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.

Average Temperature Rankings, September 1951

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1951
1-Month
64.09°F
(17.83°C)
64.86°F
(18.26°C)
-0.77°F
(-0.43°C)
31st Coolest
Coolest since:
1965
98th Warmest
Warmest since:
1998
Ties: 1917
Aug–Sep 1951
2-Month
67.99°F
(19.99°C)
68.48°F
(20.27°C)
-0.49°F
(-0.28°C)
34th Coolest
Coolest since:
1974
95th Warmest
Warmest since:
1998
Jul–Sep 1951
3-Month
69.89°F
(21.05°C)
70.19°F
(21.22°C)
-0.30°F
(-0.17°C)
41st Coolest
Coolest since:
1950
88th Warmest
Warmest since:
2022
Ties: 1911
Jun–Sep 1951
4-Month
69.08°F
(20.60°C)
69.76°F
(20.98°C)
-0.68°F
(-0.38°C)
26th Coolest
Coolest since:
1903
103rd Warmest
Warmest since:
2022
May–Sep 1951
5-Month
67.42°F
(19.68°C)
67.86°F
(19.92°C)
-0.44°F
(-0.24°C)
32nd Coolest
Coolest since:
1907
97th Warmest
Warmest since:
2018
Apr–Sep 1951
6-Month
64.47°F
(18.04°C)
65.05°F
(18.36°C)
-0.58°F
(-0.32°C)
25th Coolest
Coolest since:
1907
104th Warmest
Warmest since:
2012
Mar–Sep 1951
7-Month
60.77°F
(15.98°C)
61.69°F
(16.49°C)
-0.92°F
(-0.51°C)
11th Coolest
Coolest since:
1912
118th Warmest
Warmest since:
2012
Feb–Sep 1951
8-Month
57.49°F
(14.16°C)
58.21°F
(14.56°C)
-0.72°F
(-0.40°C)
22nd Coolest
Coolest since:
1917
107th Warmest
Warmest since:
2012
Ties: 1960
Jan–Sep 1951
9-Month
54.46°F
(12.48°C)
55.09°F
(12.83°C)
-0.63°F
(-0.35°C)
27th Coolest
Coolest since:
1912
102nd Warmest
Warmest since:
2012
Ties: 1902, 1962
Dec 1950–Sep 1951
10-Month
52.31°F
(11.28°C)
52.85°F
(11.58°C)
-0.54°F
(-0.30°C)
29th Coolest
Coolest since:
1917
99th Warmest
Warmest since:
2012
Nov 1950–Sep 1951
11-Month
51.25°F
(10.69°C)
51.84°F
(11.02°C)
-0.59°F
(-0.33°C)
24th Coolest
Coolest since:
1912
104th Warmest
Warmest since:
2012
Oct 1950–Sep 1951
12-Month
51.77°F
(10.98°C)
52.03°F
(11.13°C)
-0.26°F
(-0.15°C)
40th Coolest
Coolest since:
1912
88th Warmest
Warmest since:
2012
Ties: 1909
Apr 1950–Sep 1951
18-Month
55.67°F
(13.15°C)
56.37°F
(13.54°C)
-0.70°F
(-0.39°C)
15th Coolest
Coolest since:
1917
113th Warmest
Warmest since:
2012
Ties: 1993
Oct 1949–Sep 1951
24-Month
51.64°F
(10.91°C)
52.02°F
(11.12°C)
-0.38°F
(-0.21°C)
27th Coolest
Coolest since:
1913, 1918
100th Warmest
Warmest since:
2017
Oct 1948–Sep 1951
36-Month
51.62°F
(10.90°C)
52.00°F
(11.11°C)
-0.38°F
(-0.21°C)
23rd Coolest
Coolest since:
1917
103rd Warmest
Warmest since:
2018
Ties: 1916, 1973
Oct 1947–Sep 1951
48-Month
51.67°F
(10.93°C)
51.99°F
(11.11°C)
-0.32°F
(-0.18°C)
26th Coolest
Coolest since:
1918
99th Warmest
Warmest since:
2018
Ties: 1965
Oct 1946–Sep 1951
60-Month
51.74°F
(10.97°C)
51.98°F
(11.10°C)
-0.24°F
(-0.13°C)
30th Coolest
Coolest since:
1920
94th Warmest
Warmest since:
2020
Ties: 1952, 1975

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