e. 
5 
5 
5 
6 
6 
6 
7 
7 
8 
9 
9 
9 
9 
10 
10 
10 
10 
10 
11 
11 
11 
11 
11 
12 
12 
12 
12 
13 
13 
13 
13 
13 
14 
14 
14 
14 
15 
15 
15 
15 
15 
15 
16 
BAROMETRICAL AND THERMOMETRICAL OBSERVATIONS. "49 
APPENDIX D—Continued. 
Hour. 
Number of barometer. 
Reading of barometer. 
Attached thermometer. 
1 
Detached thermometer, j 
Corrected reading of 
barometer. 
6 a. m. 
1089 
Inches. 
29.408 
40.0 
41.0 
Inches. 
29 516 
6 p. m. 
1089 
29.558 
64.0 
63.0 
29.589 
7.30 p. m.. 
1089 
29.565. 
57.0 
57.0 
29.589 
6.05 a. m.. 
1089 
29.630 
38.0 
37.5 
29.580 
6 p. m. 
1039 
29.680 
58.0 
57.5 
29.573 
8 p. m. 
1089 
29.700 
51.0 
50.5 
29.565 
6 a. m. 
1089 
29.739 
41.0 
41.0 
29.579 
6.20 p. m.. 
1089 
29.827 
52.0 
52.0 
29.679 
7.40 p. m.. 
1089 
29.838 
51.0 
50.0 
29.673 
6 a. m. 
1089 
29.800 
46.0 
45.5 
29.714 
6 a. m. 
1089 
29.842 
56.0 
55.0 
29.770 
8.05 a. m.. 
1089 
30.081 
60.0 
58.0 
29.928 
11.18 a. m. 
1089 
30.133 
68.0 
65.0 
29.984 
6.08 p. m.. 
1089 
30.040 
61.0 
58.0 
29.959 
7.15 a. m.. 
1089 
30.096 
50.0 
50.0 
30.014 
10 a. m.... 
1089 
30.125 
57.0 
56.0 
29.939 
0.25 p. m.. 
1089 
30.095 
62.5 
62.0 
29.954 
2.30 p. m.. 
1089 
30.052 
69.5 
68.5 
29.925 
7p. m. 
1089 
29.980 
59.0 
58.0 
29.919 
6.30 a. m.. 
1089 
29.992 
49.5 
49.0 
29.946 
9 a. m. 
1089 
30.000 
55.0 
55.1) 
29.939 
12 m. 
1089 
29.964 
62.0 
62.0 
29.937 
3 p. m. 
1089 
29.950 
63.5 
63.5 
29.937 
6 p. m. 
1089 
29.956 
61.0 
61.5 
29.934 
8 a. m. 
1089 
29.974 
58.0 
57.5 
29.932 
12 m. 
1089 
29.993 
63.5 
62.5 
29.938 
3 p. m. 
1089 
29.983 
65.0 
64.0 
29.958 
9 p. m. 
1089 
29.980 
51.0 
50.0 
29.959 
7.30 a. m.. 
1089 
29.886 
45.0 
44.5 
29.950 
9 a. m. 
1089 
29.862 
47.0 
46.5 
29.939 
12 m. 
1089 
29.795 
65.0 
65.0 
29.938 
3 p. in. 
1089 
29.762 
65.5 
64.5 
29.940 
6 p. m. 
1089 
29.736 
58.5 
58.0 
29.934 
7.20 a. m.. 
1089 
29.846 
51.5 
51.5 
29.990 
9 a. in. 
1089 
29.870 
55.5 
55.0 
29.934 
3 p. ra. 
1089 
29.895 
68.0 
67.0 
29.941 
6 p. m..... 
1089 
29.900 
59.5 
59.0 
29.934 
7.30 a. m.. 
1089 
30.093 
55.0 
54.0 
29.932 
9 a. m. 
1089 
30.122 
59.5 
59.5 
29.935 
0.30 p. in.. 
1089 
30.142 
63.5 
63.0 
29.946 
3 p. in. 
1089 
30.137 
65.5 
65.0 
29.935 
6 p. in. 
1089 
30.126 
60.0 
60.0 
29.934 
7.30 p.in.. 
1089 
30.130 
55.0 
55.0 
29.928 
6.45 a. m.. 
1089 
30.156 
49.0 
48.0 
29.939 
Mean of corrected read¬ 
ings of barometer. 
Elevation above mean 
tide at Benicia. 
Distance from preceding 
station. 
Distance from Benicia. 
Inches. 
29.507 
Feet. 
512 
Miles. 
24.0 
Miles. 
647.0 
29.586 
440 
20.5 
667.5 
29.572 
448 
27.0 
694.5 
29.689 
339 
266 
119 
66 
25.5 
19.3 
2.0 
11.0 
720.0 
739.3 
741.3 
752.3 
• 
29.943 
105 
7.0 
759.3 
Station. 
Camp49 W, McKenzie’s fork. 
Camp 50 W, Calapooya creek 
.do.... 
.do. 
Camp 51 W, North fork of 
Santiam river. 
.do... . . 
.do. 
Camp 52, near Butte creek.... 
.do.. 
.do. 
Camp 53 W, ridge above Ore¬ 
gon City. 
Clackamas river. 
Willamette river, opposite 
Portland city. 
Camp 54 W, opposite Fort 
Vancouver!. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do 
.do. 
.do. 
.do 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
. do. 
.do. 
Remarks. 
7 AA 
