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, October 1999

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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
October 1999
1-Month
40.62°F
(4.79°C)
41.41°F
(5.23°C)
-0.79°F
(-0.44°C)
30th Coolest
Coolest since:
1917
99th Warmest
Warmest since:
1947
Sep–Oct 1999
2-Month
45.68°F
(7.60°C)
46.66°F
(8.14°C)
-0.98°F
(-0.54°C)
22nd Coolest
Coolest since:
1917
107th Warmest
Warmest since:
2015
Aug–Oct 1999
3-Month
50.41°F
(10.23°C)
50.79°F
(10.44°C)
-0.38°F
(-0.21°C)
36th Coolest
Coolest since:
1917
93rd Warmest
Warmest since:
2016
Ties: 1956
Jul–Oct 1999
4-Month
53.24°F
(11.80°C)
53.22°F
(11.79°C)
0.02°F
(0.01°C)
58th Coolest
Coolest since:
1976
71st Warmest
Warmest since:
2021
Ties: 1970
Jun–Oct 1999
5-Month
53.84°F
(12.13°C)
53.70°F
(12.06°C)
0.14°F
(0.07°C)
64th Coolest
Coolest since:
1917
65th Warmest
Warmest since:
2021
May–Oct 1999
6-Month
52.76°F
(11.53°C)
52.66°F
(11.48°C)
0.10°F
(0.05°C)
56th Coolest
Coolest since:
1917
73rd Warmest
Warmest since:
2018
Ties: 1898, 1970
Apr–Oct 1999
7-Month
50.89°F
(10.49°C)
50.65°F
(10.36°C)
0.24°F
(0.13°C)
68th Coolest
Coolest since:
1917
61st Warmest
Warmest since:
2015
Ties: 1980
Mar–Oct 1999
8-Month
48.38°F
(9.10°C)
48.07°F
(8.93°C)
0.31°F
(0.17°C)
77th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
2016
Ties: 1918, 1919
Feb–Oct 1999
9-Month
46.14°F
(7.86°C)
45.26°F
(7.37°C)
0.88°F
(0.49°C)
98th Coolest
Coolest since:
1917
31st Warmest
Warmest since:
2016
Ties: 2013
Jan–Oct 1999
10-Month
43.84°F
(6.58°C)
42.71°F
(5.95°C)
1.13°F
(0.63°C)
102nd Coolest
Coolest since:
1917
27th Warmest
Warmest since:
2016
Ties: 1983
Dec 1998–Oct 1999
11-Month
42.14°F
(5.63°C)
40.89°F
(4.94°C)
1.25°F
(0.69°C)
104th Coolest
Coolest since:
1917
24th Warmest
Warmest since:
2016
Nov 1998–Oct 1999
12-Month
41.55°F
(5.31°C)
40.04°F
(4.47°C)
1.51°F
(0.84°C)
113th Coolest
Coolest since:
1917
15th Warmest
Warmest since:
2016
May 1998–Oct 1999
18-Month
45.98°F
(7.77°C)
44.25°F
(6.81°C)
1.73°F
(0.96°C)
118th Coolest
Coolest since:
1917
10th Warmest
Warmest to Date
2016
Nov 1997–Oct 1999
24-Month
42.01°F
(5.56°C)
40.04°F
(4.47°C)
1.97°F
(1.09°C)
120th Coolest
Coolest since:
1917, 1918
7th Warmest
Warmest to Date
2017
Nov 1996–Oct 1999
36-Month
41.51°F
(5.28°C)
40.02°F
(4.46°C)
1.49°F
(0.82°C)
112th Coolest
Coolest since:
1918
14th Warmest
Warmest to Date
2017
Nov 1995–Oct 1999
48-Month
41.15°F
(5.08°C)
40.01°F
(4.45°C)
1.14°F
(0.63°C)
104th Coolest
Coolest since:
1918
21st Warmest
Warmest to Date
2018
Ties: 2009
Nov 1994–Oct 1999
60-Month
41.19°F
(5.11°C)
40.00°F
(4.44°C)
1.19°F
(0.67°C)
103rd Coolest
Coolest since:
1920
21st Warmest
Warmest to Date
2019, 2020
Ties: 2010

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