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 1897

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 1897
1-Month
69.3°F
(20.7°C)
63.7°F
(17.6°C)
5.6°F
(3.1°C)
128th Coolest
Coolest since:
1918
1st Warmest
Warmest to Date
1897
Aug–Sep 1897
2-Month
69.2°F
(20.7°C)
67.5°F
(19.7°C)
1.7°F
(1.0°C)
102nd Coolest
Coolest since:
1902
27th Warmest
Warmest since:
1947
Ties: 1922, 1941
Jul–Sep 1897
3-Month
71.3°F
(21.8°C)
69.3°F
(20.7°C)
2.0°F
(1.1°C)
109th Coolest
Coolest since:
1924
20th Warmest
Warmest to Date
1936
Ties: 1901, 1959
Jun–Sep 1897
4-Month
70.4°F
(21.3°C)
69.2°F
(20.7°C)
1.2°F
(0.6°C)
95th Coolest
Coolest since:
1915
34th Warmest
Warmest since:
2005
Ties: 1898, 1941, 2011
May–Sep 1897
5-Month
67.6°F
(19.8°C)
67.1°F
(19.5°C)
0.5°F
(0.3°C)
74th Coolest
Coolest since:
1924
55th Warmest
Warmest since:
1921, 1988
Ties: 1913, 1986
Apr–Sep 1897
6-Month
64.1°F
(17.8°C)
63.9°F
(17.7°C)
0.2°F
(0.1°C)
57th Coolest
Coolest since:
1907
72nd Warmest
Warmest since:
1921
Ties: 1960, 1968, 1994, 2008, 2013
Mar–Sep 1897
7-Month
59.8°F
(15.4°C)
59.9°F
(15.5°C)
-0.1°F
(-0.1°C)
54th Coolest
Coolest since:
1924
75th Warmest
Warmest since:
2012
Ties: 2008
Feb–Sep 1897
8-Month
55.8°F
(13.2°C)
55.5°F
(13.1°C)
0.3°F
(0.1°C)
72nd Coolest
Coolest since:
1904, 1917
57th Warmest
Warmest since:
2012
Ties: 1908, 1910, 1949, 1957
Jan–Sep 1897
9-Month
51.8°F
(11.0°C)
51.7°F
(10.9°C)
0.1°F
(0.1°C)
66th Coolest
Coolest since:
1904, 1912
63rd Warmest
Warmest since:
2012
Ties: 1961, 1992
Dec 1896–Sep 1897
10-Month
49.7°F
(9.8°C)
49.1°F
(9.5°C)
0.6°F
(0.3°C)
75th Coolest
Coolest since:
1904
53rd Warmest
Warmest since:
2012
Ties: 1968, 1985
Nov 1896–Sep 1897
11-Month
48.4°F
(9.1°C)
48.1°F
(8.9°C)
0.3°F
(0.2°C)
73rd Coolest
Coolest since:
1904
55th Warmest
Warmest since:
2012
Ties: 1930, 1968, 1986, 2019
Oct 1896–Sep 1897
12-Month
48.4°F
(9.1°C)
48.5°F
(9.2°C)
-0.1°F
(-0.1°C)
51st Coolest
Coolest since:
1904
77th Warmest
Warmest since:
2012
Ties: 1903, 1948, 1961, 1966
Apr 1896–Sep 1897
18-Month
54.2°F
(12.3°C)
53.6°F
(12.0°C)
0.6°F
(0.3°C)
81st Coolest
Coolest since:
1904
47th Warmest
Warmest since:
2012
Ties: 1949, 1956, 1986, 2019
Oct 1895–Sep 1897
24-Month
48.5°F
(9.2°C)
48.5°F
(9.2°C)
0.0°F
(0.0°C)
58th Coolest
Coolest since:
1918
69th Warmest
Warmest to Date
2017
Ties: 1920, 1938, 1950, 1957, 1964, 1977

Citing This Page