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STATISTICS FOR KENYA
GEMS/WATER - STATISTICAL SUMMARY BY STATION 2002-02-15 PAGE 332
STATION - LAKE NAIVASHA STATION NO. 112001
COUNTRY - KENYA DEPTH(M) 9999.9
LOCATION - OCT. 8 LAT. 15/00/00 LONG. 036/00/00 ELEVATION(M) 11.0
REGIONAL CENTRE - AFRA WATER TYPE LAKE
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-04-26 TO 1984-02-10
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO2-N NO3-N NH3
COND
02041 02062 07207 07306 07555
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 11 11 1 1 1
MEAN 273. 20.2 0.00 1.30 0.01
MINIMUM 140. 19.0
DATE OF MINIMUM 1984-02-10 1982-05-06
10TH PERCENTILE 141. 19.0
MEDIAN 250. 20.0
90TH PERCENTILE 353. 21.0
MAXIMUM 700. 22.0
DATE OF MAXIMUM 1982-04-26 1983-07-30
STANDARD DEVIATION 157. 1.0
F ALK pH Mg P ORTHO
DISS TOTAL DISS TOTAL
09105 10101 10302 12103 15205
mg/L F mg/L pH UNITS mg/L Mg mg/L P
NO. OF L-FLAGGED VALUES 0 0 0 0 1
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 9 11 11 10 2
MEAN 1.1 112.45 7.9 7. 0.323
MINIMUM 0.4 42.00 7.1 4.
DATE OF MINIMUM 1984-02-10 1984-02-10 1982-04-26 1982-05-13
10TH PERCENTILE 43.60 7.1 4.
MEDIAN 1.3 123.00 7.9 7.
90TH PERCENTILE 162.40 8.2 9.
MAXIMUM 1.6 186.00 8.3 10.
DATE OF MAXIMUM 1983-11-17 1983-01-10 1983-11-17 1983-01-22
STANDARD DEVIATION 0.4 47.00 0.4 2.
SULPHATE Cl Ca Mn Fe
DISS DISS TOTAL TOTAL
16302 17201 20101 25004 26004
mg/L SO4 mg/L Cl mg/L Ca mg/L Mn mg/L Fe
NO. OF L-FLAGGED VALUES 0 0 0 0 1
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 8 11 10 7 6
MEAN 1. 21. 17.360 0.17 1.54
MINIMUM 0. 3. 5.600 0.02 0.10
DATE OF MINIMUM 1983-01-22 1982-05-24 1984-02-10 1984-02-10 1982-05-24
10TH PERCENTILE 3. 5.600
MEDIAN 1. 11. 20.500 0.10 0.80
90TH PERCENTILE 24. 28.000
MAXIMUM 6. 113. 28.000 0.40 4.80
DATE OF MAXIMUM 1984-02-10 1982-05-06 1983-01-22 1982-04-26 1983-01-22
STANDARD DEVIATION 2. 31. 9.222 0.13 1.58
Cu INST
TOTAL DISCHG
29006 97160
mg/L Cu m3/S
NO. OF L-FLAGGED VALUES 0 0
NO. OF G-FLAGGED VALUES 0 0
NO. OF UNFLAGGED VALUES 1 11
MEAN 0.180 39.2
MINIMUM 11.9
DATE OF MINIMUM 1984-02-10
10TH PERCENTILE 11.9
MEDIAN 52.8
90TH PERCENTILE 57.1
MAXIMUM 57.7
DATE OF MAXIMUM 1983-01-10
STANDARD DEVIATION 21.6
STATION - SABAKI RIVER STATION NO. 112003
COUNTRY - KENYA DEPTH(M) 9999.9
LOCATION - OCT. 8 LAT. 03/07/00 LONG. 039/49/20 ELEVATION(M)9999.9
REGIONAL CENTRE - AFRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-12-22 TO 1984-09-14
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO2-N NO3-N O2
COND DISS
02041 02062 07207 07306 08102
us/cm deg C mg/L N mg/L N 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 11 11 1 3 1
MEAN 594. 22.9 1.82 0.07 0.7
MINIMUM 300. 21.5
DATE OF MINIMUM 1983-05-30 1983-11-04
10TH PERCENTILE 301. 21.6
MEDIAN 580. 23.0
90TH PERCENTILE 816. 23.5
MAXIMUM 840. 24.0
DATE OF MAXIMUM 1984-03-28 1982-12-22
STANDARD DEVIATION 192. 0.7
F ALK pH Na Mg
DISS TOTAL DISS DISS
09105 10101 10302 11105 12103
mg/L F mg/L pH UNITS 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 10 11 11 2 11
MEAN 2.4 143.64 8.1 98. 21.
