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 1927

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 1927
1-Month
69.8°F
(21.0°C)
66.2°F
(19.0°C)
3.6°F
(2.0°C)
113th Coolest
Coolest since:
1918
16th Warmest
Warmest since:
1925, 1933
Ties: 2007
Aug–Sep 1927
2-Month
68.9°F
(20.5°C)
69.8°F
(21.0°C)
-0.9°F
(-0.5°C)
37th Coolest
Coolest since:
1967
92nd Warmest
Warmest since:
1936
Jul–Sep 1927
3-Month
70.5°F
(21.4°C)
71.7°F
(22.1°C)
-1.2°F
(-0.7°C)
24th Coolest
Coolest since:
1967
105th Warmest
Warmest since:
1936
Ties: 1896, 1985, 1989
Jun–Sep 1927
4-Month
69.7°F
(20.9°C)
71.7°F
(22.1°C)
-2.0°F
(-1.2°C)
14th Coolest
Coolest since:
1915, 1924
115th Warmest
Warmest since:
1936
May–Sep 1927
5-Month
67.8°F
(19.9°C)
69.7°F
(20.9°C)
-1.9°F
(-1.0°C)
10th Coolest
Coolest since:
1924
119th Warmest
Warmest since:
1936
Ties: 1976
Apr–Sep 1927
6-Month
65.2°F
(18.4°C)
66.7°F
(19.3°C)
-1.5°F
(-0.9°C)
14th Coolest
Coolest since:
1907
115th Warmest
Warmest since:
2010
Ties: 1915, 1920
Mar–Sep 1927
7-Month
62.0°F
(16.7°C)
62.9°F
(17.2°C)
-0.9°F
(-0.5°C)
33rd Coolest
Coolest since:
1924
96th Warmest
Warmest since:
2012
Ties: 1979
Feb–Sep 1927
8-Month
58.8°F
(14.9°C)
58.6°F
(14.8°C)
0.2°F
(0.1°C)
69th Coolest
Coolest since:
1904
60th Warmest
Warmest since:
2012
Ties: 1945, 1949, 1985, 2009
Jan–Sep 1927
9-Month
55.0°F
(12.8°C)
54.9°F
(12.7°C)
0.1°F
(0.1°C)
65th Coolest
Coolest since:
1904, 1912
64th Warmest
Warmest since:
2012
Dec 1926–Sep 1927
10-Month
52.2°F
(11.2°C)
52.4°F
(11.3°C)
-0.2°F
(-0.1°C)
53rd Coolest
Coolest since:
1904
75th Warmest
Warmest since:
2012
Ties: 1900, 1936, 1977
Nov 1926–Sep 1927
11-Month
50.7°F
(10.4°C)
51.3°F
(10.7°C)
-0.6°F
(-0.3°C)
31st Coolest
Coolest since:
1904
97th Warmest
Warmest since:
2012
Ties: 1928, 1961, 1967, 2001
Oct 1926–Sep 1927
12-Month
51.0°F
(10.6°C)
51.7°F
(10.9°C)
-0.7°F
(-0.3°C)
33rd Coolest
Coolest since:
1904
95th Warmest
Warmest since:
2012
Ties: 1961, 1965, 1968, 1989, 1993, 2003
Apr 1926–Sep 1927
18-Month
55.8°F
(13.2°C)
56.6°F
(13.7°C)
-0.8°F
(-0.5°C)
23rd Coolest
Coolest since:
1904, 1918
105th Warmest
Warmest since:
2012
Ties: 1910, 1958, 1970, 1978, 1994
Oct 1925–Sep 1927
24-Month
50.3°F
(10.2°C)
51.6°F
(10.9°C)
-1.3°F
(-0.7°C)
7th Coolest
Coolest since:
1979
120th Warmest
Warmest since:
2017
Ties: 1997
Oct 1924–Sep 1927
36-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
33rd Coolest
Coolest since:
1979
93rd Warmest
Warmest since:
2018
Ties: 1900, 1902, 1913, 1984, 1994
Oct 1923–Sep 1927
48-Month
50.9°F
(10.5°C)
51.6°F
(10.9°C)
-0.7°F
(-0.4°C)
15th Coolest
Coolest since:
1905
110th Warmest
Warmest since:
2019
Ties: 1912, 1919, 1961, 1971, 1978
Oct 1922–Sep 1927
60-Month
51.0°F
(10.6°C)
51.5°F
(10.8°C)
-0.5°F
(-0.2°C)
18th Coolest
Coolest since:
1906
106th Warmest
Warmest since:
2020
Ties: 1902, 1928, 1930, 1969

Citing This Page