| Site ID: |
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252 |
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Lat. |
19.3879 |
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Thailand |
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Phayao |
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| River: |
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Nam Ing |
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Long. |
100.0265 |
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| Site name: |
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Phayo |
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Contributing
area: |
2164 |
km2 |
Ratio to Comparison
Station: |
0.09 |
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| Latest measurement: |
9-Nov-09 |
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Mean annual
runoff: |
2545 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
1571 |
mm |
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| Latest M/C ratio: |
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1.10 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
3 |
m3/sec |
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Percent of
mean 7-day total: |
7.3 |
% |
(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: |
1654 |
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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1812 |
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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| 181 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
4.9 |
51.4 |
4.1 |
57.7 |
63.0 |
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| 2923 |
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2003 |
52.1 |
3.7 |
44.8 |
7.0 |
22.2 |
905.9 |
1380.4 |
365.1 |
130.5 |
4.1 |
3.3 |
4.1 |
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| 5170 |
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2004 |
8.9 |
7.8 |
27.4 |
321.7 |
1100.4 |
2266.8 |
1195.6 |
107.5 |
121.3 |
4.1 |
4.0 |
4.1 |
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| 1790 |
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2005 |
4.1 |
3.7 |
15.4 |
27.4 |
232.3 |
439.7 |
460.7 |
251.3 |
167.5 |
180.0 |
4.0 |
4.1 |
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| 980 |
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2006 |
2.8 |
35.6 |
12.0 |
155.6 |
203.3 |
385.2 |
103.7 |
9.9 |
56.5 |
15.1 |
0.0 |
0.0 |
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| 1864 |
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2007 |
4.1 |
17.8 |
28.8 |
205.3 |
583.8 |
668.2 |
322.4 |
4.1 |
17.6 |
4.1 |
4.0 |
3.4 |
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| 1571 |
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2008 |
5.6 |
43.6 |
91.4 |
7.8 |
85.0 |
622.2 |
536.3 |
132.7 |
32.0 |
4.1 |
4.0 |
6.9 |
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| 2255 |
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2009 |
20.1 |
96.5 |
8.0 |
19.5 |
237.9 |
1322.9 |
528.7 |
11.4 |
4.0 |
4.1 |
1.6 |
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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