Frost history / Grovespring 1NE, MO
Grovespring 1NE, MO: frost dates by year
Last spring and first fall frost at NOAA station USC00233483, 1963 to 2006, measured from daily minimum temperatures.
Elevation 1,388 ft, 37.408, -92.593. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 18 | Oct 12 |
| Earliest | Mar 24 (1998) | Sep 22 (1982) |
| Latest | May 10 (1980) | Nov 7 (1998) |
| Trend | 5.4 days earlier per decade | 3.2 days later per decade |
| Years with data | 27 | 30 |
At 28°F (hard freeze) the median last spring date is Apr 6 and the median first fall date is Oct 27.
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 |
|---|---|---|---|---|
| 2006 | Apr 10 | no data | Mar 26 | no data |
| 2005 | no data | Oct 26 | no data | Nov 16 |
| 2004 | Apr 2 | no data | Mar 22 | no data |
| 2003 | Apr 11 | Oct 27 | Apr 11 | Nov 7 |
| 2002 | Apr 6 | Oct 14 | Apr 6 | Nov 12 |
| 2001 | Apr 18 | Oct 17 | Apr 1 | Oct 27 |
| 2000 | Apr 13 | Oct 8 | Mar 12 | Oct 8 |
| 1999 | Apr 18 | Oct 18 | Mar 27 | Oct 18 |
| 1998 | Mar 24 | Nov 7 | Mar 21 | Dec 9 |
| 1997 | Apr 17 | Oct 17 | Apr 14 | Oct 28 |
| 1996 | Apr 10 | Oct 19 | Apr 6 | Oct 31 |
| 1995 | Apr 5 | Sep 22 | Apr 5 | Nov 3 |
| 1994 | Apr 7 | Oct 11 | Apr 7 | Oct 26 |
| 1993 | Apr 21 | Oct 10 | Apr 6 | Oct 30 |
| 1992 | May 7 | Oct 17 | Apr 3 | Oct 17 |
| 1983 | no data | Sep 23 | no data | Nov 5 |
| 1982 | no data | Sep 22 | no data | Oct 21 |
| 1981 | Apr 6 | no data | Apr 6 | no data |
| 1980 | May 10 | Oct 12 | Mar 22 | Oct 12 |
| 1979 | no data | Oct 5 | no data | Oct 10 |
| 1978 | no data | Oct 7 | no data | Nov 8 |
| 1977 | Apr 5 | Oct 13 | Apr 1 | Oct 13 |
| 1976 | May 8 | no data | May 4 | no data |
| 1975 | Apr 21 | Oct 2 | Apr 12 | Oct 26 |
| 1974 | no data | Oct 16 | no data | Nov 6 |
| 1973 | no data | Oct 17 | no data | Nov 6 |
| 1972 | Apr 25 | Oct 19 | Apr 9 | Oct 19 |
| 1971 | no data | Oct 10 | no data | Nov 3 |
| 1970 | May 2 | Oct 16 | Apr 5 | Oct 16 |
| 1969 | Apr 29 | no data | Apr 24 | no data |
| 1968 | Apr 25 | no data | Apr 25 | no data |
| 1967 | May 3 | Sep 29 | May 3 | Sep 29 |
| 1966 | May 10 | Oct 6 | Apr 10 | Oct 16 |
| 1965 | Apr 29 | Oct 12 | Mar 31 | Oct 12 |
| 1964 | Apr 15 | Oct 5 | Apr 8 | Oct 6 |
| 1963 | no data | Sep 30 | no data | Oct 29 |
"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.