16

45

30. Camp Warner.

94

...

31. Southern Oregon.'

...

32. Camp Watson.

55

Spring
Summer
Autumn
Winter
The year
Spring
Summer
Autumn
Winter
The year
Spring
Summer
Autumn
Winter
The year
Spring
Summer
Autumn
Winter
The year
Spring
Summer
Autumn
Winter
The year
Spring
Summer
Autumn
Winter
The year
Spring
Summer
Autumn
Winter
The years

33. Eastern Oregon.

8 68 10 91 41 171 38 124 i's. 56° 24' W..27 S. 71° W...17. 184 25 88 30 61

52 0 S. 1 8'W..12, S. 60 E. .07 123 9 105 26 135 24 121 31

1 S. 12 55 E. 1.104 S. 82) E.

08

182 21 121 10 116 15 108 45 104 3 N. 68 49 W..031 N. 14° E. .11 181

S. 33 6 W..11

670 48 124 45 139 84 260 248 209 130 S. 76 40 W..28 S. 881 W..10

429 41 87

46 124 83 149 228 107 56 S. 65 25 W..251 S. 54" W. .08 307 70 152 79 170 92 177 183 132 37 S. 54 56 W..104 S. 89 E. .08 364 73 217 96 246 53 212 250194 15 S. 83 22 W..08.) N. 59 E. .10 452 S. 70 27 W..18

1552 23 35 38 45 56 146 145 144 10 s. 80 47 W..40 N. 10 W..04 214 15 22 11 17 6 93 195 193 0 N. 76 56 W..67 N. 45 W.,36 184 9 39 16 21 50 141 139 116 12 S. 79 42 W.!. 19 N. 76 W..09 182 9 20 44 124 85 94 41 32

1 s.

4 39 E. .43 S. 47 E. !.48 150 s. 73 54 W..39

730 39 38 73

72 105 374 174 111 S. 85 21 W.1.43 N. 631 W..12 367 92 38, 189 70 67 139 533268 119 N. 80 10 W..36 N. 131 W..15 522 69 42 73 89 67 168 432 126 26 S. 82 41 W..44 N. 74 W..12 364 19 22 53 126 85 95 100 42 1 S. 12 30 W..33, S. 46} E. 35 180

s. 74 40 W..333

1433 398 3 18 48 286 9

3 N. 11 36 E. 1.21
280
3 12 25' 304 6 12

S. 29 44 W..06
336
0 0

0 2101 0 0 0 North. .23
319
0 0 131 0 0

Vorth. .42

N. 0 55 W.!.17
48 104 64 73 46 54 58 76 12 N. 44 49 E...10
38 116 30 47 29 89 40 84 30 N. 17 28 W..11
38 139 40 46 11 64 55 84 36 N. 5 58 E. .21
53 110 82 114 45

48
23 23 25 S. 85 43 E. 1.32

N. 46 4 E. 1.13
416 107 82 121 332 63 88 79 12 N. 25 24 E. .09} S. 191 W..04
318 119 42 72 333 95 52 87 30 N. 16 8 W..01

S. 27. W..12
374 139 40 46 221 64 55 84 36 N. 2 45 E. 1.22 N. 25 w..22
372 110 82 114 176 48 23 23 25 N. 43 37 E. .25 N. 64 E. .13

N. 23 56 E. .13

30

34. Camp Harvey.

35. Camp Three Forks.

2 Auburn and Camps Logan and Watson.
• Computed from the resultants for the seasons.

(Nos. 37 to 43.)

Nevada, north of latitude 40°. Observed at the following places, viz. :

Camp Halleck, by Post Surgeons, for an aggregate period of 62 months, in the years 1863 to 1869 inclusive.

Camp Mc Dermit, by Post Surgeons, for an aggregate period of 43 months, in the years 1866 to 1869 inclusive.

Camp McGarry, by Post Surgeons, for an aggregate period of 38 months, in the years 1866 to 1869 inclusive.

Camp Winfield Scott, by Post Surgeons, for an aggregate period of 34 months, in the years 1866 to 1869 inclusive.

Fort Ruby, by Post Surgeons, for an aggregate period of 62 months, in the years 1863 to 1868 inclusive.

Star City,' by R. C. Johnson, during the last three months of the year 1865.

Surface winds and motion of clouds combined.

Sa Number of days.

