All-time weather records — Glenarden, MD
Climate change signal in Glenarden
of Glenarden'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 | # |
|---|---|---|---|---|
| 1920s | 40 | 60 | ||
| 1930s | 71 | 68 | ||
| 1940s | 47 | 57 | ||
| 1950s | 45 | 28 | ||
| 1960s | 36 | 53 | ||
| 1970s | 38 | 28 | ||
| 1980s | 25 | 37 | ||
| 1990s | 53 | 15 | ||
| 2000s | 11 | 20 |
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 1921, the latest in 2006. Period of observation: 1921-2007.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 78.1°F — Jan 25, 1950 | -23.1°F — Jan 28, 1935 | 2.40 in — Jan 28, 1922 |
| February | 82.9°F — Feb 25, 1930 | -17.0°F — Feb 8, 1936 | 2.99 in — Feb 23, 2003 |
| March | 95.0°F — Mar 30, 1998 | -6.0°F — Mar 11, 1960 | 3.39 in — Mar 20, 1958 |
| April | 95.0°F — Apr 18, 1976 | 8.1°F — Apr 1, 1923 | 4.77 in — Apr 26, 1937 |
| May | 98.1°F — May 22, 1941 | 24.1°F — May 10, 1947 | 5.18 in — May 26, 1997 |
| June | 102.0°F — Jun 15, 1994 | 32.0°F — Jun 1, 1930 | 5.87 in — Jun 20, 1983 |
| July | 106.0°F — Jul 10, 1936 | 39.9°F — Jul 1, 1988 | 10.01 in — Jul 8, 1949 |
| August | 104.0°F — Aug 16, 1997 | 37.0°F — Aug 18, 2000 | 6.98 in — Aug 13, 1955 |
| September | 102.0°F — Sep 1, 1930 | 28.9°F — Sep 27, 1947 | 4.78 in — Sep 2, 2006 |
| October | 96.1°F — Oct 5, 1941 | -41.1°F — Oct 31, 2006 | 5.80 in — Oct 9, 2005 |
| November | 87.1°F — Nov 1, 1950 | 1.0°F — Nov 29, 1930 | 3.86 in — Nov 13, 1937 |
| December | 79.0°F — Dec 7, 1998 | -32.1°F — Dec 11, 2006 | 2.38 in — Dec 18, 1977 |
Click a month to see every daily record for that month in Glenarden.