Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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, December 2012

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 2012
1-Month
39.5°F
(4.2°C)
32.4°F
(0.2°C)
7.1°F
(4.0°C)
120th Coolest
Coolest since:
1989
9th Warmest
Warmest since:
2015
Ties: 1918
Nov–Dec 2012
2-Month
40.1°F
(4.5°C)
37.4°F
(3.0°C)
2.7°F
(1.5°C)
101st Coolest
Coolest since:
1976
28th Warmest
Warmest since:
2015
Ties: 1902
Oct–Dec 2012
3-Month
44.4°F
(6.9°C)
43.0°F
(6.1°C)
1.4°F
(0.8°C)
92nd Coolest
Coolest since:
1917
37th Warmest
Warmest since:
2015
Ties: 1970, 2017
Sep–Dec 2012
4-Month
49.5°F
(9.7°C)
48.7°F
(9.3°C)
0.8°F
(0.4°C)
75th Coolest
Coolest since:
1976
54th Warmest
Warmest since:
1931
Ties: 1936, 1940, 1954, 1975
Aug–Dec 2012
5-Month
54.0°F
(12.2°C)
53.4°F
(11.9°C)
0.6°F
(0.3°C)
73rd Coolest
Coolest since:
1976
56th Warmest
Warmest since:
1931
Ties: 1934, 1949, 1961, 2017, 2022
Jul–Dec 2012
6-Month
58.1°F
(14.5°C)
56.8°F
(13.8°C)
1.3°F
(0.7°C)
108th Coolest
Coolest since:
1976
21st Warmest
Warmest since:
1931
Ties: 1934
Jun–Dec 2012
7-Month
59.9°F
(15.5°C)
58.7°F
(14.8°C)
1.2°F
(0.7°C)
102nd Coolest
Coolest since:
1976
27th Warmest
Warmest since:
1931
Ties: 1939, 1949, 1991
May–Dec 2012
8-Month
60.8°F
(16.0°C)
59.0°F
(15.0°C)
1.8°F
(1.0°C)
113th Coolest
Coolest since:
1917
16th Warmest
Warmest since:
1931
Apr–Dec 2012
9-Month
60.0°F
(15.6°C)
58.2°F
(14.6°C)
1.8°F
(1.0°C)
114th Coolest
Coolest since:
1917
15th Warmest
Warmest since:
2015
Ties: 1934
Mar–Dec 2012
10-Month
59.4°F
(15.2°C)
56.5°F
(13.6°C)
2.9°F
(1.6°C)
127th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2016
Ties: 1921
Feb–Dec 2012
11-Month
57.4°F
(14.1°C)
54.3°F
(12.4°C)
3.1°F
(1.7°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
2012
Jan–Dec 2012
12-Month
55.5°F
(13.1°C)
52.2°F
(11.2°C)
3.3°F
(1.9°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
2012
Jul 2011–Dec 2012
18-Month
56.7°F
(13.7°C)
53.7°F
(12.1°C)
3.0°F
(1.6°C)
127th Coolest
Coolest since:
1904, 1917
1st Warmest
Warmest to Date
2012, 2016
Ties: 2016
Jan 2011–Dec 2012
24-Month
54.7°F
(12.6°C)
52.2°F
(11.2°C)
2.5°F
(1.4°C)
126th Coolest
Coolest since:
1979
2nd Warmest
Warmest to Date
2017
Jan 2010–Dec 2012
36-Month
54.2°F
(12.3°C)
52.2°F
(11.2°C)
2.0°F
(1.1°C)
124th Coolest
Coolest since:
1980
3rd Warmest
Warmest to Date
2018
Jan 2009–Dec 2012
48-Month
53.7°F
(12.1°C)
52.2°F
(11.2°C)
1.5°F
(0.9°C)
119th Coolest
Coolest since:
1979
7th Warmest
Warmest since:
2019
Ties: 2007, 2013
Jan 2008–Dec 2012
60-Month
53.4°F
(11.9°C)
52.2°F
(11.2°C)
1.2°F
(0.7°C)
117th Coolest
Coolest since:
1980
8th Warmest
Warmest since:
2020
Ties: 2001, 2007, 2008, 2013, 2016

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