82

28

23

120

54

...

...

26

12

16

...

30

26

| January

February
March
April
May
June

July 37.

August North

September western

October
Neva la.

November
December
Spring
Summer
Autumn
Winter
The year
January
February
March
April
May
June

July
38. August
Camp September
McDerwit. October

November
December
Spring
Summer
Autumn
Winter
The years
January
February
March
April
May
June

July 39.

August Cainp

September Wintield

October
Scott.

November
December
Spring
Summer
Autumn
Winter
The year

Spring 40.

Summer Northern Autumn Nevada.2 Winter

The year

Spring 41.

Summer Camp Autumn Halleck. Winter

The year

36 29 19 8 6 27 115 10

93 17 13 43 13 35 27 68 16 23

85 43 20 30 18 24 34 77 7 26

93 18 14 35 13 21 40 14 33

90 38 22 31

23
25 21 71 22 26

93 17 11 19 16 46 45 83 5 28

90 13 12 27 31 49 15 64 15 53

93 7 11 61 39 39 43 43 11 25

93 12 18 52 24 28 39 64 5

90 24 31 56 9. 56 93 26 54

124 30 25 31 18 23 70 108 11 12 10 2 15 44 129 6 54

93 99 56 96

70 95 230 43 85 S. 87° 38' W..183 N. 15.1°E. .08 276 37 34 107 86 134 103 190 31 106 S. 26 42 W.1.25 S. 34 E. 1.17 276 66 74 139 65 60 165 265 42 126 S. 66 43 W..19 N. 78 E. 1.04 334 65 49 72 23 56 98 312 32 106 S. 86 4 W..35 N. 68 W..15 271

S. 68 8 W..21

1157 8 24 126 13

65 96
2

124 30 105 10 24 55 75 21 3

113 12 46 117 12 42 46 81 16 0

124 20 60 101 12 30 37 71 28 1

120 20 41 94 11 17 31 36 28 1

93 14 45 79 21 25 21 26 22 17

90 8 34 04 2 28 26 0

62 14 28 119 9 15 37 35 19 3

93 38 51 125 13 29 41 15 18

120 20 54 128 30 43 27 14 30

124 25 59 90 18 34 84 32 16 2

120 15 106 100 28 33 91 62 29 1

155 52 147 312 35 89 114 188 71 2 N. 84 7 E. 12 N. 554 W..021 337 36 107 262 32 42 80 89 67 20 N. 77 16 E. 1.23} N. 59. E. .105 245 83 164 313 61 89 168 74 60 50 S. 87 58 E. 24, S. 86 E. .11 364 39 160 331 51 83 211 233 62

6 S. 32

2 W..071 S. 71 W..19 392 89 10 E. .14

1338 26 13 1 4 15 24 31 60 12

62 33 15 . 13 10 54 95 6

85 20 14 21 7 57 35 117 0

93 31 7 13 14 56 82 0

90 40 15 19 28 57 40 76 0

93 14 22 34 36 25 38 45 30 26

90 25 11 24 32 37 35 49 23 43

93 16 5 41 50 33 32 36 35 31

93 5 4 11 31 22 58 65 33 41

90 21 27 11 19 3 40 64 24 0

62 16 8 8 17 13 35 43 21

60 89 19 16 27 31 48 56 41

124 91 36 19 53 49 170 135 275 0 N. 74 11 W..46 N. 55 W..21 276 55 38 99 118 95 105 130 88 100 S. 27 41 W..15 S. 56 E. .24 276 42 39 30 07 38 133 172 76 62 S. 75 22 W.1.34 S. 34 W..11 212 148 47 19 44 56 123 106 211 59 N. 65 31 W..253 N. 20} E. .11 271

N. 89 9 W..27

1035 143 183 331 88 138 284 323 347 2 N. 64 41 W..15 N. 50 W..09 613

91 145 361 150 137 185 219 155 120 s. 58 18 E. .08 S. 71 E. 1.14 521 134 203 374 130 138 367 347 168 127 S. 51 13 W..071 S. 10 E. .05) 637 188 207 350 95 139 334 406 295 68 N. 70 42 W..15 N. 59 W..081 634

N. 84 48 W..07

2465 6 18 90 94 70 965 87 95 33 S. 3933 W..641 S. 77W..14 399 24 28 122 105' 119 415 114 16 161 S. 23 42 W..38, N. 47° E. .17 306 25 34 146 213 74 951 109 22. 26 S. 23 33 W..55 S. 57; E. .07 424 23 35 139 141 69 1120 91 37 33 S. 32 59 W..62 S. 48 W..07 4:4

S. 30 59 W..55

1583

...

