Frost history / Colorado City, TX
Colorado City, TX: frost dates by year
Last spring and first fall frost at NOAA station USC00411903, 1951 to 2004, measured from daily minimum temperatures.
Elevation 2,110 ft, 32.398, -100.859. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 31 | Nov 7 |
| Earliest | Feb 20 (2000) | Oct 15 (1954) |
| Latest | Apr 19 (1953) | Dec 8 (1998) |
| Trend | 1.2 days earlier per decade | 0.8 days later per decade |
| Years with data | 34 | 30 |
At 28°F (hard freeze) the median last spring date is Mar 19 and the median first fall date is Nov 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 |
|---|---|---|---|---|
| 2004 | Apr 14 | no data | Feb 27 | no data |
| 2003 | Apr 10 | no data | Mar 31 | no data |
| 2002 | Mar 27 | Nov 6 | Mar 27 | Nov 27 |
| 2001 | Mar 21 | Nov 19 | Feb 28 | Nov 28 |
| 2000 | Feb 20 | Nov 8 | Feb 13 | Nov 9 |
| 1999 | Mar 16 | no data | Mar 15 | no data |
| 1998 | Mar 21 | Dec 8 | Mar 21 | Dec 8 |
| 1997 | Apr 13 | Oct 27 | Apr 13 | Oct 27 |
| 1996 | no data | Oct 22 | no data | Nov 25 |
| 1994 | Apr 7 | Nov 10 | Apr 7 | Nov 16 |
| 1993 | no data | Oct 30 | no data | Oct 30 |
| 1975 | Mar 30 | no data | Mar 30 | no data |
| 1974 | Apr 5 | Nov 5 | Mar 24 | Nov 25 |
| 1973 | Apr 10 | no data | Apr 10 | no data |
| 1972 | Mar 31 | Nov 10 | Mar 31 | Nov 15 |
| 1971 | Apr 7 | no data | Apr 7 | no data |
| 1970 | Apr 6 | Oct 28 | Apr 5 | Nov 3 |
| 1969 | Mar 25 | Nov 3 | Mar 13 | Nov 19 |
| 1968 | Mar 22 | Nov 9 | Feb 23 | Nov 19 |
| 1967 | Mar 16 | Nov 4 | Mar 8 | Dec 3 |
| 1966 | Mar 24 | Nov 2 | Mar 6 | Nov 2 |
| 1965 | Mar 26 | Nov 29 | Mar 26 | Nov 29 |
| 1964 | Mar 26 | Nov 20 | Mar 5 | Nov 22 |
| 1963 | Mar 9 | Nov 29 | Mar 6 | Nov 29 |
| 1962 | Mar 16 | Nov 19 | Mar 15 | Dec 6 |
| 1961 | Mar 20 | Nov 16 | Feb 28 | Dec 10 |
| 1960 | Apr 3 | Nov 10 | Mar 17 | Nov 10 |
| 1959 | Apr 13 | Nov 6 | Mar 12 | Nov 6 |
| 1958 | Apr 10 | Nov 18 | Mar 18 | Nov 19 |
| 1957 | Apr 13 | Oct 27 | Apr 13 | Nov 23 |
| 1956 | Mar 17 | Nov 9 | Mar 16 | Nov 16 |
| 1955 | Mar 28 | Oct 25 | Mar 28 | Nov 28 |
| 1954 | Apr 1 | Oct 15 | Apr 1 | Nov 5 |
| 1953 | Apr 19 | Nov 8 | Apr 19 | Nov 9 |
| 1952 | Apr 10 | Oct 29 | Mar 28 | Nov 11 |
| 1951 | Apr 12 | Nov 2 | Mar 13 | Nov 2 |
"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.