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, March 1999

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
March 1999
1-Month
38.1°F
(3.4°C)
39.1°F
(3.9°C)
-1.0°F
(-0.5°C)
53rd Coolest
Coolest since:
1960
76th Warmest
Warmest since:
2012
Feb–Mar 1999
2-Month
37.6°F
(3.1°C)
33.7°F
(0.9°C)
3.9°F
(2.2°C)
110th Coolest
Coolest since:
1899
19th Warmest
Warmest since:
2012
Jan–Mar 1999
3-Month
32.5°F
(0.3°C)
30.3°F
(-0.9°C)
2.2°F
(1.2°C)
94th Coolest
Coolest since:
1912
35th Warmest
Warmest since:
2012
Dec 1998–Mar 1999
4-Month
32.9°F
(0.5°C)
29.9°F
(-1.2°C)
3.0°F
(1.7°C)
106th Coolest
Coolest since:
1978
22nd Warmest
Warmest since:
2012
Nov 1998–Mar 1999
5-Month
35.3°F
(1.8°C)
31.9°F
(-0.1°C)
3.4°F
(1.9°C)
116th Coolest
Coolest since:
1912
12th Warmest
Warmest since:
2012
Ties: 1998
Oct 1998–Mar 1999
6-Month
38.7°F
(3.7°C)
35.7°F
(2.1°C)
3.0°F
(1.6°C)
116th Coolest
Coolest since:
1912, 1978
12th Warmest
Warmest since:
2012
Ties: 1939
Sep 1998–Mar 1999
7-Month
43.3°F
(6.3°C)
40.1°F
(4.5°C)
3.2°F
(1.8°C)
120th Coolest
Coolest since:
1978
8th Warmest
Warmest since:
2017
Aug 1998–Mar 1999
8-Month
47.2°F
(8.4°C)
44.2°F
(6.8°C)
3.0°F
(1.6°C)
120th Coolest
Coolest since:
1978
8th Warmest
Warmest since:
2017
Ties: 1939
Jul 1998–Mar 1999
9-Month
50.4°F
(10.2°C)
47.8°F
(8.8°C)
2.6°F
(1.4°C)
119th Coolest
Coolest since:
1978
9th Warmest
Warmest since:
2012
Ties: 1954, 2006
Jun 1998–Mar 1999
10-Month
52.5°F
(11.4°C)
50.2°F
(10.1°C)
2.3°F
(1.3°C)
117th Coolest
Coolest since:
1904
11th Warmest
Warmest since:
1932, 2012, 2017
Ties: 1939
May 1998–Mar 1999
11-Month
53.8°F
(12.1°C)
51.2°F
(10.7°C)
2.6°F
(1.4°C)
121st Coolest
Coolest since:
1918, 1977
7th Warmest
Warmest since:
2012, 2017
Ties: 1954
Apr 1998–Mar 1999
12-Month
53.7°F
(12.1°C)
51.3°F
(10.7°C)
2.4°F
(1.4°C)
117th Coolest
Coolest since:
1918
11th Warmest
Warmest since:
2017
Oct 1997–Mar 1999
18-Month
48.6°F
(9.2°C)
46.0°F
(7.8°C)
2.6°F
(1.4°C)
120th Coolest
Coolest since:
1979
7th Warmest
Warmest since:
2017
Apr 1997–Mar 1999
24-Month
52.7°F
(11.5°C)
51.3°F
(10.7°C)
1.4°F
(0.8°C)
110th Coolest
Coolest since:
1905
17th Warmest
Warmest since:
2017
Apr 1996–Mar 1999
36-Month
51.8°F
(11.0°C)
51.3°F
(10.7°C)
0.5°F
(0.3°C)
85th Coolest
Coolest since:
1979
41st Warmest
Warmest since:
2018
Ties: 1916, 1937, 2009, 2021
Apr 1995–Mar 1999
48-Month
51.3°F
(10.7°C)
51.2°F
(10.7°C)
0.1°F
(0.0°C)
58th Coolest
Coolest since:
1980
67th Warmest
Warmest since:
1935
Ties: 1910, 1931, 1946, 1947, 1959, 1995, 2010, 2015
Apr 1994–Mar 1999
60-Month
51.5°F
(10.8°C)
51.2°F
(10.7°C)
0.3°F
(0.1°C)
74th Coolest
Coolest since:
1906
50th Warmest
Warmest since:
1935
Ties: 1917, 1940, 1949, 1955, 1959, 1976, 1987, 2011

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