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Ashuelot River at Swanzey
 Total Drainage Area: 316 sq. miles 
 Drainage Area Controlled by Corps Dams: 147 sq. miles (47%) 
 Warning Flow/Stage: 2,920 cfs / 10.0 feet 
 Flood Flow/Stage: 3,850 cfs / 11.0 feet 
Date Time
(Eastern)
Stage
(ft)
Flow
(cfs)
CSM
(cfs / sq. mi.)
Water Temp.
(F)
16 May 2026 01:45 PM 8.38 1,543 4.9  
16 May 2026 01:30 PM 8.38 1,543 4.9  
16 May 2026 01:15 PM 8.37 1,535 4.9  
16 May 2026 01:00 PM 8.38 1,543 4.9  
16 May 2026 12:45 PM 8.38 1,543 4.9  
16 May 2026 12:30 PM 8.38 1,543 4.9  
16 May 2026 12:15 PM 8.38 1,543 4.9  
16 May 2026 12:00 PM 8.39 1,550 4.9  
16 May 2026 11:45 AM 8.39 1,550 4.9  
16 May 2026 11:30 AM 8.38 1,543 4.9  
16 May 2026 11:15 AM 8.39 1,550 4.9  
16 May 2026 11:00 AM 8.39 1,550 4.9  
16 May 2026 10:45 AM 8.39 1,550 4.9  
16 May 2026 10:30 AM 8.40 1,558 4.9  
16 May 2026 10:15 AM 8.39 1,550 4.9  
16 May 2026 10:00 AM 8.41 1,565 5.0  
16 May 2026 09:45 AM 8.40 1,558 4.9  
16 May 2026 09:30 AM 8.40 1,558 4.9  
16 May 2026 09:15 AM 8.39 1,550 4.9  
16 May 2026 09:00 AM 8.40 1,558 4.9  
16 May 2026 08:45 AM 8.40 1,558 4.9  
16 May 2026 08:30 AM 8.40 1,558 4.9  
16 May 2026 08:15 AM 8.41 1,565 5.0  
16 May 2026 08:00 AM 8.40 1,558 4.9  
16 May 2026 07:45 AM 8.40 1,558 4.9  
16 May 2026 07:30 AM 8.40 1,558 4.9  
16 May 2026 07:15 AM 8.40 1,558 4.9  
16 May 2026 07:00 AM 8.40 1,558 4.9  
16 May 2026 06:45 AM 8.41 1,565 5.0  
16 May 2026 06:30 AM 8.41 1,565 5.0  
16 May 2026 06:15 AM 8.42 1,573 5.0  
16 May 2026 06:00 AM 8.42 1,573 5.0  
16 May 2026 05:45 AM 8.42 1,573 5.0  
16 May 2026 05:30 AM 8.41 1,565 5.0  
16 May 2026 05:15 AM 8.41 1,565 5.0  
16 May 2026 05:00 AM 8.41 1,565 5.0  
16 May 2026 04:45 AM 8.42 1,573 5.0  
16 May 2026 04:30 AM 8.41 1,565 5.0  
16 May 2026 04:15 AM 8.41 1,565 5.0  
16 May 2026 04:00 AM 8.41 1,565 5.0  
16 May 2026 03:45 AM 8.42 1,573 5.0  
16 May 2026 03:30 AM 8.40 1,558 4.9  
16 May 2026 03:15 AM 8.41 1,565 5.0  
16 May 2026 03:00 AM 8.41 1,565 5.0  
16 May 2026 02:45 AM 8.41 1,565 5.0  
16 May 2026 02:30 AM 8.41 1,565 5.0  
16 May 2026 02:15 AM 8.40 1,558 4.9  
16 May 2026 02:00 AM 8.40 1,558 4.9  
16 May 2026 01:45 AM 8.40 1,558 4.9  
16 May 2026 01:30 AM 8.40 1,558 4.9  
16 May 2026 01:15 AM 8.41 1,565 5.0  
16 May 2026 01:00 AM 8.39 1,550 4.9  
