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, September 2020

View Period (Months):
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  • Record Coolest
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  • Bottom 1/3
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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
September 2020
1-Month
65.3°F
(18.5°C)
60.8°F
(16.0°C)
4.5°F
(2.5°C)
126th Coolest
Coolest since:
1912
3rd Warmest
Warmest since:
2022
Aug–Sep 2020
2-Month
70.2°F
(21.2°C)
65.1°F
(18.4°C)
5.1°F
(2.8°C)
128th Coolest
Coolest since:
1900
1st Warmest
Warmest to Date
2020
Jul–Sep 2020
3-Month
71.3°F
(21.8°C)
67.2°F
(19.6°C)
4.1°F
(2.2°C)
127th Coolest
Coolest since:
1912
2nd Warmest
Warmest to Date
2022
Jun–Sep 2020
4-Month
69.6°F
(20.9°C)
66.3°F
(19.1°C)
3.3°F
(1.8°C)
125th Coolest
Coolest since:
1907
4th Warmest
Warmest since:
2021
Ties: 2003
May–Sep 2020
5-Month
67.3°F
(19.6°C)
63.9°F
(17.7°C)
3.4°F
(1.9°C)
125th Coolest
Coolest since:
1907, 1965
4th Warmest
Warmest since:
2021
Apr–Sep 2020
6-Month
64.0°F
(17.8°C)
60.8°F
(16.0°C)
3.2°F
(1.8°C)
126th Coolest
Coolest since:
1912
3rd Warmest
Warmest since:
2021
Ties: 2012
Mar–Sep 2020
7-Month
60.6°F
(15.9°C)
57.6°F
(14.2°C)
3.0°F
(1.7°C)
120th Coolest
Coolest since:
1912
9th Warmest
Warmest since:
1934, 2007, 2021
Ties: 2017
Feb–Sep 2020
8-Month
57.3°F
(14.1°C)
54.5°F
(12.5°C)
2.8°F
(1.6°C)
120th Coolest
Coolest since:
1903
9th Warmest
Warmest since:
1934, 2015
Ties: 2018
Jan–Sep 2020
9-Month
54.7°F
(12.6°C)
51.6°F
(10.9°C)
3.1°F
(1.7°C)
122nd Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2015
Ties: 2003, 2012
Dec 2019–Sep 2020
10-Month
52.4°F
(11.3°C)
49.4°F
(9.7°C)
3.0°F
(1.6°C)
124th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2015
Ties: 1940, 2000, 2003, 2021
Nov 2019–Sep 2020
11-Month
51.3°F
(10.7°C)
48.4°F
(9.1°C)
2.9°F
(1.6°C)
123rd Coolest
Coolest since:
1917
5th Warmest
Warmest since:
2015
Ties: 1940, 2021, 2022
Oct 2019–Sep 2020
12-Month
50.7°F
(10.4°C)
48.5°F
(9.2°C)
2.2°F
(1.2°C)
114th Coolest
Coolest since:
1917
14th Warmest
Warmest since:
2015
Apr 2019–Sep 2020
18-Month
54.3°F
(12.4°C)
52.6°F
(11.4°C)
1.7°F
(1.0°C)
111th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2015
Oct 2018–Sep 2020
24-Month
49.7°F
(9.8°C)
48.4°F
(9.1°C)
1.3°F
(0.7°C)
106th Coolest
Coolest since:
1913
21st Warmest
Warmest since:
2016
Ties: 1940, 1941, 1996, 2005, 2008
Oct 2017–Sep 2020
36-Month
50.4°F
(10.2°C)
48.4°F
(9.1°C)
2.0°F
(1.1°C)
117th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
2017
Oct 2016–Sep 2020
48-Month
50.6°F
(10.3°C)
48.4°F
(9.1°C)
2.2°F
(1.2°C)
119th Coolest
Coolest since:
1915
6th Warmest
Warmest since:
2018
Ties: 2003, 2019
Oct 2015–Sep 2020
60-Month
50.6°F
(10.3°C)
48.4°F
(9.1°C)
2.2°F
(1.2°C)
117th Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2018
Ties: 2015

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