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 7. East Southeast

Average Temperature Rankings, December 1917

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
December 1917
1-Month		22.1°F
(-5.5°C)		31.5°F
(-0.3°C)		-9.4°F
(-5.2°C)		5th Coolest
Coolest to Date
1989
124th Warmest
Warmest since:
2015, 2021
Nov–Dec 1917
2-Month		32.3°F
(0.2°C)		36.9°F
(2.7°C)		-4.6°F
(-2.5°C)		8th Coolest
Coolest since:
1950
121st Warmest
Warmest since:
1931, 2015
Oct–Dec 1917
3-Month		37.2°F
(2.9°C)		43.1°F
(6.2°C)		-5.9°F
(-3.3°C)		2nd Coolest
Coolest to Date
1976
127th Warmest
Warmest since:
1931
Sep–Dec 1917
4-Month		44.3°F
(6.8°C)		49.2°F
(9.6°C)		-4.9°F
(-2.8°C)		2nd Coolest
Coolest to Date
1976
127th Warmest
Warmest since:
1931
Aug–Dec 1917
5-Month		49.9°F
(9.9°C)		54.2°F
(12.3°C)		-4.3°F
(-2.4°C)		2nd Coolest
Coolest to Date
1976
127th Warmest
Warmest since:
1931
Jul–Dec 1917
6-Month		54.1°F
(12.3°C)		57.9°F
(14.4°C)		-3.8°F
(-2.1°C)		2nd Coolest
Coolest to Date
1976
127th Warmest
Warmest since:
1931
Jun–Dec 1917
7-Month		56.3°F
(13.5°C)		60.0°F
(15.6°C)		-3.7°F
(-2.1°C)		2nd Coolest
Coolest to Date
1976
127th Warmest
Warmest since:
1931
May–Dec 1917
8-Month		56.3°F
(13.5°C)		60.4°F
(15.8°C)		-4.1°F
(-2.3°C)		1st Coolest
Coolest to Date
1917
128th Warmest
Warmest since:
1931
Apr–Dec 1917
9-Month		55.7°F
(13.2°C)		59.5°F
(15.3°C)		-3.8°F
(-2.1°C)		1st Coolest
Coolest to Date
1917
128th Warmest
Warmest since:
1931
Mar–Dec 1917
10-Month		54.4°F
(12.4°C)		57.7°F
(14.3°C)		-3.3°F
(-1.9°C)		1st Coolest
Coolest to Date
1917
128th Warmest
Warmest since:
2012
Feb–Dec 1917
11-Month		51.9°F
(11.1°C)		55.4°F
(13.0°C)		-3.5°F
(-1.9°C)		1st Coolest
Coolest to Date
1917
128th Warmest
Warmest since:
2012
Jan–Dec 1917
12-Month		50.1°F
(10.1°C)		53.1°F
(11.7°C)		-3.0°F
(-1.6°C)		1st Coolest
Coolest to Date
1917
128th Warmest
Warmest since:
2012
Jul 1916–Dec 1917
18-Month		52.9°F
(11.6°C)		54.7°F
(12.6°C)		-1.8°F
(-1.0°C)		3rd Coolest
Coolest since:
1904
125th Warmest
Warmest since:
2012
Ties: 2014
Jan 1916–Dec 1917
24-Month		51.4°F
(10.8°C)		53.1°F
(11.7°C)		-1.7°F
(-0.9°C)		5th Coolest
Coolest since:
1979
123rd Warmest
Warmest since:
2012
Jan 1915–Dec 1917
36-Month		51.7°F
(10.9°C)		53.1°F
(11.7°C)		-1.4°F
(-0.8°C)		5th Coolest
Coolest since:
1905, 1979, 1980
122nd Warmest
Warmest since:
2012
Ties: 1906, 1978
Jan 1914–Dec 1917
48-Month		52.2°F
(11.2°C)		53.0°F
(11.7°C)		-0.8°F
(-0.5°C)		15th Coolest
Coolest since:
1979
111th Warmest
Warmest since:
2007, 2018, 2019
Ties: 1961
Jan 1913–Dec 1917
60-Month		52.6°F
(11.4°C)		53.0°F
(11.7°C)		-0.4°F
(-0.3°C)		29th Coolest
Coolest since:
1980
96th Warmest
Warmest since:
2002, 2020
Ties: 1901, 1902, 1912, 1929, 1967, 1997

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