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 1977

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
June 1977
1-Month
74.4°F
(23.6°C)
73.9°F
(23.3°C)
0.5°F
(0.3°C)
70th Coolest
Coolest since:
1903
59th Warmest
Warmest since:
1952
Ties: 1939, 1957, 1973, 1999
May–Jun 1977
2-Month
72.2°F
(22.3°C)
69.5°F
(20.8°C)
2.7°F
(1.5°C)
113th Coolest
Coolest since:
1907
16th Warmest
Warmest since:
2018
Ties: 1936
Apr–Jun 1977
3-Month
68.2°F
(20.1°C)
64.8°F
(18.2°C)
3.4°F
(1.9°C)
124th Coolest
Coolest since:
1907
5th Warmest
Warmest since:
2010
Mar–Jun 1977
4-Month
63.7°F
(17.6°C)
59.7°F
(15.4°C)
4.0°F
(2.2°C)
126th Coolest
Coolest since:
1960
3rd Warmest
Warmest to Date
2012
Ties: 2010
Feb–Jun 1977
5-Month
57.7°F
(14.3°C)
54.7°F
(12.6°C)
3.0°F
(1.7°C)
119th Coolest
Coolest since:
1912, 1960, 1978
10th Warmest
Warmest since:
2012
Jan–Jun 1977
6-Month
50.7°F
(10.4°C)
50.8°F
(10.4°C)
-0.1°F
(0.0°C)
56th Coolest
Coolest since:
1912, 1978
73rd Warmest
Warmest since:
2012
Ties: 1962, 1989
Dec 1976–Jun 1977
7-Month
47.8°F
(8.8°C)
48.5°F
(9.2°C)
-0.7°F
(-0.4°C)
41st Coolest
Coolest since:
1978
87th Warmest
Warmest since:
2012
Nov 1976–Jun 1977
8-Month
46.4°F
(8.0°C)
48.0°F
(8.9°C)
-1.6°F
(-0.9°C)
17th Coolest
Coolest since:
1912
111th Warmest
Warmest since:
2012
Ties: 1961, 1982
Oct 1976–Jun 1977
9-Month
47.0°F
(8.3°C)
49.1°F
(9.5°C)
-2.1°F
(-1.2°C)
7th Coolest
Coolest since:
1912, 1978
121st Warmest
Warmest since:
2012
Ties: 1940
Sep 1976–Jun 1977
10-Month
48.9°F
(9.4°C)
51.1°F
(10.6°C)
-2.2°F
(-1.2°C)
7th Coolest
Coolest since:
1978
121st Warmest
Warmest since:
2012
Aug 1976–Jun 1977
11-Month
51.1°F
(10.6°C)
53.4°F
(11.9°C)
-2.3°F
(-1.3°C)
6th Coolest
Coolest since:
1904, 1978
122nd Warmest
Warmest since:
2012
Ties: 1979
Jul 1976–Jun 1977
12-Month
53.2°F
(11.8°C)
55.4°F
(13.0°C)
-2.2°F
(-1.2°C)
6th Coolest
Coolest since:
1904, 1912, 1918, 1978
122nd Warmest
Warmest since:
2012
Jan 1976–Jun 1977
18-Month
52.9°F
(11.6°C)
53.9°F
(12.2°C)
-1.0°F
(-0.6°C)
17th Coolest
Coolest since:
1979
111th Warmest
Warmest since:
2017
Ties: 1929, 1959, 1968
Jul 1975–Jun 1977
24-Month
54.7°F
(12.6°C)
55.4°F
(13.0°C)
-0.7°F
(-0.4°C)
26th Coolest
Coolest since:
1978, 1979
101st Warmest
Warmest since:
2017
Ties: 1917, 1960, 1963
Jul 1974–Jun 1977
36-Month
54.7°F
(12.6°C)
55.3°F
(12.9°C)
-0.6°F
(-0.3°C)
18th Coolest
Coolest since:
1979
108th Warmest
Warmest since:
2018
Ties: 1913, 1961, 1963, 1968, 1981
Jul 1973–Jun 1977
48-Month
55.2°F
(12.9°C)
55.4°F
(13.0°C)
-0.2°F
(-0.1°C)
40th Coolest
Coolest since:
1980
85th Warmest
Warmest since:
2019
Ties: 1901, 1903, 1909, 1914, 1921, 1926, 1928, 1951, 1952, 1965, 1966
Jul 1972–Jun 1977
60-Month
55.1°F
(12.8°C)
55.3°F
(12.9°C)
-0.2°F
(-0.1°C)
35th Coolest
Coolest since:
1980
89th Warmest
Warmest since:
2020
Ties: 1901, 1910, 1921, 1929, 1951, 1960, 1965, 1966, 1968, 1985, 1986

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