Frost history / Three Rivers Edison Ph 1, CA
Three Rivers Edison Ph 1, CA: frost dates by year
Last spring and first fall frost at NOAA station USC00048917, 1971 to 2015, measured from daily minimum temperatures.
Elevation 1,140 ft, 36.465, -118.862. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 25 | Nov 23 |
| Earliest | Feb 2 (2005) | Oct 27 (1996) |
| Latest | Apr 26 (1984) | Dec 21 (1995) |
| Trend | 2.8 days earlier per decade | 3.1 days later per decade |
| Years with data | 32 | 31 |
At 28°F (hard freeze) the median last spring date is Feb 3 and the median first fall date is Nov 30.
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 |
|---|---|---|---|---|
| 2015 | Feb 11 | no data | Jan 3 | no data |
| 2010 | Apr 6 | no data | none | no data |
| 2007 | Apr 4 | no data | Apr 2 | no data |
| 2006 | no data | Nov 29 | no data | Nov 29 |
| 2005 | Feb 2 | Nov 27 | none | none |
| 2004 | Feb 11 | no data | Jan 22 | no data |
| 2003 | Feb 10 | Nov 22 | none | Nov 22 |
| 2001 | Apr 8 | no data | Feb 8 | no data |
| 1999 | Apr 10 | Nov 24 | Mar 31 | Dec 8 |
| 1998 | Apr 16 | Dec 7 | none | Dec 7 |
| 1997 | Apr 2 | no data | none | no data |
| 1996 | Mar 29 | Oct 27 | Feb 27 | none |
| 1995 | Apr 21 | Dec 21 | none | none |
| 1994 | Mar 23 | Nov 4 | none | Nov 19 |
| 1993 | Feb 28 | Nov 15 | Jan 12 | Nov 25 |
| 1992 | Feb 15 | Nov 30 | Jan 27 | Dec 15 |
| 1991 | Apr 13 | Nov 29 | Jan 2 | Nov 30 |
| 1990 | Mar 14 | Nov 23 | Feb 20 | Dec 9 |
| 1989 | Feb 15 | Nov 26 | Feb 7 | Dec 11 |
| 1988 | Mar 12 | Nov 18 | Feb 6 | Dec 23 |
| 1987 | Mar 20 | Nov 27 | Feb 26 | Dec 13 |
| 1986 | no data | Nov 30 | no data | none |
| 1985 | no data | Nov 12 | no data | Nov 12 |
| 1984 | Apr 26 | Nov 25 | none | Nov 26 |
| 1983 | Feb 21 | Nov 21 | Jan 3 | none |
| 1982 | Apr 7 | Nov 11 | Jan 22 | Dec 15 |
| 1981 | Feb 26 | Nov 26 | Jan 10 | none |
| 1980 | Feb 23 | Nov 16 | Feb 23 | Dec 8 |
| 1979 | no data | Nov 19 | no data | Nov 21 |
| 1978 | Feb 11 | Nov 14 | none | Nov 14 |
| 1977 | Apr 3 | Nov 20 | Mar 14 | Nov 20 |
| 1976 | Apr 17 | Nov 27 | Jan 6 | Nov 28 |
| 1975 | Apr 8 | Nov 19 | Feb 22 | Nov 19 |
| 1974 | Feb 20 | Dec 8 | Jan 3 | Dec 23 |
| 1973 | Apr 2 | Nov 27 | Jan 20 | none |
| 1972 | Mar 27 | Oct 30 | Feb 3 | Dec 2 |
| 1971 | no data | Oct 29 | no data | Oct 29 |
"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.