Around here
Around Hat Creek
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Hat Creek is a 48.0 mile stream. Streamflow is measured at the USGS gauge Hat C near Hat Creek CA (site 11355500). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1927 to 2026
Hat Creek typically runs highest in May, at a median 176 cfs, and lowest in September, at 120 cfs. The highest flow on record for any single day is 1,710 cfs, in 1938.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 128 | 114 to 149 |
| February | 130 | 112 to 150 |
| March | 129 | 117 to 150 |
| April | 143 | 125 to 163 |
| May | 176 | 149 to 209 |
| June | 168 | 135 to 222 |
| July | 134 | 113 to 169 |
| August | 126 | 108 to 143 |
| September | 120 | 104 to 141 |
| October | 123 | 110 to 147 |
| November | 127 | 115 to 150 |
| December | 130 | 114 to 149 |
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 77 years of record. Statistics published by the US Geological Survey for Hat C near Hat Creek CA (site 11355500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Hat Creek on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Hat Creek's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
