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, February 1998

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Warmest/Coolest
Since
Record
February 1998
1-Month
38.1°F
(3.4°C)
24.8°F
(-4.0°C)
13.3°F
(7.4°C)
129th Coolest
Coolest since:
1936
1st Warmest
Warmest to Date
1998
Jan–Feb 1998
2-Month
33.1°F
(0.6°C)
23.1°F
(-4.9°C)
10.0°F
(5.5°C)
129th Coolest
Coolest since:
1979
1st Warmest
Warmest to Date
1998
Dec 1997–Feb 1998
3-Month
32.1°F
(0.1°C)
24.0°F
(-4.4°C)
8.1°F
(4.5°C)
127th Coolest
Coolest since:
1904
2nd Warmest
Warmest since:
1932
Nov 1997–Feb 1998
4-Month
33.1°F
(0.6°C)
27.5°F
(-2.5°C)
5.6°F
(3.1°C)
123rd Coolest
Coolest since:
1977
6th Warmest
Warmest since:
2002
Oct 1997–Feb 1998
5-Month
37.0°F
(2.8°C)
32.5°F
(0.3°C)
4.5°F
(2.5°C)
122nd Coolest
Coolest since:
1977
7th Warmest
Warmest since:
1932
Ties: 1954, 1999
Sep 1997–Feb 1998
6-Month
41.5°F
(5.3°C)
37.7°F
(3.2°C)
3.8°F
(2.1°C)
121st Coolest
Coolest since:
1977
8th Warmest
Warmest since:
1932
Ties: 1921, 2006
Aug 1997–Feb 1998
7-Month
45.3°F
(7.4°C)
42.4°F
(5.8°C)
2.9°F
(1.6°C)
117th Coolest
Coolest since:
1977
12th Warmest
Warmest since:
1932
Jul 1997–Feb 1998
8-Month
48.8°F
(9.3°C)
46.3°F
(7.9°C)
2.5°F
(1.4°C)
117th Coolest
Coolest since:
1977
12th Warmest
Warmest since:
1932
Jun 1997–Feb 1998
9-Month
51.0°F
(10.6°C)
48.8°F
(9.3°C)
2.2°F
(1.3°C)
115th Coolest
Coolest since:
1904, 1918
14th Warmest
Warmest since:
1932
Ties: 1921
May 1997–Feb 1998
10-Month
51.3°F
(10.7°C)
49.8°F
(9.9°C)
1.5°F
(0.8°C)
103rd Coolest
Coolest since:
1918
26th Warmest
Warmest since:
1932
Ties: 1987, 2005
Apr 1997–Feb 1998
11-Month
50.7°F
(10.4°C)
49.6°F
(9.8°C)
1.1°F
(0.6°C)
95th Coolest
Coolest since:
1918
34th Warmest
Warmest since:
1932
Ties: 1919, 1934, 1976, 2007
Mar 1997–Feb 1998
12-Month
49.6°F
(9.8°C)
48.5°F
(9.2°C)
1.1°F
(0.6°C)
95th Coolest
Coolest since:
1918
34th Warmest
Warmest since:
2017
Ties: 1909, 1921, 1956, 1964, 1991, 2007, 2018
Sep 1996–Feb 1998
18-Month
45.3°F
(7.4°C)
44.9°F
(7.2°C)
0.4°F
(0.2°C)
77th Coolest
Coolest since:
1905
51st Warmest
Warmest since:
2017
Ties: 1949, 1953, 2004
Mar 1996–Feb 1998
24-Month
48.2°F
(9.0°C)
48.4°F
(9.1°C)
-0.2°F
(-0.1°C)
44th Coolest
Coolest since:
1905
84th Warmest
Warmest since:
2017
Ties: 1902, 1909, 1945, 1960, 1986
Mar 1995–Feb 1998
36-Month
48.4°F
(9.1°C)
48.4°F
(9.1°C)
0.0°F
(0.0°C)
50th Coolest
Coolest since:
1918
77th Warmest
Warmest since:
2013
Ties: 1899, 1900, 1901, 1916, 1936, 1937, 1965, 1986, 2015
Mar 1994–Feb 1998
48-Month
48.8°F
(9.3°C)
48.4°F
(9.1°C)
0.4°F
(0.2°C)
73rd Coolest
Coolest since:
1905, 1918
53rd Warmest
Warmest since:
2002
Ties: 1925, 1941
Mar 1993–Feb 1998
60-Month
48.4°F
(9.1°C)
48.4°F
(9.1°C)
0.0°F
(0.0°C)
48th Coolest
Coolest since:
1905, 1908
77th Warmest
Warmest since:
2002
Ties: 1915, 1948, 1951, 1955, 1974, 1985

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