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 1940

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 1940
1-Month
62.6°F
(17.0°C)
63.7°F
(17.6°C)
-1.1°F
(-0.6°C)
38th Coolest
Coolest since:
1918
91st Warmest
Warmest since:
1897
Ties: 1984
Aug–Sep 1940
2-Month
67.1°F
(19.5°C)
67.4°F
(19.7°C)
-0.3°F
(-0.2°C)
51st Coolest
Coolest since:
1902
78th Warmest
Warmest since:
1947
Ties: 1956
Jul–Sep 1940
3-Month
69.4°F
(20.8°C)
69.3°F
(20.7°C)
0.1°F
(0.1°C)
57th Coolest
Coolest since:
1924
72nd Warmest
Warmest since:
1936
Ties: 1932, 1977
Jun–Sep 1940
4-Month
69.4°F
(20.8°C)
69.2°F
(20.7°C)
0.2°F
(0.1°C)
60th Coolest
Coolest since:
1915
69th Warmest
Warmest since:
2005
Ties: 1908, 1916, 1938, 1961, 2006
May–Sep 1940
5-Month
66.5°F
(19.2°C)
67.1°F
(19.5°C)
-0.6°F
(-0.3°C)
33rd Coolest
Coolest since:
1924
96th Warmest
Warmest since:
1921, 1988
Ties: 1972, 2004
Apr–Sep 1940
6-Month
63.0°F
(17.2°C)
63.9°F
(17.7°C)
-0.9°F
(-0.5°C)
29th Coolest
Coolest since:
1907
100th Warmest
Warmest since:
1921
Ties: 1958, 1989
Mar–Sep 1940
7-Month
58.4°F
(14.7°C)
59.9°F
(15.5°C)
-1.5°F
(-0.8°C)
16th Coolest
Coolest since:
1924
113th Warmest
Warmest since:
2012
Feb–Sep 1940
8-Month
54.4°F
(12.4°C)
55.5°F
(13.1°C)
-1.1°F
(-0.7°C)
26th Coolest
Coolest since:
1904, 1917
103rd Warmest
Warmest since:
2012
Ties: 1928
Jan–Sep 1940
9-Month
49.7°F
(9.8°C)
51.7°F
(10.9°C)
-2.0°F
(-1.1°C)
8th Coolest
Coolest since:
1904, 1912
121st Warmest
Warmest since:
2012
Dec 1939–Sep 1940
10-Month
48.0°F
(8.9°C)
49.1°F
(9.5°C)
-1.1°F
(-0.6°C)
23rd Coolest
Coolest since:
1904
105th Warmest
Warmest since:
2012
Ties: 1899, 1936, 1943, 1950, 1965, 2009
Nov 1939–Sep 1940
11-Month
47.1°F
(8.4°C)
48.2°F
(9.0°C)
-1.1°F
(-0.6°C)
24th Coolest
Coolest since:
1904
104th Warmest
Warmest since:
2012
Ties: 1943, 1950, 1960, 2009
Oct 1939–Sep 1940
12-Month
47.6°F
(8.7°C)
48.5°F
(9.2°C)
-0.9°F
(-0.5°C)
30th Coolest
Coolest since:
1904
98th Warmest
Warmest since:
2012
Ties: 1927, 1965, 1970
Apr 1939–Sep 1940
18-Month
53.4°F
(11.9°C)
53.6°F
(12.0°C)
-0.2°F
(-0.1°C)
47th Coolest
Coolest since:
1904
81st Warmest
Warmest since:
2012
Ties: 1948, 1959, 1965, 1969
Oct 1938–Sep 1940
24-Month
48.9°F
(9.4°C)
48.5°F
(9.2°C)
0.4°F
(0.2°C)
80th Coolest
Coolest since:
1918
47th Warmest
Warmest since:
2017
Ties: 1898, 1923, 1973, 2004
Oct 1937–Sep 1940
36-Month
48.9°F
(9.4°C)
48.4°F
(9.1°C)
0.5°F
(0.3°C)
82nd Coolest
Coolest since:
1979
44th Warmest
Warmest since:
2000
Ties: 1942, 1943, 2009
Oct 1936–Sep 1940
48-Month
48.7°F
(9.3°C)
48.4°F
(9.1°C)
0.3°F
(0.2°C)
74th Coolest
Coolest since:
1905, 1918
51st Warmest
Warmest since:
2001, 2002, 2019
Ties: 1936, 1939, 1949, 1954, 1958, 1974, 1975, 1983
Oct 1935–Sep 1940
60-Month
48.5°F
(9.2°C)
48.5°F
(9.2°C)
0.0°F
(0.0°C)
53rd Coolest
Coolest since:
1905, 1906
71st Warmest
Warmest since:
2002
Ties: 1900, 1901, 1938, 1948, 1949, 1950, 1974, 1984

Citing This Page