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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.



Hydrograph River at a Glance Download
Contoocook River at Peterborough Stage (ft)Flow (kcfs)Observed: 2.21 ft at 7:45PM Sep 19, 2023Observed: 2.21 ft at 8:00PM Sep 19, 2023Observed: 2.21 ft at 8:15PM Sep 19, 2023Highest Observation: 2.22 ft at 8:30PM Sep 19, 2023Observed: 2.2 ft at 8:45PM Sep 19, 2023Observed: 2.21 ft at 9:00PM Sep 19, 2023Observed: 2.21 ft at 9:15PM Sep 19, 2023Observed: 2.2 ft at 9:30PM Sep 19, 2023Observed: 2.2 ft at 10:45PM Sep 19, 2023Observed: 2.19 ft at 11:00PM Sep 19, 2023Observed: 2.19 ft at 11:15PM Sep 19, 2023Observed: 2.19 ft at 11:30PM Sep 19, 2023Observed: 2.18 ft at 11:45PM Sep 19, 2023Observed: 2.19 ft at 12:00AM Sep 20, 2023Observed: 2.18 ft at 12:15AM Sep 20, 2023Observed: 2.18 ft at 12:16AM Sep 20, 2023Observed: 2.18 ft at 12:30AM Sep 20, 2023Observed: 2.17 ft at 12:45AM Sep 20, 2023Observed: 2.17 ft at 1:00AM Sep 20, 2023Observed: 2.17 ft at 1:15AM Sep 20, 2023Observed: 2.16 ft at 1:30AM Sep 20, 2023Observed: 2.17 ft at 1:45AM Sep 20, 2023Observed: 2.17 ft at 2:00AM Sep 20, 2023Observed: 2.16 ft at 2:15AM Sep 20, 2023Observed: 2.16 ft at 2:30AM Sep 20, 2023Observed: 2.16 ft at 2:45AM Sep 20, 2023Observed: 2.15 ft at 3:00AM Sep 20, 2023Observed: 2.15 ft at 3:15AM Sep 20, 2023Observed: 2.15 ft at 3:30AM Sep 20, 2023Observed: 2.15 ft at 3:45AM Sep 20, 2023Observed: 2.15 ft at 4:00AM Sep 20, 2023Observed: 2.14 ft at 4:15AM Sep 20, 2023Observed: 2.14 ft at 4:30AM Sep 20, 2023Observed: 2.14 ft at 4:45AM Sep 20, 2023Observed: 2.13 ft at 5:00AM Sep 20, 2023Observed: 2.13 ft at 5:15AM Sep 20, 2023Observed: 2.13 ft at 5:30AM Sep 20, 2023Observed: 2.13 ft at 5:45AM Sep 20, 2023Observed: 2.12 ft at 6:00AM Sep 20, 2023Observed: 2.12 ft at 6:15AM Sep 20, 2023Observed: 2.12 ft at 6:30AM Sep 20, 2023Observed: 2.11 ft at 6:45AM Sep 20, 2023Observed: 2.11 ft at 7:00AM Sep 20, 2023Observed: 2.11 ft at 7:15AM Sep 20, 2023Observed: 2.11 ft at 7:30AM Sep 20, 2023Observed: 2.11 ft at 7:45AM Sep 20, 2023Observed: 2.11 ft at 8:00AM Sep 20, 2023Observed: 2.1 ft at 8:15AM Sep 20, 2023Observed: 2.1 ft at 8:16AM Sep 20, 2023Observed: 2.1 ft at 8:30AM Sep 20, 2023Observed: 2.09 ft at 8:45AM Sep 20, 2023Observed: 2.09 ft at 9:00AM Sep 20, 2023Observed: 2.09 ft at 9:15AM Sep 20, 2023Observed: 2.09 ft at 9:30AM Sep 20, 2023Observed: 2.08 ft at 9:45AM Sep 20, 2023Observed: 2.08 ft at 10:00AM Sep 20, 2023Observed: 2.07 ft at 10:15AM Sep 20, 2023Observed: 2.07 ft at 10:30AM Sep 20, 2023Observed: 2.07 ft at 10:45AM Sep 20, 2023Observed: 2.07 ft at 11:00AM Sep 20, 2023Observed: 2.06 ft at 11:15AM Sep 20, 2023Observed: 2.07 ft at 11:30AM Sep 20, 2023Observed: 2.07 ft at 11:45AM Sep 20, 2023Observed: 2.06 ft at 12:00PM Sep 20, 2023Observed: 2.06 ft at 12:15PM Sep 20, 2023Observed: 2.06 ft at 12:30PM Sep 20, 2023Observed: 2.05 ft at 12:45PM Sep 20, 2023Observed: 2.05 