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 1928

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1928
1-Month
77.02°F
(25.01°C)
77.81°F
(25.45°C)
-0.79°F
(-0.44°C)
33rd Coolest
Coolest since:
1965
96th Warmest
Warmest since:
1998
Ties: 1916, 1967
Aug–Sep 1928
2-Month
80.93°F
(27.18°C)
81.48°F
(27.49°C)
-0.55°F
(-0.31°C)
40th Coolest
Coolest since:
1965
89th Warmest
Warmest since:
1998
Jul–Sep 1928
3-Month
82.66°F
(28.14°C)
83.20°F
(28.44°C)
-0.54°F
(-0.30°C)
33rd Coolest
Coolest since:
1912
96th Warmest
Warmest since:
1936
Jun–Sep 1928
4-Month
81.49°F
(27.49°C)
82.74°F
(28.19°C)
-1.25°F
(-0.70°C)
12th Coolest
Coolest since:
1915
117th Warmest
Warmest since:
1936
May–Sep 1928
5-Month
80.20°F
(26.78°C)
80.78°F
(27.10°C)
-0.58°F
(-0.32°C)
31st Coolest
Coolest since:
1915
98th Warmest
Warmest since:
1936
Ties: 1995
Apr–Sep 1928
6-Month
76.92°F
(24.96°C)
77.90°F
(25.50°C)
-0.98°F
(-0.54°C)
18th Coolest
Coolest since:
1907
111th Warmest
Warmest since:
2012
Mar–Sep 1928
7-Month
73.77°F
(23.21°C)
74.35°F
(23.53°C)
-0.58°F
(-0.32°C)
27th Coolest
Coolest since:
1912
102nd Warmest
Warmest since:
2012
Feb–Sep 1928
8-Month
70.21°F
(21.23°C)
70.66°F
(21.48°C)
-0.45°F
(-0.25°C)
38th Coolest
Coolest since:
1912
91st Warmest
Warmest since:
2012
Ties: 1901
Jan–Sep 1928
9-Month
67.17°F
(19.54°C)
67.31°F
(19.62°C)
-0.14°F
(-0.08°C)
53rd Coolest
Coolest since:
1912
76th Warmest
Warmest since:
2012
Ties: 1947
Dec 1927–Sep 1928
10-Month
64.31°F
(17.95°C)
64.85°F
(18.25°C)
-0.54°F
(-0.30°C)
28th Coolest
Coolest since:
1912
100th Warmest
Warmest since:
2012
Nov 1927–Sep 1928
11-Month
63.46°F
(17.48°C)
63.76°F
(17.64°C)
-0.30°F
(-0.16°C)
40th Coolest
Coolest since:
1912
88th Warmest
Warmest since:
2012
Oct 1927–Sep 1928
12-Month
63.97°F
(17.76°C)
64.01°F
(17.78°C)
-0.04°F
(-0.02°C)
50th Coolest
Coolest since:
1912
78th Warmest
Warmest since:
2012
Apr 1927–Sep 1928
18-Month
68.22°F
(20.12°C)
68.63°F
(20.35°C)
-0.41°F
(-0.23°C)
32nd Coolest
Coolest since:
1912
96th Warmest
Warmest since:
2012
Oct 1926–Sep 1928
24-Month
63.77°F
(17.65°C)
63.99°F
(17.77°C)
-0.22°F
(-0.12°C)
45th Coolest
Coolest since:
1913
82nd Warmest
Warmest since:
2017
Oct 1925–Sep 1928
36-Month
63.64°F
(17.58°C)
63.97°F
(17.76°C)
-0.33°F
(-0.18°C)
32nd Coolest
Coolest since:
1917
94th Warmest
Warmest since:
2018
Oct 1924–Sep 1928
48-Month
64.04°F
(17.80°C)
63.97°F
(17.76°C)
0.07°F
(0.04°C)
59th Coolest
Coolest since:
1915
66th Warmest
Warmest since:
2018
Ties: 1959
Oct 1923–Sep 1928
60-Month
63.84°F
(17.69°C)
63.96°F
(17.76°C)
-0.12°F
(-0.07°C)
45th Coolest
Coolest since:
1907
79th Warmest
Warmest since:
2016

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