1 Computed from the resultants for the seasons.

161 S. 79 15 W..68
345 S. 53 4 W..26
216 S. 3 0 E. .26
S. 59 48 W. .35
S. 3 23 E..21
N. 0 3 E. .14
S. 12 4 E. .18
S. 41 4 E. .19
S. 24 29 E. .10

2 The number of observations and the number of miles here given are from different sources; the former being as given on the top of this page; but the time and date of the latter being not preserved.

N. 82 W..36

N. 78 E..10

S. 75 E. .33

S. 15 W..11

N. 10 W..24

2 1

S. 4 W..08

S. 59 E. .09

1 Astoria, Forts Stevens and Yamhill, and Oregon City. For observations at Oregon City see Army Met. Reg. Forts Cascades and Dalles.

(No. 32.)

8 Computed from the resultants for the seasons.

Northern Idaho.

Observed at Fort Lapwai, by U. S. Army Surgeons, for an aggregate period of 3 years, in the years 1864 to 1869 inclusive.

S. 40 46 W. .47 S. 42 10 W. .71 S. 25 16 W. .18 S. 74 45 E. .25 S. 29 11 W. .32 118 1022 936 510 27 S. 81 37 W. .48 58 832 1074 732 42 N. 86 6 W. .49 123 1377 992 552 42 S. 75 56 W. .47 283 1417 646 468 36 S. 61 10 W. .32 S. 79 44 W. .43 S. 76 12 W. .47 S. 83 35 W. .49 S. 73 19 W. .42 S. 57 4 W. .27 S. 74 33 W. .41

S. 63 W. .17
S. 52 W. .41
N. 35 E. .14
N. 62 E. .45

N. 83 W. .05

N. 28 W. .13

S. 40 W. .05

S. 60 E. .37

1 Deer Lodge City and Helena City, surface winds and motion of clouds combined.

2 Computed from the resultants for the seasons.

Dacotah, north of latitude 45°.

Observed at the following military posts, by U. S. Army Surgeons, viz.:—

1 Fort Buford, surface winds and motion of clouds combined.

Forts Berthold, Rice, Stevenson, and Totten, surface winds and motion of clouds combined. 3 Forts Abercrombie, Ransom, and Wadsworth.

4 Computed from the resultants for the seasons.