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 1917

View Period (Months):
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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1917
1-Month
40.62°F
(4.79°C)
42.76°F
(5.98°C)
-2.14°F
(-1.19°C)
21st Coolest
Coolest since:
1983
107th Warmest
Warmest since:
2021
Ties: 1897
Nov–Dec 1917
2-Month
48.32°F
(9.07°C)
47.73°F
(8.74°C)
0.59°F
(0.33°C)
72nd Coolest
Coolest since:
2000
56th Warmest
Warmest since:
1999
Ties: 1977
Oct–Dec 1917
3-Month
53.67°F
(12.04°C)
54.09°F
(12.27°C)
-0.42°F
(-0.23°C)
47th Coolest
Coolest since:
1972
81st Warmest
Warmest since:
1999
Sep–Dec 1917
4-Month
59.52°F
(15.29°C)
60.02°F
(15.57°C)
-0.50°F
(-0.28°C)
42nd Coolest
Coolest since:
1972
86th Warmest
Warmest since:
2021
Aug–Dec 1917
5-Month
64.51°F
(18.06°C)
65.04°F
(18.36°C)
-0.53°F
(-0.30°C)
37th Coolest
Coolest since:
1972
91st Warmest
Warmest since:
2021
Ties: 1924
Jul–Dec 1917
6-Month
68.43°F
(20.24°C)
68.65°F
(20.36°C)
-0.22°F
(-0.12°C)
53rd Coolest
Coolest since:
1972
75th Warmest
Warmest since:
2021
Jun–Dec 1917
7-Month
70.19°F
(21.22°C)
70.46°F
(21.37°C)
-0.27°F
(-0.15°C)
51st Coolest
Coolest since:
1972
77th Warmest
Warmest since:
2021
May–Dec 1917
8-Month
69.82°F
(21.01°C)
70.77°F
(21.54°C)
-0.95°F
(-0.53°C)
18th Coolest
Coolest since:
1972
110th Warmest
Warmest since:
2021
Ties: 1909
Apr–Dec 1917
9-Month
68.78°F
(20.43°C)
69.96°F
(21.09°C)
-1.18°F
(-0.66°C)
7th Coolest
Coolest since:
1972
121st Warmest
Warmest since:
2012
Mar–Dec 1917
10-Month
66.91°F
(19.39°C)
68.27°F
(20.15°C)
-1.36°F
(-0.76°C)
4th Coolest
Coolest since:
1912
124th Warmest
Warmest since:
2012
Feb–Dec 1917
11-Month
64.63°F
(18.13°C)
66.13°F
(18.96°C)
-1.50°F
(-0.83°C)
3rd Coolest
Coolest since:
1912
125th Warmest
Warmest since:
2012
Jan–Dec 1917
12-Month
62.50°F
(16.94°C)
64.00°F
(17.78°C)
-1.50°F
(-0.84°C)
3rd Coolest
Coolest since:
1912
125th Warmest
Warmest since:
2012
Jul 1916–Dec 1917
18-Month
64.23°F
(17.91°C)
65.55°F
(18.64°C)
-1.32°F
(-0.73°C)
3rd Coolest
Coolest since:
1912
124th Warmest
Warmest since:
2012
Jan 1916–Dec 1917
24-Month
62.81°F
(17.12°C)
64.00°F
(17.78°C)
-1.19°F
(-0.66°C)
3rd Coolest
Coolest since:
1913
124th Warmest
Warmest since:
2017
Jan 1915–Dec 1917
36-Month
62.89°F
(17.16°C)
63.99°F
(17.77°C)
-1.10°F
(-0.61°C)
2nd Coolest
Coolest since:
1905
124th Warmest
Warmest since:
2017
Jan 1914–Dec 1917
48-Month
63.10°F
(17.28°C)
63.97°F
(17.76°C)
-0.87°F
(-0.48°C)
4th Coolest
Coolest since:
1906
121st Warmest
Warmest since:
2018
Jan 1913–Dec 1917
60-Month
63.18°F
(17.32°C)
63.97°F
(17.76°C)
-0.79°F
(-0.44°C)
6th Coolest
Coolest since:
1907
118th Warmest
Warmest since:
2016
Ties: 1919

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