Site ID:

2459

Lat.

35.0511

USA

Arkansas

River:

White

Long.

-91.4496

Site name:

Georgetown

Contributing area:

58123

km2

Ratio to Comparison Station:

2.50

Latest measurement:

8-Nov-09

Mean annual runoff:

291

(2003-2007)

Hydrologic status:

Flood

Total runoff this year:

549

Latest M/C ratio:

1.80

Seven day total:

Estimated current discharge:

3207

m3/sec

Percent of mean 7-day total:

1409.9

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

Ice-cover determination:

5 yr recurrence flood:

3443

m3/sec

(from Log Pearson III analysis)

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

3401

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

1.6

3.2

2.3

12.1

41.1

274

2003

41.8

34.5

69.5

12.2

62.5

28.8

1.8

0.4

0.3

0.2

4.0

17.7

298

2004

23.0

38.6

38.7

26.3

43.6

10.7

7.8

0.7

1.3

9.9

35.7

62.2

347

2005

80.1

56.3

46.4

68.9

17.3

9.5

0.5

2.5

9.7

4.0

13.5

38.4

169

2006

23.0

27.1

30.9

18.4

33.5

11.9

8.3

6.5

5.9

3.7

0.0

367

2007

76.0

71.0

55.2

41.8

23.2

11.6

7.2

7.1

8.8

7.7

17.3

39.6

549

2008

32.6

40.6

108.1

150.7

88.4

30.9

27.8

12.1

13.3

3.4

10.5

30.6

457

2009

30.5

40.3

48.1

64.3

84.3

50.4

22.1

22.0

10.8

42.8

41.3

0.0

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