Colorado Climatology 
3i 
TABLE XIV—MONTHLY MEAN TEMPERATURE 
At the Colorado Experiment Station, Fort Collins, Colorado. 
Date. 
Jan. 
Feb. 
Mar. 
Apr. 
May 
Junejf Julyj|Aug\ 
Sept.j Oct. 
> 
0 
Z 
Dec. 
Yr. 
1887 . 
1888 . 
1889 . 
1890 . 
1891 . 
1892 . 
1893 . 
1894 . 
1895 . 
1896.. 
1897 . 
1898 . 
1899 . 
1900 . 
1901 . 
1902 . 
1903 . 
1904 . 
1905 . 
1906 . 
1907 . 
1908 . 
1909 . 
1910 . 
1911 . 
25.7 
22.2 
22.2 
24.7 
22.2 
21.1 
32.6 
23.9 
23.9 
32.6 
24.8 
25.6 
24.7 
30.9 
28.2 
24.2 
30.3 
26.1 
25.2 
30.9 
25.9 
28.2 
29.5 
25.3 
31.5 
23.7 
37.1 
25.6 
40.0 
19.8 
27.8 
26.9 
18.7 
21.1 
33.4 
27.6 
34.1 
9.9 
24.2 
23.9 
32.0 
14.0 
35.3 
21.4 
30.5 
35.4 
31.1 
28.8 
26.5 
26.6 
39.8 
37.4 
41.6 
38.0 
30.5 
33.7 
35.2 
37.4 
34.2 
34.0 
32.3 
32.7 
29.7 
39.1 
34.7 
35.3 
30.6 
39.6 
42.2 
25.0 
43.3 
40.3 
34.8 
47.1 
41.6 
45.2 
55.3 
50.6 
46.5 
46.6 
44.0 
42.7 
48.3 
49.2 
46.6 
45.8 
47.7 
44.7 
42.9 
44.0 
45.7 
45.3 
46.2 
43.4 
47.1 
42.5 
47.8 
41.8 
50.2 
46.3 
57.7 
54.4 
54.1 
58.0 
54.8 
50.0 
52.3 
57.2 
53.6 
57.0 
58.1 
51.6 
53.8 
57.8 
57.0 
56.1 
52.2 
53.7 
52.1 
55.0 
48.9 
51.9 
51.8 
53.7 
55.6 
68.1 
68.1 
63.5 
64.0 
60.9 
61.7 
65.3 
63.2 
59.2 
65.3 
63.1 
64.0 
63.6 
67.1 
63.3 
63.6 
59.3 
59.9 
64.8 
61.8 
60.9 
61.4 
64.3 
64.6 
66.2 
68.4 
72.8 
68.1 
71.1 
66.9 
68.2 
70.7 
69.1 
65.3 
70.2 
66.8 
69.0 
67.0 
67.9 
72.5 
66.0 
68.5 
65.6 
65.7 
64.9 
67.8 
67.6 
70.4 
70.8 
66.3 
65.6 
66.6 
66.6 
66.1 
66.3 
67.3 
66.8 
68.3 
67.6 
69.0 
66.8 
69.9 
67.6 
68.0 
69.0 
68.7 
68.1 
67.0 
68.2 
67.2 
66.9 
65.5 
70.2 
67.2 
66.2 
60.4 
61.4 
53.9 
58.3 
61.1 
62.4 
60.0 
48.9 
61.0 
58.8 
63.7 
58.6 
61.4 
58.6 
59.0 
56.8 
56.8 
59.2 
60.5 
58.7 
58.7 
61.8 
58.9 
61.5 
61.8 
46.0 
49.2 
44.1 
47.4 
48.7 
47.7 
48.7 
51.3 
46.9 
48.0 
48.5 
46.3 
46.1 
50.2 
49.7 
48.8 
49.6 
48.9 
43.6 
46.3 
49.9 
46.4 
49.4 
51.5 
45.3 
38.2 
33.0 
27.0 
38.1 
35.1 
37.4 
33.6 
40.5 
33.7 
30.8 
35.6 
30.3 
40.8 
37.4 
40.0 
36.1 
36.1 
39.7 
37.8 
33.6 
32.9 
32.1 
37.8 
40.2 
32.2 
29.7 
31.3 
32.1 
37.8 
28.7 
23.0 
33.6 
25.6 
28.6 
34.0 
25.4 
23.6 
27.7 
31.6 
27.7 
27.1 
32.3 
31.9 
27.0 
34.8 
30.5 
24.8 
18.1 
31.2 
23.6 
47.1 
49.0 
45.8 
49.1 
45.1 
45.4 
47.3 
46.9 
45.4 
48.3 
46.6 
46.1 
44.7 
48.0 
47.4 
46.7 
45.3 
47.8 
46.0 
46.3 
47.0 
46.6 
46.3 
49.1 
47.0 
Average. . 
