28 
The Colorado Experiment Station 
TABLE XI—MONTHLY MEAN WET BULB TEMPERATURES 
At the Colorado Experiment Station, Fort Collins, Colorado. 
DATE. 
January 
February 
March 
April 
May 
June 
7 amj7 p m|7 am|7 pm|7 am| 7 pm|7 am|7 p m 
7 am|7pm|7am|7pmj 
1888 . 
1889. 
9.9 
13.4 
28.7 
• • • • 
39.1 
43.3 
53.0 
• • • • 
1890 . 
13.9 
21.5 
16.8 
25.0 
26.2 
32.4 
36.4 
40.8 
45.5 
48.0 
51.8 
53.3 
1891. 
12.4 
19.3 
12.9 
17.8 
21.9 
26.6 
35.7 
40.4 
47.6 
48.0 
53.8 
55.9 
1892 . 
11.5 
17.6 
19.8 
24.9 
24.4 
29.9 
34.7 
36.5 
42.4 
44.4 
53.3 
56.3 
1893. 
18.1 
24.8 
14.7 
22.3 
22.7 
30.2 
32.3 
34.7 
42.2 
44.8 
52.6 
55.1 
1894 . 
12.0 
19.7 
7.0 
15.5 
24.4 
29.8 
36.2 
39.9 
45.6 
48.0 
52.6 
53.2 
1895 . 
14.6 
19.6 
10.0 
18.2 
22.8 
27.9 
37.3 
39.8 
44.4 
45.9 
52.1 
52.8 
1896 . 
17.5 
23.1 
20.0 
25.7 
24.0 
"28.9 
35.3 
38.8 
44.7 
45.5 
55.4 
56.9 
1897. 
10.5 
17.7 
15.6 
24.0 
23.6 
27.8 
37.1 
38.3 
49.9 
51.0 
54.9 
55.4 
1898 . 
12.4 
20.2 
19.6 
26.7 
21.9 
26.4 
36.8 
39.7 
44.7 
45.9 
53.9 
55.9 
1899 . 
14.1 
20.8 
0.8 
9.1 
21.9 
26.4 
34.2 
37.4 
43.4 
45.1 
51.8 
53.7 
1900. 
17.8 
24.6 
13.4 
20.5 
27.1 
33.4 
37.0 
39.9 
48.4 
50.6 
56.2 
57.8 
1901. 
14.4 
22.6 
12.6 
20.6 
25.0 
29.6 
35.7 
37.9 
48.0 
50.3 
53.9 
56.6 
1902. 
11.0 
17.7 
20.2 
26.4 
25.5 
29.4 
36.0 
39.1 
47.0 
49.1 
53.8 
55.0 
1903. 
18.0 
24.9 
4.9 
9.7 
22.0 
29.0 
35.9 
38.6 
44.2 
46.2 
53.5 
55.8 
1904 . 
13.5 
24.0 
20.7 
30.0 
26.8 
34.4 
34.9 
39.6 
45.5 
48.7 
53.6 
55.1 
1905 . 
18.3 
22.4 
9.9 
19.4 
31.0 
36.6 
34.8 
39.2 
43.9 
47.0 
54.8 
58.6 
1906. 
16.2 
23.3 
14.2 
23.7 
17.6 
22.8 
37.8 
40.9 
45.0 
47.9 
51.6 
55.1 
1907 . 
16.6 
22.2 
22.3 
29.0 
29.4 
35.6 
32.4 
36.5 
42.0 
43.7 
51.0 
53.3 
1908. 
15.8 
21.6 
16.2 
25.1 
27.4 
32.2 
35.9 
39.8 
42.8 
45.0 
51.2 
53.8 
1909 . 
19.9 
24.6 
17.1 
22.9 
26.7 
32.0 
32.8 
36.0 
42.1 
43.6 
54.4 
56.9 
1910. 
14.1 
19.3 
12.8 
21.9 
29.2 
37.0 
37.0 
41.0 
44.8 
47.4 
54.2 
55.4 
1911. 
19.0 
26.5 
15.6 
21.2 
28.6 
35.2 
35.2 
38.4 
44.2 
47.5 
55.2 
57.5 
Average... 
| 14.8 
| 21.7 
14.4 
1 21.8 
| 25.2 
| 30.6 
| 35.7 
| 38.8 
I 44.8 
47.0 
| 53.4 
55.4 | 
Maximum. 
| 19.9 
| 24.9 
| 22.3 
| 30.0 
| 31.0 
| 37.0 
| 39.1 
| 41.0 
| 49.9 
51.0 | 56.2 
58.6 | 
Minimum.. 
| 9.9 
| 17.6 
| 0.8 
| 9.1 
| 17.6 
| 22.8 
| 32.3 
| 34.7 
| 42.0 
| 43.6 
| 51.0 
| 52.8 | 
TABLE XII—MONTHLY MEAN, MAXIMUM AND MINIMUM 
TEMPERATURES 
At the Colorado Experiment Station, Fort Collins, Colorado. 
