Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

California River Basin

Average Temperature Rankings, November 2020

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
November 2020
1-Month 		50.9°F
(10.5°C)		 49.5°F
(9.7°C)		 1.4°F
(0.8°C)		 82nd Coolest
Coolest since:
 1994
47th Warmest
Warmest since:
 1995
Ties: 1903, 1969, 1970, 2009
Oct–Nov 2020
2-Month 		58.6°F
(14.8°C)		 54.6°F
(12.6°C)		 4.0°F
(2.2°C)		 126th Coolest
Coolest since:
 1916
3rd Warmest
Warmest since:
 1995
Sep–Nov 2020
3-Month 		63.7°F
(17.6°C)		 59.2°F
(15.1°C)		 4.5°F
(2.5°C)		 128th Coolest
Coolest since:
 1916
1st Warmest
Warmest to Date
 2020
Aug–Nov 2020
4-Month 		67.5°F
(19.7°C)		 62.8°F
(17.1°C)		 4.7°F
(2.6°C)		 128th Coolest
Coolest since:
 1916
1st Warmest
Warmest to Date
 2020
Jul–Nov 2020
5-Month 		69.3°F
(20.7°C)		 65.2°F
(18.4°C)		 4.1°F
(2.3°C)		 128th Coolest
Coolest since:
 1916
1st Warmest
Warmest to Date
 2020
Jun–Nov 2020
6-Month 		69.5°F
(20.8°C)		 65.7°F
(18.7°C)		 3.8°F
(2.1°C)		 128th Coolest
Coolest since:
 1916
1st Warmest
Warmest to Date
 2020, 2021
Ties: 2021
May–Nov 2020
7-Month 		68.8°F
(20.4°C)		 65.0°F
(18.3°C)		 3.8°F
(2.1°C)		 128th Coolest
Coolest since:
 1916
1st Warmest
Warmest to Date
 2020, 2021
Ties: 2021
Apr–Nov 2020
8-Month 		67.3°F
(19.6°C)		 63.6°F
(17.6°C)		 3.7°F
(2.0°C)		 127th Coolest
Coolest since:
 1912
2nd Warmest
Warmest to Date
 2021
Mar–Nov 2020
9-Month 		65.1°F
(18.4°C)		 62.0°F
(16.7°C)		 3.1°F
(1.7°C)		 125th Coolest
Coolest since:
 1912
4th Warmest
Warmest since:
 2014
Feb–Nov 2020
10-Month 		63.5°F
(17.5°C)		 60.3°F
(15.7°C)		 3.2°F
(1.8°C)		 126th Coolest
Coolest since:
 1911, 1912
3rd Warmest
Warmest since:
 2014
Ties: 2021
Jan–Nov 2020
11-Month 		61.9°F
(16.6°C)		 58.7°F
(14.8°C)		 3.2°F
(1.8°C)		 126th Coolest
Coolest since:
 1911, 1912
3rd Warmest
Warmest since:
 2014
Ties: 2021
Dec 2019–Nov 2020
12-Month 		60.4°F
(15.8°C)		 57.4°F
(14.1°C)		 3.0°F
(1.7°C)		 124th Coolest
Coolest since:
 1912
4th Warmest
Warmest since:
 2014
Jun 2019–Nov 2020
18-Month 		62.7°F
(17.1°C)		 60.2°F
(15.7°C)		 2.5°F
(1.4°C)		 121st Coolest
Coolest since:
 1912
7th Warmest
Warmest since:
 2015
Ties: 2017
Dec 2018–Nov 2020
24-Month 		59.4°F
(15.2°C)		 57.4°F
(14.1°C)		 2.0°F
(1.1°C)		 118th Coolest
Coolest since:
 1912
9th Warmest
Warmest since:
 2015
Ties: 2013, 2019
Dec 2017–Nov 2020
36-Month 		59.7°F
(15.4°C)		 57.4°F
(14.1°C)		 2.3°F
(1.3°C)		 118th Coolest
Coolest since:
 1913
8th Warmest
Warmest since:
 2016
Dec 2016–Nov 2020
48-Month 		59.8°F
(15.4°C)		 57.4°F
(14.1°C)		 2.4°F
(1.3°C)		 118th Coolest
Coolest since:
 1912, 1913
7th Warmest
Warmest since:
 2017
Dec 2015–Nov 2020
60-Month 		59.8°F
(15.4°C)		 57.4°F
(14.1°C)		 2.4°F
(1.3°C)		 117th Coolest
Coolest since:
 1913
7th Warmest
Warmest since:
 2018
Ties: 2015

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