Frost history / Cedaredge 3E, CO
Cedaredge 3E, CO: frost dates by year
Last spring and first fall frost at NOAA station USC00051443, 1997 to 2018, measured from daily minimum temperatures.
Elevation 6,838 ft, 38.904, -107.891. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 14 | Oct 3 |
| Earliest | Apr 25 (2018) | Sep 16 (2006) |
| Latest | May 27 (2008) | Oct 28 (2015) |
| Trend | 5.6 days earlier per decade | 5.4 days later per decade |
| Years with data | 20 | 20 |
At 28°F (hard freeze) the median last spring date is Apr 28 and the median first fall date is Oct 13.
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 |
|---|---|---|---|---|
| 2018 | Apr 25 | Oct 13 | Apr 18 | Oct 15 |
| 2017 | May 20 | Sep 25 | Apr 30 | Oct 10 |
| 2016 | Apr 27 | Oct 4 | Apr 19 | Nov 18 |
| 2015 | May 11 | Oct 28 | Apr 19 | Nov 6 |
| 2014 | May 14 | Oct 3 | May 13 | Nov 4 |
| 2013 | May 3 | Sep 28 | May 2 | Oct 4 |
| 2012 | no data | Oct 7 | no data | Oct 25 |
| 2011 | May 20 | Oct 7 | May 3 | Oct 7 |
| 2010 | May 13 | Oct 26 | May 8 | Oct 26 |
| 2009 | Apr 28 | Oct 1 | Apr 27 | Oct 1 |
| 2008 | May 27 | Oct 12 | May 4 | Oct 12 |
| 2007 | May 23 | Sep 30 | Apr 19 | Oct 7 |
| 2006 | no data | Sep 16 | no data | Oct 18 |
| 2005 | Apr 30 | no data | Apr 21 | no data |
| 2004 | May 14 | Sep 22 | Apr 22 | Oct 23 |
| 2003 | May 11 | Sep 18 | May 10 | Oct 26 |
| 2002 | May 25 | Oct 4 | May 9 | Oct 20 |
| 2001 | May 5 | no data | Apr 14 | no data |
| 2000 | May 13 | Sep 24 | Apr 20 | Sep 24 |
| 1999 | May 17 | Sep 28 | May 6 | Sep 29 |
| 1998 | May 15 | Oct 5 | Apr 19 | Oct 5 |
| 1997 | May 26 | Oct 8 | May 3 | 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.