ft at 1:00PM Sep 20, 2023Observed: 2.05 ft at 1:15PM Sep 20, 2023Observed: 2.05 ft at 1:30PM Sep 20, 2023Observed: 2.05 ft at 1:45PM Sep 20, 2023Observed: 2.04 ft at 2:00PM Sep 20, 2023Observed: 2.03 ft at 2:15PM Sep 20, 2023Observed: 2.04 ft at 2:30PM Sep 20, 2023Observed: 2.03 ft at 2:45PM Sep 20, 2023Observed: 2.03 ft at 3:00PM Sep 20, 2023Observed: 2.03 ft at 3:15PM Sep 20, 2023Observed: 2.02 ft at 3:30PM Sep 20, 2023Observed: 2.02 ft at 3:45PM Sep 20, 2023Observed: 2.02 ft at 4:00PM Sep 20, 2023Observed: 2.02 ft at 4:15PM Sep 20, 2023Observed: 2.02 ft at 4:16PM Sep 20, 2023Observed: 2.01 ft at 4:30PM Sep 20, 2023Observed: 2.01 ft at 4:45PM Sep 20, 2023Observed: 2.01 ft at 5:00PM Sep 20, 2023Observed: 2 ft at 5:15PM Sep 20, 2023Observed: 2.01 ft at 5:30PM Sep 20, 2023Observed: 2 ft at 5:45PM Sep 20, 2023Observed: 2 ft at 6:00PM Sep 20, 2023Observed: 2 ft at 6:15PM Sep 20, 2023Observed: 2 ft at 6:30PM Sep 20, 2023Observed: 1.99 ft at 6:45PM Sep 20, 2023Observed: 1.99 ft at 7:00PM Sep 20, 2023Observed: 1.98 ft at 7:15PM Sep 20, 2023Observed: 1.98 ft at 7:30PM Sep 20, 2023Observed: 1.98 ft at 7:45PM Sep 20, 2023Observed: 1.98 ft at 8:00PM Sep 20, 2023Observed: 1.98 ft at 8:15PM Sep 20, 2023Observed: 1.97 ft at 8:30PM Sep 20, 2023Observed: 1.97 ft at 8:45PM Sep 20, 2023Observed: 1.97 ft at 9:00PM Sep 20, 2023Observed: 1.97 ft at 9:15PM Sep 20, 2023Observed: 1.96 ft at 9:30PM Sep 20, 2023Observed: 1.96 ft at 9:45PM Sep 20, 2023Observed: 1.96 ft at 10:00PM Sep 20, 2023Observed: 1.96 ft at 10:15PM Sep 20, 2023Observed: 1.96 ft at 10:30PM Sep 20, 2023Observed: 1.95 ft at 10:45PM Sep 20, 2023Observed: 1.94 ft at 11:00PM Sep 20, 2023Observed: 1.95 ft at 11:15PM Sep 20, 2023Observed: 1.95 ft at 11:30PM Sep 20, 2023Observed: 1.95 ft at 11:45PM Sep 20, 2023Observed: 1.95 ft at 12:00AM Sep 21, 2023Observed: 1.94 ft at 12:15AM Sep 21, 2023Observed: 1.94 ft at 12:16AM Sep 21, 2023Observed: 1.93 ft at 12:30AM Sep 21, 2023Observed: 1.94 ft at 12:45AM Sep 21, 2023Observed: 1.93 ft at 1:00AM Sep 21, 2023Observed: 1.93 ft at 1:15AM Sep 21, 2023Observed: 1.93 ft at 1:30AM Sep 21, 2023Observed: 1.93 ft at 1:45AM Sep 21, 2023Observed: 1.92 ft at 2:00AM Sep 21, 2023Observed: 1.92 ft at 2:15AM Sep 21, 2023Observed: 1.92 ft at 2:30AM Sep 21, 2023Observed: 1.92 ft at 2:45AM Sep 21, 2023Observed: 1.92 ft at 3:00AM Sep 21, 2023Observed: 1.92 ft at 3:15AM Sep 21, 2023Observed: 1.91 ft at 3:30AM Sep 21, 2023Observed: 1.91 ft at 3:45AM Sep 21, 2023Observed: 1.91 ft at 4:00AM Sep 21, 2023Observed: 1.91 ft at 4:15AM Sep 21, 2023Observed: 1.9 ft at 4:30AM Sep 21, 2023Observed: 1.9 ft at 4:45AM Sep 21, 2023Observed: 1.9 ft at 5:00AM Sep 21, 2023Observed: 1.9 ft at 5:15AM Sep 21, 2023Observed: 1.9 ft at 5:30AM Sep 21, 2023Observed: 1.89 ft at 5:45AM Sep 21, 2023Observed: 1.89 ft at 6:00AM Sep 21, 2023Observed: 1.9 ft at 6:15AM Sep 21, 2023Observed: 1.89 ft at 6:30AM Sep 21, 2023Observed: 1.88 ft at 