Last Frost Day

Frost history / Streeter 5 Nw, ND

Streeter 5 Nw, ND: frost dates by year

Last spring and first fall frost at NOAA station USC00328415, 1987 to 2025, measured from daily minimum temperatures.

Elevation 1,961 ft, 46.715, -99.448. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 14Sep 27
EarliestApr 24 (2001)Sep 8 (2008)
LatestJun 7 (1998)Oct 21 (2021)
Trend3.3 days earlier per decade5.0 days later per decade
Years with data3638

At 28°F (hard freeze) the median last spring date is May 10 and the median first fall date is Oct 6.

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 1419902000201020201988: May 161989: May 61990: May 181991: May 91992: Jun 71993: May 201994: May 91995: May 251996: May 141997: May 201998: Jun 71999: May 92000: May 142001: Apr 242003: May 202004: May 152005: May 152006: May 162007: May 262008: May 272009: May 172010: May 102011: May 32012: Apr 272013: May 122014: May 162015: May 192016: May 152017: May 22018: May 112019: May 202020: May 122021: May 112022: May 32023: May 22025: Apr 29

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 2719902000201020201987: Oct 21988: Sep 271989: Sep 101990: Sep 231991: Sep 181992: Sep 221993: Sep 151994: Sep 281995: Sep 201996: Sep 251997: Sep 201998: Sep 211999: Sep 292001: Sep 232002: Sep 272003: Sep 192004: Sep 282005: Oct 62006: Sep 202007: Sep 152008: Sep 82009: Oct 82010: Sep 182011: Sep 222012: Sep 222013: Oct 72014: Oct 42015: Oct 172016: Oct 62017: Oct 92018: Sep 282019: Oct 42020: Sep 82021: Oct 212022: Oct 52023: Oct 72024: Oct 142025: Oct 18

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
2025Apr 29Oct 18Apr 29Oct 28
2024no dataOct 14no dataOct 14
2023May 2Oct 7May 2Oct 7
2022May 3Oct 5May 2Oct 6
2021May 11Oct 21May 11Oct 21
2020May 12Sep 8May 12Oct 15
2019May 20Oct 4May 10Oct 12
2018May 11Sep 28Apr 29Oct 4
2017May 2Oct 9Apr 30Oct 10
2016May 15Oct 6May 14Oct 8
2015May 19Oct 17May 19Oct 17
2014May 16Oct 4May 15Oct 4
2013May 12Oct 7May 12Oct 21
2012Apr 27Sep 22Apr 17Sep 22
2011May 3Sep 22May 2Oct 18
2010May 10Sep 18May 10Oct 21
2009May 17Oct 8May 16Oct 9
2008May 27Sep 8May 14Oct 14
2007May 26Sep 15Apr 18Oct 14
2006May 16Sep 20May 12Sep 20
2005May 15Oct 6May 15Oct 6
2004May 15Sep 28May 15Oct 2
2003May 20Sep 19May 20Sep 19
2002no dataSep 27no dataOct 2
2001Apr 24Sep 23Apr 24Oct 5
2000May 14no dataMay 14no data
1999May 9Sep 29Apr 20Oct 1
1998Jun 7Sep 21Apr 18Sep 23
1997May 20Sep 20May 20Oct 14
1996May 14Sep 25May 10Sep 29
1995May 25Sep 20Apr 30Sep 20
1994May 9Sep 28May 2Oct 9
1993May 20Sep 15May 20Sep 17
1992Jun 7Sep 22May 23Sep 22
1991May 9Sep 18May 4Sep 20
1990May 18Sep 23May 18Oct 7
1989May 6Sep 10May 6Sep 23
1988May 16Sep 27May 16Oct 4
1987no dataOct 2no dataOct 2

"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.