32 
The Colorado Experiment Station 
TABLE XVI—EXTREME MONTHLY MAXIMUM AN1) MINIMUM 
TEMPERATURES 
At the Colorado Experiment Station, Fort Collins, Colorado. 
YEAR. 
1887 . 
1888 . 
1889 . 
1890 . 
1891 . 
1892 . 
1893 . 
1894 . 
1895 . 
1896 . 
1897 . 
1898 . 
1899 _ 
1900 _ 
1901 . 
1902 . 
1903 _ 
19u4_ 
1905 _ 
1906 _ 
1907 _ 
1908 _ 
1909 _ 
1910 _ 
1911 . 
Extreme 
January 
February 
March | 
April 
May 
| Max. | 
Min. 
Max. 
Min.| Max.j Min. 
Max. 
Min.| 
Max. 
Min. 
I 58.0 
-19.0 
70.0 
—8.0 
80.0 
8.0 
83.0 
16.0 
90.0 
24.0 
71.0 
-28.0 
68.0 
14.0 
79.0 
3.0 
91.0 
30.0 
84.0 
30.0 
58.0 
—3.5 
62.0 
—16.0 
67.8 
-17.0 
79.0 
24.0 
81.0 
31.0 
65.6 
-13.0 
68.3 
—20.0 
70.1 
—9.0 
78.0 
13.8 
85.0 
29.1 
48.9 
-1(5.3 
46.5 
—15.0 
66.0 
—4.1 
81.9 
12.9 
84.6 
21.3 
61.2 
-28.4 
55.1 
—15.0 
66.0 
—4.1 
81.9 
12.9 
84.6 
31.2 
67.3 
—2.2 
66.7 
—10.0 
78.3 
—1.9 
78.9 
7.6 
88.7 
23.1 
63.3 
-22.0 
54.6 
—15.3 
73.0 
9.9 
79.0 
16.4 
85.9 
27.1 
57.2 
—9.6 
62.2 
—27.8 
80.2 
-18.0 
78.7 
17.0 
90.0 
28.6 
67.8 
—7.6 
68.1 
3.9 
75.8 
—6.8 
80.0 
7.0 
88.3 
31.0 
64.0 
-2(5.0 
59.5 
—5.3 
65.3 
—7.0 
77.2 
20.0 
82.3 
31.6 
61.5 
-11.8 
63.7 
6.7 
66.3 
—6.2 
86.2 
14.5 
81.8 
29.6 
55.0 
-16.8 
50.8 
—38.4 
65.7 
-24.5 
78.0 
8.0 
82.5 
23.4 
63.0 
—6.0 
58.0 
—23.4 
76.9 
9.7 
73.9 
5.1 
84.7 
29.8 
61.8 
-21.7 
63.0 
—14.7 
71.9 
—7.5 
81.8 
8.7 
82.9 
31.1 
62.2 
-31.4 
63.0 
—23.0 
63.9 
2.0 
79.8 
18.0 
85.9 
29.6 
61.3 
1.0 
46.0 
—28.0 
66.2 
-10.0 
78.2 
12.8 
85.1 
27.4 
65.0 
—7.0 
69.0 
3.0 
70.0 
10.0 
79.8 
14.1 
82.0 
28.2 
63.5 
-22.3 
66.2 
—26.8 
70.3 
12.4 
78.0 
12.0 
76.3 
29.5 
67.8 
—3.5 
67.0 
—5.0 
69.9 
-24.(5 
80.1 
22.1 
82.9 
33.0 
62.6 
—4.7 
68.8 
—2.8 
80.3 
2.8 
80.0 
5.7 
83.0 
19.2 
57.1 
—9.8 
68.0 
—15.0 
75.7 
8.0 
80.2 
9.8 
86.6 
22.2 
63.8 
—3.2 
66.3 
—14.2 
60.1 
-11.6 
73.2 
9 .2 
81.0 
23.6 
64.1 
-20.8 
66.2 
—15.8 
79.9 
11.5 
86.4 
17.8 
87.0 
28.4 
65.8 
-18.0 
62.3 
—8.8 
69.1 
—2.2 
75.8 
16.0 
83.8 
26.6 
| 71.0 
-31.4| 70.0|—38.4| 80.3 
-24.6 
| 91.0| 5.11 90.0| 19.2| 
NOTE — Extreme temperatures of each year indicated in black faced type. 
