61G 
RISE AND FALL OF THE COLUMBIA RIVER 
Observations of the Columbia river, &fc. —Continued. 
Hour. 
Date. 
Rise. 
Fall. 
Temperature 
of air. 
Temperature 
of water. 
Remarks. 
8 A. M_ 
it 
July 4 
5 
Inches. 
Inches. 
o 
53 
o 
48. 75 
Stand. 
4 
53. 75 
48.5 
Fall. 
it 
6 
3 
54.5 
49 
1 
a 
7 
H 
n 
m 
134 
15 
55 
49. 75 
a 
8 
55.5 
49.9 
it 
9 
55 
50.5 
u 
10 
55.9 
50. 9 
n 
11 
56. 75 
51.5 
it 
12 
144 
16* 
134 
56 
51.75 
- Water continues clear during fall. 
n 
13 
54. 75 
51.5 
a 
14 
55 
51.2 
n 
15 
18 
55. 75 
52 
a 
16 
16| 
144 
m 
6 
56.5 
52.5 
a 
17 
56 
52. 1 
tt 
18 
56.75 
52.2 
a 
19 
57. 5 
53 
, 
a 
20 
24 
58 
53.5 
River about the usual stage. 
159| 
121 | abov 
207 i aboY 
207| 
e spring level, 
e summer level. 
Highest.... 
Highest.... 
