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 1981

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 1981
1-Month 		62.2°F
(16.8°C)		 63.7°F
(17.6°C)		 -1.5°F
(-0.8°C)		 30th Coolest
Coolest since:
 1918
99th Warmest
Warmest since:
 1897
Ties: 1903, 1934
Aug–Sep 1981
2-Month 		66.4°F
(19.1°C)		 67.5°F
(19.7°C)		 -1.1°F
(-0.6°C)		 34th Coolest
Coolest since:
 1902
95th Warmest
Warmest since:
 1947
Ties: 1943, 1964, 1994
Jul–Sep 1981
3-Month 		68.2°F
(20.1°C)		 69.4°F
(20.8°C)		 -1.2°F
(-0.7°C)		 23rd Coolest
Coolest since:
 1924
106th Warmest
Warmest since:
 1936
Ties: 1929, 1975, 1996
Jun–Sep 1981
4-Month 		68.6°F
(20.3°C)		 69.1°F
(20.6°C)		 -0.5°F
(-0.3°C)		 39th Coolest
Coolest since:
 1915
90th Warmest
Warmest since:
 2005
Ties: 2003
May–Sep 1981
5-Month 		66.1°F
(18.9°C)		 67.1°F
(19.5°C)		 -1.0°F
(-0.6°C)		 26th Coolest
Coolest since:
 1924
103rd Warmest
Warmest since:
 1921, 1988
Ties: 1910, 1966
Apr–Sep 1981
6-Month 		63.8°F
(17.7°C)		 63.9°F
(17.7°C)		 -0.1°F
(0.0°C)		 50th Coolest
Coolest since:
 1907
79th Warmest
Warmest since:
 1921
Ties: 1965
Mar–Sep 1981
7-Month 		60.1°F
(15.6°C)		 59.9°F
(15.5°C)		 0.2°F
(0.1°C)		 60th Coolest
Coolest since:
 1924
69th Warmest
Warmest since:
 2012
Ties: 1905, 1948
Feb–Sep 1981
8-Month 		56.0°F
(13.3°C)		 55.5°F
(13.1°C)		 0.5°F
(0.2°C)		 77th Coolest
Coolest since:
 1904, 1917
52nd Warmest
Warmest since:
 2012
Ties: 1968
Jan–Sep 1981
9-Month 		52.2°F
(11.2°C)		 51.7°F
(10.9°C)		 0.5°F
(0.3°C)		 77th Coolest
Coolest since:
 1904, 1912
52nd Warmest
Warmest since:
 2012
Ties: 1906, 1942, 1959, 2011
Dec 1980–Sep 1981
10-Month 		49.6°F
(9.8°C)		 49.1°F
(9.5°C)		 0.5°F
(0.3°C)		 72nd Coolest
Coolest since:
 1904
56th Warmest
Warmest since:
 2012
Ties: 1913, 1992
Nov 1980–Sep 1981
11-Month 		48.7°F
(9.3°C)		 48.1°F
(8.9°C)		 0.6°F
(0.4°C)		 83rd Coolest
Coolest since:
 1904
45th Warmest
Warmest since:
 2012
Ties: 1898, 1908, 1911, 1946, 1964, 1985
Oct 1980–Sep 1981
12-Month 		48.7°F
(9.3°C)		 48.5°F
(9.2°C)		 0.2°F
(0.1°C)		 73rd Coolest
Coolest since:
 1904
55th Warmest
Warmest since:
 2012
Ties: 1901, 1908, 1946, 1959, 1974
Apr 1980–Sep 1981
18-Month 		54.0°F
(12.2°C)		 53.6°F
(12.0°C)		 0.4°F
(0.2°C)		 76th Coolest
Coolest since:
 1904
52nd Warmest
Warmest since:
 2012
Ties: 1938, 1941, 1985
Oct 1979–Sep 1981
24-Month 		48.6°F
(9.2°C)		 48.4°F
(9.1°C)		 0.2°F
(0.1°C)		 71st Coolest
Coolest since:
 1918
56th Warmest
Warmest since:
 2017
Ties: 1911, 1941, 1943, 1947, 1975, 1996
Oct 1978–Sep 1981
36-Month 		47.7°F
(8.7°C)		 48.4°F
(9.1°C)		 -0.7°F
(-0.4°C)		 16th Coolest
Coolest since:
 1979
110th Warmest
Warmest since:
 2000
Ties: 1907, 1962, 1963
Oct 1977–Sep 1981
48-Month 		47.4°F
(8.6°C)		 48.4°F
(9.1°C)		 -1.0°F
(-0.5°C)		 10th Coolest
Coolest since:
 1905, 1918
115th Warmest
Warmest since:
 2001, 2002, 2019
Ties: 1979, 1982
Oct 1976–Sep 1981
60-Month 		47.4°F
(8.6°C)		 48.4°F
(9.1°C)		 -1.0°F
(-0.5°C)		 7th Coolest
Coolest since:
 1905, 1906
117th Warmest
Warmest since:
 2002
Ties: 1920

Citing This Page