About this river
Big Blue River is a 2.4 mile river near Geist Marina in Indiana. Streamflow is measured at the USGS gauge Big Blue River at Carthage, IN (site 03361000). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1951 to 2004
Big Blue River typically runs highest in April, at a median 218 cfs, and lowest in September, at 58 cfs. The highest flow on record for any single day is 6,900 cfs, in 1963.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 138 | 84 to 235 | |
| February | 170 | 110 to 290 | |
| March | 213 | 139 to 373 | |
| April | 218 | 144 to 366 | |
| May | 164 | 122 to 259 | |
| June | 128 | 91 to 204 | |
| July | 100 | 74 to 147 | |
| August | 67 | 54 to 91 | |
| September | 58 | 45 to 84 | |
| October | 67 | 53 to 94 | |
| November | 81 | 63 to 135 | |
| December | 118 | 73 to 234 |
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 54 years of record. Statistics published by the US Geological Survey for Big Blue River at Carthage, IN (site 03361000). 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 Big Blue 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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