Climate at a Glance

Regional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of July 2022. For more information, please see Climatological Rankings.


California River Basin

Average Temperature Rankings, April 2021

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 2021
1-Month
58.3°F
(14.6°C)
54.0°F
(12.2°C)
4.3°F
(2.4°C)
122nd Coolest Coolest since: 2020 1967
7th Warmest Warmest since: 1992 1989
Ties: 1939
Mar–Apr 2021
2-Month
53.2°F
(11.8°C)
51.3°F
(10.7°C)
1.9°F
(1.1°C)
94th Coolest Coolest since: 2020 1967
35th Warmest Warmest since: 2019 1934
Ties: 1930
Feb–Apr 2021
3-Month
51.3°F
(10.7°C)
49.4°F
(9.7°C)
1.9°F
(1.0°C)
103rd Coolest Coolest since: 2020 1922
26th Warmest Warmest since: 2020 2015
Ties: 1940, 2020
Jan–Apr 2021
4-Month
49.8°F
(9.9°C)
47.6°F
(8.7°C)
2.2°F
(1.2°C)
113th Coolest Coolest since: 2020 1922
16th Warmest Warmest since: 2020 2015
Ties: 1931, 1940, 2013, 2020
Dec 2020–Apr 2021
5-Month
49.0°F
(9.4°C)
46.7°F
(8.2°C)
2.3°F
(1.2°C)
111th Coolest Coolest since: 2020 1917, 1949
17th Warmest Warmest since: 2018 2015
Nov 2020–Apr 2021
6-Month
49.3°F
(9.6°C)
47.2°F
(8.4°C)
2.1°F
(1.2°C)
113th Coolest Coolest since: 2019 1917
15th Warmest Warmest since: 2020 2015
Oct 2020–Apr 2021
7-Month
51.7°F
(10.9°C)
48.9°F
(9.4°C)
2.8°F
(1.5°C)
120th Coolest Coolest since: 2020 1917
8th Warmest Warmest since: 2018 2015
Ties: 1992, 2016
Sep 2020–Apr 2021
8-Month
54.5°F
(12.5°C)
51.4°F
(10.8°C)
3.1°F
(1.7°C)
124th Coolest Coolest since: 2020 1917
4th Warmest Warmest since: 2015 2015
Aug 2020–Apr 2021
9-Month
57.2°F
(14.0°C)
53.9°F
(12.2°C)
3.3°F
(1.8°C)
126th Coolest Coolest since: 2020 1917
2nd Warmest Warmest since: 2015 2015
Jul 2020–Apr 2021
10-Month
59.1°F
(15.1°C)
55.9°F
(13.3°C)
3.2°F
(1.8°C)
126th Coolest Coolest since: 2020 1917
2nd Warmest Warmest since: 2018 2015
Ties: 2018
Jun 2020–Apr 2021
11-Month
60.2°F
(15.7°C)
57.1°F
(13.9°C)
3.1°F
(1.8°C)
124th Coolest Coolest since: 2020 1917
4th Warmest Warmest since: 2018 2015
May 2020–Apr 2021
12-Month
60.5°F
(15.8°C)
57.3°F
(14.1°C)
3.2°F
(1.7°C)
124th Coolest Coolest since: 2020 1917
4th Warmest Warmest since: 2018 2015
Nov 2019–Apr 2021
18-Month
56.8°F
(13.8°C)
53.9°F
(12.2°C)
2.9°F
(1.6°C)
123rd Coolest Coolest since: 2020 1949
4th Warmest Warmest since: 2018 2015
Ties: 2018
May 2019–Apr 2021
24-Month
59.7°F
(15.4°C)
57.4°F
(14.1°C)
2.3°F
(1.3°C)
120th Coolest Coolest since: 2020 1913
7th Warmest Warmest since: 2019 2015
Ties: 2017
May 2018–Apr 2021
36-Month
59.6°F
(15.3°C)
57.3°F
(14.1°C)
2.3°F
(1.2°C)
119th Coolest Coolest since: 2020 1913, 1917
7th Warmest Warmest since: 2020 2016
Ties: 2020
May 2017–Apr 2021
48-Month
59.9°F
(15.5°C)
57.4°F
(14.1°C)
2.5°F
(1.4°C)
121st Coolest Coolest since: 2020 1913
4th Warmest Warmest since: 2019 2018
Ties: 2015, 2019, 2022
May 2016–Apr 2021
60-Month
59.8°F
(15.4°C)
57.4°F
(14.1°C)
2.4°F
(1.3°C)
118th Coolest Coolest since: 2020 1913
6th Warmest Warmest since: 2019 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published August 2022, retrieved on August 10, 2022 from https://www.ncei.noaa.gov/cag/