ZONE No. 8.

LATITUDE 50° TO 55° NORTH.

The data for the study of the winds of this zone consist of observations made at 218 different places on land, for an aggregate period of not less than 1174 years, probably over 1200 years, and for nearly 30 years at sea, viz., 9327 days on the Pacific Ocean, and 1533 on the Atlantic. The places on land are distributed as follows:

(No. 1.)

Aleutian Islands. Computed from observations made at Iluluk, from the year 1825 to 1834 inclusive (old style), except the months of May, June, July, August and September, 1827, the last half of 1829, and 160 observations in the first half; and published in the Report of the United States Coast Survey for 1867.

N. W. or be-
Otween N. & W.

South.

East.

Force.

74

22

2. Iluluk.

January

120 22 52 74 88 29 49 60 138
February
58 20 81 66

45 48

148 March 81 16 48 83 84 66 83 98 81 April

53 32 63 81 81 87 79 67 90 May

40 42 78 76 68 63 87 81 113
June

34 | 38 56 84 89 77 41 47 130
July
21 23 17 72 94 130 73

141
August 37 16 15 74 76 85 101 54 176
Sept’mber : 67 19 25 58 55 82 114 63 149
October 52 13 29 54 55 94 92 107 ! 156
November 68 18 37 57 57 69 122 73 133
December 139 20 47 39 50 52 55 114 134
Spring

174 90 189 240 233 216 249 246 284 S. 46° 50' W..11 S. 761° E. .03
Summer 92 77 88 230 259 292 215 123 447 S. 27 15 W..241 S. 01 W..15
Autumn

187 50 91 169 167 245 328 243 438 S. 81 17 W..22, N. 731 W..12
Winter 317 62 180 179 212 126 152 236 420 N. 29 55 W..06 N. 33

E. .144
The year 770 279 548 818 871 879 944 848 1589 S. 59 5 W..13

Alaska. Unalaska. Observed by C. P. Fish, six times a day, from June 1 to August 3, 1872, and contained in the Annual Report of the Chief Signal Officer U. S. A. for 1873.

(Nos. 3 to 12.) Pacific Ooean, East of longitude 180° W. Computed from observations, for an aggregate period of over 25 years, collected and classified, from the logs of numerous sailing vessels, at the United States Naval Observatory, under the direction of Capt. M. F. Maury, Superintendent.

Spring
Summer

201 601 11 45 11 33 21 70 17 981 46 39 33 101 2 85 21 s. 83° 37' W.
15 35 12 113 47 106 46 96 39 121 71160 50 94 17 471 40 S. 16 51 W.

Spring
Summer

30 89 63 146 48 118 44 230 38 271 45 227 61 147 40 92 73 s. 25 59 W.
40 200 44 140 111 248| 93 232 57 309 200 401 146 338 97 170 90 S. 54 39 W.

6. Longitude 150° to 155° W.

Spring
Summer
Autumn

1
28 37 54 108 86 125 99 283 135 304 142 277 89 90 37 57 44 S. 12 10 W.
124 260 54181 148 329 131 395 142 561 262 777 432 743 202 327 971 S. 70 44 W.

0 1 0 7 3 11 5 16 16 20 24 61 34 63 23 12 2 S. 77 14 W.

7. Longitude 145° to 150° W.

.17

Spring
Summer
Autumn

23 74 14 73 34 94 56 109 59 177 85 133 65 129 50 87 54 S. 42 15 W.
87 331 100 248 117 358 175 374 136 411 249 641 275 898 191 329 156 S. 80 1 W.
0 8 0 5. 5 2 1 15 0 55 8| 96 36 133 16 19 0 S. 85 54 W.

.23

439 1692 133

.69

8. Longitude 140° to 145° W.

Spring
Summer
Autumn

4 24 6 15 12 24 13 71 32 54 44 80 22 77 13 20 19 S. 45 45 W.
38 144 43 101 33 117 69 257 92 275 123 306 188 354 80 266 99 S. 70 10 W.
0 3 3 0 4 21 101 0 8 26 16 35 25 77 18 16 5 S. 83 53 W.

9. Longitude 135° to 140° W.

Summer

69 140 14 43 27 92 32 164 38 150 69 250 170 462 254 329 76 N. 69 18 W.

(No. 13.)

Alaska. Observed at Fort Tongass, for an aggregate period of 21 months, in the years 1867, 1868 and 1869, by the Post Surgeon.

14

29 7 26 12 3
14 14 23 11

2
18 18 20 19

1
4 10 34 22

0
16 19 36 36 8 18 21 2
20 2 32 67 12 5 8
0 2 54 75

5 16 5
3 7 45 92 14 4 10 5
7 20 24 72 8 4 18
23 15 55 36 12

7
33 34 37 28 6 3 4
20 25 36 30 6 1 17 9
38 47 90 77 11 19 22 3 S. 65° 12' E. 1.28} N. 111° E. 1.08
23 11 131 234 40

34 16 S. 10 40 E. .541 . 23 W..36
63 69 116 136 26 7 29 22 S. 58 1 E. .32 N. 525 E. .04
63 46 85 53 9 1 22 10 N. 83 54 E. .354 N. 251 E. .25}

S. 51 26 E. 1.311
Computed from the resultants for the seasons.

1

(Nos. 14 to 16.)

Hudson's Bay Territory. Observed at the following places, viz. :Fort a la Corne, by Lawrence Clark, Jr., during the months of November and December, 1864.

Red River Settlement, by Donald Gunn, for an aggregate period of over five years, in the years 1844, and 1855 to 1861 inclusive.

Moose Factory, by J. Mackenzie, for an aggregate period of over 17 months, in the years 1861 and 1862.

26

{

No. of ob-
servations.

