Brown Duck Freeze Details
| Station Name | Station ID | Latitude | Longitude | Country | State | Period | Years |
| Brown Duck | USS0010J30S | 40.58 | -110.59 | United States | Utah | 1979-2021 | 34 |
| Last spring freeze | |||||
| Early | Early Year | Avg | Median | Late | Late Year |
| 30-May | 2015 | 23-Jun | 21-Jun | 24-Jul | 1993 |
| First fall freeze | |||||
| Early | Early Year | Avg | Median | Late | Late Year |
| 26-Jul | 1993 | 31-Aug | 04-Sep | 29-Sep | 2012 |
| Freeze-free Season | |||||
| Short | Short Year | Avg | Median | Long | Long Year |
| 2 | 1993 | 71.2 | 74.0 | 111 | 2015 |