About this river
Delaware River is a 9.2 mile river near Edge of the Woods Outfitters in Pennsylvania. Streamflow is measured at the USGS gauge Delaware River at Belvidere NJ (site 01446500). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1923 to 2025
Delaware River typically runs highest in April, at a median 12,850 cfs, and lowest in September, at 2,575 cfs. The highest flow on record for any single day is 211,000 cfs, in 2006.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 6,340 | 3,970 to 10,400 | |
| February | 6,150 | 4,300 to 9,770 | |
| March | 11,300 | 7,230 to 16,400 | |
| April | 12,850 | 8,045 to 19,000 | |
| May | 7,930 | 5,060 to 12,300 | |
| June | 4,445 | 3,145 to 7,480 | |
| July | 3,110 | 2,320 to 4,870 | |
| August | 2,710 | 2,040 to 4,210 | |
| September | 2,575 | 1,985 to 3,900 | |
| October | 2,740 | 2,090 to 5,150 | |
| November | 4,850 | 2,895 to 9,165 | |
| December | 6,620 | 4,070 to 10,800 |
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 102 years of record. Statistics published by the US Geological Survey for Delaware River at Belvidere NJ (site 01446500). 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 Delaware River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
