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STATISTICS FOR MEXICO
GEMS/WATER - STATISTICAL SUMMARY BY STATION 2002-02-15 PAGE 366
STATION - RIO COLORADO STATION NO. 037001
COUNTRY - MEXICO DEPTH(M) 4.0
LOCATION - OCT. 1 LAT. 32/42/00 LONG. 114/43/00 ELEVATION(M)9999.9
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-03-31 TO 1983-12-06
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TEMP N KJEL NH3
COND
02041 02061 02062 07004 07554
us/cm deg C deg C mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 4 0 3
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 21 21 14 21 2
MEAN 1699. 19.3 0.1 1.0 0.22
MINIMUM 1272. 10.0 0.0 0.4 0.05
DATE OF MINIMUM 1983-07-13 1983-12-06 1982-03-31 1983-12-06 1982-05-18
10TH PERCENTILE 1295. 10.8 0.0 0.6
MEDIAN 1500. 19.5 0.1 1.0 0.05
90TH PERCENTILE 1939. 25.0 0.2 1.4
MAXIMUM 5107. 28.0 0.2 1.4 0.50
DATE OF MAXIMUM 1982-08-10 1982-08-10 1983-06-08 1982-06-29 1982-04-20
STANDARD DEVIATION 814. 5.1 0.1 0.3 0.24
O2 BOD COD ALK pH
DISS TOTAL
08101 08201 08301 10102 10302
mg/L O2 mg/L O2 mg/L O2 mg/L pH UNITS
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 21 21 21 21 21
MEAN 8.1 5. 44. 163.81 7.8
MINIMUM 5.9 1. 9. 140.00 7.4
DATE OF MINIMUM 1983-09-13 1982-08-10 1982-04-20 1982-03-31 1982-07-27
10TH PERCENTILE 6.0 1. 27. 140.00 7.6
MEDIAN 8.3 4. 37. 160.00 7.8
90TH PERCENTILE 9.5 11. 70. 180.00 8.0
MAXIMUM 11.3 19. 88. 290.00 8.1
DATE OF MAXIMUM 1983-11-08 1983-02-01 1982-06-29 1982-08-10 1982-12-14
STANDARD DEVIATION 1.5 5. 19. 32.32 0.2
SUSP SOL Mg PO4-P PO4 Cl
105 DEG DISS SOL TOTAL DISS
10401 12102 15254 15403 17203
mg/L mg/L Mg mg/L PO4 mg/L PO4 mg/L Cl
NO. OF L-FLAGGED VALUES 0 0 14 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 21 11 2 17 21
MEAN 37. 158. 0.049 0.211 195.
MINIMUM 9. 100. 0.020 0.090 113.
DATE OF MINIMUM 1983-09-13 1983-07-13 1982-03-31 1982-03-31 1983-08-16
10TH PERCENTILE 13. 102. 0.020 0.090 114.
MEDIAN 32. 160. 0.020 0.200 156.
90TH PERCENTILE 50. 189. 0.056 0.315 207.
MAXIMUM 104. 190. 0.390 0.550 918.
DATE OF MAXIMUM 1983-08-16 1983-12-06 1983-05-10 1983-05-10 1982-08-10
STANDARD DEVIATION 24. 30. 0.094 0.118 169.
Ca FAEC COL FAEC
DISS STREP
20103 36011 36101
mg/L Ca No/100ml No/100ml
NO. OF L-FLAGGED VALUES 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0
NO. OF UNFLAGGED VALUES 17 20 3
MEAN 171.059 344. 36.
MINIMUM 76.000 9.
DATE OF MINIMUM 1983-10-11 1983-09-13
10TH PERCENTILE 76.000 15.
MEDIAN 200.000 122.
90TH PERCENTILE 243.000 460.
MAXIMUM 300.000 2400.
DATE OF MAXIMUM 1982-08-10 1983-04-12
STANDARD DEVIATION 75.948 548.
STATION - RIO CONCHOS STATION NO. 037002
COUNTRY - MEXICO DEPTH(M) 1.1
LOCATION - OCT. 1 LAT. 29/34/00 LONG. 104/26/00 ELEVATION(M)1210.0
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-01-20 TO 1984-03-06
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TEMP N KJEL NH3
COND
02041 02061 02062 07004 07554
us/cm deg C deg C mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 2 0 4
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 19 21 2 8 0
MEAN 1168. 20.7 0.1 0.3 0.05
MINIMUM 820. 15.0 0.0 0.2 0.05
DATE OF MINIMUM 1983-08-17 1982-02-17 1982-04-26 1982-04-26 1982-01-20
10TH PERCENTILE 823. 15.0
MEDIAN 1150. 20.6 0.0 0.3 0.05
90TH PERCENTILE 1302. 26.0
MAXIMUM 1500. 36.0 0.5 0.4 0.05
DATE OF MAXIMUM 1983-05-13 1982-07-06 1982-01-20 1982-05-13 1982-05-13
STANDARD DEVIATION 156. 5.2 0.2 0.1 0.00
O2 BOD COD ALK pH
DISS TOTAL
08101 08201 08301 10102 10302
mg/L O2 mg/L O2 mg/L O2 mg/L pH UNITS
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 20 10 10 21 21
MEAN 7.7 3. 25. 253.81 7.7
MINIMUM 5.6 1. 5. 204.00 6.0
DATE OF MINIMUM 1983-07-28 1982-10-13 1982-11-14 1983-08-17 1984-03-06
10TH PERCENTILE 6.5 1. 5. 220.50 6.5
MEDIAN 7.8 2. 25. 256.00 8.0
90TH PERCENTILE 8.3 3. 37. 277.20 8.2
MAXIMUM 9.7 10. 52. 309.00 8.3
DATE OF MAXIMUM 1982-10-13 1982-05-13 1982-07-06 1983-06-15 1983-10-17
STANDARD DEVIATION 0.8 3. 14. 22.82 0.6
SUSP SOL SUSP SOL Mg PO4-P PO4
105 DEG 180 DEG DISS SOL TOTAL
10401 10408 12102 15254 15403
mg/L mg/L mg/L Mg mg/L PO4 mg/L PO4
NO. OF L-FLAGGED VALUES 0 0 0 1 2
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 19 13 3 8 11
MEAN 45. 12. 105. 0.098 0.148
MINIMUM 10. 2. 0.020 0.020
DATE OF MINIMUM 1984-01-09 1983-11-30 1982-04-26 1983-11-30
10TH PERCENTILE 14. 2. 0.020
MEDIAN 33. 6. 0.060 0.140
90TH PERCENTILE 57. 11. 0.242
MAXIMUM 225. 75. 0.230 0.270
DATE OF MAXIMUM 1983-08-17 1983-08-17 1982-01-20 1982-04-26
STANDARD DEVIATION 46. 19. 0.078 0.080
SULPHATE Cl Cl Ca FAEC COL
DISS DISS DISS
16302 17201 17203 20103 36011
mg/L SO4 mg/L Cl mg/L Cl mg/L Ca No/100ml
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 3 3 16 11 8
MEAN 154. 36. 39. 95.327 14500.
