Statewide Rankings

Statewide 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

Average Temperature Rankings, September 1918

View Period (Months):
Download: csv json xml
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1918
1-Month
58.9°F
(14.9°C)
66.2°F
(19.0°C)
-7.3°F
(-4.1°C)
1st Coolest
Coolest since:
1918
128th Warmest
Warmest since:
1925, 1933
Aug–Sep 1918
2-Month
68.4°F
(20.2°C)
69.9°F
(21.1°C)
-1.5°F
(-0.9°C)
27th Coolest
Coolest since:
1967
102nd Warmest
Warmest since:
1936
Ties: 1907, 1942, 1999, 2009
Jul–Sep 1918
3-Month
70.0°F
(21.1°C)
71.8°F
(22.1°C)
-1.8°F
(-1.0°C)
17th Coolest
Coolest since:
1967
112th Warmest
Warmest since:
1936
Jun–Sep 1918
4-Month
70.4°F
(21.3°C)
71.7°F
(22.1°C)
-1.3°F
(-0.8°C)
23rd Coolest
Coolest since:
1915, 1924
106th Warmest
Warmest since:
1936
Ties: 1912, 1962, 1996, 2014
May–Sep 1918
5-Month
69.5°F
(20.8°C)
69.7°F
(20.9°C)
-0.2°F
(-0.1°C)
50th Coolest
Coolest since:
1924
79th Warmest
Warmest since:
1936
Ties: 1923, 1971
Apr–Sep 1918
6-Month
65.7°F
(18.7°C)
66.7°F
(19.3°C)
-1.0°F
(-0.6°C)
29th Coolest
Coolest since:
1907
100th Warmest
Warmest since:
2010
Ties: 1958, 1979, 2009
Mar–Sep 1918
7-Month
62.9°F
(17.2°C)
62.9°F
(17.2°C)
0.0°F
(0.0°C)
57th Coolest
Coolest since:
1924
72nd Warmest
Warmest since:
2012
Ties: 1949, 1956, 1957, 1981
Feb–Sep 1918
8-Month
58.7°F
(14.8°C)
58.7°F
(14.8°C)
0.0°F
(0.0°C)
61st Coolest
Coolest since:
1904
68th Warmest
Warmest since:
2012
Ties: 1913, 1935, 1970
Jan–Sep 1918
9-Month
53.4°F
(11.9°C)
55.0°F
(12.8°C)
-1.6°F
(-0.9°C)
13th Coolest
Coolest since:
1904, 1912
116th Warmest
Warmest since:
2012
Ties: 1895, 1905, 1920, 1929, 1960
Dec 1917–Sep 1918
10-Month
50.1°F
(10.1°C)
52.4°F
(11.3°C)
-2.3°F
(-1.2°C)
8th Coolest
Coolest since:
1904
120th Warmest
Warmest since:
2012
Nov 1917–Sep 1918
11-Month
49.3°F
(9.6°C)
51.3°F
(10.7°C)
-2.0°F
(-1.1°C)
11th Coolest
Coolest since:
1904
117th Warmest
Warmest since:
2012
Oct 1917–Sep 1918
12-Month
49.0°F
(9.4°C)
51.6°F
(10.9°C)
-2.6°F
(-1.5°C)
3rd Coolest
Coolest since:
1904
125th Warmest
Warmest since:
2012
Apr 1917–Sep 1918
18-Month
53.9°F
(12.2°C)
56.7°F
(13.7°C)
-2.8°F
(-1.5°C)
1st Coolest
Coolest since:
1904, 1918
127th Warmest
Warmest since:
2012
Ties: 1904
Oct 1916–Sep 1918
24-Month
49.3°F
(9.6°C)
51.6°F
(10.9°C)
-2.3°F
(-1.3°C)
3rd Coolest
Coolest since:
1979
124th Warmest
Warmest since:
2017
Oct 1915–Sep 1918
36-Month
50.1°F
(10.1°C)
51.6°F
(10.9°C)
-1.5°F
(-0.8°C)
6th Coolest
Coolest since:
1979
120th Warmest
Warmest since:
2018
Oct 1914–Sep 1918
48-Month
50.2°F
(10.1°C)
51.6°F
(10.9°C)
-1.4°F
(-0.8°C)
4th Coolest
Coolest since:
1905
121st Warmest
Warmest since:
2019
Oct 1913–Sep 1918
60-Month
50.7°F
(10.4°C)
51.6°F
(10.9°C)
-0.9°F
(-0.5°C)
10th Coolest
Coolest since:
1906
114th Warmest
Warmest since:
2020
Ties: 1920

Citing This Page