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 1990

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
July 1990
1-Month
77.1°F
(25.1°C)
77.9°F
(25.5°C)
-0.8°F
(-0.4°C)
48th Coolest
Coolest since:
2014
81st Warmest
Warmest since:
2012
Ties: 1922, 1940, 1985, 2008
Jun–Jul 1990
2-Month
75.9°F
(24.4°C)
75.9°F
(24.4°C)
0.0°F
(0.0°C)
68th Coolest
Coolest since:
1904, 1927
61st Warmest
Warmest since:
1934
Ties: 1898, 1969
May–Jul 1990
3-Month
71.3°F
(21.8°C)
72.3°F
(22.4°C)
-1.0°F
(-0.6°C)
33rd Coolest
Coolest since:
1924
96th Warmest
Warmest since:
1934
Ties: 1912, 1972, 1974
Apr–Jul 1990
4-Month
66.9°F
(19.4°C)
68.1°F
(20.1°C)
-1.2°F
(-0.7°C)
21st Coolest
Coolest since:
1907
108th Warmest
Warmest since:
2012
Ties: 1897, 1909, 1926, 1973
Mar–Jul 1990
5-Month
63.2°F
(17.3°C)
63.4°F
(17.4°C)
-0.2°F
(-0.1°C)
53rd Coolest
Coolest since:
1960
76th Warmest
Warmest since:
2012
Ties: 1898, 1903
Feb–Jul 1990
6-Month
59.5°F
(15.3°C)
58.6°F
(14.8°C)
0.9°F
(0.5°C)
85th Coolest
Coolest since:
1947
44th Warmest
Warmest since:
2012
Ties: 1933, 1959, 1981
Jan–Jul 1990
7-Month
56.9°F
(13.8°C)
54.7°F
(12.6°C)
2.2°F
(1.2°C)
113th Coolest
Coolest since:
1912
16th Warmest
Warmest since:
2012
Ties: 1911, 1925, 1933
Dec 1989–Jul 1990
8-Month
52.7°F
(11.5°C)
52.2°F
(11.2°C)
0.5°F
(0.3°C)
75th Coolest
Coolest since:
1978
53rd Warmest
Warmest since:
2012
Ties: 1967, 2013, 2021
Nov 1989–Jul 1990
9-Month
51.9°F
(11.1°C)
51.3°F
(10.7°C)
0.6°F
(0.4°C)
76th Coolest
Coolest since:
1904, 1912
52nd Warmest
Warmest since:
2012
Ties: 1930, 1981, 2019
Oct 1989–Jul 1990
10-Month
52.6°F
(11.4°C)
52.0°F
(11.1°C)
0.6°F
(0.3°C)
80th Coolest
Coolest since:
1904, 1912
48th Warmest
Warmest since:
2012
Ties: 1898, 1901, 1983, 2019
Sep 1989–Jul 1990
11-Month
53.8°F
(12.1°C)
53.5°F
(11.9°C)
0.3°F
(0.2°C)
69th Coolest
Coolest since:
1904
59th Warmest
Warmest since:
2012
Ties: 1983
Aug 1989–Jul 1990
12-Month
55.6°F
(13.1°C)
55.4°F
(13.0°C)
0.2°F
(0.1°C)
69th Coolest
Coolest since:
1904
59th Warmest
Warmest since:
2012
Ties: 1943, 1944, 1988
Feb 1989–Jul 1990
18-Month
56.0°F
(13.3°C)
56.5°F
(13.6°C)
-0.5°F
(-0.3°C)
40th Coolest
Coolest since:
1918, 1979
88th Warmest
Warmest since:
2012
Ties: 1896, 1915, 1936, 1967, 1996
Aug 1988–Jul 1990
24-Month
55.4°F
(13.0°C)
55.4°F
(13.0°C)
0.0°F
(0.0°C)
57th Coolest
Coolest since:
1979
70th Warmest
Warmest since:
2017
Ties: 1910, 1976, 1981, 1993, 1995
Aug 1987–Jul 1990
36-Month
55.5°F
(13.1°C)
55.4°F
(13.0°C)
0.1°F
(0.1°C)
67th Coolest
Coolest since:
1979
59th Warmest
Warmest since:
2018
Ties: 1909, 1924, 1937, 1949, 1973
Aug 1986–Jul 1990
48-Month
55.8°F
(13.2°C)
55.3°F
(12.9°C)
0.5°F
(0.3°C)
78th Coolest
Coolest since:
1980
47th Warmest
Warmest since:
2019
Ties: 1943, 1949, 1974
Aug 1985–Jul 1990
60-Month
55.9°F
(13.3°C)
55.3°F
(12.9°C)
0.6°F
(0.4°C)
81st Coolest
Coolest since:
1906
43rd Warmest
Warmest since:
2020
Ties: 1945, 1946, 1989, 1999

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