Divisional Rankings
Illinois, Climate Division 8. Southwest
Average Temperature Rankings, August 1999
Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2022) | Warmest/Coolest Since | Record |
---|---|---|---|---|---|---|
August 1999 1-Month | 74.8°F (23.8°C) | 76.0°F (24.4°C) | -1.2°F (-0.6°C) | 34th Coolest | Coolest since: | 1915 |
95th Warmest | Warmest since: | 1936 | ||||
Ties: 1902, 1911, 1939, 1963, 1965 | ||||||
Jul– 2-Month | 77.6°F (25.3°C) | 77.0°F (25.0°C) | 0.6°F (0.3°C) | 87th Coolest | Coolest since: | 1967 |
42nd Warmest | Warmest since: | 1936 | ||||
Ties: 1977, 1991, 2019 | ||||||
Jun– 3-Month | 76.5°F (24.7°C) | 75.9°F (24.4°C) | 0.6°F (0.3°C) | 83rd Coolest | Coolest since: | 1915, 1927 |
46th Warmest | Warmest since: | 1936 | ||||
Ties: 1899, 1947, 1977, 1986 | ||||||
May– 4-Month | 73.8°F (23.2°C) | 73.2°F (22.9°C) | 0.6°F (0.3°C) | 75th Coolest | Coolest since: | 1967 |
54th Warmest | Warmest since: | 1936 | ||||
Ties: 1926 | ||||||
Apr– 5-Month | 70.8°F (21.6°C) | 69.6°F (20.9°C) | 1.2°F (0.7°C) | 93rd Coolest | Coolest since: | 1907 |
36th Warmest | Warmest since: | 2010 | ||||
Ties: 1925, 1943, 1944, 2015 | ||||||
Mar– 6-Month | 66.0°F (18.9°C) | 65.5°F (18.6°C) | 0.5°F (0.3°C) | 78th Coolest | Coolest since: | 1904 |
51st Warmest | Warmest since: | 2012 | ||||
Ties: 1980, 2004 | ||||||
Feb– 7-Month | 62.6°F (17.0°C) | 61.1°F (16.2°C) | 1.5°F (0.8°C) | 105th Coolest | Coolest since: | 1904 |
24th Warmest | Warmest since: | 2012 | ||||
Ties: 1932, 1936, 2018 | ||||||
Jan– 8-Month | 58.9°F (14.9°C) | 57.3°F (14.1°C) | 1.6°F (0.8°C) | 102nd Coolest | Coolest since: | 1912 |
27th Warmest | Warmest since: | 2012 | ||||
Dec 1998– 9-Month | 56.6°F (13.7°C) | 54.8°F (12.7°C) | 1.8°F (1.0°C) | 107th Coolest | Coolest since: | 1904 |
21st Warmest | Warmest since: | 2012 | ||||
Nov 1998– 10-Month | 55.8°F (13.2°C) | 53.8°F (12.1°C) | 2.0°F (1.1°C) | 114th Coolest | Coolest since: | 1904 |
14th Warmest | Warmest since: | 2012 | ||||
Ties: 1934, 1998 | ||||||
Oct 1998– 11-Month | 56.2°F (13.4°C) | 54.1°F (12.3°C) | 2.1°F (1.1°C) | 116th Coolest | Coolest since: | 1904 |
12th Warmest | Warmest since: | 2012 | ||||
Ties: 2022 | ||||||
Sep 1998– 12-Month | 57.6°F (14.2°C) | 55.4°F (13.0°C) | 2.2°F (1.2°C) | 119th Coolest | Coolest since: | 1904 |
9th Warmest | Warmest since: | 2012 | ||||
Ties: 1934, 1991 | ||||||
Mar 1998– 18-Month | 60.7°F (15.9°C) | 58.7°F (14.8°C) | 2.0°F (1.1°C) | 122nd Coolest | Coolest since: | 1904 |
6th Warmest | Warmest since: | 2012 | ||||
Ties: 2006, 2011 | ||||||
Sep 1997– 24-Month | 57.3°F (14.1°C) | 55.4°F (13.0°C) | 1.9°F (1.1°C) | 118th Coolest | Coolest since: | 1979 |
9th Warmest | Warmest since: | 2017 | ||||
Ties: 1922, 1955, 2007 | ||||||
Sep 1996– 36-Month | 56.3°F (13.5°C) | 55.4°F (13.0°C) | 0.9°F (0.5°C) | 100th Coolest | Coolest since: | 1979 |
26th Warmest | Warmest since: | 2018 | ||||
Ties: 2014 | ||||||
Sep 1995– 48-Month | 55.8°F (13.2°C) | 55.3°F (12.9°C) | 0.5°F (0.3°C) | 81st Coolest | Coolest since: | 1980 |
44th Warmest | Warmest since: | 2019 | ||||
Ties: 1938, 1943, 1974, 1975, 1990, 2004 | ||||||
Sep 1994– 60-Month | 55.9°F (13.3°C) | 55.3°F (12.9°C) | 0.6°F (0.4°C) | 82nd Coolest | Coolest since: | 1906 |
42nd Warmest | Warmest since: | 2020 | ||||
Ties: 1941, 1945, 1954, 1989, 1990, 1995 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on April 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings