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, December 1920

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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1920
1-Month
33.8°F
(1.0°C)
32.4°F
(0.2°C)
1.4°F
(0.8°C)
73rd Coolest
Coolest since:
1989
55th Warmest
Warmest since:
2015
Ties: 1907, 1964, 1978
Nov–Dec 1920
2-Month
37.0°F
(2.8°C)
37.3°F
(2.9°C)
-0.3°F
(-0.1°C)
46th Coolest
Coolest since:
1976
82nd Warmest
Warmest since:
2015
Ties: 1905, 1936, 1997, 2002, 2014
Oct–Dec 1920
3-Month
43.9°F
(6.6°C)
43.0°F
(6.1°C)
0.9°F
(0.5°C)
79th Coolest
Coolest since:
1917
49th Warmest
Warmest since:
2015
Sep–Dec 1920
4-Month
49.6°F
(9.8°C)
48.6°F
(9.2°C)
1.0°F
(0.6°C)
81st Coolest
Coolest since:
1976
47th Warmest
Warmest since:
1931
Ties: 1906, 1912, 1948, 1961, 1985, 2006
Aug–Dec 1920
5-Month
53.8°F
(12.1°C)
53.4°F
(11.9°C)
0.4°F
(0.2°C)
67th Coolest
Coolest since:
1976
61st Warmest
Warmest since:
1931
Ties: 1928, 1985
Jul–Dec 1920
6-Month
56.7°F
(13.7°C)
56.8°F
(13.8°C)
-0.1°F
(-0.1°C)
48th Coolest
Coolest since:
1976
80th Warmest
Warmest since:
1931
Ties: 1896, 1926, 1942, 1952, 1957, 1988, 1993
Jun–Dec 1920
7-Month
58.5°F
(14.7°C)
58.7°F
(14.8°C)
-0.2°F
(-0.1°C)
42nd Coolest
Coolest since:
1976
86th Warmest
Warmest since:
1931
Ties: 1896, 1912, 1955, 1968, 1977, 1985, 1993, 2013
May–Dec 1920
8-Month
58.6°F
(14.8°C)
59.0°F
(15.0°C)
-0.4°F
(-0.2°C)
35th Coolest
Coolest since:
1917
93rd Warmest
Warmest since:
1931
Ties: 1926, 1928, 1995
Apr–Dec 1920
9-Month
57.4°F
(14.1°C)
58.2°F
(14.6°C)
-0.8°F
(-0.5°C)
29th Coolest
Coolest since:
1917
99th Warmest
Warmest since:
2015
Mar–Dec 1920
10-Month
55.9°F
(13.3°C)
56.5°F
(13.6°C)
-0.6°F
(-0.3°C)
32nd Coolest
Coolest since:
1917
96th Warmest
Warmest since:
2016
Ties: 1910, 1974
Feb–Dec 1920
11-Month
53.5°F
(11.9°C)
54.3°F
(12.4°C)
-0.8°F
(-0.5°C)
27th Coolest
Coolest since:
1917
101st Warmest
Warmest since:
2012
Ties: 1914, 1928, 1929, 1951, 1962, 1968, 2014
Jan–Dec 1920
12-Month
51.1°F
(10.6°C)
52.2°F
(11.2°C)
-1.1°F
(-0.6°C)
17th Coolest
Coolest since:
1917
111th Warmest
Warmest since:
2012
Ties: 1967, 1968
Jul 1919–Dec 1920
18-Month
53.2°F
(11.8°C)
53.8°F
(12.1°C)
-0.6°F
(-0.3°C)
30th Coolest
Coolest since:
1904, 1917
97th Warmest
Warmest since:
2012, 2016
Ties: 1929, 1962, 1981, 1993
Jan 1919–Dec 1920
24-Month
52.1°F
(11.2°C)
52.2°F
(11.2°C)
-0.1°F
(0.0°C)
47th Coolest
Coolest since:
1979
80th Warmest
Warmest since:
2017
Ties: 1908, 1912, 1930, 1937, 1940, 1943, 1948, 1971, 1983, 1994, 2015
Jan 1918–Dec 1920
36-Month
52.1°F
(11.2°C)
52.2°F
(11.2°C)
-0.1°F
(0.0°C)
44th Coolest
Coolest since:
1980
82nd Warmest
Warmest since:
2018
Ties: 1902, 1909, 1910, 1927, 1937, 1952, 1984, 1985, 1994, 1995, 2015
Jan 1917–Dec 1920
48-Month
51.4°F
(10.8°C)
52.2°F
(11.2°C)
-0.8°F
(-0.4°C)
16th Coolest
Coolest since:
1979
109th Warmest
Warmest since:
2019
Ties: 1906, 1964, 1966
Jan 1916–Dec 1920
60-Month
51.5°F
(10.8°C)
52.2°F
(11.2°C)
-0.7°F
(-0.4°C)
17th Coolest
Coolest since:
1980
107th Warmest
Warmest since:
2020
Ties: 1906, 1968, 1971, 1972

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