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, September 1918

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1918
1-Month
61.92°F
(16.62°C)
64.86°F
(18.26°C)
-2.94°F
(-1.64°C)
2nd Coolest
Coolest since:
1965
127th Warmest
Warmest since:
1998
Aug–Sep 1918
2-Month
67.21°F
(19.56°C)
68.48°F
(20.27°C)
-1.27°F
(-0.71°C)
9th Coolest
Coolest since:
1974
120th Warmest
Warmest since:
1998
Ties: 1964, 1975
Jul–Sep 1918
3-Month
68.96°F
(20.53°C)
70.19°F
(21.22°C)
-1.23°F
(-0.69°C)
10th Coolest
Coolest since:
1950
119th Warmest
Warmest since:
2022
Jun–Sep 1918
4-Month
69.51°F
(20.84°C)
69.77°F
(20.98°C)
-0.26°F
(-0.14°C)
40th Coolest
Coolest since:
1903
89th Warmest
Warmest since:
2022
Ties: 1984
May–Sep 1918
5-Month
67.76°F
(19.87°C)
67.85°F
(19.92°C)
-0.09°F
(-0.05°C)
52nd Coolest
Coolest since:
1907
77th Warmest
Warmest since:
2018
Apr–Sep 1918
6-Month
64.64°F
(18.13°C)
65.05°F
(18.36°C)
-0.41°F
(-0.23°C)
36th Coolest
Coolest since:
1907
93rd Warmest
Warmest since:
2012
Ties: 1972
Mar–Sep 1918
7-Month
61.94°F
(16.63°C)
61.68°F
(16.49°C)
0.26°F
(0.14°C)
70th Coolest
Coolest since:
1912
59th Warmest
Warmest since:
2012
Feb–Sep 1918
8-Month
58.43°F
(14.68°C)
58.21°F
(14.56°C)
0.22°F
(0.12°C)
72nd Coolest
Coolest since:
1917
57th Warmest
Warmest since:
2012
Ties: 1933, 1980
Jan–Sep 1918
9-Month
54.59°F
(12.55°C)
55.09°F
(12.83°C)
-0.50°F
(-0.28°C)
31st Coolest
Coolest since:
1912
98th Warmest
Warmest since:
2012
Ties: 1942
Dec 1917–Sep 1918
10-Month
52.09°F
(11.16°C)
52.85°F
(11.58°C)
-0.76°F
(-0.42°C)
20th Coolest
Coolest since:
1917
108th Warmest
Warmest since:
2012
Nov 1917–Sep 1918
11-Month
51.31°F
(10.73°C)
51.83°F
(11.02°C)
-0.52°F
(-0.29°C)
31st Coolest
Coolest since:
1912
97th Warmest
Warmest since:
2012
Oct 1917–Sep 1918
12-Month
51.24°F
(10.69°C)
52.03°F
(11.13°C)
-0.79°F
(-0.44°C)
12th Coolest
Coolest since:
1912
116th Warmest
Warmest since:
2012
Apr 1917–Sep 1918
18-Month
55.30°F
(12.94°C)
56.37°F
(13.54°C)
-1.07°F
(-0.60°C)
5th Coolest
Coolest since:
1917
123rd Warmest
Warmest since:
2012
Oct 1916–Sep 1918
24-Month
50.56°F
(10.31°C)
52.02°F
(11.12°C)
-1.46°F
(-0.81°C)
1st Coolest
Coolest since:
1913, 1918
126th Warmest
Warmest since:
2017
Ties: 1913
Oct 1915–Sep 1918
36-Month
50.94°F
(10.52°C)
52.00°F
(11.11°C)
-1.06°F
(-0.59°C)
2nd Coolest
Coolest since:
1917
124th Warmest
Warmest since:
2018
Oct 1914–Sep 1918
48-Month
50.94°F
(10.52°C)
51.99°F
(11.11°C)
-1.05°F
(-0.59°C)
1st Coolest
Coolest since:
1918
124th Warmest
Warmest since:
2018
Oct 1913–Sep 1918
60-Month
51.20°F
(10.67°C)
51.99°F
(11.11°C)
-0.79°F
(-0.44°C)
3rd Coolest
Coolest since:
1920
121st Warmest
Warmest since:
2020
Ties: 1916

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