About this river
Penobscot River is a 42.3 mile river near Twin Maple Outdoors in Maine. Streamflow is measured at the USGS gauge Penobscot River at Eddington, Maine (site 01036390). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1979 to 1996
Penobscot River typically runs highest in April, at a median 32,350 cfs, and lowest in September, at 6,480 cfs. The highest flow on record for any single day is 155,000 cfs, in 1987.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 8,080 | 6,330 to 11,100 | |
| February | 8,200 | 6,680 to 11,300 | |
| March | 10,800 | 7,030 to 14,900 | |
| April | 32,350 | 21,750 to 45,450 | |
| May | 18,800 | 12,800 to 29,000 | |
| June | 10,300 | 7,200 to 15,000 | |
| July | 6,530 | 5,450 to 9,350 | |
| August | 6,600 | 4,920 to 9,420 | |
| September | 6,480 | 5,650 to 8,195 | |
| October | 8,550 | 6,380 to 12,400 | |
| November | 13,650 | 8,835 to 20,000 | |
| December | 9,160 | 7,830 to 15,100 |
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 18 years of record. Statistics published by the US Geological Survey for Penobscot River at Eddington, Maine (site 01036390). 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 Penobscot 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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