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Surry Mountain Dam, Ashuelot River
 Drainage Area: 100 sq. miles 
 Channel Capacity: 1,250 cfs 
 Storage at Spillway Crest: 5.94 in / 31,694 ac-ft  
 Normal Pool: 15 Feet (Summer), 18 Feet (Winter) 
Date (EDT) Pool
(ft)
Storage
(%)
Storage
(ac-ft)
Tailwater
(ft)
Flow
(cfs)
Inflow
(cfs)
Precip
(in)
Air Temp
(F)
17 Jul 2026 04:45 PM             25.16  
17 Jul 2026 04:30 PM 6.39 0.0 0 4.70 14 15 25.16 79.3
17 Jul 2026 04:15 PM 6.39 0.0 0 4.70 14 15 25.16 79.6
17 Jul 2026 04:00 PM 6.39 0.0 0 4.71 15 15 25.16 79.5
17 Jul 2026 03:45 PM 6.39 0.0 0 4.71 15 15 25.16 79.9
17 Jul 2026 03:30 PM 6.39 0.0 0 4.71 15 15 25.16 80.1
17 Jul 2026 03:15 PM 6.39 0.0 0 4.71 15 15 25.16 79.2
17 Jul 2026 03:00 PM 6.39 0.0 0 4.71 15 15 24.97 79.1
17 Jul 2026 02:45 PM 6.39 0.0 0 4.71 15 15 25.16 79.2
17 Jul 2026 02:30 PM 6.39 0.0 0 4.71 15 15 25.16 78.8
17 Jul 2026 02:15 PM 6.39 0.0 0 4.71 15 15 25.16 79.5
17 Jul 2026 02:00 PM 6.39 0.0 0 4.71 15 15 25.16 79.1
17 Jul 2026 01:45 PM 6.39 0.0 0 4.71 15 15 25.16 78.8
17 Jul 2026 01:30 PM 6.39 0.0 0 4.71 15 15 25.16 78.7
17 Jul 2026 01:15 PM 6.39 0.0 0 4.71 15 15 25.16 77.8
17 Jul 2026 01:00 PM 6.39 0.0 0 4.71 15 15 25.16 78.4
17 Jul 2026 12:45 PM 6.39 0.0 0 4.71 15 15 25.16 77.9
17 Jul 2026 12:30 PM 6.39 0.0 0 4.71 15 15 25.16 76.7
17 Jul 2026 12:15 PM 6.39 0.0 0 4.71 15 15 25.16 76.5
17 Jul 2026 12:00 PM 6.39 0.0 0 4.71 15 15 25.16 76.6
17 Jul 2026 11:45 AM 6.39 0.0 0 4.71 15 15 25.16 75.9
17 Jul 2026 11:30 AM 6.39 0.0 0 4.71 15 15 25.16 76.2
17 Jul 2026 11:15 AM 6.39 0.0 0 4.71 15 15 25.16 74.7
17 Jul 2026 11:00 AM 6.39 0.0 0 4.71 15 15 25.16 74.4
17 Jul 2026 10:45 AM 6.39 0.0 0 4.71 15 15 25.16 73.9
17 Jul 2026 10:30 AM 6.39 0.0 0 4.71 15 15 25.16 73.6
17 Jul 2026 10:15 AM 6.39 0.0 0 4.71 15 15 25.16 73.2
17 Jul 2026 10:00 AM 6.39 0.0 0 4.71 15 15 25.16 70.8
17 Jul 2026 09:45 AM 6.39 0.0 0 4.71 15 15 25.16 69.5
17 Jul 2026 09:30 AM 6.39 0.0 0 4.71 15 15 25.16 68.1
17 Jul 2026 09:15 AM 6.39 0.0 0 4.71 15 15 25.16 65.6
17 Jul 2026 09:00 AM 6.39 0.0 0 4.71 15 15 25.16 64.9
17 Jul 2026 08:45 AM 6.39 0.0 0 4.71 15 15 25.16 63.7
17 Jul 2026 08:30 AM 6.39 0.0 0 4.71 15 15 25.16 63.6
17 Jul 2026 08:15 AM 6.39 0.0 0 4.71 15 15 25.16 63.0
17 Jul 2026 08:00 AM 6.39 0.0 0 4.71 15 15 25.16 60.4
17 Jul 2026 07:45 AM 6.39 0.0 0 4.71 15 15 25.16 59.1
17 Jul 2026 07:30 AM 6.39 0.0 0 4.71 15 15 25.16 59.3
