Frost history / Homedale 1 Se, ID
Homedale 1 Se, ID: frost dates by year
Last spring and first fall frost at NOAA station USC00104318, 2009 to 2024, measured from daily minimum temperatures.
Elevation 2,230 ft, 43.606, -116.921. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 30 | Oct 13 |
| Earliest | Apr 6 (2016) | Sep 30 (2019) |
| Latest | May 13 (2017) | Nov 5 (2015) |
| Trend | 5.0 days earlier per decade | 7.5 days later per decade |
| Years with data | 14 | 14 |
At 28°F (hard freeze) the median last spring date is Apr 16 and the median first fall date is Oct 24.
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 30 | Oct 19 | Apr 30 | Oct 25 |
| 2023 | Apr 25 | Oct 27 | Apr 20 | Oct 27 |
| 2022 | May 11 | Oct 20 | Apr 26 | Oct 28 |
| 2021 | Apr 21 | Oct 13 | Apr 12 | Oct 15 |
| 2020 | Apr 19 | Oct 16 | Apr 18 | Oct 23 |
| 2019 | May 1 | Sep 30 | Apr 1 | Oct 11 |
| 2018 | Apr 24 | Oct 12 | Apr 18 | Oct 14 |
| 2017 | May 13 | Oct 3 | Apr 11 | Oct 15 |
| 2016 | Apr 6 | no data | Mar 29 | no data |
| 2015 | Apr 23 | Nov 5 | Apr 13 | Nov 5 |
| 2014 | no data | Oct 17 | no data | Oct 28 |
| 2013 | May 2 | no data | Apr 18 | no data |
| 2012 | May 7 | Oct 4 | Apr 8 | Oct 4 |
| 2011 | May 6 | Oct 10 | Apr 28 | Oct 25 |
| 2010 | May 7 | Oct 13 | Apr 11 | Nov 9 |
| 2009 | no data | Oct 1 | no data | Oct 1 |
"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.