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 3. West

Average Temperature Rankings, February 1998

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
February 1998
1-Month
39.3°F
(4.1°C)
28.1°F
(-2.2°C)
11.2°F
(6.3°C)
127th Coolest
Coolest since:
1936
2nd Warmest
Warmest to Date
2017
Jan–Feb 1998
2-Month
34.4°F
(1.3°C)
26.0°F
(-3.3°C)
8.4°F
(4.6°C)
126th Coolest
Coolest since:
1979
3rd Warmest
Warmest since:
2017
Dec 1997–Feb 1998
3-Month
33.2°F
(0.7°C)
26.8°F
(-2.9°C)
6.4°F
(3.6°C)
125th Coolest
Coolest since:
1936
3rd Warmest
Warmest since:
1932
Nov 1997–Feb 1998
4-Month
34.4°F
(1.3°C)
30.1°F
(-1.1°C)
4.3°F
(2.4°C)
117th Coolest
Coolest since:
1936
11th Warmest
Warmest since:
1932
Oct 1997–Feb 1998
5-Month
38.5°F
(3.6°C)
35.0°F
(1.7°C)
3.5°F
(1.9°C)
117th Coolest
Coolest since:
1977
11th Warmest
Warmest since:
1932
Ties: 1976
Sep 1997–Feb 1998
6-Month
43.2°F
(6.2°C)
40.2°F
(4.6°C)
3.0°F
(1.6°C)
116th Coolest
Coolest since:
1977
12th Warmest
Warmest since:
1932
Ties: 1939, 2005
Aug 1997–Feb 1998
7-Month
47.2°F
(8.4°C)
44.9°F
(7.2°C)
2.3°F
(1.2°C)
113th Coolest
Coolest since:
1977
15th Warmest
Warmest since:
1932
Ties: 1919
Jul 1997–Feb 1998
8-Month
50.7°F
(10.4°C)
48.8°F
(9.3°C)
1.9°F
(1.1°C)
111th Coolest
Coolest since:
1977
17th Warmest
Warmest since:
1932
Jun 1997–Feb 1998
9-Month
53.0°F
(11.7°C)
51.4°F
(10.8°C)
1.6°F
(0.9°C)
107th Coolest
Coolest since:
1977
21st Warmest
Warmest since:
1932
Ties: 1919, 1950
May 1997–Feb 1998
10-Month
53.4°F
(11.9°C)
52.5°F
(11.4°C)
0.9°F
(0.5°C)
90th Coolest
Coolest since:
1918
38th Warmest
Warmest since:
1932
Ties: 1901, 1964, 2005
Apr 1997–Feb 1998
11-Month
52.9°F
(11.6°C)
52.4°F
(11.3°C)
0.5°F
(0.3°C)
77th Coolest
Coolest since:
1918
51st Warmest
Warmest since:
1932
Ties: 1907, 1933, 1941
Mar 1997–Feb 1998
12-Month
52.0°F
(11.1°C)
51.3°F
(10.7°C)
0.7°F
(0.4°C)
86th Coolest
Coolest since:
1918
42nd Warmest
Warmest since:
2017
Ties: 1956, 2020
Sep 1996–Feb 1998
18-Month
47.5°F
(8.6°C)
47.6°F
(8.7°C)
-0.1°F
(-0.1°C)
54th Coolest
Coolest since:
1905
73rd Warmest
Warmest since:
2017
Ties: 1960, 1964, 1967, 2004
Mar 1996–Feb 1998
24-Month
50.6°F
(10.3°C)
51.3°F
(10.7°C)
-0.7°F
(-0.4°C)
30th Coolest
Coolest since:
1905
97th Warmest
Warmest since:
2017
Ties: 1908, 1926, 1929, 1985
Mar 1995–Feb 1998
36-Month
50.6°F
(10.3°C)
51.2°F
(10.7°C)
-0.6°F
(-0.4°C)
24th Coolest
Coolest since:
1979
102nd Warmest
Warmest since:
2018
Ties: 1912, 1952, 1961, 1972, 2015
Mar 1994–Feb 1998
48-Month
51.0°F
(10.6°C)
51.2°F
(10.7°C)
-0.2°F
(-0.1°C)
41st Coolest
Coolest since:
1905, 1980
84th Warmest
Warmest since:
1934, 1935, 2019
Ties: 1899, 1911, 1912, 1953, 1986
Mar 1993–Feb 1998
60-Month
50.6°F
(10.3°C)
51.2°F
(10.7°C)
-0.6°F
(-0.4°C)
18th Coolest
Coolest since:
1905
106th Warmest
Warmest since:
1935
Ties: 1903, 1918, 1919, 1973, 1983

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