17 Jul 2026 07:15 AM 6.39 0.0 0 4.71 15 15 25.16 58.2
17 Jul 2026 07:00 AM 6.39 0.0 0 4.71 15 15 25.16 57.2
17 Jul 2026 06:45 AM 6.38 0.0 0 4.71 15 15 25.16 56.5
17 Jul 2026 06:30 AM 6.39 0.0 0 4.71 15 15 25.16 56.4
17 Jul 2026 06:15 AM 6.39 0.0 0 4.71 15 15 25.16 55.8
17 Jul 2026 06:00 AM 6.39 0.0 0 4.72 15 15 25.16 55.9
17 Jul 2026 05:45 AM 6.39 0.0 0 4.72 15 15 25.16 56.2
17 Jul 2026 05:30 AM 6.39 0.0 0 4.71 15 15 25.16 57.4
17 Jul 2026 05:15 AM 6.39 0.0 0 4.71 15 15 25.16 57.8
17 Jul 2026 05:00 AM 6.39 0.0 0 4.71 15 15 25.16 58.0
17 Jul 2026 04:45 AM 6.39 0.0 0 4.72 15 15 25.16 57.3
17 Jul 2026 04:30 AM 6.39 0.0 0 4.71 15 15 25.16 58.1
17 Jul 2026 04:15 AM 6.39 0.0 0 4.71 15 15 25.16 58.3
17 Jul 2026 04:00 AM 6.39 0.0 0 4.72 15 15 25.16 58.2
17 Jul 2026 03:45 AM 6.39 0.0 0 4.72 15 15 25.16 58.8
17 Jul 2026 03:30 AM 6.39 0.0 0 4.72 15 15 25.16 59.0
17 Jul 2026 03:15 AM 6.39 0.0 0 4.72 15 15 25.16 59.0
17 Jul 2026 03:00 AM 6.39 0.0 0 4.72 15 15 25.16 59.6
17 Jul 2026 02:45 AM 6.39 0.0 0 4.72 15 15 25.16 59.9
17 Jul 2026 02:30 AM 6.39 0.0 0 4.72 15 15 25.16 60.2
17 Jul 2026 02:15 AM 6.39 0.0 0 4.72 15 15 25.16 60.4
17 Jul 2026 02:00 AM 6.39 0.0 0 4.72 15 15 25.16 60.6
17 Jul 2026 01:45 AM 6.39 0.0 0 4.72 15 15 25.16 60.7
17 Jul 2026 01:30 AM 6.39 0.0 0 4.72 15 15 25.16 61.0
17 Jul 2026 01:15 AM 6.39 0.0 0 4.72 15 15 25.16 60.8
17 Jul 2026 01:00 AM 6.39 0.0 0 4.72 15 15 25.16 61.4
17 Jul 2026 12:45 AM 6.39 0.0 0 4.72 15 15 25.16 61.6
17 Jul 2026 12:30 AM 6.39 0.0 0 4.72 15 15 25.16 62.0
17 Jul 2026 12:15 AM 6.39 0.0 0 4.72 15 15 25.16 62.0
17 Jul 2026 12:00 AM 6.39 0.0 0 4.72 15 15 25.16 62.2
16 Jul 2026 11:45 PM 6.39 0.0 0 4.72 15 15 25.16 62.5
16 Jul 2026 11:30 PM 6.39 0.0 0 4.72 15 15 25.16 63.1
16 Jul 2026 11:15 PM 6.39 0.0 0 4.72 15 15 25.16 63.4
16 Jul 2026 11:00 PM 6.39 0.0 0 4.72 15 15 25.16 64.1
16 Jul 2026 10:45 PM 6.39 0.0 0 4.72 15 15 25.16 64.1
16 Jul 2026 10:30 PM 6.39 0.0 0 4.72 15 15 25.16 64.4
16 Jul 2026 10:15 PM 6.39 0.0 0 4.72 15 15 25.16 64.6
16 Jul 2026 10:00 PM 6.39 0.0 0 4.72 15 15 25.16 64.8
16 Jul 2026 09:45 PM 6.39 0.0 0 4.72 15 15 25.16 65.7
16 Jul 2026 09:30 PM 6.39 0.0 0 4.72 15 15 25.16 66.1
16 Jul 2026 09:15 PM 6.39 0.0 0 4.72 15 15 25.16 65.9
16 Jul 2026 09:00 PM 6.39 0.0 0 4.72 15 15 25.16 66.5
16 Jul 2026 08:45 PM 6.39 0.0 0 4.72 15 15 25.16 65.8
16 Jul 2026 08:30 PM 6.39 0.0 0 4.72 15 15 25.16 67.6
