Frost history / Ogden Hinkley Ap, UT
Ogden Hinkley Ap, UT: frost dates by year
Last spring and first fall frost at NOAA station USW00024126, 1951 to 2024, measured from daily minimum temperatures.
Elevation 4,470 ft, 41.196, -112.011. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 19 | Oct 25 |
| Earliest | Apr 1 (2000) | Sep 28 (1999) |
| Latest | May 18 (2017) | Nov 16 (2021) |
| Trend | 2.2 days earlier per decade | 1.0 days later per decade |
| Years with data | 27 | 28 |
At 28°F (hard freeze) the median last spring date is Apr 3 and the median first fall date is Nov 2.
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 | Apr 8 | Nov 4 | Mar 9 | Nov 7 |
| 2023 | Apr 19 | Oct 27 | Apr 6 | Oct 30 |
| 2022 | Apr 13 | Oct 24 | Apr 12 | Nov 4 |
| 2021 | Apr 12 | Nov 16 | Mar 31 | Nov 17 |
| 2020 | Apr 17 | Oct 23 | Apr 14 | Oct 25 |
| 2019 | Apr 17 | Sep 30 | Mar 16 | Oct 10 |
| 2018 | Apr 18 | Oct 14 | Apr 3 | Oct 15 |
| 2017 | May 18 | Oct 3 | Mar 6 | Nov 7 |
| 2016 | Apr 1 | Nov 16 | Mar 18 | Nov 17 |
| 2015 | Apr 16 | Nov 4 | Apr 3 | Nov 7 |
| 2014 | Apr 29 | Oct 28 | Mar 19 | Nov 11 |
| 2013 | May 2 | Oct 16 | Apr 18 | Nov 4 |
| 2012 | Apr 28 | Oct 25 | Apr 7 | Oct 26 |
| 2011 | May 4 | Oct 26 | Apr 4 | Nov 2 |
| 2010 | May 7 | Oct 27 | Apr 7 | Nov 11 |
| 2009 | Apr 16 | Oct 6 | Apr 1 | Oct 29 |
| 2008 | May 2 | Oct 10 | Apr 21 | Oct 13 |
| 2007 | Apr 18 | Oct 21 | Apr 11 | Nov 14 |
| 2006 | Apr 19 | Oct 18 | Mar 22 | Oct 31 |
| 2005 | May 11 | Nov 13 | Mar 31 | Nov 15 |
| 2004 | Apr 29 | Oct 25 | Mar 5 | Nov 1 |
| 2003 | Apr 18 | Oct 30 | Apr 6 | Oct 30 |
| 2002 | May 8 | Oct 12 | Mar 19 | Oct 30 |
| 2001 | May 2 | Oct 10 | Apr 11 | Oct 12 |
| 2000 | Apr 1 | Nov 1 | Mar 29 | Nov 2 |
| 1999 | Apr 30 | Sep 28 | Apr 11 | Oct 17 |
| 1998 | no data | Oct 31 | no data | Nov 4 |
| 1951 | Apr 30 | Oct 22 | Mar 29 | Oct 31 |
"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.