Merrimack Basin
Station: Lowell, Mass.


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Lowell, Mass. (4147380) Basin Name: Merrimack
River Name: Merrimack Next Downstream Station:None
GRDC Country Code: US Distance to Next Downstream Station: N.A.
Start Year [Month]: 1965 [1] Upstream Station(s): None
End Year [Month]: 1984 [9]
Mean Discharge: 231 m3/s
Minimum Discharge: 25 m3/s
Maximum Discharge: 925 m3/s Length of Upstream Mainstem: 221 km
Mean Interstation Discharge: 231 m3/s Distance to Basin Outlet: 82 km
GRDC Catchment Area: 12005 km2 STN Catchment Area: 11239 km2
GRDC Interstation Area: 12005 km2 STN Interstation Area: 11239 km2
GRDC Station Runoff: 608 mm/yr STN Station Runoff: 649 mm/yr
GRDC Interstation Runoff: 608 mm/yr STN Interstation Runoff: 649 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 204.5 66.0 519.0
Feb 251.8 68.0 515.0
Mar 400.9 152.0 785.0
Apr 564.2 249.0 925.0
May 350.8 141.0 537.0
Jun 203.8 64.0 670.0
Jul 108.8 33.0 411.0
Aug 79.3 25.0 283.0
Sep 66.2 33.0 138.0
Oct 128.9 47.0 357.0
Nov 180.2 55.0 382.0
Dec 238.3 70.0 553.0