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(Nos. 31 to 83.) Southern Iowa, and Missouri north of latitude 40°. Observed at the following places, viz.:

Athens, Missouri, by John T. Caldwell, for an aggregate period of 29 months, in the years 1863 to 1866 inclusive.

Bethany, Missouri, by D. J. Heaston, during the months of January, February, May and June, in the year 1860.

Canton, Missouri, by George P. Ray, for an aggregate period of nearly six years, in the ycars 1862 to 1868 inclusive; also by J. M. Parker, during the month of April, 1868.

Centreville, Iowa, by Rev. John C. Clyde, at the request of the author, from January to June inclusive, in the year 1870.

Des Moines, Iowa, by Rev. J. A. Nash, for an aggregate period of 20 months, in the years 1865, 1866 and 1867.

Edinburgh, Missouri, by John E. Vertrees, from September, 1866, to January, 1867, inclusive.

Fort Des Moines, Iowa, by post surgeons, for an aggregate period of 26 months, in the years 1843 to 1840 inclusive.

Kirksville, Missouri, by Robert Byers, for an aggregate period of 22 months, in the years 1860, 1861 and 1862.

Lancaster, Missouri, by John M. Wethersford, from June to November inclusive, in the year 1859.

Luray, Missouri, by B. P. Hannan, from June to October inclusive, in the year 1859.
Newton, Iowa, by A. Failor, during the last five months of the year 1869.

Pella, Iowa, by E. H. A. Scheeper, for an aggregate period of 21 months in the years 1854, 1855 and 1856.

Trenton, Missouri, by Thomas J. Conkling, during the month of August, 1859.

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| The observations at this place, being made with extreme accuracy, by means of a vane which marked single degrees of azimuth, do not admit of tabulation in the usual form. The monthly resultants are as follows, viz.:

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Direction of resultant
Ratio of do, to sum of winds

N. 87° 37' W. S. 84° 17' W. N. 49° 58' W. N. 19° 45' W. S. 17° 34' W. S. 27°45' W.
.51
.19
.17
.06
.26

.15

2 Computed from the resultants for the seasons.

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222 383 177 491 342 456 158 743 118 N. 88° 47' W..10

798 245 349 211 572 558 606 124 432 291 S. 0 25 E. .175

1012 161 177 115 352 269 433) 160 488 258 S. 59 6 W..16

789 234 321 131 409 377 498 241 718 176 s. 31 39 W..15

810 S. 39 14 W..12

3409 911 1001 102 118 105 306 135 339 S. 89 11 W..18

768 67 110 102 189 171 389 161 252 S. 49 37 W..27

766 27 47 37 65 39 163 100 144 S. 79 15 W..33

637 68 55 48 571 81 130 132 224 N. 78 28 W..33

567 S. 80 34 W..26

2738 313 483 279 609 447 762 293 1082 181 N. 89 40 W..12 N. 87° E. .06} 798 312 465 313 761 729 995 285 684 291 S. 19 3 W..185 S. 33 E. .131012 188 224 152 417 308 596 260 632 258 S. 66 11 W..19 S. 71 W..044 789 302 376 179 466 458 628 373 942 176 N. 89 48 W..18 N. 36 W..08

810 S. 65 10 W..15

3409

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2 preceding Motion combined. of clouds.

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Computed from the resultants for the seasons.

(No. 831) Southeastern Minnesota and Western Wisconsin. Reported to the Smithsonian Institution, from the following places, viz. :Cascade Valley, Wisconsin, by Samuel R. Seibert, for the month of May, 1856.

Prescott, Wisconsin, by Rev. Spencer L. Hillier, for the months of January, February and March, 1857.

Red Wing, Minnesota, by Rev. Jabez Brooks, for the months of November and December, 1855, and April, 1856.

Wabashaw, Minnesota, by Rev. Spencer L. Hillier, for the month of December, 1857.

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Average velocity of all winds in miles per hour
Velocity in mean direction on the supposition th 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 Excess of the latter over the former

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(Nos. 84 to 86.)

Western and Central Wisconsin. Observed at the following places, viz.:Cascade Valley, by Samuel R. Seibert, during the month of May, 1856. Galesville, by William Gale, during the months of June, July, and August, 1867. Mosinee, by J. S. Pashley, during the months of January and February, 1859. New Danemora, by Emil Hauser, during the months of April, May, and June, 1859. Prescott, by Rev. Spencer L. Hillier, during the months of January, February, and March, 1857. Wausau, by W. A. Gordon, M.D., during the year 1859.

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14

Spring 29
Summer 35
Autumn 59
Winter 84
The year!
Spring 10
Summer 19
Autumn 11
Winter 52
The year!
Spring 39
Summer
Autumn 70
Winter 136
The year!

85. Motion of clouds.

6 9 2 23

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6 2 13 5 24

54 68 70 59 29 S. 31° 35' W..13
45 82 169 76 135 S. 87 6 W..18
37 20 15 37 49 N. 44 32 E. :.06
76 112 58 96 60 S. 78 44 W..174

S. 79 35 W..17
6 12 29

N. 86 46 W..22
7 10 84 17 N. 77 41 W..57
21 45 51 49 S. 81 52 W..54}
16 52 18 23 N. 65 29 W..17

N. 85

5 W..37
60 80 99 68 29 S. 45 57 W..13 S. 67° E. .17
52 92 253 93 135 N. 89 6 W.1.50 N. 827 w..25
58 65 66 86 49 S. 88 36 W..25 N. 8 E. .02
92 164 76 119 60 S. 87 26 W.1.16} N. 79 E. .09

S. 84 37 W..25

215 276

91 208 790 123 92 91 151 457 215 276

91 208 790

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48
15

86.

Two preceding combined.

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69

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87.

Fort Atkinson.

