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 2011

View Period (Months):
Download: CSV JSON XML
  • Record Coolest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 2011
1-Month
66.09°F
(18.94°C)
64.86°F
(18.26°C)
1.23°F
(0.68°C)
94th Coolest
Coolest since:
1965
35th Warmest
Warmest since:
1998
Ties: 1911, 1979
Aug–Sep 2011
2-Month
70.55°F
(21.42°C)
68.48°F
(20.27°C)
2.07°F
(1.15°C)
123rd Coolest
Coolest since:
1974
6th Warmest
Warmest since:
1998
Jul–Sep 2011
3-Month
72.41°F
(22.45°C)
70.19°F
(21.22°C)
2.22°F
(1.23°C)
125th Coolest
Coolest since:
1950
4th Warmest
Warmest since:
2022
Jun–Sep 2011
4-Month
71.76°F
(22.09°C)
69.77°F
(20.98°C)
1.99°F
(1.11°C)
122nd Coolest
Coolest since:
1903
7th Warmest
Warmest since:
2021, 2022
May–Sep 2011
5-Month
69.24°F
(20.69°C)
67.85°F
(19.92°C)
1.39°F
(0.77°C)
115th Coolest
Coolest since:
1907
14th Warmest
Warmest since:
2018
Apr–Sep 2011
6-Month
66.36°F
(19.09°C)
65.05°F
(18.36°C)
1.31°F
(0.73°C)
110th Coolest
Coolest since:
1907
19th Warmest
Warmest since:
2012
Mar–Sep 2011
7-Month
63.03°F
(17.24°C)
61.69°F
(16.49°C)
1.34°F
(0.75°C)
110th Coolest
Coolest since:
1912
19th Warmest
Warmest since:
2012
Feb–Sep 2011
8-Month
59.28°F
(15.16°C)
58.21°F
(14.56°C)
1.07°F
(0.60°C)
100th Coolest
Coolest since:
1917
29th Warmest
Warmest since:
2012
Ties: 2010
Jan–Sep 2011
9-Month
56.00°F
(13.33°C)
55.08°F
(12.82°C)
0.92°F
(0.51°C)
95th Coolest
Coolest since:
1912
34th Warmest
Warmest since:
2012
Dec 2010–Sep 2011
10-Month
53.64°F
(12.02°C)
52.85°F
(11.58°C)
0.79°F
(0.44°C)
94th Coolest
Coolest since:
1917
34th Warmest
Warmest since:
2012
Nov 2010–Sep 2011
11-Month
52.61°F
(11.45°C)
51.84°F
(11.02°C)
0.77°F
(0.43°C)
95th Coolest
Coolest since:
1912
33rd Warmest
Warmest since:
2012
Oct 2010–Sep 2011
12-Month
52.91°F
(11.62°C)
52.03°F
(11.13°C)
0.88°F
(0.49°C)
102nd Coolest
Coolest since:
1912
26th Warmest
Warmest since:
2012
Ties: 1939, 1995
Apr 2010–Sep 2011
18-Month
57.43°F
(14.13°C)
56.37°F
(13.54°C)
1.06°F
(0.59°C)
109th Coolest
Coolest since:
1917
19th Warmest
Warmest since:
2012
Oct 2009–Sep 2011
24-Month
52.74°F
(11.52°C)
52.02°F
(11.12°C)
0.72°F
(0.40°C)
94th Coolest
Coolest since:
1913, 1918
33rd Warmest
Warmest since:
2017
Oct 2008–Sep 2011
36-Month
52.73°F
(11.52°C)
52.00°F
(11.11°C)
0.73°F
(0.41°C)
96th Coolest
Coolest since:
1917
30th Warmest
Warmest since:
2018
Ties: 1954, 1989
Oct 2007–Sep 2011
48-Month
52.71°F
(11.51°C)
51.99°F
(11.11°C)
0.72°F
(0.40°C)
95th Coolest
Coolest since:
1918
30th Warmest
Warmest since:
2018
Oct 2006–Sep 2011
60-Month
52.88°F
(11.60°C)
51.98°F
(11.10°C)
0.90°F
(0.50°C)
100th Coolest
Coolest since:
1920
24th Warmest
Warmest since:
2020

Citing This Page