MINIMUM 28. 65.600 200.
DATE OF MINIMUM 1984-02-14 1984-03-06 1982-11-14
10TH PERCENTILE 31. 66.980
MEDIAN 39. 96.400 2200.
90TH PERCENTILE 46. 115.700
MAXIMUM 58. 120.000 100000.
DATE OF MAXIMUM 1984-01-09 1982-12-15 1982-05-13
STANDARD DEVIATION 7. 16.209 34609.
FAEC
STREP
36101
No/100ml
NO. OF L-FLAGGED VALUES 0
NO. OF G-FLAGGED VALUES 0
NO. OF UNFLAGGED VALUES 6
MEAN 16963.
MINIMUM 7.
DATE OF MINIMUM 1982-01-20
10TH PERCENTILE
MEDIAN 420.
90TH PERCENTILE
MAXIMUM 100000.
DATE OF MAXIMUM 1982-05-13
STANDARD DEVIATION 40682.
STATION - RIO BRAVO STATION NO. 037003
COUNTRY - MEXICO DEPTH(M) 3.0
LOCATION - OCT. 1 LAT. 25/53/00 LONG. 097/30/30 ELEVATION(M) 1.5
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-02-08 TO 1984-01-03
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP O2 BOD COD
COND DISS
02041 02061 08101 08201 08301
us/cm deg C mg/L O2 mg/L O2 mg/L O2
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 13 15 16 11 12
MEAN 823. 24.7 8.7 3. 25.
MINIMUM 8. 12.0 6.8 1. 9.
DATE OF MINIMUM 1982-02-08 1984-01-03 1982-06-10 1983-10-25 1982-06-10
10TH PERCENTILE 46. 13.0 7.0 1. 9.
MEDIAN 900. 26.0 8.5 3. 22.
90TH PERCENTILE 1184. 30.0 10.4 5. 43.
MAXIMUM 1300. 32.0 13.0 10. 48.
DATE OF MAXIMUM 1983-10-25 1983-08-22 1984-01-03 1982-02-25 1982-10-13
STANDARD DEVIATION 388. 5.7 1.6 3. 14.
ALK pH SUSP SOL SUSP SOL PO4
TOTAL 105 DEG 180 DEG TOTAL
10102 10302 10401 10408 15403
mg/L pH UNITS mg/L mg/L mg/L PO4
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 15 12 15 12 6
MEAN 151.80 8.1 131. 26. 1.847
MINIMUM 77.00 7.6 4. 2. 0.020
DATE OF MINIMUM 1983-07-28 1982-02-25 1983-05-05 1983-05-05 1982-02-25
10TH PERCENTILE 95.00 7.7 12. 2.
MEDIAN 154.00 8.0 56. 19. 0.440
90TH PERCENTILE 198.50 8.3 346. 58.
MAXIMUM 220.00 8.6 484. 74. 7.900
DATE OF MAXIMUM 1982-07-06 1983-11-15 1983-09-26 1983-10-25 1982-07-06
STANDARD DEVIATION 38.23 0.2 154. 24. 3.056
SULPHATE Cl Cl
DISS DISS
16302 17201 17203
mg/L SO4 mg/L Cl mg/L Cl
NO. OF L-FLAGGED VALUES 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0
NO. OF UNFLAGGED VALUES 4 5 10
MEAN 321. 216. 158.
MINIMUM 230. 153. 116.
DATE OF MINIMUM 1983-09-26 1983-11-15 1982-04-19
10TH PERCENTILE 116.
MEDIAN 300. 222. 160.
90TH PERCENTILE 200.
MAXIMUM 454. 252. 205.
DATE OF MAXIMUM 1983-10-25 1983-08-22 1982-05-11
STANDARD DEVIATION 98. 38. 32.
STATION - RIO PANUCO STATION NO. 037004
COUNTRY - MEXICO DEPTH(M) 10.0
LOCATION - OCT. 1 LAT. 23/03/00 LONG. 098/18/30 ELEVATION(M) 12.0
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-01-25 TO 1984-03-07
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TEMP N KJEL NO3NO2
COND
02041 02061 02062 07004 07105
us/cm deg C deg C mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 10 2 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 19 25 8 23 4
MEAN 852. 26.9 0.0 0.3 0.32
MINIMUM 404. 20.0 0.0 0.1 0.10
DATE OF MINIMUM 1983-08-04 1984-02-08 1982-03-11 1982-08-10 1984-01-10
10TH PERCENTILE 503. 21.0 0.0 0.1
MEDIAN 927. 28.0 0.0 0.2 0.32
90TH PERCENTILE 1045. 31.5 0.1 0.4
MAXIMUM 1049. 37.5 0.2 0.8 0.56
DATE OF MAXIMUM 1982-09-08 1982-05-12 1983-09-07 1983-11-07 1984-02-08
STANDARD DEVIATION 203. 4.4 0.0 0.2 0.21
NH3 O2 BOD COD ALK
DISS TOTAL
07554 08101 08201 08301 10102
mg/L N mg/L O2 mg/L O2 mg/L O2 mg/L
NO. OF L-FLAGGED VALUES 18 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 7 25 25 24 25
MEAN 0.08 8.5 2. 16. 174.08
MINIMUM 0.02 6.7 0. 3. 137.00
DATE OF MINIMUM 1982-10-06 1983-07-13 1982-07-12 1982-09-08 1982-10-06
10TH PERCENTILE 0.02 7.1 1. 3. 156.00
MEDIAN 0.05 8.4 1. 10. 172.00
90TH PERCENTILE 0.15 9.8 2. 25. 201.50
MAXIMUM 0.48 10.2 4. 61. 215.00
DATE OF MAXIMUM 1983-02-02 1983-03-02 1983-08-04 1983-08-04 1982-02-15
STANDARD DEVIATION 0.09 1.0 1. 15. 19.13
pH SUSP SOL SUSP SOL Na Mg
105 DEG 180 DEG DISS DISS
10302 10401 10408 11103 12102
pH UNITS mg/L mg/L mg/L Na mg/L Mg
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 25 22 22 9 15
MEAN 8.1 55. 21. 27. 25.
