About this river
Patoka River is a 15.5 mile river near Hoosier Hills Marina in Indiana. Streamflow is measured at the USGS gauge Patoka River at Jasper, IN (site 03375500). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1949 to 2026
Patoka River typically runs highest in March, at a median 618 cfs, and lowest in September, at 46 cfs. The highest flow on record for any single day is 13,500 cfs, in 1964.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 537 | 154 to 904 | |
| February | 510 | 168 to 984 | |
| March | 618 | 330 to 996 | |
| April | 378 | 174 to 884 | |
| May | 190 | 73 to 448 | |
| June | 106 | 39 to 222 | |
| July | 60 | 23 to 210 | |
| August | 47 | 18 to 190 | |
| September | 46 | 14 to 156 | |
| October | 56 | 16 to 173 | |
| November | 112 | 34 to 347 | |
| December | 325 | 83 to 724 |
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 78 years of record. Statistics published by the US Geological Survey for Patoka River at Jasper, IN (site 03375500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
8 mapped launches sit in the mapped area of Patoka River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Patoka 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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