About this river
Lyon Creek is a 28.2 mile river near Milford Lake State Park Marina LLC in Kansas. Streamflow is measured at the USGS gauge Lyon C near Junction City, KS (site 06878600). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2004 to 2026
Lyon Creek typically runs highest in June, at a median 65 cfs, and lowest in October, at 20 cfs. The highest flow on record for any single day is 8,050 cfs, in 2019.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 25 | 13 to 49 | |
| February | 25 | 17 to 42 | |
| March | 23 | 16 to 49 | |
| April | 25 | 17 to 98 | |
| May | 53 | 25 to 145 | |
| June | 65 | 28 to 160 | |
| July | 36 | 14 to 78 | |
| August | 31 | 15 to 77 | |
| September | 21 | 12 to 40 | |
| October | 20 | 11 to 29 | |
| November | 26 | 14 to 38 | |
| December | 25 | 14 to 39 |
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 Lyon C near Junction City, KS (site 06878600). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
One mapped launch sits in the mapped area of Lyon Creek. 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 Lyon 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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