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: Thursday November 6th, 2025 12:30 PM EST
River Status: Normal

  Height Flow
Currently 3.55 ft 2.81 kcfs
Record 26.2 ft N/A

Observation
  Date (EST) Stage (ft) Flow (kcfs)
Thursday 11/06/2025 12:30 PM 3.55 2.81
Thursday 11/06/2025 12:15 PM 3.57 2.85
Thursday 11/06/2025 12:00 PM 3.56 2.83
Thursday 11/06/2025 11:45 AM 3.54 2.79
Thursday 11/06/2025 11:30 AM 3.52 2.76
Thursday 11/06/2025 11:15 AM 3.59 2.88
Thursday 11/06/2025 11:00 AM 3.56 2.83
Thursday 11/06/2025 10:45 AM 3.56 2.83
Thursday 11/06/2025 10:30 AM 3.60 2.90
Thursday 11/06/2025 10:15 AM 3.56 2.83
Thursday 11/06/2025 10:00 AM 3.61 2.92
Thursday 11/06/2025 09:45 AM 3.63 2.95
Thursday 11/06/2025 09:30 AM 3.62 2.93
Thursday 11/06/2025 09:15 AM 3.64 2.97
Thursday 11/06/2025 09:00 AM 3.63 2.95
Thursday 11/06/2025 08:45 AM 3.64 2.97
Thursday 11/06/2025 08:30 AM 3.64 2.97
Thursday 11/06/2025 08:15 AM 3.64 2.97
Thursday 11/06/2025 08:00 AM 3.64 2.97
Thursday 11/06/2025 07:45 AM 3.65 2.98
Thursday 11/06/2025 07:30 AM 3.64 2.97
Thursday 11/06/2025 07:15 AM 3.65 2.98
Thursday 11/06/2025 07:00 AM 3.65 2.98
Thursday 11/06/2025 06:45 AM 3.66 3.00
Thursday 11/06/2025 06:30 AM 3.66 3.00
Thursday 11/06/2025 06:15 AM 3.67 3.02
Thursday 11/06/2025 06:00 AM 3.66 3.00
Thursday 11/06/2025 05:45 AM 3.69 3.05
Thursday 11/06/2025 05:30 AM 3.67 3.02
Thursday 11/06/2025 05:15 AM 3.66 3.00

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