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 1915

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
September 1915
1-Month
76.53°F
(24.74°C)
77.81°F
(25.45°C)
-1.28°F
(-0.71°C)
24th Coolest
Coolest since:
1965
105th Warmest
Warmest since:
1998
Aug–Sep 1915
2-Month
79.72°F
(26.51°C)
81.48°F
(27.49°C)
-1.76°F
(-0.98°C)
8th Coolest
Coolest since:
1965
121st Warmest
Warmest since:
1998
Jul–Sep 1915
3-Month
80.90°F
(27.17°C)
83.21°F
(28.45°C)
-2.31°F
(-1.28°C)
4th Coolest
Coolest since:
1912
125th Warmest
Warmest since:
1936
Jun–Sep 1915
4-Month
80.35°F
(26.86°C)
82.74°F
(28.19°C)
-2.39°F
(-1.33°C)
1st Coolest
Coolest to Date
1915
128th Warmest
Warmest since:
1936
May–Sep 1915
5-Month
78.23°F
(25.68°C)
80.78°F
(27.10°C)
-2.55°F
(-1.42°C)
1st Coolest
Coolest to Date
1915
128th Warmest
Warmest since:
1936
Apr–Sep 1915
6-Month
76.37°F
(24.65°C)
77.90°F
(25.50°C)
-1.53°F
(-0.85°C)
8th Coolest
Coolest since:
1907
121st Warmest
Warmest since:
2012
Mar–Sep 1915
7-Month
72.23°F
(22.35°C)
74.35°F
(23.53°C)
-2.12°F
(-1.18°C)
3rd Coolest
Coolest since:
1912
126th Warmest
Warmest since:
2012
Feb–Sep 1915
8-Month
68.90°F
(20.50°C)
70.66°F
(21.48°C)
-1.76°F
(-0.98°C)
6th Coolest
Coolest since:
1912
123rd Warmest
Warmest since:
2012
Jan–Sep 1915
9-Month
65.52°F
(18.62°C)
67.30°F
(19.61°C)
-1.78°F
(-0.99°C)
5th Coolest
Coolest since:
1912
124th Warmest
Warmest since:
2012
Dec 1914–Sep 1915
10-Month
62.53°F
(16.96°C)
64.86°F
(18.26°C)
-2.33°F
(-1.30°C)
2nd Coolest
Coolest since:
1912
126th Warmest
Warmest since:
2012
Nov 1914–Sep 1915
11-Month
61.93°F
(16.63°C)
63.75°F
(17.64°C)
-1.82°F
(-1.01°C)
4th Coolest
Coolest since:
1912
124th Warmest
Warmest since:
2012
Oct 1914–Sep 1915
12-Month
62.35°F
(16.86°C)
64.01°F
(17.78°C)
-1.66°F
(-0.92°C)
6th Coolest
Coolest since:
1912
122nd Warmest
Warmest since:
2012
Apr 1914–Sep 1915
18-Month
67.60°F
(19.78°C)
68.64°F
(20.36°C)
-1.04°F
(-0.58°C)
10th Coolest
Coolest since:
1912
118th Warmest
Warmest since:
2012
Oct 1913–Sep 1915
24-Month
63.17°F
(17.32°C)
64.00°F
(17.78°C)
-0.83°F
(-0.46°C)
14th Coolest
Coolest since:
1913
113th Warmest
Warmest since:
2017
Oct 1912–Sep 1915
36-Month
63.32°F
(17.40°C)
63.98°F
(17.77°C)
-0.66°F
(-0.37°C)
13th Coolest
Coolest since:
1917
113th Warmest
Warmest since:
2018
Ties: 1973
Oct 1911–Sep 1915
48-Month
62.80°F
(17.11°C)
63.97°F
(17.76°C)
-1.17°F
(-0.65°C)
1st Coolest
Coolest to Date
1915
124th Warmest
Warmest since:
2018
Oct 1910–Sep 1915
60-Month
63.18°F
(17.32°C)
63.96°F
(17.76°C)
-0.78°F
(-0.44°C)
4th Coolest
Coolest since:
1907
120th Warmest
Warmest since:
2016

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