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 1973

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1973
1-Month
64.40°F
(18.00°C)
64.86°F
(18.26°C)
-0.46°F
(-0.26°C)
41st Coolest
Coolest since:
1965
88th Warmest
Warmest since:
1998
Ties: 1909
Aug–Sep 1973
2-Month
68.51°F
(20.28°C)
68.48°F
(20.27°C)
0.03°F
(0.01°C)
55th Coolest
Coolest since:
1974
74th Warmest
Warmest since:
1998
Ties: 1981
Jul–Sep 1973
3-Month
70.09°F
(21.16°C)
70.19°F
(21.22°C)
-0.10°F
(-0.06°C)
54th Coolest
Coolest since:
1950
75th Warmest
Warmest since:
2022
Jun–Sep 1973
4-Month
69.80°F
(21.00°C)
69.76°F
(20.98°C)
0.04°F
(0.02°C)
53rd Coolest
Coolest since:
1903
76th Warmest
Warmest since:
2022
Ties: 1897, 1910
May–Sep 1973
5-Month
67.69°F
(19.83°C)
67.85°F
(19.92°C)
-0.16°F
(-0.09°C)
45th Coolest
Coolest since:
1907
84th Warmest
Warmest since:
2018
Ties: 1957
Apr–Sep 1973
6-Month
64.55°F
(18.08°C)
65.06°F
(18.37°C)
-0.51°F
(-0.29°C)
31st Coolest
Coolest since:
1907
98th Warmest
Warmest since:
2012
Ties: 1979
Mar–Sep 1973
7-Month
61.65°F
(16.47°C)
61.68°F
(16.49°C)
-0.03°F
(-0.02°C)
52nd Coolest
Coolest since:
1912
77th Warmest
Warmest since:
2012
Ties: 1966, 1992
Feb–Sep 1973
8-Month
58.14°F
(14.52°C)
58.20°F
(14.56°C)
-0.06°F
(-0.04°C)
48th Coolest
Coolest since:
1917
81st Warmest
Warmest since:
2012
Jan–Sep 1973
9-Month
54.97°F
(12.76°C)
55.08°F
(12.82°C)
-0.11°F
(-0.06°C)
51st Coolest
Coolest since:
1912
78th Warmest
Warmest since:
2012
Dec 1972–Sep 1973
10-Month
52.46°F
(11.37°C)
52.85°F
(11.58°C)
-0.39°F
(-0.21°C)
34th Coolest
Coolest since:
1917
94th Warmest
Warmest since:
2012
Nov 1972–Sep 1973
11-Month
51.23°F
(10.68°C)
51.84°F
(11.02°C)
-0.61°F
(-0.34°C)
21st Coolest
Coolest since:
1912
107th Warmest
Warmest since:
2012
Ties: 1913
Oct 1972–Sep 1973
12-Month
51.32°F
(10.73°C)
52.03°F
(11.13°C)
-0.71°F
(-0.40°C)
15th Coolest
Coolest since:
1912
113th Warmest
Warmest since:
2012
Apr 1972–Sep 1973
18-Month
55.76°F
(13.20°C)
56.37°F
(13.54°C)
-0.61°F
(-0.34°C)
22nd Coolest
Coolest since:
1917
106th Warmest
Warmest since:
2012
Oct 1971–Sep 1973
24-Month
51.74°F
(10.97°C)
52.01°F
(11.12°C)
-0.27°F
(-0.15°C)
34th Coolest
Coolest since:
1913, 1918
93rd Warmest
Warmest since:
2017
Oct 1970–Sep 1973
36-Month
51.62°F
(10.90°C)
52.01°F
(11.12°C)
-0.39°F
(-0.22°C)
23rd Coolest
Coolest since:
1917
103rd Warmest
Warmest since:
2018
Ties: 1916, 1951
Oct 1969–Sep 1973
48-Month
51.59°F
(10.88°C)
51.99°F
(11.11°C)
-0.40°F
(-0.23°C)
20th Coolest
Coolest since:
1918
105th Warmest
Warmest since:
2018
Oct 1968–Sep 1973
60-Month
51.57°F
(10.87°C)
51.98°F
(11.10°C)
-0.41°F
(-0.23°C)
16th Coolest
Coolest since:
1920
108th Warmest
Warmest since:
2020

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