National Rankings

National Data Info
Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Maximum Temperature Rankings, December 1964

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1964
1-Month
41.72°F
(5.40°C)
42.76°F
(5.98°C)
-1.04°F
(-0.58°C)
33rd Coolest
Coolest since:
1983
95th Warmest
Warmest since:
2021
Nov–Dec 1964
2-Month
47.62°F
(8.68°C)
47.73°F
(8.74°C)
-0.11°F
(-0.06°C)
55th Coolest
Coolest since:
2000
73rd Warmest
Warmest since:
1999
Oct–Dec 1964
3-Month
54.39°F
(12.44°C)
54.09°F
(12.27°C)
0.30°F
(0.17°C)
71st Coolest
Coolest since:
1972
57th Warmest
Warmest since:
1999
Sep–Dec 1964
4-Month
59.94°F
(15.52°C)
60.02°F
(15.57°C)
-0.08°F
(-0.05°C)
58th Coolest
Coolest since:
1972
70th Warmest
Warmest since:
2021
Aug–Dec 1964
5-Month
64.68°F
(18.16°C)
65.05°F
(18.36°C)
-0.37°F
(-0.20°C)
47th Coolest
Coolest since:
1972
81st Warmest
Warmest since:
2021
Jul–Dec 1964
6-Month
68.55°F
(20.31°C)
68.65°F
(20.36°C)
-0.10°F
(-0.05°C)
56th Coolest
Coolest since:
1972
72nd Warmest
Warmest since:
2021
Ties: 1930, 1970
Jun–Dec 1964
7-Month
70.28°F
(21.27°C)
70.46°F
(21.37°C)
-0.18°F
(-0.10°C)
55th Coolest
Coolest since:
1972
73rd Warmest
Warmest since:
2021
May–Dec 1964
8-Month
70.80°F
(21.56°C)
70.77°F
(21.54°C)
0.03°F
(0.02°C)
62nd Coolest
Coolest since:
1972
66th Warmest
Warmest since:
2021
Apr–Dec 1964
9-Month
69.98°F
(21.10°C)
69.96°F
(21.09°C)
0.02°F
(0.01°C)
63rd Coolest
Coolest since:
1972
65th Warmest
Warmest since:
2012
Mar–Dec 1964
10-Month
68.07°F
(20.04°C)
68.27°F
(20.15°C)
-0.20°F
(-0.11°C)
55th Coolest
Coolest since:
1912
73rd Warmest
Warmest since:
2012
Feb–Dec 1964
11-Month
65.83°F
(18.79°C)
66.14°F
(18.97°C)
-0.31°F
(-0.18°C)
47th Coolest
Coolest since:
1912
81st Warmest
Warmest since:
2012
Ties: 1932, 1947
Jan–Dec 1964
12-Month
63.91°F
(17.73°C)
64.00°F
(17.78°C)
-0.09°F
(-0.05°C)
59th Coolest
Coolest since:
1912
69th Warmest
Warmest since:
2012
Ties: 1927
Jul 1963–Dec 1964
18-Month
65.84°F
(18.80°C)
65.55°F
(18.64°C)
0.29°F
(0.16°C)
77th Coolest
Coolest since:
1912
50th Warmest
Warmest since:
2012
Jan 1963–Dec 1964
24-Month
64.28°F
(17.93°C)
63.99°F
(17.77°C)
0.29°F
(0.16°C)
76th Coolest
Coolest since:
1913
51st Warmest
Warmest since:
2017
Ties: 1901
Jan 1962–Dec 1964
36-Month
64.18°F
(17.88°C)
63.99°F
(17.77°C)
0.19°F
(0.11°C)
75th Coolest
Coolest since:
1905
51st Warmest
Warmest since:
2017
Jan 1961–Dec 1964
48-Month
64.09°F
(17.83°C)
63.98°F
(17.77°C)
0.11°F
(0.06°C)
69th Coolest
Coolest since:
1906
56th Warmest
Warmest since:
2018
Ties: 1944
Jan 1960–Dec 1964
60-Month
63.96°F
(17.76°C)
63.97°F
(17.76°C)
-0.01°F
(0.00°C)
58th Coolest
Coolest since:
1907
66th Warmest
Warmest since:
2016
Ties: 1965

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