Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois, Climate Division 7. East Southeast

Average Temperature Rankings, May 1923

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
May 1923
1-Month 		61.0°F
(16.1°C)		 63.2°F
(17.3°C)		 -2.2°F
(-1.2°C)		 35th Coolest
Coolest since:
 1924
94th Warmest
Warmest since:
 2018
Ties: 1978
Apr–May 1923
2-Month 		55.9°F
(13.3°C)		 58.0°F
(14.4°C)		 -2.1°F
(-1.1°C)		 18th Coolest
Coolest since:
 1907
111th Warmest
Warmest since:
 1896
Ties: 1926, 1973
Mar–May 1923
3-Month 		50.3°F
(10.2°C)		 52.6°F
(11.4°C)		 -2.3°F
(-1.2°C)		 16th Coolest
Coolest since:
 1960
113th Warmest
Warmest since:
 2012
Feb–May 1923
4-Month 		44.4°F
(6.9°C)		 47.3°F
(8.5°C)		 -2.9°F
(-1.6°C)		 12th Coolest
Coolest since:
 1978
117th Warmest
Warmest since:
 2012
Ties: 1917, 1924
Jan–May 1923
5-Month 		42.4°F
(5.8°C)		 43.4°F
(6.3°C)		 -1.0°F
(-0.5°C)		 34th Coolest
Coolest since:
 1978
95th Warmest
Warmest since:
 2012
Ties: 1929, 1961, 2008
Dec 1922–May 1923
6-Month 		40.8°F
(4.9°C)		 41.4°F
(5.2°C)		 -0.6°F
(-0.3°C)		 40th Coolest
Coolest since:
 1978
88th Warmest
Warmest since:
 2012
Ties: 1966, 2001, 2015
Nov 1922–May 1923
7-Month 		41.3°F
(5.2°C)		 41.5°F
(5.3°C)		 -0.2°F
(-0.1°C)		 48th Coolest
Coolest since:
 1978
80th Warmest
Warmest since:
 2012
Ties: 1928, 1943, 2008
Oct 1922–May 1923
8-Month 		43.4°F
(6.3°C)		 43.3°F
(6.3°C)		 0.1°F
(0.0°C)		 58th Coolest
Coolest since:
 1978
70th Warmest
Warmest since:
 2012
Ties: 1931, 1944, 1945, 1947, 1988
Sep 1922–May 1923
9-Month 		46.4°F
(8.0°C)		 46.0°F
(7.8°C)		 0.4°F
(0.2°C)		 71st Coolest
Coolest since:
 1978
57th Warmest
Warmest since:
 2012
Aug 1922–May 1923
10-Month 		49.2°F
(9.6°C)		 48.8°F
(9.3°C)		 0.4°F
(0.3°C)		 71st Coolest
Coolest since:
 1978
57th Warmest
Warmest since:
 2012
Ties: 1903, 1933, 1964, 2010
Jul 1922–May 1923
11-Month 		51.6°F
(10.9°C)		 51.3°F
(10.7°C)		 0.3°F
(0.2°C)		 68th Coolest
Coolest since:
 1904
60th Warmest
Warmest since:
 2012
Ties: 1903, 1988
Jun 1922–May 1923
12-Month 		53.4°F
(11.9°C)		 53.1°F
(11.7°C)		 0.3°F
(0.2°C)		 71st Coolest
Coolest since:
 1904
57th Warmest
Warmest since:
 2012
Ties: 1896, 1948, 1986, 1990, 2009
Dec 1921–May 1923
18-Month 		50.0°F
(10.0°C)		 49.2°F
(9.6°C)		 0.8°F
(0.4°C)		 90th Coolest
Coolest since:
 1979
37th Warmest
Warmest since:
 2017
Ties: 2019
Jun 1921–May 1923
24-Month 		54.2°F
(12.3°C)		 53.1°F
(11.7°C)		 1.1°F
(0.6°C)		 107th Coolest
Coolest since:
 1905, 1978
20th Warmest
Warmest since:
 2017
Ties: 2003, 2008, 2020
Jun 1920–May 1923
36-Month 		54.6°F
(12.6°C)		 53.0°F
(11.7°C)		 1.6°F
(0.9°C)		 114th Coolest
Coolest since:
 1979
12th Warmest
Warmest to Date
 2018
Ties: 1956, 2006
Jun 1919–May 1923
48-Month 		54.0°F
(12.2°C)		 53.0°F
(11.7°C)		 1.0°F
(0.5°C)		 100th Coolest
Coolest since:
 1980
25th Warmest
Warmest since:
 2019
Ties: 2021
Jun 1918–May 1923
60-Month 		54.0°F
(12.2°C)		 53.0°F
(11.7°C)		 1.0°F
(0.5°C)		 102nd Coolest
Coolest since:
 1981
22nd Warmest
Warmest to Date
 2020
Ties: 1958, 2001, 2014, 2016

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