Site ID:

2543

Lat.

26.1981

India

Assam

River:

Dhansiri

Long.

93.8455

Site name:

Naojan

Contributing area:

3436

km2

Ratio to Comparison Station:

0.01

Latest measurement:

11-Oct-09

Mean annual runoff:

511

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

1345

Latest M/C ratio:

0.96

Seven day total:

Estimated current discharge:

m3/sec

Percent of mean 7-day total:

155.6

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

Ice-cover determination:

5 yr recurrence flood:

345

m3/sec

(from Log Pearson III analysis)

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

339

m3/sec

(from Gumbel Extreme Value analysis)

Comparison Station Information:

Pandu (2851300)

Contributing Area:

sq mi

405697

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

2002

no data

0.0

2003

0.0

2004

0.0

839

2005

0.0

8.0

179.4

188.0

22.7

0.0

168.1

63.9

50.0

71.8

86.9

284

2006

46.9

0.0

122.7

65.3

49.1

0.0

1432

2007

88.8

93.4

103.9

139.9

165.7

153.1

214.2

187.8

76.9

55.0

78.3

75.1

1345

2008

96.4

96.3

99.3

89.2

158.2

178.3

202.9

148.6

69.5

53.0

80.1

73.3

1032

2009

82.2

87.6

92.5

90.7

91.9

111.2

175.3

205.0

72.1

23.2

0.0

Mean Annual Runoff:

650

Standard Deviation:

649

Trend in Annual Runoff (slope)

299.16

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