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 1994

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
September 1994
1-Month
52.41°F
(11.34°C)
51.90°F
(11.06°C)
0.51°F
(0.28°C)
73rd Coolest
Coolest since:
1918
56th Warmest
Warmest since:
2019
Ties: 1959
Aug–Sep 1994
2-Month
55.81°F
(13.23°C)
55.48°F
(13.04°C)
0.33°F
(0.19°C)
70th Coolest
Coolest since:
1974
59th Warmest
Warmest since:
2019
Ties: 1911
Jul–Sep 1994
3-Month
57.45°F
(14.14°C)
57.16°F
(13.98°C)
0.29°F
(0.16°C)
66th Coolest
Coolest since:
1924
63rd Warmest
Warmest since:
2022
Ties: 1999
Jun–Sep 1994
4-Month
57.58°F
(14.21°C)
56.78°F
(13.77°C)
0.80°F
(0.44°C)
99th Coolest
Coolest since:
1903
30th Warmest
Warmest since:
2021
Ties: 1900
May–Sep 1994
5-Month
55.64°F
(13.13°C)
54.91°F
(12.73°C)
0.73°F
(0.40°C)
91st Coolest
Coolest since:
1907, 1924
38th Warmest
Warmest since:
2018
Ties: 1996
Apr–Sep 1994
6-Month
52.99°F
(11.66°C)
52.20°F
(11.22°C)
0.79°F
(0.44°C)
94th Coolest
Coolest since:
1907
35th Warmest
Warmest since:
2018
Mar–Sep 1994
7-Month
50.02°F
(10.01°C)
49.02°F
(9.46°C)
1.00°F
(0.55°C)
102nd Coolest
Coolest since:
1917
27th Warmest
Warmest since:
2012
Feb–Sep 1994
8-Month
46.35°F
(7.97°C)
45.75°F
(7.64°C)
0.60°F
(0.33°C)
88th Coolest
Coolest since:
1917
41st Warmest
Warmest since:
2012
Jan–Sep 1994
9-Month
43.30°F
(6.28°C)
42.86°F
(6.03°C)
0.44°F
(0.25°C)
83rd Coolest
Coolest since:
1917
46th Warmest
Warmest since:
2012
Ties: 1896
Dec 1993–Sep 1994
10-Month
41.41°F
(5.23°C)
40.84°F
(4.91°C)
0.57°F
(0.32°C)
87th Coolest
Coolest since:
1917
41st Warmest
Warmest since:
2016
Ties: 1932
Nov 1993–Sep 1994
11-Month
40.20°F
(4.56°C)
39.92°F
(4.40°C)
0.28°F
(0.16°C)
74th Coolest
Coolest since:
1917
54th Warmest
Warmest since:
2016
Oct 1993–Sep 1994
12-Month
40.24°F
(4.58°C)
40.04°F
(4.47°C)
0.20°F
(0.11°C)
70th Coolest
Coolest since:
1917
58th Warmest
Warmest since:
2016
Apr 1993–Sep 1994
18-Month
44.13°F
(6.74°C)
44.09°F
(6.72°C)
0.04°F
(0.02°C)
58th Coolest
Coolest since:
1917
70th Warmest
Warmest since:
2016
Ties: 1926
Oct 1992–Sep 1994
24-Month
40.11°F
(4.51°C)
40.04°F
(4.47°C)
0.07°F
(0.04°C)
65th Coolest
Coolest since:
1918
62nd Warmest
Warmest since:
2017
Ties: 1975
Oct 1991–Sep 1994
36-Month
40.48°F
(4.71°C)
40.02°F
(4.46°C)
0.46°F
(0.25°C)
85th Coolest
Coolest since:
1918
41st Warmest
Warmest since:
2017, 2018
Oct 1990–Sep 1994
48-Month
40.67°F
(4.82°C)
40.01°F
(4.45°C)
0.66°F
(0.37°C)
92nd Coolest
Coolest since:
1918
33rd Warmest
Warmest since:
2018
Ties: 1991
Oct 1989–Sep 1994
60-Month
40.73°F
(4.85°C)
40.00°F
(4.44°C)
0.73°F
(0.41°C)
92nd Coolest
Coolest since:
1920
32nd Warmest
Warmest since:
2019, 2020

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