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 2017

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 2017
1-Month
42.93°F
(6.07°C)
41.41°F
(5.23°C)
1.52°F
(0.84°C)
103rd Coolest
Coolest since:
1917
26th Warmest
Warmest since:
1947
Ties: 1940
Sep–Oct 2017
2-Month
48.34°F
(9.08°C)
46.65°F
(8.14°C)
1.69°F
(0.94°C)
115th Coolest
Coolest since:
1917
14th Warmest
Warmest since:
2015
Aug–Oct 2017
3-Month
52.15°F
(11.19°C)
50.79°F
(10.44°C)
1.36°F
(0.75°C)
109th Coolest
Coolest since:
1917
20th Warmest
Warmest since:
2016
Jul–Oct 2017
4-Month
54.82°F
(12.68°C)
53.22°F
(11.79°C)
1.60°F
(0.89°C)
114th Coolest
Coolest since:
1976
15th Warmest
Warmest since:
2021
Jun–Oct 2017
5-Month
55.35°F
(12.97°C)
53.71°F
(12.06°C)
1.64°F
(0.91°C)
117th Coolest
Coolest since:
1917
12th Warmest
Warmest since:
2021
May–Oct 2017
6-Month
54.10°F
(12.28°C)
52.66°F
(11.48°C)
1.44°F
(0.80°C)
116th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
2018
Apr–Oct 2017
7-Month
52.33°F
(11.29°C)
50.66°F
(10.37°C)
1.67°F
(0.92°C)
121st Coolest
Coolest since:
1917
8th Warmest
Warmest since:
2015
Mar–Oct 2017
8-Month
50.10°F
(10.06°C)
48.08°F
(8.93°C)
2.02°F
(1.13°C)
122nd Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2016
Feb–Oct 2017
9-Month
47.89°F
(8.83°C)
45.27°F
(7.37°C)
2.62°F
(1.46°C)
126th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2016
Jan–Oct 2017
10-Month
45.53°F
(7.52°C)
42.71°F
(5.95°C)
2.82°F
(1.57°C)
126th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2016
Dec 2016–Oct 2017
11-Month
43.51°F
(6.39°C)
40.89°F
(4.94°C)
2.62°F
(1.45°C)
124th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2016
Nov 2016–Oct 2017
12-Month
42.91°F
(6.06°C)
40.04°F
(4.47°C)
2.87°F
(1.59°C)
126th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2016
May 2016–Oct 2017
18-Month
46.99°F
(8.33°C)
44.25°F
(6.81°C)
2.74°F
(1.52°C)
126th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2016
Nov 2015–Oct 2017
24-Month
43.17°F
(6.21°C)
40.04°F
(4.47°C)
3.13°F
(1.74°C)
126th Coolest
Coolest since:
1917, 1918
1st Warmest
Warmest to Date
2017
Nov 2014–Oct 2017
36-Month
42.83°F
(6.02°C)
40.02°F
(4.46°C)
2.81°F
(1.56°C)
125th Coolest
Coolest since:
1918
1st Warmest
Warmest to Date
2017
Nov 2013–Oct 2017
48-Month
42.20°F
(5.67°C)
40.01°F
(4.45°C)
2.19°F
(1.22°C)
122nd Coolest
Coolest since:
1918
3rd Warmest
Warmest to Date
2018
Nov 2012–Oct 2017
60-Month
42.01°F
(5.56°C)
40.00°F
(4.44°C)
2.01°F
(1.12°C)
119th Coolest
Coolest since:
1920
5th Warmest
Warmest to Date
2019, 2020

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