Last Frost Day

Frost history / Aberdeen Phillips Fld, MD

Aberdeen Phillips Fld, MD: frost dates by year

Last spring and first fall frost at NOAA station USW00013701, 1951 to 2024, measured from daily minimum temperatures.

Elevation 57 ft, 39.472, -76.170. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 11Oct 31
EarliestMar 19 (1978)Oct 4 (1974)
LatestMay 8 (1974)Nov 25 (1985)
Trend0.8 days earlier per decade0.5 days later per decade
Years with data4340

At 28°F (hard freeze) the median last spring date is Mar 29 and the median first fall date is Nov 11.

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 1Mar 16Mar 31Apr 15Apr 30May 1519601970198019902000201020201951: Mar 271952: Apr 101953: Apr 221954: Apr 51955: Mar 311956: Apr 211957: Apr 151967: Apr 271968: Apr 61969: Apr 131970: Apr 111971: Apr 111972: Apr 101973: Apr 151974: May 81975: Apr 221976: Apr 131977: Apr 101978: Mar 191979: Apr 111980: Apr 221981: Apr 211982: Apr 101983: Apr 11985: Apr 102007: Apr 142008: Mar 312009: Apr 142010: Mar 282011: Mar 312012: Mar 282013: Apr 52014: Apr 172015: Apr 252016: Apr 112017: Mar 252018: Apr 212019: Apr 32020: Apr 232021: Apr 42022: Apr 112023: Apr 102024: Mar 25

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 1119601970198019902000201020201951: Nov 31952: Oct 211953: Nov 51954: Nov 11955: Nov 81956: Nov 101966: Oct 311967: Oct 301969: Oct 231971: Nov 51972: Oct 111973: Nov 71974: Oct 41975: Oct 311976: Oct 191977: Oct 181978: Oct 181979: Nov 61980: Oct 311981: Oct 201982: Oct 181985: Nov 252007: Oct 292008: Oct 202009: Nov 72010: Nov 22011: Oct 312012: Nov 62013: Nov 92014: Nov 82015: Oct 192016: Oct 262017: Nov 112018: Oct 222019: Nov 22020: Nov 192021: Nov 42022: Oct 212023: Nov 32024: Oct 28

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
2024Mar 25Oct 28Mar 2Nov 13
2023Apr 10Nov 3Mar 22Nov 13
2022Apr 11Oct 21Mar 30Nov 21
2021Apr 4Nov 4Apr 4Nov 20
2020Apr 23Nov 19Mar 3Nov 19
2019Apr 3Nov 2Mar 20Nov 9
2018Apr 21Oct 22Mar 27Nov 11
2017Mar 25Nov 11Mar 24Nov 11
2016Apr 11Oct 26Apr 6Nov 13
2015Apr 25Oct 19Mar 30Dec 6
2014Apr 17Nov 8Mar 28Nov 16
2013Apr 5Nov 9Apr 5Nov 9
2012Mar 28Nov 6Mar 7Nov 26
2011Mar 31Oct 31Mar 30Nov 12
2010Mar 28Nov 2Feb 27Nov 29
2009Apr 14Nov 7Mar 26Dec 6
2008Mar 31Oct 20Mar 29Nov 19
2007Apr 14Oct 29Apr 8Nov 24
1985Apr 10Nov 25Apr 10Dec 3
1983Apr 1no dataMar 30no data
1982Apr 10Oct 18Apr 8Nov 16
1981Apr 21Oct 20Mar 20Oct 20
1980Apr 22Oct 31Apr 17Oct 31
1979Apr 11Nov 6Mar 28Nov 8
1978Mar 19Oct 18Mar 9Nov 29
1977Apr 10Oct 18Apr 7Nov 14
1976Apr 13Oct 19Apr 13Oct 19
1975Apr 22Oct 31Mar 28Oct 31
1974May 8Oct 4Apr 10Oct 20
1973Apr 15Nov 7Apr 11Nov 8
1972Apr 10Oct 11Apr 9Oct 20
1971Apr 11Nov 5Mar 26Nov 9
1970Apr 11no dataApr 1no data
1969Apr 13Oct 23Apr 1Oct 24
1968Apr 6no dataMar 25no data
1967Apr 27Oct 30Mar 20Nov 6
1966no dataOct 31no dataOct 31
1957Apr 15no dataMar 11no data
1956Apr 21Nov 10Apr 1Nov 11
1955Mar 31Nov 8Mar 29Nov 9
1954Apr 5Nov 1Apr 4Nov 8
1953Apr 22Nov 5Mar 11Nov 8
1952Apr 10Oct 21Mar 18Oct 26
1951Mar 27Nov 3Mar 27Nov 3

"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.