Site ID:

2571

Lat.

40.2887

USA

River:

Sacramento

Long.

-122.1871

Site name:

Contributing area:

31000

km2

Ratio to Comparison Station:

1.84

Latest measurement:

13-Oct-09

Mean annual runoff:

367

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

953

Latest M/C ratio:

1.05

Seven day total:

Estimated current discharge:

788

m3/sec

Percent of mean 7-day total:

120.6

(today's value compared to mean for same period, 2003-2007)

Ice-cover determination:

5 yr recurrence flood:

1778

m3/sec

(from Log Pearson III analysis)

Status Codes: 1 = Low flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood

1716

m3/sec

(from Gumbel Extreme Value analysis)

Comparison Station Information:

# USGS 11425500 SACRAMENTO R A VERONA CA

Contributing Area:

21251

sq mi

16866

sq km

(Data from this gaging station are used for the calibration to discharge, with an adjustment for different contributing areas)

Notes:

Rating equation is based on daily discharge values for spring, 2008. Further calibration work is needed.

Discharge and runoff, based on satellite remote sensing (NASA AMSR-E data)

(For U.S, sites, nearby ground station discharge may also be shown)

2008-Present

2002-Present

Annual

Monthly Total Runoff (mm), computed from above satellite-based discharge data

Runoff

(mm)

Jan

Feb

Mar

April

May

June

July

Aug

Sept

Oct

Nov

Dec

2002

no data

0.0

2003

0.0

2004

0.0

546

2005

0.0

4.8

61.3

76.8

7.6

0.0

96.0

86.0

84.4

53.2

76.4

332

2006

53.6

0.0

97.9

90.6

90.4

0.0

954

2007

78.6

53.7

80.9

69.9

85.4

88.5

96.7

92.4

78.1

73.5

78.3

77.9

953

2008

76.4

77.7

69.8

66.1

85.7

79.3

96.5

90.8

92.2

80.2

71.1

67.1

796

2009

73.6

70.0

74.6

75.5

87.1

85.2

99.5

99.6

91.2

39.8

0.0

Discharge is estimated directly via a rating equation from the remote sensing data (M/C ratio) shown below.