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 1918

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1918
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 to Date
2015
Ties: 2012
Nov–Dec 1918
2-Month
40.7°F
(4.8°C)
37.3°F
(2.9°C)
3.4°F
(1.9°C)
110th Coolest
Coolest since:
1976
19th Warmest
Warmest to Date
2015
Ties: 1965
Oct–Dec 1918
3-Month
46.2°F
(7.9°C)
42.9°F
(6.1°C)
3.3°F
(1.8°C)
113th Coolest
Coolest since:
1917
16th Warmest
Warmest to Date
2015
Sep–Dec 1918
4-Month
49.4°F
(9.7°C)
48.7°F
(9.3°C)
0.7°F
(0.4°C)
71st Coolest
Coolest since:
1976
58th Warmest
Warmest since:
1931
Ties: 1899, 1934, 1940
Aug–Dec 1918
5-Month
54.8°F
(12.7°C)
53.3°F
(11.8°C)
1.5°F
(0.9°C)
104th Coolest
Coolest since:
1976
25th Warmest
Warmest since:
1931
Ties: 1913, 1994
Jul–Dec 1918
6-Month
57.5°F
(14.2°C)
56.8°F
(13.8°C)
0.7°F
(0.4°C)
79th Coolest
Coolest since:
1976
50th Warmest
Warmest since:
1931
Ties: 1923, 1975, 1978, 2022
Jun–Dec 1918
7-Month
59.2°F
(15.1°C)
58.6°F
(14.8°C)
0.6°F
(0.3°C)
72nd Coolest
Coolest since:
1976
57th Warmest
Warmest since:
1931
Ties: 1902, 1982, 2017
May–Dec 1918
8-Month
60.1°F
(15.6°C)
59.0°F
(15.0°C)
1.1°F
(0.6°C)
95th Coolest
Coolest since:
1917
34th Warmest
Warmest since:
1931
Ties: 2005
Apr–Dec 1918
9-Month
58.9°F
(14.9°C)
58.2°F
(14.6°C)
0.7°F
(0.3°C)
80th Coolest
Coolest since:
1917
49th Warmest
Warmest since:
2015
Ties: 1946, 1955, 1973
Mar–Dec 1918
10-Month
57.6°F
(14.2°C)
56.5°F
(13.6°C)
1.1°F
(0.6°C)
96th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
2016
Ties: 1913, 1986
Feb–Dec 1918
11-Month
55.4°F
(13.0°C)
54.2°F
(12.3°C)
1.2°F
(0.7°C)
98th Coolest
Coolest since:
1917
31st Warmest
Warmest since:
2012
Ties: 1933, 1939, 1941, 1986, 2005
Jan–Dec 1918
12-Month
52.1°F
(11.2°C)
52.2°F
(11.2°C)
-0.1°F
(0.0°C)
54th Coolest
Coolest since:
1917
75th Warmest
Warmest since:
2012
Ties: 1935, 1984, 2008
Jul 1917–Dec 1918
18-Month
52.3°F
(11.3°C)
53.7°F
(12.1°C)
-1.4°F
(-0.8°C)
6th Coolest
Coolest since:
1904, 1917
122nd Warmest
Warmest since:
2012, 2016
Ties: 1958
Jan 1917–Dec 1918
24-Month
50.6°F
(10.3°C)
52.2°F
(11.2°C)
-1.6°F
(-0.9°C)
3rd Coolest
Coolest since:
1979
125th Warmest
Warmest since:
2017
Jan 1916–Dec 1918
36-Month
51.1°F
(10.6°C)
52.2°F
(11.2°C)
-1.1°F
(-0.6°C)
10th Coolest
Coolest since:
1980
117th Warmest
Warmest since:
2018
Jan 1915–Dec 1918
48-Month
51.2°F
(10.7°C)
52.1°F
(11.2°C)
-0.9°F
(-0.5°C)
6th Coolest
Coolest since:
1979
120th Warmest
Warmest since:
2019
Ties: 1904, 1905, 1917, 1982
Jan 1914–Dec 1918
60-Month
51.4°F
(10.8°C)
52.2°F
(11.2°C)
-0.8°F
(-0.4°C)
12th Coolest
Coolest since:
1980
113th Warmest
Warmest since:
2020
Ties: 1966, 1967, 1978, 1983

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