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.

Minimum Temperature Rankings, September 1908

View Period (Months):
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  • Top 1/3
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1908
1-Month
51.66°F
(10.92°C)
51.90°F
(11.06°C)
-0.24°F
(-0.14°C)
47th Coolest
Coolest since:
1918
82nd Warmest
Warmest since:
2019
Aug–Sep 1908
2-Month
54.81°F
(12.67°C)
55.48°F
(13.04°C)
-0.67°F
(-0.37°C)
28th Coolest
Coolest since:
1974
101st Warmest
Warmest since:
2019
Jul–Sep 1908
3-Month
56.60°F
(13.67°C)
57.16°F
(13.98°C)
-0.56°F
(-0.31°C)
24th Coolest
Coolest since:
1924
105th Warmest
Warmest since:
2022
Jun–Sep 1908
4-Month
56.02°F
(13.34°C)
56.78°F
(13.77°C)
-0.76°F
(-0.43°C)
19th Coolest
Coolest since:
1903
110th Warmest
Warmest since:
2021
Ties: 1951
May–Sep 1908
5-Month
54.14°F
(12.30°C)
54.91°F
(12.73°C)
-0.77°F
(-0.43°C)
16th Coolest
Coolest since:
1907, 1924
113th Warmest
Warmest since:
2018
Apr–Sep 1908
6-Month
51.75°F
(10.97°C)
52.20°F
(11.22°C)
-0.45°F
(-0.25°C)
26th Coolest
Coolest since:
1907
103rd Warmest
Warmest since:
2018
Ties: 1915
Mar–Sep 1908
7-Month
48.93°F
(9.41°C)
49.02°F
(9.46°C)
-0.09°F
(-0.05°C)
51st Coolest
Coolest since:
1917
78th Warmest
Warmest since:
2012
Feb–Sep 1908
8-Month
45.62°F
(7.57°C)
45.74°F
(7.63°C)
-0.12°F
(-0.06°C)
50th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2012
Ties: 1897
Jan–Sep 1908
9-Month
42.96°F
(6.09°C)
42.86°F
(6.03°C)
0.10°F
(0.06°C)
67th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
2012
Dec 1907–Sep 1908
10-Month
41.14°F
(5.08°C)
40.84°F
(4.91°C)
0.30°F
(0.17°C)
76th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
2016
Nov 1907–Sep 1908
11-Month
40.10°F
(4.50°C)
39.91°F
(4.39°C)
0.19°F
(0.11°C)
71st Coolest
Coolest since:
1917
57th Warmest
Warmest since:
2016
Oct 1907–Sep 1908
12-Month
40.20°F
(4.56°C)
40.05°F
(4.47°C)
0.15°F
(0.09°C)
69th Coolest
Coolest since:
1917
59th Warmest
Warmest since:
2016
Apr 1907–Sep 1908
18-Month
43.54°F
(6.41°C)
44.09°F
(6.72°C)
-0.55°F
(-0.31°C)
18th Coolest
Coolest since:
1917
110th Warmest
Warmest since:
2016
Ties: 1965
Oct 1906–Sep 1908
24-Month
39.95°F
(4.42°C)
40.04°F
(4.47°C)
-0.09°F
(-0.05°C)
52nd Coolest
Coolest since:
1918
75th Warmest
Warmest since:
2017
Oct 1905–Sep 1908
36-Month
39.88°F
(4.38°C)
40.02°F
(4.46°C)
-0.14°F
(-0.08°C)
47th Coolest
Coolest since:
1918
79th Warmest
Warmest since:
2017, 2018
Ties: 1953
Oct 1904–Sep 1908
48-Month
39.80°F
(4.33°C)
40.01°F
(4.45°C)
-0.21°F
(-0.12°C)
40th Coolest
Coolest since:
1918
85th Warmest
Warmest since:
2018
Oct 1903–Sep 1908
60-Month
39.55°F
(4.19°C)
40.00°F
(4.44°C)
-0.45°F
(-0.25°C)
12th Coolest
Coolest since:
1920
112th Warmest
Warmest since:
2019, 2020

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