Site ID:

998

Lat.

41.3207

USA

0

River:

Wallkill

Long.

-74.4835

Site name:

0

Contributing area:

574

km2

Ratio to Comparison Station:

0.02

Latest measurement:

20-Jul-10

Mean annual runoff:

1035

mm

(2003-2009)

Hydrologic status:

2

Normal flow

Total runoff this year (2010):

1358.1

mm

Latest M/C ratio:

1.10

Seven day total:

3.5

mm

Estimated current discharge:

3

m3/sec

Percent of mean 7-day total:

13.6

%

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

5 yr recurrence flood:

772

m3/sec

(from Log Pearson III analysis)

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

739

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