Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean: Vol. 1, Pt. 2

METEOROLOGICAL OBSERVATIONS.
Barometric and Meteorological Observations-Continued.
Locality and date.
Barometer Attached Barometer Air ther- Wind.
No. 1. therm. corrected. momet'r.
July 21..............
21................
21................
22................
22................
22 -.unris - - - -, - -4 -5.64 -6 S- luy
22................
22................
223............
22 - p....-..-.90 4..51.5. W-.a.r
23................
23............. —--------—.. -.
23................
23..w.............
24 I..............
6 p. m.......
7 p. m.......
8 p. m.......
Sunrise.....
6 a. m.-.-.9 a. m.-.-.12 m.........
3 p. m.......
9 p. m.......
Sunrise..
8 a. m....-..
12 m.
3 p. m
6 p.m...
7 p.m..
Sunrise...
Mean.......................
Camp McClellan, No. 3.
July 24................
24..............
24................
25............2..
Mean....-..................
Camp No. 4.
July 25. ------------ ----
26.................
26..
26 —---- ----- —. ----.52 7..48 7. W..Far
26...............
26.........
26................
27................
27....
................
Camp No. 5.
July 27................
27.......1S —---.
28....... —.... 28 -----.. —--.
28................
28 - p. —--- - 34 8 23 8. --------—.
28................
28................
29...
29................
29................
29................
29................
29................
30................
30................
30................
30................
30................
31................
3p. m......
6 p. m.......
Sunrise....
9 a. m.......
12 m.........
3 p.m....-..
6p. m.......
Sunrise......
9 a. m.......
12 m.........
3 p. m.......
6p. m.......
9 p. m.......
Sunrise..
7 a. m.....
9 a. m.......
12 m.........
3 p.m.......
6 p. m.......
9 p. m.......
Sunrise....-..
Fair.
Fair.
Foggy.
Smoky.
Fair.
Fair.
Pleasant.
Fair; heavy dew.
Fair; smoky.
Fair.
Fair.
Fair.
Fair.
Foggy.'Temperature of
Fair. stream at Camp
Fair. { 5, Yahkotl plain,
Fair. at 9 a.m., 60~;
Fair. at sunrise, 59~.
Fair; smoky.
Fair.
Cloudy.
Mean......... —---- —.............
604
Hour.
Remarks.
Very clear and dry.
Pleasant.
Pleasant.
Cloudy.
Clear; smoky.
Clear; smoky.
Few clouds.
Few clouds.
Fair.
-Cloudy.
Cloudy.
Pleasant; smoky.
Fair.
Fair.
Fair.
Foggy.
29.-754
..758
-.712
.742
.764
.723
.721
.826
..900
.870
. 940
. 958
.948
.918
.912
. 880
94
1 88
81.5
65
69
-73
87
91
84
53. 5
63.5
78
86.5
84. 3
76.2
49.5
29. 580
. 600
.571
. 645
.656
. 605
.566
.660
.751
. 804.
.847
. 825
.793
.768
.785
. 824
29.706
93
88
81
66
69
75
. 87
90
85
54.2
63.7
79.8
86.5
84.2
77.5
51
79. 3
SW.-....
SW......
0
s - - ",-,
s - ------
SW.-.-..
0'
SW. - - -..
NW..-..
NW.....
NW..-..
NW -.. -.
SW.....
NW
NW.....
0 -
.................
29.794
.712
. 677
30. 254
29.728
Clear.
Fair.
Fair.
Foggy.
I P. m.......
5 p.
7i p. m.. - -..
Sunrise... - - -.
29.940
. 868
.781
30. 300*
83
87
67.5
45, 5
83
86.5.
66. 3
46
78. 6
w......
Nw-..-.
NW.....
NE...-..
..........
.......
29.433
.429
..418
. 395
. 328
. 323
.517
.438
29.410
7 p. m.......
Sunri,se.......
9 a. m.......
12 m.........
3 p. m -------
6 p. m.......
Sunrise......
8 a. m.......
29.530
.474
.552
.553
.516
.474
.562
.574
66. 5
45.5
79.5
88.5
100
86
45.5
80
68
45
79.5
87
94.5
84
44
74
72
NW.-...
NW.....
NW-.....
NW.....
w......
0
w......
w......
Fair.
Fair.
IFair.
Fair. -
Smoky.
Smoky.
Heavy dew; clear.
Clear.
Mean........
.............
29. 352
.312
. 304
.420
.410
. 364
.388
.270
. 382
. 378
. 358
. 350
.288
. 312
. 370
. 396
.402
.. 384
. 360
. 350
. 380
29. 202
.198
.259
.297
.261
.213
.275
.228
.264
.240
.208
.237
.208
.261
.283
..288
.273
,250
.251
..274
. 312
SW..._..
s
SW.-....
SW ------
SE......
s
0
SW......
SE......
S... "-,
0
w......
w......
w......
SW......
SW..-...
0
s.......
s -------
s -
SE......
86
72
45.5
75.5
85
86
71.5
44.5
73.5
81
85. 5
71. 5
59.2
47.7
61.7
69.5
77.5
79.2
70
57. 5
54.5
84
71
46.2
74.8
83
84. 5
.70. 5
145.5
71.7
79.7
83
71
59
46.8
61.5
69
77
79.5
69
57. 5
54
29.251 68.5
. I L
..........
........