6:45AM Sep 21, 2023Observed: 1.89 ft at 7:00AM Sep 21, 2023Observed: 1.89 ft at 7:15AM Sep 21, 2023Observed: 1.89 ft at 7:30AM Sep 21, 2023Observed: 1.88 ft at 7:45AM Sep 21, 2023Observed: 1.88 ft at 8:00AM Sep 21, 2023Observed: 1.88 ft at 8:15AM Sep 21, 2023Observed: 1.88 ft at 8:16AM Sep 21, 2023Observed: 1.88 ft at 8:30AM Sep 21, 2023Observed: 1.87 ft at 8:45AM Sep 21, 2023Observed: 1.88 ft at 9:00AM Sep 21, 2023Observed: 1.87 ft at 9:15AM Sep 21, 2023Observed: 1.87 ft at 9:30AM Sep 21, 2023Observed: 1.87 ft at 9:45AM Sep 21, 2023Observed: 1.87 ft at 10:00AM Sep 21, 2023Observed: 1.87 ft at 10:15AM Sep 21, 2023Observed: 1.86 ft at 10:30AM Sep 21, 2023Observed: 1.87 ft at 10:45AM Sep 21, 2023Observed: 1.87 ft at 11:00AM Sep 21, 2023Observed: 1.87 ft at 11:15AM Sep 21, 2023Observed: 1.86 ft at 11:30AM Sep 21, 2023Observed: 1.86 ft at 11:45AM Sep 21, 2023Observed: 1.86 ft at 12:00PM Sep 21, 2023Observed: 1.85 ft at 12:15PM Sep 21, 2023Observed: 1.85 ft at 12:30PM Sep 21, 2023Observed: 1.85 ft at 12:45PM Sep 21, 2023Observed: 1.84 ft at 1:00PM Sep 21, 2023Observed: 1.85 ft at 1:15PM Sep 21, 2023Observed: 1.85 ft at 1:30PM Sep 21, 2023Observed: 1.84 ft at 1:45PM Sep 21, 2023Observed: 1.84 ft at 2:00PM Sep 21, 2023Observed: 1.84 ft at 2:15PM Sep 21, 2023Observed: 1.83 ft at 2:30PM Sep 21, 2023Observed: 1.84 ft at 2:45PM Sep 21, 2023Observed: 1.59 ft at 3:00PM Sep 21, 2023Observed: 1.64 ft at 3:15PM Sep 21, 2023Observed: 1.68 ft at 3:30PM Sep 21, 2023Observed: 1.72 ft at 3:45PM Sep 21, 2023Observed: 1.74 ft at 4:00PM Sep 21, 2023Observed: 1.76 ft at 4:15PM Sep 21, 2023Observed: 1.76 ft at 4:16PM Sep 21, 2023Observed: 1.77 ft at 4:30PM Sep 21, 2023Observed: 1.79 ft at 4:45PM Sep 21, 2023Observed: 1.79 ft at 5:00PM Sep 21, 2023Observed: 1.8 ft at 5:15PM Sep 21, 2023Observed: 1.8 ft at 5:30PM Sep 21, 2023Observed: 1.81 ft at 5:45PM Sep 21, 2023Observed: 1.81 ft at 6:00PM Sep 21, 2023Observed: 1.81 ft at 6:15PM Sep 21, 2023Observed: 1.82 ft at 6:30PM Sep 21, 2023Observed: 1.81 ft at 6:45PM Sep 21, 2023Observed: 1.81 ft at 7:00PM Sep 21, 2023Observed: 1.81 ft at 7:15PM Sep 21, 2023Observed: 1.81 ft at 7:30PM Sep 21, 2023Observed: 1.81 ft at 7:45PM Sep 21, 2023Observed: 1.81 ft at 8:00PM Sep 21, 2023Observed: 1.81 ft at 8:15PM Sep 21, 2023Observed: 1.81 ft at 8:30PM Sep 21, 2023Observed: 1.8 ft at 8:45PM Sep 21, 2023Observed: 1.81 ft at 9:00PM Sep 21, 2023Observed: 1.8 ft at 9:15PM Sep 21, 2023Observed: 1.81 ft at 9:30PM Sep 21, 2023Observed: 1.8 ft at 9:45PM Sep 21, 2023Observed: 1.8 ft at 10:00PM Sep 21, 2023Observed: 1.8 ft at 10:15PM Sep 21, 2023Observed: 1.8 ft at 10:30PM Sep 21, 2023Observed: 1.8 ft at 10:45PM Sep 21, 2023Observed: 1.8 ft at 11:00PM Sep 21, 2023Observed: 1.8 ft at 11:15PM Sep 21, 2023Observed: 1.8 ft at 11:30PM Sep 21, 2023Observed: 1.8 ft at 11:45PM Sep 21, 2023Observed: 1.8 ft at 12:00AM Sep 22, 2023Observed: 1.79 ft at 12:15AM Sep 22, 2023Observed: 1.79 ft