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 1920

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1920
1-Month
52.70°F
(11.50°C)
51.90°F
(11.06°C)
0.80°F
(0.44°C)
83rd Coolest
Coolest since:
1918
46th Warmest
Warmest since:
2019
Aug–Sep 1920
2-Month
55.32°F
(12.96°C)
55.48°F
(13.04°C)
-0.16°F
(-0.08°C)
43rd Coolest
Coolest since:
1974
86th Warmest
Warmest since:
2019
Ties: 1913, 1984
Jul–Sep 1920
3-Month
56.67°F
(13.71°C)
57.17°F
(13.98°C)
-0.50°F
(-0.27°C)
28th Coolest
Coolest since:
1924
101st Warmest
Warmest since:
2022
Ties: 1929
Jun–Sep 1920
4-Month
56.17°F
(13.43°C)
56.78°F
(13.77°C)
-0.61°F
(-0.34°C)
24th Coolest
Coolest since:
1903
105th Warmest
Warmest since:
2021
Ties: 1918
May–Sep 1920
5-Month
54.30°F
(12.39°C)
54.91°F
(12.73°C)
-0.61°F
(-0.34°C)
22nd Coolest
Coolest since:
1907, 1924
107th Warmest
Warmest since:
2018
Apr–Sep 1920
6-Month
51.16°F
(10.64°C)
52.20°F
(11.22°C)
-1.04°F
(-0.58°C)
7th Coolest
Coolest since:
1907
122nd Warmest
Warmest since:
2018
Mar–Sep 1920
7-Month
47.94°F
(8.86°C)
49.02°F
(9.46°C)
-1.08°F
(-0.60°C)
5th Coolest
Coolest since:
1917
124th Warmest
Warmest since:
2012
Feb–Sep 1920
8-Month
44.86°F
(7.14°C)
45.74°F
(7.63°C)
-0.88°F
(-0.49°C)
14th Coolest
Coolest since:
1917
115th Warmest
Warmest since:
2012
Jan–Sep 1920
9-Month
42.01°F
(5.56°C)
42.86°F
(6.03°C)
-0.85°F
(-0.47°C)
16th Coolest
Coolest since:
1917
113th Warmest
Warmest since:
2012
Ties: 1971
Dec 1919–Sep 1920
10-Month
39.65°F
(4.25°C)
40.84°F
(4.91°C)
-1.19°F
(-0.66°C)
9th Coolest
Coolest since:
1917
119th Warmest
Warmest since:
2016
Nov 1919–Sep 1920
11-Month
38.65°F
(3.69°C)
39.92°F
(4.40°C)
-1.27°F
(-0.71°C)
6th Coolest
Coolest since:
1917
122nd Warmest
Warmest since:
2016
Oct 1919–Sep 1920
12-Month
38.91°F
(3.84°C)
40.05°F
(4.47°C)
-1.14°F
(-0.63°C)
7th Coolest
Coolest since:
1917
121st Warmest
Warmest since:
2016
Apr 1919–Sep 1920
18-Month
43.48°F
(6.38°C)
44.10°F
(6.72°C)
-0.62°F
(-0.34°C)
15th Coolest
Coolest since:
1917
113th Warmest
Warmest since:
2016
Oct 1918–Sep 1920
24-Month
39.82°F
(4.34°C)
40.04°F
(4.47°C)
-0.22°F
(-0.13°C)
42nd Coolest
Coolest since:
1918
85th Warmest
Warmest since:
2017
Ties: 1914
Oct 1917–Sep 1920
36-Month
39.42°F
(4.12°C)
40.02°F
(4.46°C)
-0.60°F
(-0.34°C)
12th Coolest
Coolest since:
1918
114th Warmest
Warmest since:
2017, 2018
Ties: 1951
Oct 1916–Sep 1920
48-Month
38.95°F
(3.86°C)
40.01°F
(4.45°C)
-1.06°F
(-0.59°C)
2nd Coolest
Coolest since:
1918
123rd Warmest
Warmest since:
2018
Oct 1915–Sep 1920
60-Month
39.06°F
(3.92°C)
40.00°F
(4.44°C)
-0.94°F
(-0.52°C)
1st Coolest
Coolest since:
1920
123rd Warmest
Warmest since:
2019, 2020

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