Chao Phraya Basin
Station: Sirikit Dam


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Sirikit Dam (2964080) Basin Name: Chao Phraya
River Name: Nan Next Downstream Station:Nakhon Sawan (2964100)
GRDC Country Code: TH Distance to Next Downstream Station: 222 km
Start Year [Month]: 1955 [4] Upstream Station(s): None
End Year [Month]: 1989 [3]
Mean Discharge: 176 m3/s
Minimum Discharge: 11 m3/s
Maximum Discharge: 1531 m3/s Length of Upstream Mainstem: 299 km
Mean Interstation Discharge: 176 m3/s Distance to Basin Outlet: 445 km
GRDC Catchment Area: 13300 km2 STN Catchment Area: 14678 km2
GRDC Interstation Area: 13300 km2 STN Interstation Area: 14678 km2
GRDC Station Runoff: 417 mm/yr STN Station Runoff: 378 mm/yr
GRDC Interstation Runoff: 417 mm/yr STN Interstation Runoff: 378 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 37.7 19.0 75.0
Feb 28.6 14.0 68.0
Mar 26.1 11.0 51.0
Apr 30.0 11.0 74.0
May 62.9 18.0 174.0
Jun 119.3 49.0 258.0
Jul 288.4 53.0 1042.0
Aug 563.6 234.0 1108.0
Sep 584.7 245.0 1531.0
Oct 220.6 98.0 508.0
Nov 96.5 47.0 198.0
Dec 50.1 29.0 87.0