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 1990

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  • Record Coolest
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  • Top 1/3
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1990
1-Month
41.86°F
(5.48°C)
42.76°F
(5.98°C)
-0.90°F
(-0.50°C)
36th Coolest
Coolest since:
1983
92nd Warmest
Warmest since:
2021
Nov–Dec 1990
2-Month
49.38°F
(9.66°C)
47.74°F
(8.74°C)
1.64°F
(0.92°C)
100th Coolest
Coolest since:
2000
28th Warmest
Warmest since:
1999
Oct–Dec 1990
3-Month
55.33°F
(12.96°C)
54.09°F
(12.27°C)
1.24°F
(0.69°C)
95th Coolest
Coolest since:
1972
33rd Warmest
Warmest since:
1999
Sep–Dec 1990
4-Month
61.59°F
(16.44°C)
60.02°F
(15.57°C)
1.57°F
(0.87°C)
107th Coolest
Coolest since:
1972
21st Warmest
Warmest since:
2021
Ties: 1963
Aug–Dec 1990
5-Month
66.25°F
(19.03°C)
65.04°F
(18.36°C)
1.21°F
(0.67°C)
102nd Coolest
Coolest since:
1972
26th Warmest
Warmest since:
2021
Ties: 1949
Jul–Dec 1990
6-Month
69.50°F
(20.83°C)
68.65°F
(20.36°C)
0.85°F
(0.47°C)
96th Coolest
Coolest since:
1972
32nd Warmest
Warmest since:
2021
Jun–Dec 1990
7-Month
71.46°F
(21.92°C)
70.46°F
(21.37°C)
1.00°F
(0.55°C)
97th Coolest
Coolest since:
1972
31st Warmest
Warmest since:
2021
May–Dec 1990
8-Month
71.39°F
(21.88°C)
70.77°F
(21.54°C)
0.62°F
(0.34°C)
89th Coolest
Coolest since:
1972
39th Warmest
Warmest since:
2021
Ties: 1901
Apr–Dec 1990
9-Month
70.68°F
(21.49°C)
69.96°F
(21.09°C)
0.72°F
(0.40°C)
91st Coolest
Coolest since:
1972
37th Warmest
Warmest since:
2012
Mar–Dec 1990
10-Month
69.23°F
(20.68°C)
68.27°F
(20.15°C)
0.96°F
(0.53°C)
95th Coolest
Coolest since:
1912
33rd Warmest
Warmest since:
2012
Feb–Dec 1990
11-Month
67.31°F
(19.62°C)
66.14°F
(18.97°C)
1.17°F
(0.65°C)
105th Coolest
Coolest since:
1912
23rd Warmest
Warmest since:
2012
Ties: 1938
Jan–Dec 1990
12-Month
65.63°F
(18.68°C)
64.00°F
(17.78°C)
1.63°F
(0.90°C)
111th Coolest
Coolest since:
1912
17th Warmest
Warmest since:
2012
Ties: 1998
Jul 1989–Dec 1990
18-Month
66.47°F
(19.15°C)
65.56°F
(18.64°C)
0.91°F
(0.51°C)
101st Coolest
Coolest since:
1912
26th Warmest
Warmest since:
2012
Jan 1989–Dec 1990
24-Month
64.80°F
(18.22°C)
64.00°F
(17.78°C)
0.80°F
(0.44°C)
95th Coolest
Coolest since:
1913
32nd Warmest
Warmest since:
2017
Jan 1988–Dec 1990
36-Month
64.93°F
(18.29°C)
63.99°F
(17.77°C)
0.94°F
(0.52°C)
98th Coolest
Coolest since:
1905
28th Warmest
Warmest since:
2017
Jan 1987–Dec 1990
48-Month
65.03°F
(18.35°C)
63.97°F
(17.76°C)
1.06°F
(0.59°C)
100th Coolest
Coolest since:
1906
25th Warmest
Warmest since:
2018
Jan 1986–Dec 1990
60-Month
65.00°F
(18.33°C)
63.96°F
(17.76°C)
1.04°F
(0.57°C)
100th Coolest
Coolest since:
1907
24th Warmest
Warmest since:
2016

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