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 1912

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1912
1-Month
50.43°F
(10.24°C)
51.90°F
(11.06°C)
-1.47°F
(-0.82°C)
15th Coolest
Coolest since:
1918
114th Warmest
Warmest since:
2019
Aug–Sep 1912
2-Month
54.16°F
(12.31°C)
55.47°F
(13.04°C)
-1.31°F
(-0.73°C)
8th Coolest
Coolest since:
1974
121st Warmest
Warmest since:
2019
Ties: 1956
Jul–Sep 1912
3-Month
56.08°F
(13.38°C)
57.17°F
(13.98°C)
-1.09°F
(-0.60°C)
7th Coolest
Coolest since:
1924
122nd Warmest
Warmest since:
2022
Ties: 1956
Jun–Sep 1912
4-Month
55.48°F
(13.04°C)
56.77°F
(13.76°C)
-1.29°F
(-0.72°C)
6th Coolest
Coolest since:
1903
123rd Warmest
Warmest since:
2021
May–Sep 1912
5-Month
53.97°F
(12.21°C)
54.92°F
(12.73°C)
-0.95°F
(-0.52°C)
10th Coolest
Coolest since:
1907, 1924
119th Warmest
Warmest since:
2018
Apr–Sep 1912
6-Month
51.45°F
(10.81°C)
52.20°F
(11.22°C)
-0.75°F
(-0.41°C)
15th Coolest
Coolest since:
1907
114th Warmest
Warmest since:
2018
Mar–Sep 1912
7-Month
47.72°F
(8.73°C)
49.02°F
(9.46°C)
-1.30°F
(-0.73°C)
4th Coolest
Coolest since:
1917
125th Warmest
Warmest since:
2012
Feb–Sep 1912
8-Month
44.28°F
(6.82°C)
45.75°F
(7.64°C)
-1.47°F
(-0.82°C)
4th Coolest
Coolest since:
1917
125th Warmest
Warmest since:
2012
Jan–Sep 1912
9-Month
40.93°F
(4.96°C)
42.86°F
(6.03°C)
-1.93°F
(-1.07°C)
2nd Coolest
Coolest since:
1917
127th Warmest
Warmest since:
2012
Dec 1911–Sep 1912
10-Month
39.10°F
(3.94°C)
40.84°F
(4.91°C)
-1.74°F
(-0.97°C)
3rd Coolest
Coolest since:
1917
125th Warmest
Warmest since:
2016
Nov 1911–Sep 1912
11-Month
37.91°F
(3.28°C)
39.91°F
(4.39°C)
-2.00°F
(-1.11°C)
3rd Coolest
Coolest since:
1917
125th Warmest
Warmest since:
2016
Oct 1911–Sep 1912
12-Month
38.17°F
(3.43°C)
40.04°F
(4.47°C)
-1.87°F
(-1.04°C)
3rd Coolest
Coolest since:
1917
125th Warmest
Warmest since:
2016
Apr 1911–Sep 1912
18-Month
42.89°F
(6.05°C)
44.09°F
(6.72°C)
-1.20°F
(-0.67°C)
5th Coolest
Coolest since:
1917
123rd Warmest
Warmest since:
2016
Oct 1910–Sep 1912
24-Month
39.32°F
(4.07°C)
40.04°F
(4.47°C)
-0.72°F
(-0.40°C)
8th Coolest
Coolest since:
1918
119th Warmest
Warmest since:
2017
Oct 1909–Sep 1912
36-Month
39.39°F
(4.11°C)
40.03°F
(4.46°C)
-0.64°F
(-0.35°C)
11th Coolest
Coolest since:
1918
115th Warmest
Warmest since:
2017, 2018
Oct 1908–Sep 1912
48-Month
39.49°F
(4.16°C)
40.01°F
(4.45°C)
-0.52°F
(-0.29°C)
13th Coolest
Coolest since:
1918
112th Warmest
Warmest since:
2018
Oct 1907–Sep 1912
60-Month
39.63°F
(4.24°C)
40.00°F
(4.44°C)
-0.37°F
(-0.20°C)
21st Coolest
Coolest since:
1920
103rd Warmest
Warmest since:
2019, 2020

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