Frost history / Navajo Dam, NM
Navajo Dam, NM: frost dates by year
Last spring and first fall frost at NOAA station USC00296061, 1963 to 2025, measured from daily minimum temperatures.
Elevation 5,770 ft, 36.805, -107.621. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 4 | Oct 23 |
| Earliest | Apr 2 (1990) | Sep 20 (1978) |
| Latest | May 27 (1980) | Nov 11 (1965) |
| Trend | 1.5 days earlier per decade | 0.7 days later per decade |
| Years with data | 35 | 34 |
At 28°F (hard freeze) the median last spring date is Apr 20 and the median first fall date is Oct 31.
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 |
|---|---|---|---|---|
| 2025 | Apr 21 | Oct 29 | Apr 7 | Dec 1 |
| 2024 | May 7 | Oct 22 | Mar 28 | Oct 31 |
| 2023 | Apr 24 | Oct 30 | Apr 24 | Oct 30 |
| 2004 | no data | Oct 23 | no data | Nov 1 |
| 1997 | May 5 | no data | Apr 15 | no data |
| 1996 | Apr 30 | Sep 26 | Apr 23 | Sep 26 |
| 1995 | Apr 25 | Oct 5 | Apr 12 | Oct 21 |
| 1994 | Apr 30 | Oct 31 | Mar 29 | Nov 14 |
| 1993 | May 10 | Oct 27 | Apr 16 | Oct 31 |
| 1992 | Apr 20 | Oct 8 | Mar 22 | Nov 2 |
| 1991 | May 6 | Oct 29 | Apr 29 | Oct 29 |
| 1990 | Apr 2 | Oct 9 | Mar 19 | Oct 9 |
| 1989 | May 1 | Oct 27 | Mar 6 | Oct 28 |
| 1988 | May 21 | Nov 6 | May 7 | Nov 16 |
| 1987 | Apr 21 | Oct 28 | Apr 20 | Nov 16 |
| 1986 | May 10 | no data | Apr 28 | no data |
| 1985 | Apr 27 | Nov 1 | Apr 1 | Nov 2 |
| 1984 | Apr 30 | Oct 16 | Apr 30 | Oct 16 |
| 1983 | May 18 | Sep 21 | May 14 | Nov 9 |
| 1982 | May 6 | Oct 2 | Apr 20 | Oct 28 |
| 1981 | May 4 | Oct 24 | May 4 | Oct 31 |
| 1980 | May 27 | Oct 16 | May 27 | Oct 17 |
| 1979 | Apr 20 | no data | Apr 13 | no data |
| 1978 | May 8 | Sep 20 | Mar 17 | Nov 17 |
| 1977 | no data | Oct 8 | no data | Nov 9 |
| 1976 | Apr 20 | no data | Apr 17 | no data |
| 1975 | May 8 | Oct 14 | May 7 | Oct 24 |
| 1974 | May 20 | Oct 30 | Apr 14 | Nov 4 |
| 1973 | Apr 22 | Oct 11 | Apr 20 | Oct 30 |
| 1972 | no data | Oct 30 | no data | Oct 31 |
| 1971 | May 19 | no data | Apr 27 | no data |
| 1970 | May 3 | Oct 8 | May 2 | Oct 8 |
| 1969 | Apr 27 | Oct 5 | Apr 26 | Oct 30 |
| 1968 | May 7 | Oct 17 | Apr 20 | Oct 17 |
| 1967 | May 5 | Oct 27 | May 2 | Oct 30 |
| 1966 | Apr 21 | Oct 14 | Apr 5 | Nov 2 |
| 1965 | May 9 | Nov 11 | Apr 15 | Nov 22 |
| 1964 | May 8 | Oct 24 | May 8 | Nov 12 |
| 1963 | no data | Nov 2 | no data | Nov 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.