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, October 2020

View Period (Months):
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  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
October 2020
1-Month
41.59°F
(5.33°C)
41.41°F
(5.23°C)
0.18°F
(0.10°C)
70th Coolest
Coolest since:
1917
59th Warmest
Warmest since:
1947
Ties: 1997
Sep–Oct 2020
2-Month
47.29°F
(8.49°C)
46.66°F
(8.14°C)
0.63°F
(0.35°C)
80th Coolest
Coolest since:
1917
49th Warmest
Warmest since:
2015
Aug–Oct 2020
3-Month
52.05°F
(11.14°C)
50.79°F
(10.44°C)
1.26°F
(0.70°C)
107th Coolest
Coolest since:
1917
22nd Warmest
Warmest since:
2016
Jul–Oct 2020
4-Month
54.76°F
(12.64°C)
53.23°F
(11.79°C)
1.53°F
(0.85°C)
113th Coolest
Coolest since:
1976
16th Warmest
Warmest since:
2021
Ties: 1947
Jun–Oct 2020
5-Month
55.31°F
(12.95°C)
53.71°F
(12.06°C)
1.60°F
(0.89°C)
114th Coolest
Coolest since:
1917
15th Warmest
Warmest since:
2021
May–Oct 2020
6-Month
54.16°F
(12.31°C)
52.67°F
(11.48°C)
1.49°F
(0.83°C)
118th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
2018
Apr–Oct 2020
7-Month
51.87°F
(11.04°C)
50.66°F
(10.37°C)
1.21°F
(0.67°C)
108th Coolest
Coolest since:
1917
21st Warmest
Warmest since:
2015
Mar–Oct 2020
8-Month
49.81°F
(9.89°C)
48.07°F
(8.93°C)
1.74°F
(0.96°C)
120th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
2016
Ties: 1998
Feb–Oct 2020
9-Month
47.08°F
(8.38°C)
45.27°F
(7.37°C)
1.81°F
(1.01°C)
120th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
2016
Jan–Oct 2020
10-Month
44.97°F
(7.21°C)
42.71°F
(5.95°C)
2.26°F
(1.26°C)
124th Coolest
Coolest since:
1917
5th Warmest
Warmest since:
2016
Ties: 2021
Dec 2019–Oct 2020
11-Month
43.32°F
(6.29°C)
40.89°F
(4.94°C)
2.43°F
(1.35°C)
122nd Coolest
Coolest since:
1917
6th Warmest
Warmest since:
2016
Nov 2019–Oct 2020
12-Month
42.20°F
(5.67°C)
40.04°F
(4.47°C)
2.16°F
(1.20°C)
121st Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2016
May 2019–Oct 2020
18-Month
46.12°F
(7.84°C)
44.25°F
(6.81°C)
1.87°F
(1.03°C)
121st Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2016
Nov 2018–Oct 2020
24-Month
41.71°F
(5.39°C)
40.03°F
(4.46°C)
1.68°F
(0.93°C)
114th Coolest
Coolest since:
1917, 1918
13th Warmest
Warmest since:
2017
Nov 2017–Oct 2020
36-Month
41.83°F
(5.46°C)
40.02°F
(4.46°C)
1.81°F
(1.00°C)
117th Coolest
Coolest since:
1918
9th Warmest
Warmest since:
2017
Nov 2016–Oct 2020
48-Month
42.10°F
(5.61°C)
40.01°F
(4.45°C)
2.09°F
(1.16°C)
121st Coolest
Coolest since:
1918
4th Warmest
Warmest since:
2018
Nov 2015–Oct 2020
60-Month
42.36°F
(5.76°C)
40.00°F
(4.44°C)
2.36°F
(1.32°C)
123rd Coolest
Coolest since:
1920
1st Warmest
Warmest since:
2019, 2020
Ties: 2019

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