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 1915

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1915
1-Month
23.11°F
(-4.94°C)
22.60°F
(-5.22°C)
0.51°F
(0.28°C)
61st Coolest
Coolest since:
1909
67th Warmest
Warmest since:
2015
Nov–Dec 1915
2-Month
27.30°F
(-2.61°C)
26.64°F
(-2.98°C)
0.66°F
(0.37°C)
70th Coolest
Coolest since:
1976
58th Warmest
Warmest since:
2015
Oct–Dec 1915
3-Month
32.12°F
(0.07°C)
31.56°F
(-0.24°C)
0.56°F
(0.31°C)
70th Coolest
Coolest since:
1976
58th Warmest
Warmest since:
2015
Ties: 1942
Sep–Dec 1915
4-Month
37.17°F
(2.87°C)
36.65°F
(2.58°C)
0.52°F
(0.29°C)
76th Coolest
Coolest since:
1976
52nd Warmest
Warmest since:
2015
Aug–Dec 1915
5-Month
41.22°F
(5.12°C)
41.13°F
(5.07°C)
0.09°F
(0.05°C)
57th Coolest
Coolest since:
1976
71st Warmest
Warmest since:
2015
Ties: 1970
Jul–Dec 1915
6-Month
44.14°F
(6.74°C)
44.37°F
(6.87°C)
-0.23°F
(-0.13°C)
47th Coolest
Coolest since:
1976
81st Warmest
Warmest since:
2021
Jun–Dec 1915
7-Month
45.46°F
(7.48°C)
45.97°F
(7.76°C)
-0.51°F
(-0.28°C)
27th Coolest
Coolest since:
1976
101st Warmest
Warmest since:
2021
May–Dec 1915
8-Month
45.60°F
(7.56°C)
46.16°F
(7.87°C)
-0.56°F
(-0.31°C)
21st Coolest
Coolest since:
1976
107th Warmest
Warmest since:
2015
Apr–Dec 1915
9-Month
45.21°F
(7.34°C)
45.32°F
(7.40°C)
-0.11°F
(-0.06°C)
47th Coolest
Coolest since:
1917
81st Warmest
Warmest since:
2015
Ties: 1956, 1978
Mar–Dec 1915
10-Month
43.34°F
(6.30°C)
43.79°F
(6.55°C)
-0.45°F
(-0.25°C)
25th Coolest
Coolest since:
1917
103rd Warmest
Warmest since:
2015
Ties: 1926
Feb–Dec 1915
11-Month
41.79°F
(5.44°C)
41.88°F
(5.49°C)
-0.09°F
(-0.05°C)
57th Coolest
Coolest since:
1917
71st Warmest
Warmest since:
2016
Jan–Dec 1915
12-Month
39.84°F
(4.36°C)
40.04°F
(4.47°C)
-0.20°F
(-0.11°C)
50th Coolest
Coolest since:
1917
78th Warmest
Warmest since:
2016
Ties: 1949, 1962, 1982
Jul 1914–Dec 1915
18-Month
41.20°F
(5.11°C)
41.49°F
(5.27°C)
-0.29°F
(-0.16°C)
39th Coolest
Coolest since:
1917
88th Warmest
Warmest since:
2016
Ties: 1962
Jan 1914–Dec 1915
24-Month
39.89°F
(4.38°C)
40.04°F
(4.47°C)
-0.15°F
(-0.09°C)
52nd Coolest
Coolest since:
1917
75th Warmest
Warmest since:
2017
Jan 1913–Dec 1915
36-Month
39.79°F
(4.33°C)
40.02°F
(4.46°C)
-0.23°F
(-0.13°C)
43rd Coolest
Coolest since:
1918
83rd Warmest
Warmest since:
2017
Jan 1912–Dec 1915
48-Month
39.47°F
(4.15°C)
40.01°F
(4.45°C)
-0.54°F
(-0.30°C)
11th Coolest
Coolest since:
1919
114th Warmest
Warmest since:
2018
Jan 1911–Dec 1915
60-Month
39.59°F
(4.22°C)
40.00°F
(4.44°C)
-0.41°F
(-0.22°C)
15th Coolest
Coolest since:
1920
109th Warmest
Warmest since:
2019
Ties: 1970

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