271 
scient/fic department. *• 
2.— Monthly Mean of Temperature, Fahrenheit. 
MARCH. 
YEAR. 
6A. 3L 
MONTH 
1861 
37.1 
41. 1 
48.2 
51.6 
47.6 
43.4 
44.8 
1862 
36.0 
40.1 
46.9 
48.0 
45.6 
42.5 
43.2 
186B 
36.7 
40.9 
47.5 
49.5 
46.1 
42.3 
43.6 
1864 i 
34.1 
38.7 
44.6 
45.9 
42.2 
38.6 
40.7 
1865 
38.9 
43.8 
50.3 
52.5 
49.7 
45.0 
46.7 
Mean ...... 
36.6 
40.9 
45.1 
49.5 
46.2 
42.4 
43. 8 
1861 

49.6 
46.5 
56.5162.7 
53.3 59.5 
65.1 
60.8 
59.8 
57.6 
55.1 
52.3 
58.1 
55.0 
1863 
47.3 
55. 7 62.9 
64.4 
60.0 
54.4 
57.4 
1864. 
45.0 
50. 8 55.3 
56.6 
54.1 
49.5 
51.4 
1865 
48.7 
55. 0 60. 8 
62.9 
59.2 
54.5 
56.8 
Mean 
47.4 
54.3160.2 
62.0 
58.1 
53.2 
55.7 
-Monthly Mean of Relative Humidity. 
MARCH. 
year. 
6'A. M. 
1861 - 
1862 
83.3 
85.1 
63.7 
76.2 
58.9 
64.4 
52.4 
60.4 
58.9 
65. 5 
70.1 
73.0 
64. 5 
70. 8 
1863 
87,7 
71.5 
57.8 
55.4 
63.0 
73.0 
68.1 
1864 
85.6 
69.5 
59.3 
58.8 
68.8 
78.1 
70.0 
1865 
81.8 
67.2 
59.8 
55.5 
60.2 
72.2 
66.1 
Mean 
84.7 
69.6 
60.0 
56.5 
63.3 
73.3 
67.9 
APKIL. 
1861 
77.4 
82. 0 
62.4 
68.3 
53.2 
51.7 
57. 3|67. 2 
61.5 
57.3 
55.9 
63.0 
75,8 
67.0 
1863 
76.5 
57.8 
46.9 
43.9 
53.0 
65.4 
57. 2 
1864 
85.1 
72.7 
62.2 
57.6 
63.2 
77.8 
69.8 
1865 
80.4 
66.3 
57.3 
56.3 
63.5 
77.2 
66.8 


Mean 
80.3 
65.5 
55.4 
53.1 
60.0 
72.7 
64.5 
7 8 9 10 Missour 
Botanicai 
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