Last Frost Day

Frost history / Newport, NE

Newport, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00255925, 1951 to 2018, measured from daily minimum temperatures.

Elevation 2,230 ft, 42.601, -99.333. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 6Sep 30
EarliestApr 14 (1985)Sep 12 (1975)
LatestMay 28 (1965)Nov 3 (1998)
Trendlittle change (less than half a day per decade)little change (less than half a day per decade)
Years with data6464

At 28°F (hard freeze) the median last spring date is Apr 23 and the median first fall date is Oct 9.

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 31Apr 15Apr 30May 15May 30Jun 141960197019801990200020101951: May 71952: May 111953: May 211954: May 81955: Apr 211957: Apr 171961: May 91962: Apr 171963: May 221964: May 131965: May 281966: May 131967: May 61968: May 211969: May 121970: May 21971: May 21972: May 71973: Apr 271974: May 151975: May 11976: May 71977: Apr 211978: Apr 211979: May 111980: May 81981: May 101982: Apr 301983: Apr 161984: May 91985: Apr 141986: Apr 221987: Apr 221988: Apr 271989: May 61990: May 181991: May 61992: Apr 271993: Apr 211994: Apr 301995: Apr 271996: Apr 291997: May 201998: Apr 291999: Apr 182000: May 132001: Apr 242002: May 242003: May 202004: May 142005: May 42006: May 122007: Apr 202008: May 142009: May 172010: Apr 172011: May 32012: Apr 222013: May 62014: May 162015: May 192016: May 142017: May 212018: Apr 28

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101951: Sep 271952: Oct 21953: Sep 211954: Oct 161955: Oct 141957: Oct 171959: Sep 301961: Sep 251962: Oct 201963: Oct 281964: Sep 271965: Sep 171966: Oct 11967: Sep 271968: Oct 31969: Oct 81970: Sep 261971: Sep 191972: Sep 261973: Oct 271974: Sep 131975: Sep 121976: Sep 281977: Oct 91978: Oct 61979: Oct 41980: Oct 241981: Sep 171982: Sep 251983: Sep 211984: Sep 251985: Sep 241986: Oct 121987: Oct 21988: Oct 41989: Sep 131990: Sep 231991: Sep 191992: Sep 281993: Oct 91994: Oct 231995: Sep 211996: Oct 31997: Oct 131998: Nov 31999: Sep 212000: Sep 252001: Sep 242002: Oct 132003: Sep 192004: Oct 22005: Sep 292006: Sep 192007: Sep 142008: Oct 142009: Sep 292010: Oct 32011: Oct 162012: Sep 222013: Oct 62014: Oct 42015: Oct 162016: Oct 72017: Sep 30

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
2018Apr 28no dataApr 20no data
2017May 21Sep 30Apr 28Oct 10
2016May 14Oct 7Apr 12Oct 13
2015May 19Oct 16May 19Oct 16
2014May 16Oct 4May 15Oct 4
2013May 6Oct 6May 4Oct 18
2012Apr 22Sep 22Apr 11Oct 5
2011May 3Oct 16May 3Oct 20
2010Apr 17Oct 3Apr 17Oct 19
2009May 17Sep 29May 17Oct 9
2008May 14Oct 14May 11Oct 27
2007Apr 20Sep 14Apr 14Oct 22
2006May 12Sep 19Apr 26Oct 12
2005May 4Sep 29May 3Oct 7
2004May 14Oct 2May 14Oct 2
2003May 20Sep 19Apr 9Oct 1
2002May 24Oct 13May 2Oct 19
2001Apr 24Sep 24Apr 23Oct 16
2000May 13Sep 25Apr 21Oct 6
1999Apr 18Sep 21Apr 17Oct 2
1998Apr 29Nov 3Apr 17Nov 4
1997May 20Oct 13Apr 16Oct 25
1996Apr 29Oct 3Apr 22Oct 18
1995Apr 27Sep 21Apr 19Sep 22
1994Apr 30Oct 23Apr 30Oct 25
1993Apr 21Oct 9Apr 16Oct 9
1992Apr 27Sep 28Apr 26Oct 9
1991May 6Sep 19May 5Sep 19
1990May 18Sep 23May 1Oct 9
1989May 6Sep 13May 6Sep 23
1988Apr 27Oct 4Apr 27Oct 4
1987Apr 22Oct 2Apr 11Oct 7
1986Apr 22Oct 12Apr 21Oct 13
1985Apr 14Sep 24Apr 8Oct 1
1984May 9Sep 25Apr 30Sep 26
1983Apr 16Sep 21Apr 15Oct 12
1982Apr 30Sep 25Apr 22Oct 21
1981May 10Sep 17May 10Oct 22
1980May 8Oct 24May 8Oct 24
1979May 11Oct 4May 11Oct 13
1978Apr 21Oct 6Apr 21Oct 6
1977Apr 21Oct 9Apr 5Oct 12
1976May 7Sep 28May 7Sep 28
1975May 1Sep 12Apr 20Oct 25
1974May 15Sep 13Apr 23Sep 30
1973Apr 27Oct 27Apr 16Oct 29
1972May 7Sep 26May 7Oct 18
1971May 2Sep 19Apr 6Oct 28
1970May 2Sep 26Apr 21Oct 9
1969May 12Oct 8Apr 18Oct 8
1968May 21Oct 3Apr 24Oct 3
1967May 6Sep 27May 3Sep 28
1966May 13Oct 1May 13Oct 15
1965May 28Sep 17Apr 28Sep 24
1964May 13Sep 27Apr 8Oct 5
1963May 22Oct 28May 22Oct 28
1962Apr 17Oct 20Apr 15Oct 23
1961May 9Sep 25May 9Oct 1
1959no dataSep 30no dataSep 30
1957Apr 17Oct 17Apr 14Oct 24
1955Apr 21Oct 14Apr 7Oct 17
1954May 8Oct 16May 3Oct 27
1953May 21Sep 21May 14Oct 4
1952May 11Oct 2Apr 14Oct 5
1951May 7Sep 27Apr 22Sep 28

"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.