Holderness Harbor, LLC
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Boat launches near Holderness Harbor, LLC
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Typical flow by month
1904 to 2026
The water at Holderness Harbor, LLC typically runs highest in April, at a median 2,915 cfs, and lowest in August, at 317 cfs. The highest flow on record for any single day is 57,300 cfs, in 1936.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 620 | 440 to 940 | |
| February | 497 | 375 to 769 | |
| March | 864 | 477 to 1,540 | |
| April | 2,915 | 2,100 to 4,830 | |
| May | 2,160 | 1,420 to 3,420 | |
| June | 757 | 514 to 1,240 | |
| July | 407 | 294 to 701 | |
| August | 317 | 212 to 559 | |
| September | 317 | 207 to 555 | |
| October | 504 | 300 to 1,010 | |
| November | 943 | 557 to 1,515 | |
| December | 800 | 530 to 1,280 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 122 years of record. Statistics published by the US Geological Survey for Pemigewasset River at Plymouth, NH (site 01076500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Current conditions
Streamflow
239 cfs
Normal (30th)
Water level
0.67 ft
High today
64°F
Wind
7 kt
Gusts 15 kt
Rain chance
0%
Week ahead
Forecast from Open-Meteo global models (NOAA & ECMWF). See full conditions →
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