at 12:16AM Sep 22, 2023Observed: 1.79 ft at 12:30AM Sep 22, 2023Observed: 1.79 ft at 12:45AM Sep 22, 2023Observed: 1.79 ft at 1:00AM Sep 22, 2023Observed: 1.79 ft at 1:15AM Sep 22, 2023Observed: 1.79 ft at 1:30AM Sep 22, 2023Observed: 1.79 ft at 1:45AM Sep 22, 2023Observed: 1.79 ft at 2:00AM Sep 22, 2023Observed: 1.78 ft at 2:15AM Sep 22, 2023Observed: 1.79 ft at 2:30AM Sep 22, 2023Observed: 1.78 ft at 2:45AM Sep 22, 2023Observed: 1.78 ft at 3:00AM Sep 22, 2023Observed: 1.78 ft at 3:15AM Sep 22, 2023Observed: 1.78 ft at 3:30AM Sep 22, 2023Observed: 1.78 ft at 3:45AM Sep 22, 2023Observed: 1.77 ft at 4:00AM Sep 22, 2023Observed: 1.78 ft at 4:15AM Sep 22, 2023Observed: 1.77 ft at 4:30AM Sep 22, 2023Observed: 1.77 ft at 4:45AM Sep 22, 2023Observed: 1.77 ft at 5:00AM Sep 22, 2023Observed: 1.77 ft at 5:15AM Sep 22, 2023Observed: 1.77 ft at 5:30AM Sep 22, 2023Observed: 1.77 ft at 5:45AM Sep 22, 2023Observed: 1.77 ft at 6:00AM Sep 22, 2023Observed: 1.76 ft at 6:15AM Sep 22, 2023Observed: 1.76 ft at 6:30AM Sep 22, 2023Observed: 1.76 ft at 6:45AM Sep 22, 2023Observed: 1.76 ft at 7:00AM Sep 22, 2023Observed: 1.76 ft at 7:15AM Sep 22, 2023Observed: 1.76 ft at 7:30AM Sep 22, 2023Observed: 1.76 ft at 7:45AM Sep 22, 2023Observed: 1.76 ft at 8:00AM Sep 22, 2023Observed: 1.76 ft at 8:15AM Sep 22, 2023Observed: 1.76 ft at 8:16AM Sep 22, 2023Observed: 1.75 ft at 8:30AM Sep 22, 2023Observed: 1.75 ft at 8:45AM Sep 22, 2023Observed: 1.75 ft at 9:00AM Sep 22, 2023Observed: 1.75 ft at 9:15AM Sep 22, 2023Observed: 1.75 ft at 9:30AM Sep 22, 2023Observed: 1.75 ft at 9:45AM Sep 22, 2023Observed: 1.75 ft at 10:00AM Sep 22, 2023Observed: 1.75 ft at 10:15AM Sep 22, 2023Observed: 1.75 ft at 10:30AM Sep 22, 2023Observed: 1.75 ft at 10:45AM Sep 22, 2023Observed: 1.75 ft at 11:00AM Sep 22, 2023Observed: 1.75 ft at 11:15AM Sep 22, 2023Observed: 1.75 ft at 11:30AM Sep 22, 2023Observed: 1.75 ft at 11:45AM Sep 22, 2023Observed: 1.74 ft at 12:00PM Sep 22, 2023Observed: 1.74 ft at 12:15PM Sep 22, 2023Observed: 1.75 ft at 12:30PM Sep 22, 2023Observed: 1.74 ft at 12:45PM Sep 22, 2023Observed: 1.74 ft at 1:00PM Sep 22, 2023Observed: 1.74 ft at 1:15PM Sep 22, 2023Observed: 1.74 ft at 1:30PM Sep 22, 2023Observed: 1.74 ft at 1:45PM Sep 22, 2023Observed: 1.74 ft at 2:00PM Sep 22, 2023Observed: 1.74 ft at 2:15PM Sep 22, 2023Observed: 1.74 ft at 2:30PM Sep 22, 2023Observed: 1.73 ft at 2:45PM Sep 22, 2023Observed: 1.73 ft at 3:00PM Sep 22, 2023Observed: 1.74 ft at 3:15PM Sep 22, 2023Observed: 1.73 ft at 3:30PM Sep 22, 2023Observed: 1.73 ft at 3:45PM Sep 22, 2023Observed: 1.73 ft at 4:00PM Sep 22, 2023Observed: 1.73 ft at 4:15PM Sep 22, 2023Observed: 1.73 ft at 4:16PM Sep 22, 2023Observed: 1.73 ft at 4:30PM Sep 22, 2023Observed: 1.72 ft at 4:45PM Sep 22, 2023Observed: 1.73 ft at 5:00PM Sep 22, 2023Observed: 1.73 ft at 5:15PM Sep 22, 2023Observed: 1.72 ft at 5:30PM Sep 22, 2023Observed: 1.73 ft at 5:45PM Sep 22, 2023Observed: 