610 
METEOROLOGICAL OBSERVATIONS, 
Barometric and Meteorological Observations —Continued. 
Barometer 
corrected. 
Air ther- 
momet’r. 
1 
Wind. 
Remarks. 
27. 637 
57.5 
N. 
Clear. 
.670 
46 
N. 
Clear. 
27.678 
51.7 
28.483 
65 
N. 
Clear. 
.492 
51.5 
W. 
Clear. 
.540 
63 
sw. 
Fair. 
28.172 
61.5 
29. 217 
86 
sw. 
Clear. 
.188 
70 
sw. 
Clear. 
.239 
54 
NW. 
Clouds; fair. 
.251 
72 
NW. 
Clouds; fair. 
.228 
87 
NW. 
Clouds; fair. 
. 154 
87 
NW. 
Clouds; fair. 
.159 
80 
NW..... 
Cloudy. 
. 155 
59 
NW. 
Cloudy. 
29.199 
74.5 
28.925 
66.5 
W. 
Rain at 5£p.m., with thunder 
29. 003 
56 
w....... 
Heavy rain till 9 a. m. 
28.964 
61.2 
28.271 
64 
w. 
Cloudy. 
29.163 
53 
NW. 
Fair. 
29.191 
70 
NW. 
Clouds; fair. 
.387 
48.5 
W. 
Fair. 
29.289 
59.2 
29. 190 
65 
N.. 
Fair. 
.229 
43 
N. 
Clear. 
29.209 
54 
29. 088 
72 
N. 
Clear. 
.085 
65 
N. 
Fair. 
.045 
53 
N. 
Clear; aurora borealis. 
.191 
41.5 
N. 
Clear; heavy dew 
29.102 
57.9 
Locality and date. 
Camp No. 23. 
Sept. 19. 
20 . 
Mean. 
Camp No. 24. 
Sept. 
20 . 
21 . 
21 . 
Mean. 
Camp No. 25. 
Sept. 
2 !. 
21 . 
22 . 
22 . 
22 . 
22 . 
22 . 
23. 
Mean. 
Camp No. 26, north branch 
of Columbia river. 
Hour. 
6 p. m . 
Sunrise 
6 p. m . 
Sunrise. 
8 a. m . 
3 p. m .. 
6p.m.. 
Sunrise. 
9 a. m .. 
12 m ... 
3 p. m .. 
6p.m.. 
Sunrise . 
Sept. 23. 
24. 
Mean. 
Camp No. 27, north branch 
of the Columb ia. 
Sept. 24. 
25. 
Camp No. 28, north branch 
of the Columb ia. 
Sept. 25. 
26. 
Mean. 
Camp No. 29, north branch 
of the Columbia. 
Sept. 26. 
27. 
Mean. 
Camp No. 30, Okinakane 
river. 
Sept. 27. 
27. 
27. 
28. 
Mean. 
6 p.m., 
Sunrise 
6 p.m.. 
Sunrise . 
6 p.m., 
Sunrise . 
6 p. m. 
Sunrise 
3 p. m ., 
6 p. m .. 
9 p. m .. 
Sunrise , 
Barometer Attached 
No. 1. ' therm. 
27.760 
.714 
28.576 
.550 
.640 
29. 368 
.300 
.299 
.370 
.384 
.310 
.296 
.300 
29. 024 
.074 
28. 360* 
29.223 
29. 300 
.440 
29.286 
.268 
29.202 
. 180 
. 106 
.226 
57.5 
46 
65 
51.5 
67.5 
86.5 
71 
54.5 
73.5 
87 
87 
80.5 
84 
66.5 
56 
64 
53.5 
70 
48.5 
65 
43.5 
72.5 
65 
52 
42 
* Observations rejected. 
