BAROMETRIC OBSERVATIONS. 
217 
OBSERVATIONS—Continued. 
Station. 
Date. 
Hour. 
No. of barometer. ' 
1 
1 
First reading. 
i 
1853. 
'Camp No. 2_ 
July 20 
7 p. m- 
783 
29. 667 
8 p. m_ 
783 
. 672 
Do. 
July 23 
8J- a. m... 
783 
. 600 
10 a. m... 
783 
.597 
11 a. m_ 
783 
. 586 
12 m_ 
783 
.592 
1 p. m_ 
783 
.582 
2 p. m_ 
783 
. 577 
3 p. m_ 
783 
.566 
4 p. m_ 
783 
. 544 
5 p. m_ 
783 
. 513 
6 p. m_ 
783 
.517 
7 p. m_ 
783 
. 520 
8 p. m_ 
783 
. 528 
Do.. 
July 24 
5J a. m_ 
783 
. 517 
7 a. m_ 
783 
.533 
8 a m.-_- 
783 
. 534 
9 a. m_ 
783 
.537 
12 m_ 
783 
.535 
4 P- m--- 
783 
. 521 
H p. m-.- 
.S3 
. 520 
4 p. m_ 
783 
.474 
54 p. m... 
783 
.484 
Do.. 
July 25 
8 a. m_ 
783 
. 630 
14 a. m_. 
783 
. 670 
12 111 _ 
783 
. 664 
1 p. m_ 
783 
. 666 
2 p. m_ 
783 
. 652 
3 p. m_ 
783 
. 616 
4 p. m_ 
783 
. 648 
5 p. m_ 
7 S 3 
. 642 
6 p. m_ 
783 
. 634 
7 p. m_ 
783 
. 648 
8 p. m_ 
783 
. 600 
9 p. m_ 
783 
. 658 
Do_... 
July 26 
Sunrise_ 
783 
. 698 
64 a. m_ 
783 
.736 
- 
7 a. m_ 
783 
. 734 
8 a. m_ 
783 
. 716 
9tj a. m... 
783 
. 776 
10 a. m. .. 
783 
. 780 
11 a. m_ 
783 
. 718 
12 m_ 
783 
. 752 
1 p. m- 
783 
. 744 
2 p. m- 
783 
. 750 
Camp No. 3_ 
July 27 
Sunrise.... 
783 
29.760 
6 a. m_ 
783 
. 802 
7 a. m_ 
783 
. 811 
Camp No. 4. 
--..do_ 
3 p. m- 
783 
29. 746 
5 p. m_ 
783 
. 646 
9 p. m_ 
783 
. 604 
Do. 
July 28 
Sunrise_ 
783 
. 670 
9 a. m- 
783 
.754 
12 m. 
783 
. 704 
3 p. m_ 
783 
. 674 
Sunset_ 
783 
. 650 
9 p. m_ 
783 
. 667 
Do...._ 
July 29 
Sunrise_ 
783 
. 673 
Station 6___ 
9 a. m_ 
783 
29. 693 
July 24.—5J a. m., thick mist. 7 a. m., mist partially 
commenced at 3 p. m. 
28 m 
Attached thermome¬ 
ter. 
Air thermometer. 
Beading corr. for con¬ 
stant error, temp, 
and lior. variation. 
Corrected mean baro¬ 
meter reading. 
Direction. 
% 
id. 
<6 
0 
O 
Clouds. 
78. 5 
80. 1 
29. 522 
0 
Cumulus, 1_ 
76 
79 
. 529 
0 
None_ 
78. 2 
79.5 
. 421 
0 
Nimbus, 9_ 
82. 6 
83 
. 411 
0 
Nimbus, 9 .... 
85. 5 
87. 2 
. 394 
0 
Nimbus, 3_ 
87. 5 
90 
. 403 
0 
Nimbus, 3..-- 
93 «6 
95 
. 381 
0 
Nim. & Cir., 2 
95. 5 
97. 6 
. 374 
0 
Cumulus, 1_ 
97 
98. 1 
. 361 
0 
Cum. & nim., 1 
92. 8 
96 
. 362 
0 
Cumulus, 1_ 
88. 1 
90 
. 347 
0 
Cumulus, 1_ 
85 
87 
. 357 
— 
0 
Cumulus, 1_ 
79. 5 
83 
. 372 
0 
Cir. & nim., 3. 
80 
83. 6 
. 376 
0 
Cir. & nim., 3. 
74 9 
77 
. 375 
0 
None_ 
78 6 
80. 3 
. 371 
0 
None_ 
79. 3 
81. 1 
. 362 
0 
Cir.-cum., 7 .. 
85. 5 
87. 5 
. 345 
0 
Cir.-cum., 6.. 
92 
93. 2 
. 334 
S.W... 
1 
Cr.-cu. & ni., 8 
85 
86. 1 
. 344 
S. W--_ 
1 
Nim. & cum., 9 
82. 6 
84 
. 351 
0 
Nimbus, 9.... 
73. 6 
. 353 
0 
Nimbus, 10_ 
74. 9 
77 
. 353 
0 
Nimbus, 10_ 
76 
74 
. 466 
0 
None_ 
82 
83. 6 
. 496 
0 
None___ 
85 
87 
. 480 
N. 
0. 2 
_4_ 
87. 5 
90 
. 481 
N. 
0. 5 
_2.. 
86 
88 
. 475 
N .. 
0. 2 
..2. 
85. 5 
86. 5 
. 446 
N. E._. 
1 
.3. 
80. 8 
82 
. 497 
N. K.._ 
1 
.3. 
78 
80 
. 502 
N. E... 
1 
..2. 
75 
77 
. 500 
0 
.3. 
71 
74 
. 522 
0 
.9. 
70 
73 
. 514 
0 
.7_ 
69 
72 
. 531 
0 
_7.. 
61 
63. 5 
. 594 
0 
None_ 
64 
66 
. 614 
0 
.G.. 
66. 5 
58. 5 
. 604 
0 
..6. 
77. 8 
69. 8 
. 549 
0 
..5. 
77 
78 
. 604 
S. 
0. 1 
_■.4_ 
77 
80. 5 
. 607 
S. 
1 
.4.. 
78. 2 
81. 2 
. 545 
s. 
1 
.7. 
79. 5 
83 
. 584 
0 
..7. 
80 
82 
. 577 
0 
.7. 
82 
83. 9 
. 560 
29. 488 
0 
None_ 
56. 6 
29. 5 
29. 669 
0 
Cirrus, 2 __ 
70 
66. 7 
667 
0 
Cirrus, 2_ 
72 
69. 9 
. 666 
29. 542 
N. E... 
2 
Cirrus, 1_ 
79. 6 
84 
29. 590 
E_ 
1 
Cirrus, 1_ 
74. 5 
77 
. 511 
0 
Cirro-stratus, 7 
69 
66 
. 475 
0 
Cirro-stratus, 2 
56. 5 
59 
. 579 
0 
Cumulus, 3_ 
87 
. 557 
0 
None_ 
82. 8 
. 528 
0 
Cum. & nim., 4 
85. 5 
. 502 
0 
None_ 
75. 8 
. 513 
0 
Cumulus, 3_ 
68 
73 
. 543 
0 
None__ 
56. 6 
59 
.556 
29. 469 
0 
Stratus, 2 .... 
78. 4 
79. 8 29. 521 
. 
0 
Cumulus, 1_ 
dissipated. 4 p. m., showers with slight thunder; lightning 
