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 1899

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1899
1-Month
64.80°F
(18.22°C)
64.86°F
(18.26°C)
-0.06°F
(-0.04°C)
55th Coolest
Coolest since:
1965
74th Warmest
Warmest since:
1998
Ties: 1935
Aug–Sep 1899
2-Month
68.27°F
(20.15°C)
68.48°F
(20.27°C)
-0.21°F
(-0.12°C)
48th Coolest
Coolest since:
1974
81st Warmest
Warmest since:
1998
Jul–Sep 1899
3-Month
69.87°F
(21.04°C)
70.19°F
(21.22°C)
-0.32°F
(-0.18°C)
37th Coolest
Coolest since:
1950
92nd Warmest
Warmest since:
2022
Ties: 1916, 1989
Jun–Sep 1899
4-Month
69.57°F
(20.87°C)
69.77°F
(20.98°C)
-0.20°F
(-0.11°C)
44th Coolest
Coolest since:
1903
85th Warmest
Warmest since:
2021, 2022
May–Sep 1899
5-Month
67.63°F
(19.79°C)
67.85°F
(19.92°C)
-0.22°F
(-0.13°C)
40th Coolest
Coolest since:
1907
89th Warmest
Warmest since:
2018
Ties: 1984
Apr–Sep 1899
6-Month
64.80°F
(18.22°C)
65.06°F
(18.37°C)
-0.26°F
(-0.15°C)
42nd Coolest
Coolest since:
1907
87th Warmest
Warmest since:
2012
Mar–Sep 1899
7-Month
60.92°F
(16.07°C)
61.69°F
(16.49°C)
-0.77°F
(-0.42°C)
17th Coolest
Coolest since:
1912
112th Warmest
Warmest since:
2012
Feb–Sep 1899
8-Month
56.49°F
(13.61°C)
58.21°F
(14.56°C)
-1.72°F
(-0.95°C)
3rd Coolest
Coolest since:
1917
126th Warmest
Warmest since:
2012
Ties: 1903
Jan–Sep 1899
9-Month
53.51°F
(11.95°C)
55.08°F
(12.82°C)
-1.57°F
(-0.87°C)
4th Coolest
Coolest since:
1912
125th Warmest
Warmest since:
2012
Dec 1898–Sep 1899
10-Month
51.03°F
(10.57°C)
52.85°F
(11.58°C)
-1.82°F
(-1.01°C)
4th Coolest
Coolest since:
1917
124th Warmest
Warmest since:
2012
Nov 1898–Sep 1899
11-Month
49.88°F
(9.93°C)
51.84°F
(11.02°C)
-1.96°F
(-1.09°C)
3rd Coolest
Coolest since:
1912
125th Warmest
Warmest since:
2012
Oct 1898–Sep 1899
12-Month
50.01°F
(10.01°C)
52.03°F
(11.13°C)
-2.02°F
(-1.12°C)
3rd Coolest
Coolest since:
1912
125th Warmest
Warmest since:
2012
Apr 1898–Sep 1899
18-Month
55.09°F
(12.83°C)
56.36°F
(13.53°C)
-1.27°F
(-0.70°C)
4th Coolest
Coolest since:
1917
124th Warmest
Warmest since:
2012
Oct 1897–Sep 1899
24-Month
51.06°F
(10.59°C)
52.01°F
(11.12°C)
-0.95°F
(-0.53°C)
6th Coolest
Coolest since:
1913, 1918
121st Warmest
Warmest since:
2017
Oct 1896–Sep 1899
36-Month
51.20°F
(10.67°C)
52.00°F
(11.11°C)
-0.80°F
(-0.44°C)
8th Coolest
Coolest since:
1917
118th Warmest
Warmest since:
2018
Ties: 1906
Oct 1895–Sep 1899
48-Month
51.31°F
(10.73°C)
51.99°F
(11.11°C)
-0.68°F
(-0.38°C)
8th Coolest
Coolest since:
1918
117th Warmest
Warmest to Date
2018
Ties: 1919

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