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 1941

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
July 1941
1-Month
79.8°F
(26.6°C)
77.9°F
(25.5°C)
1.9°F
(1.1°C)
106th Coolest
Coolest since:
2014
23rd Warmest
Warmest since:
2012
Ties: 1952
Jun–Jul 1941
2-Month
77.6°F
(25.3°C)
75.9°F
(24.4°C)
1.7°F
(0.9°C)
104th Coolest
Coolest since:
1904, 1927
25th Warmest
Warmest since:
1934
Ties: 1919
May–Jul 1941
3-Month
74.5°F
(23.6°C)
72.3°F
(22.4°C)
2.2°F
(1.2°C)
110th Coolest
Coolest since:
1924
19th Warmest
Warmest since:
1934
Ties: 1962, 1998, 2022
Apr–Jul 1941
4-Month
70.7°F
(21.5°C)
68.1°F
(20.1°C)
2.6°F
(1.4°C)
119th Coolest
Coolest since:
1907
10th Warmest
Warmest since:
2012
Mar–Jul 1941
5-Month
64.4°F
(18.0°C)
63.4°F
(17.4°C)
1.0°F
(0.6°C)
92nd Coolest
Coolest since:
1960
37th Warmest
Warmest since:
2012
Ties: 1896, 1942, 2020
Feb–Jul 1941
6-Month
58.9°F
(14.9°C)
58.6°F
(14.8°C)
0.3°F
(0.1°C)
70th Coolest
Coolest since:
1947
59th Warmest
Warmest since:
2012
Ties: 1939, 1943, 1995
Jan–Jul 1941
7-Month
55.4°F
(13.0°C)
54.7°F
(12.6°C)
0.7°F
(0.4°C)
81st Coolest
Coolest since:
1912
48th Warmest
Warmest since:
2012
Ties: 1908
Dec 1940–Jul 1941
8-Month
53.4°F
(11.9°C)
52.2°F
(11.2°C)
1.2°F
(0.7°C)
95th Coolest
Coolest since:
1978
33rd Warmest
Warmest since:
2012
Ties: 1930, 1939, 1949, 2019
Nov 1940–Jul 1941
9-Month
52.2°F
(11.2°C)
51.3°F
(10.7°C)
0.9°F
(0.5°C)
86th Coolest
Coolest since:
1904, 1912
42nd Warmest
Warmest since:
2012
Ties: 1896
Oct 1940–Jul 1941
10-Month
53.2°F
(11.8°C)
52.0°F
(11.1°C)
1.2°F
(0.7°C)
96th Coolest
Coolest since:
1904, 1912
32nd Warmest
Warmest since:
2012
Ties: 1946, 2018
Sep 1940–Jul 1941
11-Month
54.6°F
(12.6°C)
53.5°F
(11.9°C)
1.1°F
(0.7°C)
96th Coolest
Coolest since:
1904
32nd Warmest
Warmest since:
2012
Ties: 1925
Aug 1940–Jul 1941
12-Month
56.5°F
(13.6°C)
55.4°F
(13.0°C)
1.1°F
(0.6°C)
100th Coolest
Coolest since:
1904
28th Warmest
Warmest since:
2012
Ties: 1919, 1922, 1946, 1957, 1972, 1986, 1992, 2007
Feb 1940–Jul 1941
18-Month
56.7°F
(13.7°C)
56.5°F
(13.6°C)
0.2°F
(0.1°C)
72nd Coolest
Coolest since:
1918, 1979
56th Warmest
Warmest since:
2012
Ties: 1901, 1926, 1944, 1965, 1976
Aug 1939–Jul 1941
24-Month
55.3°F
(12.9°C)
55.4°F
(13.0°C)
-0.1°F
(-0.1°C)
48th Coolest
Coolest since:
1979
79th Warmest
Warmest since:
2017
Ties: 1897, 1902, 1908, 1920, 1936, 1948, 1966, 1996
Aug 1938–Jul 1941
36-Month
55.9°F
(13.3°C)
55.4°F
(13.0°C)
0.5°F
(0.3°C)
83rd Coolest
Coolest since:
1979
43rd Warmest
Warmest since:
2018
Ties: 1940
Aug 1937–Jul 1941
48-Month
56.0°F
(13.3°C)
55.3°F
(12.9°C)
0.7°F
(0.4°C)
91st Coolest
Coolest since:
1980
34th Warmest
Warmest since:
2019
Ties: 1936, 1937, 1939, 1988, 1989, 1991, 1993, 2004, 2015
Aug 1936–Jul 1941
60-Month
56.0°F
(13.3°C)
55.3°F
(12.9°C)
0.7°F
(0.4°C)
87th Coolest
Coolest since:
1906
37th Warmest
Warmest since:
2020
Ties: 1932, 1937, 1939, 1943, 1958

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