Last Frost Day

Frost history / Alvord 3 N, TX

Alvord 3 N, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00410206, 2004 to 2019, measured from daily minimum temperatures.

Elevation 1,010 ft, 33.387, -97.716. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 2Oct 29
EarliestMar 5 (2012)Oct 8 (2012)
LatestMay 4 (2013)Nov 22 (2015)
Trend5.0 days earlier per decade4.3 days later per decade
Years with data1515

At 28°F (hard freeze) the median last spring date is Mar 21 and the median first fall date is Nov 12.

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)

Feb 14Mar 1Mar 16Mar 31Apr 15Apr 30May 1520102004: Apr 142005: Apr 22006: Mar 252007: Apr 152008: Apr 142010: Mar 292011: Apr 62012: Mar 52013: May 42014: May 12015: Mar 82016: Mar 282017: Mar 152018: Apr 162019: Apr 1

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 1120102004: Nov 42005: Oct 242006: Oct 232008: Oct 232009: Nov 182010: Oct 292011: Oct 292012: Oct 82013: Nov 72014: Nov 122015: Nov 222016: Nov 192017: Oct 282018: Nov 102019: Oct 12

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
2019Apr 1Oct 12Mar 17Oct 12
2018Apr 16Nov 10Mar 14Nov 13
2017Mar 15Oct 28Mar 14Oct 28
2016Mar 28Nov 19Mar 21Nov 19
2015Mar 8Nov 22Mar 7Nov 22
2014May 1Nov 12Apr 15Nov 12
2013May 4Nov 7Mar 27Nov 13
2012Mar 5Oct 8Mar 4Oct 28
2011Apr 6Oct 29Apr 5Nov 4
2010Mar 29Oct 29Mar 23Nov 5
2009no dataNov 18no dataNov 18
2008Apr 14Oct 23Mar 25Oct 28
2007Apr 15no dataMar 5no data
2006Mar 25Oct 23Mar 25Nov 20
2005Apr 2Oct 24Mar 17Oct 25
2004Apr 14Nov 4Apr 14Nov 25

"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.