Site ID:

2545

Lat.

25.7762

India

Assam

River:

Brahmaputra

Long.

89.8730

Site name:

Phulbari

Contributing area:

491421

km2

Ratio to Comparison Station:

1.21

Latest measurement:

11-Oct-09

Mean annual runoff:

461

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

1244

Latest M/C ratio:

2.04

Seven day total:

Estimated current discharge:

29527

m3/sec

Percent of mean 7-day total:

116.2

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

Ice-cover determination:

5 yr recurrence flood:

79126

m3/sec

(from Log Pearson III analysis)

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

62654

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 montly means from a trunk stream 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

722

2005

0.0

1.9

108.2

73.0

11.8

0.0

132.3

143.7

107.0

69.1

74.7

310

2006

38.9

0.0

85.2

91.1

95.2

0.0

1272

2007

65.7

44.4

68.5

78.3

98.3

110.8

131.5

172.6

211.3

126.3

102.1

62.3

1244

2008

69.7

77.4

82.2

91.6

92.9

83.5

143.9

151.8

175.0

116.0

92.1

68.3

889

2009

65.8

69.4

73.1

94.2

94.0

85.0

106.0

142.6

107.4

51.9

0.0

Mean Annual Runoff:

591

Standard Deviation:

581

Trend in Annual Runoff (slope)

253.01

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