AOON

60

19

45

I Camp McGarry.

2 Camps McDermit and Winfield Scott, and Star City. 3 Computed from the resultants for the seasons.

...

29

42. Fort Ruby.

82

January
February
March
April
May
June
July
August
September
October
November
| December
Spring
Summer
Autumn
Winter
The year2
Spring
Summer
Autumn
Winter.
The year

62 71 35 8 6 101 153 101 21

186 59 89 37 4 17 102 120 80 2

170 71 36 57 15 22 111 176 68 2

186 85 61 66 0 9 43 126 59 1

150 36 67 15 11 49 91 74

124 45 39 34 2 14 28 157 35 18

124 53 68 38 11 27 50 173 48

155 54 58 26 13 21 101 68 26 5

124 68 56 60 13 19 92 170 65

180 69 77 8 17 61 171 70 3

186 80 64 21 8 48 90 132 0

150 90 80 9 3 3 74 107 99 0

155 192 164 152 30 42 203 393 201 3 N. 58° 1' W..33 S. 76° E. 1.02

460 152 165 98 26 62 179 398 109 23 N. 69 22 W..32, S. 4 W..07 403 217 200 163 28 44 201 431 257 3 N. 52 23 W..36 N. 24 E. .04 516 211 240 81 15 26 277 380 280 23 N. 55 59 W..404 N. 37 W..05 511

N. 58 43 W..35

1890 198 182 242 124 112 1168 430 296 36 S. 66 28 W..34 S. 50 W..031 859 176 193 220 131 181 594 512 125 184 s. 70 7 W..251 N. 604 E. .06 709 242 234 309 241 118 1152 540 289 29 S. 67 9 W..28 N. 80 E. 1.03 940 234 275 220 156 95 1397 471 317 56 S. 69 41 W..36 S. 78 W..05 965

S. 68 16 W..30

3473

...

...

43. Northeastern Nevada.'

...

I Camp Halleck and Fort Ruby.

2 Computed from the resultants for the seasons.

(Nos. 44 and 45.)

Idaho, south of latitude 45°.
Observed by U. S. Army Surgeons at the following military posts, viz.:-
Cantonment Loring or Fort Hall, from August, 1849, to April, 1850, inclusive.
Fort Boise, for an aggregate period of 56 months, in the years 1864 to 1869 inclusive.

80

S. E. or be-
SSD tween S. & E.

S. W. or bo-
See altween S. & W.

82

Jauuary
57 33 63 53 26 40 35 78

155
February 78 51 32 35
30 69 100 68

170 March 56 57 53 50 67 56 96 64 59

186 April 71 54 62 47 39 34 89 73 71

180 May 64 63 26 35 40 50 66 61 60

155
June
21 30 35 22 56 48 81

46
21

120 July

23 22 31 27 33 42 95 59 40 44.

124 August 38 31 36 24 18 52 66 65 42

124 SouthSeptember 56 25 51 32 15 30 65 48 38

120 western

October 54 45 41 27 7 23 58 44 Idaho.'

73

124 November 57 66 40 29 11 15 39 34 69

120 December 101 82 36 63 21 32 54 54 22

155 Spring 191 174 141 132 146 140 251 198 190 N. 48° 54' W..11 S. 1° E. .03 521 Summer

83 102 73 107 142 242 170 103 N. 89 34 W. .23 S. 54 W.,18 368 Autumn 167 136 132 88 33 68 162 126 180 N. 2 24 W..19 N. 42 E. 1.11 364 Winter 259 193 101 161 118 88 163 189 168 N. 1 50 W..161 N. 53 E. .10 480 The year

N. 37 5 W..13

1733 March 25

17
54
15 2 0

31
April
19 0 3 0 60 1 21

30 August 12

9
19 23 47

31 September 22 3 9 1 41 6 31

30 45. October 19 5 3 1 49 5 35 1

31 South November 14 4 7 8 74 3 7. 3 0

30 eastern December 58 2 4 0 57

3 0 0

31 Idaho.2 Spring 44 0 20 0 114 1 36 2 o s. 14 39 W..33

61 Summer 12 9 2 19 23 47 2 OS. 66 47 W..52

31 Autumn 55 12 19 10 164 14 73 4 OS. 24 3 W..36

91 Winter 115 9 21 2 169 2 12 os. 15 19 E. 1.15

90 The year

s. 33 47 W..30

273 I Fort Boise. 2 Cantonment Loring or Fort Hall. 3 Computed from the resultants for the seasons.

...

