Frost history / El Centro Naf, CA
El Centro Naf, CA: frost dates by year
Last spring and first fall frost at NOAA station USW00023199, 1951 to 2024, measured from daily minimum temperatures.
Elevation -42 ft, 32.817, -115.683. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Jan 30 | Dec 23 |
| Earliest | Jan 2 (1954) | Nov 18 (1958) |
| Latest | Feb 20 (1955) | Dec 29 (1954) |
| Trend | little change (less than half a day per decade) | 0.5 days later per decade |
| Years with data | 19, 9 with no freeze | 18, 7 with no freeze |
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 |
|---|---|---|---|---|
| 2024 | no data | none | no data | none |
| 2023 | no data | none | no data | none |
| 2021 | none | no data | none | no data |
| 2020 | none | no data | none | no data |
| 2018 | none | no data | none | no data |
| 2017 | no data | Dec 23 | no data | none |
| 2016 | no data | Dec 18 | no data | none |
| 2015 | no data | Nov 30 | no data | none |
| 2014 | none | no data | none | no data |
| 2013 | Jan 16 | Dec 9 | Jan 15 | none |
| 2012 | none | Dec 20 | none | none |
| 2011 | Feb 4 | no data | Feb 4 | no data |
| 2010 | none | no data | none | no data |
| 2009 | Jan 28 | Dec 27 | none | none |
| 2008 | Feb 6 | Dec 27 | none | none |
| 2007 | Jan 21 | Dec 23 | Jan 17 | none |
| 1958 | none | Nov 18 | none | none |
| 1957 | none | none | none | none |
| 1956 | Feb 17 | none | none | none |
| 1955 | Feb 20 | none | none | none |
| 1954 | Jan 2 | Dec 29 | none | none |
| 1953 | none | Dec 24 | none | none |
| 1952 | Jan 5 | none | none | none |
| 1951 | Jan 31 | none | none | none |
"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.