244 
BAROMETRIC OBSERVATIONS, 
OBSERVATIONS—Continued. 
Station. 
Date. 
Hour. 
No. of barometer. 
First reading. 
Attached thcrmoim 
ter. 
Air thermometer. 
Reading corr. for co: 
stant error, tern 
and hor. variation 
Corrected mean br 
romcter reading. 
Wind. 
Clouds. 
.2 
o 
CD 
s 
<D 
CD 
Jh 
o 
1854. 
Camp 127. 
Feb. 21 
7 a. m_ 
783 
29. 804 
52. 3 
49. 5 
29. 678 
s. 
0. 5 
7 a. m- 
790 
.846 
47. 5 
. 670 
9 a. m_ 
783 
-.820 
53. 5 
. 680 
29. 622 
s. 
0. 5 
Station A. 
_do_ 
12 m. 
783 
29. 828 
69. 3 
29 663 
0 
Camp 128. 
_do_ 
3 p. m_ 
783 
29. 790 
71. 7 
29. 693 
0 
Sunset®_ 
783 
. 788 
64. 2 
. 709 
0 
9 p. m_ 
783 
. 786 
57 
. 691 
N.W .. 
0. 5 
Do.._ 
Feb. 22 
Sunrise-_ 
783 
. 918 
53. 5 
. 798 
0 
9 a. in_ 
783 
. 936 
54. 5 
_ 
. 794 
29. 641 
Station 5_ 
__ _ _do_ 
12 m._ 
783 
29. 991 
69. 7 
. 
29 
0 
Cir. cumulus, 9 
Camp 129.. 
. .do_ 
Sunset .... 
783 
29. 800 
61. 3 
61. 7 
29. 729 
Sunset_ 
790 
. 774 
64 
. 738 
N.W... 
0. 3 
Do.. 
Feb. -23- 
Sunrise_ 
783 
. 750 
41. 3 
. 667 
Sunrise ... 
790 
. 696 
41. 2 
. 641 
0 
_do _ _ 
8 a. m_ 
783 
. 771 
48. 3 
*650 
29. 601 
Station 7_ 
_do_ 
12 m._ 
783 
29. 780 
70. 6 
•?9. or? 
0 
Station 12 j. 
_do_ 
3 p. m_ 
783 
29. 474 
71 
29. 378 
S.W - 
1 
Camp 130_ 
_do_ 
Sunset.... 
783 
29. 618 
68. 8 
29 527 
0 
9 p. m_ 
783 
. 558 
58. 5 
. 461 
s.w... 
0. 8 
Cirrus, 5_ 
Do. 
Feb. 24 
Sunrise_ 
783 
. 590 
55. 6 
. 475 
N.W -. 
3 
8 a. m_ 
783 
. 640 
62. 7 
. 482 
29. 421 
0 
Station 3J_ 
_do_ 
12 m_ 
783 
29. 556 
61 
_ 
29. 417 
N.W __ 
4 
Station 5.. 
_do_ 
3 p. m_ 
783 
29. 120 
29. 040 
N.N.W. 
3 
Station 8_ 
_do_ 
Sunset_ 
783 
29. 642 
65. 2 
29 562 
Camp 131.. 
_do_ 
9 p. m_ 
783 
29. 738 
51. 3 
29. 659 
N.N.W. 
1 
None 
Do. 
Feb. 25 
Sunrise_ 
783 
. 774 
45. 5 
. 680 
29. 608 
0 
Camp 132_ 
_do_ 
9J a.m._ 
783 
29. 866 
58 
. 713 
12 m.. 
783 
. 856 
64 6 
. 706 
Sunset.... 
783 
. 701 
70 
68 
. 607 
S.W ... 
3 
Cirrus, 1_ 
9 p. m_ 
783 
. 636 
54. 5 
55. 5 
. 550 
Do.. 
Feb. 26 
Sunrise_ 
783 
. 582 
36 
37. 5 
. 513 
9 a. m_ 
783 
. 664 
59. 5 
62. 3 
. 510 
29. 587 
Station A_ 
_do_ 
12 m_ 
783 
29. 710 
66. 2 
29. 554 
Camp 133§_ 
__do _ _. . 
3 p. m_ 
783 
29. 676 
72. 7 
71. 2 
29. 577 
29. 580 
Camp 13 4§_ 
Feb. 28 
8|- a. m_ 
784 
29. 632 
60. 5 
29. 475 
Sunset.... 
784 
. 524 
61. 9 
. 453 
9 p. m_ 
784 
.588 
50 
. 512 
Do. 
March 1 
Sunrise.. -. 
784 
. 652 
37. 2 
. 580 
9 a. m_ 
784 
. 774 
59. 7 
. 618 
29. 595 
Camp 135._ 
_do_ 
12 m_ 
784 
29. 724 
59. 5 
29. 587 
3 p. m_ 
784 
. 746 
61. 2 
. 676 
Sunset .... 
784 
. 748 
55. 6 
. 694 
9 p. m_ 
784 
. 762 
41. 7 
. 707 
Do. 
March 2 
Sunrise ... 
784 
.864 
40. 7 
. 792 
29. 586 
Station B__ 
_do_ 
9 a. m_ 
784 
29. 646 
51 
29. 513 
Station 4_ 
_do_ 
12 m. 
784 
29. 026 
65. 7 
28. 873 
Station D. _ _ 
_do_ 
3 p. m_ 
784 
28. 508 
60. 5 
28. 444 
Camp 136. . 
_do_ 
6.10 p. ni- 
784 
27. 900 
49. 5 
27. 855 
9 p. m_ 
784 
. 890 
44. 5 
. 832 
Do. 
March 3 
Sunrise.... 
784 
. 856 
43 
. 786 
27. 762 
Station 2 _ _ 
_do_ 
9 a. m_ 
784 
27. 900 
44. 7 
27. 785 
_do_ 
12 m.. 
784 
27. 372 
69. 3 
27. 216 
. 
3 p. m_ 
784 
. 280 
60. 2 
. 220 
Sunset.... 
784 
. 264 
54. 7 
. 211 
9 p. m. . 
784 
. 216 
44. 6 
.100 
Do. 
March 4 
Sunrise_ 
784 
. 150 
40. 7 
. 086 27. 171 
_do_ 
9 J a. m_ 
784 
26. 548 
53. 5 
26. 410 
_do_ 
12 m_ 
784 
26. 342 
59 
26. 212 
Station P. 
_do_ 
3 p. m_| 
784 
25. 809 
55 
.'1 
25.763 
. 
- * Appearance of rain. j Wind in gusts. Jin gusts. 
§ Camps 133 and 134 were upon opposite sides of the river, at about the same height above the water. The mean of the 
barometric readings at the two places is taken to determine their altitude above the sea. 
