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 2013

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  • Record Coolest
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  • Top 1/3
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 2013
1-Month
66.96°F
(19.42°C)
64.86°F
(18.26°C)
2.10°F
(1.16°C)
115th Coolest
Coolest since:
1965
14th Warmest
Warmest since:
1998
Aug–Sep 2013
2-Month
69.98°F
(21.10°C)
68.48°F
(20.27°C)
1.50°F
(0.83°C)
106th Coolest
Coolest since:
1974
23rd Warmest
Warmest since:
1998
Jul–Sep 2013
3-Month
71.39°F
(21.88°C)
70.19°F
(21.22°C)
1.20°F
(0.66°C)
104th Coolest
Coolest since:
1950
25th Warmest
Warmest since:
2022
Jun–Sep 2013
4-Month
71.14°F
(21.74°C)
69.77°F
(20.98°C)
1.37°F
(0.76°C)
111th Coolest
Coolest since:
1903
18th Warmest
Warmest since:
2022
May–Sep 2013
5-Month
69.08°F
(20.60°C)
67.85°F
(19.92°C)
1.23°F
(0.68°C)
107th Coolest
Coolest since:
1907
22nd Warmest
Warmest since:
2018
Apr–Sep 2013
6-Month
65.85°F
(18.81°C)
65.06°F
(18.37°C)
0.79°F
(0.44°C)
93rd Coolest
Coolest since:
1907
36th Warmest
Warmest since:
2012
Mar–Sep 2013
7-Month
62.28°F
(16.82°C)
61.68°F
(16.49°C)
0.60°F
(0.33°C)
87th Coolest
Coolest since:
1912
42nd Warmest
Warmest since:
2012
Feb–Sep 2013
8-Month
58.84°F
(14.91°C)
58.20°F
(14.56°C)
0.64°F
(0.35°C)
88th Coolest
Coolest since:
1917
41st Warmest
Warmest since:
2012
Ties: 1936
Jan–Sep 2013
9-Month
55.89°F
(13.27°C)
55.08°F
(12.82°C)
0.81°F
(0.45°C)
94th Coolest
Coolest since:
1912
35th Warmest
Warmest since:
2012
Dec 2012–Sep 2013
10-Month
53.89°F
(12.16°C)
52.85°F
(11.58°C)
1.04°F
(0.58°C)
102nd Coolest
Coolest since:
1917
26th Warmest
Warmest since:
2012
Nov 2012–Sep 2013
11-Month
52.99°F
(11.66°C)
51.83°F
(11.02°C)
1.16°F
(0.64°C)
105th Coolest
Coolest since:
1912
23rd Warmest
Warmest since:
2012
Oct 2012–Sep 2013
12-Month
53.07°F
(11.71°C)
52.03°F
(11.13°C)
1.04°F
(0.58°C)
105th Coolest
Coolest since:
1912
23rd Warmest
Warmest since:
2012
Ties: 1981
Apr 2012–Sep 2013
18-Month
57.91°F
(14.39°C)
56.37°F
(13.54°C)
1.54°F
(0.85°C)
114th Coolest
Coolest since:
1917
14th Warmest
Warmest since:
2012
Oct 2011–Sep 2013
24-Month
54.19°F
(12.33°C)
52.01°F
(11.12°C)
2.18°F
(1.21°C)
122nd Coolest
Coolest since:
1913, 1918
5th Warmest
Warmest to Date
2017
Oct 2010–Sep 2013
36-Month
53.77°F
(12.09°C)
52.01°F
(11.12°C)
1.76°F
(0.97°C)
119th Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2018
Oct 2009–Sep 2013
48-Month
53.47°F
(11.93°C)
51.99°F
(11.11°C)
1.48°F
(0.82°C)
112th Coolest
Coolest since:
1918
13th Warmest
Warmest since:
2018
Ties: 2006, 2016
Oct 2008–Sep 2013
60-Month
53.31°F
(11.84°C)
51.98°F
(11.10°C)
1.33°F
(0.74°C)
108th Coolest
Coolest since:
1920
16th Warmest
Warmest since:
2020

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