About this river
Susquehanna River is a 21.2 mile river near Blue Mountain Outfitters in Pennsylvania. Streamflow is measured at the USGS gauge Susquehanna River at Harrisburg, PA (site 01570500). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1891 to 2026
Susquehanna River typically runs highest in April, at a median 60,400 cfs, and lowest in September, at 7,110 cfs. The highest flow on record for any single day is 954,000 cfs, in 1972.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 25,500 | 15,000 to 48,100 | |
| February | 25,900 | 15,600 to 45,400 | |
| March | 56,000 | 36,300 to 92,100 | |
| April | 60,400 | 41,600 to 93,000 | |
| May | 35,200 | 21,500 to 55,300 | |
| June | 18,900 | 12,500 to 28,700 | |
| July | 11,000 | 7,300 to 18,300 | |
| August | 8,480 | 5,410 to 14,300 | |
| September | 7,110 | 4,600 to 13,450 | |
| October | 8,940 | 5,330 to 18,600 | |
| November | 17,900 | 9,665 to 33,350 | |
| December | 26,800 | 15,000 to 46,400 |
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 136 years of record. Statistics published by the US Geological Survey for Susquehanna River at Harrisburg, PA (site 01570500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Susquehanna 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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