Last Frost Day

Frost history / Beach, ND

Beach, ND: frost dates by year

Last spring and first fall frost at NOAA station USC00320590, 1951 to 2008, measured from daily minimum temperatures.

Elevation 2,800 ft, 46.928, -104.016. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 19Sep 19
EarliestApr 29 (1955)Aug 25 (1992)
LatestJun 20 (1972)Oct 24 (1963)
Trend0.8 days earlier per decade0.8 days later per decade
Years with data4544

At 28°F (hard freeze) the median last spring date is May 8 and the median first fall date is Sep 27.

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 14Jun 29196019701980199020001951: May 271952: May 281953: May 161954: May 311955: Apr 291956: May 141957: May 231958: May 191959: May 231960: May 101961: May 141962: May 11963: May 221964: May 311965: May 281966: Jun 71967: May 121968: May 261969: Jun 201971: May 201972: Jun 201983: May 151985: Jun 41986: May 171988: May 31989: May 51990: May 91991: May 61992: Jun 51993: May 151994: May 41995: May 251996: May 131997: May 201998: Jun 41999: May 172000: Jun 22001: May 42002: May 242003: May 202004: Jun 182005: May 152006: May 142007: May 12008: May 11

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11196019701980199020001951: Sep 231952: Sep 221953: Sep 211954: Sep 211955: Sep 101956: Sep 41957: Sep 131958: Sep 161959: Sep 291960: Sep 171961: Sep 141962: Sep 31963: Oct 241964: Sep 111965: Sep 41966: Sep 141967: Sep 271968: Sep 221970: Sep 121971: Sep 181982: Sep 151983: Sep 191987: Oct 21988: Oct 21989: Sep 101990: Sep 281991: Sep 171992: Aug 251993: Sep 121994: Oct 91995: Sep 211996: Sep 241997: Sep 191998: Sep 211999: Sep 142000: Sep 232001: Oct 42002: Sep 222003: Sep 252004: Sep 72005: Sep 222006: Sep 172007: Sep 142008: Oct 6

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
2008May 11Oct 6May 3Oct 8
2007May 1Sep 14Apr 15Sep 14
2006May 14Sep 17May 11Oct 11
2005May 15Sep 22May 14Oct 5
2004Jun 18Sep 7May 14Oct 1
2003May 20Sep 25May 20Sep 29
2002May 24Sep 22May 17Oct 6
2001May 4Oct 4May 3Oct 4
2000Jun 2Sep 23May 18Sep 24
1999May 17Sep 14Apr 23Sep 14
1998Jun 4Sep 21May 2Oct 13
1997May 20Sep 19May 19Oct 9
1996May 13Sep 24May 11Oct 17
1995May 25Sep 21May 25Sep 21
1994May 4Oct 9Apr 30Oct 23
1993May 15Sep 12May 2Sep 13
1992Jun 5Aug 25Apr 22Oct 7
1991May 6Sep 17May 6Sep 17
1990May 9Sep 28May 9Sep 28
1989May 5Sep 10May 5Sep 11
1988May 3Oct 2May 2Oct 3
1987no dataOct 2no dataOct 2
1986May 17no dataApr 28no data
1985Jun 4no dataApr 27no data
1983May 15Sep 19May 14Sep 20
1982no dataSep 15no dataSep 15
1972Jun 20no dataMay 3no data
1971May 20Sep 18May 19Sep 21
1970no dataSep 12no dataSep 13
1969Jun 20no dataApr 28no data
1968May 26Sep 22May 20Oct 3
1967May 12Sep 27May 12Sep 27
1966Jun 7Sep 14May 9Oct 13
1965May 28Sep 4May 28Sep 5
1964May 31Sep 11May 12Sep 11
1963May 22Oct 24May 22Oct 26
1962May 1Sep 3Apr 15Oct 23
1961May 14Sep 14Apr 30Sep 24
1960May 10Sep 17May 7Sep 17
1959May 23Sep 29May 23Sep 30
1958May 19Sep 16Apr 29Sep 16
1957May 23Sep 13May 10Oct 5
1956May 14Sep 4May 4Sep 4
1955Apr 29Sep 10Apr 29Sep 10
1954May 31Sep 21May 8Sep 21
1953May 16Sep 21May 14Sep 21
1952May 28Sep 22May 28Oct 2
1951May 27Sep 23May 6Sep 27

"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.