Frost history / Truman Dam & Rsvr, MO
Truman Dam & Rsvr, MO: frost dates by year
Last spring and first fall frost at NOAA station USC00238466, 1981 to 2025, measured from daily minimum temperatures.
Elevation 754 ft, 38.260, -93.414. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 12 | Oct 25 |
| Earliest | Mar 16 (2017) | Sep 24 (1989) |
| Latest | May 7 (1989) | Nov 28 (2004) |
| Trend | 1.6 days earlier per decade | 4.1 days later per decade |
| Years with data | 28 | 28 |
At 28°F (hard freeze) the median last spring date is Mar 29 and the median first fall date is Nov 11.
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 | Apr 9 | Nov 2 | Apr 8 | Nov 10 |
| 2024 | Mar 29 | Oct 16 | Mar 28 | Oct 16 |
| 2023 | Apr 24 | Oct 30 | Mar 29 | Oct 30 |
| 2022 | Apr 20 | no data | Apr 1 | no data |
| 2021 | Apr 22 | Nov 4 | Mar 7 | Nov 19 |
| 2020 | Apr 18 | no data | Mar 1 | no data |
| 2019 | Apr 2 | no data | Mar 7 | no data |
| 2018 | Apr 20 | Oct 22 | Apr 10 | Nov 10 |
| 2017 | Mar 16 | Oct 29 | Mar 16 | Oct 29 |
| 2016 | Apr 9 | Nov 19 | Mar 29 | Nov 20 |
| 2015 | no data | Nov 8 | no data | Nov 23 |
| 2013 | Apr 21 | no data | Mar 28 | no data |
| 2012 | no data | Oct 27 | no data | Nov 12 |
| 2005 | no data | Oct 26 | no data | Nov 16 |
| 2004 | no data | Nov 28 | no data | Dec 2 |
| 2002 | Apr 6 | Oct 14 | Apr 5 | Nov 12 |
| 2001 | Apr 2 | Oct 26 | Mar 28 | Nov 20 |
| 2000 | Apr 8 | Oct 8 | Mar 13 | Nov 11 |
| 1999 | Apr 18 | Oct 18 | Mar 26 | Oct 24 |
| 1998 | Apr 5 | Nov 20 | Mar 13 | Dec 8 |
| 1997 | Apr 17 | no data | Apr 14 | no data |
| 1996 | Apr 11 | Oct 19 | Apr 6 | Nov 3 |
| 1995 | Apr 5 | Oct 25 | Mar 10 | Nov 3 |
| 1994 | no data | Oct 26 | no data | Nov 29 |
| 1993 | Apr 22 | Oct 30 | Mar 19 | Oct 31 |
| 1992 | Apr 28 | Oct 17 | Apr 3 | Nov 15 |
| 1991 | Apr 9 | Oct 21 | Apr 1 | Nov 2 |
| 1990 | Apr 13 | Oct 19 | Apr 13 | Nov 12 |
| 1989 | May 7 | Sep 24 | Apr 12 | Nov 3 |
| 1988 | Apr 20 | no data | Mar 30 | no data |
| 1987 | Apr 12 | Oct 3 | Apr 5 | Oct 8 |
| 1986 | Apr 22 | Nov 10 | Apr 22 | Nov 11 |
| 1985 | Apr 9 | Oct 1 | Apr 9 | Nov 20 |
| 1981 | no data | Oct 23 | no data | Oct 24 |
"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.