Last Frost Day

Frost history / Howells, NE

Howells, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00254035, 1998 to 2025, measured from daily minimum temperatures.

Elevation 1,520 ft, 41.718, -97.003. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 25Oct 7
EarliestApr 9 (2006)Sep 13 (2014)
LatestMay 17 (2014)Oct 25 (2008)
Trend2.5 days later per decade4.6 days later per decade
Years with data2525

At 28°F (hard freeze) the median last spring date is Apr 18 and the median first fall date is Oct 18.

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 302000201020201998: Apr 201999: Apr 192000: Apr 212001: Apr 262002: Apr 252003: Apr 102004: May 142005: May 42006: Apr 92007: Apr 152008: May 42009: Apr 152010: Apr 92011: May 42012: Apr 242013: May 122014: May 172015: Apr 272016: May 32017: May 12021: Apr 222022: Apr 262023: May 32024: Apr 212025: Apr 22

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 112000201020201998: Oct 11999: Sep 212000: Oct 72001: Oct 62002: Oct 72003: Sep 252004: Oct 22006: Oct 122007: Oct 112008: Oct 252009: Oct 42010: Oct 42011: Oct 162012: Oct 52013: Oct 172014: Sep 132015: Oct 162016: Oct 132017: Oct 112020: Oct 22021: Oct 222022: Oct 82023: Oct 72024: Oct 142025: Oct 22

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
2025Apr 22Oct 22Apr 22Oct 30
2024Apr 21Oct 14Apr 20Oct 16
2023May 3Oct 7Apr 23Oct 27
2022Apr 26Oct 8Apr 26Oct 8
2021Apr 22Oct 22Apr 22Oct 22
2020no dataOct 2no dataOct 24
2017May 1Oct 11Apr 10Oct 28
2016May 3Oct 13Apr 12Oct 13
2015Apr 27Oct 16Apr 22Oct 30
2014May 17Sep 13May 16Oct 11
2013May 12Oct 17Apr 25Oct 21
2012Apr 24Oct 5Apr 12Oct 6
2011May 4Oct 16Apr 25Oct 21
2010Apr 9Oct 4Apr 9Oct 28
2009Apr 15Oct 4Apr 15Oct 4
2008May 4Oct 25Apr 28Oct 28
2007Apr 15Oct 11Apr 15Oct 28
2006Apr 9Oct 12Mar 27Oct 12
2005May 4no dataMay 1no data
2004May 14Oct 2Apr 14Oct 2
2003Apr 10Sep 25Apr 10Oct 1
2002Apr 25Oct 7Apr 23Oct 13
2001Apr 26Oct 6Apr 18Oct 6
2000Apr 21Oct 7Apr 16Oct 7
1999Apr 19Sep 21Apr 18Oct 18
1998Apr 20Oct 1Apr 18Oct 22

"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.