| Site ID: |
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496 |
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Lat. |
35.3601 |
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USA |
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Arkansas |
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| River: |
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White |
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Long. |
-91.4118 |
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| Site name: |
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Augusta |
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Contributing
area: |
52600 |
km2 |
Ratio to Comparison
Station: |
2.26 |
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| Latest measurement: |
12-Nov-09 |
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Mean annual
runoff: |
315 |
mm |
(2003-2007) |
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| Hydrologic status: |
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3 |
Flood |
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Total runoff
this year: |
646 |
mm |
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| Latest M/C ratio: |
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1.91 |
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Seven day
total: |
2 |
mm |
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| Estimated current discharge: |
3839 |
m3/sec |
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Percent of
mean 7-day total: |
1681.3 |
% |
(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: |
4375 |
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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4335 |
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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| 77 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
4.5 |
6.7 |
12.1 |
19.0 |
35.0 |
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| 266 |
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2003 |
24.5 |
31.2 |
40.8 |
11.6 |
98.1 |
20.0 |
7.6 |
1.4 |
0.2 |
0.3 |
8.3 |
22.0 |
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| 280 |
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2004 |
29.1 |
26.5 |
28.2 |
22.3 |
55.0 |
11.5 |
10.3 |
0.3 |
2.2 |
10.3 |
32.3 |
52.3 |
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| 393 |
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2005 |
76.1 |
57.6 |
48.7 |
84.6 |
14.8 |
11.6 |
1.0 |
8.0 |
8.8 |
5.8 |
17.5 |
58.9 |
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| 169 |
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2006 |
21.4 |
25.3 |
34.7 |
16.9 |
35.5 |
8.8 |
8.9 |
7.4 |
4.7 |
5.7 |
0.0 |
0.0 |
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| 467 |
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2007 |
111.0 |
95.2 |
65.9 |
44.1 |
52.7 |
24.4 |
11.3 |
4.0 |
5.8 |
5.5 |
10.9 |
36.3 |
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| 646 |
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2008 |
24.1 |
41.0 |
146.9 |
212.6 |
128.5 |
21.3 |
22.8 |
7.3 |
10.9 |
4.5 |
6.5 |
19.8 |
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| 587 |
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2009 |
18.6 |
60.6 |
47.7 |
69.1 |
117.3 |
42.2 |
34.0 |
32.2 |
12.5 |
60.9 |
91.8 |
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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