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 1917

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1917
1-Month
61.1°F
(16.2°C)
63.7°F
(17.6°C)
-2.6°F
(-1.4°C)
14th Coolest
Coolest since:
1918
115th Warmest
Warmest since:
1897
Ties: 1909
Aug–Sep 1917
2-Month
64.9°F
(18.3°C)
67.4°F
(19.7°C)
-2.5°F
(-1.4°C)
9th Coolest
Coolest since:
1902
120th Warmest
Warmest since:
1947
Jul–Sep 1917
3-Month
67.4°F
(19.7°C)
69.4°F
(20.8°C)
-2.0°F
(-1.1°C)
10th Coolest
Coolest since:
1924
119th Warmest
Warmest since:
1936
Ties: 1962
Jun–Sep 1917
4-Month
66.6°F
(19.2°C)
69.2°F
(20.7°C)
-2.6°F
(-1.5°C)
7th Coolest
Coolest since:
1915
122nd Warmest
Warmest since:
2005
May–Sep 1917
5-Month
63.7°F
(17.6°C)
67.1°F
(19.5°C)
-3.4°F
(-1.9°C)
3rd Coolest
Coolest since:
1924
126th Warmest
Warmest since:
1921, 1988
Apr–Sep 1917
6-Month
60.6°F
(15.9°C)
63.9°F
(17.7°C)
-3.3°F
(-1.8°C)
3rd Coolest
Coolest since:
1907
126th Warmest
Warmest since:
1921
Mar–Sep 1917
7-Month
57.1°F
(13.9°C)
59.9°F
(15.5°C)
-2.8°F
(-1.6°C)
2nd Coolest
Coolest since:
1924
127th Warmest
Warmest since:
2012
Ties: 1926, 1950
Feb–Sep 1917
8-Month
52.1°F
(11.2°C)
55.5°F
(13.1°C)
-3.4°F
(-1.9°C)
1st Coolest
Coolest since:
1904, 1917
128th Warmest
Warmest since:
2012
Ties: 1904
Jan–Sep 1917
9-Month
48.5°F
(9.2°C)
51.7°F
(10.9°C)
-3.2°F
(-1.7°C)
4th Coolest
Coolest since:
1904, 1912
125th Warmest
Warmest since:
2012
Dec 1916–Sep 1917
10-Month
45.8°F
(7.7°C)
49.1°F
(9.5°C)
-3.3°F
(-1.8°C)
2nd Coolest
Coolest since:
1904
126th Warmest
Warmest since:
2012
Nov 1916–Sep 1917
11-Month
45.2°F
(7.3°C)
48.1°F
(8.9°C)
-2.9°F
(-1.6°C)
4th Coolest
Coolest since:
1904
124th Warmest
Warmest since:
2012
Oct 1916–Sep 1917
12-Month
45.7°F
(7.6°C)
48.5°F
(9.2°C)
-2.8°F
(-1.6°C)
3rd Coolest
Coolest since:
1904
125th Warmest
Warmest since:
2012
Ties: 1926, 2014
Apr 1916–Sep 1917
18-Month
51.8°F
(11.0°C)
53.6°F
(12.0°C)
-1.8°F
(-1.0°C)
4th Coolest
Coolest since:
1904
124th Warmest
Warmest since:
2012
Ties: 1905, 2014
Oct 1915–Sep 1917
24-Month
47.0°F
(8.3°C)
48.5°F
(9.2°C)
-1.5°F
(-0.9°C)
8th Coolest
Coolest since:
1918
119th Warmest
Warmest since:
2017
Ties: 1951
Oct 1914–Sep 1917
36-Month
47.1°F
(8.4°C)
48.5°F
(9.2°C)
-1.4°F
(-0.8°C)
7th Coolest
Coolest since:
1979
119th Warmest
Warmest since:
2000
Oct 1913–Sep 1917
48-Month
47.7°F
(8.7°C)
48.4°F
(9.1°C)
-0.7°F
(-0.4°C)
17th Coolest
Coolest since:
1905, 1918
108th Warmest
Warmest since:
2001, 2002, 2019
Ties: 1915, 1928
Oct 1912–Sep 1917
60-Month
47.9°F
(8.8°C)
48.4°F
(9.1°C)
-0.5°F
(-0.3°C)
21st Coolest
Coolest since:
1905, 1906
103rd Warmest
Warmest since:
2002
Ties: 1913, 1926

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