STATISTICS FOR CAMBODIA
STATISTICS FOR CAMBODIA
GEMS/WATER - STATISTICAL SUMMARY BY STATION 2002-01-30 PAGE 32
STATION - NEAR LUANG-MEKONG RIVER STATION NO. 064001
COUNTRY - CAMBODIA DEPTH(M) 0.0
LOCATION - OCT. 2 LAT. 11/20/52 LONG. 105/16/37 ELEVATION(M) 0.0
REGIONAL CENTRE - SEAA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-17 TO 1995-03-20
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NH3 COD
COND
02041 02061 07105 07556 08301
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 15 15 15 15 15
MEAN 15. 29.4 0.15 0.05 4.
MINIMUM 10. 26.8 0.03 0.01 1.
DATE OF MINIMUM 1994-09-20 1995-01-16 1994-03-16 1995-03-20 1994-05-15
10TH PERCENTILE 10. 27.0 0.03 0.01 1.
MEDIAN 13. 29.0 0.14 0.04 3.
90TH PERCENTILE 19. 31.2 0.23 0.13 7.
MAXIMUM 26. 32.5 0.38 0.14 8.
DATE OF MAXIMUM 1994-05-15 1994-05-15 1994-06-16 1994-06-16 1994-07-15
STANDARD DEVIATION 4. 1.6 0.09 0.05 2.
ALK pH SUSP SOL Na Mg
TOTAL 105 DEG DISS TOTAL
10121 10301 10401 11103 12003
MEQ/L pH UNITS 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 15 15 14 15 15
MEAN 1.11 7.8 68. 6. 4.
MINIMUM 0.76 7.3 1. 3. 2.
DATE OF MINIMUM 1994-09-20 1995-01-16 1994-03-16 1994-08-15 1994-11-21
10TH PERCENTILE 0.81 7.5 1. 3. 2.
MEDIAN 1.07 7.8 14. 5. 5.
90TH PERCENTILE 1.39 8.1 193. 9. 5.
MAXIMUM 1.56 8.4 216. 10. 7.
DATE OF MAXIMUM 1994-05-15 1994-05-15 1994-08-15 1994-05-15 1994-05-15
STANDARD DEVIATION 0.24 0.2 87. 2. 1.
Si P ORTHO P SULPHATE Cl
REACTIVE DISS TOTAL DISS
14101 15255 15405 16309 17201
mg/LSiO2 mg/L P mg/L P 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 15 15 15 15 15
MEAN 4.39 0.019 0.034 7. 4.
MINIMUM 3.47 0.003 0.010 1. 1.
DATE OF MINIMUM 1994-11-21 1994-05-15 1994-01-17 1995-02-15 1994-10-14
10TH PERCENTILE 3.53 0.004 0.012 2. 1.
MEDIAN 4.25 0.013 0.031 5. 4.
90TH PERCENTILE 4.88 0.037 0.061 15. 9.
MAXIMUM 5.92 0.067 0.074 19. 11.
DATE OF MAXIMUM 1994-07-15 1994-07-15 1994-07-15 1994-03-16 1994-06-16
STANDARD DEVIATION 0.63 0.017 0.020 6. 3.
K Ca Fe
DISS DISS TOTAL
19103 20101 26002
mg/L K mg/L Ca mg/L Fe
NO. OF L-FLAGGED VALUES 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0
NO. OF UNFLAGGED VALUES 15 15 7
MEAN 1.6 15.927 0.22
MINIMUM 1.2 10.401 0.00
DATE OF MINIMUM 1994-12-20 1994-10-14 1994-01-17
10TH PERCENTILE 1.2 10.842
MEDIAN 1.5 16.032 0.02
90TH PERCENTILE 2.1 21.082
MAXIMUM 2.6 24.850 1.40
DATE OF MAXIMUM 1994-08-15 1994-05-15 1994-12-20
STANDARD DEVIATION 0.4 4.334 0.52
STATION - PHNOM PENH-MEKONG RIVER STATION NO. 064002
COUNTRY - CAMBODIA DEPTH(M) 0.0
LOCATION - OCT. 2 LAT. 11/35/00 LONG. 104/56/33 ELEVATION(M) 0.0
REGIONAL CENTRE - SEAA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-18 TO 1995-03-21
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NH3 COD
COND
02041 02061 07105 07556 08301
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 15 15 15 15 15
MEAN 16. 28.8 0.18 0.07 3.
MINIMUM 8. 24.4 0.00 0.00 1.
DATE OF MINIMUM 1994-09-12 1995-01-17 1995-02-17 1994-02-17 1994-02-17
10TH PERCENTILE 9. 25.9 0.01 0.00 1.
MEDIAN 16. 28.0 0.15 0.06 2.
