216 
BAROMETRIC OBSERVATIONS 
OBSERVATIONS—Continued. 
Station. 
Date. 
Hour. 
No. of barometer. 
First reading. 
Attached thermome¬ 
ter. 
Air thermometer. 
Reading corr. for con¬ 
stant error, temp, 
and hor. variation. 
Corrected mean ba¬ 
rometer reading. 
Direction. 
3' 
r - 
Force. 
Clouds. 
1854. 
Camp 149_ 
March 17 
3 p. m_ 
784 
27. 340 
43. 5 
27. 320 
Sunset .... 
784 
. 386 
42. 5 
. 364 
Do. 
March 18 
Sunrise_ 
784 
. 354 
42 
. 287 
27. 407 
Station 1__ 
_do_ 
9 a. m_ 
784 
27. 854 
44 
27. 741 
Station 2_ 
12 m_ 
784 
27. 882 
45. 5 
27. 784 
Station F_ 
_do_ 
3 p. m_ 
784 
28. 472 
47. 5 
28. 440 
Camp 150 . .. 
_do_ 
Sunset_ 
784 
28. 670 
47 
28. 635 
Do. 
March 19 
Sunrise_ 
784 
. 764 
45 
. 688 
9 a. m_ 
784 
. 838 
66. 7 
. 666 
12 m_ 
784 
. 820 
61. 5 
. 681 
3 p. m... 
784 
. 798 
52. 2 
. 759 
Sunset_ 
784 
. 804 
50. 5 
. 760 
9 p. m_ 
784 
. 818 
47 
. 751 
Do. 
March 20 
Sunrise._ 
784 
. 788 
37. 5 
. 732 
28. 747 
Station D_ 
_do_ 
9 a. in_ 
784 
29. 026 
54. 5 
28. 885 
Station 9_ 
_do_ 
12 m_ 
784 
29. 274 
67. 6 
29. 117 
Station P_ 
_do_ 
3 p. m_ 
784 
29.472 
65. 5 
29. 391 
Station H_ 
_ _do_ 
Sunset .... 
784 
29. 754 
57 
29. 689 
Camp 151_ 
_do_ 
9 p. m_ 
784 
29. 824 
47. 5 
29. 755 
Do. 
March. 21 
Sunrise_ 
784 
. 764 
36. 7 
. 708 
29. 777 
Station D_ 
_do_ 
9 a. m_ 
784 
29. 798 
62. 3 
29. 634 
Camp 152_ 
_do_ 
12 m. 
784 
29. 710 
68. 2 
29. 549 
12 m. 
790 
. 670 
65. 7 
. 560 
3 p. m_ 
784 
. 672 
68. 5 
. 583 
3 p. m_ 
790 
. 642 
67 
. 599 
Sunset. 
784 
. 670 
55 
. 611 
Sunset.__ 
790 
. 638 
52. 2 
. 630 
9. n m_ 
784 
. 708 
49. 5 
. 634 
9 p. m_ 
790 
. 686 
50 
. 653 
Do.. 
Sunrise._ 
784 
. 606 
42 
. 536 
Sunrise. - . . 
790 
. 684 
42 
. 657 
9 a. in._ 
784 
. 826 
65 
9 a. ni_ 
790 
. 782 
62. 5 
. 662 
12 m. 
784 
. 744 
67 
.586 
12 m._ 
790 
. 720 
67 
. 605 
3 p. m_ 
784 
. 703 
64. 5 
. 624 
3 p. in_ 
790 
. 683 
63 
. 650 
Sunset_ 
784 
. 700 
55. 2 
. 641 
790 
. 672 
56. 1 
. 653 
9 p. m_. _ _ 
784 
. 742 
51.5 
. 664 
9 p. m_ 
790 
. 721 
50. 9 
. 686 
29. 665 
Cp. 153, San Pedro 
March 24 
8 a. m_ 
784 
30. 030 
68 
29.855 
29. 925 
Abnormal variation for same date at San Francisco applied to this observation. 
