Frost history / Craig Moffat Co Ap, CO
Craig Moffat Co Ap, CO: frost dates by year
Last spring and first fall frost at NOAA station USW00024046, 1997 to 2024, measured from daily minimum temperatures.
Elevation 6,186 ft, 40.495, -107.521. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Jun 11 | Sep 11 |
| Earliest | May 10 (2023) | Aug 24 (2010) |
| Latest | Jul 12 (2016) | Oct 3 (2024) |
| Trend | 5.5 days earlier per decade | 1.3 days later per decade |
| Years with data | 27 | 27 |
At 28°F (hard freeze) the median last spring date is May 24 and the median first fall date is Sep 23.
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 |
|---|---|---|---|---|
| 2024 | May 27 | Oct 3 | May 24 | Oct 24 |
| 2023 | May 10 | Sep 16 | Apr 29 | Sep 23 |
| 2022 | Jun 21 | Sep 11 | May 25 | Oct 11 |
| 2021 | Jun 12 | Sep 5 | May 25 | Sep 21 |
| 2020 | May 26 | Sep 9 | May 21 | Sep 28 |
| 2019 | Jun 10 | Sep 13 | Jun 10 | Sep 22 |
| 2018 | Jun 3 | Sep 14 | Apr 27 | Sep 21 |
| 2017 | Jun 13 | Sep 17 | Jun 13 | Sep 25 |
| 2016 | Jul 12 | Sep 10 | May 23 | Sep 10 |
| 2015 | May 21 | Sep 9 | Apr 21 | Oct 12 |
| 2013 | Jun 1 | Sep 20 | May 4 | Sep 28 |
| 2012 | Jun 21 | Sep 13 | May 14 | Oct 4 |
| 2011 | Jun 10 | Sep 21 | May 31 | Sep 22 |
| 2010 | Jun 18 | Aug 24 | May 30 | Sep 7 |
| 2009 | May 17 | Sep 21 | May 11 | Sep 28 |
| 2008 | Jun 14 | Sep 2 | Jun 12 | Oct 7 |
| 2007 | Jun 9 | Sep 11 | Jun 8 | Sep 25 |
| 2006 | Jun 1 | Sep 2 | May 30 | Sep 17 |
| 2005 | Jun 14 | Aug 31 | Jun 8 | Aug 31 |
| 2004 | Jun 11 | Aug 28 | May 14 | Sep 15 |
| 2003 | Jun 8 | Sep 13 | May 20 | Sep 14 |
| 2002 | Jun 11 | Sep 20 | May 25 | Sep 22 |
| 2001 | Jun 15 | Sep 8 | Jun 5 | Sep 9 |
| 2000 | Jun 18 | Sep 7 | May 13 | Sep 24 |
| 1999 | Jun 12 | Sep 5 | Jun 5 | Sep 14 |
| 1998 | Jun 15 | Sep 25 | May 22 | Sep 28 |
| 1997 | Jul 2 | Sep 28 | May 9 | Oct 9 |
"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 to 2020 frost probabilities.