Frost history / Roanoke Rapids Ap, NC
Roanoke Rapids Ap, NC: frost dates by year
Last spring and first fall frost at NOAA station USW00093781, 1999 to 2008, measured from daily minimum temperatures.
Elevation 256 ft, 36.439, -77.710. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 23 | Nov 11 |
| Earliest | Mar 10 (2008) | Oct 29 (2001) |
| Latest | Apr 10 (2007) | Nov 19 (2002) |
| Trend | 0.8 days earlier per decade | 11.2 days earlier per decade |
| Years with data | 10 | 10 |
At 28°F (hard freeze) the median last spring date is Mar 9 and the median first fall date is Nov 25.
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 |
|---|---|---|---|---|
| 2008 | Mar 10 | Oct 31 | Feb 28 | Nov 22 |
| 2007 | Apr 10 | Nov 11 | Mar 19 | Dec 6 |
| 2006 | Mar 23 | Nov 3 | Mar 8 | Dec 8 |
| 2005 | Mar 19 | Nov 11 | Mar 10 | Nov 19 |
| 2004 | Apr 6 | Nov 10 | Mar 24 | Dec 15 |
| 2003 | Mar 12 | Nov 14 | Mar 8 | Dec 2 |
| 2002 | Apr 7 | Nov 19 | Mar 23 | Nov 28 |
| 2001 | Mar 28 | Oct 29 | Mar 28 | Nov 22 |
| 2000 | Mar 18 | Nov 15 | Feb 22 | Nov 22 |
| 1999 | Mar 23 | Nov 17 | Mar 8 | Nov 18 |
"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.