The year 779 1318 1668 867 431 177 329 575 1088 2672 4212 1949 1998 726 932 866

The year 711 757 722 442 217 84 163 362 749 1945 3411 1262 990.693 689 654

West

.27

3652

172 S. 75 11 W. .15
343 S. 69 18 W. .33
325 S. 59 54 W. .31
236 67 0 W. .333

S. 66 51 W. .28

1 Computed from the resultants for the seasons.

The published record does not give the numbers for the separate seasons in detail.

The direction of the resultants for

the different months are given as follows, viz.: January S. 60° 30′ W., February N. 72° 42′ W., March S. 63° 42′ W., April N. 86° 6' W., May N. 24° 12′ E., June S. 52° 36′ W., July S. 50° 0′ W., August S. 67° 18′ W., September S. 63° 54′ W., October S. 57° 12′ W., November S. 30° 42′ W., December S. 62° 42′ W.

Computed from observations collected and classified, from the logs of different sailing vessels, at the United States Naval Observatory, under the direction of Capt. M. F. Maury, Superintendent, as follows, viz. :—

Summer N. N. E. 11, N. E. 17, East 4, E. S. E. 10, S. E. 4, S. S. E. 2, South 13, S. S. W. 6, S. W. 28, W. S. W. 2, West 5, W. N. W. 13, N. W. 3, N. N. W. 3; calm or variable, 3.

Direction of resultant, S. 35° 38′ W.(??)
Ratio of resultant to sum of winds, .15.
Number of days, 26.

Autumn: North 2, N. N. E. 2, N. E. 2, South 10, S. S. W. 17, S. W. 19, W. S. W. 3, variable, 34.

Direction of resultant, S. 3° 22′ E.(?)
Ratio of resultant to sum of winds, .24.
Number of days, 40.

E. N. E. 15, East 7, E. S. E. 9, S. E. 6, S. S. E. 4,
West 6, W. N. W. 2, N. W. 4, N. N. W. 2; calm or

(Nos. 50(a) to 56.)

Southern Norway.

Observed at the following places, viz. :—

Christiana, at the Observatory from April, 1837, to December, 1863, inclusive, and 1867.
Lindesnes, for 6 years, 1863 to 1868, inclusive.

Lister, for 6 years, 1863 to 1868, inclusive.

Mandal, by Hansen, for 7 years, 1861 to 1867, inclusive.

Sandosund, by Olsen, for 7 years, 1861 to 1867, inclusive.

Skudesnes, by Christensen, Storhoug, and Egeland, for 7 years, 1861 to 1867.

Spydberg, during the years 1784 and 1785.

position of this place.

The author is in doubt in regard to the geographical

50 (a). Skudesnes.

January
February
March

April

:

...

217

197

.........

...

65 81 141 175 207 159 68 56 48
83 63 117 147 188 117 100 83 102
111 71 130 144 215 72 65 75 117
235 41 63 77 189 99 84 137 75
May
241 23 64 55 173 144 82 153 65
June
290 34 67 33 145 115 101 151 64
July
278 15 32 50 138 131 118 190
August 226 36 39 55 192 146 102 156 48
September 176 37 81 93 241 137| 82 81 72
October 1391 76 77 149 220 100 90 90
November 132 78 127 159 179 68 108 78
December 106 45 88 180 175 124 128 104 50
Spring 587 185 257 276 577 315 231 365 257 S. 71° 41′ W..06
Summer 794 85 138 138 475 392 321 497 160 N.61 28 W..25
Autumn 447 191 285 401 640 305 280 249 202 S. 4 47 E. .13
Winter 254 189 346 502 570 400 296 243 200 S. 7 22 E. .22
The year 2082 600 1026 1317 2262 1412 1128 1354 819 S. 43 57 W..08

Dr. Buchan, in his work on the prevailing winds of the globe, gives them, for the several months of the year, at Lister and Lindensnes, as follows, viz. :

2192

August

55. Sandosund

93 147 18

43

96 444 112 406

85 345 73

65 299 104
74 211 85

75 266 96 94

N. 43 E. .11

September 54 173 70 82
October 83 195 551 65
November 112 240 47 79
December 142 149 35 64
Spring 370 803 126 106 218 822 115 133 307 N. 7 46 W. .05
Summer 241 488 105 153 297 1221 287 120 191 S. 48 33 W. .29 S. 40 W. .20
Autumn 249 608 172 226 224 855 262 166 238 S. 49 1 W. .09 S. 31 E. .03
Winter 456 632 113 197 213 699 223 183 284 N. 38 38 W. .08 N. 20 E. .10
The year 1316 2531 516 682 952 3497 887 602 1020 S. 69 20 W. .09 |
RELATIVE PREVALENCE OF WINDS FROM THE DIFFERENT POINTS OF
THE COMPASS.

