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Merrimack River @ Franklin Jct, Nh

Merrimack River at Franklin Junction
 Total Drainage Area: 1,507 sq. miles 
 Drainage Area Controlled by Corps Dams: 1,000 sq. miles (66%) 
 Warning Flow/Stage: 15,900 cfs / 13.0 feet 
 Flood Flow/Stage: 18,100 cfs / 14.0 feet 
Date Time
(Eastern)
Stage
(ft)
Flow
(cfs)
CSM
(cfs / sq. mi.)
Sep-04 06:45 pm 3.83 614 .4
Sep-04 05:45 pm 3.83 614 .4
Sep-04 04:45 pm 3.84 620 .4
Sep-04 03:45 pm 3.83 614 .4
Sep-04 02:45 pm 3.84 620 .4
Sep-04 01:45 pm 3.84 620 .4
Sep-04 12:45 pm 3.83 614 .4
Sep-04 11:45 am 3.83 614 .4
Sep-04 10:45 am 3.83 614 .4
Sep-04 09:45 am 3.83 614 .4
Sep-04 08:45 am 3.84 620 .4
Sep-04 07:45 am 3.84 620 .4
Sep-04 06:45 am 3.84 620 .4
Sep-04 05:45 am 3.84 620 .4
Sep-04 04:45 am 3.84 620 .4
Sep-04 03:45 am 3.84 620 .4
Sep-04 02:45 am 3.85 626 .4
Sep-04 01:45 am 3.85 626 .4
Sep-04 12:45 am 3.86 631 .4
Sep-03 11:45 pm 3.86 631 .4
Sep-03 10:45 pm 3.87 637 .4
Sep-03 09:45 pm 3.89 650 .4
Sep-03 08:45 pm 3.87 637 .4
Sep-03 07:45 pm 3.82 608 .4
Sep-03 06:45 pm 3.82 608 .4
Report Generated September 04, 2026 07:35 pm