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 1909

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
October 1909
1-Month
39.45°F
(4.14°C)
41.41°F
(5.23°C)
-1.96°F
(-1.09°C)
11th Coolest
Coolest since:
1917
118th Warmest
Warmest since:
1947
Sep–Oct 1909
2-Month
45.46°F
(7.48°C)
46.66°F
(8.14°C)
-1.20°F
(-0.66°C)
17th Coolest
Coolest since:
1917
112th Warmest
Warmest since:
2015
Aug–Oct 1909
3-Month
50.23°F
(10.13°C)
50.79°F
(10.44°C)
-0.56°F
(-0.31°C)
28th Coolest
Coolest since:
1917
101st Warmest
Warmest since:
2016
Jul–Oct 1909
4-Month
52.67°F
(11.48°C)
53.22°F
(11.79°C)
-0.55°F
(-0.31°C)
22nd Coolest
Coolest since:
1976
107th Warmest
Warmest since:
2021
Ties: 1993
Jun–Oct 1909
5-Month
53.42°F
(11.90°C)
53.71°F
(12.06°C)
-0.29°F
(-0.16°C)
37th Coolest
Coolest since:
1917
92nd Warmest
Warmest since:
2021
May–Oct 1909
6-Month
52.06°F
(11.14°C)
52.67°F
(11.48°C)
-0.61°F
(-0.34°C)
18th Coolest
Coolest since:
1917
111th Warmest
Warmest since:
2018
Ties: 1965, 1966
Apr–Oct 1909
7-Month
49.82°F
(9.90°C)
50.66°F
(10.37°C)
-0.84°F
(-0.47°C)
10th Coolest
Coolest since:
1917
119th Warmest
Warmest since:
2015
Ties: 1945
Mar–Oct 1909
8-Month
47.26°F
(8.48°C)
48.07°F
(8.93°C)
-0.81°F
(-0.45°C)
13th Coolest
Coolest since:
1917
116th Warmest
Warmest since:
2016
Ties: 1913, 1923
Feb–Oct 1909
9-Month
44.67°F
(7.04°C)
45.27°F
(7.37°C)
-0.60°F
(-0.33°C)
22nd Coolest
Coolest since:
1917
107th Warmest
Warmest since:
2016
Jan–Oct 1909
10-Month
42.42°F
(5.79°C)
42.71°F
(5.95°C)
-0.29°F
(-0.16°C)
42nd Coolest
Coolest since:
1917
87th Warmest
Warmest since:
2016
Dec 1908–Oct 1909
11-Month
40.68°F
(4.82°C)
40.89°F
(4.94°C)
-0.21°F
(-0.12°C)
45th Coolest
Coolest since:
1917
83rd Warmest
Warmest since:
2016
Ties: 1944
Nov 1908–Oct 1909
12-Month
39.84°F
(4.36°C)
40.04°F
(4.47°C)
-0.20°F
(-0.11°C)
45th Coolest
Coolest since:
1917
83rd Warmest
Warmest since:
2016
Ties: 1975
May 1908–Oct 1909
18-Month
43.77°F
(6.54°C)
44.25°F
(6.81°C)
-0.48°F
(-0.27°C)
22nd Coolest
Coolest since:
1917
106th Warmest
Warmest since:
2016
Nov 1907–Oct 1909
24-Month
39.93°F
(4.41°C)
40.04°F
(4.47°C)
-0.11°F
(-0.06°C)
51st Coolest
Coolest since:
1917, 1918
76th Warmest
Warmest since:
2017
Ties: 1914
Nov 1906–Oct 1909
36-Month
39.88°F
(4.38°C)
40.02°F
(4.46°C)
-0.14°F
(-0.08°C)
48th Coolest
Coolest since:
1918
78th Warmest
Warmest since:
2017
Nov 1905–Oct 1909
48-Month
39.87°F
(4.37°C)
40.01°F
(4.45°C)
-0.14°F
(-0.08°C)
44th Coolest
Coolest since:
1918
81st Warmest
Warmest since:
2018
Nov 1904–Oct 1909
60-Month
39.77°F
(4.32°C)
40.00°F
(4.44°C)
-0.23°F
(-0.12°C)
32nd Coolest
Coolest since:
1920
92nd Warmest
Warmest since:
2019, 2020

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