All-time weather records — Arthur, IA
Climate change signal in Arthur
of Arthur'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 | # |
|---|---|---|---|---|
| 1900s | 8 | 32 | ||
| 1940s | 55 | 23 | ||
| 1950s | 76 | 62 | ||
| 1960s | 37 | 104 | ||
| 1970s | 38 | 56 | ||
| 1980s | 54 | 50 | ||
| 1990s | 36 | 32 | ||
| 2000s | 62 | 7 |
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 1903, the latest in 2007. Period of observation: 1902-2007.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 66.9°F — Jan 24, 1981 | -32.1°F — Jan 14, 1982 | 1.50 in — Jan 16, 2003 |
| February | 69.1°F — Mar 1, 2000 | -31.0°F — Feb 4, 1905 | 1.33 in — Feb 19, 1971 |
| March | 95.0°F — Mar 29, 1986 | -24.0°F — Mar 5, 1960 | 2.30 in — Mar 28, 2004 |
| April | 97.0°F — Apr 22, 1980 | 3.0°F — Apr 3, 1975 | 2.68 in — Apr 28, 1975 |
| May | 100.9°F — May 25, 1967 | 19.0°F — May 2, 1961 | 6.72 in — May 6, 2007 |
| June | 105.1°F — Jun 8, 1985 | 34.0°F — Jun 3, 1969 | 4.40 in — Jun 20, 1996 |
| July | 105.1°F — Jul 31, 1955 | 41.0°F — Jul 9, 1905 | 3.82 in — Jul 6, 1982 |
| August | 102.9°F — Aug 27, 1955 | 34.0°F — Aug 27, 1906 | 11.01 in — Aug 31, 1962 |
| September | 100.9°F — Sep 3, 2000 | 21.9°F — Sep 29, 1984 | 4.88 in — Sep 13, 1978 |
| October | 93.0°F — Oct 2, 1953 | 10.0°F — Oct 17, 1976 | 2.94 in — Oct 2, 1954 |
| November | 82.0°F — Nov 10, 2006 | -13.0°F — Nov 14, 1959 | 2.40 in — Nov 30, 1991 |
| December | 68.0°F — Dec 2, 1998 | -27.9°F — Dec 19, 1983 | 1.70 in — Dec 16, 1984 |
Click a month to see every daily record for that month in Arthur.