Frost history / Jt Myers Locks & Dam, IN
Jt Myers Locks & Dam, IN: frost dates by year
Last spring and first fall frost at NOAA station USC00128967, 2005 to 2023, measured from daily minimum temperatures.
Elevation 340 ft, 37.795, -87.993. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 23 | Nov 4 |
| Earliest | Mar 5 (2010) | Oct 18 (2009) |
| Latest | May 9 (2020) | Nov 17 (2011) |
| Trend | 19.2 days later per decade | 5.5 days earlier per decade |
| Years with data | 14 | 14 |
At 28°F (hard freeze) the median last spring date is Mar 14 and the median first fall date is Nov 13.
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 |
|---|---|---|---|---|
| 2023 | no data | Oct 31 | no data | Oct 31 |
| 2022 | Apr 3 | no data | Mar 13 | no data |
| 2020 | May 9 | Nov 2 | Apr 17 | Nov 3 |
| 2019 | no data | Nov 1 | no data | Nov 1 |
| 2018 | Apr 17 | no data | Apr 8 | no data |
| 2017 | Mar 19 | Oct 26 | Mar 19 | Nov 10 |
| 2016 | Mar 6 | Nov 10 | Feb 16 | Nov 13 |
| 2015 | Mar 28 | Nov 14 | Mar 7 | Nov 22 |
| 2014 | Mar 29 | Nov 1 | Mar 27 | Nov 1 |
| 2013 | Apr 20 | Oct 25 | Mar 27 | Nov 13 |
| 2012 | Mar 5 | Nov 14 | Mar 5 | Nov 24 |
| 2011 | no data | Nov 17 | no data | Dec 1 |
| 2010 | Mar 5 | Nov 6 | Mar 5 | Nov 6 |
| 2009 | Mar 13 | Oct 18 | Mar 4 | Dec 4 |
| 2008 | Mar 23 | Nov 10 | Mar 9 | Nov 18 |
| 2006 | Mar 23 | no data | Mar 21 | no data |
| 2005 | Mar 15 | Nov 16 | Mar 15 | Nov 17 |
"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.