Chao Phraya Basin
Station: Nakhon Sawan


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Nakhon Sawan (2964100) Basin Name: Chao Phraya
River Name: Chao Phraya Next Downstream Station:None
GRDC Country Code: TH Distance to Next Downstream Station: N.A.
Start Year [Month]: 1976 [1] Upstream Station(s): Sirikit Dam (2964080)
End Year [Month]: 1994 [3]
Mean Discharge: 647 m3/s
Minimum Discharge: 105 m3/s
Maximum Discharge: 3362 m3/s Length of Upstream Mainstem: 543 km
Mean Interstation Discharge: 471 m3/s Distance to Basin Outlet: 222 km
GRDC Catchment Area: 110569 km2 STN Catchment Area: 117902 km2
GRDC Interstation Area: 97269 km2 STN Interstation Area: 103224 km2
GRDC Station Runoff: 184 mm/yr STN Station Runoff: 173 mm/yr
GRDC Interstation Runoff: 153 mm/yr STN Interstation Runoff: 144 mm/yr
Station Field DescriptionsBasin Field Descriptions


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Site Descriptor Information Station Time Series Data


Hydrograph Station Data
Extreme Values Over Period Of Record
Month MeanQ
m3/s
MinQ
m3/s
MaxQ
m3/s
Jan 269.2 105.0 438.0
Feb 332.6 126.0 472.0
Mar 448.4 161.0 573.0
Apr 473.3 202.0 627.0
May 498.2 248.0 862.0
Jun 551.9 139.0 883.0
Jul 516.3 108.0 1199.0
Aug 732.8 362.0 1596.0
Sep 1091.5 409.0 1900.0
Oct 1381.3 531.0 3362.0
Nov 955.3 332.0 1875.0
Dec 508.5 255.0 906.0