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Connecticut River @ Holyoke, Ma
Connecticut River at Holyoke
 Total Drainage Area: 8,309 sq. miles 
 Drainage Area Controlled by Corps Dams: 1,154 sq. miles (14%) 
 Warning Flow/Stage: 73,900 cfs / 22.0 feet 
 Flood Flow/Stage: 100,643 cfs / 26.5 feet 
Date Time
(Eastern)		 Stage
(ft)		 Flow
(cfs)		 CSM
(cfs / sq. mi.)
Apr-13 03:30 am 11.54 23,132 2.8
Apr-13 02:30 am 11.58 23,293 2.8
Apr-13 01:30 am 11.92 24,672 3.0
Apr-13 12:30 am 11.95 24,795 3.0
Apr-12 11:30 pm 11.99 24,959 3.0
Apr-12 10:30 pm 12.04 25,161 3.0
Apr-12 09:30 pm 12.08 25,323 3.1
Apr-12 08:30 pm 12.11 25,445 3.1
Apr-12 07:30 pm 12.14 25,566 3.1
Apr-12 06:30 pm 12.13 25,526 3.1
Apr-12 05:30 pm 12.12 25,485 3.1
Apr-12 04:30 pm 12.04 25,161 3.0
Apr-12 03:30 pm 11.68 23,696 2.9
Apr-12 02:30 pm 11.68 23,696 2.9
Apr-12 01:30 pm 11.63 23,494 2.8
Apr-12 12:30 pm 11.60 23,373 2.8
Apr-12 11:30 am 11.57 23,252 2.8
Apr-12 10:30 am 11.55 23,172 2.8
Apr-12 09:30 am 11.61 23,413 2.8
Apr-12 08:30 am 11.88 24,508 3.0
Apr-12 07:30 am 11.89 24,549 3.0
Apr-12 06:30 am 11.90 24,590 3.0
Apr-12 05:30 am 11.91 24,631 3.0
Apr-12 04:30 am 11.93 24,713 3.0
Apr-12 03:30 am 11.95 24,795 3.0
Report Generated April 13, 2026 07:51 am