RELATIVE PREVALENCE AND FORCE OF WINDS FROM THE DIFFERENT POINTS OF THE COMPASS.

Addendum to Zone No. 9.-Continued.

58(a). Observations at Winnipeg, Manitoba, by James Stewart, from Jan. 1869, to March, 1873.

Between 30° and

15° W. longitude.

Observations on the Atlantic Ocean, calculated by the Meteorological Institute of the Netherlands,

ZONE NO. 10.

LATITUDE 40° To 45° NORTH.

The data for the study of the winds of this zone consist of observations made at over a thousand permanent stations on land, for an aggregate period of over 4414 years; on the Atlantic and Pacific Oceans for over 24 years, and some reported to the British Board of Trade from the Black Sea. The distribution is as follows:

Computed from observations for an aggregate period of 1670 days, collected and classified, from the logs of numerous sailing vessels, at the United States Naval Observatory, under the direction of Captain M. F. Maury, Superintendent.

1. Long. 160°-165° W.

2. Long. 155°-160° W.

3. Long. 150°-155° W.

4. Long. 145°-150° W.

5. Long. 140-145° W.

6. Long. 120°-165° W. 7. Long. 135°-140° W. 8. Long. 1300-140° W. 9. Long. 1300-135° W.

10. Long. 120°-130° W.

Summer
Autumn
Winter
Summer
Autumn
Spring

0

Spring 10 26 4 14 3 3 111 0.36 13 51 14 46 25 25 5 N. 77° 14' W. .42
Summer 041 1 0 1 311 22 13 11 40 35 82 S. 21 29 W. .47 30
Autumn 031 4 4 8 3 230 12 17 823 8 10 7 60 S. 32 15 W. .17 58
Spring 824 0 20 7 27 7 20 16.71 28 64 48 111 42 55 19 N. 89 37 W. .31 189
Summer 09 332 326 3 0 17 26 10 6 0 12 13 29 10 S. 73 16 E. .04 66
Autumn 410 0 1 0 13 5 15 16 33 3 9 0
Spring 7 6 4 11 615 11 54 34 73 11 39 40
Summer 11 37 13 14 5 15 814 4 38 13 31 11 30
Autumn 1 21 11 5 4 10 5 20 12 52 4 13 12 15
Spring 011 0 2 9 8 4 25 13 27 3 25 2 812 11
Summer 644 19 8 314 5 24 9 24 24 45 12 57 15 50 9 N. 64 41 W. .29 123
Autumn 111 0 60 7 5 21 23 571636 8 23 414 7 S. 40 43 W. .49 80
Spring
0 10 0 0 1 5 20 0 15 5 7 2 10 3 9 8 S. 36 20 W. .39 29
12 9 6 13 7 8 3 14 1 12 6 41 6 41 736 12 N. 63 50 W. .32 78
537 6 3 0 18 3 5 419 41 51 22 34 730 11 N. 86 38 W. .38
311 0 13 1 1 0 7 22 410, 2 7 4 8 0 S. 78 46 W. .18

96

6 3 7 5 S. 8 24 W. .42 40 63 26 26 7 S. 53 1 W. .39 144 5 N. 61 40 W. .20 100

4

8 S. 29 19 W. .24 69

6 S. 26 22 W. .31 55

99

31

Summer
Autumn
Spring
Summer
Autumn

0 0 16 13 21 3 14 118 0 N. 89 14 W. .44 36 8 3 5 413 0 13 5 4 0 N. 42 29 W. .09 32 7 416 5 16 7 24 11 35 11 N. 31 53 W. .34 70 10 816 0 S. 75 8 W. .56

34

15 5:27 1 1 0

50

1 5 3 3 3 9 0

Camp Bidwell, by Post Surgeons, from September, 1866, to December, 1869, inclusive.

Camp Gaston, by Post Surgeons, for an aggregate period of 71⁄2 years, in the years 1860 to 1869 inclusive.

Crescent City, by Robert B. Randall, from July, 1859, to January, 1860, inclusive.

Fort Crook, by Post Surgeons, for an aggregate period of 8 years, in the years 1860 to 1869 inclusive.

Fort Humboldt, by Post Surgeons, for an aggregate period of 11 years, in the years 1854 to 1866 inclusive.

Fort Jones, by Post Surgeons, for an aggregate period of 4 years, in the years 1853 to 1858 inclusive.

Fort Lincoln, by Post Surgeons, for an aggregate period of 32 months, in the years 1866 to 1869 inclusive.

Fort Reading, by Post Surgeons, for an aggregate period of 40 months, in the years 1852 to 1856 inclusive.

Fort Ter-waw, by Post Surgeons, for an aggregate period of 18 months, in the years 1860 and

1861.

Meadow Valley, by J. H. Whitlock, C. A. Canfield and M. D. Smith, for an aggregate period of 17 months, in the years 1860 and 1861.

70 357

...

...

...

108 76 75
62
37 18
571
79 44
71 75 97

79 112 115 150 113
28
77 106 162 36
86 100 121 181 58
176 126, 136 83 49

The year2

...

Spring

0

0

Winter

59 134 60 0 47 76 42 59 85 37 122 128 37

0 102 216 164
3 127 156 103]
98 161 172
0 56 150 146

848 134 71 182 294 205 69 332 564 N. 14° 12′ W. .23
969 109 18 64 140 256 99 598 674 N. 27 2 W..42
878 103 86 179 336 273 123 464 750 N. 29 55 W..22
405 143 154 446 481 216
544 S. 26 35 E. .07
N. 24 15 W..20
0S. 86 35 W..15
26 S. 73 41 W. .37
OS. 57 49 W..24
OS. 17 54 E..24
S. 53 36 W..20
N. 76 57 W..26
OS. 84 47 W..32
27 N. 71 11 W..331
ON. 22 58 W..21
N. 71 9 W..26
ON. 38 4 W. .32
49 N. 3 45 W..61
136 N. 57 33 W..29
65 S. 53 8 W..37
N. 44 25 W..28
OS. 49 25 W. .28
24 N. 81 45 W..26
OS. 55 45 W. .18
1S. 23 52 W..20

342 229 70 193 115 208 220 547
488 429 48 71 28 31 78 527
370 217 88 228 121 296 327 674
121 121 48 285 337, 564 391 327|

1467 572 404 609 865 784 883 1277
1702 721 192 272 460 645 762 1386
1475 580 329 621 893 948 957 1524
848 548 486 1007 1403 1114, 772 1004 663 S. 35 33 W. .15

175
f Spring
18 21 39 204 30 17 37
Summer
168 21 5 51 204 70 35 77
Autumn 302 77 13 41 258 58 33 81
Winter 280 28 11, 17 197 20 33 40
The year

...

S. 58 42 W. .20 564 N. 49 59 W..19 833 N. 32 3 W..35 1008 N. 57 49 W..22

.......

1 Camp Gaston, Crescent City, and Forts Humboldt, Jones, Lincoln and Ter-waw.
2 Computed from the resultants for the seasons.