Frost history / Fairplay S Park Rd, CO
Fairplay S Park Rd, CO: frost dates by year
Last spring and first fall frost at NOAA station USC00052816, 2002 to 2023, measured from daily minimum temperatures.
Elevation 9,995 ft, 39.222, -105.994. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Jun 19 | Sep 11 |
| Earliest | May 30 (2010) | Aug 28 (2004) |
| Latest | Jun 27 (2006) | Sep 21 (2021) |
| Trend | 2.3 days earlier per decade | 7.6 days later per decade |
| Years with data | 17 | 19 |
At 28°F (hard freeze) the median last spring date is May 29 and the median first fall date is Sep 21.
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 |
|---|---|---|---|---|
| 2023 | Jun 24 | Sep 16 | May 9 | Oct 3 |
| 2022 | Jun 20 | Sep 11 | May 31 | Sep 11 |
| 2021 | no data | Sep 21 | no data | Sep 21 |
| 2019 | no data | Sep 13 | no data | Sep 22 |
| 2018 | Jun 25 | no data | May 6 | no data |
| 2017 | Jun 3 | Sep 17 | May 29 | Sep 25 |
| 2016 | Jun 2 | Sep 10 | May 28 | Sep 10 |
| 2015 | Jun 8 | Sep 11 | May 25 | Sep 19 |
| 2014 | Jun 20 | Sep 11 | May 26 | Sep 13 |
| 2013 | Jun 19 | Sep 20 | Jun 2 | Sep 24 |
| 2012 | Jun 12 | Sep 8 | Jun 12 | Sep 18 |
| 2011 | May 31 | Sep 4 | May 20 | Sep 21 |
| 2010 | May 30 | Sep 7 | May 16 | Oct 13 |
| 2008 | Jun 12 | Sep 11 | May 24 | Oct 6 |
| 2007 | Jun 8 | Sep 11 | Jun 8 | Sep 25 |
| 2006 | Jun 27 | Aug 28 | May 29 | Sep 17 |
| 2005 | Jun 27 | Sep 1 | Jun 13 | Sep 15 |
| 2004 | Jun 23 | Aug 28 | Jun 22 | Sep 6 |
| 2003 | Jun 26 | Sep 11 | Jun 8 | Sep 14 |
| 2002 | no data | Aug 30 | no data | Sep 27 |
"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.