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 May 2021. For more information, please see Climatological Rankings.


California River Basin

Average Temperature Rankings, May 2015

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
May 2015
1-Month
60.8°F
(16.0°C)
60.7°F
(15.9°C)
0.1°F
(0.1°C)
53rd Coolest Coolest since: 2011 1977
75th Warmest Warmest since: 2014 2001
Ties: 1956, 1975
Apr–May 2015
2-Month
58.8°F
(14.9°C)
57.4°F
(14.1°C)
1.4°F
(0.8°C)
88th Coolest Coolest since: 2011 1967
40th Warmest Warmest since: 2014 1992
Ties: 1952, 1993, 2002, 2006
Mar–May 2015
3-Month
58.1°F
(14.5°C)
54.5°F
(12.5°C)
3.6°F
(2.0°C)
120th Coolest Coolest since: 2012 1917
8th Warmest Warmest since: 2014 1934
Ties: 1931
Feb–May 2015
4-Month
56.9°F
(13.8°C)
52.2°F
(11.2°C)
4.7°F
(2.6°C)
126th Coolest Coolest since: 2014 1917
2nd Warmest Warmest since: 1934 1934
Jan–May 2015
5-Month
55.2°F
(12.9°C)
50.2°F
(10.1°C)
5.0°F
(2.8°C)
127th Coolest Coolest since: 2014 1917
1st Warmest Warmest to Date 2015
Dec 2014–May 2015
6-Month
53.8°F
(12.1°C)
49.0°F
(9.4°C)
4.8°F
(2.7°C)
126th Coolest Coolest since: 2014 1917
1st Warmest Warmest to Date 2015
Nov 2014–May 2015
7-Month
53.7°F
(12.1°C)
49.1°F
(9.5°C)
4.6°F
(2.6°C)
126th Coolest Coolest since: 2014 1917
1st Warmest Warmest to Date 2015
Oct 2014–May 2015
8-Month
55.1°F
(12.8°C)
50.5°F
(10.3°C)
4.6°F
(2.5°C)
126th Coolest Coolest since: 2014 1917
1st Warmest Warmest to Date 2015
Sep 2014–May 2015
9-Month
57.0°F
(13.9°C)
52.5°F
(11.4°C)
4.5°F
(2.5°C)
126th Coolest Coolest since: 2014 1917
1st Warmest Warmest to Date 2015
Aug 2014–May 2015
10-Month
58.8°F
(14.9°C)
54.6°F
(12.6°C)
4.2°F
(2.3°C)
126th Coolest Coolest since: 2014 1917
1st Warmest Warmest to Date 2015
Jul 2014–May 2015
11-Month
60.5°F
(15.8°C)
56.3°F
(13.5°C)
4.2°F
(2.3°C)
126th Coolest Coolest since: 2014 1917
1st Warmest Warmest to Date 2015
Jun 2014–May 2015
12-Month
61.5°F
(16.4°C)
57.4°F
(14.1°C)
4.1°F
(2.3°C)
126th Coolest Coolest since: 2014 1917
1st Warmest Warmest to Date 2015
Dec 2013–May 2015
18-Month
58.8°F
(14.9°C)
54.6°F
(12.6°C)
4.2°F
(2.3°C)
125th Coolest Coolest since: 2014 1917
1st Warmest Warmest to Date 2015
Jun 2013–May 2015
24-Month
60.9°F
(16.1°C)
57.3°F
(14.1°C)
3.6°F
(2.0°C)
125th Coolest Coolest since: 2014 1913, 1917
1st Warmest Warmest to Date 2015
Jun 2012–May 2015
36-Month
60.5°F
(15.8°C)
57.4°F
(14.1°C)
3.1°F
(1.7°C)
123rd Coolest Coolest since: 2014 1913, 1917
2nd Warmest Warmest to Date 2016
Jun 2011–May 2015
48-Month
60.0°F
(15.6°C)
57.3°F
(14.1°C)
2.7°F
(1.5°C)
120th Coolest Coolest since: 2014 1913
4th Warmest Warmest to Date 2016, 2017, 2018
Jun 2010–May 2015
60-Month
59.5°F
(15.3°C)
57.3°F
(14.1°C)
2.2°F
(1.2°C)
116th Coolest Coolest since: 2014 1913, 1917
7th Warmest Warmest to Date 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published June 2021, retrieved on June 13, 2021 from https://www.ncdc.noaa.gov/cag/