Frost history / Montello 2NE, NV
Montello 2NE, NV: frost dates by year
Last spring and first fall frost at NOAA station USC00265352, 1951 to 2016, measured from daily minimum temperatures.
Elevation 4,830 ft, 41.278, -114.171. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Jun 10 | Sep 11 |
| Earliest | May 4 (1987) | Aug 16 (1992) |
| Latest | Jul 11 (2016) | Oct 10 (1963) |
| Trend | little change (less than half a day per decade) | 1.0 days earlier per decade |
| Years with data | 46 | 49 |
At 28°F (hard freeze) the median last spring date is May 24 and the median first fall date is Sep 19.
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 |
|---|---|---|---|---|
| 2016 | Jul 11 | Sep 5 | May 12 | Sep 6 |
| 2015 | May 10 | Sep 6 | Apr 28 | Sep 6 |
| 2014 | Jun 19 | Sep 12 | Jun 19 | Sep 12 |
| 2013 | Jun 21 | Sep 19 | May 24 | Sep 28 |
| 2012 | Jun 21 | Sep 12 | Jun 10 | Sep 12 |
| 2010 | Jun 17 | no data | May 25 | no data |
| 2009 | May 22 | Aug 17 | May 14 | Sep 22 |
| 2008 | Jun 14 | Sep 2 | Jun 9 | Sep 2 |
| 2007 | no data | Sep 11 | no data | Sep 12 |
| 2004 | May 30 | no data | May 12 | no data |
| 2003 | May 20 | Sep 13 | May 20 | Sep 13 |
| 2002 | Jun 11 | Sep 19 | Jun 11 | Sep 26 |
| 2001 | Jun 19 | Sep 8 | Jun 14 | Sep 8 |
| 2000 | Jun 17 | no data | Jun 1 | no data |
| 1999 | no data | Sep 1 | no data | Sep 4 |
| 1998 | May 30 | no data | May 27 | no data |
| 1997 | Jul 1 | Sep 12 | May 23 | Sep 12 |
| 1996 | May 30 | Sep 5 | May 24 | Sep 16 |
| 1995 | no data | Aug 18 | no data | Aug 18 |
| 1994 | Jun 8 | Sep 16 | May 2 | Oct 7 |
| 1993 | no data | Sep 12 | no data | Sep 12 |
| 1992 | May 23 | Aug 16 | May 23 | Sep 23 |
| 1991 | May 28 | Sep 14 | May 10 | Sep 21 |
| 1990 | May 26 | Oct 2 | May 26 | Oct 6 |
| 1989 | Jun 19 | Sep 11 | May 26 | Sep 13 |
| 1988 | Jun 30 | no data | May 20 | no data |
| 1987 | May 4 | Sep 11 | May 4 | Sep 17 |
| 1984 | Jun 12 | Sep 22 | Jun 9 | Sep 22 |
| 1983 | May 22 | Sep 10 | May 15 | Sep 20 |
| 1982 | Jun 10 | Sep 11 | May 28 | Oct 6 |
| 1981 | no data | Sep 22 | no data | Sep 26 |
| 1980 | no data | Sep 22 | no data | Sep 22 |
| 1979 | Jun 9 | Sep 11 | Jun 9 | Oct 16 |
| 1978 | Jun 11 | Aug 18 | Jun 1 | Aug 18 |
| 1977 | May 30 | Sep 18 | May 20 | Sep 18 |
| 1976 | no data | Sep 8 | no data | Oct 4 |
| 1975 | no data | Aug 31 | no data | Sep 21 |
| 1974 | Jun 9 | Sep 12 | Jun 9 | Sep 12 |
| 1973 | Jun 19 | Sep 3 | May 27 | Sep 26 |
| 1972 | no data | Sep 13 | no data | Sep 13 |
| 1971 | Jun 29 | Aug 24 | May 18 | Sep 4 |
| 1970 | Jun 10 | Sep 9 | May 14 | Sep 14 |
| 1969 | May 16 | Sep 22 | Apr 30 | Oct 4 |
| 1968 | Jul 1 | Sep 16 | Jun 30 | Sep 22 |
| 1967 | no data | Sep 13 | no data | Sep 13 |
| 1964 | Jun 10 | no data | May 12 | no data |
| 1963 | May 13 | Oct 10 | Apr 25 | Oct 16 |
| 1962 | Jun 7 | Aug 24 | Jun 7 | Sep 9 |
| 1961 | no data | Sep 3 | no data | Sep 22 |
| 1958 | Jun 4 | no data | May 2 | no data |
| 1957 | Jun 14 | Sep 11 | May 4 | Sep 19 |
| 1956 | May 15 | Sep 5 | May 1 | Sep 22 |
| 1955 | Jun 30 | Sep 18 | May 29 | Sep 22 |
| 1954 | Jun 3 | Sep 16 | Jun 2 | Sep 19 |
| 1953 | May 27 | Sep 24 | May 25 | Oct 3 |
| 1952 | Jun 16 | no data | Apr 22 | no data |
| 1951 | Jun 22 | Sep 12 | Jun 8 | Sep 21 |
"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.