About this river
Rock Creek is a 2.8 mile river near Alpine Kayak School in Colorado. Streamflow is measured at the USGS gauge Rock Creek at Mccoy, CO. (site 09060770). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1984 to 2026
Rock Creek typically runs highest in May, at a median 241 cfs, and lowest in August, at 16 cfs. The highest flow on record for any single day is 1,270 cfs, in 1984.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 20 | 15 to 25 | |
| February | 21 | 17 to 26 | |
| March | 27 | 22 to 33 | |
| April | 99 | 53 to 175 | |
| May | 241 | 117 to 483 | |
| June | 72 | 28 to 151 | |
| July | 17 | 8.5 to 38 | |
| August | 16 | 7.6 to 27 | |
| September | 16 | 8.4 to 30 | |
| October | 18 | 13 to 34 | |
| November | 24 | 19 to 36 | |
| December | 19 | 16 to 28 |
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 15 years of record. Statistics published by the US Geological Survey for Rock Creek at Mccoy, CO. (site 09060770). 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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