Site ID:

1027

Lat.

29.5706

USA

River:

Marcos

Long.

-97.5496

Site name:

Contributing area:

3494

km2

Ratio to Comparison Station:

0.12

Latest measurement:

29-Jul-10

Mean annual runoff:

(2003-2009)

Hydrologic status:

Normal flow

Total runoff this year (2010):

17.4

Latest M/C ratio:

1.10

Seven day total:

0.6

Estimated current discharge:

m3/sec

Percent of mean 7-day total:

125.0

(today's value compared to mean for same period, 2003-2009)

5 yr recurrence flood:

m3/sec

(from Log Pearson III analysis)

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

m3/sec

(from Gumbel Extreme Value analysis)

Comparison Station Information:

Boluo (2186950)

Contributing Area:

sq mi

28239

sq km

(Data from this gaging station are used for the calibration to discharge, with an adjustment for different contributing areas)

Notes:

Final calibration to discharge has not yet been accomplished.

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

2002

no data

2.1

2.5

2003

2.5

2.3

2.5

2.4

2.5

2.1

2.5

2004

2.5

2.4

2.5

8.2

2.5

2005

2.5

2.3

2.5

0.3

2.5

2006

2.5

2.3

2.5

4.8

2.5

0.0

2007

2.5

2.3

2.5