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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.)
May-13 05:30 am 18.29 53,942 6.5
May-13 04:30 am 18.38 54,403 6.6
May-13 03:30 am 18.37 54,352 6.5
May-13 02:30 am 18.42 54,609 6.6
May-13 01:30 am 18.39 54,455 6.6
May-13 12:30 am 18.44 54,712 6.6
May-12 11:30 pm 18.48 54,917 6.6
May-12 10:30 pm 18.59 55,485 6.7
May-12 09:30 pm 18.69 56,002 6.7
May-12 08:30 pm 18.83 56,728 6.8
May-12 07:30 pm 18.92 57,197 6.9
May-12 06:30 pm 19.06 57,928 7.0
May-12 05:30 pm 19.18 58,557 7.1
May-12 04:30 pm 19.35 59,452 7.2
May-12 03:30 pm 19.43 59,875 7.2
May-12 02:30 pm 19.57 60,617 7.3
May-12 01:30 pm 19.70 61,308 7.4
May-12 12:30 pm 19.88 62,269 7.5
May-12 11:30 am 20.07 63,289 7.6
May-12 10:30 am 20.29 64,476 7.8
May-12 09:30 am 20.44 65,289 7.9
May-12 08:30 am 20.65 66,433 8.0
May-12 07:30 am 20.84 67,473 8.1
May-12 06:30 am 20.97 68,188 8.2
May-12 05:30 am 21.09 68,850 8.3
Report Generated May 13, 2025 10:06 am