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


California River Basin

Average Temperature Rankings, September 2009

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 2009
1-Month
73.0°F
(22.8°C)
68.5°F
(20.3°C)
4.5°F
(2.5°C)
124th Coolest Coolest since: 2008 1986
3rd Warmest Warmest to Date 2020
Aug–Sep 2009
2-Month
73.9°F
(23.3°C)
71.1°F
(21.7°C)
2.8°F
(1.6°C)
121st Coolest Coolest since: 2007 1900
6th Warmest Warmest since: 2008 2020
Ties: 2003, 2017
Jul–Sep 2009
3-Month
75.1°F
(23.9°C)
72.3°F
(22.4°C)
2.8°F
(1.5°C)
120th Coolest Coolest since: 2008 1900
7th Warmest Warmest since: 2003 2020
Ties: 1967
Jun–Sep 2009
4-Month
73.2°F
(22.9°C)
71.3°F
(21.8°C)
1.9°F
(1.1°C)
111th Coolest Coolest since: 2007 1907
16th Warmest Warmest since: 2008 2020
Ties: 1994, 2001
May–Sep 2009
5-Month
71.9°F
(22.2°C)
69.2°F
(20.7°C)
2.7°F
(1.5°C)
119th Coolest Coolest since: 2008 1907
8th Warmest Warmest since: 2006 2020
Apr–Sep 2009
6-Month
69.0°F
(20.6°C)
66.7°F
(19.3°C)
2.3°F
(1.3°C)
117th Coolest Coolest since: 2008 1912
10th Warmest Warmest since: 1992 2020
Mar–Sep 2009
7-Month
66.2°F
(19.0°C)
64.1°F
(17.8°C)
2.1°F
(1.2°C)
112th Coolest Coolest since: 2008 1912
15th Warmest Warmest since: 2007 2014
Ties: 1931, 2012
Feb–Sep 2009
8-Month
63.6°F
(17.6°C)
61.8°F
(16.6°C)
1.8°F
(1.0°C)
110th Coolest Coolest since: 2008 1911
17th Warmest Warmest since: 2007 2015
Ties: 1984, 2000, 2001
Jan–Sep 2009
9-Month
61.7°F
(16.5°C)
59.6°F
(15.3°C)
2.1°F
(1.2°C)
111th Coolest Coolest since: 2008 1903, 1911, 1917
16th Warmest Warmest since: 2004 2015
Dec 2008–Sep 2009
10-Month
59.7°F
(15.4°C)
57.9°F
(14.4°C)
1.8°F
(1.0°C)
104th Coolest Coolest since: 2008 1917, 1933
22nd Warmest Warmest since: 2007 2015
Nov 2008–Sep 2009
11-Month
59.2°F
(15.1°C)
57.2°F
(14.0°C)
2.0°F
(1.1°C)
111th Coolest Coolest since: 2008 1917
15th Warmest Warmest since: 2003 2015
Oct 2008–Sep 2009
12-Month
59.4°F
(15.2°C)
57.4°F
(14.1°C)
2.0°F
(1.1°C)
113th Coolest Coolest since: 2008 1917
13th Warmest Warmest since: 2003 2015
Ties: 1997, 2003
Apr 2008–Sep 2009
18-Month
62.5°F
(16.9°C)
60.5°F
(15.8°C)
2.0°F
(1.1°C)
118th Coolest Coolest since: 2008 1917
8th Warmest Warmest since: 1997 2015
Ties: 1997
Oct 2007–Sep 2009
24-Month
59.0°F
(15.0°C)
57.4°F
(14.1°C)
1.6°F
(0.9°C)
112th Coolest Coolest since: 2008 1913, 1917, 1949
13th Warmest Warmest since: 2007 2015
Ties: 1960, 2007
Oct 2006–Sep 2009
36-Month
59.0°F
(15.0°C)
57.4°F
(14.1°C)
1.6°F
(0.9°C)
114th Coolest Coolest since: 2008 1913
10th Warmest Warmest since: 2004 2016
Ties: 1997, 2003
Oct 2005–Sep 2009
48-Month
59.0°F
(15.0°C)
57.4°F
(14.1°C)
1.6°F
(0.9°C)
113th Coolest Coolest since: 2008 1913
10th Warmest Warmest since: 2004 2017, 2018
Oct 2004–Sep 2009
60-Month
58.8°F
(14.9°C)
57.4°F
(14.1°C)
1.4°F
(0.8°C)
111th Coolest Coolest since: 2008 1913
11th Warmest Warmest since: 2008 2018
Ties: 1996, 2005, 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published May 2021, retrieved on May 12, 2021 from https://www.ncdc.noaa.gov/cag/