1 
DATE. | 
January 
February 
March 
April 
May 
June 
1 
Max.| 
Min. 
Max.| 
Min. 
Max.| 
Min.| 
Max.| 
Min. 
Max.j 
Min. 
Max. 
Min. | 
j 
1887 . 
34.0 
10.8 
41.8 
10.3 
60.4 
25.1 
60.7 
32.1 
75.3 
42.6 
85.3 
l 
52.3 
1888 . 
42.7 
10.0 
52.6 
25.2 
52.0 
20.7 
73.3 
40.6 
66.2 
41.6 
79.4 
51.3 
1889 . 
38.7 
10.5 
40.2 
13.0 
56.6 
27.7 
63.5 
36.0 
65.7 
40.5 
75.6 
46.1 
1890. 
39.8 
9.6 
45.0 
15.0 
52.9 
23.2 
60.0 
33.1 
71.2 
41.0 
81.2 
46.8 
1891. 
35.4 
8.9 
31.8 
7.7 
41.2 
19.7 
61.4 
31.9 
68.6 
41.1 
74.4 
47.5 
1892. 
35.1 
7.1 
39.2 
16.4 
45.5 
21.9 
58.6 
29.4 
61.1 
38.9 
76.4 
46.5 
1893. 
49.4 
15.8 
41.5 
12.3 
50.2 
20.1 
57.0 
28.3 
66.8 
37.8 
83.3 
47.2 
1894 . 
39.4 
8.4 
33.7 
3.7 
52.4 
22.5 
64.6 
32.1 
71.6 
4 2.8 
79.3 
47.1 
1895. 
37.0 
10.9 
35.2 
7.0 
48.6 
19.9 
66.2 
32.1 
68.3 
38.9 
73.6 
44.9 
1896. 
49.0 
16.1 
49.2 
17.7 
46.3 
21.8 
62.8 
30.5 
72.8 
41.2 
81.0 
49.6 
1 897. 
40.2 
9.3 
40.9 
14.2 
44.8 
19.9 
59.5 
32.0 
73.6 
42.7 
77.6 
48.2 
1898 . 
40.7 
10.6 
50.6 
17.6 
47.9 
17.5 
64.5 
30.8 
62.7 
40.4 
79.8 
48.2 
1 899 . 
39.0 
10.4 
25.3 
—5.4 
41.6 
17.9 
60.5 
28.9 
69.5 
38.0 
79.8 
47.4 
1900. 
46.7 
15.2 
37.8 
10.7 
53.9 
24.3 
54.5 
31.3 
72.4 
43.2 
83.4 
50.7 
1901. 
43.8 
12.6 
38.4 
9.4 
48.1 
21.2 
56.9 
31.1 
71.1 
42.8 
78.3 
48.3 
1902. 
39.2 
9.1 
45.5 
18.5 
48.0 
22.5 
61.0 
30.4 
70.5 
41.7 
79.0 
48.2 
1 903 . 
44.2 
16.4 
28.2 
—0.1 
42.8 
18.4 
59.4 
31.2 
68.0 
36.6 
71.6 
47.0 
1904. 
42.7 
9.4 
50.4 
20.2 
54.7 
24.4 
I 61.0 
31.3 
66.2 
41.2 
73.5 
46.4 
1905. 
37.9 
12.6 
36.0 
6.8 
55.2 
29.2 
55.4 
31.5 
63.7 
40.5 
79.5 
50.0 
1906. 
49.0 
12.8 
48.2 
12.7 
36.5 
13.5 
60.0 
34.2 
69.0 
40.9 
76.4 
47.2 
1907. 
39.3 
12.4 
50.9 
20.0 
59.2 
27.3 
56.0 
29.1 
60.8 
37.0 
76.7 
45.2 
1908 . 
44.4 
12.0 
49.0 
13.3 
56.4 
24.2 
65.1 
30.6 
65.5 
38.3 
76.4 
46.5 
1909 . 
42.2 
16.8 
43.7 
14.0 
45.6 
23.9 
54.6 
28.9 
65.7 
37.9 
79.3 
49.4 
1910. 
40.0 
10.5 
42.3 
10.7 
65.6 
28.5 
67.3 
33.1 
66.8 
40.6 
80.0 
49.0 
1911. 
45.0 
18.0 
39.3 
13.9 
57.1 
26.1 
60.5 
32.2 
70.7 
41.2 
81.3 
51.0 
1 
Average... 
| 41.4 
| 11.9 
| 41.5 
| 12.2 
| 50.5 
| 22.5 
| 61.0 
31.7 
68.1 
| 40.4 
78.5 
48.1 
Maximum. 
| 49.4 
| 18.0 
| 52.6 
| 25.2 
| 65.6 
| 29.2 
| 73.3 
40.6 
| 75.3 
| 43.2 
85.3 
52.3 | 
Minimum.. 
| 34.0 
1 7.1 
| 25.3 
1—5.4 
| 36.5 
| 13.5 
| 54.5 
| 28.3 
| 60.8 | 36.6 
| 71.6 
I 44.9 ! 
