Site ID:

566

Lat.

46.8391

France

River:

Allier

Long.

3.0499

Site name:

Contributing area:

14299

km2

Ratio to Comparison Station:

0.35

Latest measurement:

12-Nov-09

Mean annual runoff:

381

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

433

Latest M/C ratio:

1.01

Seven day total:

Estimated current discharge:

205

m3/sec

Percent of mean 7-day total:

49.7

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

Ice-cover determination:

5 yr recurrence flood:

462

m3/sec

(from Log Pearson III analysis)

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

458

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 montly means from a distant 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

135

2002

no data

29.8

30.2

28.1

20.8

26.3

387

2003

24.2

30.2

30.1

39.2

34.9

31.7

39.6

43.5

28.6

30.8

17.6

36.0

374

2004

26.8

23.2

25.5

31.1

44.1

39.0

31.8

34.1

31.2

26.5

29.7

31.0

358

2005

23.6

21.3

31.1

41.1

52.0

50.3

4.7

30.2

30.1

29.6

25.7

18.9

350

2006

28.3

24.0

26.5

41.1

43.8

54.7

51.8

31.5

30.1

18.0

0.0

438

2007

10.7

13.4

31.4

54.2

55.2

49.6

48.3

43.0

45.4

39.0

23.7

24.0

433

2008

10.0

23.0

25.5

42.8

54.4

54.3

60.6

41.5

42.0

32.9

26.0

19.7

403

2009

23.8

24.5

29.0

44.1

55.2

49.4

46.9

48.9

39.0

29.6

12.4

0.0

Mean Annual Runoff:

390

Standard Deviation:

Trend in Annual Runoff (slope)

-3.5

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