Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Great Basin

Average Temperature Rankings, October 2009

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  • Record Coolest
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  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
October 2009
1-Month
46.7°F
(8.2°C)
49.7°F
(9.8°C)
-3.0°F
(-1.6°C)
20th Coolest
Coolest since:
1919
109th Warmest
Warmest since:
1988
Ties: 1981
Sep–Oct 2009
2-Month
56.1°F
(13.4°C)
55.3°F
(12.9°C)
0.8°F
(0.5°C)
83rd Coolest
Coolest since:
1912
46th Warmest
Warmest since:
2015
Aug–Oct 2009
3-Month
60.6°F
(15.9°C)
60.0°F
(15.6°C)
0.6°F
(0.3°C)
76th Coolest
Coolest since:
1912
53rd Warmest
Warmest since:
2020
Ties: 1998
Jul–Oct 2009
4-Month
63.7°F
(17.6°C)
62.8°F
(17.1°C)
0.9°F
(0.5°C)
88th Coolest
Coolest since:
1912
41st Warmest
Warmest since:
2022
Ties: 1921, 1942, 1977, 1998
Jun–Oct 2009
5-Month
63.3°F
(17.4°C)
63.0°F
(17.2°C)
0.3°F
(0.2°C)
71st Coolest
Coolest since:
1912
58th Warmest
Warmest since:
2022
Ties: 1953, 1955, 1962, 1989, 2005
May–Oct 2009
6-Month
62.6°F
(17.0°C)
61.5°F
(16.4°C)
1.1°F
(0.6°C)
94th Coolest
Coolest since:
1912
35th Warmest
Warmest since:
2003
Ties: 1922, 1926, 1933
Apr–Oct 2009
7-Month
60.1°F
(15.6°C)
59.2°F
(15.1°C)
0.9°F
(0.5°C)
89th Coolest
Coolest since:
1912
40th Warmest
Warmest since:
2020
Ties: 1919, 1954, 1985
Mar–Oct 2009
8-Month
57.5°F
(14.2°C)
56.6°F
(13.7°C)
0.9°F
(0.5°C)
91st Coolest
Coolest since:
1912
38th Warmest
Warmest since:
1934, 2015
Ties: 1921, 1979, 2008
Feb–Oct 2009
9-Month
54.9°F
(12.7°C)
53.9°F
(12.2°C)
1.0°F
(0.5°C)
94th Coolest
Coolest since:
1912
35th Warmest
Warmest since:
2015
Ties: 1921, 1954, 1972, 1989, 1997
Jan–Oct 2009
10-Month
52.7°F
(11.5°C)
51.4°F
(10.8°C)
1.3°F
(0.7°C)
103rd Coolest
Coolest since:
1917
26th Warmest
Warmest since:
2015
Ties: 1936, 1987, 2004
Dec 2008–Oct 2009
11-Month
50.5°F
(10.3°C)
49.4°F
(9.7°C)
1.1°F
(0.6°C)
93rd Coolest
Coolest since:
1917
35th Warmest
Warmest since:
2015
Ties: 1947
Nov 2008–Oct 2009
12-Month
49.9°F
(9.9°C)
48.4°F
(9.1°C)
1.5°F
(0.8°C)
105th Coolest
Coolest since:
1917
23rd Warmest
Warmest since:
2015
May 2008–Oct 2009
18-Month
54.2°F
(12.3°C)
52.8°F
(11.6°C)
1.4°F
(0.7°C)
107th Coolest
Coolest since:
1917
21st Warmest
Warmest since:
2015
Nov 2007–Oct 2009
24-Month
49.4°F
(9.7°C)
48.4°F
(9.1°C)
1.0°F
(0.6°C)
95th Coolest
Coolest since:
1949
32nd Warmest
Warmest since:
2015
Ties: 1960, 1978, 1982, 1990, 2005
Nov 2006–Oct 2009
36-Month
49.8°F
(9.9°C)
48.4°F
(9.1°C)
1.4°F
(0.8°C)
107th Coolest
Coolest since:
1913
19th Warmest
Warmest since:
2016
Ties: 2013
Nov 2005–Oct 2009
48-Month
49.9°F
(9.9°C)
48.4°F
(9.1°C)
1.5°F
(0.8°C)
110th Coolest
Coolest since:
1913
15th Warmest
Warmest since:
2018
Ties: 2007
Nov 2004–Oct 2009
60-Month
49.8°F
(9.9°C)
48.4°F
(9.1°C)
1.4°F
(0.8°C)
109th Coolest
Coolest since:
1917
15th Warmest
Warmest since:
2018
Ties: 2001, 2014

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