MINIMUM 7.9 5. 4. 14. 10.
DATE OF MINIMUM 1982-07-12 1984-01-10 1984-01-10 1982-10-06 1983-08-04
10TH PERCENTILE 7.9 10. 5. 11.
MEDIAN 8.1 36. 12. 27. 24.
90TH PERCENTILE 8.3 109. 48. 37.
MAXIMUM 8.4 288. 81. 36. 37.
DATE OF MAXIMUM 1984-02-08 1983-02-02 1983-02-02 1983-02-02 1983-04-06
STANDARD DEVIATION 0.1 69. 20. 8. 9.
PO4-P PO4 SULPHATE Cl Cl
SOL TOTAL DISS DISS
15254 15403 16302 17201 17203
mg/L PO4 mg/L PO4 mg/L SO4 mg/L Cl mg/L Cl
NO. OF L-FLAGGED VALUES 14 7 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 5 6 7 7 18
MEAN 0.024 0.029 225. 29. 26.
MINIMUM 0.020 0.020 110. 17. 8.
DATE OF MINIMUM 1982-02-15 1982-02-15 1983-11-07 1982-10-06 1983-08-04
10TH PERCENTILE 0.020 0.020 11.
MEDIAN 0.020 0.020 254. 31. 27.
90TH PERCENTILE 0.040 0.057 35.
MAXIMUM 0.040 0.060 314. 40. 47.
DATE OF MAXIMUM 1983-07-13 1982-06-08 1983-03-02 1983-02-02 1983-04-06
STANDARD DEVIATION 0.008 0.016 76. 9. 10.
K Ca Ca FAEC COL INST
DISS DISS DISS DISCHG
19103 20101 20103 36011 97160
mg/L K mg/L Ca mg/L Ca No/100ml m3/S
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 9 6 18 25 19
MEAN 3.3 113.833 106.900 161. 174.3
MINIMUM 2.2 71.000 15.200 8. 34.0
DATE OF MINIMUM 1984-01-10 1982-10-06 1984-02-08 1982-10-06 1983-05-11
10TH PERCENTILE 43.680 10. 49.8
MEDIAN 3.5 122.500 124.500 33. 136.0
90TH PERCENTILE 137.500 290. 363.3
MAXIMUM 4.6 129.000 142.000 1600. 595.0
DATE OF MAXIMUM 1983-02-02 1983-01-10 1982-09-08 1983-07-13 1983-08-04
STANDARD DEVIATION 1.0 22.230 36.945 340. 144.9
STATION - RIO COATZACOALCOS STATION NO. 037005
COUNTRY - MEXICO DEPTH(M) 10.0
LOCATION - OCT. 1 LAT. 18/06/30 LONG. 094/25/00 ELEVATION(M) 1.1
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-02-01 TO 1983-12-06
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TEMP N KJEL NO3NO2
COND
02041 02061 02062 07004 07105
us/cm deg C deg C mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 2 2 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 10 16 8 11 2
MEAN 10176. 26.7 0.2 0.5 0.06
MINIMUM 171. 21.0 0.0 0.1
DATE OF MINIMUM 1983-07-08 1982-02-01 1982-08-24 1983-02-08
10TH PERCENTILE 171. 21.6 0.0 0.1
MEDIAN 7327. 27.0 0.1 0.5
90TH PERCENTILE 17917. 30.0 0.4 0.9
MAXIMUM 29370. 30.0 0.5 1.1
DATE OF MAXIMUM 1983-02-08 1982-06-15 1983-03-07 1982-04-12
STANDARD DEVIATION 9815. 3.0 0.2 0.3
NH3 O2 BOD COD ALK
DISS TOTAL
07554 08101 08201 08301 10102
mg/L N mg/L O2 mg/L O2 mg/L O2 mg/L
NO. OF L-FLAGGED VALUES 7 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 8 16 9 16 16
MEAN 0.35 8.3 2. 135. 97.31
MINIMUM 0.05 6.0 0. 12. 58.00
DATE OF MINIMUM 1982-03-05 1983-11-15 1982-12-07 1983-12-06 1983-07-08
10TH PERCENTILE 0.05 6.1 13. 60.40
MEDIAN 0.05 7.9 1. 71. 77.50
90TH PERCENTILE 1.15 10.8 239. 134.00
MAXIMUM 1.73 14.2 8. 919. 288.00
DATE OF MAXIMUM 1983-01-13 1982-05-11 1982-02-01 1983-07-08 1982-06-15
STANDARD DEVIATION 0.57 2.4 3. 223. 56.82
pH SUSP SOL SUSP SOL PO4-P PO4
105 DEG 180 DEG SOL TOTAL
10302 10401 10408 15254 15403
pH UNITS mg/L mg/L mg/L PO4 mg/L PO4
NO. OF L-FLAGGED VALUES 0 0 0 1 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 16 16 14 15 16
MEAN 6.7 64. 19. 0.140 0.304
MINIMUM 6.0 3. 1. 0.020 0.030
DATE OF MINIMUM 1982-03-05 1982-04-12 1982-04-12 1982-03-05 1982-06-15
10TH PERCENTILE 6.0 4. 1. 0.020 0.042
MEDIAN 7.0 35. 16. 0.065 0.170
90TH PERCENTILE 7.0 100. 27. 0.236 0.482
MAXIMUM 7.6 420. 64. 0.840 1.810
DATE OF MAXIMUM 1982-02-01 1982-02-01 1982-08-24 1983-02-08 1983-02-08
STANDARD DEVIATION 0.5 102. 16. 0.203 0.429
SULPHATE Cl Cl FAEC COL FAEC
DISS DISS STREP
16302 17201 17203 36011 36101
mg/L SO4 mg/L Cl mg/L Cl No/100ml No/100ml
NO. OF L-FLAGGED VALUES 0 0 0 1 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 2 2 13 13 1
MEAN 63. 732. 3731. 110. 20.
MINIMUM 138. 3.
DATE OF MINIMUM 1982-08-24 1982-03-05
10TH PERCENTILE 139. 3.
MEDIAN 3962. 18.
90TH PERCENTILE 6078. 220.
