Lower Colorado River Basin December 2005 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
42.5
40.2
2.3
98
32
1909
1980
2004
2000
top-third
2
46.9
44.1
2.8
115
15
1931
2017
2004
1999
top-third
1910,1921,1937
3
51.8
49.3
2.5
113
17
1911
2017
2004
2003
top-third
1955,1980,2003
4
57.0
54.7
2.3
112
18
1912
2017
2004
2003
top-third
1962
5
60.9
59.2
1.7
108
22
1912
2017,2020
2004
2003
top-third
6
64.4
62.4
2.0
115
15
1912
2020
2004
2003
top-third
7
65.7
64.0
1.7
111
19
1912
2017
2004
2003
top-third
1937
8
65.8
64.0
1.8
114
16
1912
2020
2004
2003
top-third
1937
9
64.7
63.1
1.6
109
21
1912
2020
2004
2003
top-third
10
63.1
61.6
1.5
108
22
1912
2017
2004
2003
top-third
1940,2006,2008
11
61.5
60.0
1.5
109
21
1912
2017
2004
2003
top-third
1954,2006,2023
12
60.1
58.2
1.9
115
15
1912
2017
2004
2003
top-third
1910,2001,2022
18
60.8
59.6
1.2
100
29
1913
2017
1998
2004
top-third
1943,2019
24
59.7
58.2
1.5
106
23
1913
2017,2018
1999
2004
top-third
1981,1995
36
60.0
58.2
1.8
113
15
1913
2018
2004
2004
top-third
1996,1997,2004
48
60.0
58.2
1.8
114
13
1915
2017,2018
2004
2004
top-tenth
2004,2006,2008
60
60.0
58.2
1.8
113
13
1915,1916
2018
2002
2004
top-tenth
2006,2014