. 
26.5 
26.6 
36.4 
46.3 
54.3 
63.5 
68.3 
67.5 
59.7 
47.9 
35.6 
28.9 
46.8 
Maximum. 
.|| 32.6 
37.1 
47.1 
55.3 
58.1 
68.1 
72.8 
70.2 
63.7 
51.5 
40.8 | 37.8 
49.1 
Minimum. 
•1 
| 21.1 
9.9 | 25.0 | 42.5 
48.9 | 59.2 
64.9 
65.5 | 53.9 
43.6 
27.0 
18.1 
44.7 
TABLE XV—MONTHLY MEAN CALORIES OF THE SUN’S HEAT, 
AT NOON 
At the Colorado Experiment Station, Fort Collins, Colorado. 
Date. j 
Jan. 
Feb. 
Mar. 
Apr. 
May 
Junejl July||Aug-.j|Sept. 
O 
0 
Nov. 
| Dec. 
Yr. 
1893. 
10 9 
9 3 
1894. 
11.6 
13.4 
12.8 
11.1 
6.7 
7.9 
7.4 
6.6 
6.1 
6.2 
3.1 
11.3 
8.7 
1895. 
10.8 
12.8 
12.2 
10.2 
10.8 
8.6 
9.3 
8.6 
10.3 
10.5 
10.0 
9.5 
10.3 
1896 . 
9.6 
11.3 
12.7 
11.6 
9.4 
10.7 
9.6 
10.7 
10.5 
11.0 
11.3 
8.7 
10.6 
1897. 
11.4 
10.9 
12.3 
10.9 
9.2 
9.7 
10.1 
9.6 
11.6 
9.4 
10.2 
10.3 
10.4 
1898 . 
9.2 
10.0 
10.3 
10.3 
9.9 
10.2 
10.0 
10.6 
10.8 
10.0 
11.1 
10.7 
10.2 
1899. 
11.6 
16.3 
11.2 
11.6 
10.0 
9.9 
8.5 
10.0 
10.8 
8.0 
8.4 
8.3 
10.4 
1900 . 
10.4 
11.9 
10.2 
10.7 
8.9 
9.3 
8.6 
9.4 
1 1.9 
10.2 
7.9 
10.4 
10.0 
1901. 
10.2 
11.4 
12.2 
11.0 
10.0 
7.6 
10.6 
10.7 
10.8 
10.9 
11.6 
9.9 
10.6 
1902. 
12.2 
11.2 
8.9 
9.7 
11.2 
9.6 
10.1 
9.0 
9.9 
9.9 
9.6 
9.4 
10.0 
1903. 
9.3 
15.1 
11.4 
10.8 
11.0 
8.9 
9.0 
10.8 
9.4 
9.9 
9.2 
9.1 
10.3 
1904 . 
9.3 
9.6 
9.9 
10.9 
9.2 
10.3 
8.9 
9.9 
11.3 
10.9 
10.2 
8.5 
9.9 
1905. 
8.5 
11.5 
8.7 
8.4 
8.4 
9.8 
9.7 
11.1 
9.6 
9.8 
10.0 
6.3 
9.3 
1906. 
9.0 
9.6 
13.6 
10.2 
10.1 
11.0 
8.7 
9.2 
8.5 
12.3 
12.0 
7.4 
10.1 
1907 . 
8.7 
10.1 
10.7 
9.9 
8.1 
10.1 
9.3 
9.8 
9.1 
8.4 
9.8 
8.6 
9.4 
1908 . 
9.7 
10.1 
11.0 
10.2 
11.3 
9.1 
10.4 
9.2 
10.9 
1909 . 
8.3 
11.3 
10.7 
9.1 
8.2 
8.8 
10.6 
8.8 
io.i 
11.4 
6.4 
9.1 
9.4 
1910. 
9.4 
9.5 
10.0 
10.3 
10.4 
10.0 
10.2 
9.6 
9.0 
9.6 
7.5 
9.5 
9.6 
1911. 
8.5 
9.5 
11.0 
9.5 
11.0 
10.2 
1 
l 
9.0 
1 
10.2 
9.7 
10.6 
10.6 
10.5 
10.0 
Average. . . 
9.9 
11.4 
11.1 
10.4 
9.7 
9.5 
9.4 
9.7 
10.0 
9.9 
9.4 
9.4 
10.0 
Maximum.. 
12.2 
16.3 
13.6 
11.6 
11.3 
11.0 
10.6 
11.1 
11.9 
12.3 
12.0 
11.3 
10.6 
Minimum. . 
I 8.3 | 9.5 | 8.7 
8.4 
6.7 
7.6 
7.4 
6.6 
6.1 
6.2 
3.1 
6.3 
8.7 