MAXIMUM 11396. 900.
DATE OF MAXIMUM 1983-02-08 1982-04-12
STANDARD DEVIATION 3286. 240.
STATION - RIO BALSAS STATION NO. 037006
COUNTRY - MEXICO DEPTH(M) 0.9
LOCATION - OCT. 1 LAT. 17/56/30 LONG. 099/35/30 ELEVATION(M) 499.1
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-01-26 TO 1983-09-29
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TEMP NH3 O2
COND DISS
02041 02061 02062 07554 08101
us/cm deg C deg C mg/L N mg/L O2
NO. OF L-FLAGGED VALUES 0 0 0 2 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 1 5 5 11 15
MEAN 1160. 29.1 0.2 0.59 7.3
MINIMUM 28.0 0.1 0.05 2.8
DATE OF MINIMUM 1983-03-21 1982-09-22 1982-02-23 1983-08-11
10TH PERCENTILE 0.05 3.9
MEDIAN 29.0 0.2 0.30 8.0
90TH PERCENTILE 1.00 9.5
MAXIMUM 30.0 0.2 2.70 9.9
DATE OF MAXIMUM 1983-08-11 1982-08-24 1982-01-26 1983-05-02
STANDARD DEVIATION 0.9 0.1 0.74 2.1
BOD COD ALK pH SUSP SOL
TOTAL 105 DEG
08201 08301 10102 10302 10401
mg/L O2 mg/L O2 mg/L pH UNITS mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 11 12 15 15 12
MEAN 1. 214. 150.27 8.0 3221.
MINIMUM 0. 6. 99.00 6.7 10.
DATE OF MINIMUM 1982-01-26 1982-03-30 1983-07-11 1983-02-28 1983-05-02
10TH PERCENTILE 0. 7. 99.50 7.2 11.
MEDIAN 1. 42. 160.00 8.1 1174.
90TH PERCENTILE 3. 600. 184.50 8.3 8966.
MAXIMUM 3. 792. 189.00 8.4 11850.
DATE OF MAXIMUM 1982-09-22 1982-05-25 1982-01-26 1982-03-30 1983-08-11
STANDARD DEVIATION 1. 285. 32.20 0.4 4174.
SUSP SOL PO4-P PO4 SULPHATE Cl
180 DEG SOL TOTAL DISS
10408 15254 15403 16302 17203
mg/L mg/L PO4 mg/L PO4 mg/L SO4 mg/L Cl
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 11 12 12 1 15
MEAN 359. 0.070 0.697 40. 79.
MINIMUM 4. 0.050 0.130 18.
DATE OF MINIMUM 1983-05-02 1983-05-02 1983-05-02 1983-09-29
10TH PERCENTILE 4. 0.052 0.132 18.
MEDIAN 100. 0.070 0.655 23.
90TH PERCENTILE 993. 0.080 1.294 29.
MAXIMUM 1280. 0.100 1.400 859.
DATE OF MAXIMUM 1982-05-25 1983-08-11 1983-07-11 1983-08-11
STANDARD DEVIATION 452. 0.013 0.543 216.
FAEC COL FAEC
STREP
36011 36101
No/100ml No/100ml
NO. OF L-FLAGGED VALUES 0 0
NO. OF G-FLAGGED VALUES 0 0
NO. OF UNFLAGGED VALUES 15 11
MEAN 4.0E+04 1.6E+04
MINIMUM 9.0E+01 2.3E+02
DATE OF MINIMUM 1982-01-26 1982-02-23
10TH PERCENTILE 2.0E+02 2.5E+02
MEDIAN 4.6E+03 1.5E+03
90TH PERCENTILE 1.4E+05 2.4E+04
MAXIMUM 2.4E+05 1.1E+05
DATE OF MAXIMUM 1983-07-11 1982-09-22
STANDARD DEVIATION 8.2E+04 3.3E+04
STATION - RIO ATOYAC STATION NO. 037007
COUNTRY - MEXICO DEPTH(M) 12.0
LOCATION - OCT. 1 LAT. 18/55/30 LONG. 098/16/30 ELEVATION(M)2100.0
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-01-07 TO 1983-12-09
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
TEMP N KJEL NO3NO2 NH3 O2
DISS
02061 07004 07105 07554 08101
deg C mg/L N mg/L N mg/L N mg/L O2
NO. OF L-FLAGGED VALUES 0 0 0 0 1
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 20 20 4 23 18
MEAN 19.0 4.9 0.54 5.13 4.0
MINIMUM 10.0 0.7 0.09 0.20 0.1
DATE OF MINIMUM 1983-01-19 1982-06-29 1983-12-09 1982-06-29 1982-04-01
10TH PERCENTILE 13.0 0.8 1.53 0.7
MEDIAN 19.0 3.5 0.52 4.30 4.6
90TH PERCENTILE 23.0 8.6 10.72 6.1
MAXIMUM 26.0 13.5 1.03 12.50 6.9
DATE OF MAXIMUM 1983-05-06 1983-04-06 1983-09-26 1983-04-06 1983-07-14
STANDARD DEVIATION 4.0 3.8 0.41 3.60 2.2
BOD COD pH SUSP SOL SUSP SOL
105 DEG 180 DEG
08201 08301 10302 10401 10408
mg/L O2 mg/L O2 pH UNITS mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 21 23 22 20 16
MEAN 55. 183. 7.7 1175. 170.
MINIMUM 1. 35. 7.3 40. 8.
DATE OF MINIMUM 1983-06-02 1983-09-26 1983-07-14 1983-06-02 1983-02-17
10TH PERCENTILE 8. 42. 7.4 92. 13.
MEDIAN 40. 122. 7.7 298. 70.
90TH PERCENTILE 82. 252. 7.8 2572. 290.
MAXIMUM 340. 916. 7.9 10740. 1080.
DATE OF MAXIMUM 1983-04-06 1983-07-14 1983-09-26 1983-07-14 1983-07-14
STANDARD DEVIATION 72. 207. 0.2 2500. 262.