TABLE XVII—AVERAGE MONTHLY READINGS OF BLACK AND 
BRIGHT BULBS OF ACTINOMETERS, AT NOON. 
Colorado Experiment Station, Fort Collins, Colorado. 
(Centigrade Degrees.) 
DATE. 
January 
February 
March 
April 
May 
1 
June j 
1 
| Blk. 
Brt. 
Blk. 
Brt. 
Blk. 
Brt. 
Blk. | 
Brt. 
Blk. 
Brt. 
Blk. 
Brt. | 
1893. 
1894 . 
31.8 
13.2 
33.0 
11.6 
37.5 
18.8 
42.8 
26.7 
28.0 
17.5 
34.2 
22.2 
1895. 
28.1 
10.6 
32.8 
12.5 
40.2 
21.3 
39.4 
24.4 
43.7 
28.2 
39.0 
26.4 
1896. 
29.9 
14.6 
34.8 
17.5 
37.4 
17.8 
42.2 
25.2 
41.9 
28.3 
49.4 
34.7 
1897. 
31.0 
12.8 
29.5 
12.4 
34.6 
16.2 
38.7 
22.4 
42.1 
29.2 
44.6 
30.9 
1898. 
25.7 
10.7 
32.3 
16.7 
31.5 
15.8 
41.6 
26.6 
38.1 
23.3 
47.2 
33.1 
1899 . 
28.0 
11.0 
37.0 
11.5 
32.3 
14.7 
39.8 
22.6 
42.8 
28.4 
48.3 
34.6 
1900. 
31.3 
14.9 
32.2 
12.7 
34.9 
19.3 
36.9 
20.8 
40.6 
27.9 
49.5 
36.9 
1901. 
30.2 
14.1 
28.8 
10.3 
37.9 
19.3 
38.9 
22.5 
44.0 
29.7 
37.8 
26.7 
1902. 
32.4 
13.0 
32.6 
15.1 
30.9 
16.9 
35.2 
20.4 
44.8 
29.9 
44.5 
32.4 
1903. 
28.8 
13.9 
35.4 
11.6 
33.2 
15.5 
40.4 
24.4 
45.5 
29.8 
39.4 
26.5 
1904. 
28.4 
13.6 
29.1 
13.9 
33.1 
17.8 
40.7 
24.5 
37.4 
23.9 
45.4 
30.8 
1905. 
23.0 
9.2 
30.6 
12.0 
31.8 
18.5 
31.5 
18.7 
36.2 
23.7 
45.5 
31.7 
1906. 
31.9 
17.9 
32.5 
17.5 
39.2 
17.8 
38.1 
22.9 
43.3 
28.7 
50.0 
34.7 
1907. 
26.0 
11.9 
36.3 
20.9 
39.0 
22.9 
34.8 
19.9 
34.1 
21.8 
45.1 
31.0 ! 
1908. 
29.2 
13.6 
32.3 
16.3 
39.2 
22.7 
41.4 
26.5 
45.4 
29.2 
41.8 
28.8 ! 
1909 . 
25.9 
12.6 
31.8 
14.1 
34.0 
17.3 
33.3 
19.2 
35.1 
22.9 
42.1 
29.7 
1910. 
27.0 
11.9 
28.1 
12.8 
41.8 
27.2 
42.4 
27.4 
41.4 
26.4 
46.4 
32.4 
1911. 
29.0 
1 
15.3 
34.7 
15.1 
37.8 
21.3 
36.6 
22.2 
44.0 
28.9 
48.2 
34.3 
Average... 
j 28.8 
13.0 
32.4 
14.1 
[ 35.9 | 19.0 
38.6 
23.2 
| 40.5 
26.5 
44.4 
31.0 | 
Maximum. 
| 32.4 
17.9 
37.0 
20.9 | 41.8 
27.2 
42.8 
27.4 
| 45.5 
29.9 
50.0 
36.9 | 
Minimum.. 
| 23.0 | 9.2 
| 28.1 
| 10.3 | 30.9 | 14.7 
31.5 
18.7 
| 28.0 
17.5 
34.2 
22.2 | 
