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 1945

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1945
1-Month
26.4°F
(-3.1°C)
32.4°F
(0.2°C)
-6.0°F
(-3.3°C)
13th Coolest
Coolest since:
1989
116th Warmest
Warmest since:
2015
Nov–Dec 1945
2-Month
34.9°F
(1.6°C)
37.4°F
(3.0°C)
-2.5°F
(-1.4°C)
24th Coolest
Coolest since:
1976
105th Warmest
Warmest since:
2015
Ties: 1919, 1926, 1958
Oct–Dec 1945
3-Month
40.8°F
(4.9°C)
43.0°F
(6.1°C)
-2.2°F
(-1.2°C)
14th Coolest
Coolest since:
1917
115th Warmest
Warmest since:
2015
Sep–Dec 1945
4-Month
47.6°F
(8.7°C)
48.7°F
(9.3°C)
-1.1°F
(-0.6°C)
28th Coolest
Coolest since:
1976
101st Warmest
Warmest since:
1931
Ties: 1904, 1929, 1993
Aug–Dec 1945
5-Month
52.4°F
(11.3°C)
53.4°F
(11.9°C)
-1.0°F
(-0.6°C)
27th Coolest
Coolest since:
1976
102nd Warmest
Warmest since:
1931
Ties: 1944, 1992
Jul–Dec 1945
6-Month
55.8°F
(13.2°C)
56.8°F
(13.8°C)
-1.0°F
(-0.6°C)
24th Coolest
Coolest since:
1976
105th Warmest
Warmest since:
1931
Ties: 1966, 1992
Jun–Dec 1945
7-Month
57.6°F
(14.2°C)
58.7°F
(14.8°C)
-1.1°F
(-0.6°C)
21st Coolest
Coolest since:
1976
108th Warmest
Warmest since:
1931
May–Dec 1945
8-Month
57.6°F
(14.2°C)
59.0°F
(15.0°C)
-1.4°F
(-0.8°C)
11th Coolest
Coolest since:
1917
118th Warmest
Warmest since:
1931
Ties: 1929, 1958, 1992, 1997
Apr–Dec 1945
9-Month
57.2°F
(14.0°C)
58.2°F
(14.6°C)
-1.0°F
(-0.6°C)
18th Coolest
Coolest since:
1917
111th Warmest
Warmest since:
2015
Ties: 1909, 1926, 1937, 1974, 2000
Mar–Dec 1945
10-Month
56.6°F
(13.7°C)
56.5°F
(13.6°C)
0.1°F
(0.1°C)
56th Coolest
Coolest since:
1917
73rd Warmest
Warmest since:
2016
Ties: 1906, 1923, 1927, 1944, 1975
Feb–Dec 1945
11-Month
54.4°F
(12.4°C)
54.3°F
(12.4°C)
0.1°F
(0.0°C)
58th Coolest
Coolest since:
1917
71st Warmest
Warmest since:
2012
Ties: 1932, 1964
Jan–Dec 1945
12-Month
52.0°F
(11.1°C)
52.2°F
(11.2°C)
-0.2°F
(-0.1°C)
49th Coolest
Coolest since:
1917
80th Warmest
Warmest since:
2012
Ties: 1970, 1992
Jul 1944–Dec 1945
18-Month
53.3°F
(11.8°C)
53.7°F
(12.1°C)
-0.4°F
(-0.3°C)
34th Coolest
Coolest since:
1904, 1917
94th Warmest
Warmest since:
2012, 2016
Ties: 1902, 1929, 1964
Jan 1944–Dec 1945
24-Month
52.4°F
(11.3°C)
52.2°F
(11.2°C)
0.2°F
(0.1°C)
68th Coolest
Coolest since:
1979
60th Warmest
Warmest since:
2017
Ties: 1965, 1973
Jan 1943–Dec 1945
36-Month
52.2°F
(11.2°C)
52.2°F
(11.2°C)
0.0°F
(0.0°C)
56th Coolest
Coolest since:
1980
71st Warmest
Warmest since:
2018
Ties: 1901, 1942, 1989
Jan 1942–Dec 1945
48-Month
52.3°F
(11.3°C)
52.2°F
(11.2°C)
0.1°F
(0.1°C)
54th Coolest
Coolest since:
1979
72nd Warmest
Warmest since:
2019
Ties: 1916, 1937, 1950, 1951, 1974
Jan 1941–Dec 1945
60-Month
52.5°F
(11.4°C)
52.2°F
(11.2°C)
0.3°F
(0.2°C)
69th Coolest
Coolest since:
1980
56th Warmest
Warmest since:
2020
Ties: 1924, 1940, 1947, 1952, 1988, 1998

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