Last Frost Day

Frost history / Rushville, NE

Rushville, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00257415, 1990 to 2006, measured from daily minimum temperatures.

Elevation 3,790 ft, 42.755, -102.479. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 11Sep 23
EarliestApr 26 (2006)Sep 13 (1993)
LatestMay 26 (1992)Oct 9 (1997)
Trend1.6 days earlier per decade1.7 days later per decade
Years with data1315

At 28°F (hard freeze) the median last spring date is May 2 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)

Apr 15Apr 30May 15May 30Jun 14199020001991: May 81992: May 261993: May 21994: May 71995: May 41996: May 111997: May 191998: May 71999: May 122000: May 132004: May 162005: May 162006: Apr 26

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27199020001990: Sep 231991: Sep 181992: Sep 281993: Sep 131994: Oct 91995: Sep 201996: Sep 261997: Oct 91998: Oct 71999: Sep 132000: Sep 232001: Oct 52002: Sep 222004: Oct 22006: Sep 19

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
2006Apr 26Sep 19Apr 26Oct 12
2005May 16no dataMay 3no data
2004May 16Oct 2May 16Oct 14
2002no dataSep 22no dataOct 13
2001no dataOct 5no dataOct 6
2000May 13Sep 23Apr 21Sep 25
1999May 12Sep 13Apr 19Sep 29
1998May 7Oct 7May 2Oct 18
1997May 19Oct 9May 9Oct 13
1996May 11Sep 26Apr 29Oct 17
1995May 4Sep 20Apr 27Sep 22
1994May 7Oct 9Apr 30Oct 23
1993May 2Sep 13May 2Sep 14
1992May 26Sep 28May 26Sep 28
1991May 8Sep 18May 8Sep 18
1990no dataSep 23no dataOct 9

"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.