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 2018

View Period (Months):
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  • Record Coolest
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  • Bottom 1/3
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
October 2018
1-Month
43.03°F
(6.13°C)
41.41°F
(5.23°C)
1.62°F
(0.90°C)
106th Coolest
Coolest since:
1917
23rd Warmest
Warmest since:
1947
Sep–Oct 2018
2-Month
49.37°F
(9.65°C)
46.66°F
(8.14°C)
2.71°F
(1.51°C)
122nd Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2015
Aug–Oct 2018
3-Month
53.26°F
(11.81°C)
50.79°F
(10.44°C)
2.47°F
(1.37°C)
123rd Coolest
Coolest since:
1917
6th Warmest
Warmest since:
2016
Jul–Oct 2018
4-Month
55.62°F
(13.12°C)
53.23°F
(11.79°C)
2.39°F
(1.33°C)
123rd Coolest
Coolest since:
1976
6th Warmest
Warmest since:
2021
Jun–Oct 2018
5-Month
56.28°F
(13.49°C)
53.71°F
(12.06°C)
2.57°F
(1.43°C)
125th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2021
May–Oct 2018
6-Month
55.67°F
(13.15°C)
52.67°F
(11.48°C)
3.00°F
(1.67°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
2018
Apr–Oct 2018
7-Month
52.88°F
(11.60°C)
50.65°F
(10.36°C)
2.23°F
(1.24°C)
125th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2015
Mar–Oct 2018
8-Month
50.20°F
(10.11°C)
48.07°F
(8.93°C)
2.13°F
(1.18°C)
124th Coolest
Coolest since:
1917
5th Warmest
Warmest since:
2016
Feb–Oct 2018
9-Month
47.33°F
(8.52°C)
45.26°F
(7.37°C)
2.07°F
(1.15°C)
123rd Coolest
Coolest since:
1917
6th Warmest
Warmest since:
2016
Jan–Oct 2018
10-Month
44.72°F
(7.07°C)
42.72°F
(5.96°C)
2.00°F
(1.11°C)
120th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
2016
Dec 2017–Oct 2018
11-Month
42.81°F
(6.01°C)
40.89°F
(4.94°C)
1.92°F
(1.07°C)
119th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
2016
Nov 2017–Oct 2018
12-Month
42.06°F
(5.59°C)
40.04°F
(4.47°C)
2.02°F
(1.12°C)
119th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
2016
May 2017–Oct 2018
18-Month
46.08°F
(7.82°C)
44.25°F
(6.81°C)
1.83°F
(1.01°C)
120th Coolest
Coolest since:
1917
8th Warmest
Warmest since:
2016
Nov 2016–Oct 2018
24-Month
42.49°F
(5.83°C)
40.04°F
(4.47°C)
2.45°F
(1.36°C)
124th Coolest
Coolest since:
1917, 1918
3rd Warmest
Warmest since:
2017
Nov 2015–Oct 2018
36-Month
42.80°F
(6.00°C)
40.02°F
(4.46°C)
2.78°F
(1.54°C)
124th Coolest
Coolest since:
1918
2nd Warmest
Warmest since:
2017
Nov 2014–Oct 2018
48-Month
42.64°F
(5.91°C)
40.01°F
(4.45°C)
2.63°F
(1.46°C)
124th Coolest
Coolest since:
1918
1st Warmest
Warmest to Date
2018
Nov 2013–Oct 2018
60-Month
42.17°F
(5.65°C)
40.00°F
(4.44°C)
2.17°F
(1.21°C)
121st Coolest
Coolest since:
1920
3rd Warmest
Warmest to Date
2019, 2020

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