All-time weather records — Dolliver, IA
Climate change signal in Dolliver
of Dolliver's all-time daily heat records were set in the last decade (20 of 366 records since 2015).
of all-time daily cold records were set in the last decade (18 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 | # |
|---|---|---|---|---|
| 1890s | 18 | 44 | ||
| 1900s | 23 | 52 | ||
| 1910s | 18 | 50 | ||
| 1920s | 30 | 41 | ||
| 1930s | 76 | 22 | ||
| 1940s | 31 | 20 | ||
| 1950s | 27 | 18 | ||
| 1960s | 21 | 25 | ||
| 1970s | 11 | 25 | ||
| 1980s | 25 | 20 | ||
| 1990s | 21 | 19 | ||
| 2000s | 33 | 4 | ||
| 2010s | 16 | 18 | ||
| 2020s | 16 | 8 |
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 1895, the latest in 2026. Period of observation: 1893-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 66.0°F — Jan 25, 1944 | -31.0°F — Jan 27, 1904 | 4.00 in — Jan 14, 1997 |
| February | 70.0°F — Feb 27, 2024 | -38.0°F — Feb 9, 1899 | 1.68 in — Feb 19, 1971 |
| March | 86.0°F — Mar 29, 1895 | -24.0°F — Mar 11, 1948 | 4.00 in — Mar 13, 2006 |
| April | 93.0°F — Apr 28, 1910 | 3.0°F — Apr 1, 1924 | 6.50 in — Apr 7, 2003 |
| May | 107.1°F — May 31, 1934 | 18.0°F — May 3, 1967 | 4.95 in — May 7, 2005 |
| June | 106.0°F — Jun 10, 1933 | 5.0°F — Jun 11, 1896 | 3.89 in — Jun 4, 1991 |
| July | 108.0°F — Jul 17, 1936 | 39.9°F — Jul 7, 1922 | 3.10 in — Jul 4, 1919 |
| August | 107.1°F — Aug 3, 1930 | 33.1°F — Aug 20, 1907 | 5.80 in — Aug 30, 1962 |
| September | 100.9°F — Sep 10, 1931 | 5.0°F — Sep 4, 1925 | 6.45 in — Sep 15, 2004 |
| October | 93.0°F — Oct 3, 1997 | -5.1°F — Oct 30, 1925 | 3.41 in — Oct 1, 2021 |
| November | 95.0°F — Nov 4, 1983 | -11.9°F — Nov 23, 1898 | 2.40 in — Nov 21, 1975 |
| December | 75.0°F — Dec 27, 1929 | -29.9°F — Dec 14, 1901 | 8.00 in — Dec 19, 2008 |
Click a month to see every daily record for that month in Dolliver.