| Site ID: |
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877 |
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Lat. |
60.8027 |
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USA |
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Alaska |
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| River: |
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Kuskokuim Mouth |
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Long. |
-161.5407 |
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| Site name: |
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Kwethluk |
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Contributing
area: |
111278 |
km2 |
Ratio to Comparison
Station: |
4.79 |
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| Latest measurement: |
12-Nov-09 |
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Mean annual
runoff: |
136 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
137 |
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: |
2.4 |
% |
(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: |
2262 |
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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2294 |
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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| 55 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
13.4 |
13.3 |
14.5 |
10.1 |
3.7 |
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| 142 |
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2003 |
12.3 |
9.8 |
2.3 |
1.0 |
19.9 |
22.8 |
19.5 |
17.9 |
18.8 |
13.6 |
3.6 |
0.1 |
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| 120 |
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2004 |
0.1 |
0.1 |
0.2 |
0.2 |
23.2 |
22.4 |
21.9 |
20.2 |
14.5 |
16.9 |
0.3 |
0.4 |
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| 157 |
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2005 |
0.1 |
0.1 |
0.5 |
1.1 |
42.5 |
37.2 |
22.9 |
20.3 |
17.1 |
12.9 |
2.0 |
0.1 |
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| 140 |
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2006 |
0.1 |
0.5 |
0.1 |
0.3 |
18.0 |
38.3 |
23.1 |
17.9 |
20.2 |
21.4 |
0.0 |
0.0 |
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| 120 |
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2007 |
0.5 |
6.0 |
0.1 |
1.4 |
17.5 |
20.2 |
18.2 |
20.9 |
18.4 |
13.7 |
1.8 |
1.3 |
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| 137 |
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2008 |
0.1 |
0.1 |
0.1 |
1.7 |
22.1 |
24.4 |
20.8 |
19.3 |
15.8 |
11.9 |
8.7 |
12.2 |
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| 188 |
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2009 |
12.0 |
8.6 |
10.9 |
5.6 |
42.9 |
33.8 |
22.8 |
19.9 |
17.5 |
14.2 |
0.0 |
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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