612 
METEOROLOGICAL OBSERVATIONS. 
Meteorological Observations on route to Fort Colville. 
Date. 
Locality. 
Thermometer. 
Weather. 
Sunrise. 
9 a. m. 
12 m. 
3 p. m. 
Sunset. 
9 p. m. 
Oct. 7 
Camp 39, Okina- 
56 
Clear; wind N. 
kane river. 
8 
Camp 39, Okina- 
32 
Clear; wind N. 
kane river. 
8 
Camp 40. 
52 
Cloudy. 
9 
Camp 40. 
46 
Cloudy. 
9 
53 
68 
59 
Cloudy. 
9 
Camp 41. 
64 
Cloudy. 
10 
Camp 41... 
54 
56. 5 
60 
61 
54 
Cloudy. 
11 
Camp 41.. 
53. 5 
58. 5 
59 
57 
Cloudy; rain at 3 p. m.; 
strong SE. wind. 
11 
Camp 42. 
54 
Cloudy. 
12 
Camp 42. 
45 
49.5 
Pleasant. 
12 
En route. 
54 
49 
Clouds; S. wind. 
12 
Camp 43.. 
46 
Fair. 
13 
Camp 43*__ 
38 
Cloudy; E. wind. 
13 
En route. 
49.5 
56 
Fair. 
13 
Camp 44. 
43 
36 
Clouds; wind W. & NW. 
14 
Camp 44. 
38 
42 
Rain ; E. wind. 
14 
En route. 
58.5 
50 
Rainy until 11 a. m. 
14 
Camp 45___ 
48 
46. 5 
Cloudy. 
] 5 
Camp 45. 
45 
50.5 
Clouds and rain. 
15 
En route__ 
54 
Cloudy. 
15 
. 
53 
Fair. 
16 
Camp 46. 
49 
50 
Cloudy; E. wind. 
16 
En route. 
58 
54 
Clear. 
16 
Camp 47. 
54 
Cloudy. 
17 
Camp 47. 
39 
41 
Cloudy; W. wind. 
17 
En route. 
50.2 
Cluudy. 
17 
Camp 48. 
48.5 
40 
Cloudy. 
18 
Camp 48.... 
38.5 
42 
59 
Clouds ; W. wind. 
18 
Camp 49, (Fort, 
56.2 
53 
Clouds; pleasant. 
Coiville.) 
19 
30 
44 
63. 5 
58 
42 
Fair; pleasant; cloudy. 
20 
Camp 49. 
28 
42 
58 
55 
47 
40 
Misty; cloudy. 
21 
Camp 49.... 
35 
42 
59 
52 
43 
Cloudy day. 
22 
Camp 49 and en 
21 
24.5 
48 
40 
Clear. 
route. 
22 
Camp 50. 
32.5 
23 
Clouds. 
23 
10 
28 
51 
44.5 
Few clouds. 
route. 
23 
Camp 51. 
43 
35 
Cloudy; frost. 
24 
30 
32. 5 
34. 5 
34.5 
Snow 6 inches ; wind NW. 
route. 
24 
Camp 52.. 
33 
32 
Cloudy; wind SE. 
25 
Camp 52 and en 
31.5 
32 
34 
Clouds and mist; E. 
route. 
25 
Camp 53. 
35 
33 
Clouds and mist; S. 
26 
32 
36 
41 
38 
Clouds; E. wind. 
route. 
26 
Camp 54. 
37 
36 
Few clouds, ME. wind. 
27 
Camp 54. 
30. 5 
36 
45 
50 
37 
Cloudy; fair; calm. 
28 
Camp 54. 
29.5 , 
35 
50 
50 
41 
35.5 
Fair; cloudy; NE. wind. 
29 
Camp 54. 
37 
51 
60 
57 
54 
52 
Cloudy; SE. wind; SW. 
at evening. 
30 
52. 5 
Cloudy; rain; strong S W. 
wind. 
30 
. 
61 
52.5 
Cloudy; strong SW. wind. 
31 
25 
40 
45. 5 
42 
40 
Clouds; fair: wind SW. 
Camp 55 .. 
27 
Cloudy. 
1 
Camp 56 t. 
32 
19 
Clear. 
* On a branch of the Columbia, east of Okinakane river. 
t On the plains south of Spokane river, and on the tributaries of Snake river, or Lewis’s Fork. 
Note. —The remaining observations are in the valley of tho Columbia, and on the plain, and present no noticeable feature. 