PO4-P PO4 FAEC COL INST
SOL TOTAL DISCHG
15254 15403 36011 97160
mg/L PO4 mg/L PO4 No/100ml m3/S
NO. OF L-FLAGGED VALUES 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 6 0
NO. OF UNFLAGGED VALUES 23 20 12 9
MEAN 3.236 6.542 1.9E+05 2442.3
MINIMUM 1.200 2.060 6.8E+02 2.4
DATE OF MINIMUM 1982-02-04 1982-09-14 1983-03-09 1983-05-06
10TH PERCENTILE 1.206 3.000 3.8E+03
MEDIAN 3.010 6.290 1.0E+05 57.1
90TH PERCENTILE 4.976 9.200 4.9E+05
MAXIMUM 7.340 11.700 9.0E+05 6678.0
DATE OF MAXIMUM 1983-03-09 1983-03-09 1983-01-19 1982-03-04
STANDARD DEVIATION 1.697 2.573 2.6E+05 2955.7
STATION - RIO BLANCO STATION NO. 037008
COUNTRY - MEXICO DEPTH(M) 1.1
LOCATION - OCT. 1 LAT. 18/44/30 LONG. 096/26/00 ELEVATION(M) 91.0
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-01-28 TO 1983-12-06
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TEMP N KJEL NO3NO2
COND
02041 02061 02062 07004 07105
us/cm deg C deg C mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 9 16 7 13 3
MEAN 520. 22.4 0.5 2.3 1.10
MINIMUM 415. 19.0 0.1 0.9
DATE OF MINIMUM 1983-02-19 1983-12-06 1982-02-15 1983-10-26
10TH PERCENTILE 19.6 1.1
MEDIAN 528. 22.0 0.3 2.0
90TH PERCENTILE 26.4 3.3
MAXIMUM 595. 27.0 1.9 3.4
DATE OF MAXIMUM 1982-10-29 1982-06-10 1982-03-17 1983-04-29
STANDARD DEVIATION 60. 2.7 0.6 0.8
NH3 O2 BOD COD ALK
DISS TOTAL
07554 08101 08201 08301 10102
mg/L N mg/L O2 mg/L O2 mg/L O2 mg/L
NO. OF L-FLAGGED VALUES 1 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 12 15 15 16 14
MEAN 3.04 4.4 13. 46. 203.29
MINIMUM 0.05 1.5 2. 4. 48.00
DATE OF MINIMUM 1982-02-15 1982-03-17 1983-09-26 1983-12-06 1982-02-15
10TH PERCENTILE 0.05 1.8 2. 5. 96.00
MEDIAN 0.05 4.7 14. 45. 197.50
90TH PERCENTILE 1.01 6.1 18. 77. 247.00
MAXIMUM 36.00 6.5 40. 106. 348.00
DATE OF MAXIMUM 1983-12-06 1983-09-26 1983-04-29 1982-02-15 1983-12-06
STANDARD DEVIATION 9.91 1.6 9. 27. 64.45
pH SUSP SOL SUSP SOL Mg PO4-P
105 DEG 180 DEG DISS SOL
10302 10401 10408 12102 15254
pH UNITS mg/L mg/L mg/L Mg mg/L PO4
NO. OF L-FLAGGED VALUES 0 0 0 0 3
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 16 17 13 2 14
MEAN 7.7 156. 101. 18. 0.188
MINIMUM 6.0 4. 2. 0.020
DATE OF MINIMUM 1983-10-26 1983-09-26 1983-09-26 1983-04-29
10TH PERCENTILE 6.0 19. 3. 0.020
MEDIAN 8.0 110. 30. 0.140
90TH PERCENTILE 8.4 214. 72. 0.387
MAXIMUM 8.5 995. 935. 0.500
DATE OF MAXIMUM 1983-11-14 1983-02-19 1983-02-19 1982-07-14
STANDARD DEVIATION 0.8 227. 252. 0.160
PO4 SULPHATE Cl Cl Ca
TOTAL DISS DISS DISS
15403 16302 17201 17203 20103
mg/L PO4 mg/L SO4 mg/L Cl mg/L Cl mg/L Ca
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 17 5 5 11 7
MEAN 0.452 32. 16. 18. 125.143
MINIMUM 0.070 18. 10. 11. 50.000
DATE OF MINIMUM 1983-09-26 1983-09-26 1983-11-14 1982-01-28 1982-09-24
10TH PERCENTILE 0.077 11.
MEDIAN 0.510 30. 18. 20. 133.000
90TH PERCENTILE 0.780 23.
MAXIMUM 0.840 48. 24. 23. 206.000
DATE OF MAXIMUM 1982-09-24 1983-12-06 1983-04-29 1982-06-10 1982-06-10
STANDARD DEVIATION 0.284 12. 6. 5. 50.473
FAEC COL
36011
No/100ml
NO. OF L-FLAGGED VALUES 0
NO. OF G-FLAGGED VALUES 2
NO. OF UNFLAGGED VALUES 12
MEAN 4.0E+04
MINIMUM 4.0E+01
DATE OF MINIMUM 1982-01-28
10TH PERCENTILE 6.2E+02
MEDIAN 4.0E+04
90TH PERCENTILE 1.0E+05
MAXIMUM 1.1E+05
DATE OF MAXIMUM 1982-03-17
STANDARD DEVIATION 3.8E+04
STATION - LAGO DE CHAPALA STATION NO. 037009
COUNTRY - MEXICO DEPTH(M) 6.0
LOCATION - OCT. 1 LAT. 20/16/20 LONG. 103/02/17 ELEVATION(M)1525.0
REGIONAL CENTRE - AMRA WATER TYPE LAKE
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-01-25 TO 1984-03-12
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TEMP N KJEL NO3NO2
COND
02041 02061 02062 07004 07105
us/cm deg C deg C mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 8 17 2 25 7
MEAN 663. 20.3 0.1 0.8 0.28
MINIMUM 530. 16.0 0.2 0.10
DATE OF MINIMUM 1983-08-24 1982-11-11 1982-06-16 1984-03-12
10TH PERCENTILE 16.7 0.5
MEDIAN 665. 20.0 0.8 0.27
90TH PERCENTILE 23.1 0.9
MAXIMUM 790. 23.7 2.1 0.45
DATE OF MAXIMUM 1983-06-26 1983-09-26 1984-02-21 1983-10-17
STANDARD DEVIATION 82. 2.6 0.3 0.12
NH3 O2 BOD COD ALK
DISS TOTAL
07554 08101 08201 08301 10102
mg/L N mg/L O2 mg/L O2 mg/L O2 mg/L
NO. OF L-FLAGGED VALUES 9 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 15 22 24 11 24
MEAN 0.09 6.8 1. 19. 264.79
MINIMUM 0.05 5.3 1. 13. 121.00
DATE OF MINIMUM 1982-02-17 1983-05-24 1984-03-12 1984-01-26 1983-04-23
10TH PERCENTILE 0.05 6.3 1. 13. 208.20
MEDIAN 0.08 6.9 1. 17. 259.00
90TH PERCENTILE 0.16 7.4 2. 26. 302.50
MAXIMUM 0.26 8.0 4. 37. 496.00
DATE OF MAXIMUM 1982-04-14 1982-03-17 1982-02-17 1983-01-26 1983-03-01
STANDARD DEVIATION 0.05 0.5 1. 7. 63.22
pH SUSP SOL SUSP SOL PO4-P PO4
105 DEG 180 DEG SOL TOTAL
10302 10401 10408 15254 15403
pH UNITS mg/L mg/L mg/L PO4 mg/L PO4
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 23 25 25 25 24
MEAN 8.8 149. 34. 0.465 0.678
MINIMUM 8.4 4. 1. 0.230 0.310
DATE OF MINIMUM 1982-03-17 1982-11-11 1984-01-26 1983-12-20 1983-12-20
10TH PERCENTILE 8.4 4. 2. 0.290 0.358
MEDIAN 8.9 13. 6. 0.410 0.560
90TH PERCENTILE 9.1 563. 127. 0.715 1.050
MAXIMUM 9.4 647. 173. 0.930 1.200
DATE OF MAXIMUM 1984-02-21 1983-01-26 1983-01-26 1983-06-26 1982-06-16
STANDARD DEVIATION 0.2 240. 56. 0.170 0.282
SULPHATE Cl Cl FAEC COL FAEC
DISS DISS STREP
16302 17201 17203 36011 36101
mg/L SO4 mg/L Cl mg/L Cl No/100ml No/100ml
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 3 3 12 24 1
MEAN 73. 29. 31. 157. 3.
