| Site ID: |
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948 |
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Lat. |
48.3331 |
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USA |
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Minnesota |
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| River: |
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Mud Lake |
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Long. |
-95.9304 |
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| Site name: |
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Thief River Falls |
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Contributing
area: |
2262 |
km2 |
Ratio to Comparison
Station: |
0.10 |
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| Latest measurement: |
28-Oct-09 |
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Mean annual
runoff: |
2712 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
2091 |
mm |
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| Latest M/C ratio: |
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1.18 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
277 |
m3/sec |
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Percent of
mean 7-day total: |
133.1 |
% |
(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: |
1475 |
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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1454 |
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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| 643 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
278.5 |
269.1 |
88.1 |
3.8 |
3.9 |
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| 1738 |
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2003 |
3.9 |
3.6 |
61.8 |
338.0 |
516.7 |
396.0 |
167.3 |
70.6 |
73.7 |
90.4 |
11.7 |
3.9 |
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| 2098 |
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2004 |
3.9 |
5.9 |
12.6 |
88.1 |
572.1 |
970.3 |
233.3 |
26.1 |
89.6 |
17.5 |
24.9 |
53.6 |
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| 3339 |
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2005 |
7.7 |
57.2 |
32.0 |
222.1 |
779.2 |
519.2 |
73.5 |
568.1 |
437.1 |
430.3 |
68.8 |
143.7 |
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| 3616 |
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2006 |
10.0 |
3.6 |
3.9 |
508.3 |
776.2 |
665.5 |
507.3 |
545.0 |
355.9 |
240.2 |
0.0 |
0.0 |
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| 2768 |
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2007 |
88.8 |
12.7 |
35.9 |
234.6 |
608.0 |
119.9 |
490.8 |
466.9 |
308.0 |
275.0 |
123.5 |
3.7 |
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| 2091 |
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2008 |
11.7 |
3.7 |
3.9 |
29.9 |
408.9 |
333.0 |
391.8 |
413.1 |
261.3 |
180.7 |
49.6 |
3.9 |
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| 2461 |
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2009 |
3.9 |
3.6 |
3.9 |
67.5 |
564.4 |
566.6 |
489.6 |
259.9 |
272.0 |
229.4 |
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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