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: Tuesday January 20th, 2026 04:30 PM EST
River Status: Normal

  Height Flow
Currently 4.07 ft 3.94 kcfs
Record 26.2 ft N/A

Observation
  Date (EST) Stage (ft) Flow (kcfs)
Tuesday 01/20/2026 04:30 PM 4.07 3.94
Tuesday 01/20/2026 04:15 PM 4.07 3.94
Tuesday 01/20/2026 04:00 PM 4.07 3.94
Tuesday 01/20/2026 03:45 PM 4.07 3.94
Tuesday 01/20/2026 03:30 PM 4.07 3.94
Tuesday 01/20/2026 03:15 PM 4.07 3.94
Tuesday 01/20/2026 03:00 PM 4.07 3.94
Tuesday 01/20/2026 02:45 PM 4.07 3.94
Tuesday 01/20/2026 02:30 PM 4.07 3.94
Tuesday 01/20/2026 02:15 PM 4.07 3.94
Tuesday 01/20/2026 02:00 PM 4.07 3.94
Tuesday 01/20/2026 01:45 PM 4.07 3.94
Tuesday 01/20/2026 01:30 PM 4.07 3.94
Tuesday 01/20/2026 01:15 PM 4.07 3.94
Tuesday 01/20/2026 01:00 PM 4.07 3.94
Tuesday 01/20/2026 12:45 PM 4.07 3.94
Tuesday 01/20/2026 12:30 PM 4.07 3.94
Tuesday 01/20/2026 12:15 PM 4.07 3.94
Tuesday 01/20/2026 12:00 PM 4.07 3.94
Tuesday 01/20/2026 11:45 AM 4.07 3.94
Tuesday 01/20/2026 11:30 AM 4.07 3.94
Tuesday 01/20/2026 11:15 AM 4.07 3.94
Tuesday 01/20/2026 11:00 AM 4.07 3.94
Tuesday 01/20/2026 10:45 AM 4.07 3.94
Tuesday 01/20/2026 10:30 AM 4.07 3.94
Tuesday 01/20/2026 10:15 AM 4.07 3.94
Tuesday 01/20/2026 10:00 AM 4.07 3.94
Tuesday 01/20/2026 09:45 AM 4.07 3.94
Tuesday 01/20/2026 09:30 AM 4.07 3.94
Tuesday 01/20/2026 09:15 AM 4.07 3.94

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