Ragan, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00257002, 1992 to 2009, measured from daily minimum temperatures.

Elevation 2,240 ft, 40.312, -99.290. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 26	Oct 13
Earliest	Apr 10 (2003)	Sep 21 (1995)
Latest	May 28 (1992)	Nov 4 (1998)
Trend	5.8 days earlier per decade	10.0 days later per decade
Years with data	17	16

At 28°F (hard freeze) the median last spring date is Apr 14 and the median first fall date is Oct 24.

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
2009	Apr 28	no data	Apr 8	no data
2008	May 11	Oct 27	Apr 13	Oct 27
2007	Apr 13	Nov 1	Apr 9	Nov 6
2006	Apr 26	Oct 12	Mar 28	Oct 19
2005	May 3	Oct 7	May 2	Oct 23
2004	Apr 14	Oct 14	Apr 13	Nov 2
2003	Apr 10	Oct 26	Apr 9	Oct 26
2002	May 2	Oct 13	Apr 4	Oct 23
2001	no data	Oct 16	no data	Oct 25
2000	Apr 21	Sep 25	Apr 17	Oct 6
1999	Apr 18	Sep 27	Apr 18	Oct 4
1998	Apr 20	Nov 4	Apr 17	Nov 10
1997	May 13	Oct 25	Apr 14	Oct 26
1996	Apr 22	Oct 10	Apr 13	Oct 18
1995	Apr 27	Sep 21	Apr 27	Sep 22
1994	May 1	no data	Apr 29	no data
1993	Apr 21	Oct 9	Apr 16	Oct 27
1992	May 28	Oct 9	Apr 22	Oct 16

"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.