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 2020

View Period (Months):
Download: csv json xml
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 2020
1-Month
34.6°F
(1.4°C)
32.4°F
(0.2°C)
2.2°F
(1.2°C)
84th Coolest
Coolest since:
1989
45th Warmest
Warmest since:
2015
Nov–Dec 2020
2-Month
41.0°F
(5.0°C)
37.3°F
(2.9°C)
3.7°F
(2.1°C)
113th Coolest
Coolest since:
1976
16th Warmest
Warmest since:
2015
Oct–Dec 2020
3-Month
45.6°F
(7.6°C)
43.0°F
(6.1°C)
2.6°F
(1.5°C)
110th Coolest
Coolest since:
1917
19th Warmest
Warmest since:
2015
Sep–Dec 2020
4-Month
50.6°F
(10.3°C)
48.7°F
(9.3°C)
1.9°F
(1.0°C)
107th Coolest
Coolest since:
1976
22nd Warmest
Warmest since:
1931
Ties: 1922, 1956, 1970, 1999
Aug–Dec 2020
5-Month
55.0°F
(12.8°C)
53.3°F
(11.8°C)
1.7°F
(1.0°C)
112th Coolest
Coolest since:
1976
17th Warmest
Warmest since:
1931
Ties: 1936, 1990
Jul–Dec 2020
6-Month
58.6°F
(14.8°C)
56.8°F
(13.8°C)
1.8°F
(1.0°C)
114th Coolest
Coolest since:
1976
15th Warmest
Warmest since:
1931
Ties: 1999
Jun–Dec 2020
7-Month
60.4°F
(15.8°C)
58.7°F
(14.8°C)
1.7°F
(1.0°C)
115th Coolest
Coolest since:
1976
14th Warmest
Warmest since:
1931
Ties: 1999, 2018, 2019
May–Dec 2020
8-Month
60.3°F
(15.7°C)
59.1°F
(15.1°C)
1.2°F
(0.6°C)
101st Coolest
Coolest since:
1917
28th Warmest
Warmest since:
1931
Ties: 1949
Apr–Dec 2020
9-Month
59.1°F
(15.1°C)
58.2°F
(14.6°C)
0.9°F
(0.5°C)
89th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
2015
Ties: 1908, 1938, 1939, 1994, 2022
Mar–Dec 2020
10-Month
57.9°F
(14.4°C)
56.5°F
(13.6°C)
1.4°F
(0.8°C)
111th Coolest
Coolest since:
1917
18th Warmest
Warmest since:
2016
Ties: 1938, 1973, 1987, 2001
Feb–Dec 2020
11-Month
55.9°F
(13.3°C)
54.3°F
(12.4°C)
1.6°F
(0.9°C)
113th Coolest
Coolest since:
1917
16th Warmest
Warmest since:
2012
Ties: 2001, 2007
Jan–Dec 2020
12-Month
54.2°F
(12.3°C)
52.1°F
(11.2°C)
2.1°F
(1.1°C)
120th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
2012
Ties: 2021
Jul 2019–Dec 2020
18-Month
55.8°F
(13.2°C)
53.8°F
(12.1°C)
2.0°F
(1.1°C)
123rd Coolest
Coolest since:
1904, 1917
5th Warmest
Warmest since:
2012, 2016
Ties: 1921
Jan 2019–Dec 2020
24-Month
54.1°F
(12.3°C)
52.2°F
(11.2°C)
1.9°F
(1.1°C)
120th Coolest
Coolest since:
1979
8th Warmest
Warmest since:
2017
Ties: 2007, 2016
Jan 2018–Dec 2020
36-Month
53.9°F
(12.2°C)
52.1°F
(11.2°C)
1.8°F
(1.0°C)
121st Coolest
Coolest since:
1980
6th Warmest
Warmest since:
2018
Ties: 1933, 2000, 2007, 2013, 2022
Jan 2017–Dec 2020
48-Month
54.1°F
(12.3°C)
52.1°F
(11.2°C)
2.0°F
(1.1°C)
123rd Coolest
Coolest since:
1979
3rd Warmest
Warmest since:
2019
Jan 2016–Dec 2020
60-Month
54.3°F
(12.4°C)
52.2°F
(11.2°C)
2.1°F
(1.2°C)
124th Coolest
Coolest since:
1980
1st Warmest
Warmest to Date
2020

Citing This Page