All-time weather records — Arden, DE
Climate change signal in Arden
of Arden'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 | # |
|---|---|---|---|---|
| 1910s | 4 | 1 | ||
| 1920s | 18 | 62 | ||
| 1930s | 76 | 74 | ||
| 1940s | 120 | 49 | ||
| 1950s | 27 | 38 | ||
| 1960s | 21 | 49 | ||
| 1970s | 15 | 33 | ||
| 1980s | 16 | 38 | ||
| 1990s | 20 | 15 | ||
| 2000s | 26 | 5 | ||
| 2010s | 23 | 2 |
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 1919, the latest in 2013. Period of observation: 1919-2013.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 75.0°F — Jan 6, 1946 | -4.0°F — Jan 19, 1994 | 2.74 in — Jan 3, 1936 |
| February | 75.0°F — Feb 27, 1946 | -11.9°F — Feb 9, 1934 | 6.90 in — Feb 16, 1996 |
| March | 91.0°F — Mar 29, 1945 | 10.0°F — Mar 1, 1980 | 3.27 in — Mar 4, 1940 |
| April | 95.0°F — Apr 17, 2002 | 10.9°F — Apr 1, 1923 | 3.54 in — Apr 2, 2005 |
| May | 102.0°F — May 27, 1941 | 30.0°F — May 3, 1937 | 4.75 in — May 4, 1934 |
| June | 104.0°F — Jun 30, 1934 | 45.0°F — Jun 8, 1932 | 4.86 in — Jun 28, 1938 |
| July | 108.0°F — Jul 9, 1936 | 54.0°F — Jul 1, 1923 | 7.50 in — Jul 5, 1989 |
| August | 106.0°F — Aug 27, 1948 | 48.0°F — Aug 13, 1941 | 5.94 in — Aug 14, 1942 |
| September | 100.9°F — Sep 1, 1932 | 36.0°F — Sep 16, 1985 | 11.68 in — Sep 16, 1999 |
| October | 97.0°F — Oct 5, 1941 | 28.9°F — Oct 26, 1933 | 4.64 in — Oct 8, 2005 |
| November | 87.1°F — Nov 1, 1950 | 12.9°F — Nov 30, 1936 | 4.65 in — Nov 25, 1950 |
| December | 73.9°F — Dec 1, 1933 | 3.0°F — Dec 25, 1983 | 2.35 in — Dec 13, 1941 |
Click a month to see every daily record for that month in Arden.