...

(Nos. 46 to 50.)

Utah, north of latitude 40°. Observed at the following places, viz. :

Camp Douglas, by Post Surgeons, for an aggregate period of 64 years, in the years 1862 to 1869 inclusive.

Camp Floyd,' by Post Surgeons, for an aggregate period of 18 months, in the years 1860 and 1861.
Camp Scott, by Post Surgeons, from December, 1857, to June, 1858, inclusive.
Coalville, by Thomas Bullock, during the last eight months of the year 1969.

Fort Bridger, by Post Surgeons, for an aggregate period of 9 years, in the years 1856 to 1869 inclusive.

Great Salt Lake City, by H. E. and W. W. Phelps, for an aggregate period of nearly 6 years, in the years 1857, 1861 and 1863 to 1869 inclusive; and by U. S. Army Surgeon during the months of November and December, 1854.

Wanship, by Thomas Bullock, for an aggregate period of 25 years, in the years 1866 to 1869 inclusive.

16,

| 217

46. Camp Douglas.

Jamuary 283 157 15 16 30 18 53 82

217 February 237 152 26 14 38 40 71

198
March 206 131 40 31 41 45 38 86 33
April
175 154 79 39

03 45
50 118. 0

240
May 102 126
62 64 52 50 59 85 0

186 June 128, 109 72 14 40 32 83 62

180 July 118 114 75, 21 44 35 97 54

186 August 157 124 55 14 53 37 78 40

186 September 149 133 71 25 69 47 43 90 3

210 October 169 142 94. 35 44 24 65 78

217 November 146 106 79 29 59 42 75 92

210 December 230 134 21 11 49 23 46 75, 62

217 Spring 483 411 181 134 156 140 147 289 33 N. 10° 28' E. .32, S. 17° E. .05 643 Summer 403 347 202 49 137 104 258 156 0 N. 4 28 E. 1.31 S. 164 W..06 552 Autumn 464 381 241 89 172 113 183 260 5 N. 12 8 E. .32 S. 18. E. .07 637 Winter 750 443 62 41 117 57 139 228 62 N. 3 31 E. 1.55 N. 4 W..18 632 The years

1.37

2464 Spring

40 3 6 6 14 2 10 33 N. 26 3 W..447
Summer 49
14 5 32 5

11 N. 13 25 E. .154
Autumu 11 1 5 1 9 1 2

N. 12 3 E. 1.120
Winter
0 0 0 12 0

1 S. 5 34 W..431
The years

N. 36 22 W..075
Spring

205 18 37 26 72 4 61 150 N. 23 48 W..139
Suminer 237 0 53 41 217 22

42 N. 80 29 E. 049 Autumn 42 2. 16

67 4 8 22 S. 24 10 W..088 Winter

6 0 0 0 68 0 0 4 S. 2 44 W.!.758
The year

... S. 28 21 W..103
Spring 5.12 6.00 6.17 4.33 5.14 2.00 6.10 1.55
Summer 4.84 03.79 8.20 6.78 1.40 3.00 3.82
Autumn 3.82 2.00 3.20 4.00 7.44 4.00 4.00 5.50
Winter 1.50 0 0 05.67 0 04.00

...

...

...

1 Fort Crittenden.

Average velocity of all winds in miles per hour
Velocity in mean direction, on the supposition that the winds

from every point of the compass 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 :

3 Computed from the resultants for the seasons.

BEST Ratio of resultant

Surface
wind.

48. Northern Central Utah.'

...

2 preceding Motion
combined. of clouds,

*****

...

Surface winds.