16 May 2026 12:45 AM 8.40 1,558 4.9  
16 May 2026 12:30 AM 8.39 1,550 4.9  
16 May 2026 12:15 AM 8.40 1,558 4.9  
16 May 2026 12:00 AM 8.39 1,550 4.9  
15 May 2026 11:45 PM 8.39 1,550 4.9  
15 May 2026 11:30 PM 8.39 1,550 4.9  
15 May 2026 11:15 PM 8.38 1,543 4.9  
15 May 2026 11:00 PM 8.38 1,543 4.9  
15 May 2026 10:45 PM 8.37 1,535 4.9  
15 May 2026 10:30 PM 8.37 1,535 4.9  
15 May 2026 10:15 PM 8.37 1,535 4.9  
15 May 2026 10:00 PM 8.36 1,528 4.8  
15 May 2026 09:45 PM 8.36 1,528 4.8  
15 May 2026 09:30 PM 8.36 1,528 4.8  
15 May 2026 09:15 PM 8.35 1,520 4.8  
15 May 2026 09:00 PM 8.35 1,520 4.8  
15 May 2026 08:45 PM 8.34 1,513 4.8  
15 May 2026 08:30 PM 8.34 1,513 4.8  
15 May 2026 08:15 PM 8.34 1,513 4.8  
15 May 2026 08:00 PM 8.34 1,513 4.8  
15 May 2026 07:45 PM 8.34 1,513 4.8  
15 May 2026 07:30 PM 8.33 1,505 4.8  
15 May 2026 07:15 PM 8.33 1,505 4.8  
15 May 2026 07:00 PM 8.32 1,498 4.7  
15 May 2026 06:45 PM 8.33 1,505 4.8  
15 May 2026 06:30 PM 8.32 1,498 4.7  
15 May 2026 06:15 PM 8.31 1,490 4.7  
15 May 2026 06:00 PM 8.30 1,483 4.7  
15 May 2026 05:45 PM 8.31 1,490 4.7  
15 May 2026 05:30 PM 8.29 1,475 4.7  
15 May 2026 05:15 PM 8.29 1,475 4.7  
15 May 2026 05:00 PM 8.29 1,475 4.7  
15 May 2026 04:45 PM 8.28 1,468 4.6  
15 May 2026 04:30 PM 8.27 1,460 4.6  
15 May 2026 04:15 PM 8.27 1,460 4.6  
15 May 2026 04:00 PM 8.27 1,460 4.6  
15 May 2026 03:45 PM 8.26 1,453 4.6  
15 May 2026 03:30 PM 8.25 1,446 4.6  
15 May 2026 03:15 PM 8.24 1,438 4.6  
15 May 2026 03:00 PM 8.24 1,438 4.6  
15 May 2026 02:45 PM 8.23 1,431 4.5  
15 May 2026 02:30 PM 8.22 1,423 4.5  
15 May 2026 02:15 PM 8.21 1,416 4.5  
15 May 2026 02:00 PM 8.20 1,409 4.5  
15 May 2026 01:45 PM 8.19 1,401 4.4  
15 May 2026 01:30 PM 8.18 1,394 4.4  
15 May 2026 01:15 PM 8.17 1,387 4.4  
15 May 2026 01:00 PM 8.16 1,380 4.4  
15 May 2026 12:45 PM 8.14 1,365 4.3  
15 May 2026 12:30 PM 8.13 1,358 4.3  
15 May 2026 12:15 PM 8.12 1,351 4.3  
15 May 2026 12:00 PM 8.11 1,343 4.3  
15 May 2026 11:45 AM 8.10 1,336 4.2  
15 May 2026 11:30 AM 8.09 1,329 4.2  
15 May 2026 11:15 AM 8.08 1,322 4.2  
15 May 2026 11:00 AM 8.06 1,308 4.1  
15 May 2026 10:45 AM 8.05 1,300 4.1  
15 May 2026 10:30 AM 8.04 1,293 4.1  
15 May 2026 10:15 AM 8.03 1,286 4.1  
15 May 2026 10:00 AM 8.02 1,279 4.1  
15 May 2026 09:45 AM 8.02 1,279 4.1  
15 May 2026 09:30 AM 8.00 1,265 4.0  
