Colorado Tlmplraturk. 
TABLE I. 
AVERAGE MONTHLY TEMPERATURE 
11 
At Agricultural College, Fort Collins, Colo., in Degrees Fahrenheit 
Ykar 
Jan. 
Feb. 
Mar. 
Apt. 
May 
June 
July 
Aug. 
Sept. 
Oct. 
Nov. 
Dec. 
Year 
1887. 
25.7 
23.7 
39.8 
45.2 
57.7 
68.1 
68.4 
65.6 
60.4 
46.0 
38.2 
29.7 
47.1 
1888. 
22.2 
37.1 
37.4 
55.3 
54.4 
68.1 
72.8 
66.6 
61.4 
49.2 
33.0 
31.3 
49.0 
1889. 
22.2 
25.6 
41.6 
50.6 
54.1 
63.5 
68.1 
66.6 
53.9 
44.1 
27.0 
32.1 
45.8 
1890. 
24.7 
30.0 
38.0 
46.5 
58.0 
64.0 
71.1 
66.1 
58.3 
47.4 
38.1 
37.8 
49.1 
1891. 
22.2 
19.8 
30.5 
46.6 
54.8 
60.9 
66.9 
66.3 
61.1 
48.7 
35.1 
28.7 
45.1 
1892. 
21.1 
27.8 
33.7 
44.0 
50.0 
61.7 
68.2 
67.3 
62.4 
47.7 
37.4 
23.1 
45.4 
1893. 
32.6 
26.9 
35.2 
42.7 
52.3 
65.3 
70.7 
66.8 
60.0 
48.7 
33.6 
33.6 
47.3 
1894 . 
23.9 
18.7 
37.4 
48.3 
57.2 
63.2 
69.1 
68.3 
58.9 
51.3 
40.5 
25.6 
46.9 
1895. 
23.9 
21.1 
34.2 
49.2 
53.6 
59.2 
65.3 
67.6 
61.0 
46.9 
33.7 
28.6 
45.4 
1898. 
32.6 
33.4 
34.0 
46.6 
57.0 
65.3 
70.2 
69.0 
58.8 
48.0 
30.8 
34.0 
48.3 
1897. 
24.8 
27.6 
32.3 
45.8 
51.8 
63.1 
66.8 
66.8 
63.7 
48.5 
35.6 
25.4 
46.6 
1898. 
25.6 
34.1 
32.7 
47.7 
51.6 
64.0 
69.0 
69.9 
58.6 
46.3 
30.3 
23.6 
46.1 
1899. 
24.7 
9.9 
29.7 
44.7 
53.8 
63.6 
67.0 
67.6 
61.4 
46.1 
40.8 
27.7 
44.7 
1900. 
30.9 
24.2 
39.1 
42.9 
57.8 
67.1 
67.9 
68.0 
58.6 
50.2 
37.4 
31.6 
48.0 
1901 . 
28.2 
23.9 
34.7 
44.0 
57.0 
63.3 
72.5 
69.0 
59.0 
49.7 
40.0 
27.7 
47.4 
1902 . 
24.2 
32.0 
35.3 
45.7 
56.1 
63.6 
66.0 
68.7 
56.8 
48.8 
36.1 
27.1 
46.7 
1903. 
30.3 
14.0 
30.6 
45.3 
52.2 
59.3 
68.5 
68.1 
56.8 
49.6 
36.1 
32.3 
45.3 
1904. 
26.1 
35.3 
39.6 
46.2 
53.7 
59.9 
65.6 
67.0 
59.2 
48.9 
39.7 
31.9 
47.8 
1905 . 
25.2 
21.4 
42.2 
43.4 
52.1 
64.8 
65.7 
68.2 
60.5 
43.6 
37.8 
27.0 
46.0 
1906. 
30.9 
30.5 
25.0 
47.1 
55.0 
61.8 
64.9 
67.2 
58.7 
46.3 
33.6 
34.8 
46.3 
1907. 
25.9 
35.4 
43.3 
42.5 
48.9 
60.9 
67.8 
66.9 
58.7 
49.9 
32.9 
30.5 
47.0 
Average ... 
26.1 
26.3 
35.5 
46.2 
54.7 
63.4 
68.2 
67.5 
59.4 
47.9 
35.6 
29.7 
46.7 
*Port Collins, Colo., Agricultural College. Latitude, 40° 34'. Elevation, 
4,99 3 Feet. Located on the Plains, 4 miles easit of the foothills of the 
Rocky Mountains. 
