Last Frost Day

Frost history / Monahans, TX

Monahans, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00415999, 1959 to 2008, measured from daily minimum temperatures.

Elevation 2,547 ft, 31.541, -102.912. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 31Nov 7
EarliestFeb 17 (2004)Oct 8 (1970)
LatestApr 29 (2008)Dec 7 (1998)
Trend3.8 days later per decadelittle change (less than half a day per decade)
Years with data3940

At 28°F (hard freeze) the median last spring date is Mar 15 and the median first fall date is Nov 15.

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)

Jan 30Feb 14Mar 1Mar 16Mar 31Apr 15Apr 30May 15196019701980199020001960: Mar 181961: Mar 201962: Mar 161963: Mar 71964: Mar 261965: Mar 261966: Mar 231967: Mar 81968: Mar 221969: Mar 251971: Apr 51972: Mar 311975: Mar 311976: Mar 311977: Mar 81978: Mar 161980: Apr 141981: Apr 61985: Mar 311986: Mar 211987: Apr 31988: Mar 201989: Mar 221990: Mar 251991: Apr 291992: Apr 31993: Apr 91994: Apr 71995: Apr 241996: Apr 61997: Apr 141998: Apr 11999: Mar 202000: Apr 22002: Mar 252003: Apr 92004: Feb 172005: Apr 22008: Apr 29

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11Dec 26196019701980199020001959: Nov 61960: Oct 311961: Nov 151962: Nov 81963: Nov 231964: Nov 61965: Nov 271966: Nov 21967: Nov 41968: Nov 111969: Nov 31970: Oct 81971: Nov 21974: Nov 251975: Nov 121976: Oct 81977: Nov 21979: Nov 111980: Oct 291981: Nov 201984: Nov 111985: Nov 151986: Nov 131987: Nov 101988: Nov 161989: Oct 191990: Oct 221991: Oct 311992: Nov 21993: Oct 221994: Nov 101995: Nov 141996: Oct 221997: Oct 271998: Dec 71999: Nov 32002: Nov 162003: Nov 182004: Nov 12005: Nov 15

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
2008Apr 29no dataMar 19no data
2005Apr 2Nov 15Mar 17Nov 15
2004Feb 17Nov 1Feb 16Nov 30
2003Apr 9Nov 18Mar 29Nov 19
2002Mar 25Nov 16Mar 5Nov 27
2000Apr 2no dataApr 2no data
1999Mar 20Nov 3Mar 14Nov 25
1998Apr 1Dec 7Mar 11Dec 8
1997Apr 14Oct 27Apr 13Nov 15
1996Apr 6Oct 22Mar 28Oct 23
1995Apr 24Nov 14Mar 9Nov 29
1994Apr 7Nov 10Mar 29Nov 28
1993Apr 9Oct 22Mar 14Oct 30
1992Apr 3Nov 2Mar 12Nov 5
1991Apr 29Oct 31Feb 20Oct 31
1990Mar 25Oct 22Mar 15Nov 5
1989Mar 22Oct 19Mar 22Oct 19
1988Mar 20Nov 16Mar 19Nov 16
1987Apr 3Nov 10Apr 3Nov 10
1986Mar 21Nov 13Mar 20Nov 13
1985Mar 31Nov 15Mar 31Nov 20
1984no dataNov 11no dataNov 27
1981Apr 6Nov 20Feb 22Dec 18
1980Apr 14Oct 29Mar 2Oct 29
1979no dataNov 11no dataNov 11
1978Mar 16no dataMar 4no data
1977Mar 8Nov 2Mar 8Dec 6
1976Mar 31Oct 8Feb 27Nov 13
1975Mar 31Nov 12Mar 30Nov 13
1974no dataNov 25no dataNov 30
1972Mar 31no dataMar 29no data
1971Apr 5Nov 2Mar 3Nov 27
1970no dataOct 8no dataOct 23
1969Mar 25Nov 3Mar 12Nov 15
1968Mar 22Nov 11Mar 22Nov 28
1967Mar 8Nov 4Mar 8Dec 3
1966Mar 23Nov 2Mar 5Nov 2
1965Mar 26Nov 27Mar 26Dec 20
1964Mar 26Nov 6Mar 15Nov 20
1963Mar 7Nov 23Mar 6Nov 29
1962Mar 16Nov 8Mar 16Nov 9
1961Mar 20Nov 15Mar 20Nov 15
1960Mar 18Oct 31Mar 6Nov 10
1959no dataNov 6no dataNov 6

"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.