Frost history / Baggs, WY
Baggs, WY: frost dates by year
Last spring and first fall frost at NOAA station USC00480484, 1980 to 2025, measured from daily minimum temperatures.
Elevation 6,319 ft, 41.038, -107.658. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Jun 10 | Sep 14 |
| Earliest | May 1 (2018) | Aug 4 (1980) |
| Latest | Jul 8 (1993) | Sep 27 (1998) |
| Trend | 5.9 days earlier per decade | 3.1 days later per decade |
| Years with data | 35 | 37 |
At 28°F (hard freeze) the median last spring date is May 17 and the median first fall date is Sep 22.
The trend is a straight-line fit through the years with a freeze. A positive spring trend means the last frost now comes later. Short or patchy records give noisy trends.
Chart
Last spring frost (32°F)
First fall frost (32°F)
Dots are single years. The gray line is the median, the green line the fitted trend.
Year by year
| Year | Last spring 32°F | First fall 32°F | Last spring 28°F | First fall 28°F |
|---|---|---|---|---|
| 2025 | no data | Sep 17 | no data | Oct 6 |
| 2024 | May 24 | no data | May 24 | no data |
| 2023 | May 10 | no data | Apr 29 | no data |
| 2020 | May 25 | Sep 7 | May 7 | Sep 8 |
| 2019 | Jun 10 | Sep 18 | May 11 | Oct 10 |
| 2018 | May 1 | Sep 21 | Apr 27 | Sep 26 |
| 2014 | no data | Sep 12 | no data | Sep 12 |
| 2013 | Jun 22 | Sep 20 | May 4 | Sep 28 |
| 2012 | May 29 | Sep 14 | May 5 | Oct 4 |
| 2011 | Jun 27 | Sep 21 | May 23 | Oct 8 |
| 2010 | May 30 | Sep 7 | May 26 | Oct 13 |
| 2009 | no data | Sep 22 | no data | Sep 22 |
| 2008 | Jun 13 | Sep 2 | May 11 | Oct 11 |
| 2007 | Jun 8 | Sep 11 | May 24 | Sep 26 |
| 2006 | Jun 1 | Sep 3 | May 30 | Oct 13 |
| 2005 | Jun 14 | Aug 31 | May 3 | Sep 26 |
| 2004 | Jun 11 | Sep 15 | May 11 | Oct 12 |
| 2003 | May 20 | Sep 14 | May 20 | Sep 14 |
| 2002 | no data | Sep 22 | no data | Sep 22 |
| 2001 | Jun 22 | no data | Jun 21 | no data |
| 2000 | Jun 2 | Sep 7 | May 13 | Sep 24 |
| 1999 | Jun 7 | Sep 8 | May 17 | Sep 13 |
| 1998 | Jun 15 | Sep 27 | Apr 29 | Oct 6 |
| 1997 | no data | Sep 24 | no data | Oct 13 |
| 1996 | May 21 | Sep 19 | May 11 | Sep 19 |
| 1995 | Jun 7 | Sep 21 | May 4 | Sep 21 |
| 1994 | Jun 10 | Sep 5 | May 22 | Sep 22 |
| 1993 | Jul 8 | Aug 31 | May 8 | Sep 14 |
| 1992 | Jun 1 | Aug 27 | May 3 | Aug 27 |
| 1991 | May 27 | Sep 15 | May 20 | Sep 15 |
| 1990 | Jun 2 | Sep 22 | May 25 | Oct 8 |
| 1989 | Jun 22 | Sep 1 | Jun 2 | Oct 3 |
| 1988 | Jul 1 | Sep 5 | May 3 | Sep 19 |
| 1987 | Jun 24 | Sep 18 | Jun 22 | Sep 18 |
| 1985 | Jun 27 | Aug 10 | May 23 | Aug 12 |
| 1984 | Jun 8 | Sep 22 | Jun 6 | Sep 25 |
| 1983 | Jun 16 | Sep 18 | May 29 | Sep 19 |
| 1982 | Jun 19 | Sep 12 | Jun 9 | Sep 12 |
| 1981 | Jun 16 | Sep 3 | May 13 | Sep 3 |
| 1980 | Jun 16 | Aug 4 | Jun 4 | Sep 21 |
"none" means the station recorded no freeze at that threshold in that half of the year. "no data" means more than 10% of the season's daily readings were missing. Years with no usable data are left out. See the methodology for the rules, and the ZIP lookup for 1991–2020 frost probabilities.