TABLE II. 
EXTREME MONTHLY TEMPERATURES 
At Agricultural College, Fort Collins, Colo. 
January 
February 
March 
April 
May 
June 
Year 
Max. 
Min. ' 
Max. 
Min. 
, Max. 
Min. 
1 
1 
Max. 
1 
Min. 
Max. 
Min. 1 
Max. 
Min. 
1887. 
58. 
- 19.0 
70. 
— 8. 
80. 
8. 
1 
83. 
16. 
90. 
24. 
96. 
45. 
1888. 
71. 
- 28 . 1 
68. 
14. 
1 79. 
3. 
91. 
30. 
84. 
30. 
97. 
42. 
1889 . 
58. 
— 3.5 , 
62. 
—16.0 
67.8 
- 17.0 
79. 
24. 
81. 
31.0 
90.5 
35. 
1890 . 
65.6 
—13.0 . 
68.3 
- 20.0 
70.1 
— 9.0 1 
78.0 
13.8 
85.0 
29.1 
92.2 
32.7 
1891. 
48.9 
- 16.3 ; 
46.5 
—1.50 
66.0 
— 4.1 
81.9 
12.9 
84.6 
31.2 
86.9 
37.9 
1892. 
61.2 
- 28.4 i 
55.1 
— 9.0 
70.1 
—19.7 
78.7 
19.4 
82.0 
31.4 
86.5 
35.4 
1893. 
67.3 
— 2.2 
1 66.7 
—10.0 
78.3 
— 1.9 
78.9 
7.6 
88.7 
23.1 
95.0 
31.3 
1894. 
63.3 
—22.0 ! 
54.6 
—15.3 ! 
73.0 
9.9 
79.0 
16.4 
85.9 
27.1 
91.0 
37.9 
1895. 
57.2 
— 9.6 1 
I 62.2 
- 27.8 1 
80.2 
—18.0 
78.7 
17.0 
90.0 
28.6 
88.7 
33.0 
1898. 
67.8 
— 7.6 ' 
68.1 
3.9 1 
75.8 
— 6.8 
80.0 
7.0 
88.3 
31.0 
91.2 
39.3 
1897. 
64.0 
- 26.0 1 
59.5 
— 5.3 1 
65.3 
— 7.0 
77.2 
20.0 
82.3 
31.6 
90.1 
35.3 
1898 . 
61.5 
—11.8 1 
63.7 
6.7 ! 
66.3 
— 6.2 
86.2 
14.5 
81.8 
29.6 ’ 
97.2 
36.0 
1899. 
55.0 
—16.8 
50.8 
- 38.4 
65.7 
—24.5 
78.0 
8.0 
82.5 
23.4 1 
96.1 
36.4 
1900 .... 
63.0 
— 6.0 
56.0 
- 23.4 
1 76.9 
9.7 
73.9 
5.1 
84.7 
29.8 
94.4 
40.7 
1901 .... 
61.8 
--21.7 
63.0 
—14.7 ' 
i 71.9 
— 7.5 
81.8 
8.7 
82.9 
31.1 
94.4 
38.2 
1902 .... 
62.2 
-31 4 1 
! 63.0 
—23.0 
1 63.9 
2.0 
79.8 
18.0 
85.9 
29.6 
96.0 
37.0 
1903 .... 
61.3 
1.0 ; 
|.46.0 
- 28.0 
: 66.2 
—10.0 
78.2 
12.8 
85.1 
27.4 I 
92.5 
37.0 
1904 .... 
65.0 
- 70 ; 
69.0 
3.0 
70.0 
10.0 
79.8 
14.1 
82.0 
28.2 1 
i 87.2 
38.4 
1905. 
63.5 
-22.3 i 
66.2 
- 26.8 
70.3 
12.4 1 
78.0 
12.0 
76.3 
29.5 
1 92.3 
40.0 
1906 .... 
67.8 
— 3.5 
67.0 
— 5.0 
69.9 
- 24.6 
80.1 
22.1 
82.9 
33.0 1 
89.9 
37.2 
1907. 
62.6 
— 4.7 ! 
1 
. 1 
68.8 
— 2.8 
80.3 
. 2.8 
1 
80.0 
5.7 
1 83.0 
19.2 1 
87.7 
33.9 
Extreme 
71. 
--1 
—31.4 
1 
70.0 
—38.4 
80.3 
1 
—24.6 
1 
91. 
5.1 
1 
90.0 
19.2 
97.2 
31.3 
