Elnora, IN: frost dates by year

Last spring and first fall frost at NOAA station USC00122620, 2009 to 2025, measured from daily minimum temperatures.

Elevation 480 ft, 38.870, -87.092. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 16	Oct 22
Earliest	Mar 30 (2010)	Oct 5 (2010)
Latest	May 9 (2020)	Nov 12 (2016)
Trend	9.1 days later per decade	4.2 days later per decade
Years with data	15	17

At 28°F (hard freeze) the median last spring date is Apr 2 and the median first fall date is Nov 2.

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
2025	no data	Oct 24	no data	Nov 10
2024	Apr 6	Oct 17	Mar 28	Nov 26
2023	Apr 24	Oct 31	Mar 20	Oct 31
2022	Apr 19	Oct 18	Apr 2	Oct 20
2021	Apr 21	Nov 3	Apr 2	Nov 3
2020	May 9	Oct 5	Apr 16	Nov 2
2019	Apr 2	Nov 1	Apr 1	Nov 1
2018	Apr 29	Oct 16	Apr 8	Oct 21
2017	Apr 8	Oct 30	Mar 16	Nov 10
2016	Apr 12	Nov 12	Apr 9	Nov 13
2015	Apr 24	Oct 17	Mar 29	Oct 18
2014	Apr 16	Oct 30	Apr 16	Nov 2
2013	Apr 25	Oct 22	Apr 3	Oct 25
2012	Apr 12	Oct 8	Apr 11	Nov 1
2011	Mar 31	Oct 29	Mar 31	Nov 11
2010	Mar 30	Oct 5	Mar 7	Oct 29
2009	no data	Oct 18	no data	Dec 1

"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.