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, September 1935

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1935
1-Month
51.33°F
(10.74°C)
51.90°F
(11.06°C)
-0.57°F
(-0.32°C)
39th Coolest
Coolest since:
1918
90th Warmest
Warmest since:
2019
Aug–Sep 1935
2-Month
55.57°F
(13.09°C)
55.48°F
(13.04°C)
0.09°F
(0.05°C)
61st Coolest
Coolest since:
1974
68th Warmest
Warmest since:
2019
Jul–Sep 1935
3-Month
57.69°F
(14.27°C)
57.17°F
(13.98°C)
0.52°F
(0.29°C)
86th Coolest
Coolest since:
1924
43rd Warmest
Warmest since:
2022
Jun–Sep 1935
4-Month
56.97°F
(13.87°C)
56.78°F
(13.77°C)
0.19°F
(0.10°C)
63rd Coolest
Coolest since:
1903
66th Warmest
Warmest since:
2021
May–Sep 1935
5-Month
54.72°F
(12.62°C)
54.91°F
(12.73°C)
-0.19°F
(-0.11°C)
40th Coolest
Coolest since:
1907, 1924
89th Warmest
Warmest since:
2018
Ties: 1993
Apr–Sep 1935
6-Month
52.00°F
(11.11°C)
52.20°F
(11.22°C)
-0.20°F
(-0.11°C)
43rd Coolest
Coolest since:
1907
86th Warmest
Warmest since:
2018
Ties: 1973
Mar–Sep 1935
7-Month
49.17°F
(9.54°C)
49.02°F
(9.46°C)
0.15°F
(0.08°C)
64th Coolest
Coolest since:
1917
65th Warmest
Warmest since:
2012
Feb–Sep 1935
8-Month
46.15°F
(7.86°C)
45.74°F
(7.63°C)
0.41°F
(0.23°C)
81st Coolest
Coolest since:
1917
48th Warmest
Warmest since:
2012
Ties: 2014
Jan–Sep 1935
9-Month
43.34°F
(6.30°C)
42.86°F
(6.03°C)
0.48°F
(0.27°C)
84th Coolest
Coolest since:
1917
45th Warmest
Warmest since:
2012
Dec 1934–Sep 1935
10-Month
41.30°F
(5.17°C)
40.84°F
(4.91°C)
0.46°F
(0.26°C)
79th Coolest
Coolest since:
1917
49th Warmest
Warmest since:
2016
Nov 1934–Sep 1935
11-Month
40.64°F
(4.80°C)
39.91°F
(4.39°C)
0.73°F
(0.41°C)
92nd Coolest
Coolest since:
1917
36th Warmest
Warmest since:
2016
Oct 1934–Sep 1935
12-Month
40.87°F
(4.93°C)
40.05°F
(4.47°C)
0.82°F
(0.46°C)
93rd Coolest
Coolest since:
1917
35th Warmest
Warmest since:
2016
Ties: 1932
Apr 1934–Sep 1935
18-Month
45.04°F
(7.24°C)
44.09°F
(6.72°C)
0.95°F
(0.52°C)
101st Coolest
Coolest since:
1917
27th Warmest
Warmest since:
2016
Ties: 2010
Oct 1933–Sep 1935
24-Month
41.04°F
(5.02°C)
40.04°F
(4.47°C)
1.00°F
(0.55°C)
102nd Coolest
Coolest since:
1918
25th Warmest
Warmest to Date
2017
Oct 1932–Sep 1935
36-Month
40.62°F
(4.79°C)
40.02°F
(4.46°C)
0.60°F
(0.33°C)
93rd Coolest
Coolest since:
1918
33rd Warmest
Warmest since:
2017, 2018
Ties: 1934
Oct 1931–Sep 1935
48-Month
40.68°F
(4.82°C)
40.01°F
(4.45°C)
0.67°F
(0.37°C)
93rd Coolest
Coolest since:
1918
32nd Warmest
Warmest to Date
2018
Oct 1930–Sep 1935
60-Month
40.65°F
(4.81°C)
40.00°F
(4.44°C)
0.65°F
(0.37°C)
91st Coolest
Coolest since:
1920
33rd Warmest
Warmest to Date
2019, 2020

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