90TH PERCENTILE 21. 31.4 0.28 0.13 6.
MAXIMUM 25. 32.3 0.89 0.30 10.
DATE OF MAXIMUM 1994-04-23 1994-05-15 1994-05-15 1994-08-16 1994-07-14
STANDARD DEVIATION 5. 2.0 0.22 0.08 3.
ALK pH SUSP SOL Na Mg
TOTAL 105 DEG DISS TOTAL
10121 10301 10401 11103 12003
MEQ/L pH UNITS 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 15 15 14 15 15
MEAN 1.22 8.0 75. 6. 5.
MINIMUM 0.66 7.4 2. 3. 2.
DATE OF MINIMUM 1994-09-12 1995-03-21 1994-02-17 1994-10-17 1994-09-12
10TH PERCENTILE 0.73 7.5 2. 3. 2.
MEDIAN 1.36 7.9 6. 6. 5.
90TH PERCENTILE 1.51 8.3 223. 9. 6.
MAXIMUM 1.66 8.5 262. 12. 12.
DATE OF MAXIMUM 1994-04-23 1994-02-17 1994-09-12 1994-04-23 1995-01-17
STANDARD DEVIATION 0.33 0.3 104. 3. 2.
Si P ORTHO P SULPHATE Cl
REACTIVE DISS TOTAL DISS
14101 15255 15405 16309 17201
mg/LSiO2 mg/L P mg/L P 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 15 15 15 15 15
MEAN 5.32 0.024 0.039 12. 4.
MINIMUM 3.82 0.001 0.009 2. 1.
DATE OF MINIMUM 1994-06-17 1994-05-15 1994-02-17 1994-09-12 1994-03-15
10TH PERCENTILE 3.99 0.003 0.009 2. 1.
MEDIAN 5.39 0.020 0.034 9. 4.
90TH PERCENTILE 6.22 0.050 0.073 23. 7.
MAXIMUM 6.59 0.061 0.092 56. 9.
DATE OF MAXIMUM 1994-11-21 1994-09-12 1994-07-14 1995-01-17 1994-04-23
STANDARD DEVIATION 0.80 0.020 0.026 14. 2.
K Ca Fe
DISS DISS TOTAL
19103 20101 26002
mg/L K mg/L Ca mg/L Fe
NO. OF L-FLAGGED VALUES 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0
NO. OF UNFLAGGED VALUES 15 15 7
MEAN 2.4 17.577 0.09
MINIMUM 0.8 8.818 0.00
DATE OF MINIMUM 1994-06-17 1995-01-17 1994-01-18
10TH PERCENTILE 1.0 9.319
MEDIAN 1.6 17.134 0.06
90TH PERCENTILE 2.2 22.756
MAXIMUM 13.7 26.353 0.32
DATE OF MAXIMUM 1994-02-17 1994-04-23 1994-12-20
STANDARD DEVIATION 3.2 5.496 0.12
STATION - KAM PONG CHAM-MEKONG RIVER STATION NO. 064003
COUNTRY - CAMBODIA DEPTH(M) 0.0
LOCATION - OCT. 2 LAT. 12/00/00 LONG. 105/28/00 ELEVATION(M) 0.0
REGIONAL CENTRE - SEAA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-19 TO 1995-03-20
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NH3 COD
COND
02041 02061 07105 07556 08301
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 15 15 15 15 15
MEAN 16. 29.0 0.15 0.07 3.
MINIMUM 9. 26.9 0.02 0.00 1.
DATE OF MINIMUM 1994-07-16 1995-01-16 1995-02-15 1994-11-21 1994-03-17
10TH PERCENTILE 9. 27.0 0.02 0.00 1.
MEDIAN 16. 28.4 0.12 0.04 2.
90TH PERCENTILE 22. 31.3 0.25 0.10 6.
MAXIMUM 25. 32.0 0.35 0.44 8.
DATE OF MAXIMUM 1994-04-21 1994-05-15 1994-06-18 1994-06-18 1994-07-16
STANDARD DEVIATION 5. 1.6 0.09 0.11 2.
ALK pH SUSP SOL Na Mg
TOTAL 105 DEG DISS TOTAL
10121 10301 10401 11103 12003
MEQ/L pH UNITS 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 15 15 14 15 15
MEAN 1.18 7.9 65. 6. 4.
MINIMUM 0.68 7.7 1. 3. 2.
DATE OF MINIMUM 1994-07-16 1994-09-18 1994-03-17 1994-09-18 1994-09-18
10TH PERCENTILE 0.71 7.7 1. 3. 2.
MEDIAN 1.26 7.9 6. 6. 4.
90TH PERCENTILE 1.52 8.2 157. 9. 6.
MAXIMUM 1.55 8.4 286. 10. 7.
