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 2. Northeast

Average Temperature Rankings, September 1990

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1990
1-Month
65.6°F
(18.7°C)
63.7°F
(17.6°C)
1.9°F
(1.1°C)
92nd Coolest
Coolest since:
1918
37th Warmest
Warmest since:
1897
Ties: 1900, 2013
Aug–Sep 1990
2-Month
68.1°F
(20.1°C)
67.4°F
(19.7°C)
0.7°F
(0.4°C)
77th Coolest
Coolest since:
1902
52nd Warmest
Warmest since:
1947
Ties: 1970, 2020
Jul–Sep 1990
3-Month
69.3°F
(20.7°C)
69.3°F
(20.7°C)
0.0°F
(0.0°C)
54th Coolest
Coolest since:
1924
75th Warmest
Warmest since:
1936
Ties: 1920, 1968
Jun–Sep 1990
4-Month
69.3°F
(20.7°C)
69.1°F
(20.6°C)
0.2°F
(0.1°C)
57th Coolest
Coolest since:
1915
72nd Warmest
Warmest since:
2005
Ties: 1964, 1986
May–Sep 1990
5-Month
66.6°F
(19.2°C)
67.1°F
(19.5°C)
-0.5°F
(-0.3°C)
36th Coolest
Coolest since:
1924
93rd Warmest
Warmest since:
1921, 1988
Ties: 1942, 1957, 1961, 1982
Apr–Sep 1990
6-Month
63.7°F
(17.6°C)
63.9°F
(17.7°C)
-0.2°F
(-0.1°C)
47th Coolest
Coolest since:
1907
82nd Warmest
Warmest since:
1921
Ties: 1956, 1984
Mar–Sep 1990
7-Month
60.5°F
(15.8°C)
59.9°F
(15.5°C)
0.6°F
(0.3°C)
77th Coolest
Coolest since:
1924
52nd Warmest
Warmest since:
2012
Ties: 1908, 1953, 1963, 2015
Feb–Sep 1990
8-Month
56.7°F
(13.7°C)
55.5°F
(13.1°C)
1.2°F
(0.6°C)
97th Coolest
Coolest since:
1904, 1917
32nd Warmest
Warmest since:
2012
Ties: 1946, 1953, 1995, 2007, 2018
Jan–Sep 1990
9-Month
54.0°F
(12.2°C)
51.7°F
(10.9°C)
2.3°F
(1.3°C)
116th Coolest
Coolest since:
1904, 1912
13th Warmest
Warmest since:
2012
Ties: 1933, 2000, 2020
Dec 1989–Sep 1990
10-Month
50.2°F
(10.1°C)
49.2°F
(9.6°C)
1.0°F
(0.5°C)
90th Coolest
Coolest since:
1904
38th Warmest
Warmest since:
2012
Ties: 1942
Nov 1989–Sep 1990
11-Month
48.9°F
(9.4°C)
48.1°F
(8.9°C)
0.8°F
(0.5°C)
86th Coolest
Coolest since:
1904
42nd Warmest
Warmest since:
2012
Oct 1989–Sep 1990
12-Month
49.3°F
(9.6°C)
48.5°F
(9.2°C)
0.8°F
(0.4°C)
88th Coolest
Coolest since:
1904
40th Warmest
Warmest since:
2012
Apr 1989–Sep 1990
18-Month
53.8°F
(12.1°C)
53.6°F
(12.0°C)
0.2°F
(0.1°C)
64th Coolest
Coolest since:
1904
64th Warmest
Warmest since:
2012
Ties: 1971, 1973, 2001, 2003
Oct 1988–Sep 1990
24-Month
48.7°F
(9.3°C)
48.5°F
(9.2°C)
0.2°F
(0.1°C)
74th Coolest
Coolest since:
1918
53rd Warmest
Warmest since:
2017
Ties: 1965, 1983
Oct 1987–Sep 1990
36-Month
49.1°F
(9.5°C)
48.4°F
(9.1°C)
0.7°F
(0.4°C)
89th Coolest
Coolest since:
1979
37th Warmest
Warmest since:
2000
Ties: 1939, 1941, 1957
Oct 1986–Sep 1990
48-Month
49.6°F
(9.8°C)
48.4°F
(9.1°C)
1.2°F
(0.7°C)
104th Coolest
Coolest since:
1905, 1918
21st Warmest
Warmest since:
2001, 2002, 2019
Ties: 1935, 1956, 1991
Oct 1985–Sep 1990
60-Month
49.5°F
(9.7°C)
48.4°F
(9.1°C)
1.1°F
(0.6°C)
100th Coolest
Coolest since:
1905, 1906
24th Warmest
Warmest since:
2002
Ties: 1923, 1957, 1999

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