MINIMUM 0.6 10.00 7.2 11.
DATE OF MINIMUM 1982-12-22 1984-05-29 1982-12-22 1983-08-18
10TH PERCENTILE 0.6 11.10 7.3 11.
MEDIAN 0.9 144.00 8.1 21.
90TH PERCENTILE 1.1 239.60 8.7 26.
MAXIMUM 16.0 269.00 8.7 50.
DATE OF MAXIMUM 1984-09-14 1983-06-20 1984-03-28 1984-09-14
STANDARD DEVIATION 4.8 91.84 0.4 11.
P ORTHO SULPHATE Cl K Ca
TOTAL DISS DISS DISS
15205 16302 17201 19103 20101
mg/L P mg/L SO4 mg/L Cl mg/L K 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 9 9 11 2 11
MEAN 0.229 35. 62. 27.5 24.791
MINIMUM 0.020 5. 25. 5.700
DATE OF MINIMUM 1984-03-27 1983-05-11 1983-06-20 1982-12-22
10TH PERCENTILE 26. 6.430
MEDIAN 0.090 33. 66. 26.000
90TH PERCENTILE 85. 31.900
MAXIMUM 0.920 64. 104. 43.000
DATE OF MAXIMUM 1984-09-14 1984-01-18 1982-12-22 1984-05-29
STANDARD DEVIATION 0.315 18. 25. 9.965
Mn Fe
TOTAL TOTAL
25004 26004
mg/L Mn mg/L Fe
NO. OF L-FLAGGED VALUES 0 0
NO. OF G-FLAGGED VALUES 0 0
NO. OF UNFLAGGED VALUES 4 4
MEAN 0.48 16.01
MINIMUM 0.01 0.02
DATE OF MINIMUM 1984-03-27 1984-03-27
10TH PERCENTILE
MEDIAN 0.05 12.02
90TH PERCENTILE
MAXIMUM 1.80 40.00
DATE OF MAXIMUM 1982-12-22 1982-12-22
STANDARD DEVIATION 0.88 19.58
STATION - TANA RIVER STATION NO. 112004
COUNTRY - KENYA DEPTH(M) 9999.9
LOCATION - OCT. 8 LAT. 02/16/00 LONG. 040/07/00 ELEVATION(M)9999.9
REGIONAL CENTRE - AFRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1983-08-17 TO 1984-09-14
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3-N NH3 F
COND DISS
02041 02062 07306 07555 09105
us/cm deg C mg/L N mg/L N mg/L F
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 5 6 1 1 5
MEAN 252. 22.8 0.04 1.60 0.4
MINIMUM 135. 22.0 0.3
DATE OF MINIMUM 1983-08-17 1984-01-19 1984-03-29
10TH PERCENTILE
MEDIAN 175. 23.0 0.3
90TH PERCENTILE
MAXIMUM 700. 23.0 0.7
DATE OF MAXIMUM 1984-01-19 1983-11-02 1984-01-19
STANDARD DEVIATION 220. 0.4 0.2
ALK pH Na Mg P ORTHO
TOTAL DISS DISS TOTAL
10101 10302 11105 12103 15205
mg/L pH UNITS mg/L Na mg/L Mg mg/L P
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 6 6 2 6 4
MEAN 146.00 7.6 14. 10. 0.075
MINIMUM 64.00 6.8 5. 0.040
DATE OF MINIMUM 1983-11-02 1984-05-28 1984-03-29 1983-11-02
10TH PERCENTILE
MEDIAN 86.00 7.7 10. 0.080
90TH PERCENTILE
MAXIMUM 430.00 7.9 18. 0.100
