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 2015

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 2015
1-Month 		65.2°F
(18.4°C)		 60.8°F
(16.0°C)		 4.4°F
(2.4°C)		 125th Coolest
Coolest since:
 1912
4th Warmest
Warmest since:
 2022
Aug–Sep 2015
2-Month 		68.4°F
(20.2°C)		 65.1°F
(18.4°C)		 3.3°F
(1.8°C)		 123rd Coolest
Coolest since:
 1900
6th Warmest
Warmest since:
 2020
Jul–Sep 2015
3-Month 		69.0°F
(20.6°C)		 67.2°F
(19.6°C)		 1.8°F
(1.0°C)		 106th Coolest
Coolest since:
 1912
23rd Warmest
Warmest since:
 2022
Ties: 1933, 1960, 1990
Jun–Sep 2015
4-Month 		69.3°F
(20.7°C)		 66.2°F
(19.0°C)		 3.1°F
(1.7°C)		 122nd Coolest
Coolest since:
 1907
7th Warmest
Warmest since:
 2021
Ties: 2012
May–Sep 2015
5-Month 		66.3°F
(19.1°C)		 63.8°F
(17.7°C)		 2.5°F
(1.4°C)		 117th Coolest
Coolest since:
 1907, 1965
12th Warmest
Warmest since:
 2021
Ties: 2000, 2006, 2013
Apr–Sep 2015
6-Month 		63.1°F
(17.3°C)		 60.8°F
(16.0°C)		 2.3°F
(1.3°C)		 114th Coolest
Coolest since:
 1912
15th Warmest
Warmest since:
 2021
Ties: 2006, 2013, 2016, 2017
Mar–Sep 2015
7-Month 		60.7°F
(15.9°C)		 57.6°F
(14.2°C)		 3.1°F
(1.7°C)		 122nd Coolest
Coolest since:
 1912
7th Warmest
Warmest since:
 1934, 2007, 2021
Ties: 2001
Feb–Sep 2015
8-Month 		58.3°F
(14.6°C)		 54.5°F
(12.5°C)		 3.8°F
(2.1°C)		 128th Coolest
Coolest since:
 1903
1st Warmest
Warmest since:
 1934, 2015
Ties: 1934
Jan–Sep 2015
9-Month 		55.8°F
(13.2°C)		 51.6°F
(10.9°C)		 4.2°F
(2.3°C)		 128th Coolest
Coolest since:
 1917
1st Warmest
Warmest to Date
 2015
Dec 2014–Sep 2015
10-Month 		53.6°F
(12.0°C)		 49.4°F
(9.7°C)		 4.2°F
(2.3°C)		 127th Coolest
Coolest since:
 1917
1st Warmest
Warmest to Date
 2015
Nov 2014–Sep 2015
11-Month 		52.4°F
(11.3°C)		 48.4°F
(9.1°C)		 4.0°F
(2.2°C)		 127th Coolest
Coolest since:
 1917
1st Warmest
Warmest to Date
 2015
Oct 2014–Sep 2015
12-Month 		52.5°F
(11.4°C)		 48.4°F
(9.1°C)		 4.1°F
(2.3°C)		 127th Coolest
Coolest since:
 1917
1st Warmest
Warmest to Date
 2015
Apr 2014–Sep 2015
18-Month 		56.0°F
(13.3°C)		 52.5°F
(11.4°C)		 3.5°F
(1.9°C)		 127th Coolest
Coolest since:
 1917
1st Warmest
Warmest to Date
 2015
Oct 2013–Sep 2015
24-Month 		51.5°F
(10.8°C)		 48.4°F
(9.1°C)		 3.1°F
(1.7°C)		 125th Coolest
Coolest since:
 1913
2nd Warmest
Warmest to Date
 2016
Oct 2012–Sep 2015
36-Month 		51.0°F
(10.6°C)		 48.4°F
(9.1°C)		 2.6°F
(1.5°C)		 121st Coolest
Coolest since:
 1917
5th Warmest
Warmest to Date
 2017
Oct 2011–Sep 2015
48-Month 		51.0°F
(10.6°C)		 48.4°F
(9.1°C)		 2.6°F
(1.5°C)		 122nd Coolest
Coolest since:
 1915
3rd Warmest
Warmest to Date
 2018
Oct 2010–Sep 2015
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 to Date
 2018
Ties: 2020

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