| Site ID: |
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2263 |
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Lat. |
8.1384 |
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Thailand |
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Nakhon
Si Thammarat |
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| River: |
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Ban Pak Phraek |
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Long. |
100.1450 |
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| Site name: |
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Ban Pak Phraek |
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Contributing
area: |
2291 |
km2 |
Ratio to Comparison
Station: |
0.10 |
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| Latest measurement: |
6-Nov-09 |
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Mean annual
runoff: |
9175 |
mm |
(2003-2007) |
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| Hydrologic status: |
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3 |
Flood |
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Total runoff
this year: |
7645 |
mm |
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| Latest M/C ratio: |
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1.83 |
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Seven day
total: |
2 |
mm |
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| Estimated current discharge: |
3402 |
m3/sec |
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Percent of
mean 7-day total: |
101.2 |
% |
(today's value compared to
mean for same period, 2003-2007) |
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| Ice-cover determination: |
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5 yr
recurrence flood: |
3671 |
m3/sec |
(from Log Pearson III
analysis) |
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| Status Codes: 1 = Low
flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood |
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3509 |
m3/sec |
(from Gumbel Extreme Value
analysis) |
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| Comparison Station Information: |
Tokwe
Confluence D/s C/s (1495240) |
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Contributing
Area: |
7280 |
sq mi |
23237 |
sq km |
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| (Data from this gaging station are used for the calibration to
discharge, with an adjustment for different contributing areas) |
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| Notes: |
Comparison station is
placeholder, only; this site is not yet calibrated to actual discharge |
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| Discharge and runoff, based on satellite remote sensing (NASA
AMSR-E data) |
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| (For U.S, sites, nearby ground station discharge may also be
shown) |
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2008-Present |
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2002-Present |
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| Annual |
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Monthly Total Runoff (mm),
computed from above satellite-based discharge data |
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| Runoff |
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| (mm) |
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Jan |
Feb |
Mar |
April |
May |
June |
July |
Aug |
Sept |
Oct |
Nov |
Dec |
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| 5466 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
835.4 |
715.1 |
860.3 |
1299.0 |
1756.1 |
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| 12407 |
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2003 |
1308.4 |
935.8 |
756.8 |
1138.3 |
650.3 |
1044.0 |
1268.4 |
639.5 |
1169.6 |
1326.8 |
1032.4 |
1136.4 |
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| 15415 |
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2004 |
1425.5 |
1141.2 |
1026.9 |
1078.0 |
975.4 |
1289.8 |
931.1 |
1098.6 |
1408.5 |
1695.2 |
1521.5 |
1823.6 |
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| 8176 |
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2005 |
1508.1 |
1249.0 |
795.4 |
162.0 |
146.4 |
495.0 |
510.9 |
149.5 |
394.1 |
963.1 |
882.8 |
919.4 |
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| 4778 |
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2006 |
1624.0 |
691.2 |
485.2 |
226.9 |
386.5 |
381.3 |
33.2 |
3.9 |
32.2 |
913.5 |
0.0 |
0.0 |
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| 5100 |
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2007 |
705.5 |
348.9 |
174.1 |
13.6 |
1005.6 |
362.0 |
36.5 |
3.9 |
3.8 |
402.9 |
1157.7 |
885.8 |
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| 7645 |
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2008 |
601.2 |
217.2 |
427.6 |
363.1 |
865.5 |
333.5 |
175.3 |
59.0 |
249.9 |
541.3 |
1696.0 |
2115.7 |
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| 5804 |
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2009 |
1369.5 |
683.7 |
502.4 |
705.0 |
477.0 |
371.9 |
420.5 |
36.4 |
59.0 |
456.8 |
721.3 |
0.0 |
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| Discharge is estimated directly via a rating equation from
the remote sensing data (M/C ratio) shown below. |
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