California River Basin, Average Temperature Rankings, May 2018
1901-2000
Degrees Fahrenheit
1
63.0
60.7
2.3
96
33
1977
2001
2016
2017
top-third
2
60.1
57.4
2.7
107
22
1967
1992
2017
2016
top-third
1926,2016
3
56.4
54.5
1.9
94
35
1917
1934
2012
2017
top-third
2020
4
53.9
52.2
1.7
101
28
1917
1934
2012
2017
top-third
1928,1988,2009
5
52.9
50.2
2.7
117
12
1917
2015
2017
2016
top-tenth
1931
6
52.0
49.1
2.9
122
6
1917
2015
2017
2015
top-tenth
1996
7
52.2
49.1
3.1
123
5
1917
2015
2017
2015
top-tenth
1997
8
53.4
50.4
3.0
122
6
1917
2015
2017
2015
top-tenth
2000
9
55.2
52.4
2.8
120
8
1917
2015
2017
2015
top-tenth
10
57.5
54.6
2.9
123
5
1917
2015
2017
2015
top-tenth
1992
11
59.4
56.4
3.0
125
3
1917
2015
2017
2015
top-tenth
1934
12
60.6
57.4
3.2
126
2
1917
2015
2017
2015
top-tenth
18
57.3
54.6
2.7
122
5
1917
2015
2017
2016
top-tenth
2014
24
60.1
57.4
2.7
123
4
1913,1917
2015
2017
2016
top-tenth
36
60.1
57.4
2.7
122
4
1913,1917
2016
2014
2017
top-tenth
2022
48
60.4
57.4
3.0
124
1
1913
2016,2017,2018
2017
2017
highest
2016,2017
60
60.4
57.3
3.1
123
1
1913,1917
2018
2017
2018
highest