1.72 ft at 6:00PM Sep 22, 2023Observed: 1.72 ft at 6:15PM Sep 22, 2023Observed: 1.72 ft at 6:30PM Sep 22, 2023Observed: 1.72 ft at 6:45PM Sep 22, 2023Observed: 1.72 ft at 7:00PM Sep 22, 2023Observed: 1.72 ft at 7:15PM Sep 22, 2023Observed: 1.72 ft at 7:30PM Sep 22, 2023Observed: 1.72 ft at 7:45PM Sep 22, 2023Observed: 1.72 ft at 8:00PM Sep 22, 2023Observed: 1.71 ft at 8:15PM Sep 22, 2023Observed: 1.72 ft at 8:30PM Sep 22, 2023Observed: 1.72 ft at 8:45PM Sep 22, 2023Observed: 1.71 ft at 9:00PM Sep 22, 2023Observed: 1.71 ft at 9:15PM Sep 22, 2023Observed: 1.71 ft at 9:30PM Sep 22, 2023Observed: 1.71 ft at 9:45PM Sep 22, 2023Observed: 1.71 ft at 10:00PM Sep 22, 2023Observed: 1.71 ft at 10:15PM Sep 22, 2023Observed: 1.71 ft at 10:30PM Sep 22, 2023Observed: 1.71 ft at 10:45PM Sep 22, 2023Observed: 1.71 ft at 11:00PM Sep 22, 2023Observed: 1.71 ft at 11:15PM Sep 22, 2023Observed: 1.71 ft at 11:30PM Sep 22, 2023Observed: 1.71 ft at 11:45PM Sep 22, 2023Observed: 1.7 ft at 12:00AM Sep 23, 2023Observed: 1.71 ft at 12:15AM Sep 23, 2023Observed: 1.71 ft at 12:17AM Sep 23, 2023Observed: 1.71 ft at 12:30AM Sep 23, 2023Observed: 1.7 ft at 12:45AM Sep 23, 2023Observed: 1.71 ft at 1:00AM Sep 23, 2023Observed: 1.7 ft at 1:15AM Sep 23, 2023Observed: 1.7 ft at 1:30AM Sep 23, 2023Observed: 1.7 ft at 1:45AM Sep 23, 2023Observed: 1.7 ft at 2:00AM Sep 23, 2023Observed: 1.7 ft at 2:15AM Sep 23, 2023Observed: 1.7 ft at 2:30AM Sep 23, 2023Observed: 1.7 ft at 2:45AM Sep 23, 2023Observed: 1.7 ft at 3:00AM Sep 23, 2023Observed: 1.7 ft at 3:15AM Sep 23, 2023Observed: 1.7 ft at 3:30AM Sep 23, 2023Observed: 1.69 ft at 3:45AM Sep 23, 2023Observed: 1.69 ft at 4:00AM Sep 23, 2023Observed: 1.69 ft at 4:15AM Sep 23, 2023Observed: 1.69 ft at 4:30AM Sep 23, 2023Observed: 1.69 ft at 4:45AM Sep 23, 2023Observed: 1.69 ft at 5:00AM Sep 23, 2023Observed: 1.69 ft at 5:15AM Sep 23, 2023Observed: 1.69 ft at 5:30AM Sep 23, 2023Observed: 1.69 ft at 5:45AM Sep 23, 2023Observed: 1.69 ft at 6:00AM Sep 23, 2023Observed: 1.69 ft at 6:15AM Sep 23, 2023Observed: 1.69 ft at 6:30AM Sep 23, 2023Observed: 1.69 ft at 6:45AM Sep 23, 2023Observed: 1.69 ft at 7:00AM Sep 23, 2023Observed: 1.68 ft at 7:15AM Sep 23, 2023Observed: 1.68 ft at 7:30AM Sep 23, 2023Observed: 1.68 ft at 7:45AM Sep 23, 2023Observed: 1.68 ft at 8:00AM Sep 23, 2023Observed: 1.68 ft at 8:15AM Sep 23, 2023Observed: 1.68 ft at 8:30AM Sep 23, 2023Observed: 1.68 ft at 8:31AM Sep 23, 2023Observed: 1.68 ft at 8:45AM Sep 23, 2023Observed: 1.68 ft at 9:00AM Sep 23, 2023Observed: 1.68 ft at 9:15AM Sep 23, 2023Observed: 1.68 ft at 9:30AM Sep 23, 2023Observed: 1.67 ft at 9:45AM Sep 23, 2023Observed: 1.68 ft at 10:00AM Sep 23, 2023Observed: 1.68 ft at 10:15AM Sep 23, 2023Observed: 1.67 ft at 10:30AM Sep 23, 2023Observed: 1.68 ft at 10:45AM Sep 23, 2023Observed: 1.67 ft at 11:00AM Sep 23, 2023Observed: 1.67 ft at 11:15AM Sep 23, 2023Observed: 1.67 ft at 11:30AM Sep 23, 