MINIMUM 12. 3.
DATE OF MINIMUM 1983-04-23 1982-09-10
10TH PERCENTILE 15. 3.
MEDIAN 30. 4.
90TH PERCENTILE 39. 68.
MAXIMUM 41. 2400.
DATE OF MAXIMUM 1983-05-24 1982-06-16
STANDARD DEVIATION 8. 527.
STATION - PRESA DE LA AMISTAD STATION NO. 037010
COUNTRY - MEXICO DEPTH(M) 32.0
LOCATION - OCT. 1 LAT. 29/25/25 LONG. 101/02/20 ELEVATION(M) 316.0
REGIONAL CENTRE - AMRA WATER TYPE LAKE
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-04-12 TO 1983-11-16
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP N KJEL NO3NO2 NH3
COND
02041 02061 07004 07105 07554
us/cm deg C mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 7 4 3 1 3
MEAN 932. 20.8 0.1 0.27 0.05
MINIMUM 820. 18.0
DATE OF MINIMUM 1982-06-09 1982-04-12
10TH PERCENTILE
MEDIAN 940. 19.5
90TH PERCENTILE
MAXIMUM 1077. 26.0
DATE OF MAXIMUM 1983-05-17 1982-06-09
STANDARD DEVIATION 78. 3.6
O2 BOD COD ALK pH
DISS TOTAL
08101 08201 08301 10102 10302
mg/L O2 mg/L O2 mg/L O2 mg/L pH UNITS
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 3 4 7 7 7
MEAN 8.0 2. 35. 134.29 8.4
MINIMUM 1. 4. 125.00 7.6
DATE OF MINIMUM 1982-04-12 1983-03-09 1983-11-16 1983-05-17
10TH PERCENTILE
MEDIAN 1. 25. 135.00 8.2
90TH PERCENTILE
MAXIMUM 3. 109. 143.00 10.6
DATE OF MAXIMUM 1983-11-16 1983-11-16 1982-05-06 1983-04-06
STANDARD DEVIATION 1. 37. 6.58 1.0
SUSP SOL SUSP SOL PO4-P PO4 SULPHATE
105 DEG 180 DEG SOL TOTAL
10401 10408 15254 15403 16302
mg/L mg/L mg/L PO4 mg/L PO4 mg/L SO4
NO. OF L-FLAGGED VALUES 0 0 2 2 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 7 7 0 0 2
MEAN 72. 39. 0.020 0.020 261.
MINIMUM 5. 2.
DATE OF MINIMUM 1983-03-09 1983-03-09
10TH PERCENTILE
MEDIAN 23. 17.
90TH PERCENTILE
MAXIMUM 246. 121.
DATE OF MAXIMUM 1982-04-12 1982-04-12
STANDARD DEVIATION 89. 50.
Cl Cl FAEC COL
DISS DISS
17201 17203 36011
mg/L Cl mg/L Cl No/100ml
NO. OF L-FLAGGED VALUES 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0
NO. OF UNFLAGGED VALUES 2 5 1
MEAN 126. 114. 3.
MINIMUM 106.
DATE OF MINIMUM 1982-05-06
10TH PERCENTILE
MEDIAN 112.
90TH PERCENTILE
MAXIMUM 120.
DATE OF MAXIMUM 1983-04-06
STANDARD DEVIATION 6.
STATION - POZO HACIENDA TAHDZIBICHEN STATION NO. 037011
COUNTRY - MEXICO DEPTH(M) 9999.9
LOCATION - OCT. 0 LAT. 20/27/50 LONG. 089/37/30 ELEVATION(M) 1.5
REGIONAL CENTRE - AMRA WATER TYPE GROUNDWATER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-01-11 TO 1983-10-10
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TEMP NO3NO2 O2
COND DISS
02041 02061 02062 07105 08101
us/cm deg C deg C mg/L N mg/L O2
NO. OF L-FLAGGED VALUES 0 0 3 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 19 19 1 6 18
MEAN 1248. 27.5 0.0 19.02 3.5
MINIMUM 450. 26.0 0.0 3.92 0.6
DATE OF MINIMUM 1983-02-07 1982-01-11 1983-01-10 1983-05-03 1982-10-04
10TH PERCENTILE 477. 26.0 1.6
MEDIAN 625. 27.0 0.0 8.41 3.8
90TH PERCENTILE 1000. 29.0 4.9
MAXIMUM 11000. 29.0 0.1 47.80 5.7
DATE OF MAXIMUM 1983-06-06 1983-04-05 1983-03-08 1983-08-22 1983-10-10
STANDARD DEVIATION 2368. 1.0 0.0 19.54 1.3
BOD COD ALK pH SUSP SOL
TOTAL 105 DEG
08201 08301 10102 10302 10401
mg/L O2 mg/L O2 mg/L pH UNITS mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 19 19 19 19 18
MEAN 3. 20. 248.11 7.6 5.
