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Merrimack River @ Goffs Falls, Nh
Merrimack River at Goffs Falls
 Total Drainage Area: 3,092 sq. miles 
 Drainage Area Controlled by Corps Dams: 1,619 sq. miles (52%) 
 Warning Flow/Stage: 36,400 cfs / 12.0 feet 
 Flood Flow/Stage: 46,200 cfs / 14.0 feet 
Date Time
(Eastern)		 Stage
(ft)		 Flow
(cfs)		 CSM
(cfs / sq. mi.)
Sep-04 06:30 pm 3.25 1,382 .5
Sep-04 05:30 pm 3.32 1,473 .5
Sep-04 04:30 pm 3.36 1,527 .5
Sep-04 03:30 pm 3.41 1,596 .5
Sep-04 02:30 pm 3.46 1,666 .5
Sep-04 01:30 pm 3.49 1,709 .6
Sep-04 12:30 pm 3.39 1,568 .5
Sep-04 11:30 am 3.05 1,141 .4
Sep-04 10:30 am 2.71 793 .3
Sep-04 09:30 am 2.57 671 .2
Sep-04 08:30 am 2.43 561 .2
Sep-04 07:30 am 2.27 450 .2
Sep-04 06:30 am 2.26 444 .1
Sep-04 05:30 am 2.27 450 .2
Sep-04 04:30 am 2.28 457 .2
Sep-04 03:30 am 2.29 463 .2
Sep-04 02:30 am 2.30 470 .2
Sep-04 01:30 am 2.31 477 .2
Sep-04 12:30 am 2.33 490 .2
Sep-03 11:30 pm 2.36 511 .2
Sep-03 10:30 pm 2.41 547 .2
Sep-03 09:30 pm 2.50 615 .2
Sep-03 08:30 pm 2.67 757 .2
Sep-03 07:30 pm 2.92 999 .3
Sep-03 06:30 pm 3.17 1,282 .4
Report Generated September 04, 2026 11:02 pm