DATE OF MAXIMUM 1984-03-29 1984-09-14 1983-08-17 1984-01-19
STANDARD DEVIATION 141.84 0.4 5. 0.030
SULPHATE Cl K Ca Mn
DISS DISS DISS TOTAL
16302 17201 19103 20101 25004
mg/L SO4 mg/L Cl mg/L K mg/L Ca mg/L Mn
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 4 6 2 6 2
MEAN 3. 16. 6.5 18.500 0.07
MINIMUM 1. 6. 13.000
DATE OF MINIMUM 1983-08-17 1983-08-17 1983-11-02
10TH PERCENTILE
MEDIAN 3. 9. 16.500
90TH PERCENTILE
MAXIMUM 7. 52. 30.000
DATE OF MAXIMUM 1984-09-14 1984-01-19 1984-01-19
STANDARD DEVIATION 3. 18. 6.156
Fe INST
TOTAL DISCHG
26004 97160
mg/L Fe m3/S
NO. OF L-FLAGGED VALUES 0 0
NO. OF G-FLAGGED VALUES 0 0
NO. OF UNFLAGGED VALUES 2 6
MEAN 2.85 114.4
MINIMUM 89.7
DATE OF MINIMUM 1984-03-29
10TH PERCENTILE
MEDIAN 108.3
90TH PERCENTILE
MAXIMUM 150.1
DATE OF MAXIMUM 1983-11-02
STANDARD DEVIATION 21.2
STATION - THIKA RIVER STATION NO. 112005
COUNTRY - KENYA DEPTH(M) 9999.9
LOCATION - OCT. 8 LAT. 00/47/50 LONG. 037/15/45 ELEVATION(M)9999.9
REGIONAL CENTRE - AFRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-05-28 TO 1984-08-31
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP F ALK pH
COND DISS TOTAL
02041 02062 09105 10101 10302
us/cm deg C mg/L F 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 13 13 11 12 13
MEAN 136. 20.2 0.2 48.17 7.4
MINIMUM 55. 19.0 0.1 20.00 6.4
DATE OF MINIMUM 1982-05-28 1983-04-21 1984-02-03 1982-05-28 1982-05-28
10TH PERCENTILE 60. 19.0 0.1 20.00 6.6
MEDIAN 112. 20.0 0.2 46.00 7.5
90TH PERCENTILE 215. 21.0 0.4 75.80 7.7
MAXIMUM 270. 21.0 0.5 80.00 7.8
DATE OF MAXIMUM 1984-08-31 1983-09-21 1984-08-31 1984-08-31 1984-04-10
STANDARD DEVIATION 62. 0.7 0.1 20.48 0.4
Na Mg P ORTHO SULPHATE Cl
DISS DISS TOTAL DISS
11105 12103 15205 16302 17201
mg/L Na mg/L Mg mg/L P mg/L SO4 mg/L Cl
NO. OF L-FLAGGED VALUES 0 0 1 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 4 12 4 12 11
MEAN 20. 3. 0.078 7. 11.
MINIMUM 6. 2. 0.010 1. 5.
DATE OF MINIMUM 1982-05-28 1982-05-28 1983-04-21 1982-12-21 1982-12-21
10TH PERCENTILE 2. 1. 5.
MEDIAN 15. 3. 0.030 4. 9.
90TH PERCENTILE 5. 14. 17.
MAXIMUM 42. 7. 0.300 23. 22.
DATE OF MAXIMUM 1984-08-31 1983-03-18 1983-01-27 1984-08-31 1984-08-31
STANDARD DEVIATION 16. 2. 0.125 7. 5.
