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 8. Southwest

Average Temperature Rankings, June 1979

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
June 1979
1-Month
73.9°F
(23.3°C)
73.9°F
(23.3°C)
0.0°F
(0.0°C)
53rd Coolest
Coolest since:
1903
76th Warmest
Warmest since:
1952
Ties: 1940
May–Jun 1979
2-Month
68.4°F
(20.2°C)
69.4°F
(20.8°C)
-1.0°F
(-0.6°C)
34th Coolest
Coolest since:
1907
95th Warmest
Warmest since:
2018
Ties: 1916, 1955, 1968, 1990
Apr–Jun 1979
3-Month
63.5°F
(17.5°C)
64.8°F
(18.2°C)
-1.3°F
(-0.7°C)
24th Coolest
Coolest since:
1907
105th Warmest
Warmest since:
2010
Ties: 1950, 1990, 1993
Mar–Jun 1979
4-Month
58.7°F
(14.8°C)
59.7°F
(15.4°C)
-1.0°F
(-0.6°C)
33rd Coolest
Coolest since:
1960
96th Warmest
Warmest since:
2012
Ties: 1900, 1909
Feb–Jun 1979
5-Month
51.8°F
(11.0°C)
54.8°F
(12.7°C)
-3.0°F
(-1.7°C)
7th Coolest
Coolest since:
1912, 1960, 1978
122nd Warmest
Warmest since:
2012
Ties: 1904
Jan–Jun 1979
6-Month
46.3°F
(7.9°C)
50.8°F
(10.4°C)
-4.5°F
(-2.5°C)
3rd Coolest
Coolest since:
1912, 1978
126th Warmest
Warmest since:
2012
Dec 1978–Jun 1979
7-Month
44.7°F
(7.1°C)
48.5°F
(9.2°C)
-3.8°F
(-2.1°C)
2nd Coolest
Coolest since:
1978
126th Warmest
Warmest since:
2012
Ties: 1912
Nov 1978–Jun 1979
8-Month
45.0°F
(7.2°C)
48.0°F
(8.9°C)
-3.0°F
(-1.7°C)
5th Coolest
Coolest since:
1912
123rd Warmest
Warmest since:
2012
Oct 1978–Jun 1979
9-Month
46.1°F
(7.8°C)
49.1°F
(9.5°C)
-3.0°F
(-1.7°C)
5th Coolest
Coolest since:
1912, 1978
123rd Warmest
Warmest since:
2012
Sep 1978–Jun 1979
10-Month
48.6°F
(9.2°C)
51.1°F
(10.6°C)
-2.5°F
(-1.4°C)
5th Coolest
Coolest since:
1978
123rd Warmest
Warmest since:
2012
Ties: 1899
Aug 1978–Jun 1979
11-Month
51.1°F
(10.6°C)
53.3°F
(11.8°C)
-2.2°F
(-1.2°C)
6th Coolest
Coolest since:
1904, 1978
122nd Warmest
Warmest since:
2012
Ties: 1977
Jul 1978–Jun 1979
12-Month
53.4°F
(11.9°C)
55.4°F
(13.0°C)
-2.0°F
(-1.1°C)
9th Coolest
Coolest since:
1904, 1912, 1918, 1978
119th Warmest
Warmest since:
2012
Jan 1978–Jun 1979
18-Month
50.9°F
(10.5°C)
53.8°F
(12.1°C)
-2.9°F
(-1.6°C)
1st Coolest
Coolest since:
1979
127th Warmest
Warmest since:
2017
Jul 1977–Jun 1979
24-Month
53.1°F
(11.7°C)
55.3°F
(12.9°C)
-2.2°F
(-1.2°C)
1st Coolest
Coolest since:
1978, 1979
126th Warmest
Warmest since:
2017
Ties: 1978
Jul 1976–Jun 1979
36-Month
53.2°F
(11.8°C)
55.4°F
(13.0°C)
-2.2°F
(-1.2°C)
1st Coolest
Coolest since:
1979
125th Warmest
Warmest since:
2018
Jul 1975–Jun 1979
48-Month
53.9°F
(12.2°C)
55.3°F
(12.9°C)
-1.4°F
(-0.7°C)
2nd Coolest
Coolest since:
1980
123rd Warmest
Warmest since:
2019
Jul 1974–Jun 1979
60-Month
54.1°F
(12.3°C)
55.4°F
(13.0°C)
-1.3°F
(-0.7°C)
3rd Coolest
Coolest since:
1980
121st Warmest
Warmest since:
2020
Ties: 1906

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