Site ID:

2451

Lat.

34.8576

USA

River:

El Mirage Lake

Long.

-117.8480

Site name:

Contributing area:

9087

km2

Ratio to Comparison Station:

0.39

Latest measurement:

8-Nov-09

Mean annual runoff:

696

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

1090

Latest M/C ratio:

1.13

Seven day total:

Estimated current discharge:

105

m3/sec

Percent of mean 7-day total:

76.3

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

Ice-cover determination:

5 yr recurrence flood:

1819

m3/sec

(from Log Pearson III analysis)

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

1746

m3/sec

(from Gumbel Extreme Value analysis)

Comparison Station Information:

Tokwe Confluence D/s C/s (1495240)

Contributing Area:

7280

sq mi

23237

sq km

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

Notes:

Comparison station is placeholder, only; this site is not yet calibrated to actual discharge

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

33.3

2.8

1.9

8.5

6.4

240

2003

15.2

11.4

64.0

50.7

13.9

17.9

12.2

46.4

3.7

1.7

2.3

1.0

115

2004

1.0

13.8

23.1

1.9

5.8

16.9

17.5

19.9

6.9

1.0

6.5

1.0

1389

2005

26.3

24.5

188.1

365.0

309.2

80.6

23.5

70.5

90.4

125.7

37.5

47.4

1026

2006

123.2

44.9

140.3

175.5

106.1

100.5

104.2

100.2

68.4

62.7

0.0

711

2007

22.6

61.2

40.6

38.7

55.5

56.4

69.5

106.6

81.2

62.8

23.4

92.9

1090

2008

134.3

61.7

66.0

72.2

50.4

57.8

133.9

100.1

78.0

81.8

96.5

157.2

868

2009

170.7

197.9

73.6

54.1

34.1

32.1

94.5

88.6

68.3

41.9

12.2

0.0

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