Last Frost Day

Frost history / Chappell, NE

Chappell, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00251602, 2001 to 2025, measured from daily minimum temperatures.

Elevation 3,710 ft, 41.094, -102.472. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 11Oct 5
EarliestApr 9 (2012)Sep 9 (2020)
LatestMay 25 (2001)Oct 16 (2007)
Trend0.8 days earlier per decade0.6 days later per decade
Years with data1814

At 28°F (hard freeze) the median last spring date is Apr 26 and the median first fall date is Oct 14.

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 30201020202001: May 252002: May 102003: May 202007: Apr 152011: May 152012: Apr 92013: May 52014: May 152015: May 112017: May 242018: Apr 272019: May 232020: May 112021: May 122022: May 222023: May 32024: May 52025: May 3

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27201020202001: Oct 52002: Sep 222003: Oct 12007: Oct 162013: Oct 52014: Sep 122016: Oct 62017: Oct 92019: Oct 32020: Sep 92021: Oct 142022: Oct 82023: Oct 72024: Oct 1

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
2025May 3no dataApr 20no data
2024May 5Oct 1May 4Oct 1
2023May 3Oct 7May 2Oct 7
2022May 22Oct 8May 4Oct 17
2021May 12Oct 14Apr 25Oct 15
2020May 11Sep 9Apr 19Oct 16
2019May 23Oct 3May 10Oct 3
2018Apr 27no dataApr 25no data
2017May 24Oct 9Apr 26Oct 10
2016no dataOct 6no dataNov 8
2015May 11no dataApr 21no data
2014May 15Sep 12May 2Oct 28
2013May 5Oct 5May 5Oct 16
2012Apr 9no dataMar 21no data
2011May 15no dataMay 3no data
2007Apr 15Oct 16Apr 14Oct 16
2003May 20Oct 1Apr 9Oct 2
2002May 10Sep 22May 9Oct 13
2001May 25Oct 5Apr 23Oct 6

"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.