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.

Maximum Temperature Rankings, September 1949

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
September 1949
1-Month
77.09°F
(25.05°C)
77.81°F
(25.45°C)
-0.72°F
(-0.40°C)
39th Coolest
Coolest since:
1965
90th Warmest
Warmest since:
1998
Aug–Sep 1949
2-Month
81.38°F
(27.43°C)
81.48°F
(27.49°C)
-0.10°F
(-0.06°C)
51st Coolest
Coolest since:
1965
78th Warmest
Warmest since:
1998
Jul–Sep 1949
3-Month
83.28°F
(28.49°C)
83.21°F
(28.45°C)
0.07°F
(0.04°C)
64th Coolest
Coolest since:
1912
65th Warmest
Warmest since:
1936
Jun–Sep 1949
4-Month
82.95°F
(28.31°C)
82.74°F
(28.19°C)
0.21°F
(0.12°C)
65th Coolest
Coolest since:
1915
64th Warmest
Warmest since:
1936
May–Sep 1949
5-Month
81.27°F
(27.37°C)
80.78°F
(27.10°C)
0.49°F
(0.27°C)
76th Coolest
Coolest since:
1915
53rd Warmest
Warmest since:
1936
Ties: 1943
Apr–Sep 1949
6-Month
78.58°F
(25.88°C)
77.90°F
(25.50°C)
0.68°F
(0.38°C)
87th Coolest
Coolest since:
1907
42nd Warmest
Warmest since:
2012
Mar–Sep 1949
7-Month
74.74°F
(23.74°C)
74.35°F
(23.53°C)
0.39°F
(0.21°C)
75th Coolest
Coolest since:
1912
54th Warmest
Warmest since:
2012
Feb–Sep 1949
8-Month
70.76°F
(21.53°C)
70.66°F
(21.48°C)
0.10°F
(0.05°C)
64th Coolest
Coolest since:
1912
65th Warmest
Warmest since:
2012
Jan–Sep 1949
9-Month
66.87°F
(19.37°C)
67.30°F
(19.61°C)
-0.43°F
(-0.24°C)
38th Coolest
Coolest since:
1912
91st Warmest
Warmest since:
2012
Dec 1948–Sep 1949
10-Month
64.46°F
(18.03°C)
64.86°F
(18.26°C)
-0.40°F
(-0.23°C)
32nd Coolest
Coolest since:
1912
96th Warmest
Warmest since:
2012
Nov 1948–Sep 1949
11-Month
63.34°F
(17.41°C)
63.75°F
(17.64°C)
-0.41°F
(-0.23°C)
33rd Coolest
Coolest since:
1912
95th Warmest
Warmest since:
2012
Oct 1948–Sep 1949
12-Month
63.65°F
(17.58°C)
64.01°F
(17.78°C)
-0.36°F
(-0.20°C)
37th Coolest
Coolest since:
1912
91st Warmest
Warmest since:
2012
Ties: 1937
Apr 1948–Sep 1949
18-Month
68.69°F
(20.38°C)
68.64°F
(20.36°C)
0.05°F
(0.02°C)
62nd Coolest
Coolest since:
1912
66th Warmest
Warmest since:
2012
Oct 1947–Sep 1949
24-Month
63.74°F
(17.63°C)
64.00°F
(17.78°C)
-0.26°F
(-0.15°C)
42nd Coolest
Coolest since:
1913
85th Warmest
Warmest since:
2017
Oct 1946–Sep 1949
36-Month
63.84°F
(17.69°C)
63.98°F
(17.77°C)
-0.14°F
(-0.08°C)
45th Coolest
Coolest since:
1917
81st Warmest
Warmest since:
2018
Oct 1945–Sep 1949
48-Month
64.07°F
(17.82°C)
63.97°F
(17.76°C)
0.10°F
(0.06°C)
65th Coolest
Coolest since:
1915
60th Warmest
Warmest since:
2018
Ties: 1931
Oct 1944–Sep 1949
60-Month
64.02°F
(17.79°C)
63.96°F
(17.76°C)
0.06°F
(0.03°C)
64th Coolest
Coolest since:
1907
60th Warmest
Warmest since:
2016

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