Frost history / Hillsdale Lake, KS

Hillsdale Lake, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00143686, 1986 to 2000, measured from daily minimum temperatures.

Elevation 1,010 ft, 38.664, -94.890. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 6	Oct 25
Earliest	Mar 24 (1998)	Oct 10 (1993)
Latest	Apr 18 (1999)	Nov 9 (1986)
Trend	3.2 days later per decade	little change (less than half a day per decade)
Years with data	14	14

At 28°F (hard freeze) the median last spring date is Apr 3 and the median first fall date is Nov 4.

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
2000	Apr 9	no data	Mar 29	no data
1999	Apr 18	Oct 24	Mar 26	Nov 25
1998	Mar 24	Nov 6	Mar 22	Dec 8
1997	Apr 15	Oct 27	Apr 14	Oct 27
1996	Apr 7	Oct 23	Apr 7	Nov 2
1995	Apr 5	Nov 3	Mar 30	Nov 3
1994	Apr 8	Oct 26	Apr 7	Nov 29
1993	Apr 6	Oct 10	Apr 3	Oct 30
1992	Apr 3	Oct 17	Apr 3	Nov 6
1991	Mar 31	Oct 19	Mar 30	Oct 19
1990	Apr 13	Nov 5	Apr 7	Nov 8
1989	Apr 12	Oct 20	Apr 11	Oct 20
1988	Mar 30	Oct 28	Mar 20	Nov 17
1987	Apr 5	Oct 21	Apr 4	Oct 21
1986	no data	Nov 9	no data	Nov 10

"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.