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.

Minimum Temperature Rankings, December 1927

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1927
1-Month
17.83°F
(-7.87°C)
22.60°F
(-5.22°C)
-4.77°F
(-2.65°C)
6th Coolest
Coolest since:
1909
123rd Warmest
Warmest since:
2015
Nov–Dec 1927
2-Month
25.81°F
(-3.44°C)
26.64°F
(-2.98°C)
-0.83°F
(-0.46°C)
35th Coolest
Coolest since:
1976
94th Warmest
Warmest since:
2015
Oct–Dec 1927
3-Month
31.28°F
(-0.40°C)
31.56°F
(-0.24°C)
-0.28°F
(-0.16°C)
46th Coolest
Coolest since:
1976
83rd Warmest
Warmest since:
2015
Sep–Dec 1927
4-Month
36.58°F
(2.54°C)
36.65°F
(2.58°C)
-0.07°F
(-0.04°C)
46th Coolest
Coolest since:
1976
83rd Warmest
Warmest since:
2015
Ties: 1902, 1926
Aug–Dec 1927
5-Month
40.60°F
(4.78°C)
41.13°F
(5.07°C)
-0.53°F
(-0.29°C)
32nd Coolest
Coolest since:
1976
97th Warmest
Warmest since:
2015
Ties: 1930
Jul–Dec 1927
6-Month
43.75°F
(6.53°C)
44.36°F
(6.87°C)
-0.61°F
(-0.34°C)
23rd Coolest
Coolest since:
1976
106th Warmest
Warmest since:
2021
Ties: 1972
Jun–Dec 1927
7-Month
45.34°F
(7.41°C)
45.97°F
(7.76°C)
-0.63°F
(-0.35°C)
19th Coolest
Coolest since:
1976
110th Warmest
Warmest since:
2021
May–Dec 1927
8-Month
45.62°F
(7.57°C)
46.16°F
(7.87°C)
-0.54°F
(-0.30°C)
23rd Coolest
Coolest since:
1976
106th Warmest
Warmest since:
2015
Apr–Dec 1927
9-Month
44.95°F
(7.19°C)
45.32°F
(7.40°C)
-0.37°F
(-0.21°C)
29th Coolest
Coolest since:
1917
100th Warmest
Warmest since:
2015
Mar–Dec 1927
10-Month
43.58°F
(6.43°C)
43.79°F
(6.55°C)
-0.21°F
(-0.12°C)
46th Coolest
Coolest since:
1917
83rd Warmest
Warmest since:
2015
Feb–Dec 1927
11-Month
42.12°F
(5.62°C)
41.88°F
(5.49°C)
0.24°F
(0.13°C)
73rd Coolest
Coolest since:
1917
56th Warmest
Warmest since:
2016
Jan–Dec 1927
12-Month
40.38°F
(4.66°C)
40.04°F
(4.47°C)
0.34°F
(0.19°C)
79th Coolest
Coolest since:
1917
50th Warmest
Warmest since:
2016
Jul 1926–Dec 1927
18-Month
41.68°F
(5.38°C)
41.48°F
(5.27°C)
0.20°F
(0.11°C)
71st Coolest
Coolest since:
1917
57th Warmest
Warmest since:
2016
Ties: 1996
Jan 1926–Dec 1927
24-Month
40.20°F
(4.56°C)
40.03°F
(4.46°C)
0.17°F
(0.10°C)
68th Coolest
Coolest since:
1917
60th Warmest
Warmest since:
2017
Ties: 1973
Jan 1925–Dec 1927
36-Month
40.27°F
(4.59°C)
40.02°F
(4.46°C)
0.25°F
(0.13°C)
72nd Coolest
Coolest since:
1918
55th Warmest
Warmest since:
2017
Ties: 1959
Jan 1924–Dec 1927
48-Month
39.77°F
(4.32°C)
40.01°F
(4.45°C)
-0.24°F
(-0.13°C)
36th Coolest
Coolest since:
1919
90th Warmest
Warmest since:
2018
Ties: 1910, 1929
Jan 1923–Dec 1927
60-Month
39.79°F
(4.33°C)
40.00°F
(4.44°C)
-0.21°F
(-0.11°C)
35th Coolest
Coolest since:
1920
90th Warmest
Warmest since:
2019
Ties: 1965

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