Statewide Rankings

Statewide 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

Average Temperature Rankings, July 2010

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  • Record Coolest
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  • Bottom 1/3
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
July 2010
1-Month
77.6°F
(25.3°C)
75.6°F
(24.2°C)
2.0°F
(1.1°C)
106th Coolest
Coolest since:
2009, 2014
23rd Warmest
Warmest since:
1936
Ties: 1977
Jun–Jul 2010
2-Month
76.2°F
(24.6°C)
73.4°F
(23.0°C)
2.8°F
(1.6°C)
116th Coolest
Coolest since:
1915
13th Warmest
Warmest since:
1934
May–Jul 2010
3-Month
72.3°F
(22.4°C)
69.7°F
(20.9°C)
2.6°F
(1.5°C)
116th Coolest
Coolest since:
1924
13th Warmest
Warmest since:
1934
Apr–Jul 2010
4-Month
68.9°F
(20.5°C)
65.2°F
(18.4°C)
3.7°F
(2.1°C)
125th Coolest
Coolest since:
1907
4th Warmest
Warmest since:
1934
Mar–Jul 2010
5-Month
63.9°F
(17.7°C)
60.1°F
(15.6°C)
3.8°F
(2.1°C)
124th Coolest
Coolest since:
1960
5th Warmest
Warmest since:
2012
Feb–Jul 2010
6-Month
57.5°F
(14.2°C)
54.9°F
(12.7°C)
2.6°F
(1.5°C)
119th Coolest
Coolest since:
1947
10th Warmest
Warmest since:
2012
Ties: 1954, 1999
Jan–Jul 2010
7-Month
52.4°F
(11.3°C)
50.7°F
(10.4°C)
1.7°F
(0.9°C)
103rd Coolest
Coolest since:
1912
26th Warmest
Warmest since:
2012
Ties: 1925, 1964
Dec 2009–Jul 2010
8-Month
49.4°F
(9.7°C)
48.0°F
(8.9°C)
1.4°F
(0.8°C)
93rd Coolest
Coolest since:
1904
35th Warmest
Warmest since:
2012
Ties: 1914, 1939, 1941
Nov 2009–Jul 2010
9-Month
49.2°F
(9.6°C)
47.3°F
(8.5°C)
1.9°F
(1.1°C)
109th Coolest
Coolest since:
1904
19th Warmest
Warmest since:
2012
Ties: 1976
Oct 2009–Jul 2010
10-Month
49.3°F
(9.6°C)
48.0°F
(8.9°C)
1.3°F
(0.7°C)
99th Coolest
Coolest since:
1904
29th Warmest
Warmest since:
2012
Ties: 1949, 1964
Sep 2009–Jul 2010
11-Month
50.8°F
(10.4°C)
49.7°F
(9.8°C)
1.1°F
(0.6°C)
97th Coolest
Coolest since:
1904
31st Warmest
Warmest since:
2012
Ties: 1964, 2007, 2018
Aug 2009–Jul 2010
12-Month
52.5°F
(11.4°C)
51.7°F
(10.9°C)
0.8°F
(0.5°C)
90th Coolest
Coolest since:
1904
38th Warmest
Warmest since:
2012
Ties: 1938, 1964, 2008, 2018
Feb 2009–Jul 2010
18-Month
53.5°F
(11.9°C)
52.7°F
(11.5°C)
0.8°F
(0.4°C)
93rd Coolest
Coolest since:
1918
35th Warmest
Warmest since:
2012
Ties: 1923, 1933, 1935, 1957, 2008
Aug 2008–Jul 2010
24-Month
51.9°F
(11.1°C)
51.7°F
(10.9°C)
0.2°F
(0.2°C)
73rd Coolest
Coolest since:
1905
54th Warmest
Warmest since:
2017
Ties: 1975, 1990, 2009
Aug 2007–Jul 2010
36-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
79th Coolest
Coolest since:
1979
47th Warmest
Warmest since:
2018
Ties: 2011
Aug 2006–Jul 2010
48-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
89th Coolest
Coolest since:
1905, 1980
36th Warmest
Warmest since:
2019
Ties: 1941, 1944, 1993
Aug 2005–Jul 2010
60-Month
52.7°F
(11.5°C)
51.6°F
(10.9°C)
1.1°F
(0.6°C)
108th Coolest
Coolest since:
1906
16th Warmest
Warmest since:
2020
Ties: 1936, 1956, 1991, 2001, 2004, 2016, 2018

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