All-time weather records — Grayson, KY
Climate change signal in Grayson
of Grayson's all-time daily heat records were set in the last decade (0 of 366 records since 2015).
of all-time daily cold records were set in the last decade (0 of 366 records since 2015).
If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:
| Decade | Heat records set | # | Cold records set | # |
|---|---|---|---|---|
| 1990s | 87 | 100 | ||
| 2000s | 185 | 185 | ||
| 2010s | 94 | 81 |
Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1996, the latest in 2014. Period of observation: 1982-2014.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 78.1°F — Jan 23, 1999 | -11.0°F — Jan 25, 2014 | 1.81 in — Jan 23, 2006 |
| February | 79.0°F — Feb 1, 2002 | -5.1°F — Feb 1, 2004 | 2.47 in — Feb 19, 2000 |
| March | 89.1°F — Mar 21, 2012 | 0.0°F — Mar 4, 2014 | 4.17 in — Mar 20, 2002 |
| April | 91.0°F — Apr 3, 2010 | 18.0°F — Apr 10, 1997 | 2.25 in — Apr 28, 2002 |
| May | 93.0°F — May 31, 2011 | 28.0°F — May 4, 2005 | 4.83 in — May 3, 2010 |
| June | 104.0°F — Jun 29, 2012 | 39.9°F — Jun 2, 2003 | 1.93 in — Jun 4, 2008 |
| July | 104.0°F — Jul 8, 2012 | 46.9°F — Jul 2, 2008 | 3.78 in — Jul 27, 2012 |
| August | 102.0°F — Aug 1, 1999 | 46.0°F — Aug 31, 1999 | 3.62 in — Aug 21, 2004 |
| September | 99.0°F — Sep 3, 2011 | 34.0°F — Sep 23, 2012 | 2.61 in — Sep 9, 2004 |
| October | 93.9°F — Oct 9, 2007 | 19.9°F — Oct 23, 1997 | 2.31 in — Oct 19, 2004 |
| November | 82.9°F — Nov 3, 2004 | 10.0°F — Nov 22, 2000 | 1.99 in — Nov 8, 1996 |
| December | 75.9°F — Dec 7, 1998 | 0.0°F — Dec 21, 2004 | 2.41 in — Dec 17, 2000 |
Click a month to see every daily record for that month in Grayson.