Upper Colorado River Basin, Average Temperature Rankings, February 2015
1901-2000
Degrees Fahrenheit
1
33.7
25.6
8.1
127
3
1903
1995
2014
1995
top-tenth
2
31.1
23.4
7.7
129
1
1937
2015
2014
2015
highest
3
30.0
23.2
6.8
127
2
1933
1981
2014
1981
top-tenth
4
30.8
25.4
5.4
124
5
1949
1981
2014
2000
top-tenth
5
34.4
29.4
5.0
127
2
1933
1934
2014
1981
top-tenth
1981
6
38.7
33.9
4.8
127
2
1913
1934
2014
1934
top-tenth
7
42.3
38.3
4.0
127
2
1913
1934
2014
1934
top-tenth
2018
8
45.7
41.9
3.8
126
3
1913
1934,2018
2014
1934
top-tenth
9
47.4
43.9
3.5
125
4
1913
2018
2014
1934
top-tenth
10
47.9
44.7
3.2
126
3
1913
2018
2014
2015
top-tenth
11
47.4
44.4
3.0
126
3
1913
2018
2014
2015
top-tenth
12
46.5
43.4
3.1
126
3
1913
2018
2014
2015
top-tenth
18
42.8
40.3
2.5
119
9
1913
2018
2014
2013
top-tenth
2000,2013
24
45.9
43.4
2.5
121
7
1913,1914
2018
2014
1935
top-tenth
36
46.0
43.4
2.6
123
4
1914
2018
2014
2015
top-tenth
48
45.7
43.4
2.3
119
7
1899,1915
2018
2014
2005
top-tenth
2005,2022
60
45.4
43.4
2.0
112
13
1917
2019
2014
2008
top-third
2007,2008