About this river
Left Hand Creek is a 10.8 mile river near The Flyfisher Guide Service in Colorado. Streamflow is measured at the USGS gauge Left Hand Creek at Hover Road near Longmont, CO (site 06724970). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2014 to 2026
Left Hand Creek typically runs highest in June, at a median 61 cfs, and lowest in January, at 2.6 cfs. The highest flow on record for any single day is 566 cfs, in 2015.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 2.6 | 2.1 to 5.7 | |
| February | 2.7 | 2.1 to 5.8 | |
| March | 3.5 | 2.6 to 6.7 | |
| April | 4.8 | 2.8 to 32 | |
| May | 51 | 6.0 to 83 | |
| June | 61 | 20 to 104 | |
| July | 6.5 | 4.1 to 23 | |
| August | 4.3 | 2.7 to 6.4 | |
| September | 3.2 | 2.2 to 4.9 | |
| October | 3.4 | 2.3 to 7.6 | |
| November | 3.4 | 2.8 to 6.8 | |
| December | 2.9 | 2.6 to 5.5 |
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 12 years of record. Statistics published by the US Geological Survey for Left Hand Creek at Hover Road near Longmont, CO (site 06724970). 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 Left Hand 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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