6 N. 14° 50' E. .54 24 N. 62 47 W. .03

S. 35 57 W. .153 S. 81 39 W. .192 S, 57 55 W. .260 S. 63 23 W. .260 S. 68 31 W. .278 S. 50 30 W. .21 N. 85 0 W. .21 S. 64 57 W. .22 S. 72 0 W. .17 s. 70 5 W..20

566

18

15. Red River Settlement. Surface wind in 1855, 56, &'57.2

14. Fort a November 27

13 0 3
la Corne.' December 7 5 17 4 _0 3

Spring 72 14 4 16 101 25
Summer 108 24 17 7 115 54
Autumn 106 6 15 17 155 58
Winter 84

5 1 118 45
The year
Spring
383 38 8 64

156
Summer 582 161 40

597 252
Autumn 715 14 34 91 971 263
Winter 379 28 10 2 460 96
The year
Spring 5.32 2.71 2.00

4.00 5.60 6.24
Summer 5.39 6.71

2.35

2.57 5.19 4.67 Autumn

6.75 2.33 2.27 5.35 6.26 4.53 Winter 4.51 3.11 2.00 2.00 3.90 2.13 I Surface winds and motion of clouds combined. ? From this table we obtain the following summary of results :

...

No. of
velocity. miles.

Mean

Velocity in mean direction on the supposition that the winds, from every

point of the coin pass, move with the foregoing average velocity True velocity in mean direction, giving to the winds from the several points

of the compass, each their own average velocity, as shown in the table

above Excess of the latter over the former

Computed from the resultants for the seasons.

3

16. Red River Settlement, Aggregate for entire period.

478 128 72 143 450 132 114 195 176 N. 53 8 W. .05} N. 65} E. .09 444 138 110 105 535 176 343 291 215 N. 88 0 W..17 N. 77 W..041 463 90 63 140 547 156 211 239 48 s. 77 5 W.1.14 S. 21 W..03 375 49 64 78 425 167 144 207| 142 S. 80 35 W. .151 S. 501 W..035

S. 88 2 W..12

...

(Nos. 17, 18.)

Southern Labrador, Observed at the following places, viz.:Rigolet, by H. Connelly, for an aggregate period of 211 years, in the years 1859 to 1863 inclusive. Winowkupa, by the same, from October, 1865, to May, 1866, inclusive.

.

(Nos. 19 to 25.)

Atlantic Ocean. Computed from observations, for an aggregate period of over 4 years, collected and classified, from the loy's of numerous sailing vessels, at the United States Naval Observatory, under the direction of Capt. M. F. Maury, Superintendent.

Spring
Summer
Autumn
Winter
The year

12 10 3 9 16 10 17 23 26 28 13 19 24 25 17 20 11 S. 48 43 W..20
8 11 11 19 12 17 16 23 13 25 17 41 28 17 14 16 12 S. 47 24 W..18
6 3 10 16 21 18 22 17 12 6 27 29 19 12 7 8 2 S. 4 22 W..20
9 10 11 10 7 17 6 19 18 20 19 32 14 29 11 19 6 S. 64 49 W..22

S. 42 29 W..19

...

24. Longitude 0° to 10° W.

Spring
Summer
Autumn
Winter

13 12 9 17 17 8 11 5 23 11! 15 6 27 7 21 4 6 N. 54 53 W..05 N. 604 E. .11 17 13 16 19 17 13 9 10 13 23 29 30 44 33 16 9 17 S. 84 34 W..22 N. 86 W..09

5 3 16 10 7 11 4 10 5 5 18 6 22 12 11 7 7 S. 77 4 W.1.13 S. 50 E. 1.01 26 8 4 12 13 6 14 17 26 19 24 16 26 15 13 10 3 S. 63 55 W..17 S. 19 W., 06

S. 80 18 W.1.14

71 109 53 84

The year

...

25. Longitude 0° to 65° W.

Japuary 12 10 9 8 10 13 14 25 22 18 20 32 19 19 18 10 13 S. 45 57 W..23 S. 43 E. 1.03 91 February 16 7 7 18 12 23 18 30 36 47 38 43 44 26 11 19 14 S. 40 14 W..33 S. 14 W..114 136 March

4 4 3 17 7 18 20 20 25 30 15 23 29 17 13 18 6 S. 31 58 W,.28 S. 19 E. .101 90 April 13 11 7 1 231 10 20 14 14 29 12 14 17 18 11 5 10 S. 17 40 W..17 S. 10 E. .135 76 May 16 17 16 23 24 29 34 22 35 20 28 21 28 20 23 25 12 S. 4 45 E. .10 N. 12 E. .191 131 June 20 16 17 30 21 25 21 56 48 43 44 70 35 38 24 19 20 S. 35 5 W..25 S. 28 E. 1.08 182 July 13 9 7 17 13 11 9! 21 15 40 26 65 44 31 18 13 19 S. 65 29 W..36 S. 85: W.1.14.1 124 August 5 8 4 7 3 4 5 27 8 12 16 25 34 23 9 19 14 S. 67 16 W..33 N. 84 W..12 74 September 5 9 15 7 8 21 24 22 13 15 23 28 31 20 18 10 2 S. 43 1 W..18 N. 8 E. 1.06 90 October 10 6 13 22 30 26 18 13 14 20 30 23 20 18 12 11 15 S. 6 5 E. .13 N. 3 E. 1.20 100 November 5 5 11 9 6 5 1 13 6 5 25 22 27 19 13 12 5 S. 87 22 W..34 N. 51; W..20 63 December 13 3 1 7 3 5 2 3 9 5 15 14 16 17 S 9 2 N. 85 17 W..36 N. 46' W..241 44 The year 132 105 110 166 160 190 186 266 245 284 292 380 344 266 178 170 132 S. -52 41 W..23

1201

I Computed from the resultants for the seasons.