Frost history / Harrison, NJ
Harrison, NJ: frost dates by year
Last spring and first fall frost at NOAA station USC00283704, 1996 to 2025, measured from daily minimum temperatures.
Elevation 24 ft, 40.748, -74.152. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 3 | Nov 12 |
| Earliest | Mar 17 (2020) | Oct 19 (2015) |
| Latest | Apr 25 (2015) | Dec 12 (1998) |
| Trend | little change (less than half a day per decade) | 2.8 days earlier per decade |
| Years with data | 24 | 24 |
At 28°F (hard freeze) the median last spring date is Mar 21 and the median first fall date is Nov 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 |
|---|---|---|---|---|
| 2025 | Apr 10 | Nov 11 | Mar 4 | Dec 5 |
| 2024 | Mar 26 | Nov 30 | Mar 23 | Nov 30 |
| 2023 | Apr 1 | Nov 13 | Feb 26 | Nov 25 |
| 2022 | Mar 31 | Nov 15 | Mar 30 | Nov 21 |
| 2021 | Apr 3 | Nov 20 | Apr 3 | Nov 30 |
| 2020 | Mar 17 | Oct 31 | Mar 2 | Nov 19 |
| 2019 | Apr 3 | Nov 8 | Mar 9 | Nov 9 |
| 2018 | Apr 12 | Nov 11 | Mar 18 | Nov 16 |
| 2017 | Apr 1 | Nov 11 | Mar 24 | Nov 11 |
| 2016 | Apr 11 | Dec 9 | Apr 6 | Dec 10 |
| 2015 | Apr 25 | Oct 19 | Mar 30 | Nov 24 |
| 2014 | Apr 17 | Nov 15 | Mar 28 | Nov 18 |
| 2013 | Apr 3 | Nov 4 | Mar 22 | Nov 13 |
| 2012 | no data | Nov 6 | no data | Dec 26 |
| 2008 | Apr 3 | no data | Mar 10 | no data |
| 2007 | Apr 9 | Nov 8 | Mar 21 | Nov 24 |
| 2006 | Mar 22 | Dec 4 | Mar 21 | Dec 5 |
| 2005 | Mar 24 | Nov 18 | Mar 15 | Nov 23 |
| 2004 | Apr 6 | Nov 10 | Mar 23 | Nov 14 |
| 2003 | Apr 10 | Nov 8 | Mar 14 | Nov 9 |
| 2002 | Apr 7 | Nov 27 | Mar 23 | Nov 28 |
| 2001 | no data | Nov 12 | no data | Dec 26 |
| 1999 | Mar 26 | Nov 18 | Mar 13 | Dec 1 |
| 1998 | Mar 25 | Dec 12 | Mar 17 | Dec 22 |
| 1997 | Apr 10 | Nov 13 | Apr 10 | Nov 13 |
| 1996 | Apr 10 | no data | Mar 28 | no data |
"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.