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 1990

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
December 1990
1-Month
30.83°F
(-0.65°C)
32.68°F
(0.38°C)
-1.85°F
(-1.03°C)
26th Coolest
Coolest since:
1983
103rd Warmest
Warmest since:
2021
Nov–Dec 1990
2-Month
37.88°F
(3.27°C)
37.19°F
(2.88°C)
0.69°F
(0.39°C)
74th Coolest
Coolest since:
2000
55th Warmest
Warmest since:
2021
Oct–Dec 1990
3-Month
43.24°F
(6.24°C)
42.83°F
(6.02°C)
0.41°F
(0.22°C)
68th Coolest
Coolest since:
1898
61st Warmest
Warmest since:
2021
Sep–Dec 1990
4-Month
49.27°F
(9.59°C)
48.34°F
(9.08°C)
0.93°F
(0.51°C)
93rd Coolest
Coolest since:
1976
36th Warmest
Warmest since:
2021
Aug–Dec 1990
5-Month
53.87°F
(12.15°C)
53.09°F
(11.72°C)
0.78°F
(0.43°C)
92nd Coolest
Coolest since:
1976
37th Warmest
Warmest since:
2021
Jul–Dec 1990
6-Month
57.10°F
(13.94°C)
56.51°F
(13.62°C)
0.59°F
(0.32°C)
88th Coolest
Coolest since:
1976
41st Warmest
Warmest since:
2021
Ties: 1949
Jun–Dec 1990
7-Month
58.98°F
(14.99°C)
58.22°F
(14.57°C)
0.76°F
(0.42°C)
93rd Coolest
Coolest since:
1976
36th Warmest
Warmest since:
2021
May–Dec 1990
8-Month
58.96°F
(14.98°C)
58.47°F
(14.71°C)
0.49°F
(0.27°C)
84th Coolest
Coolest since:
1976
45th Warmest
Warmest since:
2021
Ties: 1958
Apr–Dec 1990
9-Month
58.25°F
(14.58°C)
57.64°F
(14.24°C)
0.61°F
(0.34°C)
86th Coolest
Coolest since:
1917
43rd Warmest
Warmest since:
2021
Mar–Dec 1990
10-Month
56.90°F
(13.83°C)
56.03°F
(13.35°C)
0.87°F
(0.48°C)
96th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
2012
Feb–Dec 1990
11-Month
55.06°F
(12.81°C)
54.01°F
(12.23°C)
1.05°F
(0.58°C)
103rd Coolest
Coolest since:
1917
26th Warmest
Warmest since:
2012
Ties: 2000
Jan–Dec 1990
12-Month
53.51°F
(11.95°C)
52.02°F
(11.12°C)
1.49°F
(0.83°C)
112th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2012
Jul 1989–Dec 1990
18-Month
54.27°F
(12.37°C)
53.52°F
(11.96°C)
0.75°F
(0.41°C)
95th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
2012, 2016
Jan 1989–Dec 1990
24-Month
52.67°F
(11.48°C)
52.02°F
(11.12°C)
0.65°F
(0.36°C)
91st Coolest
Coolest since:
1917
37th Warmest
Warmest since:
2017
Jan 1988–Dec 1990
36-Month
52.66°F
(11.48°C)
52.01°F
(11.12°C)
0.65°F
(0.36°C)
92nd Coolest
Coolest since:
1917
35th Warmest
Warmest since:
2017
Ties: 1939
Jan 1987–Dec 1990
48-Month
52.83°F
(11.57°C)
52.00°F
(11.11°C)
0.83°F
(0.46°C)
102nd Coolest
Coolest since:
1917
24th Warmest
Warmest since:
2018
Ties: 2010
Jan 1986–Dec 1990
60-Month
52.93°F
(11.63°C)
51.99°F
(11.11°C)
0.94°F
(0.52°C)
101st Coolest
Coolest since:
1920
24th Warmest
Warmest to Date
2019, 2020

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