Last Frost Day

Frost history / Ponca City Muni Ap, OK

Ponca City Muni Ap, OK: frost dates by year

Last spring and first fall frost at NOAA station USW00013969, 1951 to 2024, measured from daily minimum temperatures.

Elevation 1,000 ft, 36.737, -97.102. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 8Oct 27
EarliestMar 10 (2012)Sep 30 (1984)
LatestMay 13 (1966)Nov 24 (2004)
Trend0.9 days earlier per decadelittle change (less than half a day per decade)
Years with data7474

At 28°F (hard freeze) the median last spring date is Mar 26 and the median first fall date is Nov 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)

Mar 1Mar 16Mar 31Apr 15Apr 30May 15May 3019601970198019902000201020201951: Apr 161952: Apr 101953: Apr 201954: May 31955: Mar 281956: Apr 171957: Apr 141958: Apr 71959: Apr 131960: Mar 251961: Apr 171962: Apr 131963: Mar 211964: Apr 91965: Apr 281966: May 131967: May 21968: Apr 51969: Mar 301970: Apr 141971: Apr 141972: Apr 41973: Apr 101974: Apr 51975: Apr 121976: Apr 51977: Apr 51978: Apr 201979: Apr 61980: Apr 151981: Mar 231982: Apr 221983: Apr 151984: Apr 51985: Apr 11986: Mar 211987: Apr 51988: Mar 191989: Apr 101990: Apr 71991: Mar 301992: Apr 31993: Apr 21994: Apr 61995: Apr 111996: Apr 61997: Apr 131998: Mar 221999: Mar 262000: Apr 42001: Apr 182002: Apr 52003: Apr 92004: Mar 162005: Apr 302006: Mar 282007: Apr 122008: Apr 142009: Apr 72010: Apr 82011: Apr 52012: Mar 102013: May 32014: Apr 182015: Apr 102016: Apr 22017: Mar 152018: Apr 192019: Apr 12020: Apr 132021: Apr 212022: Apr 142023: Apr 232024: Mar 28

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26Dec 1119601970198019902000201020201951: Oct 311952: Oct 71953: Nov 81954: Oct 301955: Oct 241956: Nov 81957: Oct 251958: Nov 171959: Nov 51960: Oct 201961: Oct 261962: Oct 251963: Nov 11964: Oct 191965: Oct 121966: Oct 151967: Nov 11968: Oct 281969: Oct 141970: Oct 161971: Nov 31972: Oct 191973: Oct 291974: Nov 61975: Oct 251976: Oct 81977: Oct 121978: Oct 241979: Nov 11980: Oct 291981: Oct 231982: Oct 201983: Nov 101984: Sep 301985: Nov 21986: Nov 101987: Nov 101988: Nov 161989: Oct 191990: Oct 221991: Oct 301992: Nov 41993: Oct 211994: Oct 261995: Nov 21996: Nov 171997: Nov 61998: Nov 111999: Nov 242000: Oct 82001: Oct 162002: Oct 142003: Nov 62004: Nov 242005: Oct 242006: Oct 222007: Nov 12008: Oct 272009: Oct 272010: Oct 292011: Oct 192012: Oct 72013: Oct 192014: Oct 312015: Nov 82016: Nov 132017: Oct 272018: Oct 162019: Oct 122020: Oct 262021: Nov 132022: Oct 182023: Oct 302024: Oct 16

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 28Oct 16Mar 27Nov 25
2023Apr 23Oct 30Mar 27Oct 31
2022Apr 14Oct 18Apr 14Oct 19
2021Apr 21Nov 13Mar 2Nov 13
2020Apr 13Oct 26Mar 6Nov 13
2019Apr 1Oct 12Mar 31Oct 29
2018Apr 19Oct 16Apr 16Nov 9
2017Mar 15Oct 27Mar 12Oct 28
2016Apr 2Nov 13Mar 25Nov 19
2015Apr 10Nov 8Apr 4Nov 13
2014Apr 18Oct 31Apr 15Nov 1
2013May 3Oct 19Mar 26Nov 12
2012Mar 10Oct 7Mar 4Oct 26
2011Apr 5Oct 19Mar 15Oct 20
2010Apr 8Oct 29Mar 22Nov 5
2009Apr 7Oct 27Apr 7Nov 26
2008Apr 14Oct 27Apr 14Oct 27
2007Apr 12Nov 1Apr 8Nov 15
2006Mar 28Oct 22Mar 25Oct 22
2005Apr 30Oct 24Mar 14Oct 25
2004Mar 16Nov 24Mar 16Nov 30
2003Apr 9Nov 6Apr 9Nov 6
2002Apr 5Oct 14Apr 3Nov 16
2001Apr 18Oct 16Mar 25Oct 16
2000Apr 4Oct 8Mar 11Oct 8
1999Mar 26Nov 24Mar 15Nov 24
1998Mar 22Nov 11Mar 21Dec 20
1997Apr 13Nov 6Apr 13Nov 7
1996Apr 6Nov 17Apr 6Nov 24
1995Apr 11Nov 2Mar 9Nov 3
1994Apr 6Oct 26Apr 6Nov 23
1993Apr 2Oct 21Apr 2Oct 30
1992Apr 3Nov 4Mar 23Nov 5
1991Mar 30Oct 30Mar 8Nov 1
1990Apr 7Oct 22Mar 24Nov 28
1989Apr 10Oct 19Mar 22Oct 20
1988Mar 19Nov 16Mar 19Nov 20
1987Apr 5Nov 10Apr 3Nov 10
1986Mar 21Nov 10Mar 20Nov 11
1985Apr 1Nov 2Mar 5Nov 19
1984Apr 5Sep 30Mar 20Sep 30
1983Apr 15Nov 10Mar 22Nov 11
1982Apr 22Oct 20Apr 22Nov 4
1981Mar 23Oct 23Mar 19Nov 10
1980Apr 15Oct 29Mar 21Oct 29
1979Apr 6Nov 1Mar 25Nov 3
1978Apr 20Oct 24Mar 26Nov 7
1977Apr 5Oct 12Mar 22Nov 21
1976Apr 5Oct 8Apr 1Oct 17
1975Apr 12Oct 25Apr 3Oct 25
1974Apr 5Nov 6Mar 25Nov 14
1973Apr 10Oct 29Apr 10Dec 5
1972Apr 4Oct 19Apr 4Nov 22
1971Apr 14Nov 3Apr 14Nov 6
1970Apr 14Oct 16Apr 2Nov 5
1969Mar 30Oct 14Mar 30Oct 14
1968Apr 5Oct 28Apr 5Nov 8
1967May 2Nov 1Mar 18Nov 4
1966May 13Oct 15Apr 21Oct 16
1965Apr 28Oct 12Mar 26Nov 17
1964Apr 9Oct 19Apr 9Nov 19
1963Mar 21Nov 1Mar 21Nov 13
1962Apr 13Oct 25Apr 2Nov 5
1961Apr 17Oct 26Apr 17Nov 3
1960Mar 25Oct 20Mar 25Nov 9
1959Apr 13Nov 5Mar 22Nov 5
1958Apr 7Nov 17Mar 18Nov 18
1957Apr 14Oct 25Apr 13Oct 25
1956Apr 17Nov 8Mar 19Nov 16
1955Mar 28Oct 24Mar 28Nov 3
1954May 3Oct 30Apr 1Nov 2
1953Apr 20Nov 8Apr 16Nov 9
1952Apr 10Oct 7Apr 10Oct 7
1951Apr 16Oct 31Mar 30Nov 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.