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STATISTICS FOR THE PHILIPPINES
GEMS/WATER - STATISTICAL SUMMARY BY STATION 2002-01-08 PAGE 683
STATION - LA MESA RESERVOIR STATION NO. 020001
COUNTRY - PHILIPPINES DEPTH(M) 70.0
LOCATION - OCT. 2 LAT. 14/42/30 LONG. 121/05/00 ELEVATION(M) 75.0
REGIONAL CENTRE - WPRA WATER TYPE LAKE
PERIOD REQUESTED FROM - 1988-01-01 TO 1990-12-31
PERIOD OF RECORD FROM - 1988-01-28 TO 1990-10-31
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
TEMP CO2 O2 BOD PERM V
DISS DISS
02061 06402 08101 08201 08402
deg C mg/L 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 1 27 27 27 27
MEAN 21.7 4. 6.8 1. 2.
MINIMUM 2. 3.6 0. 0.
DATE OF MINIMUM 1988-05-26 1990-05-24 1988-12-15 1989-05-11
10TH PERCENTILE 2. 5.3 0. 1.
MEDIAN 4. 7.1 1. 2.
90TH PERCENTILE 5. 7.9 2. 2.
MAXIMUM 18. 8.3 3. 8.
DATE OF MAXIMUM 1989-05-11 1988-02-18 1990-04-26 1988-10-27
STANDARD DEVIATION 3. 1.1 1. 1.
F ALK pH SUSP SOL Mg
DISS TOTAL 105 DEG DISS
09104 10102 10301 10401 12103
mg/L F mg/L pH UNITS mg/L 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 27 27 27 12 27
MEAN 0.0 58.86 7.6 16. 4.
MINIMUM 0.0 45.20 6.8 0. 1.
DATE OF MINIMUM 1988-01-28 1989-02-14 1988-04-21 1990-09-26 1989-11-23
10TH PERCENTILE 0.0 47.64 7.1 1. 1.
MEDIAN 0.0 60.20 7.6 9. 4.
90TH PERCENTILE 0.1 64.40 8.0 33. 7.
MAXIMUM 0.1 72.20 8.1 68. 9.
DATE OF MAXIMUM 1989-09-14 1988-09-22 1990-09-26 1988-10-27 1988-06-16
STANDARD DEVIATION 0.0 6.17 0.3 19. 2.
SULPHATE Cl Ca Fe TEMP-AIR
DISS DISS TOTAL
16301 17204 20101 26002 97060
mg/L SO4 mg/L Cl mg/L Ca mg/L Fe deg C
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 27 27 27 27 1
MEAN 10. 4. 17.011 0.15 26.7
MINIMUM 6. 2. 10.600 0.05
DATE OF MINIMUM 1989-08-17 1988-03-24 1988-06-16 1988-01-28
10TH PERCENTILE 6. 2. 11.220 0.05
MEDIAN 10. 4. 17.200 0.10
90TH PERCENTILE 13. 5. 20.000 0.30
MAXIMUM 30. 5. 25.200 1.25
DATE OF MAXIMUM 1988-01-28 1989-05-11 1990-02-21 1989-09-14
STANDARD DEVIATION 5. 1. 3.648 0.24
STATION - LAGUNA LAKE STATION NO. 020002
COUNTRY - PHILIPPINES DEPTH(M) 7.0
LOCATION - OCT. 2 LAT. 14/25/28 LONG. 121/13/26 ELEVATION(M) 10.5
REGIONAL CENTRE - WPRA WATER TYPE LAKE
PERIOD REQUESTED FROM - 1988-01-01 TO 1990-12-31
PERIOD OF RECORD FROM - 1989-08-15 TO 1990-11-20
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
TEMP NH3 O2 ALK pH
DISS TOTAL
02061 07555 08102 10102 10302
deg C mg/L N 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 9 8 9 9 9
