Last Frost Day

Frost history / Comstock, NE

Comstock, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00251835, 1988 to 2000, measured from daily minimum temperatures.

Elevation 2,255 ft, 41.557, -99.237. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 6Sep 27
EarliestApr 19 (1999)Sep 13 (1989)
LatestMay 16 (1993)Oct 14 (1997)
Trend7.9 days earlier per decade6.9 days later per decade
Years with data1112

At 28°F (hard freeze) the median last spring date is Apr 27 and the median first fall date is Oct 9.

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)

Mar 31Apr 15Apr 30May 15May 30199020001989: May 71990: May 101991: May 61993: May 161994: May 11995: May 21996: Apr 301997: May 141998: Apr 231999: Apr 192000: May 13

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27199020001988: Oct 41989: Sep 131990: Sep 231991: Sep 191992: Sep 281993: Sep 271994: Sep 261995: Sep 221996: Sep 271997: Oct 141998: Oct 71999: Sep 17

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

YearLast spring 32°FFirst fall 32°FLast spring 28°FFirst fall 28°F
2000May 13no dataApr 22no data
1999Apr 19Sep 17Apr 19Sep 29
1998Apr 23Oct 7Apr 18Nov 4
1997May 14Oct 14May 13Oct 24
1996Apr 30Sep 27Apr 22Oct 9
1995May 2Sep 22Apr 27Sep 22
1994May 1Sep 26Apr 30Oct 9
1993May 16Sep 27Apr 17Oct 9
1992no dataSep 28no dataOct 9
1991May 6Sep 19May 6Sep 19
1990May 10Sep 23May 2Oct 12
1989May 7Sep 13May 6Sep 23
1988no dataOct 4no dataOct 4

"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.