Frost history / Ruidoso, NM
Ruidoso, NM: frost dates by year
Last spring and first fall frost at NOAA station USC00297649, 1951 to 2010, measured from daily minimum temperatures.
Elevation 6,930 ft, 33.368, -105.661. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Jun 1 | Sep 25 |
| Earliest | Apr 27 (2009) | Aug 6 (1978) |
| Latest | Jul 24 (1974) | Oct 28 (2010) |
| Trend | 6.6 days earlier per decade | 4.1 days later per decade |
| Years with data | 46 | 50 |
At 28°F (hard freeze) the median last spring date is May 19 and the median first fall date is Oct 8.
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)
First fall frost (32°F)
Dots are single years. The gray line is the median, the green line the fitted trend.
Year by year
| Year | Last spring 32°F | First fall 32°F | Last spring 28°F | First fall 28°F |
|---|---|---|---|---|
| 2010 | May 13 | Oct 28 | Apr 8 | Nov 10 |
| 2009 | Apr 27 | Sep 23 | Apr 27 | Oct 28 |
| 2008 | May 18 | Oct 15 | May 3 | Oct 15 |
| 2007 | May 9 | Oct 8 | May 6 | Oct 8 |
| 2006 | May 6 | Sep 18 | Apr 26 | Oct 19 |
| 2005 | no data | Oct 11 | no data | Oct 12 |
| 2004 | May 2 | Oct 14 | May 2 | Oct 30 |
| 2003 | May 11 | Oct 25 | Apr 20 | Oct 26 |
| 2002 | no data | Oct 4 | no data | Oct 20 |
| 2001 | May 22 | Oct 6 | May 5 | Oct 13 |
| 2000 | May 3 | Sep 25 | Apr 20 | Sep 26 |
| 1999 | no data | Sep 29 | no data | Oct 11 |
| 1997 | May 3 | Oct 13 | May 3 | Oct 13 |
| 1996 | May 6 | Sep 27 | Apr 29 | Sep 27 |
| 1995 | May 11 | Sep 22 | Apr 27 | Oct 6 |
| 1994 | May 3 | Oct 3 | May 3 | Oct 9 |
| 1986 | May 21 | Sep 12 | May 19 | Sep 30 |
| 1985 | Jun 5 | Sep 23 | May 15 | Oct 2 |
| 1984 | May 20 | Sep 6 | May 9 | Oct 7 |
| 1983 | Jun 5 | Sep 21 | May 21 | Oct 22 |
| 1982 | Jun 4 | Oct 2 | May 19 | Oct 2 |
| 1981 | no data | Sep 27 | no data | Oct 17 |
| 1980 | May 31 | Oct 3 | May 28 | Oct 9 |
| 1979 | Jun 20 | no data | Jun 20 | no data |
| 1978 | no data | Aug 6 | no data | Oct 11 |
| 1977 | Jun 6 | Oct 2 | May 23 | Oct 11 |
| 1976 | Jun 25 | Sep 29 | May 29 | Sep 29 |
| 1974 | Jul 24 | Sep 26 | Jun 9 | Sep 28 |
| 1973 | Jun 24 | Sep 6 | May 31 | Sep 28 |
| 1972 | Jun 28 | Sep 22 | May 27 | Sep 22 |
| 1971 | Jun 13 | Sep 20 | Jun 6 | Sep 20 |
| 1970 | Jun 9 | Sep 23 | Jun 3 | Sep 23 |
| 1969 | Jun 28 | Sep 26 | May 30 | Sep 30 |
| 1968 | Jun 12 | Aug 24 | Jun 11 | Sep 14 |
| 1967 | May 29 | Sep 28 | May 15 | Oct 8 |
| 1966 | Jun 6 | Oct 10 | Jun 6 | Oct 15 |
| 1965 | Jun 11 | Sep 21 | May 10 | Sep 30 |
| 1964 | Jun 1 | Oct 6 | May 11 | Oct 13 |
| 1963 | Jun 9 | Oct 1 | Apr 24 | Nov 2 |
| 1962 | May 27 | Oct 8 | May 25 | Oct 13 |
| 1961 | Jun 4 | Sep 5 | Apr 29 | Oct 3 |
| 1960 | May 27 | Sep 11 | May 21 | Oct 18 |
| 1959 | Jun 1 | Sep 13 | May 29 | Sep 13 |
| 1958 | May 21 | Sep 15 | May 10 | Oct 16 |
| 1957 | Jun 5 | Sep 15 | Jun 5 | Sep 21 |
| 1956 | May 29 | Sep 11 | May 28 | Sep 11 |
| 1955 | Jun 19 | Sep 2 | Jun 18 | Oct 7 |
| 1954 | Jun 12 | Oct 12 | May 3 | Oct 15 |
| 1953 | Jun 6 | Sep 9 | Jun 6 | Sep 29 |
| 1952 | May 31 | Sep 7 | May 24 | Sep 14 |
| 1951 | Jun 25 | Sep 17 | Jun 10 | Sep 17 |
"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.