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 1990

View Period (Months):
Download: CSV JSON XML
  • Record Coolest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Warmest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
September 1990
1-Month		65.6°F
(18.7°C)		63.7°F
(17.6°C)		1.9°F
(1.1°C)		92nd Coolest
Coolest since:
1918
37th Warmest
Warmest since:
1897
Ties: 1900, 2013
Aug–Sep 1990
2-Month		68.2°F
(20.1°C)		67.4°F
(19.7°C)		0.8°F
(0.4°C)		79th Coolest
Coolest since:
1902
50th Warmest
Warmest since:
1947
Ties: 1954, 2000
Jul–Sep 1990
3-Month		69.3°F
(20.7°C)		69.3°F
(20.7°C)		0.0°F
(0.0°C)		54th Coolest
Coolest since:
1924
75th Warmest
Warmest since:
1936
Ties: 1920, 1968
Jun–Sep 1990
4-Month		69.3°F
(20.7°C)		69.2°F
(20.7°C)		0.1°F
(0.0°C)		55th Coolest
Coolest since:
1915
74th Warmest
Warmest since:
2005
Ties: 1920, 1964, 1986, 2001
May–Sep 1990
5-Month		66.6°F
(19.2°C)		67.1°F
(19.5°C)		-0.5°F
(-0.3°C)		36th Coolest
Coolest since:
1924
93rd Warmest
Warmest since:
1921, 1988
Ties: 1942, 1957, 1961, 1982
Apr–Sep 1990
6-Month		63.7°F
(17.6°C)		63.9°F
(17.7°C)		-0.2°F
(-0.1°C)		47th Coolest
Coolest since:
1907
82nd Warmest
Warmest since:
1921
Ties: 1956, 1984
Mar–Sep 1990
7-Month		60.5°F
(15.8°C)		59.9°F
(15.5°C)		0.6°F
(0.3°C)		77th Coolest
Coolest since:
1924
52nd Warmest
Warmest since:
2012
Ties: 1908, 1953, 1963, 2015
Feb–Sep 1990
8-Month		56.7°F
(13.7°C)		55.5°F
(13.1°C)		1.2°F
(0.6°C)		97th Coolest
Coolest since:
1904, 1917
32nd Warmest
Warmest since:
2012
Ties: 1946, 1953, 1995, 2007, 2018
Jan–Sep 1990
9-Month		54.0°F
(12.2°C)		51.7°F
(10.9°C)		2.3°F
(1.3°C)		116th Coolest
Coolest since:
1904, 1912
13th Warmest
Warmest since:
2012
Ties: 1933, 2000, 2020
Dec 1989–Sep 1990
10-Month		50.2°F
(10.1°C)		49.1°F
(9.5°C)		1.1°F
(0.6°C)		89th Coolest
Coolest since:
1904
39th Warmest
Warmest since:
2012
Nov 1989–Sep 1990
11-Month		48.9°F
(9.4°C)		48.1°F
(8.9°C)		0.8°F
(0.5°C)		86th Coolest
Coolest since:
1904
42nd Warmest
Warmest since:
2012
Oct 1989–Sep 1990
12-Month		49.3°F
(9.6°C)		48.5°F
(9.2°C)		0.8°F
(0.4°C)		88th Coolest
Coolest since:
1904
40th Warmest
Warmest since:
2012
Ties: 1900
Apr 1989–Sep 1990
18-Month		53.9°F
(12.2°C)		53.6°F
(12.0°C)		0.3°F
(0.2°C)		72nd Coolest
Coolest since:
1904
56th Warmest
Warmest since:
2012
Ties: 1911, 1923, 1937, 1944, 1957, 1974
Oct 1988–Sep 1990
24-Month		48.7°F
(9.3°C)		48.5°F
(9.2°C)		0.2°F
(0.1°C)		74th Coolest
Coolest since:
1918
53rd Warmest
Warmest since:
2017
Ties: 1965, 1983, 1996
Oct 1987–Sep 1990
36-Month		49.1°F
(9.5°C)		48.4°F
(9.1°C)		0.7°F
(0.4°C)		89th Coolest
Coolest since:
1979
37th Warmest
Warmest since:
2000
Ties: 1939, 1941, 1957
Oct 1986–Sep 1990
48-Month		49.6°F
(9.8°C)		48.4°F
(9.1°C)		1.2°F
(0.7°C)		104th Coolest
Coolest since:
1905, 1918
21st Warmest
Warmest since:
2001, 2002, 2019
Ties: 1935, 1956, 1991
Oct 1985–Sep 1990
60-Month		49.5°F
(9.7°C)		48.4°F
(9.1°C)		1.1°F
(0.6°C)		100th Coolest
Coolest since:
1905, 1906
24th Warmest
Warmest since:
2002
Ties: 1923, 1957, 1999

Citing This Page