Upper Colorado River Basin April 2019 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
45.2
41.7
3.5
113
17
1920
1992
2018
2012
top-third
1910
2
39.2
37.3
1.9
100
30
1917
1934,1992
2013
2018
top-third
1915,2021
3
33.8
33.4
0.4
72
58
1903
1934
2013
2018
normal
1959
4
31.0
30.3
0.7
74
56
1917
1934
2013
2018
normal
1947,1956,1993
5
29.5
28.8
0.7
70
59
1917
1934
2013
2018
normal
1936,1941,1945,1958
6
29.8
29.4
0.4
62
67
1917
1934
2010
2018
normal
1921,1946
7
31.8
31.7
0.1
57
72
1917
1934
2010
2018
normal
1901,1908,1916,1936
8
35.6
34.8
0.8
81
48
1917
1934
2010
2018
normal
1994
9
39.1
38.1
1.0
88
41
1917
1934
2010
2018
top-third
1956,1961,1967,1982
10
42.4
41.0
1.4
93
36
1917
1934
2013
2018
top-third
1989,2013
11
44.5
42.7
1.8
106
23
1917
1934
2011
2018
top-third
1940,1959,1986,1989,2005,2007
12
45.4
43.4
2.0
111
18
1917
1934,2015,2018
2013
2018
top-third
1959,2007,2013
18
41.8
38.7
3.1
124
4
1913
2018
2017
2018
top-tenth
2015
24
46.2
43.4
2.8
124
4
1913
2018
2017
2018
top-tenth
2015
36
46.4
43.4
3.0
126
1
1914
2017,2018,2019
2018
2018
highest
2017,2018
48
46.2
43.4
2.8
124
2
1899,1915
2018
2017
2018
top-tenth
2017
60
46.3
43.4
2.9
124
1
1917
2018,2019
2018
2018
highest
2018