DATE OF MAXIMUM 1994-03-17 1994-05-15 1994-07-16 1994-05-15 1995-01-16
STANDARD DEVIATION 0.32 0.2 90. 2. 2.
Si P ORTHO P SULPHATE Cl
REACTIVE DISS TOTAL DISS
14101 15255 15405 16309 17201
mg/LSiO2 mg/L P mg/L P 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 15 15 15 15 15
MEAN 5.11 0.029 0.040 8. 4.
MINIMUM 2.36 0.002 0.009 2. 1.
DATE OF MINIMUM 1994-02-16 1994-05-15 1994-03-17 1994-07-16 1994-03-17
10TH PERCENTILE 3.09 0.004 0.009 2. 1.
MEDIAN 5.31 0.021 0.030 6. 4.
90TH PERCENTILE 6.19 0.058 0.068 13. 8.
MAXIMUM 6.89 0.080 0.090 22. 9.
DATE OF MAXIMUM 1994-11-21 1994-07-16 1994-07-16 1994-03-17 1994-05-15
STANDARD DEVIATION 1.12 0.025 0.027 6. 3.
K Ca Fe
DISS DISS TOTAL
19103 20101 26002
mg/L K mg/L Ca mg/L Fe
NO. OF L-FLAGGED VALUES 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0
NO. OF UNFLAGGED VALUES 15 15 7
MEAN 1.6 17.228 0.07
MINIMUM 0.9 9.078 0.00
DATE OF MINIMUM 1994-06-18 1994-07-16 1994-01-19
10TH PERCENTILE 1.0 9.850
MEDIAN 1.5 17.575 0.05
90TH PERCENTILE 2.1 23.166
MAXIMUM 2.3 24.188 0.26
DATE OF MAXIMUM 1994-10-15 1994-04-21 1994-12-19
STANDARD DEVIATION 0.4 5.099 0.09
STATION - KAM KHEL-BASSAC RIVER STATION NO. 064004
COUNTRY - CAMBODIA DEPTH(M) 0.0
LOCATION - OCT. 2 LAT. 11/27/00 LONG. 105/02/00 ELEVATION(M) 0.0
REGIONAL CENTRE - SEAA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-17 TO 1995-03-20
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NH3 COD
COND
02041 02061 07105 07556 08301
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 15 15 15 15 15
MEAN 12. 29.3 0.21 0.13 5.
MINIMUM 8. 26.8 0.04 0.00 3.
DATE OF MINIMUM 1994-02-15 1995-01-16 1994-03-16 1994-11-21 1994-06-16
10TH PERCENTILE 8. 26.9 0.04 0.01 3.
MEDIAN 10. 29.0 0.20 0.05 5.
90TH PERCENTILE 20. 31.0 0.31 0.27 7.
MAXIMUM 23. 32.0 0.62 0.71 10.
DATE OF MAXIMUM 1994-04-22 1994-05-15 1994-04-22 1995-01-16 1994-07-15
STANDARD DEVIATION 5. 1.5 0.15 0.19 2.
ALK pH SUSP SOL Na Mg
TOTAL 105 DEG DISS TOTAL
10121 10301 10401 11103 12003
MEQ/L pH UNITS 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 15 15 14 15 15
MEAN 0.82 7.6 55. 5. 3.
MINIMUM 0.64 7.1 2. 3. 2.
DATE OF MINIMUM 1994-02-15 1995-01-16 1994-03-16 1994-09-20 1994-08-15
10TH PERCENTILE 0.66 7.2 2. 3. 2.
MEDIAN 0.79 7.5 4. 4. 3.
90TH PERCENTILE 1.00 7.9 158. 8. 4.
MAXIMUM 1.29 8.0 240. 10. 4.
DATE OF MAXIMUM 1994-05-15 1994-02-15 1994-07-15 1994-05-15 1994-05-15
STANDARD DEVIATION 0.17 0.3 81. 2. 1.
Si P ORTHO P SULPHATE Cl
REACTIVE DISS TOTAL DISS
14101 15255 15405 16309 17201
mg/LSiO2 mg/L P mg/L P 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 15 15 15 15 15
MEAN 2.75 0.018 0.031 5. 5.
MINIMUM 0.86 0.002 0.010 0. 1.
DATE OF MINIMUM 1995-02-15 1994-05-15 1994-01-17 1995-02-15 1994-09-20
10TH PERCENTILE 0.97 0.003 0.012 1. 2.
MEDIAN 1.53 0.012 0.026 3. 3.
90TH PERCENTILE 4.37 0.041 0.056 9. 8.
MAXIMUM 6.35 0.067 0.072 14. 18.
DATE OF MAXIMUM 1994-07-15 1994-07-15 1994-07-15 1994-04-22 1994-03-16
STANDARD DEVIATION 1.78 0.018 0.019 4. 4.
