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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.)
Dec-12 01:30 pm 5.31 4,581 .6
Dec-12 12:30 pm 5.35 4,678 .6
Dec-12 11:30 am 5.40 4,800 .6
Dec-12 10:30 am 5.42 4,849 .6
Dec-12 09:30 am 5.51 5,068 .6
Dec-12 08:30 am 5.43 4,874 .6
Dec-12 07:30 am 5.38 4,751 .6
Dec-12 06:30 am 5.30 4,557 .6
Dec-12 05:30 am 5.19 4,291 .5
Dec-12 04:30 am 5.08 4,029 .5
Dec-12 03:30 am 4.86 3,514 .4
Dec-12 02:30 am 4.79 3,353 .4
Dec-12 01:30 am 4.78 3,330 .4
Dec-12 12:30 am 4.75 3,262 .4
Dec-11 11:30 pm 4.74 3,239 .4
Dec-11 10:30 pm 4.73 3,216 .4
Dec-11 09:30 pm 4.75 3,262 .4
Dec-11 08:30 pm 4.72 3,194 .4
Dec-11 07:30 pm 4.71 3,171 .4
Dec-11 06:30 pm 4.71 3,171 .4
Dec-11 05:30 pm 4.72 3,194 .4
Dec-11 04:30 pm 4.70 3,148 .4
Dec-11 03:30 pm 4.70 3,148 .4
Dec-11 02:30 pm 4.69 3,126 .4
Dec-11 01:30 pm 4.71 3,171 .4
Report Generated December 12, 2025 01:57 pm