Site ID:

926

Lat.

43.4404

USA

River:

Malheur Lake

Long.

-118.8633

Site name:

Contributing area:

3366

km2

Ratio to Comparison Station:

0.14

Latest measurement:

13-Nov-09

Mean annual runoff:

2844

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

2053

Latest M/C ratio:

1.11

Seven day total:

Estimated current discharge:

m3/sec

Percent of mean 7-day total:

61.5

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

Ice-cover determination:

5 yr recurrence flood:

2471

m3/sec

(from Log Pearson III analysis)

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

2519

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

443

2002

no data

14.1

49.8

155.4

131.3

92.8

1882

2003

32.0

63.3

369.3

290.6

216.7

144.3

92.6

123.0

256.7

116.4

73.5

103.8

2421

2004

438.1

762.7

62.0

464.7

304.4

69.7

54.9

46.3

57.1

64.8

66.3

30.2

1502

2005

34.0

2.4

40.0

55.9

423.3

236.3

13.9

190.6

20.9

53.5

288.7

142.0

6231

2006

208.7

2.4

98.1

1431.1

1769.6

958.3

744.2

507.5

287.3

223.7

0.0

2183

2007

2.6

63.6

176.6

443.7

363.1

173.4

128.0

42.9

23.8

81.0

53.5

630.9

2053

2008

703.1

620.5

19.6

2.6

215.1

196.7

89.9

16.8

15.8

51.1

55.8

65.5

539

2009

5.2

2.7

2.6

12.5

257.4

49.4

69.1

38.0

17.1

57.9

27.3

0.0

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