K Ca Fe
DISS DISS TOTAL
19103 20101 26002
mg/L K mg/L Ca mg/L Fe
NO. OF L-FLAGGED VALUES 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0
NO. OF UNFLAGGED VALUES 15 15 7
MEAN 1.7 12.205 0.14
MINIMUM 1.3 6.753 0.00
DATE OF MINIMUM 1994-09-20 1995-01-16 1994-01-17
10TH PERCENTILE 1.3 7.234
MEDIAN 1.7 10.721 0.02
90TH PERCENTILE 2.0 17.555
MAXIMUM 2.4 26.350 0.79
DATE OF MAXIMUM 1994-04-22 1994-04-22 1994-12-19
STANDARD DEVIATION 0.3 5.205 0.29
STATION - PREK DAM-TONLE SAP STATION NO. 064005
COUNTRY - CAMBODIA DEPTH(M) 0.0
LOCATION - OCT. 2 LAT. 11/48/42 LONG. 104/48/00 ELEVATION(M) 0.0
REGIONAL CENTRE - SEAA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-18 TO 1995-03-21
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NH3 COD
COND
02041 02061 07105 07556 08301
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 15 15 15 15 15
MEAN 10. 29.8 0.23 0.15 5.
MINIMUM 7. 26.6 0.01 0.00 3.
DATE OF MINIMUM 1994-02-17 1995-01-17 1995-02-17 1994-12-20 1994-06-17
10TH PERCENTILE 7. 27.2 0.02 0.01 3.
MEDIAN 9. 29.4 0.14 0.08 4.
90TH PERCENTILE 11. 32.1 0.62 0.26 7.
MAXIMUM 18. 33.0 0.86 1.00 8.
DATE OF MAXIMUM 1994-06-17 1994-05-15 1994-04-23 1994-03-15 1994-05-15
STANDARD DEVIATION 3. 1.8 0.28 0.25 2.
ALK pH SUSP SOL Na Mg
TOTAL 105 DEG DISS TOTAL
10121 10301 10401 11103 12003
MEQ/L pH UNITS 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 15 15 14 15 15
MEAN 0.72 7.4 18. 4. 3.
MINIMUM 0.44 6.8 2. 3. 2.
DATE OF MINIMUM 1994-05-15 1994-03-15 1994-11-21 1994-09-21 1994-05-15
10TH PERCENTILE 0.45 6.9 3. 3. 2.
MEDIAN 0.75 7.4 8. 4. 2.
90TH PERCENTILE 0.90 7.8 33. 5. 3.
MAXIMUM 0.98 7.8 106. 6. 4.
DATE OF MAXIMUM 1994-06-17 1994-05-15 1994-06-17 1994-06-17 1994-12-20
STANDARD DEVIATION 0.18 0.3 27. 1. 1.
Si P ORTHO P SULPHATE Cl
REACTIVE DISS TOTAL DISS
14101 15255 15405 16309 17201
mg/LSiO2 mg/L P mg/L P 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 15 15 15 15 15
MEAN 2.72 0.016 0.031 4. 3.
MINIMUM 0.74 0.004 0.009 1. 1.
DATE OF MINIMUM 1995-02-17 1994-10-17 1994-10-17 1994-12-20 1994-10-17
10TH PERCENTILE 0.79 0.004 0.010 1. 1.
MEDIAN 1.57 0.013 0.029 4. 2.
90TH PERCENTILE 4.95 0.031 0.057 6. 4.
MAXIMUM 5.96 0.044 0.060 7. 10.
DATE OF MAXIMUM 1994-07-14 1994-03-15 1995-03-21 1994-03-15 1994-06-17
STANDARD DEVIATION 1.82 0.011 0.017 2. 2.
K Ca Fe
DISS DISS TOTAL
19103 20101 26002
mg/L K mg/L Ca mg/L Fe
NO. OF L-FLAGGED VALUES 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0
NO. OF UNFLAGGED VALUES 15 15 6
MEAN 1.6 9.381 0.08
MINIMUM 1.3 5.611 0.00
DATE OF MINIMUM 1994-06-17 1994-03-15 1994-01-18
10TH PERCENTILE 1.3 5.611
MEDIAN 1.6 8.858 0.02
90TH PERCENTILE 2.0 13.537
MAXIMUM 2.1 15.631 0.38
DATE OF MAXIMUM 1994-10-17 1994-06-17 1994-12-20
STANDARD DEVIATION 0.3 3.573 0.15
NOTE: Data identified here were received from the Mekong Secretariat.
For further information please contact GEMS/Water (GEMS@cciw.ca).
GEMS/WATER
URL of this page: http://www.cciw.ca/summary/camb94-e.html
Last updated: 2001-07-30