| Site ID: |
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2458 |
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Lat. |
36.1443 |
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USA |
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Arkansas |
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| River: |
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Cache |
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Long. |
-90.7528 |
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| Site name: |
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Egypt |
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Contributing
area: |
1020 |
km2 |
Ratio to Comparison
Station: |
0.04 |
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| Latest measurement: |
7-Nov-09 |
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Mean annual
runoff: |
6249 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
15017 |
mm |
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| Latest M/C ratio: |
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1.41 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
1240 |
m3/sec |
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Percent of
mean 7-day total: |
1105.6 |
% |
(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: |
2773 |
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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2763 |
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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| 216 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
6.8 |
7.3 |
8.7 |
33.3 |
160.0 |
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| 1616 |
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2003 |
94.2 |
7.9 |
9.2 |
180.5 |
1097.0 |
115.1 |
8.7 |
8.7 |
8.4 |
8.7 |
7.5 |
70.2 |
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| 1043 |
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2004 |
8.7 |
16.1 |
21.7 |
480.8 |
442.0 |
8.4 |
8.7 |
8.7 |
8.4 |
8.7 |
11.6 |
19.7 |
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| 6662 |
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2005 |
98.6 |
7.9 |
277.1 |
1502.7 |
808.6 |
725.7 |
1.1 |
89.8 |
8.4 |
8.7 |
1523.2 |
1610.5 |
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| 10902 |
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2006 |
1606.9 |
1334.9 |
2452.1 |
660.2 |
2902.8 |
1275.7 |
9.0 |
8.2 |
34.1 |
617.8 |
0.0 |
0.0 |
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| 11023 |
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2007 |
2648.2 |
1100.2 |
673.9 |
567.6 |
1823.5 |
588.5 |
192.9 |
8.7 |
8.4 |
235.3 |
793.7 |
2381.7 |
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| 15017 |
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2008 |
838.7 |
1383.5 |
3541.8 |
4741.3 |
1542.6 |
918.3 |
524.4 |
8.7 |
8.4 |
8.7 |
467.3 |
1032.7 |
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| 14147 |
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2009 |
703.9 |
1915.9 |
1199.5 |
2125.7 |
5584.0 |
961.4 |
377.8 |
8.7 |
8.4 |
276.0 |
985.8 |
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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