About this river
Parker River is a 2.6 mile river near Zapstix's Surf & Skate in New Hampshire. Streamflow is measured at the USGS gauge Parker River at Byfield, MA (site 01101000). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1946 to 2026
Parker River typically runs highest in April, at a median 68 cfs, and lowest in September, at 1.8 cfs. The highest flow on record for any single day is 858 cfs, in 1997.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 36 | 23 to 56 | |
| February | 41 | 25 to 62 | |
| March | 67 | 47 to 101 | |
| April | 68 | 43 to 93 | |
| May | 36 | 28 to 61 | |
| June | 18 | 10 to 32 | |
| July | 4.4 | 1.6 to 12 | |
| August | 2.7 | 0.7 to 7.4 | |
| September | 1.8 | 0.4 to 6.0 | |
| October | 5.1 | 1.2 to 17 | |
| November | 18 | 7.5 to 44 | |
| December | 35 | 17 to 59 |
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 80 years of record. Statistics published by the US Geological Survey for Parker River at Byfield, MA (site 01101000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Parker River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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