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 1904

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1904
1-Month
52.16°F
(11.20°C)
51.90°F
(11.06°C)
0.26°F
(0.14°C)
63rd Coolest
Coolest since:
1918
66th Warmest
Warmest since:
2019
Aug–Sep 1904
2-Month
55.02°F
(12.79°C)
55.48°F
(13.04°C)
-0.46°F
(-0.25°C)
35th Coolest
Coolest since:
1974
94th Warmest
Warmest since:
2019
Jul–Sep 1904
3-Month
56.19°F
(13.44°C)
57.17°F
(13.98°C)
-0.98°F
(-0.54°C)
13th Coolest
Coolest since:
1924
116th Warmest
Warmest since:
2022
Jun–Sep 1904
4-Month
55.78°F
(13.21°C)
56.78°F
(13.77°C)
-1.00°F
(-0.56°C)
12th Coolest
Coolest since:
1903
117th Warmest
Warmest since:
2021
Ties: 1976
May–Sep 1904
5-Month
54.08°F
(12.27°C)
54.91°F
(12.73°C)
-0.83°F
(-0.46°C)
14th Coolest
Coolest since:
1907, 1924
115th Warmest
Warmest since:
2018
Apr–Sep 1904
6-Month
51.23°F
(10.68°C)
52.19°F
(11.22°C)
-0.96°F
(-0.54°C)
8th Coolest
Coolest since:
1907
121st Warmest
Warmest since:
2018
Mar–Sep 1904
7-Month
48.28°F
(9.04°C)
49.03°F
(9.46°C)
-0.75°F
(-0.42°C)
16th Coolest
Coolest since:
1917
113th Warmest
Warmest since:
2012
Feb–Sep 1904
8-Month
44.72°F
(7.07°C)
45.74°F
(7.63°C)
-1.02°F
(-0.56°C)
12th Coolest
Coolest since:
1917
117th Warmest
Warmest since:
2012
Jan–Sep 1904
9-Month
41.57°F
(5.32°C)
42.86°F
(6.03°C)
-1.29°F
(-0.71°C)
8th Coolest
Coolest since:
1917
121st Warmest
Warmest since:
2012
Dec 1903–Sep 1904
10-Month
39.32°F
(4.07°C)
40.84°F
(4.91°C)
-1.52°F
(-0.84°C)
5th Coolest
Coolest since:
1917
123rd Warmest
Warmest since:
2016
Nov 1903–Sep 1904
11-Month
38.36°F
(3.53°C)
39.92°F
(4.40°C)
-1.56°F
(-0.87°C)
4th Coolest
Coolest since:
1917
124th Warmest
Warmest since:
2016
Oct 1903–Sep 1904
12-Month
38.55°F
(3.64°C)
40.04°F
(4.47°C)
-1.49°F
(-0.83°C)
4th Coolest
Coolest since:
1917
124th Warmest
Warmest since:
2016
Apr 1903–Sep 1904
18-Month
42.70°F
(5.94°C)
44.09°F
(6.72°C)
-1.39°F
(-0.78°C)
3rd Coolest
Coolest since:
1917
125th Warmest
Warmest since:
2016
Oct 1902–Sep 1904
24-Month
39.00°F
(3.89°C)
40.04°F
(4.47°C)
-1.04°F
(-0.58°C)
4th Coolest
Coolest since:
1918
123rd Warmest
Warmest since:
2017
Oct 1901–Sep 1904
36-Month
39.17°F
(3.98°C)
40.03°F
(4.46°C)
-0.86°F
(-0.48°C)
4th Coolest
Coolest since:
1918
122nd Warmest
Warmest since:
2017, 2018
Oct 1900–Sep 1904
48-Month
39.45°F
(4.14°C)
40.01°F
(4.45°C)
-0.56°F
(-0.31°C)
11th Coolest
Coolest since:
1918
114th Warmest
Warmest since:
2018
Oct 1899–Sep 1904
60-Month
39.72°F
(4.29°C)
40.00°F
(4.44°C)
-0.28°F
(-0.15°C)
29th Coolest
Coolest since:
1920
95th Warmest
Warmest since:
2019, 2020
Ties: 1964

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