Frost history / Presho 7 Nw, SD
Presho 7 Nw, SD: frost dates by year
Last spring and first fall frost at NOAA station USC00396790, 1976 to 2005, measured from daily minimum temperatures.
Elevation 1,810 ft, 43.992, -100.162. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 13 | Sep 23 |
| Earliest | Apr 22 (1987) | Sep 1 (1981) |
| Latest | Jun 3 (2004) | Oct 13 (1997) |
| Trend | 1.1 days later per decade | 4.0 days later per decade |
| Years with data | 27 | 28 |
At 28°F (hard freeze) the median last spring date is May 7 and the median first fall date is Oct 3.
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 |
|---|---|---|---|---|
| 2005 | May 15 | no data | May 5 | no data |
| 2004 | Jun 3 | Oct 2 | May 14 | Oct 2 |
| 2003 | May 20 | Sep 19 | May 20 | Oct 26 |
| 2002 | May 24 | Sep 22 | May 24 | Oct 9 |
| 2001 | Apr 24 | Oct 5 | Apr 24 | Oct 14 |
| 2000 | May 13 | Sep 24 | May 13 | Sep 24 |
| 1999 | Apr 24 | Sep 29 | Apr 24 | Oct 2 |
| 1998 | Jun 3 | Oct 1 | May 7 | Nov 5 |
| 1997 | May 19 | Oct 13 | Apr 16 | Oct 14 |
| 1996 | Apr 29 | Oct 3 | Apr 29 | Oct 18 |
| 1995 | Apr 28 | Sep 21 | Apr 17 | Sep 21 |
| 1994 | May 7 | Sep 23 | May 7 | Oct 23 |
| 1993 | Apr 29 | Sep 14 | Apr 21 | Sep 14 |
| 1992 | May 28 | Sep 28 | May 26 | Sep 28 |
| 1991 | May 6 | Sep 18 | May 6 | Sep 19 |
| 1990 | May 10 | Sep 23 | May 10 | Oct 9 |
| 1989 | May 6 | Sep 11 | May 6 | Oct 17 |
| 1988 | May 5 | Oct 4 | Apr 27 | Oct 4 |
| 1987 | Apr 22 | Oct 2 | Apr 3 | Oct 2 |
| 1986 | no data | Oct 12 | no data | Oct 12 |
| 1985 | no data | Sep 20 | no data | Sep 24 |
| 1984 | May 28 | no data | May 9 | no data |
| 1983 | May 16 | Sep 21 | May 14 | Sep 21 |
| 1982 | May 7 | Sep 20 | May 7 | Sep 25 |
| 1981 | May 19 | Sep 1 | May 19 | Sep 17 |
| 1980 | May 15 | Sep 25 | May 8 | Oct 11 |
| 1979 | May 24 | Sep 14 | May 24 | Oct 4 |
| 1978 | no data | Sep 20 | no data | Oct 6 |
| 1977 | Apr 25 | Oct 2 | Apr 24 | Oct 2 |
| 1976 | May 17 | Sep 10 | May 17 | Sep 28 |
"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.