Rock Creek in Montana
Around here
Around Rock Creek
Data Source: Recreation.gov · Public land: USGS PAD-US
About this river
Rock Creek is a 52.4 mile river. Streamflow is measured at the USGS gauge Rock Creek near Clinton MT (site 12334510). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1973 to 2026
Rock Creek typically runs highest in June, at a median 1,465 cfs, and lowest in January, at 175 cfs. The highest flow on record for any single day is 5,480 cfs, in 1997.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 175 | 144 to 205 |
| February | 178 | 150 to 208 |
| March | 230 | 183 to 292 |
| April | 439 | 316 to 681 |
| May | 1,380 | 1,060 to 2,100 |
| June | 1,465 | 987 to 2,255 |
| July | 579 | 384 to 786 |
| August | 275 | 204 to 369 |
| September | 253 | 194 to 307 |
| October | 242 | 202 to 284 |
| November | 217 | 193 to 259 |
| December | 181 | 150 to 226 |
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 53 years of record. Statistics published by the US Geological Survey for Rock Creek near Clinton MT (site 12334510). 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 Rock Creek'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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