Ca Mn Fe Se INST
DISS TOTAL TOTAL TOTAL DISCHG
20101 25004 26004 34002 97160
mg/L Ca mg/L Mn mg/L Fe mg/L Se m3/S
NO. OF L-FLAGGED VALUES 0 1 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 11 6 9 1 13
MEAN 6.027 0.34 1.75 0.600 2.1
MINIMUM 3.000 0.00 0.09 1.1
DATE OF MINIMUM 1982-12-21 1983-03-18 1984-04-10 1984-02-03
10TH PERCENTILE 3.050 1.2
MEDIAN 6.400 0.10 1.30 1.5
90TH PERCENTILE 7.940 3.2
MAXIMUM 10.000 1.60 4.90 3.4
DATE OF MAXIMUM 1983-03-18 1982-05-28 1982-05-28 1982-10-13
STANDARD DEVIATION 2.200 0.57 1.54 0.9
STATION - NAIROBI RIVER STATION NO. 112006
COUNTRY - KENYA DEPTH(M) 9999.9
LOCATION - OCT. 8 LAT. 01/10/40 LONG. 037/07/10 ELEVATION(M)9999.9
REGIONAL CENTRE - AFRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-02-16 TO 1984-09-01
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NO2-N NO3-N
COND
02041 02062 07105 07207 07306
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 6 1 2 2
MEAN 580. 21.5 1.30 2.60 0.80
MINIMUM 400. 21.0
DATE OF MINIMUM 1983-10-31 1982-02-16
10TH PERCENTILE
MEDIAN 600. 21.5
90TH PERCENTILE
MAXIMUM 710. 22.0
DATE OF MAXIMUM 1984-09-01 1984-05-03
STANDARD DEVIATION 118. 0.5
F ALK pH Na Mg
DISS TOTAL DISS DISS
09105 10101 10302 11105 12102
mg/L F mg/L pH UNITS 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 6 7 7 5 1
MEAN 0.7 190.29 7.4 74. 4.
MINIMUM 0.3 0.00 7.1 6.
DATE OF MINIMUM 1984-02-22 1982-02-17 1984-02-22 1983-10-31
10TH PERCENTILE
MEDIAN 0.7 218.00 7.3 90.
90TH PERCENTILE
MAXIMUM 1.0 282.00 7.9 115.
DATE OF MAXIMUM 1984-09-01 1984-09-01 1982-10-12 1984-09-01
STANDARD DEVIATION 0.2 89.56 0.3 41.
Mg P ORTHO SULPHATE Cl K
DISS TOTAL DISS DISS
12103 15205 16302 17201 19103
mg/L Mg mg/L P mg/L SO4 mg/L Cl mg/L K
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 6 1 6 7 2
MEAN 18. 0.480 9. 45. 23.8
MINIMUM 4. 0. 24.
DATE OF MINIMUM 1982-02-16 1982-02-17 1982-02-17
10TH PERCENTILE
MEDIAN 6. 9. 43.
90TH PERCENTILE
MAXIMUM 68. 15. 64.
DATE OF MAXIMUM 1984-05-03 1984-02-22 1984-09-01
STANDARD DEVIATION 25. 6. 16.
Ca Ca Mn Mn Fe
DISS DISS TOTAL DISS TOTAL
20101 20105 25004 25104 26004
mg/L Ca mg/L Ca mg/L Mn mg/L Mn mg/L Fe
NO. OF L-FLAGGED VALUES 0 0 1 0 1
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 6 1 2 1 3
MEAN 17.433 17.600 0.10 0.00 0.35
MINIMUM 12.000 0.10
DATE OF MINIMUM 1982-10-12 1984-09-01
10TH PERCENTILE
MEDIAN 16.800 0.40
90TH PERCENTILE
MAXIMUM 23.000 0.52
DATE OF MAXIMUM 1984-09-01 1984-05-03
STANDARD DEVIATION 4.364 0.18
STATION - LAKE VICTORIA,KISUMU STATION NO. 112008
COUNTRY - KENYA DEPTH(M) 5.0
LOCATION - OCT. 8 LAT. 00/15/29 LONG. 034/35/29 ELEVATION(M)1136.0
REGIONAL CENTRE - AFRA WATER TYPE LAKE
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-05-13 TO 1984-07-31
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TRANS NO2-N NO3-N
COND
