All-time weather records — Chillicothe, IL
Climate change signal in Chillicothe
of Chillicothe's all-time daily heat records were set in the last decade (0 of 211 records since 2015).
of all-time daily cold records were set in the last decade (0 of 211 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 | # |
|---|---|---|---|---|
| 1940s | 210 | 209 | ||
| 1950s | · | 1 | ||
| 1960s | 1 | 1 | ||
| 1970s | · | · | ||
| 1980s | · | · | ||
| 1990s | · | · | ||
| 2000s | · | · |
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 1947, the latest in 1967. Period of observation: 1941-2010.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 48.0°F — Jan 8, 1948 | -5.1°F — Jan 28, 1948 | 4.50 in — Jan 27, 1996 |
| February | 57.9°F — Feb 17, 1948 | — | 3.86 in — Feb 21, 1997 |
| March | 72.0°F — Mar 26, 1948 | -0.9°F — Mar 12, 1948 | 3.16 in — Mar 15, 1944 |
| April | 84.9°F — Apr 24, 1948 | — | 2.56 in — Apr 20, 1955 |
| May | 86.0°F — May 28, 1948 | 42.1°F — May 3, 1948 | 2.66 in — May 12, 2002 |
| June | — | — | 4.06 in — Jun 20, 1964 |
| July | — | — | 4.49 in — Jul 9, 1951 |
| August | — | — | 4.80 in — Aug 17, 1997 |
| September | — | — | 3.13 in — Sep 14, 1961 |
| October | 8.1°F — Oct 27, 1967 | — | 4.02 in — Oct 3, 1986 |
| November | 78.1°F — Nov 2, 1947 | — | 3.11 in — Nov 19, 1985 |
| December | 55.9°F — Dec 7, 1947 | 14.0°F — Dec 16, 1947 | 2.77 in — Dec 3, 1982 |
Click a month to see every daily record for that month in Chillicothe.