MINIMUM 1. 7. 132.00 7.2 2.
DATE OF MINIMUM 1983-01-10 1983-01-10 1983-02-07 1983-10-10 1982-01-11
10TH PERCENTILE 1. 8. 183.30 7.3 2.
MEDIAN 3. 18. 244.00 7.6 3.
90TH PERCENTILE 5. 31. 317.90 8.0 7.
MAXIMUM 8. 35. 367.00 8.0 14.
DATE OF MAXIMUM 1983-05-03 1982-03-29 1983-05-03 1983-04-05 1982-09-06
STANDARD DEVIATION 2. 9. 56.81 0.2 3.
SUSP SOL PO4 SULPHATE Cl Cl
180 DEG TOTAL DISS DISS
10408 15403 16302 17201 17203
mg/L mg/L PO4 mg/L SO4 mg/L Cl mg/L Cl
NO. OF L-FLAGGED VALUES 0 12 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 10 5 6 6 13
MEAN 3. 0.052 27. 85. 105.
MINIMUM 2. 0.020 22. 37. 39.
DATE OF MINIMUM 1982-10-04 1982-01-11 1983-07-05 1983-09-20 1982-12-06
10TH PERCENTILE 2. 0.020 43.
MEDIAN 3. 0.020 26. 64. 95.
90TH PERCENTILE 4. 0.146 166.
MAXIMUM 8. 0.180 30. 166. 193.
DATE OF MAXIMUM 1982-09-06 1982-05-31 1983-05-03 1983-05-03 1982-03-29
STANDARD DEVIATION 2. 0.056 3. 55. 50.
FAEC COL FAEC
STREP
36011 36101
No/100ml No/100ml
NO. OF L-FLAGGED VALUES 2 0
NO. OF G-FLAGGED VALUES 2 0
NO. OF UNFLAGGED VALUES 15 3
MEAN 11303. 1250.
MINIMUM 30.
DATE OF MINIMUM 1982-05-31
10TH PERCENTILE 30.
MEDIAN 430.
90TH PERCENTILE 14140.
MAXIMUM 100000.
DATE OF MAXIMUM 1983-08-22
STANDARD DEVIATION 31277.
STATION - POZO EN AGUASCALIENTES STATION NO. 037012
COUNTRY - MEXICO DEPTH(M) 120.0
LOCATION - OCT. 1 LAT. 21/53/00 LONG. 103/18/00 ELEVATION(M)1850.0
REGIONAL CENTRE - AMRA WATER TYPE GROUNDWATER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-01-19 TO 1984-02-06
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP N KJEL NO3NO2 NH3
COND
02041 02061 07004 07105 07554
us/cm deg C mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 4 0 13
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 9 21 17 3 8
MEAN 864. 29.5 0.4 1.76 0.06
MINIMUM 493. 20.0 0.1 0.05
DATE OF MINIMUM 1982-03-24 1984-01-16 1982-01-19 1982-03-24
10TH PERCENTILE 25.1 0.0 0.05
MEDIAN 874. 30.0 0.1 0.05
90TH PERCENTILE 31.9 0.9 0.06
MAXIMUM 1130. 32.0 2.7 0.33
DATE OF MAXIMUM 1982-09-14 1983-03-03 1982-02-08 1982-01-19
STANDARD DEVIATION 216. 2.9 0.7 0.06
BOD COD ALK pH SUSP SOL
TOTAL 105 DEG
08201 08301 10102 10302 10401
mg/L O2 mg/L O2 mg/L pH UNITS mg/L
NO. OF L-FLAGGED VALUES 5 2 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 7 12 21 21 18
MEAN 0. 1. 307.38 7.4 4.
MINIMUM 0. 1. 237.00 6.0 1.
DATE OF MINIMUM 1982-07-14 1982-03-24 1983-02-14 1982-09-14 1982-04-15
10TH PERCENTILE 0. 1. 248.70 7.0 1.
MEDIAN 0. 1. 301.00 7.4 4.
90TH PERCENTILE 0. 2. 355.20 7.9 7.
MAXIMUM 1. 3. 524.00 8.1 11.
DATE OF MAXIMUM 1984-01-16 1983-09-05 1983-03-03 1984-01-16 1982-10-06
STANDARD DEVIATION 0. 1. 60.04 0.5 3.
Na PO4-P PO4 SULPHATE Cl
DISS SOL TOTAL DISS
11103 15254 15403 16302 17201
mg/L Na mg/L PO4 mg/L PO4 mg/L SO4 mg/L Cl
NO. OF L-FLAGGED VALUES 0 10 14 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 3 0 7 1 1
MEAN 80. 0.020 0.030 24. 14.
MINIMUM 0.020 0.020
DATE OF MINIMUM 1982-01-19 1982-01-19
10TH PERCENTILE 0.020 0.020
MEDIAN 0.020 0.020
90TH PERCENTILE 0.020 0.020
MAXIMUM 0.020 0.220
DATE OF MAXIMUM 1982-12-07 1983-07-11
STANDARD DEVIATION 0.000 0.044
Cl K FAEC COL FAEC
DISS DISS STREP
17203 19103 36011 36101
mg/L Cl mg/L K No/100ml No/100ml
NO. OF L-FLAGGED VALUES 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0
NO. OF UNFLAGGED VALUES 18 3 7 4
MEAN 22. 13.3 4. 10.
MINIMUM 17. 2. 3.
DATE OF MINIMUM 1982-12-07 1983-09-05 1983-01-18
10TH PERCENTILE 19.
MEDIAN 22. 3. 6.
90TH PERCENTILE 26.
MAXIMUM 30. 9. 23.
DATE OF MAXIMUM 1983-06-13 1983-01-18 1983-04-04
STANDARD DEVIATION 3. 3. 9.
