Upper Colorado River Basin April 1983 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
36.8
41.7
-4.9
4
126
1920
1992
1975
1982
bottom-tenth
2
35.7
37.3
-1.6
29
101
1917
1934,1992
1975
1982
bottom-third
3
33.4
33.4
0.0
56
74
1903
1934
1982
1981
normal
1902,1905,1980,2013
4
31.6
30.3
1.3
89
41
1917
1934
1982
1981
top-third
1926,1961,1967,1989
5
30.0
28.8
1.2
85
44
1917
1934
1982
1981
normal
1918
6
30.0
29.4
0.6
70
59
1917
1934
1980
1982
normal
1905,1928,1945,1970,2013
7
31.7
31.7
0.0
53
76
1917
1934
1979
1982
normal
1921,1971,1976
8
34.8
34.8
0.0
57
72
1917
1934
1979
1982
normal
1904,1970,1972,2010
9
38.4
38.1
0.3
67
62
1917
1934
1979
1982
normal
1970,1972
10
41.2
41.0
0.2
62
67
1917
1934
1979
1982
normal
1927,1994,2010
11
42.8
42.7
0.1
61
68
1917
1934
1979
1982
normal
1950,1970,1994
12
43.4
43.4
0.0
53
76
1917
1934,2015,2018
1979
1982
normal
1901,1918
18
39.1
38.7
0.4
63
65
1913
2018
1980
1982
normal
1907
24
44.0
43.4
0.6
83
45
1913
2018
1980
1982
normal
1934,1940,1955,1961,2011
36
44.7
43.4
1.3
100
27
1914
2017,2018,2019
1981
1982
top-third
1990,1991,1992
48
44.5
43.4
1.1
97
29
1899,1915
2018
1982
1937
top-third
1989,1990,1991,1995,1996,2011
60
43.9
43.4
0.5
79
46
1917
2018,2019
1980
1982
normal
1937,1943,1960,1985