Last Frost Day

Frost history / Sines Deep Creek, MD

Sines Deep Creek, MD: frost dates by year

Last spring and first fall frost at NOAA station USC00188315, 1951 to 2013, measured from daily minimum temperatures.

Elevation 2,040 ft, 39.523, -79.413. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 14Sep 25
EarliestApr 22 (1953)Sep 10 (1956)
LatestMay 31 (1961)Oct 21 (1960)
Trend1.3 days later per decade0.5 days earlier per decade
Years with data1412

At 28°F (hard freeze) the median last spring date is Apr 29 and the median first fall date is Oct 7.

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)

Apr 15Apr 30May 15May 30Jun 141960197019801990200020101951: May 141952: May 31953: Apr 221954: May 231955: May 181956: May 251957: May 71958: May 131959: May 171960: May 31961: May 311962: May 102012: May 122013: May 27

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 271960197019801990200020101952: Oct 31953: Sep 141954: Oct 71955: Oct 91956: Sep 101957: Sep 251959: Sep 181960: Oct 211961: Sep 291962: Sep 222012: Sep 252013: Sep 24

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
2013May 27Sep 24May 16Oct 26
2012May 12Sep 25Apr 24Oct 12
1962May 10Sep 22Apr 21Sep 22
1961May 31Sep 29May 5Oct 4
1960May 3Oct 21May 2Oct 21
1959May 17Sep 18Apr 24Oct 19
1958May 13no dataApr 26no data
1957May 7Sep 25May 6Sep 28
1956May 25Sep 10May 17Sep 21
1955May 18Oct 9Apr 10Oct 25
1954May 23Oct 7May 5Oct 7
1953Apr 22Sep 14Apr 22Oct 8
1952May 3Oct 3May 3Oct 4
1951May 14no dataApr 21no data

"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.