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N. 61° 22' W..18 S. 86° E. .08
N. 88 34 W..35 S. 54 W..14
N. 72 34 W..28 S. 81 W..03
N. 38 59 W..23, N. 43 E. .13
N. 68 52 W..25
S. 79 13 W..150
S. 38 26 W..209
S. 74 36 W..207
N. 62 7 W..217
S. 77 40 W..178
N. 76 19 W..191
S. 41 25 W..269
S. 87 22 W..265
N. 48 53 W..329
N. 84 6 W..228

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 year

2349 2508 1364 3314 2716 3324 3654 6385

904 1262 396 1683 3496 3364 1575 2383
1953 13201 438 1818 2773 3574 2:389 4861
3592 2000 813 2049 1237, 2618 3071 6881

1
12.43 11.50 8.27 9.95 9.70 10.17 10.25 13.53
6.28 6.37 4.40 6.71 8.63 8.20 7.06 8.36
9.04 8.15 6.08 7.16 8.33 9.988.47 11.36
11.19 9.17 6.16 7.32 5.65 8.23 9.03 10.94

Surface M'n vel. in

miles p.h’r.
wind.

89. Aggregate of all stations.

1623 2218 14522769 1730 2081 2001 4280 1032 N. 55 11 W..091
1343 1531 1142 2949 2853 3160 1964 3121 1544 S. 39

6 W..165
1537 1158 939 2446 2432 2515 2129 3997 1460 S. 76 52 W..18
1577 1419 899 2305 1798. 2181 2302 4691 1276 N. 75 40 W..20
6080 6326 4132 10469 8813 9947 8396 16089 5312 S. 82 50 W..14
383 298 221 333 288 699 1203 1258 (N. 76 22 W..42
377 316 189 319 370 1061 1626 1431 N. 84 28 W..484
341 206 136 329 326 746 1214 1257 N. 82 13 W..47
236 182 101 222 183 473 1083 940 N. 78 9 w..50.

N. 80 22 W..47 2006 2516 1673 3102 2018 2780 3204 5538 1032 N. 66 13 W..16 N. 42} E. 1.08 1720 1847 1331 3268 3223 4221 3590, 4552 1544 S. 64 52 W..21 S. 8 E. .09 1878 1364 1075 2775 2758, 3261 3343 5254 1460 S. 85 O W..23 S. 48 W..031 1813 1601 1003 2527 1981 2654 3385 5631 1276 N 76 27 W..25 N. 364 W..07

N. 89 5 W..20

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2 preceding Motion combined. of clouds.

102 22

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No. of ob-
servations.

No. of miles.

M'n vel.
in miles
per hour.

ian Stations, in the years

1854, 1855, 1856 and 1857.7 91. Aggregate number of obser. 90: Surface wind at Smithson

vations at all stations.

Spring 169 389 187 532 169 497 193 675 N. 82° 19' W..064
Summer 127 323 111 668 278 781 242 387 S. 20 49 W..233
Autumn 108 296 110 624 231 714 228 662 S. 48 21 W..187
Winter 199 316 146 401! 263 538 278 958 N. 75 48 W..219
The years

S. 60 45 W..143
Spring 1262 1998 1259 3127 1448 41001599 6446 N. 80 49 W..194
Summer 510 958 338 2397 1419 3637 1197 2139 S. 42 31 W..285
Autumn 815 1141 489 3023 1236 4077 1780 4864 S. 75 36 W.: 261
Winter 1856 1674 857 1709 1446 2570 2265 7747/ N. 57 20 W..359
The years

N. 87 58 W..236
Spring 7.47 5.14 6.73 5.88 8.57 8.25 8.28 9.55
Summer 4.02 2.97 3.05 3.59 5.10 4.66 4.95 5.53
Autumn 7.55 3.85 4.45 4.84 5.35 5.71 7.81 7.35
Winter 9.33 5.30 5.87 4.26 5.90 4.78 8.15 8.09
Spring 1069 3264 1321 3522 1311 3894 2268 5631 755 N. 74 25 W..13
Suin mer 760 2542 864 4058 1985 5838 1566 3406 1030.S. 32 37 W..22
Autumn 741 2124 752 3173 1554 4766 1985 5196 934 S. 74 35 W..22
Winter 1033 2345 1000 2772 1818 4675 2787 6735 924 N. 86 37 W..26
The years

S. 75 1 W..18+
Spring 287 834 311' 481 344 1308 1884 1863 N. 87 13 W..42
Summer 260 689 295 578 371 2345 2232 1222 S. 76 56 W..46
Autumn 279 546 263 379 246 1739 1510 1420 S. 88 30 W..444
Winter 276 498 293 325 298 1440 1616 1408 N. 88 23 W..45
The years

S. 87 26 W..44
Spring 1356 4098 1632 4003 1655 5802 4152 74.94 755 N. 81 9 W..20 N. 31° E. 1.08
Summer 1020 3231 1159 4636 2356 8183 3798 4628 1030 S. 51 44 W..26 s. 17 E. .12
Autumn 1020 2670 1015 3552 1800 6505 3495 6616 934 s. 79 47 W..27 S. 71} W..02
Winter 1309 2843 1293 3097 2116 6115 4403 8143 924 N. 87 17 W..30 N. 44., W.,.07}
The years

S. 80 26 W..241 1 Formerly Bloomington. 2 Dr. Ignatius Langer, H. H. Belfield, W. P. Dunwoody and D. S. Sheldon. 3 Hermau H. Fairall and W. Reynolds. 4 Dr. J. E. Ball. 5 Rev. John Ufford, Suel Foster and Josiah P. Walton. 6 Including Pella in Southern Iowa. 7 From this table we obtain the following summary of results :-

Surface
wind.

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Motion

of clouds. Two receding combined.

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