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 1948

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
September 1948
1-Month
66.07°F
(18.93°C)
64.86°F
(18.26°C)
1.21°F
(0.67°C)
91st Coolest
Coolest since:
1965
38th Warmest
Warmest since:
1998
Aug–Sep 1948
2-Month
69.06°F
(20.59°C)
68.48°F
(20.27°C)
0.58°F
(0.32°C)
81st Coolest
Coolest since:
1974
48th Warmest
Warmest since:
1998
Jul–Sep 1948
3-Month
70.46°F
(21.37°C)
70.19°F
(21.22°C)
0.27°F
(0.15°C)
70th Coolest
Coolest since:
1950
59th Warmest
Warmest since:
2022
Ties: 1994
Jun–Sep 1948
4-Month
70.04°F
(21.13°C)
69.77°F
(20.98°C)
0.27°F
(0.15°C)
67th Coolest
Coolest since:
1903
62nd Warmest
Warmest since:
2021, 2022
Ties: 1947
May–Sep 1948
5-Month
68.08°F
(20.04°C)
67.85°F
(19.92°C)
0.23°F
(0.12°C)
61st Coolest
Coolest since:
1907
68th Warmest
Warmest since:
2018
Ties: 1897
Apr–Sep 1948
6-Month
65.62°F
(18.68°C)
65.05°F
(18.36°C)
0.57°F
(0.32°C)
83rd Coolest
Coolest since:
1907
46th Warmest
Warmest since:
2012
Ties: 1969
Mar–Sep 1948
7-Month
61.78°F
(16.54°C)
61.69°F
(16.49°C)
0.09°F
(0.05°C)
63rd Coolest
Coolest since:
1912
66th Warmest
Warmest since:
2012
Feb–Sep 1948
8-Month
58.01°F
(14.45°C)
58.21°F
(14.56°C)
-0.20°F
(-0.11°C)
44th Coolest
Coolest since:
1917
85th Warmest
Warmest since:
2012
Jan–Sep 1948
9-Month
54.66°F
(12.59°C)
55.08°F
(12.82°C)
-0.42°F
(-0.23°C)
35th Coolest
Coolest since:
1912
94th Warmest
Warmest since:
2012
Ties: 1897, 1964, 1969
Dec 1947–Sep 1948
10-Month
52.49°F
(11.38°C)
52.85°F
(11.58°C)
-0.36°F
(-0.20°C)
35th Coolest
Coolest since:
1917
93rd Warmest
Warmest since:
2012
Nov 1947–Sep 1948
11-Month
51.18°F
(10.66°C)
51.84°F
(11.02°C)
-0.66°F
(-0.36°C)
17th Coolest
Coolest since:
1912
111th Warmest
Warmest since:
2012
Ties: 1978
Oct 1947–Sep 1948
12-Month
51.81°F
(11.01°C)
52.03°F
(11.13°C)
-0.22°F
(-0.12°C)
42nd Coolest
Coolest since:
1912
86th Warmest
Warmest since:
2012
Ties: 1944
Apr 1947–Sep 1948
18-Month
56.28°F
(13.49°C)
56.37°F
(13.54°C)
-0.09°F
(-0.05°C)
49th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2012
Ties: 1927
Oct 1946–Sep 1948
24-Month
51.92°F
(11.07°C)
52.02°F
(11.12°C)
-0.10°F
(-0.05°C)
53rd Coolest
Coolest since:
1913, 1918
74th Warmest
Warmest since:
2017
Ties: 1921, 1976
Oct 1945–Sep 1948
36-Month
52.10°F
(11.17°C)
52.00°F
(11.11°C)
0.10°F
(0.06°C)
64th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
2018
Ties: 1944
Oct 1944–Sep 1948
48-Month
52.06°F
(11.14°C)
51.99°F
(11.11°C)
0.07°F
(0.03°C)
64th Coolest
Coolest since:
1918
61st Warmest
Warmest since:
2018
Ties: 1945, 1947, 1958
Oct 1943–Sep 1948
60-Month
52.01°F
(11.12°C)
51.98°F
(11.10°C)
0.03°F
(0.02°C)
61st Coolest
Coolest since:
1920
63rd Warmest
Warmest since:
2020

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