662

Lat.

48.3737

Austria

Niederosterreich

River:

Danube

Long.

15.8705

Site name:

Krems an der Donau

Contributing area:

111547

km2

Ratio to Comparison Station:

0.61

Latest measurement:

13-Nov-09

Mean annual runoff:

437

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

550

Latest M/C ratio:

1.12

Seven day total:

Estimated current discharge:

1889

m3/sec

Percent of mean 7-day total:

111.7

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

Ice-cover determination:

5 yr recurrence flood:

3531

m3/sec

(from Log Pearson III analysis)

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

3499

m3/sec

(from Gumbel Extreme Value analysis)

Comparison Station Information:

Nagymaros (6442500)

Contributing Area:

sq mi

182903

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)

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

174

2002

no data

47.1

31.3

34.9

36.0

25.2

433

2003

26.1

19.8

32.9

35.8

37.1

50.6

58.7

51.0

37.0

31.0

25.4

27.1

455

2004

16.5

31.6

38.7

34.3

44.1

49.3

50.7

50.5

39.1

38.3

31.9

30.0

429

2005

34.4

29.5

29.6

34.1

51.3

46.1

4.1

50.8

42.5

40.0

32.2

34.5

391

2006

30.8

5.7

6.3

26.3

58.4

52.8

58.6

54.4

50.1

47.5

0.0

479

2007

29.5

26.8

32.4

39.4

49.3

53.8

53.5

52.0

40.5

38.4

31.1

31.7

550

2008

20.4

35.7

40.1

48.5

63.2

64.0

60.7

57.8

44.4

43.7

35.1

36.8

465

2009

26.2

13.0

43.1

40.2

59.4

51.6

66.6

58.2

48.6

37.1

21.0

0.0

Mean Annual Runoff:

456

Standard Deviation:

Trend in Annual Runoff (slope)

17.77

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