Frost history / Babbitt, MN
Babbitt, MN: frost dates by year
Last spring and first fall frost at NOAA station USC00210387, 1999 to 2021, measured from daily minimum temperatures.
Elevation 1,481 ft, 47.712, -91.953. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 28 | Sep 9 |
| Earliest | May 12 (2001) | Aug 20 (2004) |
| Latest | Jun 24 (2004) | Oct 7 (2016) |
| Trend | 2.9 days later per decade | 5.2 days later per decade |
| Years with data | 17 | 19 |
At 28°F (hard freeze) the median last spring date is May 15 and the median first fall date is Sep 24.
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 |
|---|---|---|---|---|
| 2021 | May 29 | Sep 18 | May 29 | Oct 18 |
| 2020 | Jun 13 | Sep 8 | May 13 | Sep 9 |
| 2019 | Jun 2 | Sep 28 | May 20 | Sep 28 |
| 2018 | May 20 | Sep 6 | May 20 | Sep 29 |
| 2017 | May 25 | no data | May 19 | no data |
| 2016 | no data | Oct 7 | no data | Oct 20 |
| 2014 | May 18 | no data | May 17 | no data |
| 2013 | Jun 3 | Sep 16 | May 13 | Sep 16 |
| 2011 | Jun 2 | Sep 5 | Jun 2 | Sep 5 |
| 2010 | May 15 | Sep 5 | May 15 | Oct 2 |
| 2009 | Jun 6 | Aug 30 | Jun 6 | Sep 30 |
| 2008 | no data | Aug 25 | no data | Oct 3 |
| 2007 | May 28 | Sep 12 | Apr 25 | Sep 15 |
| 2006 | May 24 | Sep 9 | Apr 26 | Sep 9 |
| 2005 | May 16 | Aug 23 | May 12 | Sep 23 |
| 2004 | Jun 24 | Aug 20 | May 15 | Sep 29 |
| 2003 | May 31 | Sep 5 | May 2 | Sep 29 |
| 2002 | May 20 | Sep 15 | May 20 | Sep 24 |
| 2001 | May 12 | Sep 14 | May 12 | Sep 14 |
| 2000 | no data | Sep 15 | no data | Sep 15 |
| 1999 | no data | Sep 16 | no data | Sep 21 |
"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.