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 1917

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1917
1-Month
77.07°F
(25.04°C)
77.81°F
(25.45°C)
-0.74°F
(-0.41°C)
38th Coolest
Coolest since:
1965
91st Warmest
Warmest since:
1998
Aug–Sep 1917
2-Month
80.78°F
(27.10°C)
81.47°F
(27.48°C)
-0.69°F
(-0.38°C)
32nd Coolest
Coolest since:
1965
97th Warmest
Warmest since:
1998
Jul–Sep 1917
3-Month
83.19°F
(28.44°C)
83.21°F
(28.45°C)
-0.02°F
(-0.01°C)
59th Coolest
Coolest since:
1912
70th Warmest
Warmest since:
1936
Ties: 1914, 1981
Jun–Sep 1917
4-Month
82.58°F
(28.10°C)
82.74°F
(28.19°C)
-0.16°F
(-0.09°C)
51st Coolest
Coolest since:
1915
78th Warmest
Warmest since:
1936
Ties: 1966
May–Sep 1917
5-Month
79.52°F
(26.40°C)
80.79°F
(27.11°C)
-1.27°F
(-0.71°C)
11th Coolest
Coolest since:
1915
118th Warmest
Warmest since:
1936
Ties: 1968
Apr–Sep 1917
6-Month
76.34°F
(24.63°C)
77.90°F
(25.50°C)
-1.56°F
(-0.87°C)
7th Coolest
Coolest since:
1907
122nd Warmest
Warmest since:
2012
Mar–Sep 1917
7-Month
72.58°F
(22.54°C)
74.34°F
(23.52°C)
-1.76°F
(-0.98°C)
6th Coolest
Coolest since:
1912
123rd Warmest
Warmest since:
2012
Feb–Sep 1917
8-Month
68.75°F
(20.42°C)
70.66°F
(21.48°C)
-1.91°F
(-1.06°C)
5th Coolest
Coolest since:
1912
124th Warmest
Warmest since:
2012
Jan–Sep 1917
9-Month
65.44°F
(18.58°C)
67.30°F
(19.61°C)
-1.86°F
(-1.03°C)
3rd Coolest
Coolest since:
1912
126th Warmest
Warmest since:
2012
Ties: 1903
Dec 1916–Sep 1917
10-Month
62.88°F
(17.16°C)
64.85°F
(18.25°C)
-1.97°F
(-1.09°C)
4th Coolest
Coolest since:
1912
124th Warmest
Warmest since:
2012
Nov 1916–Sep 1917
11-Month
61.96°F
(16.64°C)
63.76°F
(17.64°C)
-1.80°F
(-1.00°C)
5th Coolest
Coolest since:
1912
123rd Warmest
Warmest since:
2012
Oct 1916–Sep 1917
12-Month
62.20°F
(16.78°C)
64.01°F
(17.78°C)
-1.81°F
(-1.00°C)
4th Coolest
Coolest since:
1912
124th Warmest
Warmest since:
2012
Apr 1916–Sep 1917
18-Month
67.17°F
(19.54°C)
68.64°F
(20.36°C)
-1.47°F
(-0.82°C)
2nd Coolest
Coolest since:
1912
126th Warmest
Warmest since:
2012
Oct 1915–Sep 1917
24-Month
63.05°F
(17.25°C)
63.99°F
(17.77°C)
-0.94°F
(-0.52°C)
7th Coolest
Coolest since:
1913
120th Warmest
Warmest since:
2017
Ties: 1903
Oct 1914–Sep 1917
36-Month
62.82°F
(17.12°C)
63.98°F
(17.77°C)
-1.16°F
(-0.65°C)
1st Coolest
Coolest since:
1917
125th Warmest
Warmest since:
2018
Oct 1913–Sep 1917
48-Month
63.11°F
(17.28°C)
63.97°F
(17.76°C)
-0.86°F
(-0.48°C)
7th Coolest
Coolest since:
1915
118th Warmest
Warmest since:
2018
Oct 1912–Sep 1917
60-Month
63.21°F
(17.34°C)
63.96°F
(17.76°C)
-0.75°F
(-0.42°C)
5th Coolest
Coolest since:
1907
119th Warmest
Warmest since:
2016

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