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 July 2020. For more information, please see Climatological Rankings.


Contiguous U.S.

Average Temperature Rankings, September 1998

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1998
1-Month
68.99°F
(20.55°C)
64.86°F
(18.26°C)
4.13°F
(2.29°C)
125th Coolest Coolest since: 1997 1965
1st Warmest Warmest to Date 1998
Aug–Sep 1998
2-Month
71.51°F
(21.95°C)
68.48°F
(20.27°C)
3.03°F
(1.68°C)
125th Coolest Coolest since: 1997 1974
1st Warmest Warmest to Date 1998
Jul–Sep 1998
3-Month
72.84°F
(22.69°C)
70.19°F
(21.22°C)
2.65°F
(1.47°C)
125th Coolest Coolest since: 1997 1950
1st Warmest Warmest to Date 1998
Jun–Sep 1998
4-Month
71.66°F
(22.03°C)
69.76°F
(20.98°C)
1.90°F
(1.05°C)
119th Coolest Coolest since: 1997 1903
7th Warmest Warmest since: 1936 1936
May–Sep 1998
5-Month
69.82°F
(21.01°C)
67.85°F
(19.92°C)
1.97°F
(1.09°C)
121st Coolest Coolest since: 1997 1907
5th Warmest Warmest since: 1936 2018
Apr–Sep 1998
6-Month
66.70°F
(19.28°C)
65.06°F
(18.37°C)
1.64°F
(0.91°C)
118th Coolest Coolest since: 1997 1907
8th Warmest Warmest since: 1936 2012
Mar–Sep 1998
7-Month
63.07°F
(17.26°C)
61.68°F
(16.49°C)
1.39°F
(0.77°C)
114th Coolest Coolest since: 1997 1912
12th Warmest Warmest since: 1936 2012
Ties: 1910
Feb–Sep 1998
8-Month
60.03°F
(15.57°C)
58.21°F
(14.56°C)
1.82°F
(1.01°C)
120th Coolest Coolest since: 1997 1917
6th Warmest Warmest to Date 2012
Jan–Sep 1998
9-Month
57.25°F
(14.03°C)
55.09°F
(12.83°C)
2.16°F
(1.20°C)
120th Coolest Coolest since: 1997 1912
6th Warmest Warmest to Date 2012
Dec 1997–Sep 1998
10-Month
54.92°F
(12.73°C)
52.85°F
(11.58°C)
2.07°F
(1.15°C)
118th Coolest Coolest since: 1997 1917
7th Warmest Warmest since: 1934 2012
Nov 1997–Sep 1998
11-Month
53.64°F
(12.02°C)
51.83°F
(11.02°C)
1.81°F
(1.00°C)
115th Coolest Coolest since: 1997 1912
10th Warmest Warmest since: 1934 2012
Oct 1997–Sep 1998
12-Month
53.67°F
(12.04°C)
52.03°F
(11.13°C)
1.64°F
(0.91°C)
114th Coolest Coolest since: 1997 1912
11th Warmest Warmest since: 1934 2012
Apr 1997–Sep 1998
18-Month
57.28°F
(14.04°C)
56.37°F
(13.54°C)
0.91°F
(0.50°C)
102nd Coolest Coolest since: 1997 1917
23rd Warmest Warmest since: 1991 2012
Oct 1996–Sep 1998
24-Month
52.87°F
(11.59°C)
52.02°F
(11.12°C)
0.85°F
(0.47°C)
98th Coolest Coolest since: 1997 1913, 1918
26th Warmest Warmest since: 1992 2017
Ties: 2015
Oct 1995–Sep 1998
36-Month
52.62°F
(11.46°C)
52.01°F
(11.12°C)
0.61°F
(0.34°C)
90th Coolest Coolest since: 1997 1917
33rd Warmest Warmest since: 1992 2018
Oct 1994–Sep 1998
48-Month
52.69°F
(11.49°C)
51.99°F
(11.11°C)
0.70°F
(0.38°C)
94th Coolest Coolest since: 1997 1918
28th Warmest Warmest since: 1992 2018
Oct 1993–Sep 1998
60-Month
52.61°F
(11.45°C)
51.98°F
(11.10°C)
0.63°F
(0.35°C)
92nd Coolest Coolest since: 1997 1920
29th Warmest Warmest since: 1992 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2020, retrieved on August 14, 2020 from https://www.ncdc.noaa.gov/cag/