Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Ohio River Basin

Average Temperature Rankings, April 2012

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 2012
1-Month
53.2°F
(11.8°C)
51.5°F
(10.8°C)
1.7°F
(1.0°C)
86th Coolest
Coolest since:
1907
43rd Warmest
Warmest since:
1896
Ties: 1963, 1969, 1974, 2016
Mar–Apr 2012
2-Month
53.8°F
(12.1°C)
46.3°F
(7.9°C)
7.5°F
(4.2°C)
128th Coolest
Coolest since:
1926
1st Warmest
Warmest to Date
2012
Feb–Apr 2012
3-Month
48.4°F
(9.1°C)
41.5°F
(5.3°C)
6.9°F
(3.8°C)
128th Coolest
Coolest since:
1978
1st Warmest
Warmest to Date
2012
Jan–Apr 2012
4-Month
44.9°F
(7.2°C)
38.5°F
(3.6°C)
6.4°F
(3.6°C)
127th Coolest
Coolest since:
1978
2nd Warmest
Warmest to Date
2017
Dec 2011–Apr 2012
5-Month
43.5°F
(6.4°C)
37.2°F
(2.9°C)
6.3°F
(3.5°C)
127th Coolest
Coolest since:
1978
1st Warmest
Warmest to Date
2012
Nov 2011–Apr 2012
6-Month
44.2°F
(6.8°C)
38.1°F
(3.4°C)
6.1°F
(3.4°C)
127th Coolest
Coolest since:
1904
1st Warmest
Warmest to Date
2012
Oct 2011–Apr 2012
7-Month
45.6°F
(7.6°C)
40.4°F
(4.7°C)
5.2°F
(2.9°C)
126th Coolest
Coolest since:
1978
2nd Warmest
Warmest to Date
2017
Sep 2011–Apr 2012
8-Month
48.0°F
(8.9°C)
43.6°F
(6.4°C)
4.4°F
(2.5°C)
126th Coolest
Coolest since:
1918, 1977
2nd Warmest
Warmest since:
2017
Ties: 1932
Aug 2011–Apr 2012
9-Month
50.8°F
(10.4°C)
46.8°F
(8.2°C)
4.0°F
(2.2°C)
126th Coolest
Coolest since:
1977
2nd Warmest
Warmest to Date
2017
Jul 2011–Apr 2012
10-Month
53.5°F
(11.9°C)
49.5°F
(9.7°C)
4.0°F
(2.2°C)
126th Coolest
Coolest since:
1977
2nd Warmest
Warmest to Date
2017
Jun 2011–Apr 2012
11-Month
55.1°F
(12.8°C)
51.3°F
(10.7°C)
3.8°F
(2.1°C)
126th Coolest
Coolest since:
1977
2nd Warmest
Warmest to Date
2017
May 2011–Apr 2012
12-Month
55.7°F
(13.2°C)
52.2°F
(11.2°C)
3.5°F
(2.0°C)
126th Coolest
Coolest since:
1918
2nd Warmest
Warmest to Date
2017
Nov 2010–Apr 2012
18-Month
49.8°F
(9.9°C)
47.5°F
(8.6°C)
2.3°F
(1.3°C)
121st Coolest
Coolest since:
1905, 1918
6th Warmest
Warmest since:
2017
Ties: 2000
May 2010–Apr 2012
24-Month
54.5°F
(12.5°C)
52.2°F
(11.2°C)
2.3°F
(1.3°C)
125th Coolest
Coolest since:
1978
2nd Warmest
Warmest to Date
2017
Ties: 2013, 2020
May 2009–Apr 2012
36-Month
53.7°F
(12.1°C)
52.2°F
(11.2°C)
1.5°F
(0.9°C)
117th Coolest
Coolest since:
1979
9th Warmest
Warmest since:
2018
Ties: 2008
May 2008–Apr 2012
48-Month
53.3°F
(11.8°C)
52.2°F
(11.2°C)
1.1°F
(0.6°C)
112th Coolest
Coolest since:
1980
13th Warmest
Warmest since:
2019
Ties: 1922, 1934, 1955, 2001, 2003, 2007, 2009
May 2007–Apr 2012
60-Month
53.5°F
(11.9°C)
52.2°F
(11.2°C)
1.3°F
(0.7°C)
119th Coolest
Coolest since:
1981
5th Warmest
Warmest since:
2020
Ties: 1935, 2002, 2003, 2006, 2008

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