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, April 1998

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1998
1-Month
38.66°F
(3.70°C)
38.61°F
(3.67°C)
0.05°F
(0.03°C)
60th Coolest
Coolest since:
1920
69th Warmest
Warmest since:
1981
Mar–Apr 1998
2-Month
34.74°F
(1.52°C)
34.29°F
(1.27°C)
0.45°F
(0.25°C)
73rd Coolest
Coolest since:
1950
56th Warmest
Warmest since:
2012
Feb–Apr 1998
3-Month
33.03°F
(0.57°C)
30.47°F
(-0.85°C)
2.56°F
(1.42°C)
120th Coolest
Coolest since:
1899
9th Warmest
Warmest since:
2012
Jan–Apr 1998
4-Month
31.19°F
(-0.45°C)
27.79°F
(-2.34°C)
3.40°F
(1.89°C)
123rd Coolest
Coolest since:
1912
6th Warmest
Warmest since:
2012
Dec 1997–Apr 1998
5-Month
29.94°F
(-1.14°C)
26.76°F
(-2.91°C)
3.18°F
(1.77°C)
121st Coolest
Coolest since:
1899
7th Warmest
Warmest since:
2012
Nov 1997–Apr 1998
6-Month
30.10°F
(-1.06°C)
27.42°F
(-2.54°C)
2.68°F
(1.48°C)
120th Coolest
Coolest since:
1899
8th Warmest
Warmest since:
2017
Oct 1997–Apr 1998
7-Month
31.74°F
(-0.14°C)
29.42°F
(-1.43°C)
2.32°F
(1.29°C)
119th Coolest
Coolest since:
1899
9th Warmest
Warmest since:
2017
Sep 1997–Apr 1998
8-Month
34.51°F
(1.39°C)
32.24°F
(0.13°C)
2.27°F
(1.26°C)
119th Coolest
Coolest since:
1917
9th Warmest
Warmest to Date
2016
Aug 1997–Apr 1998
9-Month
37.27°F
(2.93°C)
35.22°F
(1.79°C)
2.05°F
(1.14°C)
118th Coolest
Coolest since:
1917
10th Warmest
Warmest since:
2017
Jul 1997–Apr 1998
10-Month
39.59°F
(4.22°C)
37.74°F
(3.19°C)
1.85°F
(1.03°C)
117th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
2017
Jun 1997–Apr 1998
11-Month
41.10°F
(5.06°C)
39.37°F
(4.09°C)
1.73°F
(0.97°C)
116th Coolest
Coolest since:
1917
12th Warmest
Warmest since:
2017
May 1997–Apr 1998
12-Month
41.55°F
(5.31°C)
40.04°F
(4.47°C)
1.51°F
(0.84°C)
111th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2016
Nov 1996–Apr 1998
18-Month
37.04°F
(2.80°C)
35.83°F
(2.13°C)
1.21°F
(0.67°C)
105th Coolest
Coolest since:
1918
22nd Warmest
Warmest since:
2017
May 1996–Apr 1998
24-Month
41.09°F
(5.05°C)
40.03°F
(4.46°C)
1.06°F
(0.59°C)
105th Coolest
Coolest since:
1918
22nd Warmest
Warmest since:
2017
May 1995–Apr 1998
36-Month
40.71°F
(4.84°C)
40.02°F
(4.46°C)
0.69°F
(0.38°C)
94th Coolest
Coolest since:
1918
32nd Warmest
Warmest since:
2017
May 1994–Apr 1998
48-Month
40.93°F
(4.96°C)
40.00°F
(4.44°C)
0.93°F
(0.52°C)
100th Coolest
Coolest since:
1918
25th Warmest
Warmest since:
2019
May 1993–Apr 1998
60-Month
40.72°F
(4.84°C)
40.00°F
(4.44°C)
0.72°F
(0.40°C)
95th Coolest
Coolest since:
1920
29th Warmest
Warmest since:
2020
Ties: 1990

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