16 Jul 2026 08:15 PM 6.39 0.0 0 4.72 15 15 25.16 68.2
16 Jul 2026 08:00 PM 6.39 0.0 0 4.72 15 15 25.16 68.7
16 Jul 2026 07:45 PM 6.39 0.0 0 4.72 15 15 25.16 68.7
16 Jul 2026 07:30 PM 6.39 0.0 0 4.72 15 15 25.16 68.7
16 Jul 2026 07:15 PM 6.39 0.0 0 4.72 15 15 25.16 68.6
16 Jul 2026 07:00 PM 6.39 0.0 0 4.72 15 15 25.16 68.6
16 Jul 2026 06:45 PM 6.39 0.0 0 4.72 15 15 25.16 68.7
16 Jul 2026 06:30 PM 6.39 0.0 0 4.72 15 15 25.16 69.1
16 Jul 2026 06:15 PM 6.39 0.0 0 4.72 15 15 25.16 69.7
16 Jul 2026 06:00 PM 6.39 0.0 0 4.72 15 15 25.16 70.3
16 Jul 2026 05:45 PM 6.39 0.0 0 4.72 15 15 25.16 70.9
16 Jul 2026 05:30 PM 6.39 0.0 0 4.72 15 15 25.14 71.5
16 Jul 2026 05:15 PM 6.39 0.0 0 4.72 15 15 25.12 70.1
16 Jul 2026 05:00 PM 6.39 0.0 0 4.72 15 15 25.10 71.8
16 Jul 2026 04:45 PM 6.39 0.0 0 4.72 15 15 25.10 84.2
16 Jul 2026 04:30 PM 6.39 0.0 0 4.72 15 15 25.10 83.8
16 Jul 2026 04:15 PM 6.39 0.0 0 4.72 15 15 25.10 83.9
16 Jul 2026 04:00 PM 6.39 0.0 0 4.72 15 15 25.10 83.8
16 Jul 2026 03:45 PM 6.39 0.0 0 4.72 15 15 25.10 83.8
16 Jul 2026 03:30 PM 6.39 0.0 0 4.72 15 15 25.10 83.3
16 Jul 2026 03:15 PM 6.39 0.0 0 4.72 15 15 25.10 83.7
16 Jul 2026 03:00 PM 6.39 0.0 0 4.72 15 15 25.10 84.3
16 Jul 2026 02:45 PM 6.39 0.0 0 4.72 15 15 25.10 85.9
16 Jul 2026 02:30 PM 6.39 0.0 0 4.72 15 15 25.10 85.4
16 Jul 2026 02:15 PM 6.39 0.0 0 4.72 15 15 25.10 86.2
16 Jul 2026 02:00 PM 6.39 0.0 0 4.72 15 15 25.10 84.8
16 Jul 2026 01:45 PM 6.39 0.0 0 4.72 15 15 25.10 85.9
16 Jul 2026 01:30 PM 6.39 0.0 0 4.72 15 15 25.10 86.2
16 Jul 2026 01:15 PM 6.39 0.0 0 4.72 15 15 25.10 86.3
16 Jul 2026 01:00 PM 6.39 0.0 0 4.72 15 15 25.10 85.8
16 Jul 2026 12:45 PM 6.39 0.0 0 4.72 15 15 25.10 86.3
16 Jul 2026 12:30 PM 6.39 0.0 0 4.72 15 15 25.10 86.1
16 Jul 2026 12:15 PM 6.39 0.0 0 4.72 15 15 25.10 85.9
16 Jul 2026 12:00 PM 6.39 0.0 0 4.72 15 15 25.10 84.7
16 Jul 2026 11:45 AM 6.39 0.0 0 4.72 15 15 25.10 83.9
16 Jul 2026 11:30 AM 6.39 0.0 0 4.72 15 15 25.10 84.2
16 Jul 2026 11:15 AM 6.39 0.0 0 4.72 15 15 25.10 83.9
16 Jul 2026 11:00 AM 6.39 0.0 0 4.72 15 15 25.10 83.4
16 Jul 2026 10:45 AM 6.39 0.0 0 4.72 15 15 25.10 82.3
16 Jul 2026 10:30 AM 6.39 0.0 0 4.72 15 15 25.10 79.1
16 Jul 2026 10:15 AM 6.39 0.0 0 4.72 15 15 25.10 78.8
16 Jul 2026 10:00 AM 6.39 0.0 0 4.72 15 15 25.10 75.9
16 Jul 2026 09:45 AM 6.39 0.0 0 4.72 15 15 25.10 74.4
16 Jul 2026 09:30 AM 6.39 0.0 0 4.72 15 15 25.10 72.2
