Climate at a Glance

National Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of April 2022. For more information, please see Climatological Rankings.


Contiguous U.S.

Minimum Temperature Rankings, September 1991

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1991
1-Month
52.25°F
(11.25°C)
51.90°F
(11.06°C)
0.35°F
(0.19°C)
67th Coolest Coolest since: 1989 1918
61st Warmest Warmest since: 1990 2019
Aug–Sep 1991
2-Month
56.26°F
(13.48°C)
55.48°F
(13.04°C)
0.78°F
(0.44°C)
88th Coolest Coolest since: 1989 1974
40th Warmest Warmest since: 1990 2019
Jul–Sep 1991
3-Month
57.88°F
(14.38°C)
57.16°F
(13.98°C)
0.72°F
(0.40°C)
94th Coolest Coolest since: 1989 1924
34th Warmest Warmest since: 1990 1998
Jun–Sep 1991
4-Month
57.62°F
(14.23°C)
56.78°F
(13.77°C)
0.84°F
(0.46°C)
101st Coolest Coolest since: 1989 1903
27th Warmest Warmest since: 1990 2021
Ties: 1980
May–Sep 1991
5-Month
56.18°F
(13.43°C)
54.91°F
(12.73°C)
1.27°F
(0.70°C)
109th Coolest Coolest since: 1990 1907, 1924
19th Warmest Warmest since: 1977 2018
Apr–Sep 1991
6-Month
53.59°F
(11.99°C)
52.19°F
(11.22°C)
1.40°F
(0.77°C)
113th Coolest Coolest since: 1990 1907
15th Warmest Warmest since: 1977 2018
Mar–Sep 1991
7-Month
50.50°F
(10.28°C)
49.03°F
(9.46°C)
1.47°F
(0.82°C)
114th Coolest Coolest since: 1990 1917
14th Warmest Warmest to Date 2012
Feb–Sep 1991
8-Month
47.68°F
(8.71°C)
45.74°F
(7.63°C)
1.94°F
(1.08°C)
120th Coolest Coolest since: 1990 1917
8th Warmest Warmest to Date 2012
Jan–Sep 1991
9-Month
44.58°F
(6.99°C)
42.86°F
(6.03°C)
1.72°F
(0.96°C)
113th Coolest Coolest since: 1989 1917
15th Warmest Warmest since: 1990 2012
Dec 1990–Sep 1991
10-Month
42.10°F
(5.61°C)
40.84°F
(4.91°C)
1.26°F
(0.70°C)
102nd Coolest Coolest since: 1990 1917
25th Warmest Warmest since: 1987 2016
Nov 1990–Sep 1991
11-Month
41.27°F
(5.15°C)
39.92°F
(4.40°C)
1.35°F
(0.75°C)
108th Coolest Coolest since: 1990 1917
19th Warmest Warmest since: 1987 2016
Oct 1990–Sep 1991
12-Month
41.22°F
(5.12°C)
40.04°F
(4.47°C)
1.18°F
(0.65°C)
105th Coolest Coolest since: 1990 1917
22nd Warmest Warmest since: 1987 2016
Ties: 1934
Apr 1990–Sep 1991
18-Month
45.19°F
(7.33°C)
44.09°F
(6.72°C)
1.10°F
(0.61°C)
104th Coolest Coolest since: 1990 1917
23rd Warmest Warmest since: 1987 2016
Oct 1989–Sep 1991
24-Month
41.11°F
(5.06°C)
40.04°F
(4.47°C)
1.07°F
(0.59°C)
105th Coolest Coolest since: 1990 1918
21st Warmest Warmest since: 1987 2017
Oct 1988–Sep 1991
36-Month
40.83°F
(4.91°C)
40.02°F
(4.46°C)
0.81°F
(0.45°C)
98th Coolest Coolest since: 1990 1918
27th Warmest Warmest since: 1988 2017, 2018
Oct 1987–Sep 1991
48-Month
40.67°F
(4.82°C)
40.00°F
(4.44°C)
0.67°F
(0.38°C)
92nd Coolest Coolest since: 1987 1918
32nd Warmest Warmest since: 1990 2018
Ties: 1994
Oct 1986–Sep 1991
60-Month
40.83°F
(4.91°C)
40.00°F
(4.44°C)
0.83°F
(0.47°C)
98th Coolest Coolest since: 1990 1920
25th Warmest Warmest to Date 2019, 2020
Ties: 1995

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published May 2022, retrieved on May 18, 2022 from https://www.ncdc.noaa.gov/cag/