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 1914

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1914
1-Month
51.53°F
(10.85°C)
51.90°F
(11.06°C)
-0.37°F
(-0.21°C)
44th Coolest
Coolest since:
1918
85th Warmest
Warmest since:
2019
Aug–Sep 1914
2-Month
55.11°F
(12.84°C)
55.48°F
(13.04°C)
-0.37°F
(-0.20°C)
39th Coolest
Coolest since:
1974
90th Warmest
Warmest since:
2019
Jul–Sep 1914
3-Month
57.04°F
(13.91°C)
57.16°F
(13.98°C)
-0.12°F
(-0.07°C)
47th Coolest
Coolest since:
1924
82nd Warmest
Warmest since:
2022
Jun–Sep 1914
4-Month
56.96°F
(13.87°C)
56.78°F
(13.77°C)
0.18°F
(0.10°C)
62nd Coolest
Coolest since:
1903
67th Warmest
Warmest since:
2021
May–Sep 1914
5-Month
55.21°F
(12.89°C)
54.91°F
(12.73°C)
0.30°F
(0.16°C)
68th Coolest
Coolest since:
1907, 1924
61st Warmest
Warmest since:
2018
Ties: 1911
Apr–Sep 1914
6-Month
52.53°F
(11.41°C)
52.19°F
(11.22°C)
0.34°F
(0.19°C)
72nd Coolest
Coolest since:
1907
57th Warmest
Warmest since:
2018
Mar–Sep 1914
7-Month
49.16°F
(9.53°C)
49.02°F
(9.46°C)
0.14°F
(0.07°C)
62nd Coolest
Coolest since:
1917
67th Warmest
Warmest since:
2012
Ties: 1958
Feb–Sep 1914
8-Month
45.29°F
(7.38°C)
45.74°F
(7.63°C)
-0.45°F
(-0.25°C)
29th Coolest
Coolest since:
1917
100th Warmest
Warmest since:
2012
Jan–Sep 1914
9-Month
42.98°F
(6.10°C)
42.85°F
(6.03°C)
0.13°F
(0.07°C)
68th Coolest
Coolest since:
1917
61st Warmest
Warmest since:
2012
Dec 1913–Sep 1914
10-Month
41.10°F
(5.06°C)
40.84°F
(4.91°C)
0.26°F
(0.15°C)
75th Coolest
Coolest since:
1917
53rd Warmest
Warmest since:
2016
Ties: 1896
Nov 1913–Sep 1914
11-Month
40.54°F
(4.74°C)
39.92°F
(4.40°C)
0.62°F
(0.34°C)
87th Coolest
Coolest since:
1917
41st Warmest
Warmest since:
2016
Oct 1913–Sep 1914
12-Month
40.47°F
(4.71°C)
40.05°F
(4.47°C)
0.42°F
(0.24°C)
83rd Coolest
Coolest since:
1917
45th Warmest
Warmest since:
2016
Ties: 1974
Apr 1913–Sep 1914
18-Month
44.27°F
(6.82°C)
44.09°F
(6.72°C)
0.18°F
(0.10°C)
70th Coolest
Coolest since:
1917
58th Warmest
Warmest since:
2016
Oct 1912–Sep 1914
24-Month
39.82°F
(4.34°C)
40.04°F
(4.47°C)
-0.22°F
(-0.13°C)
42nd Coolest
Coolest since:
1918
85th Warmest
Warmest since:
2017
Ties: 1920
Oct 1911–Sep 1914
36-Month
39.27°F
(4.04°C)
40.02°F
(4.46°C)
-0.75°F
(-0.42°C)
7th Coolest
Coolest since:
1918
119th Warmest
Warmest since:
2017, 2018
Ties: 1913
Oct 1910–Sep 1914
48-Month
39.57°F
(4.21°C)
40.01°F
(4.45°C)
-0.44°F
(-0.24°C)
18th Coolest
Coolest since:
1918
107th Warmest
Warmest since:
2018
Ties: 1965
Oct 1909–Sep 1914
60-Month
39.56°F
(4.20°C)
40.00°F
(4.44°C)
-0.44°F
(-0.24°C)
13th Coolest
Coolest since:
1920
111th Warmest
Warmest since:
2019, 2020
Ties: 1915

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