MEAN 28.2 0.04 6.8 114.44 8.2
MINIMUM 25.3 0.00 5.7 44.00 7.4
DATE OF MINIMUM 1990-01-09 1990-03-06 1989-10-03 1989-10-03 1990-11-20
10TH PERCENTILE
MEDIAN 29.0 0.04 6.9 72.00 8.0
90TH PERCENTILE
MAXIMUM 30.0 0.08 8.3 422.00 8.9
DATE OF MAXIMUM 1989-08-15 1989-08-15 1990-01-09 1990-03-06 1989-10-03
STANDARD DEVIATION 1.6 0.02 0.8 117.37 0.5
Mg PO4-P Cl Ca
DISS SOL DISS DISS
12103 15254 17201 20101
mg/L Mg mg/L PO4 mg/L Cl mg/L Ca
NO. OF L-FLAGGED VALUES 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0
NO. OF UNFLAGGED VALUES 9 8 9 9
MEAN 43. 0.131 528. 27.733
MINIMUM 2. 0.020 41. 11.200
DATE OF MINIMUM 1989-10-03 1990-11-20 1989-11-07 1989-08-15
10TH PERCENTILE
MEDIAN 30. 0.136 60. 20.800
90TH PERCENTILE
MAXIMUM 158. 0.232 2490. 68.800
DATE OF MAXIMUM 1990-05-02 1990-03-06 1990-05-02 1990-05-02
STANDARD DEVIATION 50. 0.080 809. 19.049
STATION - CAGAYAN RIVER STATION NO. 020004
COUNTRY - PHILIPPINES DEPTH(M) 1.6
LOCATION - OCT. 2 LAT. 08/28/37 LONG. 124/38/18 ELEVATION(M) 0.6
REGIONAL CENTRE - WPRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1988-01-01 TO 1990-12-31
PERIOD OF RECORD FROM - 1988-03-15 TO 1990-12-04
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 1 40 40 39 4
MEAN 227. 25.1 7.9 1. 7.
MINIMUM 23.0 6.2 0. 0.
DATE OF MINIMUM 1989-07-05 1989-09-25 1990-01-29 1988-05-19
10TH PERCENTILE 23.0 7.3 0.
MEDIAN 25.0 8.0 1. 6.
90TH PERCENTILE 27.0 8.5 2.
MAXIMUM 28.0 9.1 6. 16.
DATE OF MAXIMUM 1990-06-18 1988-08-23 1990-06-06 1988-03-15
STANDARD DEVIATION 1.4 0.6 1. 7.
ALK pH SUSP SOL Cl Cl
TOTAL 105 DEG DISS DISS
10102 10301 10401 17201 17204
mg/L pH UNITS mg/L mg/L Cl 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 39 19 32 31 8
MEAN 53.63 7.9 42. 8. 10.
MINIMUM 4.00 7.1 2. 2. 3.
DATE OF MINIMUM 1990-09-11 1990-06-06 1990-04-17 1989-09-11 1988-05-19
10TH PERCENTILE 35.00 7.3 9. 2.
MEDIAN 55.00 7.9 39. 4. 10.
90TH PERCENTILE 73.88 8.2 78. 16.
MAXIMUM 95.00 8.5 94. 40. 20.
DATE OF MAXIMUM 1989-10-23 1990-07-26 1990-10-26 1989-11-06 1988-03-15
STANDARD DEVIATION 17.54 0.3 25. 9. 6.
COLIFORM
TOTAL
36001
No/100ml
NO. OF L-FLAGGED VALUES 0
NO. OF G-FLAGGED VALUES 0
NO. OF UNFLAGGED VALUES 18
MEAN 11954.
MINIMUM 90.
DATE OF MINIMUM 1989-07-31
10TH PERCENTILE 138.
MEDIAN 7300.
90TH PERCENTILE 25100.
MAXIMUM 35000.
DATE OF MAXIMUM 1990-11-16
STANDARD DEVIATION 11881.
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