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 1980

View Period (Months):
Download: CSV JSON XML
  • Record Coolest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 1980
1-Month 		67.8°F
(19.9°C)		 66.2°F
(19.0°C)		 1.6°F
(0.9°C)		 86th Coolest
Coolest since:
 1918
43rd Warmest
Warmest since:
 1925, 1933
Aug–Sep 1980
2-Month 		72.5°F
(22.5°C)		 69.8°F
(21.0°C)		 2.7°F
(1.5°C)		 115th Coolest
Coolest since:
 1967
14th Warmest
Warmest since:
 1936
Ties: 1955, 1959, 2018
Jul–Sep 1980
3-Month 		74.6°F
(23.7°C)		 71.7°F
(22.1°C)		 2.9°F
(1.6°C)		 124th Coolest
Coolest since:
 1967
5th Warmest
Warmest since:
 1936
Jun–Sep 1980
4-Month 		73.6°F
(23.1°C)		 71.7°F
(22.1°C)		 1.9°F
(1.0°C)		 111th Coolest
Coolest since:
 1915, 1924
18th Warmest
Warmest since:
 1936
May–Sep 1980
5-Month 		71.5°F
(21.9°C)		 69.7°F
(20.9°C)		 1.8°F
(1.0°C)		 108th Coolest
Coolest since:
 1924
21st Warmest
Warmest since:
 1936
Ties: 1939
Apr–Sep 1980
6-Month 		67.9°F
(19.9°C)		 66.7°F
(19.3°C)		 1.2°F
(0.6°C)		 96th Coolest
Coolest since:
 1907
33rd Warmest
Warmest since:
 2010
Ties: 1944, 2001, 2015, 2021
Mar–Sep 1980
7-Month 		63.3°F
(17.4°C)		 62.9°F
(17.2°C)		 0.4°F
(0.2°C)		 72nd Coolest
Coolest since:
 1924
57th Warmest
Warmest since:
 2012
Ties: 1898, 1901, 1944, 1948, 1952
Feb–Sep 1980
8-Month 		58.3°F
(14.6°C)		 58.7°F
(14.8°C)		 -0.4°F
(-0.2°C)		 51st Coolest
Coolest since:
 1904
78th Warmest
Warmest since:
 2012
Ties: 1962, 1963, 1968, 1974
Jan–Sep 1980
9-Month 		54.7°F
(12.6°C)		 54.9°F
(12.7°C)		 -0.2°F
(-0.1°C)		 55th Coolest
Coolest since:
 1904, 1912
74th Warmest
Warmest since:
 2012
Ties: 1910, 1945, 1948, 1974
Dec 1979–Sep 1980
10-Month 		52.6°F
(11.4°C)		 52.4°F
(11.3°C)		 0.2°F
(0.1°C)		 71st Coolest
Coolest since:
 1904
57th Warmest
Warmest since:
 2012
Ties: 1897
Nov 1979–Sep 1980
11-Month 		51.5°F
(10.8°C)		 51.4°F
(10.8°C)		 0.1°F
(0.0°C)		 67th Coolest
Coolest since:
 1904
61st Warmest
Warmest since:
 2012
Ties: 1900, 1972
Oct 1979–Sep 1980
12-Month 		51.7°F
(10.9°C)		 51.6°F
(10.9°C)		 0.1°F
(0.0°C)		 60th Coolest
Coolest since:
 1904
68th Warmest
Warmest since:
 2012
Ties: 1981
Apr 1979–Sep 1980
18-Month 		56.4°F
(13.6°C)		 56.7°F
(13.7°C)		 -0.3°F
(-0.1°C)		 45th Coolest
Coolest since:
 1904, 1918
83rd Warmest
Warmest since:
 2012
Ties: 1915, 1952
Oct 1978–Sep 1980
24-Month 		50.4°F
(10.2°C)		 51.6°F
(10.9°C)		 -1.2°F
(-0.7°C)		 9th Coolest
Coolest since:
 1979
118th Warmest
Warmest since:
 2017
Oct 1977–Sep 1980
36-Month 		50.0°F
(10.0°C)		 51.6°F
(10.9°C)		 -1.6°F
(-0.9°C)		 5th Coolest
Coolest since:
 1979
121st Warmest
Warmest since:
 2018
Oct 1976–Sep 1980
48-Month 		50.1°F
(10.1°C)		 51.6°F
(10.9°C)		 -1.5°F
(-0.8°C)		 2nd Coolest
Coolest since:
 1905
123rd Warmest
Warmest since:
 2019
Ties: 1907
Oct 1975–Sep 1980
60-Month 		50.6°F
(10.3°C)		 51.6°F
(10.9°C)		 -1.0°F
(-0.6°C)		 8th Coolest
Coolest since:
 1906
116th Warmest
Warmest since:
 2020
Ties: 1904

Citing This Page