Statewide Rankings

Statewide 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

Average Temperature Rankings, September 1998

View Period (Months):
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  • Record Coolest
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  • 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 1998
1-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Aug–Sep 1998
2-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Jul–Sep 1998
3-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Jun–Sep 1998
4-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
May–Sep 1998
5-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Apr–Sep 1998
6-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Mar–Sep 1998
7-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Feb–Sep 1998
8-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Jan–Sep 1998
9-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Dec 1997–Sep 1998
10-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Nov 1997–Sep 1998
11-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Oct 1997–Sep 1998
12-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Apr 1997–Sep 1998
18-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Oct 1996–Sep 1998
24-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Oct 1995–Sep 1998
36-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Oct 1994–Sep 1998
48-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Oct 1993–Sep 1998
60-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--

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