All-time weather records — Basco, IL

Record high
105.1°F
July 25, 2005
Record low
-22.0°F
January 5, 1999
Wettest day
5.32 in
August 23, 2001

Climate change signal in Basco

30.6%

of Basco's all-time daily heat records were set in the last decade (112 of 366 records since 2015).

21.6%

of all-time daily cold records were set in the last decade (79 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 #
1940s
·
·
1950s
·
·
1960s
·
·
1970s
·
·
1980s
·
·
1990s
43
111
2000s
142
123
2010s
107
81
2020s
74
51

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 1995, the latest in 2026. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 68.0°F — Jan 8, 2008 -22.0°F — Jan 5, 1999 2.50 in — Jan 1, 1965
February 80.1°F — Feb 28, 2024 -20.0°F — Feb 3, 1996 3.59 in — Feb 21, 1997
March 91.9°F — Mar 27, 2026 -7.1°F — Mar 12, 1998 3.30 in — Mar 4, 1985
April 89.1°F — Apr 14, 2006 6.1°F — Apr 2, 2018 4.89 in — Apr 18, 2013
May 97.0°F — May 28, 2018 28.9°F — May 3, 2005 3.13 in — May 17, 1995
June 100.0°F — Jun 29, 2012 44.1°F — Jun 3, 2003 4.32 in — Jun 14, 1990
July 105.1°F — Jul 25, 2005 48.0°F — Jul 5, 1997 4.23 in — Jul 21, 1996
August 104.0°F — Aug 16, 2007 43.0°F — Aug 20, 2001 5.32 in — Aug 23, 2001
September 104.0°F — Sep 2, 2011 28.9°F — Sep 23, 1995 4.72 in — Sep 10, 2014
October 96.1°F — Oct 4, 2006 18.0°F — Oct 27, 1997 2.62 in — Oct 5, 1954
November 88.0°F — Nov 13, 2016 6.1°F — Nov 12, 2019 2.00 in — Nov 1, 1977
December 75.0°F — Dec 16, 2021 -9.9°F — Dec 25, 2000 2.90 in — Dec 2, 1982

Click a month to see every daily record for that month in Basco.