16 Jul 2026 09:15 AM 6.39 0.0 0 4.72 15 15 25.10 71.8
16 Jul 2026 09:00 AM 6.39 0.0 0 4.72 15 15 25.10 70.1
16 Jul 2026 08:45 AM 6.39 0.0 0 4.72 15 15 25.10 68.4
16 Jul 2026 08:30 AM 6.39 0.0 0       25.10  
16 Jul 2026 08:15 AM 6.39 0.0 0       25.10  
16 Jul 2026 08:00 AM 6.39 0.0 0       25.10  
16 Jul 2026 07:45 AM 6.39 0.0 0       25.10  
16 Jul 2026 07:30 AM 6.39 0.0 0       25.10  
16 Jul 2026 07:15 AM 6.39 0.0 0       25.10  
16 Jul 2026 07:00 AM 6.39 0.0 0       25.10  
16 Jul 2026 06:45 AM 6.39 0.0 0       25.10  
16 Jul 2026 06:30 AM 6.39 0.0 0       25.10  
16 Jul 2026 06:15 AM 6.39 0.0 0       25.10  
16 Jul 2026 06:00 AM 6.39 0.0 0       25.10  
16 Jul 2026 05:45 AM 6.39 0.0 0       25.10  
16 Jul 2026 05:30 AM 6.39 0.0 0       25.10  
16 Jul 2026 05:15 AM 6.39 0.0 0       25.10  
16 Jul 2026 05:00 AM 6.39 0.0 0       25.10  
16 Jul 2026 04:45 AM 6.39 0.0 0       25.10  
16 Jul 2026 04:30 AM 6.39 0.0 0       25.10  
16 Jul 2026 04:15 AM 6.39 0.0 0       25.10  
16 Jul 2026 04:00 AM 6.39 0.0 0       25.10  
16 Jul 2026 03:45 AM 6.39 0.0 0       25.10  
16 Jul 2026 03:30 AM 6.39 0.0 0       25.10  
16 Jul 2026 03:15 AM 6.39 0.0 0       25.10  
16 Jul 2026 03:00 AM 6.39 0.0 0       25.10  
16 Jul 2026 02:45 AM 6.39 0.0 0       25.10  
16 Jul 2026 02:30 AM 6.39 0.0 0       25.10  
16 Jul 2026 02:15 AM 6.39 0.0 0       25.10  
16 Jul 2026 02:00 AM 6.39 0.0 0       25.10  
16 Jul 2026 01:45 AM 6.39 0.0 0       25.10  
16 Jul 2026 01:30 AM 6.39 0.0 0       25.10  
16 Jul 2026 01:15 AM 6.39 0.0 0       25.10  
16 Jul 2026 01:00 AM 6.39 0.0 0       25.10  
16 Jul 2026 12:45 AM 6.39 0.0 0       25.10  
16 Jul 2026 12:30 AM 6.39 0.0 0       25.10  
16 Jul 2026 12:15 AM 6.39 0.0 0       25.10  
16 Jul 2026 12:00 AM 6.39 0.0 0       25.10  
15 Jul 2026 11:45 PM 6.39 0.0 0       25.10  
15 Jul 2026 11:30 PM 6.39 0.0 0       25.10  
15 Jul 2026 11:15 PM 6.39 0.0 0       25.10  
15 Jul 2026 11:00 PM 6.39 0.0 0       25.10  
15 Jul 2026 10:45 PM 6.39 0.0 0       25.10  
15 Jul 2026 10:30 PM 6.39 0.0 0       25.10  
15 Jul 2026 10:15 PM 6.39 0.0 0       25.10  
15 Jul 2026 10:00 PM 6.39 0.0 0       25.10  
15 Jul 2026 09:45 PM 6.39 0.0 0       25.10  
15 Jul 2026 09:30 PM 6.39 0.0 0       25.10  
15 Jul 2026 09:15 PM 6.39 0.0 0       25.10  
15 Jul 2026 09:00 PM 6.39 0.0 0       25.10  
Report Generated 17 Jul 2026 04:56 PM