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 8. Southwest

Average Temperature Rankings, July 1955

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
July 1955
1-Month
80.9°F
(27.2°C)
77.9°F
(25.5°C)
3.0°F
(1.7°C)
116th Coolest
Coolest since:
2014
13th Warmest
Warmest since:
2012
Jun–Jul 1955
2-Month
75.4°F
(24.1°C)
75.9°F
(24.4°C)
-0.5°F
(-0.3°C)
48th Coolest
Coolest since:
1904, 1927
81st Warmest
Warmest since:
1934
Ties: 1926, 1979, 1995, 2001
May–Jul 1955
3-Month
72.6°F
(22.6°C)
72.3°F
(22.4°C)
0.3°F
(0.2°C)
74th Coolest
Coolest since:
1924
55th Warmest
Warmest since:
1934
Ties: 2001
Apr–Jul 1955
4-Month
69.7°F
(20.9°C)
68.1°F
(20.1°C)
1.6°F
(0.8°C)
102nd Coolest
Coolest since:
1907
27th Warmest
Warmest since:
2012
Ties: 1953, 1965, 1998
Mar–Jul 1955
5-Month
64.8°F
(18.2°C)
63.4°F
(17.4°C)
1.4°F
(0.8°C)
107th Coolest
Coolest since:
1960
22nd Warmest
Warmest since:
2012
Ties: 1911, 1964, 2004
Feb–Jul 1955
6-Month
60.0°F
(15.6°C)
58.6°F
(14.8°C)
1.4°F
(0.8°C)
102nd Coolest
Coolest since:
1947
27th Warmest
Warmest since:
2012
Ties: 1922, 1934, 2022
Jan–Jul 1955
7-Month
56.1°F
(13.4°C)
54.7°F
(12.6°C)
1.4°F
(0.8°C)
101st Coolest
Coolest since:
1912
28th Warmest
Warmest since:
2012
Ties: 1944, 1964, 2007, 2010
Dec 1954–Jul 1955
8-Month
53.6°F
(12.0°C)
52.2°F
(11.2°C)
1.4°F
(0.8°C)
102nd Coolest
Coolest since:
1978
26th Warmest
Warmest since:
2012
Ties: 1911, 1986
Nov 1954–Jul 1955
9-Month
52.6°F
(11.4°C)
51.3°F
(10.7°C)
1.3°F
(0.7°C)
99th Coolest
Coolest since:
1904, 1912
29th Warmest
Warmest since:
2012
Ties: 1922, 1938, 1939, 1949, 1992
Oct 1954–Jul 1955
10-Month
53.1°F
(11.7°C)
52.0°F
(11.1°C)
1.1°F
(0.6°C)
93rd Coolest
Coolest since:
1904, 1912
35th Warmest
Warmest since:
2012
Ties: 1942, 1952
Sep 1954–Jul 1955
11-Month
54.9°F
(12.7°C)
53.5°F
(11.9°C)
1.4°F
(0.8°C)
107th Coolest
Coolest since:
1904
21st Warmest
Warmest since:
2012
Ties: 1942, 1953, 1974
Aug 1954–Jul 1955
12-Month
57.0°F
(13.9°C)
55.4°F
(13.0°C)
1.6°F
(0.9°C)
112th Coolest
Coolest since:
1904
16th Warmest
Warmest since:
2012
Feb 1954–Jul 1955
18-Month
58.5°F
(14.7°C)
56.5°F
(13.6°C)
2.0°F
(1.1°C)
119th Coolest
Coolest since:
1918, 1979
9th Warmest
Warmest since:
2012
Ties: 2000
Aug 1953–Jul 1955
24-Month
57.2°F
(14.0°C)
55.4°F
(13.0°C)
1.8°F
(1.0°C)
117th Coolest
Coolest since:
1979
10th Warmest
Warmest since:
2017
Ties: 1922, 2007
Aug 1952–Jul 1955
36-Month
57.0°F
(13.9°C)
55.4°F
(13.0°C)
1.6°F
(0.9°C)
115th Coolest
Coolest since:
1979
11th Warmest
Warmest since:
2018
Ties: 2008
Aug 1951–Jul 1955
48-Month
56.8°F
(13.8°C)
55.3°F
(12.9°C)
1.5°F
(0.9°C)
114th Coolest
Coolest since:
1980
11th Warmest
Warmest since:
2019
Ties: 2001
Aug 1950–Jul 1955
60-Month
56.1°F
(13.4°C)
55.3°F
(12.9°C)
0.8°F
(0.5°C)
93rd Coolest
Coolest since:
1906
31st Warmest
Warmest since:
2020
Ties: 1925, 1938, 1991, 1992, 2005

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