About this river
Lehigh River is a 5.0 mile river near Sky Blue Outfitters LLC in Pennsylvania. Streamflow is measured at the USGS gauge Lehigh River at Bethlehem, PA (site 01453000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1941 to 2026
Lehigh River typically runs highest in March, at a median 3,280 cfs, and lowest in September, at 911 cfs. The highest flow on record for any single day is 70,400 cfs, in 1955.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 2,000 | 1,290 to 3,350 | |
| February | 2,140 | 1,390 to 3,310 | |
| March | 3,280 | 2,200 to 4,480 | |
| April | 3,030 | 2,165 to 4,630 | |
| May | 2,450 | 1,740 to 3,550 | |
| June | 1,725 | 1,185 to 2,605 | |
| July | 1,190 | 852 to 1,900 | |
| August | 1,050 | 717 to 1,630 | |
| September | 911 | 672 to 1,565 | |
| October | 1,070 | 714 to 2,010 | |
| November | 1,710 | 1,010 to 2,815 | |
| December | 2,170 | 1,360 to 3,850 |
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 85 years of record. Statistics published by the US Geological Survey for Lehigh River at Bethlehem, PA (site 01453000). 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 Lehigh 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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