| Site ID: |
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542 |
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Lat. |
37.6625 |
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USA |
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0 |
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| River: |
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San Joaquin |
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Long. |
-121.2262 |
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| Site name: |
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0 |
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Contributing
area: |
35000 |
km2 |
Ratio to Comparison
Station: |
1.00 |
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| Latest measurement: |
12-Nov-09 |
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Mean annual
runoff: |
350 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
310 |
mm |
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| Latest M/C ratio: |
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1.13 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
120 |
m3/sec |
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Percent of
mean 7-day total: |
83.6 |
% |
(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: |
1151 |
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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1328 |
m3/sec |
(from Gumbel Extreme Value
analysis) |
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| Comparison Station Information: |
# USGS 11303500 SAN JOAQUIN R NR VERNALIS
CA |
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Contributing
Area: |
13536 |
sq mi |
35057 |
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: |
Rating equation is based
on comparison of 4-day running means. New watershed area for site needed. |
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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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| 126 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
24.4 |
20.6 |
16.4 |
30.3 |
34.4 |
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| 324 |
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2003 |
39.0 |
23.5 |
24.7 |
16.6 |
29.3 |
30.1 |
39.0 |
21.7 |
28.5 |
22.5 |
21.8 |
27.1 |
