Site ID:

710

Lat.

47.1004

France

River:

Cher

Long.

2.2934

Site name:

Contributing area:

1728

km2

Ratio to Comparison Station:

0.04

Latest measurement:

13-Nov-09

Mean annual runoff:

391

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

384

Latest M/C ratio:

0.97

Seven day total:

Estimated current discharge:

m3/sec

Percent of mean 7-day total:

64.4

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

Ice-cover determination:

5 yr recurrence flood:

m3/sec

(from Log Pearson III analysis)

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

m3/sec

(from Gumbel Extreme Value analysis)

Comparison Station Information:

Blois (6123300)

Contributing Area:

sq mi

40630

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 comparison of monthly means from a station in the region

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

125

2002

no data

24.2

26.8

24.2

20.7

28.9

425

2003

36.9

28.7

29.9

40.0

54.6

57.0

50.5

28.9

23.8

21.6

21.3

31.5

441

2004

35.7

31.2

37.6

44.8

46.9

47.0

47.1

31.8

29.6

25.3

30.8

33.2

368

2005

35.0

34.0

33.5

36.4

43.2

46.3

6.2

32.1

26.9

23.5

26.0

24.9

318

2006

17.7

15.1

25.7

39.6

54.6

50.9

38.9

30.6

25.4

19.0

0.0

406

2007

22.6

22.8

35.7

45.3

49.6

52.4

44.4

38.0

28.0

28.1

21.5

17.5

384

2008

12.7

17.9

27.1

40.7

46.3

54.1

52.8

34.9

28.3

25.9

21.2

22.2

344

2009

17.3

18.6

26.6

37.6

50.7

51.5

44.2

34.4

26.0

11.1

0.0

Mean Annual Runoff:

390

Standard Deviation:

Trend in Annual Runoff (slope)

-10.8

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