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.

Average Temperature Rankings, December 1997

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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 1997
1-Month
34.00°F
(1.11°C)
32.68°F
(0.38°C)
1.32°F
(0.73°C)
82nd Coolest
Coolest since:
1983
46th Warmest
Warmest since:
2021
Nov–Dec 1997
2-Month
37.43°F
(3.02°C)
37.18°F
(2.88°C)
0.25°F
(0.14°C)
57th Coolest
Coolest since:
2000
71st Warmest
Warmest since:
2021
Oct–Dec 1997
3-Month
42.93°F
(6.07°C)
42.83°F
(6.02°C)
0.10°F
(0.05°C)
57th Coolest
Coolest since:
1898
71st Warmest
Warmest since:
2021
Sep–Dec 1997
4-Month
48.80°F
(9.33°C)
48.33°F
(9.07°C)
0.47°F
(0.26°C)
76th Coolest
Coolest since:
1976
52nd Warmest
Warmest since:
2021
Aug–Dec 1997
5-Month
53.39°F
(11.88°C)
53.09°F
(11.72°C)
0.30°F
(0.16°C)
71st Coolest
Coolest since:
1976
57th Warmest
Warmest since:
2021
Jul–Dec 1997
6-Month
56.69°F
(13.72°C)
56.51°F
(13.62°C)
0.18°F
(0.10°C)
70th Coolest
Coolest since:
1976
58th Warmest
Warmest since:
2021
Ties: 1899
Jun–Dec 1997
7-Month
58.35°F
(14.64°C)
58.22°F
(14.57°C)
0.13°F
(0.07°C)
65th Coolest
Coolest since:
1976
63rd Warmest
Warmest since:
2021
May–Dec 1997
8-Month
58.48°F
(14.71°C)
58.47°F
(14.71°C)
0.01°F
(0.00°C)
62nd Coolest
Coolest since:
1976
66th Warmest
Warmest since:
2021
Ties: 1984
Apr–Dec 1997
9-Month
57.31°F
(14.06°C)
57.65°F
(14.25°C)
-0.34°F
(-0.19°C)
35th Coolest
Coolest since:
1917
93rd Warmest
Warmest since:
2021
Ties: 1926
Mar–Dec 1997
10-Month
56.04°F
(13.36°C)
56.03°F
(13.35°C)
0.01°F
(0.01°C)
65th Coolest
Coolest since:
1917
63rd Warmest
Warmest since:
2012
Feb–Dec 1997
11-Month
54.22°F
(12.34°C)
54.01°F
(12.23°C)
0.21°F
(0.11°C)
69th Coolest
Coolest since:
1917
59th Warmest
Warmest since:
2012
Jan–Dec 1997
12-Month
52.20°F
(11.22°C)
52.02°F
(11.12°C)
0.18°F
(0.10°C)
74th Coolest
Coolest since:
1917
54th Warmest
Warmest since:
2012
Jul 1996–Dec 1997
18-Month
53.51°F
(11.95°C)
53.52°F
(11.96°C)
-0.01°F
(-0.01°C)
61st Coolest
Coolest since:
1917
66th Warmest
Warmest since:
2012, 2016
Ties: 1923
Jan 1996–Dec 1997
24-Month
52.04°F
(11.13°C)
52.01°F
(11.12°C)
0.03°F
(0.01°C)
66th Coolest
Coolest since:
1917
61st Warmest
Warmest since:
2017
Jan 1995–Dec 1997
36-Month
52.25°F
(11.25°C)
52.01°F
(11.12°C)
0.24°F
(0.13°C)
77th Coolest
Coolest since:
1917
49th Warmest
Warmest since:
2017
Ties: 1953
Jan 1994–Dec 1997
48-Month
52.40°F
(11.33°C)
51.99°F
(11.11°C)
0.41°F
(0.22°C)
80th Coolest
Coolest since:
1917
45th Warmest
Warmest since:
2018
Jan 1993–Dec 1997
60-Month
52.17°F
(11.21°C)
51.98°F
(11.10°C)
0.19°F
(0.11°C)
73rd Coolest
Coolest since:
1920
51st Warmest
Warmest since:
2019, 2020

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