Idaho September 1897 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
55.1
54.7
0.4
66
64
1912,1965
1990
1896
1897
normal
2006
2
60.6
59.2
1.4
99
31
1912
2022
1896
1897
top-third
1904,1953,2018,2021
3
61.1
61.1
0.0
53
77
1912
2022
1895
1896
normal
1999,2010
4
59.9
60.0
-0.1
49
81
1993
2021
1895
1896
normal
1909,1920,1956,1959
5
59.2
57.9
1.3
100
30
1912
2021
1896
1897
top-third
1919,2016
6
56.3
55.1
1.2
99
31
1912
2021
1896
1897
top-third
1930,1939,1961,2009
7
51.9
51.8
0.1
60
70
1912
1934,2015
1896
1897
normal
1972
8
48.5
48.7
-0.2
50
80
1964
1934,2015
1896
1897
normal
1904,1937,1953,1970
9
45.6
45.7
-0.1
49
81
1917
1934
1895
1896
normal
1904,1906,1909,1968,1973
10
44.0
43.5
0.5
73
56
1917
1934
1896
1897
normal
1905,2023
11
42.4
42.5
-0.1
51
78
1917
1934
1896
1896
normal
1896,1904,1908,1909,1927,1928,2023
12
42.5
42.6
-0.1
50
79
1917
1934
1897
1896
normal
1907,1924,1991
18
46.4
46.7
-0.3
41
88
1917
2015
1897
1896
bottom-third
1928,1957,2011
24
42.6
42.6
0.0
53
75
1917
2016
1897
1897
normal
1902,1909,1928,1931,1942,1948,1962
36
-99
42.6
-99
-99
-99
1917
2017
normal
48
-99
42.6
-99
-99
-99
1913,1917,1932
2018
normal
60
-99
42.6
-99
-99
-99
1917,1933
2016,2017,2018
normal