2023Observed: 1.67 ft at 11:45AM Sep 23, 2023Observed: 1.67 ft at 12:00PM Sep 23, 2023Observed: 1.67 ft at 12:15PM Sep 23, 2023Observed: 1.67 ft at 12:30PM Sep 23, 2023Observed: 1.67 ft at 12:45PM Sep 23, 2023Observed: 1.67 ft at 1:00PM Sep 23, 2023Observed: 1.67 ft at 1:15PM Sep 23, 2023Observed: 1.67 ft at 1:30PM Sep 23, 2023Observed: 1.67 ft at 1:45PM Sep 23, 2023Observed: 1.67 ft at 2:00PM Sep 23, 2023Observed: 1.67 ft at 2:15PM Sep 23, 2023Observed: 1.67 ft at 2:30PM Sep 23, 2023Observed: 1.67 ft at 2:45PM Sep 23, 2023Observed: 1.66 ft at 3:00PM Sep 23, 2023Observed: 1.67 ft at 3:15PM Sep 23, 2023Observed: 1.67 ft at 3:30PM Sep 23, 2023Observed: 1.67 ft at 3:45PM Sep 23, 2023Observed: 1.67 ft at 4:00PM Sep 23, 2023Observed: 1.67 ft at 4:15PM Sep 23, 2023Observed: 1.66 ft at 4:30PM Sep 23, 2023Observed: 1.66 ft at 4:31PM Sep 23, 2023Observed: 1.67 ft at 5:45PM Sep 23, 2023Observed: 1.66 ft at 6:00PM Sep 23, 2023Observed: 1.66 ft at 6:15PM Sep 23, 2023Observed: 1.66 ft at 6:30PM Sep 23, 2023Observed: 1.66 ft at 6:45PM Sep 23, 2023Observed: 1.66 ft at 7:00PM Sep 23, 2023Observed: 1.66 ft at 7:15PM Sep 23, 2023Observed: 1.66 ft at 7:30PM Sep 23, 2023Observed: 1.66 ft at 7:45PM Sep 23, 2023Observed: 1.66 ft at 8:00PM Sep 23, 2023Observed: 1.66 ft at 8:15PM Sep 23, 2023Observed: 1.66 ft at 8:30PM Sep 23, 2023Observed: 1.66 ft at 8:45PM Sep 23, 2023Observed: 1.66 ft at 9:00PM Sep 23, 2023Observed: 1.66 ft at 9:15PM Sep 23, 2023Observed: 1.65 ft at 9:30PM Sep 23, 2023Observed: 1.66 ft at 9:45PM Sep 23, 2023Observed: 1.66 ft at 10:00PM Sep 23, 2023Observed: 1.66 ft at 10:15PM Sep 23, 2023Observed: 1.66 ft at 10:30PM Sep 23, 2023Observed: 1.65 ft at 10:45PM Sep 23, 2023Observed: 1.65 ft at 11:00PM Sep 23, 2023Observed: 1.66 ft at 11:15PM Sep 23, 2023Observed: 1.66 ft at 11:30PM Sep 23, 2023Observed: 1.66 ft at 11:45PM Sep 23, 2023Observed: 1.66 ft at 12:00AM Sep 24, 2023Observed: 1.66 ft at 12:15AM Sep 24, 2023Observed: 1.66 ft at 12:30AM Sep 24, 2023Observed: 1.66 ft at 12:32AM Sep 24, 2023Observed: 1.66 ft at 12:45AM Sep 24, 2023Observed: 1.66 ft at 1:00AM Sep 24, 2023Observed: 1.66 ft at 1:15AM Sep 24, 2023Observed: 1.66 ft at 1:30AM Sep 24, 2023Observed: 1.65 ft at 1:45AM Sep 24, 2023Observed: 1.66 ft at 2:00AM Sep 24, 2023Observed: 1.66 ft at 2:15AM Sep 24, 2023Observed: 1.66 ft at 2:30AM Sep 24, 2023Observed: 1.66 ft at 2:45AM Sep 24, 2023Observed: 1.66 ft at 3:00AM Sep 24, 2023Observed: 1.65 ft at 3:15AM Sep 24, 2023Observed: 1.65 ft at 3:30AM Sep 24, 2023Observed: 1.66 ft at 3:45AM Sep 24, 2023Observed: 1.65 ft at 4:00AM Sep 24, 2023Observed: 1.66 ft at 4:15AM Sep 24, 2023Observed: 1.65 ft at 4:30AM Sep 24, 2023Observed: 1.65 ft at 4:45AM Sep 24, 2023Observed: 1.66 ft at 5:00AM Sep 24, 2023Observed: 1.65 ft at 5:15AM Sep 24, 2023Observed: 1.65 ft at 5:30AM Sep 24, 2023Observed: 1.66 ft at 5:45AM Sep 24, 2023Observed: 1.66 ft at 6:00AM Sep 24, 2023Observed: 1.66 ft at 6:15AM