Frost history / Steelville 2 N, MO
Steelville 2 N, MO: frost dates by year
Last spring and first fall frost at NOAA station USC00238043, 1962 to 2003, measured from daily minimum temperatures.
Elevation 700 ft, 38.005, -91.371. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 4 | Oct 3 |
| Earliest | Apr 10 (1985) | Sep 16 (1979) |
| Latest | Jun 1 (1984) | Oct 29 (1963) |
| Trend | 1.3 days later per decade | 3.9 days earlier per decade |
| Years with data | 36 | 37 |
At 28°F (hard freeze) the median last spring date is Apr 23 and the median first fall date is Oct 10.
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 |
|---|---|---|---|---|
| 2003 | no data | Sep 28 | no data | Oct 28 |
| 2002 | May 19 | Oct 12 | Apr 5 | Oct 12 |
| 2001 | Apr 22 | Sep 24 | Apr 17 | Oct 6 |
| 2000 | May 14 | Sep 25 | Apr 27 | Oct 6 |
| 1999 | no data | Sep 21 | no data | Oct 4 |
| 1998 | Apr 24 | no data | Apr 11 | no data |
| 1997 | May 16 | Oct 14 | May 16 | Oct 17 |
| 1996 | Apr 30 | Oct 4 | Apr 16 | Oct 11 |
| 1995 | May 3 | Sep 23 | Apr 28 | Sep 23 |
| 1994 | May 2 | Sep 23 | Apr 8 | Oct 11 |
| 1993 | Apr 23 | Oct 3 | Apr 23 | Oct 10 |
| 1992 | May 9 | Sep 24 | May 7 | Sep 29 |
| 1991 | Apr 24 | Sep 21 | Apr 24 | Oct 7 |
| 1990 | May 12 | Sep 24 | Apr 18 | Oct 11 |
| 1989 | May 13 | Sep 24 | May 12 | Sep 24 |
| 1988 | May 26 | Oct 5 | Apr 29 | Oct 5 |
| 1987 | Apr 25 | Oct 3 | Apr 11 | Oct 3 |
| 1986 | May 2 | Oct 14 | Apr 23 | Oct 30 |
| 1985 | Apr 10 | Sep 24 | Apr 10 | Oct 1 |
| 1984 | Jun 1 | no data | Apr 20 | no data |
| 1983 | May 10 | Sep 22 | Apr 25 | Sep 23 |
| 1982 | Apr 25 | Sep 22 | Apr 24 | Oct 17 |
| 1981 | May 21 | Sep 18 | Apr 15 | Oct 3 |
| 1980 | May 10 | Oct 5 | May 9 | Oct 5 |
| 1979 | May 6 | Sep 16 | Apr 28 | Oct 5 |
| 1978 | May 6 | Oct 7 | May 2 | Oct 7 |
| 1977 | May 11 | Oct 3 | Apr 26 | Oct 13 |
| 1976 | May 19 | Sep 22 | May 9 | Oct 10 |
| 1975 | Apr 21 | Sep 26 | Apr 20 | Oct 3 |
| 1974 | Apr 24 | Sep 23 | Apr 24 | Oct 2 |
| 1972 | Apr 26 | Oct 19 | Apr 9 | Oct 19 |
| 1971 | May 4 | Oct 12 | Apr 10 | Nov 4 |
| 1970 | May 3 | Oct 4 | Apr 7 | Oct 17 |
| 1969 | Apr 30 | Oct 15 | Mar 31 | Oct 28 |
| 1966 | May 10 | Oct 6 | May 10 | Oct 17 |
| 1965 | no data | Oct 12 | no data | Oct 12 |
| 1964 | Apr 15 | Oct 3 | Apr 9 | Oct 6 |
| 1963 | May 23 | Oct 29 | May 1 | Oct 30 |
| 1962 | Apr 16 | Oct 24 | Apr 16 | 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.