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 September 2021. For more information, please see Climatological Rankings.


Contiguous U.S.

Maximum Temperature Rankings, September 1998

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1998
1-Month
81.95°F
(27.75°C)
77.81°F
(25.45°C)
4.14°F
(2.30°C)
127th Coolest Coolest since: 1997 1965
1st Warmest Warmest to Date 1998
Aug–Sep 1998
2-Month
84.45°F
(29.14°C)
81.47°F
(27.48°C)
2.98°F
(1.66°C)
127th Coolest Coolest since: 1997 1965
1st Warmest Warmest to Date 1998
Jul–Sep 1998
3-Month
85.66°F
(29.81°C)
83.21°F
(28.45°C)
2.45°F
(1.36°C)
125th Coolest Coolest since: 1997 1912
3rd Warmest Warmest since: 1936 1936
Jun–Sep 1998
4-Month
84.33°F
(29.07°C)
82.74°F
(28.19°C)
1.59°F
(0.88°C)
112th Coolest Coolest since: 1997 1915
16th Warmest Warmest since: 1988 1936
May–Sep 1998
5-Month
82.49°F
(28.05°C)
80.78°F
(27.10°C)
1.71°F
(0.95°C)
118th Coolest Coolest since: 1997 1915
10th Warmest Warmest since: 1988 1936
Apr–Sep 1998
6-Month
79.32°F
(26.29°C)
77.90°F
(25.50°C)
1.42°F
(0.79°C)
113th Coolest Coolest since: 1997 1907
15th Warmest Warmest since: 1988 2012
Ties: 1930
Mar–Sep 1998
7-Month
75.40°F
(24.11°C)
74.35°F
(23.53°C)
1.05°F
(0.58°C)
100th Coolest Coolest since: 1997 1912
28th Warmest Warmest since: 1994 2012
Ties: 1938, 2005
Feb–Sep 1998
8-Month
71.95°F
(22.19°C)
70.66°F
(21.48°C)
1.29°F
(0.71°C)
104th Coolest Coolest since: 1997 1912
24th Warmest Warmest since: 1988 2012
Jan–Sep 1998
9-Month
68.88°F
(20.49°C)
67.31°F
(19.62°C)
1.57°F
(0.87°C)
112th Coolest Coolest since: 1997 1912
16th Warmest Warmest since: 1990 2012
Dec 1997–Sep 1998
10-Month
66.30°F
(19.06°C)
64.86°F
(18.26°C)
1.44°F
(0.80°C)
108th Coolest Coolest since: 1997 1912
19th Warmest Warmest since: 1981 2012
Nov 1997–Sep 1998
11-Month
64.89°F
(18.27°C)
63.75°F
(17.64°C)
1.14°F
(0.63°C)
105th Coolest Coolest since: 1997 1912
22nd Warmest Warmest since: 1990 2012
Oct 1997–Sep 1998
12-Month
65.00°F
(18.33°C)
64.01°F
(17.78°C)
0.99°F
(0.55°C)
103rd Coolest Coolest since: 1997 1912
24th Warmest Warmest since: 1991 2012
Apr 1997–Sep 1998
18-Month
68.97°F
(20.54°C)
68.63°F
(20.35°C)
0.34°F
(0.19°C)
75th Coolest Coolest since: 1997 1912
52nd Warmest Warmest since: 1995 2012
Ties: 1964
Oct 1996–Sep 1998
24-Month
64.32°F
(17.96°C)
63.99°F
(17.77°C)
0.33°F
(0.19°C)
75th Coolest Coolest since: 1997 1913
51st Warmest Warmest since: 1995 2017
Oct 1995–Sep 1998
36-Month
64.26°F
(17.92°C)
63.98°F
(17.77°C)
0.28°F
(0.15°C)
79th Coolest Coolest since: 1997 1917
46th Warmest Warmest since: 1996 2018
Oct 1994–Sep 1998
48-Month
64.28°F
(17.93°C)
63.96°F
(17.76°C)
0.32°F
(0.17°C)
79th Coolest Coolest since: 1997 1915
45th Warmest Warmest since: 1993 2018
Ties: 1911
Oct 1993–Sep 1998
60-Month
64.31°F
(17.95°C)
63.97°F
(17.76°C)
0.34°F
(0.19°C)
78th Coolest Coolest since: 1997 1907
45th Warmest Warmest since: 1994 2016

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2021, retrieved on October 18, 2021 from https://www.ncdc.noaa.gov/cag/