Merrimack River At Concord

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Hydrograph

Stage Color Key
12 ft - Near Flood 14 ft - Minor Flood 17 ft - Moderate Flood 20 ft - Major Flood

Latest Observation: Friday December 5th, 2025 09:15 PM EST
River Status: Normal

  Height Flow
Currently 3.47 ft 2.67 kcfs
Record 26.2 ft N/A

Observation
  Date (EST) Stage (ft) Flow (kcfs)
Friday 12/05/2025 09:30 PM 3.48 2.69
Friday 12/05/2025 09:15 PM 3.47 2.67
Friday 12/05/2025 09:00 PM 3.48 2.69
Friday 12/05/2025 08:45 PM 3.48 2.69
Friday 12/05/2025 08:30 PM 3.48 2.69
Friday 12/05/2025 08:15 PM 3.48 2.69
Friday 12/05/2025 08:00 PM 3.47 2.67
Friday 12/05/2025 07:45 PM 3.48 2.69
Friday 12/05/2025 07:30 PM 3.47 2.67
Friday 12/05/2025 07:15 PM 3.47 2.67
Friday 12/05/2025 07:00 PM 3.46 2.66
Friday 12/05/2025 06:45 PM 3.44 2.63
Friday 12/05/2025 06:30 PM 3.43 2.61
Friday 12/05/2025 06:15 PM 3.42 2.60
Friday 12/05/2025 06:00 PM 3.41 2.58
Friday 12/05/2025 05:45 PM 3.39 2.55
Friday 12/05/2025 05:30 PM 3.38 2.54
Friday 12/05/2025 05:15 PM 3.36 2.51
Friday 12/05/2025 05:00 PM 3.36 2.51
Friday 12/05/2025 04:45 PM 3.34 2.48
Friday 12/05/2025 04:30 PM 3.32 2.45
Friday 12/05/2025 04:15 PM 3.31 2.43
Friday 12/05/2025 04:00 PM 3.31 2.43
Friday 12/05/2025 03:45 PM 3.30 2.42
Friday 12/05/2025 03:30 PM 3.25 2.34
Friday 12/05/2025 03:15 PM 3.30 2.42
Friday 12/05/2025 03:00 PM 3.28 2.39
Friday 12/05/2025 02:45 PM 3.27 2.37
Friday 12/05/2025 02:30 PM 3.27 2.37
Friday 12/05/2025 02:15 PM 3.25 2.34

Data Courtesy of the National Water Prediction Service
Script Courtesy of Dennis at East Masonville Weather with mods by Saratoga-weather.org