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 2021

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 2021
1-Month
64.7°F
(18.2°C)
60.8°F
(16.0°C)
3.9°F
(2.2°C)
120th Coolest
Coolest since:
1912
9th Warmest
Warmest since:
2022
Ties: 1979
Aug–Sep 2021
2-Month
68.0°F
(20.0°C)
65.1°F
(18.4°C)
2.9°F
(1.6°C)
120th Coolest
Coolest since:
1900
9th Warmest
Warmest since:
2020
Jul–Sep 2021
3-Month
71.0°F
(21.7°C)
67.3°F
(19.6°C)
3.7°F
(2.1°C)
125th Coolest
Coolest since:
1912
4th Warmest
Warmest since:
2022
Jun–Sep 2021
4-Month
71.2°F
(21.8°C)
66.2°F
(19.0°C)
5.0°F
(2.8°C)
128th Coolest
Coolest since:
1907
1st Warmest
Warmest to Date
2021
May–Sep 2021
5-Month
68.3°F
(20.2°C)
63.9°F
(17.7°C)
4.4°F
(2.5°C)
128th Coolest
Coolest since:
1907, 1965
1st Warmest
Warmest to Date
2021
Apr–Sep 2021
6-Month
64.9°F
(18.3°C)
60.8°F
(16.0°C)
4.1°F
(2.3°C)
128th Coolest
Coolest since:
1912
1st Warmest
Warmest to Date
2021
Mar–Sep 2021
7-Month
61.1°F
(16.2°C)
57.6°F
(14.2°C)
3.5°F
(2.0°C)
128th Coolest
Coolest since:
1912
1st Warmest
Warmest since:
1934, 2007, 2021
Ties: 1934, 2007
Feb–Sep 2021
8-Month
57.8°F
(14.3°C)
54.5°F
(12.5°C)
3.3°F
(1.8°C)
125th Coolest
Coolest since:
1903
4th Warmest
Warmest since:
1934, 2015
Jan–Sep 2021
9-Month
54.9°F
(12.7°C)
51.6°F
(10.9°C)
3.3°F
(1.8°C)
125th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2015
Dec 2020–Sep 2021
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, 2020
Nov 2020–Sep 2021
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, 2020, 2022
Oct 2020–Sep 2021
12-Month
51.5°F
(10.8°C)
48.4°F
(9.1°C)
3.1°F
(1.7°C)
123rd Coolest
Coolest since:
1917
5th Warmest
Warmest since:
2015
Apr 2020–Sep 2021
18-Month
55.7°F
(13.2°C)
52.6°F
(11.4°C)
3.1°F
(1.8°C)
126th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2015
Ties: 2022
Oct 2019–Sep 2021
24-Month
51.1°F
(10.6°C)
48.4°F
(9.1°C)
2.7°F
(1.5°C)
122nd Coolest
Coolest since:
1913
5th Warmest
Warmest since:
2016
Oct 2018–Sep 2021
36-Month
50.3°F
(10.2°C)
48.4°F
(9.1°C)
1.9°F
(1.1°C)
116th Coolest
Coolest since:
1917
10th Warmest
Warmest since:
2017
Ties: 1936, 2003, 2004
Oct 2017–Sep 2021
48-Month
50.7°F
(10.4°C)
48.4°F
(9.1°C)
2.3°F
(1.3°C)
120th Coolest
Coolest since:
1915
5th Warmest
Warmest since:
2018
Oct 2016–Sep 2021
60-Month
50.8°F
(10.4°C)
48.4°F
(9.1°C)
2.4°F
(1.3°C)
119th Coolest
Coolest since:
1917
5th Warmest
Warmest since:
2018
Ties: 2022

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