Monsoon

influences.

50
72 39 59
29 89
50 84

51 58

87 65

79

56. Christiania. (No. of observations.)

Ratio of resultant

to sum of winds.

Number of days.

Jan. 153 127 167 33 32 7 42 56 60 14 18 12 10 13 36 31 26
Feb. 142 100 136 32 24 9 47 44 59 19 21 10 15 15 34 30 31
Mar. 152 123 145 33 55. 9 40 42 70 15 20 15 28 12 28 37 39
April 141 107 125 36 46 9 63 57 94 26 33, 12, 14 9 36 29 28
May 95 67 106 41 45 17 67 86 174 44 34 16 16
June 69 40 87 35 48 14 73 99 184 60 36 18 22
July 65 52 82 31 44 16 96 108 199 49 34 17 22 9 29 25 13
Aug.
74 43 121 38 61 18 91 81 162 47 36 11 26 7 16 25 34
Sept.
113 69 140 37 47 19 82 65 97 37 23 12 15 11 32 27 31
Oct. 155 109 159 23 30 10 49 64 75 29 15 11 27 15 24 52 47
Nov. 190 109 172 27 21 4 39 41 46 14 15 12 23 16 25 47 58
Dec. 162 120 198 26 26 8 27 29 76 10 18 6 15 11 32 47 45
Spr.
388 297 376 110 146 35 170 185 338 85 87 43 58 28. 87105 82 N.57°11' E. .24 S. 20° E. .00
Sum. 208 135 290 104 153 48 260 288 545 156 106 46 70 28 68 76 648.42 17 E. .28 S. 2 W..34
Aut. 458 287 471 87 98 33 170 170 218 80 53 35 65 42 81 126 136 N.39 12 E..32 North.12: 2639
Win. 457 347 501 91 82 24 116 129 195 43 57 28 40 39 102 128 102 N.31 26 E..41 N. 3 E. .22
2557
Year 1511 1066 1638 392 479 140 716 772 1296,364 303 152 233 137,338 435 384 N.57 36 E. .24

10501

16 September, 1874.

1 For note see page 120.

January 204.5 136.1 201.4 30.7 42.4 13.4 56.3 70.2 77.7 13.4 23.5 11.8 18.1 5.5 45.4 49.6
February 209.7 120.4 155.3 33.9 30.5 7.1 59.3 68.1 102.0 23.4 20.1 11.3 34.6 13.8 51.0 59.7
March 176.7 106.0 146.1 29.5 40.4 12.0 60.1 53.5 114.0 35.3 27.0 18.6 44.1 16.0 71.4 49.2
April 162.2 117.8 147.8 36.2 36.2 11.5 59.8 58.0 151.5 45.4 28.8 12.9 35.1 9.2 46.9 40.6
May 131.6 76.2 105.4 28.4 42.0 13.9 81.5 96.1 212.0 57.6 28.8 12.1 30.2 7.5 38.4 38.4
June
84.6 52.0 84.0 32.0 32.7 15.3 93.4 108.7 252.3 65.8 25.4 18.9 30.5 16.0 50.2 38.2
July
77.1 52.8 72.9 28.9 38.4 12.3 110.2 136.0 251.5 66.9 29.9 20.4 29.9 9.2 38.8 24.7
August 107.0 60.1 104.5 25.0 42.2 14.3 104.2 113.0 230.1 51.9 28.9 14.7 30.1 7.9 32.5 33.6)
September 133.5 91.0 113.5 25.9 41.8 13.7 83.9 87.3 184.9 45.1 23.7 16.3 32.2 8.5 58.4 40.7
October 178.6 104.1 141.6 28.0 37.1 9.8 73.5 79.7 114.3 32.0 26.2 17.8 38.9 14.6 53.1 50.6
November 227.7 124.0 186.1 26.9 28.9 4.0 69.7 50.7 64.6 17.8 21.4 9.5 28.1 10.7 57.8 72.1
December 223.0 131.3 223.5 27.4 19.3 5.0 46.3 50.8 85.4 13.0 18.9 13.9 24.7 9.0 53.5 54.9
The year 159.6 97.6 142.2 29.4 36.0 11.0 74.8 81.0 153.4 39.0 25.2 14.9 31.4 10.7 49.8 46.0 N. 47° 8' E. .19

to sum of winds.

Ratio of resultant

[January
February
March
April
May

June

July
August
September

1

October

November

December

22423 22

217

197

217

210

217

4 1

5 10

5

210

217

217

210

217

210

7

5

217

Spring

12

14 8 15 14 14

27 59 45 71 64 46

S. 42 14 W.

.39 N. 81 W. .22
.26 S. 47 E. .13 637
.28 S. 69 E. .26 631
.22
2556

644

1 P. E. Muller, Bokelmann, and Hansen.