Frost history / Concho Park/Ivie Rsvr, TX
Concho Park/Ivie Rsvr, TX: frost dates by year
Last spring and first fall frost at NOAA station USC00411934, 1998 to 2020, measured from daily minimum temperatures.
Elevation 1,569 ft, 31.552, -99.708. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 17 | Nov 16 |
| Earliest | Feb 13 (1999) | Oct 27 (2017) |
| Latest | May 3 (2013) | Dec 22 (1998) |
| Trend | 12.4 days later per decade | 17.9 days earlier per decade |
| Years with data | 17 | 17 |
At 28°F (hard freeze) the median last spring date is Feb 26 and the median first fall date is Nov 29.
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 |
|---|---|---|---|---|
| 2020 | no data | Oct 27 | no data | Dec 2 |
| 2017 | Mar 1 | Oct 27 | Jan 29 | Dec 7 |
| 2014 | Apr 16 | Nov 12 | Apr 15 | Nov 12 |
| 2013 | May 3 | Nov 13 | Mar 12 | Nov 13 |
| 2012 | Mar 4 | Oct 28 | Feb 25 | Nov 14 |
| 2011 | Mar 12 | no data | Mar 6 | no data |
| 2010 | Mar 22 | Nov 5 | Feb 25 | Nov 26 |
| 2009 | Apr 7 | Nov 18 | Feb 24 | Nov 25 |
| 2008 | Mar 9 | Nov 16 | Feb 27 | Dec 4 |
| 2007 | Apr 9 | Nov 22 | Mar 5 | Dec 16 |
| 2006 | Mar 24 | Nov 16 | Mar 24 | Nov 30 |
| 2005 | Mar 17 | Nov 16 | Feb 4 | Nov 29 |
| 2004 | Feb 27 | Dec 1 | Feb 26 | Dec 1 |
| 2003 | Apr 9 | Nov 24 | Feb 27 | Nov 24 |
| 2002 | Mar 26 | no data | Mar 22 | no data |
| 2001 | Mar 1 | Nov 28 | Feb 17 | Nov 28 |
| 2000 | Mar 17 | Nov 14 | Jan 31 | Nov 14 |
| 1999 | Feb 13 | Nov 25 | Feb 12 | Dec 5 |
| 1998 | no data | Dec 22 | no data | Dec 22 |
"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.