02041 02062 02076 07207 07306
us/cm deg C m 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 17 11 11 1 1
MEAN 14. 25.6 0.8 0.00 1.30
MINIMUM 12. 23.8 0.7
DATE OF MINIMUM 1984-07-28 1984-07-31 1984-07-31
10TH PERCENTILE 12. 23.9 0.7
MEDIAN 14. 26.0 0.9
90TH PERCENTILE 15. 26.2 0.9
MAXIMUM 20. 26.5 0.9
DATE OF MAXIMUM 1982-05-13 1984-06-08 1984-07-28
STANDARD DEVIATION 2. 0.8 0.1
NH3 O2 F ALK pH
DISS DISS TOTAL
07555 08102 09105 10101 10302
mg/L N mg/L O2 mg/L F 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 1 11 4 17 17
MEAN 0.01 8.9 0.6 88.63 8.3
MINIMUM 6.8 0.4 5.50 7.7
DATE OF MINIMUM 1984-07-31 1984-02-10 1982-05-25 1982-05-24
10TH PERCENTILE 6.8 5.71 7.8
MEDIAN 7.7 0.7 63.00 8.2
90TH PERCENTILE 8.2 71.73 8.8
MAXIMUM 23.0 0.8 636.00 8.9
DATE OF MAXIMUM 1983-08-01 1982-05-24 1984-07-27 1984-07-28
STANDARD DEVIATION 4.7 0.2 142.45 0.4
Mg Si P ORTHO P SULPHATE
DISS REACTIVE TOTAL TOTAL
12103 14101 15205 15405 16302
mg/L Mg mg/LSiO2 mg/L P mg/L P mg/L SO4
NO. OF L-FLAGGED VALUES 0 0 1 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 4 1 0 1 5
MEAN 5. 0.10 0.010 0.200 2.
MINIMUM 4. 0.
DATE OF MINIMUM 1982-05-13 1982-05-25
10TH PERCENTILE
MEDIAN 4. 0.
90TH PERCENTILE
MAXIMUM 9. 6.
DATE OF MAXIMUM 1984-02-10 1984-02-10
STANDARD DEVIATION 3. 2.
Cl Ca Mn Fe Cu
DISS DISS DISS DISS DISS
17201 20101 25104 26104 29105
mg/L Cl mg/L Ca mg/L Mn mg/L Fe mg/L Cu
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 6 4 4 3 1
MEAN 4. 6.650 0.08 0.51 0.180
MINIMUM 1. 5.600 0.02
DATE OF MINIMUM 1982-05-25 1984-02-10 1984-02-10
10TH PERCENTILE
MEDIAN 4. 6.400 0.10
90TH PERCENTILE
MAXIMUM 9. 8.200 0.10
DATE OF MAXIMUM 1982-05-13 1982-05-13 1982-05-25
STANDARD DEVIATION 3. 1.100 0.04
STATION - SIO RIVER STATION NO. 112009
COUNTRY - KENYA DEPTH(M) 9999.9
LOCATION - OCT. 3 LAT. 00/21/17 LONG. 034/10/58 ELEVATION(M)9999.9
REGIONAL CENTRE - AFRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-05-13 TO 1984-10-03
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC NO3-N F ALK pH
COND DISS TOTAL
02041 07306 09105 10101 10302
us/cm mg/L N mg/L F 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 5 1 4 5 5
MEAN 134. 1.50 0.2 51.20 7.5
MINIMUM 90. 0.2 30.00 7.2
DATE OF MINIMUM 1983-02-15 1984-02-07 1982-05-13 1982-05-13
10TH PERCENTILE
MEDIAN 120. 0.2 58.00 7.4
90TH PERCENTILE
MAXIMUM 200. 0.2 64.00 7.8
DATE OF MAXIMUM 1982-05-13 1983-02-15 1984-10-03 1984-02-07
STANDARD DEVIATION 41. 0.0 14.67 0.2
Mg P ORTHO SULPHATE Cl Ca
DISS TOTAL DISS DISS
12103 15205 16302 17201 20101
mg/L Mg mg/L P mg/L SO4 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 4 3 2 4 4
MEAN 5. 0.027 2. 3. 6.400
MINIMUM 3. 2. 1.600
DATE OF MINIMUM 1982-05-13 1983-07-29 1983-07-29
10TH PERCENTILE
MEDIAN 6. 3. 7.600
90TH PERCENTILE
MAXIMUM 7. 6. 8.800
DATE OF MAXIMUM 1984-02-07 1984-02-07 1983-02-15