Sep 24, 2023Observed: 1.65 ft at 6:30AM Sep 24, 2023Observed: 1.65 ft at 6:45AM Sep 24, 2023Observed: 1.65 ft at 7:00AM Sep 24, 2023Observed: 1.65 ft at 7:15AM Sep 24, 2023Observed: 1.65 ft at 7:30AM Sep 24, 2023Observed: 1.65 ft at 7:45AM Sep 24, 2023Observed: 1.65 ft at 8:00AM Sep 24, 2023Observed: 1.64 ft at 8:15AM Sep 24, 2023Observed: 1.65 ft at 8:30AM Sep 24, 2023Observed: 1.65 ft at 8:32AM Sep 24, 2023Observed: 1.65 ft at 8:45AM Sep 24, 2023Observed: 1.64 ft at 9:00AM Sep 24, 2023Observed: 1.65 ft at 9:15AM Sep 24, 2023Observed: 1.64 ft at 9:30AM Sep 24, 2023Observed: 1.65 ft at 9:45AM Sep 24, 2023Observed: 1.64 ft at 10:00AM Sep 24, 2023Observed: 1.64 ft at 10:15AM Sep 24, 2023Observed: 1.65 ft at 10:30AM Sep 24, 2023Observed: 1.64 ft at 10:45AM Sep 24, 2023Observed: 1.64 ft at 11:00AM Sep 24, 2023Observed: 1.64 ft at 11:15AM Sep 24, 2023Observed: 1.64 ft at 11:30AM Sep 24, 2023Observed: 1.64 ft at 11:45AM Sep 24, 2023Observed: 1.64 ft at 12:00PM Sep 24, 2023Observed: 1.64 ft at 12:15PM Sep 24, 2023Observed: 1.64 ft at 12:30PM Sep 24, 2023Observed: 1.65 ft at 12:45PM Sep 24, 2023Observed: 1.64 ft at 1:00PM Sep 24, 2023Observed: 1.65 ft at 1:15PM Sep 24, 2023Observed: 1.64 ft at 1:30PM Sep 24, 2023Observed: 1.64 ft at 1:45PM Sep 24, 2023Observed: 1.65 ft at 2:00PM Sep 24, 2023Observed: 1.64 ft at 2:15PM Sep 24, 2023Observed: 1.64 ft at 2:30PM Sep 24, 2023Observed: 1.64 ft at 2:45PM Sep 24, 2023Observed: 1.64 ft at 3:00PM Sep 24, 2023Observed: 1.64 ft at 3:15PM Sep 24, 2023Observed: 1.64 ft at 3:30PM Sep 24, 2023Observed: 1.64 ft at 3:45PM Sep 24, 2023Observed: 1.64 ft at 4:00PM Sep 24, 2023Observed: 1.64 ft at 4:15PM Sep 24, 2023Observed: 1.64 ft at 4:30PM Sep 24, 2023Observed: 1.64 ft at 4:31PM Sep 24, 2023Observed: 1.64 ft at 4:45PM Sep 24, 2023Observed: 1.64 ft at 5:00PM Sep 24, 2023Observed: 1.64 ft at 5:15PM Sep 24, 2023Observed: 1.64 ft at 5:30PM Sep 24, 2023Observed: 1.64 ft at 5:45PM Sep 24, 2023Observed: 1.64 ft at 6:00PM Sep 24, 2023Observed: 1.64 ft at 6:15PM Sep 24, 2023Observed: 1.64 ft at 6:30PM Sep 24, 2023Highest Forecast: 1.6 ft 8:00PM Sep 24, 2023Highest Forecast: 1.6 ft 2:00AM Sep 25, 2023Highest Forecast: 1.6 ft 8:00AM Sep 25, 2023Highest Forecast: 1.6 ft 2:00PM Sep 25, 2023Highest Forecast: 1.6 ft 8:00PM Sep 25, 2023Highest Forecast: 1.6 ft 2:00AM Sep 26, 2023Highest Forecast: 1.6 ft 8:00AM Sep 26, 2023Highest Forecast: 1.6 ft 2:00PM Sep 26, 2023Highest Forecast: 1.6 ft 8:00PM Sep 26, 2023Forecast: 1.5 ft 2:00AM Sep 27, 2023Forecast: 1.5 ft 8:00AM Sep 27, 2023USGS--Water Resources of the United StatesPTRN3(plotting HGIRG) Graph Created (7:36PM Sep 24, 2023)ObservedForecast (issued 11:30AM Sep 24)Latest observed value: 1.64 ft at 6:30 PM EDT 24-Sep-2023. Flood Stage is 5.5 ft
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Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Contoocook River at Peterborough are issued routinely year-round.
