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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.)
Jul-10 09:30 am 6.17 6,542 .8
Jul-10 08:30 am 6.16 6,519 .8
Jul-10 07:30 am 6.16 6,519 .8
Jul-10 06:30 am 6.14 6,474 .8
Jul-10 05:30 am 6.14 6,474 .8
Jul-10 04:30 am 6.10 6,384 .8
Jul-10 03:30 am 6.11 6,407 .8
Jul-10 02:30 am 6.12 6,429 .8
Jul-10 01:30 am 6.14 6,474 .8
Jul-10 12:30 am 6.17 6,542 .8
Jul-09 11:30 pm 6.19 6,587 .8
Jul-09 10:30 pm 6.21 6,632 .8
Jul-09 09:30 pm 6.22 6,655 .8
Jul-09 08:30 pm 6.26 6,745 .8
Jul-09 07:30 pm 6.29 6,813 .8
Jul-09 06:30 pm 6.34 6,927 .8
Jul-09 05:30 pm 6.39 7,040 .9
Jul-09 04:30 pm 6.43 7,131 .9
Jul-09 03:30 pm 6.48 7,245 .9
Jul-09 02:30 pm 6.55 7,404 .9
Jul-09 01:30 pm 6.61 7,541 .9
Jul-09 12:30 pm 6.65 7,633 .9
Jul-09 11:30 am 6.68 7,713 .9
Jul-09 10:30 am 6.72 7,821 .9
Jul-09 09:30 am 6.62 7,564 .9
Report Generated July 10, 2026 09:49 am