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 1927

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1927
1-Month
77.45°F
(25.25°C)
77.81°F
(25.45°C)
-0.36°F
(-0.20°C)
49th Coolest
Coolest since:
1965
80th Warmest
Warmest since:
1998
Aug–Sep 1927
2-Month
79.74°F
(26.52°C)
81.47°F
(27.48°C)
-1.73°F
(-0.96°C)
9th Coolest
Coolest since:
1965
120th Warmest
Warmest since:
1998
Jul–Sep 1927
3-Month
81.79°F
(27.66°C)
83.21°F
(28.45°C)
-1.42°F
(-0.79°C)
9th Coolest
Coolest since:
1912
120th Warmest
Warmest since:
1936
Ties: 1902
Jun–Sep 1927
4-Month
81.23°F
(27.35°C)
82.74°F
(28.19°C)
-1.51°F
(-0.84°C)
10th Coolest
Coolest since:
1915
119th Warmest
Warmest since:
1936
May–Sep 1927
5-Month
79.38°F
(26.32°C)
80.79°F
(27.11°C)
-1.41°F
(-0.79°C)
7th Coolest
Coolest since:
1915
122nd Warmest
Warmest since:
1936
Apr–Sep 1927
6-Month
76.74°F
(24.86°C)
77.90°F
(25.50°C)
-1.16°F
(-0.64°C)
14th Coolest
Coolest since:
1907
115th Warmest
Warmest since:
2012
Mar–Sep 1927
7-Month
73.38°F
(22.99°C)
74.34°F
(23.52°C)
-0.96°F
(-0.53°C)
16th Coolest
Coolest since:
1912
113th Warmest
Warmest since:
2012
Feb–Sep 1927
8-Month
70.25°F
(21.25°C)
70.66°F
(21.48°C)
-0.41°F
(-0.23°C)
42nd Coolest
Coolest since:
1912
87th Warmest
Warmest since:
2012
Jan–Sep 1927
9-Month
67.09°F
(19.49°C)
67.30°F
(19.61°C)
-0.21°F
(-0.12°C)
46th Coolest
Coolest since:
1912
83rd Warmest
Warmest since:
2012
Ties: 1901, 1964
Dec 1926–Sep 1927
10-Month
64.47°F
(18.04°C)
64.85°F
(18.25°C)
-0.38°F
(-0.21°C)
33rd Coolest
Coolest since:
1912
95th Warmest
Warmest since:
2012
Nov 1926–Sep 1927
11-Month
63.26°F
(17.37°C)
63.75°F
(17.64°C)
-0.49°F
(-0.27°C)
29th Coolest
Coolest since:
1912
99th Warmest
Warmest since:
2012
Oct 1926–Sep 1927
12-Month
63.58°F
(17.54°C)
64.01°F
(17.78°C)
-0.43°F
(-0.24°C)
30th Coolest
Coolest since:
1912
98th Warmest
Warmest since:
2012
Apr 1926–Sep 1927
18-Month
68.34°F
(20.19°C)
68.64°F
(20.36°C)
-0.30°F
(-0.17°C)
36th Coolest
Coolest since:
1912
92nd Warmest
Warmest since:
2012
Ties: 1909
Oct 1925–Sep 1927
24-Month
63.48°F
(17.49°C)
63.99°F
(17.77°C)
-0.51°F
(-0.28°C)
27th Coolest
Coolest since:
1913
100th Warmest
Warmest since:
2017
Oct 1924–Sep 1927
36-Month
64.07°F
(17.82°C)
63.98°F
(17.77°C)
0.09°F
(0.05°C)
66th Coolest
Coolest since:
1917
60th Warmest
Warmest since:
2018
Ties: 1942
Oct 1923–Sep 1927
48-Month
63.81°F
(17.67°C)
63.97°F
(17.76°C)
-0.16°F
(-0.09°C)
41st Coolest
Coolest since:
1915
84th Warmest
Warmest since:
2018
Ties: 1921, 1961
Oct 1922–Sep 1927
60-Month
63.77°F
(17.65°C)
63.96°F
(17.76°C)
-0.19°F
(-0.11°C)
39th Coolest
Coolest since:
1907
85th Warmest
Warmest since:
2016

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