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Downstream Gauge Downstream Gauge - at Henniker
Flood Categories (in feet)
Major Flood Stage: 9
Moderate Flood Stage: 7
Flood Stage: 5.5
Action Stage: 4
Low Stage (in feet): -9999

Historic Crests
(1) 15.00 ft on 09/21/1938
(2) 7.21 ft on 04/16/2007
(3) 6.92 ft on 03/07/2011
(4) 6.82 ft on 01/29/1976
(5) 6.62 ft on 04/06/1987
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 4.54 ft on 03/31/2012
(2) 4.68 ft on 12/08/2011
(3) 6.92 ft on 03/07/2011
(4) 5.76 ft on 03/31/2010
(5) 6.03 ft on 03/15/2010
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
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Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
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If you notice any errors in the below information, please contact our Webmaster
17.5 This is the maximum reportable stage of the river gage.
9.5 This is a major...life threatening flood in the Peterborough area. floodwaters affect low lying businesses off of grove street and wilton road including peterborough plaza...and parking lots and low lying residences off of pheasant road including the riverview apartments. significant flooding occurs along roads and low lying properties adjacent to the river including the following...route 136...concord street...jaffrey road...summer street...sharon road...bogle road...and hunt road.
7.5 Major flooding occurs in the Peterborough area. Route 136 floods near Bogle Road. Floodwaters affect low lying businesses off of Grove Street and Wilton Road including Peterborough Plaza...and parking lots and low lying residences off of Pheasant Road including the Riverview Apartments. Significant flooding occurs along roads and low lying properties adjacent to the river including the following...Concord Street...Jaffrey Road...Summer Street...Sharon Road...Bogle Road...and Hunt Road.
6.5 Significant flooding occurs in Peterborough. Floodwaters inundate portions of the Peterborough Plaza parking area. Floodwaters affect low lying businesses off of Grove street and Wilton road. Flooding occurs at low lying properties along and/or stretches of the following roads...Concord Street...Summer Street...Sharon Road...Bogle Road...and Hunt Road. Inundation may occur along the parking lots off of Pheasant Road including the Riverview Apartments.
5.5 Floodwaters approach low lying roads and properties in the Peterborough area...especially along Concord Street.
About This Location Collapse

Latitude: 42.862584° N, Longitude: 71.959200° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 5.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other NULL NULL  

Current/Historical Observations:
Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Gray Weather Forecast Office
P.O. Box 1208, 1 Weather Lane, Route 231
Gray, ME 04039
(207) 688-3216
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