Upper Colorado River Basin December 1909 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
12.0
23.0
-11.0
1
129
1909
1980
1909
1908
lowest
2
22.6
27.5
-4.9
4
126
1895
2017
1898
1908
bottom-tenth
3
30.5
33.5
-3.0
11
119
1898
1950,2017
1908
1907
bottom-tenth
1932,1971
4
36.8
39.2
-2.4
11
119
1898,1912
2021
1908
1907
bottom-tenth
5
42.5
44.3
-1.8
15
115
1912
2021
1908
1907
bottom-third
1899,1932
6
46.6
48.1
-1.5
16
114
1912
2021
1908
1907
bottom-third
1902,1913,1932,1993
7
48.6
49.9
-1.3
19
111
1912
2021
1908
1907
bottom-third
1915,1919,1971
8
48.5
50.0
-1.5
10
120
1912
2021
1908
1907
bottom-tenth
1907,1915,1920,1968
9
47.3
49.1
-1.8
7
123
1912
2021
1908
1907
bottom-tenth
1968
10
45.6
47.5
-1.9
5
125
1912
2012
1908
1907
bottom-tenth
1916,1924
11
43.5
45.5
-2.0
5
125
1912
2017
1908
1907
bottom-tenth
1923
12
42.0
43.4
-1.4
16
114
1895,1912
2012
1908
1907
bottom-third
1923,1964
18
43.1
45.0
-1.9
5
124
1912
1934
1903
1908
bottom-tenth
1898,1899
24
41.6
43.4
-1.8
3
126
1913
2018
1899
1908
bottom-tenth
1912,1917
36
42.4
43.4
-1.0
15
113
1899,1913
2017
1905
1908
bottom-third
1900,1904,1915,1925,1931,1932
48
42.5
43.4
-0.9
16
111
1898
2018
1906
1908
bottom-third
1912,1930
60
42.5
43.4
-0.9
13
113
1899
2018
1906
1908
bottom-tenth
1906,1914,1924