STATISTICS for SRI LANKA
STATISTICS FOR SRI LANKA
GEMS/WATER - STATISTICAL SUMMARY BY STATION 2002-02-15 PAGE 589
STATION - KELANI GANGA IN COLOMBO STATION NO. 076002
COUNTRY - SRI LANKA DEPTH(M) 6.0
LOCATION - OCT. 3 LAT. 07/58/30 LONG. 079/52/00 ELEVATION(M) 5.0
REGIONAL CENTRE - SEAA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1979-01-01 TO 1981-12-31
PERIOD OF RECORD FROM - 1979-08-15 TO 1980-03-26
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP O2 BOD COD
COND DISS
02041 02061 08102 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 25 24 25 22 24
MEAN 40. 27.1 6.8 10. 36.
MINIMUM 22. 25.4 3.7 1. 8.
DATE OF MINIMUM 1979-12-05 1979-09-26 1979-10-17 1979-09-19 1979-12-26
10TH PERCENTILE 23. 26.0 6.1 1. 9.
MEDIAN 32. 27.0 7.0 5. 27.
90TH PERCENTILE 46. 27.9 7.2 24. 66.
MAXIMUM 198. 30.0 7.4 46. 115.
DATE OF MAXIMUM 1980-01-30 1980-03-26 1980-01-30 1979-08-29 1980-03-26
STANDARD DEVIATION 34. 0.9 0.7 13. 27.
pH SUSP SOL Cl FAEC COL
105 DEG DISS
10302 10401 17205 36011
pH UNITS mg/L mg/L Cl No/100ml
NO. OF L-FLAGGED VALUES 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0
NO. OF UNFLAGGED VALUES 25 21 25 26
MEAN 6.7 0. 3. 11340.
MINIMUM 5.0 0. 1. 2000.
DATE OF MINIMUM 1979-09-12 1980-03-12 1979-10-03 1979-09-12
10TH PERCENTILE 5.3 0. 1. 2000.
MEDIAN 6.6 0. 2. 7166.
90TH PERCENTILE 7.7 0. 4. 27100.
MAXIMUM 7.8 0. 17. 37250.
DATE OF MAXIMUM 1980-01-16 1979-11-28 1979-11-28 1979-08-29
STANDARD DEVIATION 0.8 0. 3. 9970.
STATION - KELANI GANGA IN COLOMBO STATION NO. 076003
COUNTRY - SRI LANKA DEPTH(M) 9999.9
LOCATION - OCT. 3 LAT. 06/56/15 LONG. 079/56/45 ELEVATION(M)9999.9
REGIONAL CENTRE - SEAA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1979-01-01 TO 1981-12-31
PERIOD OF RECORD FROM - 1979-08-22 TO 1980-03-26
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP O2 BOD COD
COND DISS
02041 02061 08102 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 24 23 24 21 22
MEAN 174. 27.2 6.8 10. 45.
MINIMUM 23. 25.4 3.6 2. 4.
DATE OF MINIMUM 1979-10-24 1979-09-26 1979-10-17 1979-11-21 1979-12-26
10TH PERCENTILE 23. 26.1 6.2 2. 8.
MEDIAN 30. 27.2 6.9 6. 22.
90TH PERCENTILE 445. 27.9 7.3 17. 79.
MAXIMUM 1400. 30.5 7.4 49. 346.
DATE OF MAXIMUM 1980-03-12 1980-03-26 1980-01-30 1979-11-28 1980-03-26
STANDARD DEVIATION 346. 1.0 0.8 10. 75.
pH SUSP SOL Cl FAEC COL
105 DEG DISS
10302 10401 17205 36011
pH UNITS mg/L mg/L Cl No/100ml
NO. OF L-FLAGGED VALUES 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0
NO. OF UNFLAGGED VALUES 24 21 24 24
MEAN 6.7 0. 44. 10604.
MINIMUM 5.1 0. 1. 0.
DATE OF MINIMUM 1979-09-26 1980-01-02 1979-09-12 1980-02-13
10TH PERCENTILE 5.8 0. 1. 1700.
MEDIAN 6.7 0. 2. 6875.
90TH PERCENTILE 7.4 0. 126. 16525.
MAXIMUM 7.6 0. 455. 79750.
DATE OF MAXIMUM 1980-03-12 1979-11-28 1980-03-12 1979-12-05
STANDARD DEVIATION 0.6 0. 112. 15416.
STATION - FREE TRADE ZONE KATWNAYAKE STATION NO. 076004
COUNTRY - SRI LANKA DEPTH(M) 9999.9
LOCATION - OCT. 3 LAT. 07/10/30 LONG. 079/52/30 ELEVATION(M)9999.9
REGIONAL CENTRE - SEAA WATER TYPE GROUNDWATER
PERIOD REQUESTED FROM - 1979-01-01 TO 1981-12-31
PERIOD OF RECORD FROM - 1979-08-15 TO 1980-03-26
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP O2 BOD COD
COND DISS
02041 02061 08102 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 44 42 44 38 41
MEAN 70. 29.3 4.2 8. 53.
MINIMUM 18. 25.6 0.0 2. 4.
DATE OF MINIMUM 1979-12-12 1979-09-26 1979-11-28 1979-09-19 1979-12-26
10TH PERCENTILE 28. 26.6 0.0 3. 8.
MEDIAN 48. 29.7 6.0 5. 27.
90TH PERCENTILE 123. 30.8 7.1 15. 143.
MAXIMUM 170. 39.7 7.4 45. 243.
DATE OF MAXIMUM 1980-03-12 1980-01-02 1980-01-30 1980-03-12 1979-09-12
STANDARD DEVIATION 42. 2.3 3.1 9. 62.
pH SUSP SOL Cl FAEC COL
105 DEG DISS
10302 10401 17205 36011
pH UNITS mg/L mg/L Cl No/100ml
NO. OF L-FLAGGED VALUES 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0
NO. OF UNFLAGGED VALUES 44 38 44 46
MEAN 6.4 0. 8. 2.0E+04
MINIMUM 4.6 0. 1. 7.8E+02
DATE OF MINIMUM 1980-02-13 1980-03-12 1979-11-05 1979-08-15
10TH PERCENTILE 5.4 0. 2. 1.0E+03
MEDIAN 6.4 0. 7. 9.9E+03
90TH PERCENTILE 7.4 0. 13. 2.5E+04
MAXIMUM 7.5 0. 26. 3.7E+05
DATE OF MAXIMUM 1980-03-12 1979-12-12 1980-02-13 1979-10-10
STANDARD DEVIATION 0.7 0. 6. 5.4E+04
GEMS/WATER
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Last updated: 2001-07-30