Black Flat-u.m. Ck Freeze Details
| Station Name | Station ID | Latitude | Longitude | Country | State | Period | Years |
| Black Flat-U.M. Ck | USS0011L04S | 38.68 | -111.6 | United States | Utah | 1980-2023 | 33 |
| Last spring freeze | |||||
| Early | Early Year | Avg | Median | Late | Late Year |
| 28-May | 2016 | 21-Jun | 19-Jun | 20-Jul | 1987 |
| First fall freeze | |||||
| Early | Early Year | Avg | Median | Late | Late Year |
| 09-Aug | 2009 | 09-Sep | 12-Sep | 06-Oct | 2011 |
| Freeze-free Season | |||||
| Short | Short Year | Avg | Median | Long | Long Year |
| 25 | 1987 | 80.5 | 80.0 | 121 | 2011 |