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 1989

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1989
1-Month
27.73°F
(-2.37°C)
32.68°F
(0.38°C)
-4.95°F
(-2.75°C)
5th Coolest
Coolest since:
1983
123rd Warmest
Warmest since:
2021
Nov–Dec 1989
2-Month
35.33°F
(1.85°C)
37.19°F
(2.88°C)
-1.86°F
(-1.03°C)
17th Coolest
Coolest since:
2000
111th Warmest
Warmest since:
2021
Oct–Dec 1989
3-Month
41.67°F
(5.37°C)
42.83°F
(6.02°C)
-1.16°F
(-0.65°C)
22nd Coolest
Coolest since:
1898
106th Warmest
Warmest since:
2021
Sep–Dec 1989
4-Month
47.27°F
(8.48°C)
48.34°F
(9.08°C)
-1.07°F
(-0.60°C)
20th Coolest
Coolest since:
1976
108th Warmest
Warmest since:
2021
Ties: 1983
Aug–Dec 1989
5-Month
52.08°F
(11.16°C)
53.09°F
(11.72°C)
-1.01°F
(-0.56°C)
16th Coolest
Coolest since:
1976
112th Warmest
Warmest since:
2021
Jul–Dec 1989
6-Month
55.77°F
(13.21°C)
56.51°F
(13.62°C)
-0.74°F
(-0.41°C)
20th Coolest
Coolest since:
1976
108th Warmest
Warmest since:
2021
Jun–Dec 1989
7-Month
57.54°F
(14.19°C)
58.23°F
(14.57°C)
-0.69°F
(-0.38°C)
21st Coolest
Coolest since:
1976
107th Warmest
Warmest since:
2021
May–Dec 1989
8-Month
57.90°F
(14.39°C)
58.47°F
(14.71°C)
-0.57°F
(-0.32°C)
28th Coolest
Coolest since:
1976
100th Warmest
Warmest since:
2021
Ties: 1950, 1983
Apr–Dec 1989
9-Month
57.34°F
(14.08°C)
57.64°F
(14.24°C)
-0.30°F
(-0.16°C)
38th Coolest
Coolest since:
1917
90th Warmest
Warmest since:
2021
Ties: 1915
Mar–Dec 1989
10-Month
55.88°F
(13.27°C)
56.03°F
(13.35°C)
-0.15°F
(-0.08°C)
54th Coolest
Coolest since:
1917
74th Warmest
Warmest since:
2012
Feb–Dec 1989
11-Month
53.45°F
(11.92°C)
54.01°F
(12.23°C)
-0.56°F
(-0.31°C)
28th Coolest
Coolest since:
1917
100th Warmest
Warmest since:
2012
Jan–Dec 1989
12-Month
51.84°F
(11.02°C)
52.03°F
(11.13°C)
-0.19°F
(-0.11°C)
47th Coolest
Coolest since:
1917
81st Warmest
Warmest since:
2012
Ties: 1914, 1942
Jul 1988–Dec 1989
18-Month
53.66°F
(12.03°C)
53.53°F
(11.96°C)
0.13°F
(0.07°C)
69th Coolest
Coolest since:
1917
58th Warmest
Warmest since:
2012, 2016
Jan 1988–Dec 1989
24-Month
52.23°F
(11.24°C)
52.02°F
(11.12°C)
0.21°F
(0.12°C)
73rd Coolest
Coolest since:
1917
54th Warmest
Warmest since:
2017
Ties: 1911, 1982
Jan 1987–Dec 1989
36-Month
52.60°F
(11.44°C)
52.01°F
(11.12°C)
0.59°F
(0.32°C)
89th Coolest
Coolest since:
1917
37th Warmest
Warmest since:
2017
Ties: 1941
Jan 1986–Dec 1989
48-Month
52.78°F
(11.54°C)
52.00°F
(11.11°C)
0.78°F
(0.43°C)
99th Coolest
Coolest since:
1917
26th Warmest
Warmest since:
2018
Ties: 1991, 1992
Jan 1985–Dec 1989
60-Month
52.48°F
(11.38°C)
51.98°F
(11.10°C)
0.50°F
(0.28°C)
84th Coolest
Coolest since:
1920
40th Warmest
Warmest since:
2019, 2020

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