15 May 2026 09:15 AM 7.99 1,258 4.0  
15 May 2026 09:00 AM 7.98 1,251 4.0  
15 May 2026 08:45 AM 7.97 1,244 3.9  
15 May 2026 08:30 AM 7.96 1,237 3.9  
15 May 2026 08:15 AM 7.94 1,223 3.9  
15 May 2026 08:00 AM 7.93 1,216 3.9  
15 May 2026 07:45 AM 7.92 1,209 3.8  
15 May 2026 07:30 AM 7.90 1,195 3.8  
15 May 2026 07:15 AM 7.90 1,195 3.8  
15 May 2026 07:00 AM 7.88 1,181 3.7  
15 May 2026 06:45 AM 7.87 1,174 3.7  
15 May 2026 06:30 AM 7.85 1,161 3.7  
15 May 2026 06:15 AM 7.84 1,154 3.7  
15 May 2026 06:00 AM 7.83 1,147 3.6  
15 May 2026 05:45 AM 7.81 1,133 3.6  
15 May 2026 05:30 AM 7.80 1,126 3.6  
15 May 2026 05:15 AM 7.79 1,120 3.5  
15 May 2026 05:00 AM 7.77 1,106 3.5  
15 May 2026 04:45 AM 7.75 1,093 3.5  
15 May 2026 04:30 AM 7.74 1,086 3.4  
15 May 2026 04:15 AM 7.73 1,079 3.4  
15 May 2026 04:00 AM 7.71 1,066 3.4  
15 May 2026 03:45 AM 7.69 1,053 3.3  
15 May 2026 03:30 AM 7.68 1,046 3.3  
15 May 2026 03:15 AM 7.66 1,033 3.3  
15 May 2026 03:00 AM 7.65 1,026 3.3  
15 May 2026 02:45 AM 7.63 1,013 3.2  
15 May 2026 02:30 AM 7.61 1,000 3.2  
15 May 2026 02:15 AM 7.60 993 3.1  
15 May 2026 02:00 AM 7.59 987 3.1  
15 May 2026 01:45 AM 7.57 974 3.1  
15 May 2026 01:30 AM 7.55 961 3.0  
15 May 2026 01:15 AM 7.53 948 3.0  
15 May 2026 01:00 AM 7.51 935 3.0  
15 May 2026 12:45 AM 7.49 923 2.9  
15 May 2026 12:30 AM 7.48 916 2.9  
15 May 2026 12:15 AM 7.46 904 2.9  
15 May 2026 12:00 AM 7.43 885 2.8  
14 May 2026 11:45 PM 7.41 872 2.8  
14 May 2026 11:30 PM 7.40 866 2.7  
14 May 2026 11:15 PM 7.38 854 2.7  
14 May 2026 11:00 PM 7.36 841 2.7  
14 May 2026 10:45 PM 7.34 829 2.6  
14 May 2026 10:30 PM 7.32 817 2.6  
14 May 2026 10:15 PM 7.29 799 2.5  
14 May 2026 10:00 PM 7.27 787 2.5  
14 May 2026 09:45 PM 7.25 775 2.5  
14 May 2026 09:30 PM 7.22 757 2.4  
14 May 2026 09:15 PM 7.20 745 2.4  
14 May 2026 09:00 PM 7.18 733 2.3  
14 May 2026 08:45 PM 7.16 721 2.3  
14 May 2026 08:30 PM 7.13 704 2.2  
14 May 2026 08:15 PM 7.12 698 2.2  
14 May 2026 08:00 PM 7.09 681 2.2  
14 May 2026 07:45 PM 7.08 675 2.1  
14 May 2026 07:30 PM 7.05 658 2.1  
14 May 2026 07:15 PM 7.03 647 2.1  
14 May 2026 07:00 PM 7.01 636 2.0  
14 May 2026 06:45 PM 7.00 630 2.0  
14 May 2026 06:30 PM 6.96 612 1.9  
14 May 2026 06:15 PM 6.96 612 1.9  
14 May 2026 06:00 PM 6.93 598 1.9  
Report Generated May 16, 2026 01:56 pm