STATION - POZO EN LA REGION LAGUNERA STATION NO. 037013
COUNTRY - MEXICO DEPTH(M) 200.0
LOCATION - OCT. 1 LAT. 25/26/00 LONG. 103/00/00 ELEVATION(M)1100.0
REGIONAL CENTRE - AMRA WATER TYPE GROUNDWATER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-01-27 TO 1984-03-22
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP N KJEL NH3 ALK
COND TOTAL
02041 02061 07004 07554 10102
us/cm deg C mg/L N mg/L N mg/L
NO. OF L-FLAGGED VALUES 0 0 0 1 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 19 21 1 0 22
MEAN 1595. 25.8 0.1 0.05 214.50
MINIMUM 1270. 22.0 180.00
DATE OF MINIMUM 1984-03-22 1982-01-27 1983-03-11
10TH PERCENTILE 1309. 22.0 184.80
MEDIAN 1565. 27.0 217.00
90TH PERCENTILE 1812. 28.0 224.00
MAXIMUM 2400. 29.0 282.00
DATE OF MAXIMUM 1982-07-14 1982-09-03 1982-06-24
STANDARD DEVIATION 258. 2.4 20.82
pH SUSP SOL Mg PO4-P PO4
105 DEG DISS SOL TOTAL
10302 10401 12102 15254 15403
pH UNITS mg/L mg/L Mg mg/L PO4 mg/L PO4
NO. OF L-FLAGGED VALUES 0 0 0 1 1
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 22 1 6 0 0
MEAN 7.7 6. 44. 0.020 0.020
MINIMUM 7.3 34.
DATE OF MINIMUM 1982-04-28 1983-03-11
10TH PERCENTILE 7.3
MEDIAN 7.7 43.
90TH PERCENTILE 8.1
MAXIMUM 8.3 57.
DATE OF MAXIMUM 1983-03-11 1984-02-23
STANDARD DEVIATION 0.3 9.
SULPHATE Cl Cl Ca FAEC COL
DISS DISS DISS
16302 17201 17203 20103 36011
mg/L SO4 mg/L Cl mg/L Cl mg/L Ca No/100ml
NO. OF L-FLAGGED VALUES 0 0 0 0 1
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 7 7 15 8 0
MEAN 376. 82. 86. 103.950 2.
MINIMUM 206. 70. 20. 34.400
DATE OF MINIMUM 1983-06-27 1983-12-14 1982-06-24 1984-02-23
10TH PERCENTILE 47.
MEDIAN 392. 84. 88. 123.500
90TH PERCENTILE 93.
MAXIMUM 461. 92. 149. 158.000
DATE OF MAXIMUM 1983-12-14 1983-07-28 1982-07-14 1983-03-11
STANDARD DEVIATION 86. 9. 25. 53.252
STATION - RIO LERMA STATION NO. 037014
COUNTRY - MEXICO DEPTH(M) 9999.9
LOCATION - OCT. 1 LAT. 20/34/00 LONG. 101/12/00 ELEVATION(M)9999.9
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-01-11 TO 1984-03-05
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TEMP N KJEL NO3NO2
COND
02041 02061 02062 07004 07105
us/cm deg C deg C mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 4 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 18 18 9 18 6
MEAN 1736. 27.1 0.3 12.0 3.37
MINIMUM 260. 18.0 0.0 0.4 0.10
DATE OF MINIMUM 1983-07-20 1984-02-06 1983-05-09 1982-05-10 1983-10-03
10TH PERCENTILE 400. 21.2 0.0 1.8
MEDIAN 1775. 27.5 0.2 5.5 3.51
90TH PERCENTILE 2736. 33.0 0.4 18.9
MAXIMUM 3875. 34.0 1.4 94.0 5.14
DATE OF MAXIMUM 1982-02-08 1982-04-14 1983-02-09 1982-02-08 1983-12-06
STANDARD DEVIATION 1083. 4.7 0.4 21.1 1.74
NH3 O2 BOD COD ALK
DISS TOTAL
07554 08101 08201 08301 10102
mg/L N mg/L O2 mg/L O2 mg/L O2 mg/L
NO. OF L-FLAGGED VALUES 0 8 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 18 9 17 18 18
MEAN 78.38 0.6 68. 279. 348.44
MINIMUM 1.38 0.1 8. 55. 115.00
DATE OF MINIMUM 1983-04-05 1982-01-11 1983-05-09 1983-05-09 1983-07-20
10TH PERCENTILE 1.94 0.1 8. 64. 131.80
MEDIAN 71.55 0.1 62. 240. 353.50
90TH PERCENTILE 143.90 2.4 140. 608. 542.00
MAXIMUM 252.00 3.0 203. 646. 620.00
DATE OF MAXIMUM 1982-02-08 1984-02-06 1983-12-06 1983-03-07 1982-02-08
STANDARD DEVIATION 71.95 1.0 57. 202. 167.50
pH SUSP SOL Na Mg PO4-P
105 DEG DISS DISS SOL
10302 10401 11103 12102 15254
pH UNITS mg/L mg/L Na mg/L Mg mg/L PO4
NO. OF L-FLAGGED VALUES 0 0 0 0 1
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 18 18 2 3 17
MEAN 8.2 214. 3. 1. 0.793
MINIMUM 7.1 5. 0.020
DATE OF MINIMUM 1983-10-03 1983-10-03 1983-03-07
10TH PERCENTILE 7.2 13. 0.084
MEDIAN 8.2 105. 0.515
90TH PERCENTILE 8.9 258. 1.444
MAXIMUM 9.3 1580. 3.220
DATE OF MAXIMUM 1982-01-11 1983-07-20 1982-04-14
STANDARD DEVIATION 0.6 361. 0.795
PO4 SULPHATE Cl Cl Ca
TOTAL DISS DISS DISS
15403 16302 17201 17203 20103
mg/L PO4 mg/L SO4 mg/L Cl mg/L Cl mg/L Ca
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 18 3 3 14 3
MEAN 23.811 672. 126. 79. 0.793
MINIMUM 0.120 6.
DATE OF MINIMUM 1982-05-10 1983-07-20
10TH PERCENTILE 0.608 12.
MEDIAN 2.010 62.
90TH PERCENTILE 5.773 173.
MAXIMUM 388.000 215.
DATE OF MAXIMUM 1982-01-11 1982-03-08
STANDARD DEVIATION 90.911 69.
FAEC COL INST
DISCHG
36011 97160
No/100ml m3/S
NO. OF L-FLAGGED VALUES 0 0
NO. OF G-FLAGGED VALUES 9 0
NO. OF UNFLAGGED VALUES 9 2
MEAN 3.0E+05 5355.8
MINIMUM 9.0E+04
DATE OF MINIMUM 1984-02-06
10TH PERCENTILE 9.2E+04
MEDIAN 1.0E+05
90TH PERCENTILE 9.3E+05
MAXIMUM 1.0E+06
DATE OF MAXIMUM 1982-04-14
STANDARD DEVIATION 3.4E+05
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