Home Basin Index

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-17 09:30 pm 12.70 27,870 3.4
May-17 08:30 pm 12.73 27,996 3.4
May-17 07:30 pm 13.05 29,341 3.5
May-17 06:30 pm 13.12 29,638 3.6
May-17 05:30 pm 13.21 30,022 3.6
May-17 04:30 pm 13.26 30,235 3.6
May-17 03:30 pm 13.31 30,449 3.7
May-17 02:30 pm 13.37 30,707 3.7
May-17 01:30 pm 13.43 30,965 3.7
May-17 12:30 pm 13.50 31,267 3.8
May-17 11:30 am 13.56 31,527 3.8
May-17 10:30 am 13.63 31,830 3.8
May-17 09:30 am 13.66 31,961 3.9
May-17 08:30 am 13.71 32,178 3.9
May-17 07:30 am 13.78 32,484 3.9
May-17 06:30 am 13.86 32,834 4.0
May-17 05:30 am 13.85 32,791 4.0
May-17 04:30 am 13.81 32,615 3.9
May-17 03:30 am 13.76 32,397 3.9
May-17 02:30 am 13.72 32,222 3.9
May-17 01:30 am 13.65 31,917 3.8
May-17 12:30 am 13.61 31,743 3.8
May-16 11:30 pm 13.56 31,527 3.8
May-16 10:30 pm 13.56 31,527 3.8
May-16 09:30 pm 13.59 31,657 3.8
Report Generated May 17, 2025 09:48 pm