Frost history / Wister 3S, OK
Wister 3S, OK: frost dates by year
Last spring and first fall frost at NOAA station USC00349724, 1951 to 2025, measured from daily minimum temperatures.
Elevation 525 ft, 34.942, -94.704. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 2 | Nov 1 |
| Earliest | Mar 7 (2015) | Oct 8 (1952) |
| Latest | May 1 (1960) | Nov 30 (2020) |
| Trend | 2.6 days earlier per decade | 2.1 days later per decade |
| Years with data | 35 | 34 |
At 28°F (hard freeze) the median last spring date is Mar 20 and the median first fall date is Nov 7.
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 | Mar 7 | Nov 10 | Feb 23 | Nov 10 |
| 2024 | Mar 28 | Nov 25 | Feb 20 | Nov 29 |
| 2023 | Mar 20 | Oct 31 | Mar 20 | Nov 1 |
| 2022 | Apr 2 | Oct 19 | Mar 13 | Oct 19 |
| 2021 | no data | Nov 13 | no data | Nov 26 |
| 2020 | no data | Nov 30 | no data | Dec 1 |
| 2019 | Mar 24 | Nov 1 | Mar 7 | Nov 1 |
| 2017 | Mar 15 | no data | Mar 3 | no data |
| 2016 | Mar 29 | Nov 19 | Feb 11 | Nov 20 |
| 2015 | Mar 7 | Nov 14 | Mar 7 | Dec 4 |
| 2014 | Apr 16 | Nov 1 | Mar 27 | Nov 1 |
| 2012 | Mar 11 | Oct 27 | Feb 26 | Oct 28 |
| 2007 | no data | Nov 7 | no data | Nov 7 |
| 1977 | Mar 23 | no data | Mar 23 | no data |
| 1974 | Apr 10 | no data | Mar 25 | no data |
| 1973 | Apr 11 | Nov 6 | Apr 11 | Dec 7 |
| 1972 | Apr 4 | Nov 8 | Mar 5 | Nov 23 |
| 1971 | Apr 7 | Nov 4 | Mar 9 | Nov 7 |
| 1970 | Apr 3 | no data | Mar 15 | no data |
| 1969 | Mar 22 | Nov 4 | Mar 14 | Nov 5 |
| 1968 | Apr 5 | Oct 25 | Mar 24 | Nov 9 |
| 1967 | Mar 18 | Oct 28 | Mar 9 | Nov 4 |
| 1966 | Apr 21 | Oct 16 | Apr 6 | Oct 20 |
| 1965 | Mar 27 | Oct 25 | Mar 27 | Nov 27 |
| 1964 | Apr 9 | Oct 10 | Mar 30 | Nov 20 |
| 1963 | Mar 23 | Nov 2 | Mar 22 | Nov 2 |
| 1962 | Apr 3 | Nov 4 | Apr 2 | Nov 9 |
| 1961 | Apr 13 | Oct 26 | Mar 10 | Nov 9 |
| 1960 | May 1 | Oct 20 | Mar 21 | Nov 7 |
| 1959 | Apr 14 | Nov 6 | Mar 22 | Nov 6 |
| 1958 | Mar 20 | Oct 28 | Mar 4 | Nov 18 |
| 1957 | Apr 14 | Oct 26 | Mar 8 | Oct 26 |
| 1956 | Apr 8 | Nov 9 | Mar 20 | Nov 9 |
| 1955 | Mar 29 | Oct 25 | Mar 29 | Nov 3 |
| 1954 | Apr 1 | Oct 30 | Apr 1 | Nov 3 |
| 1953 | Apr 20 | Oct 29 | Feb 23 | Nov 10 |
| 1952 | Mar 30 | Oct 8 | Mar 24 | Oct 23 |
| 1951 | Apr 17 | Nov 2 | Mar 20 | Nov 3 |
"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.