Frost history / Kamiah, ID
Kamiah, ID: frost dates by year
Last spring and first fall frost at NOAA station USC00104793, 2004 to 2025, measured from daily minimum temperatures.
Elevation 1,210 ft, 46.230, -116.034. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 3 | Oct 9 |
| Earliest | Mar 30 (2016) | Sep 3 (2005) |
| Latest | Jun 18 (2005) | Nov 5 (2015) |
| Trend | 29.1 days earlier per decade | 10.5 days later per decade |
| Years with data | 14 | 18 |
At 28°F (hard freeze) the median last spring date is Apr 16 and the median first fall date is Oct 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 |
|---|---|---|---|---|
| 2025 | no data | Oct 31 | no data | Nov 9 |
| 2020 | May 4 | Oct 23 | Apr 17 | Oct 24 |
| 2019 | May 1 | Oct 2 | May 1 | Oct 14 |
| 2018 | Apr 23 | Oct 11 | Apr 3 | Oct 13 |
| 2017 | Apr 11 | Oct 9 | Apr 4 | Oct 15 |
| 2016 | Mar 30 | Oct 11 | Mar 19 | Dec 3 |
| 2015 | Apr 29 | Nov 5 | Apr 15 | Nov 21 |
| 2014 | Apr 30 | Sep 12 | Apr 13 | Nov 11 |
| 2013 | May 2 | Oct 5 | May 2 | Oct 29 |
| 2012 | May 11 | Sep 12 | Apr 3 | Oct 4 |
| 2011 | no data | Oct 25 | no data | Oct 26 |
| 2010 | May 10 | Oct 18 | May 5 | Oct 18 |
| 2009 | no data | Oct 1 | no data | Oct 6 |
| 2008 | May 13 | Oct 9 | May 2 | Oct 9 |
| 2007 | May 6 | Sep 25 | Apr 11 | Oct 31 |
| 2006 | Jun 4 | Oct 8 | May 29 | Oct 10 |
| 2005 | Jun 18 | Sep 3 | Jun 18 | Sep 5 |
| 2004 | no data | Oct 25 | no data | Nov 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.