40 
The Colorado Experiment Station 
TABLE XXVII—MONTHLY MEAN, MAXIMUM AND MINIMUM 
TEMPERATURE S 
At Arkansas Valley Sub-Station, Near Rooky Ford, Colorado. 
DATE. 
1888. 
1889. 
1890. 
1891. 
1892. 
1 893. 
1894. 
1895. 
1896. 
1897 . 
1898 . 
1899. 
1900. 
1901. 
1902. 
1903. 
1904. 
1905. 
1906. 
1907. 
1908 . 
1909. 
1910, 
1911 
January 1 
February 
March 
|| Max.| Min. 
Max.| Min. 
Max.| Min. 
April 
May 
June 
Max. | Min.| Max. Min 
1 
78.0 
89.2 
53.2 
76.0 
45.3 
82.1 
54.8 
72.7 
42.3 
84.2 
52.1 
77.3 
40.9 
91.9 
55.6 
81.1 
46.9 
86.8 
52.2 
77.0 
44.0 
84.0 
52.6 
81.4 
45.0 
91.1 
55.2 
70.C 
43.6 
83.7 
55.3 
79.0 
45.0 
88.2 
53.6 
76.5 
46.9 
88.8 
55.1 
75.8 
46.9 
89.7 
54.0 
80.0 
47.8 
87.0 
55.0 
75.7 
42.6 
78.2 
52.1 
73.8 
44.9 
81.8 
51.0 
74.2 
44.5 
88.0 
57.1 
77.3 
44.6 
86.8 
53.0 
68.1 
41.8 
82.9 
52.2 
76.1 
40.9 
87.7 
56.4 
73.0 
41.2 
85.0 
53.7 
74.7 
44.1 
88.0 
54.5 
79.9 
49.2 
89.6 
56.8 
76.1 
| 44.5 
| 86.4 
1 54.1 j 
81.4 
| 49.2 
| 91.9 
1 57.11 
68.1 
| 40.9 
| 78.2 
j 51.0 | 
Average. 
47.7 
38.5 
40.0 
53.7 
48.1 
40.2 
52.6 
38.4 
42.6 
42.6 
48.8 
50.3 
46.5 
50.7 
45.2 
39.8 
52.9 
49.8 
50.5 
50.9 
48.0 
56.5 
8.6 
12.6 
17.0 
14.5 
13.3 
18.2 
13.3 
12.7 
12.1 
20.2 
11.9 
13.1 
18.6 
12.0 
15.0 
16.7 
14.2 
13.6 
17.7 
15.2 
19.4 
54.5 
46.4 
50.1 
50.4 
39.0 
39.6 
52.9 
48.1 
55.9 
33.1 
47.4 
44.0 
55.4 
38.7 
58.2 
38.2 
56.0 
58.8 
49.6 
51.6 
49.4 
47.2 
15.4 
20.7 
16.1 
10.0 
9.1 
18.4 
21.4 
21.1 
0.6 
14.2 
13.2 
20.3 
10.9 
18.8 
10.0 
15.7 
19.2 
19.7 
16.9 
13.5 
15.8 
62.6 
58.4 
50.9 
61.4 
59.8 
56.5 
57.6 
56.0 
57.5 
57.6 
63.9 
57.3 
58.1 
56.9 
63.1 
59.0 
48.5 
68.1 
66.4 
57.7 
72.6 
64.3 
21.0 
23.2 
22.0 
20.8 
22.5 
21.3 
23.5 
22.6 
22.7 
26.4 
24.4 
26.0 
25.4 
27.4 
31.2 
21.0 
29.2 
2,>.2 
19.6 
30.9 
28.6 
69.9 
68.1 
68.0 
68.9 
68.4 
70.7 
71.4 
73.3 
67.1 
69.4 
71.3 
61.8 
67.8 
70.0 
68.4 
67.1 
63.6 
68.1 
62.8 
70.4 
64.2 
7 2.2 
69.2 
38.1 
33.8 
32.4 
32.7 
36.2 
35.5 
35.2 
33.2 
37.6 
34.1 
35.7 
35.8 
37.7 
36.9 
35.3 
34.5 
34.9 
34.0 
33.6 
33.0 
35.9 
35.8 
47.0 
Ma.ximum.il 56.5 
14.8 
20.2 
48.4 | 15.3 
58.8 I 21.4 
59.7 
72.6 
24.9 | 68.3 | 35.1 
31.2 i 73.3 | 38.1 
Minimum.. j| 38.4 | 8.6 | 33.1 | 0.6 | 48.5 | 19.6 | 61.8 | 32.4 
TABLE XXVIII—EXTREME MONTHLY TEMPERATURES 
At Arkansas Valley Sub-Station, Rocky Ford, Colorado. 
YEAR. 
January 
February j 
March 
April 
May 
Max. | 
Min. 
Max.| 
Min.| 
Max.| 
Min.’ 
Max. | 
Min.| 
Max.| 
Min. | 
18S8 . 
73 
1 
1 
3i 
19 
15 
21 
17 
24 
19 
15 
20 
23 
18 
17 
16 
25 
20 
24 
19 
15 
21 
18 
17 
22 
23 
90 
91 
89 
90 
94 
93 
96 
94 
32 
42 
31 
31 
19 
30 
31 
33 
1889 . 
52 
—ii 
54 
—3 
20 
83 
1890 . 
74 
—10 
79 
—8 
80 
3 
86 
1891 . 
54 
—8 
72 
—8 
72 
—6 
90 
1892 . 
68 
—8 
60 
—5 
75 
—10 
90 
1893 . 
71 
5 
71 
— 1 
88 
4 
85 
1894 . 
71 
—6 
59 
—13 
80 
9 
87 
1895 . 
65 
—11 
71 
—23 
83 
—3 
85 
1896 . 
67 
4 
72 
1 
84, 
— 2 
87 
1897 . 
54 
—15 
65 
0 
74 
7 
85 
90 
94 
90 
88 
89 
87 
88 
87 
89 
90 
92 
87 
92 
93 
30 
32 
38 
37 
35 
32 
32 
32 
35 
27 ' 
30 
18 
31 
29 
1898 . 
61 
— 10 
74 
12 
74 
2 
86 
1899 . 
61 
—20 
60 
—32 
82 
2 
87 
1900 . 
67 
2 
67 
—10 
82 
19 
79 
19 6 i . 
70 
_ou 
69 
—5 
83 
10 
86 
1902 . 
68 
—10 
72 
—9 
74 
8 
89 
1903 . 
70 
5 
61 
—15 
77 
_2 
85 
88 
1904 . 
66 
0 
81 
5 
81 
r5 
1905 . 
64 
—13 
67 
—24 
77 
18 
84 
1906 . 
67 
3 
78 
0 
7 4 
1 
84 
1907 . 
72 
7 
78 
5 
92 
10 
88 
1908 . 
64 
— 7 
72 
— 4 
86 
17 
86 
85 
1909 . 
69 
— 18 
66 
— 9 
74 
— 8 
1910 . 
74 
—6 
72 
—17 
85 
15 
91 
19ii . 
77 
—15 
72 
—16 
77 
3 
82 
_ 
_ 
-—- 
Extreme . 
li 77 
|—22 
1 81 
—32 
| 92 
1—10 
i yi 
1 15 
| 96 
1 18 | 
NOTE — Extreme temperatures of each year indicated in black faced type 