STANDARD DEVIATION 2. 2. 3.266
Mn Fe Fe
DISS TOTAL DISS
25104 26004 26104
mg/L Mn mg/L Fe mg/L Fe
NO. OF L-FLAGGED VALUES 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0
NO. OF UNFLAGGED VALUES 2 1 2
MEAN 0.05 0.15 4.75
MINIMUM
DATE OF MINIMUM
10TH PERCENTILE
MEDIAN
90TH PERCENTILE
MAXIMUM
DATE OF MAXIMUM
STANDARD DEVIATION
STATION - NZOIA RIVER STATION NO. 112010
COUNTRY - KENYA DEPTH(M) 9999.9
LOCATION - OCT. 3 LAT. 00/14/12 LONG. 034/22/35 ELEVATION(M)9999.9
REGIONAL CENTRE - AFRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-05-13 TO 1984-10-03
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3-N NH3 F
COND DISS
02041 02062 07306 07555 09105
us/cm deg C mg/L N mg/L N mg/L F
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 5 4 1 1 4
MEAN 140. 21.0 6.00 0.60 0.2
MINIMUM 110. 20.0 0.2
DATE OF MINIMUM 1983-07-29 1984-02-07 1983-07-29
10TH PERCENTILE
MEDIAN 140. 21.0 0.2
90TH PERCENTILE
MAXIMUM 170. 22.0 0.3
DATE OF MAXIMUM 1984-02-07 1983-07-29 1984-02-07
STANDARD DEVIATION 22. 0.8 0.1
ALK pH Na Mg P ORTHO
TOTAL DISS DISS TOTAL
10101 10302 11105 12103 15205
mg/L pH UNITS mg/L Na mg/L Mg mg/L P
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 5 5 1 4 3
MEAN 57.00 7.4 6. 5. 0.040
MINIMUM 38.00 7.3 2.
DATE OF MINIMUM 1983-07-29 1982-05-13 1983-07-29
10TH PERCENTILE
MEDIAN 65.00 7.4 4.
90TH PERCENTILE
MAXIMUM 68.00 7.6 8.
DATE OF MAXIMUM 1984-02-07 1983-07-29 1983-02-14
STANDARD DEVIATION 13.30 0.1 3.
SULPHATE Cl Ca Mn Fe
DISS DISS TOTAL TOTAL
16302 17201 20101 25004 26004
mg/L SO4 mg/L Cl mg/L Ca mg/L Mn mg/L Fe
NO. OF L-FLAGGED VALUES 1 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 2 5 4 3 3
MEAN 1. 7. 10.450 0.27 2.58
MINIMUM 2. 6.400
DATE OF MINIMUM 1983-07-29 1983-07-29
10TH PERCENTILE
MEDIAN 7. 11.200
90TH PERCENTILE
MAXIMUM 11. 13.000
DATE OF MAXIMUM 1984-02-07 1982-05-13
STANDARD DEVIATION 3. 3.117
INST
DISCHG
97160
m3/S
NO. OF L-FLAGGED VALUES 0
NO. OF G-FLAGGED VALUES 0
NO. OF UNFLAGGED VALUES 4
MEAN 66.8
MINIMUM 18.1
DATE OF MINIMUM 1984-02-07
10TH PERCENTILE
MEDIAN 61.0
90TH PERCENTILE
MAXIMUM 127.0
DATE OF MAXIMUM 1982-05-13
STANDARD DEVIATION 52.6
STATION - GUCHA MIGORI RIVER STATION NO. 112011
COUNTRY - KENYA DEPTH(M) 9999.9
LOCATION - OCT. 8 LAT. 01/00/10 LONG. 034/14/59 ELEVATION(M)9999.9
REGIONAL CENTRE - AFRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1984-03-22 TO 1984-11-26
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC ALK pH Cl
COND TOTAL DISS
02041 10101 10302 17201
us/cm mg/L pH UNITS mg/L Cl
NO. OF L-FLAGGED VALUES 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0
NO. OF UNFLAGGED VALUES 3 2 2 2
MEAN 102. 34.00 7.0 5.
MINIMUM
DATE OF MINIMUM
10TH PERCENTILE
MEDIAN
90TH PERCENTILE
MAXIMUM
DATE OF MAXIMUM
STANDARD DEVIATION
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