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, September 1978

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 1978
1-Month
70.2°F
(21.2°C)
67.4°F
(19.7°C)
2.8°F
(1.5°C)
102nd Coolest
Coolest since:
1918
27th Warmest
Warmest since:
1925
Ties: 1955
Aug–Sep 1978
2-Month
71.8°F
(22.1°C)
70.8°F
(21.6°C)
1.0°F
(0.5°C)
88th Coolest
Coolest since:
1967
41st Warmest
Warmest since:
1936
Ties: 1991
Jul–Sep 1978
3-Month
73.3°F
(22.9°C)
72.7°F
(22.6°C)
0.6°F
(0.3°C)
79th Coolest
Coolest since:
1967
50th Warmest
Warmest since:
1936
Jun–Sep 1978
4-Month
73.1°F
(22.8°C)
72.5°F
(22.5°C)
0.6°F
(0.3°C)
81st Coolest
Coolest since:
1967
48th Warmest
Warmest since:
1936
Ties: 1960
May–Sep 1978
5-Month
70.7°F
(21.5°C)
70.7°F
(21.5°C)
0.0°F
(0.0°C)
62nd Coolest
Coolest since:
1924
67th Warmest
Warmest since:
1936
Ties: 1993, 2001
Apr–Sep 1978
6-Month
68.0°F
(20.0°C)
67.7°F
(19.8°C)
0.3°F
(0.2°C)
70th Coolest
Coolest since:
1907
59th Warmest
Warmest since:
2010
Ties: 1908, 1957, 1960, 1962
Mar–Sep 1978
7-Month
63.2°F
(17.3°C)
64.0°F
(17.8°C)
-0.8°F
(-0.5°C)
34th Coolest
Coolest since:
1924
95th Warmest
Warmest since:
2012
Ties: 1937, 1971
Feb–Sep 1978
8-Month
57.5°F
(14.2°C)
59.9°F
(15.5°C)
-2.4°F
(-1.3°C)
5th Coolest
Coolest since:
1904, 1924
124th Warmest
Warmest since:
2012
Ties: 1917
Jan–Sep 1978
9-Month
53.1°F
(11.7°C)
56.4°F
(13.6°C)
-3.3°F
(-1.9°C)
2nd Coolest
Coolest since:
1979
127th Warmest
Warmest since:
2012
Ties: 1904, 1912
Dec 1977–Sep 1978
10-Month
50.6°F
(10.3°C)
53.9°F
(12.2°C)
-3.3°F
(-1.9°C)
2nd Coolest
Coolest since:
1904
126th Warmest
Warmest since:
2012
Nov 1977–Sep 1978
11-Month
49.9°F
(9.9°C)
52.8°F
(11.6°C)
-2.9°F
(-1.7°C)
2nd Coolest
Coolest since:
1904
126th Warmest
Warmest since:
2012
Oct 1977–Sep 1978
12-Month
50.2°F
(10.1°C)
53.1°F
(11.7°C)
-2.9°F
(-1.6°C)
2nd Coolest
Coolest since:
1904
126th Warmest
Warmest since:
2012
Apr 1977–Sep 1978
18-Month
56.8°F
(13.8°C)
58.0°F
(14.4°C)
-1.2°F
(-0.6°C)
15th Coolest
Coolest since:
1918
113th Warmest
Warmest since:
2012
Ties: 1917, 1929
Oct 1976–Sep 1978
24-Month
50.8°F
(10.4°C)
53.0°F
(11.7°C)
-2.2°F
(-1.3°C)
3rd Coolest
Coolest since:
1979
124th Warmest
Warmest since:
2017
Oct 1975–Sep 1978
36-Month
51.9°F
(11.1°C)
53.1°F
(11.7°C)
-1.2°F
(-0.6°C)
7th Coolest
Coolest since:
1979
119th Warmest
Warmest since:
2018
Oct 1974–Sep 1978
48-Month
52.1°F
(11.2°C)
53.0°F
(11.7°C)
-0.9°F
(-0.5°C)
12th Coolest
Coolest since:
1980
113th Warmest
Warmest since:
2019
Ties: 1963, 1971
Oct 1973–Sep 1978
60-Month
52.4°F
(11.3°C)
53.0°F
(11.7°C)
-0.6°F
(-0.4°C)
16th Coolest
Coolest since:
1982
108th Warmest
Warmest since:
2020
Ties: 1903, 1928, 1963, 1964, 1969, 1983

Citing This Page