Spring 1070 637 433 445 722 459 472 662 51 N. 6° 4' W..13 N. 87° E. .02
Summer 1069 639' 612 438 906 584 844 582 138 N. 44 10 W.!.07 S. 13 W..08
Autunn 985 696 555 380 673 406 615 696 56 N. 8 20 W.!. 15 N. 22} E. .02
Winter 1191 704 307 393 693 384 488 689 93 N. 9 57 W..19 N. 4 W..06
The years

N. 13 37 W..13
Spring

138 15 7 3 96 137 106 84 N. 86 56 W.!.411 N. 49. E. .18
Summer 56 34 22 13 106 257 271 66 S. 69 2 W..573 S. 9. E. .12
Autumn 43 6 3 2 42 120 199 114 S. 89 56 W..67 N. 51 W..15
Winter 42 0 1 0 78 133 123 68 S. 72 46 W.!.62 S. 21 W..10
The years

S. 80 35 W..56
Spring 1208 052 440 448 818 596 578 746 51 N. 25 46 W..13 N. 72} E. .03
Summer 1125 673 634 451 10121 841 1115 648 138 N. 79 46 W..11 S. 16 W..094
Autumn 1028 702 558 382 715 526 814 810 50 N. 32 6 W..16 N. 3} w..03
Winter 1233 704 308 393 771 517 611 757 93 N. 26 42 W..18 N. 3 E. .05
The year

N. 37 3 W..13
January 49 62 26 3 2 100 497 120 71

310 February 36 35 23 7 14 115 453 103 60

282 March 28 27 27 15 4 129 528 96 76

310 April 21 28 27 6 9 122 502 112 73

300 May 25 42 59 11 17 125 429 147 75

310 June 42 14 31 5 13 38 394 143 130

270 July 54 21 16 11 13 105 463 118 129

310 August 55 17 16 10 21 145 369 126 78

279 September 36 21 19 14 10 147 478 119 50

300 October 35 36 47 15 141 14 428 154 57

310 November 39 33 31 17 7 139 422 115 97

300 December 32 93 45 2 2 92 467 133 64

310 Spring 74 97 113 32 30 376 1459 355 224 N. 87 34 W..64, S. 33 W..04 920 Summer 151 52 63 26 47 2-8 1226 357 337 N. 83 5 W..62 N. 21 E. 1.02 859 Autumn 110 90 97 46 31 430 1328 388 210 N. 87 19 W..63 S. 19 W..03 910 Wiuter 117 190 94 12 18 307 1417 356 195 N. 81 9 W..61 N. 23 E. .04 902 The year

N. 84 50 W..63

3591
Spring 33 4 53 6 96 9 5 2 S. 34 18 E. 1.40 S. 63 W..30 92
Sunnmer 0 7 45 8 1 0 1 0 S. 88 12 E. 1.88 N. 65 E. 1.42 61
Autumn 0 1 84 0 3 1 2 0 S. 87 54 E. .90 N. 67 E. .43 91
Winter

0
0. 73
13 0

South. .41 S. 67} W. .55 59
The year

S. 68 13 E. 1.54

303 Spring

83 111 127 41 58' 460 1552 374 230 N. 89 35 W..63 S. 30 W..04 1012 Summer 151 56 70 28 51 291 1247 388 385 N. 83 17 W..60 N. 15} E. .14 889 Autuunn 110 90 97 46 31 430 1328 388 210 N. 87 19 W..63 S. 54" W..02 910 Winter 132 199 98 15 60 458 1426 363 225 N. 85 37 W..59 N. 68 E. 1.03 992 The years

N. 86 27 W..61

3803

49. Fort Bridger.

...

...

...

" Camps Douglas and Floyd, Coalville, Great Salt Lake City and Wanship.
2 Fort Bridger and Camp Scott.

3 Computed from the resultants for the season.

(Nos. 51 to 55.)

Wyoming Observed at the following places, viz. :Camp Walbach, by Post Surgeons, from December, 1858, to March, 1859, inclusive. Deer Creek Agency, by Thomas S. Twiss, during the months of November and December, 1859.

Fort Fetterman, by Post Surgeons, for an aggregate period of 12 months, in the years 1868 and 1869.

Fort Laramie, by Post Surgeons, for an aggregate period of 14 years, in the years 1849, 1851 to 1865 inclusive, and 1869; also by A. F. Zeigler, from September, 1863, to November, 1864, inclusive, and March, 1865.

Fort Philip Kearney, by Post Surgeons, for an aggregate period of 31 months, in the years 1867, 1868 and 1869.

34 January, 1875.