The data for the study of the winds of this zone consist of observations made at over 303 stations on land, for an aggregate period of over 892 years; at sea for over 27 years. The distribution is as follows:

Computed from observations for an aggregate period of 14 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.

1.

Spring

Longitude 150 to 165 W.

...

2.

Longitude

140 to

150 W.

3. Longitude 135 to

140 W.

9 13 13

9

2 2 7 7 2 24 35 42 23 60 4 10 4, 13

58 210 113 285 130 191 65 184 58 155 46 123 35 103 64 131 75 N. 79° 36' E.
Summer 21 69 27 131 92 133 52 90 33 120 36 60 13 64 13 34 63 S. 58 6 W..26
Autumn 62 184 157 380 220 358 255 470 292 491 184 351 99 280 86 176 132 S. 18 46 E.
Winter 0 9 6 22 7 37 4 7 6
0 8 0 7 0 0 2 S. 76 10 E.
The yearl
S. 65 47 E.
Spring
2 7 5 24 15
0 10 0 10
Summer 11 74 76 174 31 55 14 25 10 15
Autumn 17 71 21 101 26 57 30 52 43 49
Winter 3 5 1 13 15 18 11 14 13 12
i
The year
Spring 1 14 23 51 14
Summer 17 78 170 189 23
Autumn 15 74 43 72 13 31
Winter 0 6 7 7 9 19
The year

.21

.23

N. 80 W. .47 S. 58 W..20 .50 S. 88 E. .24 .27

350

1392

40

2457

22

25 N. 61 30 E.

36

13 S. 77 17 E.

4

1 S. 37 59 E.

8 10 12 11
7 3 1

20
5 9
34 20 27 12
16 3 25 13

2 2 25

7 N. 45 39 E.

.49

N. 51

E. .04

86

3 9 23

N. 45 13 E.

6 6

2

4 10

3 11

4 5 11 29 4 28

4 N. 0 1 W. .20 S. 3 W. .27

N. 2 19 E. .47

86

520

February 207 135 85 80 63 136 180] 190

85 128 124 173 310| 213

དྲ བ ས ༞ 11:|:ཀྵ 1:|:ཀྱད

12 138

5 157

་

5

9 149

5

6 101

17

45 219

51 370

26 444

12
O

0 S. 84 22 W..63
OS. 78 5 W..78

O S. 81 32 W..67

N. 67 W..01
S. 56 W. .17
S. 47 W..05

30

154

182

March

April

May

June

July

14. Fort Yuma.2

176 149
118 122
60 68 65 150 194 266 215 108
50 103 75 195 283 236 198 80
50 93 119 310 280 210 107 42
August 76 146 193 294 290 190 122 32
September 146 195 172 201 195, 202 176
October 207 270 153 143 96 182 212
November 256 192 108' 94 70 189, 234
December 358 243 126 81 118 139 245
Spring 354 339 239 386 466 716 800]
Summer 176 342 387 799 853 636 427
Autumn 609 657 433 438 361 573 622
Winter 837 561 289 261 282 372, 628
The years

8 Computed from the resultants for the seasons.

1 Observed at Drum Barracks, Fort Tejon, Los Angeles, Ranchos del Chino and Jurupa, San Diego, San Luis Rey, Santa Barbara and Santa Catalina.

2 Surface winds and motion of clouds in the year 1869 combined.