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 2019

View Period (Months):
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  • Record Coolest
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  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
July 2019
1-Month
77.4°F
(25.2°C)
75.6°F
(24.2°C)
1.8°F
(1.0°C)
103rd Coolest
Coolest since:
2009, 2014
26th Warmest
Warmest since:
1936
Jun–Jul 2019
2-Month
74.2°F
(23.4°C)
73.5°F
(23.1°C)
0.7°F
(0.3°C)
86th Coolest
Coolest since:
1915
43rd Warmest
Warmest since:
1934
Ties: 1939, 1940, 1957, 2006
May–Jul 2019
3-Month
70.3°F
(21.3°C)
69.7°F
(20.9°C)
0.6°F
(0.4°C)
81st Coolest
Coolest since:
1924
48th Warmest
Warmest since:
1934
Ties: 1918, 2006, 2015
Apr–Jul 2019
4-Month
65.8°F
(18.8°C)
65.1°F
(18.4°C)
0.7°F
(0.4°C)
80th Coolest
Coolest since:
1907
49th Warmest
Warmest since:
1934
Ties: 1895, 1919, 1963, 1981
Mar–Jul 2019
5-Month
60.1°F
(15.6°C)
60.1°F
(15.6°C)
0.0°F
(0.0°C)
52nd Coolest
Coolest since:
1960
77th Warmest
Warmest since:
2012
Ties: 1895, 1945, 1956, 1962, 1970, 1990
Feb–Jul 2019
6-Month
55.0°F
(12.8°C)
55.0°F
(12.8°C)
0.0°F
(0.0°C)
66th Coolest
Coolest since:
1947
63rd Warmest
Warmest since:
2012
Ties: 1948, 1962
Jan–Jul 2019
7-Month
50.8°F
(10.4°C)
50.7°F
(10.4°C)
0.1°F
(0.0°C)
67th Coolest
Coolest since:
1912
62nd Warmest
Warmest since:
2012
Ties: 1913, 1959
Dec 2018–Jul 2019
8-Month
48.7°F
(9.3°C)
48.0°F
(8.9°C)
0.7°F
(0.4°C)
76th Coolest
Coolest since:
1904
52nd Warmest
Warmest since:
2012
Ties: 1908
Nov 2018–Jul 2019
9-Month
47.3°F
(8.5°C)
47.3°F
(8.5°C)
0.0°F
(0.0°C)
60th Coolest
Coolest since:
1904
68th Warmest
Warmest since:
2012
Ties: 1898, 1950, 1972, 1975
Oct 2018–Jul 2019
10-Month
48.0°F
(8.9°C)
48.0°F
(8.9°C)
0.0°F
(0.0°C)
58th Coolest
Coolest since:
1904
70th Warmest
Warmest since:
2012
Ties: 1908, 1973, 1975
Sep 2018–Jul 2019
11-Month
50.0°F
(10.0°C)
49.7°F
(9.8°C)
0.3°F
(0.2°C)
72nd Coolest
Coolest since:
1904
56th Warmest
Warmest since:
2012
Ties: 1923, 1935, 1952, 1990
Aug 2018–Jul 2019
12-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
72nd Coolest
Coolest since:
1904
56th Warmest
Warmest since:
2012
Ties: 1923, 1935, 1937
Feb 2018–Jul 2019
18-Month
53.4°F
(11.9°C)
52.7°F
(11.5°C)
0.7°F
(0.4°C)
87th Coolest
Coolest since:
1918
41st Warmest
Warmest since:
2012
Ties: 1995, 2001, 2004
Aug 2017–Jul 2019
24-Month
52.3°F
(11.3°C)
51.7°F
(10.9°C)
0.6°F
(0.4°C)
90th Coolest
Coolest since:
1905
37th Warmest
Warmest since:
2017
Ties: 1943
Aug 2016–Jul 2019
36-Month
53.4°F
(11.9°C)
51.6°F
(10.9°C)
1.8°F
(1.0°C)
117th Coolest
Coolest since:
1979
9th Warmest
Warmest since:
2018
Ties: 1933
Aug 2015–Jul 2019
48-Month
53.8°F
(12.1°C)
51.6°F
(10.9°C)
2.2°F
(1.2°C)
124th Coolest
Coolest since:
1905, 1980
1st Warmest
Warmest to Date
2019
Aug 2014–Jul 2019
60-Month
53.2°F
(11.8°C)
51.6°F
(10.9°C)
1.6°F
(0.9°C)
121st Coolest
Coolest since:
1906
3rd Warmest
Warmest since:
2020
Ties: 1935, 2006, 2008, 2021

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