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 1939

View Period (Months):
Download: csv json xml
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1939
1-Month
81.23°F
(27.35°C)
77.81°F
(25.45°C)
3.42°F
(1.90°C)
123rd Coolest
Coolest since:
1965
6th Warmest
Warmest since:
1998
Aug–Sep 1939
2-Month
83.82°F
(28.79°C)
81.48°F
(27.49°C)
2.34°F
(1.30°C)
125th Coolest
Coolest since:
1965
4th Warmest
Warmest to Date
1998
Jul–Sep 1939
3-Month
85.41°F
(29.67°C)
83.21°F
(28.45°C)
2.20°F
(1.22°C)
123rd Coolest
Coolest since:
1912
6th Warmest
Warmest since:
1936
Jun–Sep 1939
4-Month
84.44°F
(29.13°C)
82.74°F
(28.19°C)
1.70°F
(0.94°C)
115th Coolest
Coolest since:
1915
14th Warmest
Warmest since:
1936
May–Sep 1939
5-Month
82.85°F
(28.25°C)
80.79°F
(27.11°C)
2.06°F
(1.14°C)
123rd Coolest
Coolest since:
1915
6th Warmest
Warmest since:
1936
Apr–Sep 1939
6-Month
79.80°F
(26.56°C)
77.90°F
(25.50°C)
1.90°F
(1.06°C)
124th Coolest
Coolest since:
1907
5th Warmest
Warmest since:
2012
Mar–Sep 1939
7-Month
76.23°F
(24.57°C)
74.35°F
(23.53°C)
1.88°F
(1.04°C)
119th Coolest
Coolest since:
1912
10th Warmest
Warmest since:
2012
Feb–Sep 1939
8-Month
71.90°F
(22.17°C)
70.66°F
(21.48°C)
1.24°F
(0.69°C)
101st Coolest
Coolest since:
1912
28th Warmest
Warmest since:
2012
Jan–Sep 1939
9-Month
68.80°F
(20.44°C)
67.31°F
(19.62°C)
1.49°F
(0.82°C)
108th Coolest
Coolest since:
1912
21st Warmest
Warmest since:
2012
Dec 1938–Sep 1939
10-Month
66.37°F
(19.09°C)
64.85°F
(18.25°C)
1.52°F
(0.84°C)
111th Coolest
Coolest since:
1912
17th Warmest
Warmest since:
2012
Ties: 1981
Nov 1938–Sep 1939
11-Month
65.06°F
(18.37°C)
63.76°F
(17.64°C)
1.30°F
(0.73°C)
110th Coolest
Coolest since:
1912
18th Warmest
Warmest since:
2012
Oct 1938–Sep 1939
12-Month
65.47°F
(18.59°C)
64.01°F
(17.78°C)
1.46°F
(0.81°C)
114th Coolest
Coolest since:
1912
14th Warmest
Warmest since:
2012
Apr 1938–Sep 1939
18-Month
69.85°F
(21.03°C)
68.64°F
(20.36°C)
1.21°F
(0.67°C)
109th Coolest
Coolest since:
1912
19th Warmest
Warmest since:
2012
Oct 1937–Sep 1939
24-Month
65.07°F
(18.37°C)
64.00°F
(17.78°C)
1.07°F
(0.59°C)
105th Coolest
Coolest since:
1913
22nd Warmest
Warmest since:
2017
Oct 1936–Sep 1939
36-Month
64.60°F
(18.11°C)
63.98°F
(17.77°C)
0.62°F
(0.34°C)
90th Coolest
Coolest since:
1917
36th Warmest
Warmest since:
2018
Oct 1935–Sep 1939
48-Month
64.48°F
(18.04°C)
63.97°F
(17.76°C)
0.51°F
(0.28°C)
84th Coolest
Coolest since:
1915
41st Warmest
Warmest since:
2018
Oct 1934–Sep 1939
60-Month
64.51°F
(18.06°C)
63.96°F
(17.76°C)
0.55°F
(0.30°C)
88th Coolest
Coolest since:
1907
36th Warmest
Warmest since:
2016
Ties: 1999

Citing This Page