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, September 1906

View Period (Months):
Download: csv json xml
  • 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
September 1906
1-Month
53.71°F
(12.06°C)
51.90°F
(11.06°C)
1.81°F
(1.00°C)
108th Coolest
Coolest since:
1918
21st Warmest
Warmest to Date
2019
Ties: 1921
Aug–Sep 1906
2-Month
56.66°F
(13.70°C)
55.48°F
(13.04°C)
1.18°F
(0.66°C)
101st Coolest
Coolest since:
1974
28th Warmest
Warmest to Date
2019
Ties: 1995
Jul–Sep 1906
3-Month
57.63°F
(14.24°C)
57.17°F
(13.98°C)
0.46°F
(0.26°C)
80th Coolest
Coolest since:
1924
49th Warmest
Warmest since:
2022
Ties: 1947
Jun–Sep 1906
4-Month
56.89°F
(13.83°C)
56.78°F
(13.77°C)
0.11°F
(0.06°C)
58th Coolest
Coolest since:
1903
71st Warmest
Warmest since:
2021
May–Sep 1906
5-Month
54.94°F
(12.74°C)
54.91°F
(12.73°C)
0.03°F
(0.01°C)
55th Coolest
Coolest since:
1907, 1924
74th Warmest
Warmest since:
2018
Ties: 1943
Apr–Sep 1906
6-Month
52.47°F
(11.37°C)
52.20°F
(11.22°C)
0.27°F
(0.15°C)
68th Coolest
Coolest since:
1907
61st Warmest
Warmest since:
2018
Ties: 1989
Mar–Sep 1906
7-Month
48.67°F
(9.26°C)
49.02°F
(9.46°C)
-0.35°F
(-0.20°C)
32nd Coolest
Coolest since:
1917
97th Warmest
Warmest since:
2012
Feb–Sep 1906
8-Month
45.39°F
(7.44°C)
45.75°F
(7.64°C)
-0.36°F
(-0.20°C)
35th Coolest
Coolest since:
1917
94th Warmest
Warmest since:
2012
Jan–Sep 1906
9-Month
42.83°F
(6.02°C)
42.86°F
(6.03°C)
-0.03°F
(-0.01°C)
57th Coolest
Coolest since:
1917
72nd Warmest
Warmest since:
2012
Dec 1905–Sep 1906
10-Month
40.66°F
(4.81°C)
40.84°F
(4.91°C)
-0.18°F
(-0.10°C)
44th Coolest
Coolest since:
1917
84th Warmest
Warmest since:
2016
Ties: 1961
Nov 1905–Sep 1906
11-Month
39.78°F
(4.32°C)
39.91°F
(4.39°C)
-0.13°F
(-0.07°C)
47th Coolest
Coolest since:
1917
81st Warmest
Warmest since:
2016
Oct 1905–Sep 1906
12-Month
39.76°F
(4.31°C)
40.04°F
(4.47°C)
-0.28°F
(-0.16°C)
39th Coolest
Coolest since:
1917
89th Warmest
Warmest since:
2016
Ties: 1975
Apr 1905–Sep 1906
18-Month
43.92°F
(6.62°C)
44.09°F
(6.72°C)
-0.17°F
(-0.10°C)
42nd Coolest
Coolest since:
1917
86th Warmest
Warmest since:
2016
Oct 1904–Sep 1906
24-Month
39.66°F
(4.26°C)
40.04°F
(4.47°C)
-0.38°F
(-0.21°C)
28th Coolest
Coolest since:
1918
99th Warmest
Warmest since:
2017
Ties: 1910, 1962
Oct 1903–Sep 1906
36-Month
39.29°F
(4.05°C)
40.02°F
(4.46°C)
-0.73°F
(-0.41°C)
9th Coolest
Coolest since:
1918
117th Warmest
Warmest since:
2017, 2018
Oct 1902–Sep 1906
48-Month
39.33°F
(4.07°C)
40.01°F
(4.45°C)
-0.68°F
(-0.38°C)
6th Coolest
Coolest since:
1918
119th Warmest
Warmest since:
2018
Ties: 1913, 1915
Oct 1901–Sep 1906
60-Month
39.36°F
(4.09°C)
40.00°F
(4.44°C)
-0.64°F
(-0.35°C)
5th Coolest
Coolest since:
1920
119th Warmest
Warmest since:
2019, 2020
Ties: 1916

Citing This Page