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 1977

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  • Record Coolest
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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 1977
1-Month
41.27°F
(5.15°C)
41.41°F
(5.23°C)
-0.14°F
(-0.08°C)
56th Coolest
Coolest since:
1917
73rd Warmest
Warmest since:
1947
Sep–Oct 1977
2-Month
47.67°F
(8.71°C)
46.66°F
(8.14°C)
1.01°F
(0.57°C)
99th Coolest
Coolest since:
1917
30th Warmest
Warmest since:
2015
Aug–Oct 1977
3-Month
51.63°F
(10.91°C)
50.79°F
(10.44°C)
0.84°F
(0.47°C)
99th Coolest
Coolest since:
1917
30th Warmest
Warmest since:
2016
Ties: 2002
Jul–Oct 1977
4-Month
54.06°F
(12.26°C)
53.23°F
(11.79°C)
0.83°F
(0.47°C)
98th Coolest
Coolest since:
1976
31st Warmest
Warmest since:
2021
Jun–Oct 1977
5-Month
54.67°F
(12.59°C)
53.71°F
(12.06°C)
0.96°F
(0.53°C)
102nd Coolest
Coolest since:
1917
27th Warmest
Warmest since:
2021
May–Oct 1977
6-Month
53.76°F
(12.09°C)
52.66°F
(11.48°C)
1.10°F
(0.61°C)
105th Coolest
Coolest since:
1917
24th Warmest
Warmest since:
2018
Apr–Oct 1977
7-Month
51.88°F
(11.04°C)
50.66°F
(10.37°C)
1.22°F
(0.67°C)
110th Coolest
Coolest since:
1917
19th Warmest
Warmest since:
2015
Ties: 2005
Mar–Oct 1977
8-Month
49.32°F
(9.62°C)
48.08°F
(8.93°C)
1.24°F
(0.69°C)
110th Coolest
Coolest since:
1917
19th Warmest
Warmest to Date
2016
Feb–Oct 1977
9-Month
46.45°F
(8.03°C)
45.26°F
(7.37°C)
1.19°F
(0.66°C)
109th Coolest
Coolest since:
1917
20th Warmest
Warmest since:
2016
Ties: 2006
Jan–Oct 1977
10-Month
43.06°F
(6.14°C)
42.71°F
(5.95°C)
0.35°F
(0.19°C)
78th Coolest
Coolest since:
1917
51st Warmest
Warmest since:
2016
Ties: 1957
Dec 1976–Oct 1977
11-Month
40.84°F
(4.91°C)
40.89°F
(4.94°C)
-0.05°F
(-0.03°C)
51st Coolest
Coolest since:
1917
77th Warmest
Warmest since:
2016
Ties: 1930, 1959
Nov 1976–Oct 1977
12-Month
39.64°F
(4.24°C)
40.04°F
(4.47°C)
-0.40°F
(-0.23°C)
30th Coolest
Coolest since:
1917
98th Warmest
Warmest since:
2016
Ties: 1923
May 1976–Oct 1977
18-Month
43.44°F
(6.36°C)
44.25°F
(6.81°C)
-0.81°F
(-0.45°C)
7th Coolest
Coolest since:
1917
121st Warmest
Warmest since:
2016
Ties: 1916, 1929, 1979
Nov 1975–Oct 1977
24-Month
39.67°F
(4.26°C)
40.03°F
(4.46°C)
-0.36°F
(-0.20°C)
29th Coolest
Coolest since:
1917, 1918
98th Warmest
Warmest since:
2017
Nov 1974–Oct 1977
36-Month
39.73°F
(4.29°C)
40.03°F
(4.46°C)
-0.30°F
(-0.17°C)
32nd Coolest
Coolest since:
1918
94th Warmest
Warmest since:
2017
Ties: 1900, 1968
Nov 1973–Oct 1977
48-Month
39.86°F
(4.37°C)
40.01°F
(4.45°C)
-0.15°F
(-0.08°C)
43rd Coolest
Coolest since:
1918
82nd Warmest
Warmest since:
2018
Nov 1972–Oct 1977
60-Month
39.94°F
(4.41°C)
40.00°F
(4.44°C)
-0.06°F
(-0.03°C)
51st Coolest
Coolest since:
1920
73rd Warmest
Warmest since:
2019, 2020
Ties: 1931

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