(Nos. 69 and 70.) Northwestern Iowa. Observed at the following places, viz.:Grant City, by Edwin Miller and Mrs. Miller, during the year 1869. Lizard, by J. J. Bruce, during the month of February, 1869. Onowa, by R. Stebbins, from February to September inclusive, in the year 1864. Rolfe, by Oscar J. Strong, for an aggregate period of 22 months, in the years 1868 and 1869. Sioux City, by Dr. J. J. Saville, for an aggregate period of 16 months, in the years 1857 and 1858; and by A. J. Millard, from January, 1860, to March, 1863, inclusive, and by U. S. Army Surgeons, during the first 4 months of 1864. No. of in the year 1857. miles p.hr. miles. observat’ps. Surface M'n vel. in No. of 70. Aggregate rumber of obser- 69. Surface wind at Sioux City wind. vations at all stations. 2 preceding Motion combined. of clouds. Spring 31 ... ... 31 676 46 N. 16 03 W..12 s. 8 26 W..11 N. 67 29 W..28 963 46 N. 34 9 W..17 N. 77°E. .12 520 21 s. 3 21 E. 1.201 S. 29° E. .25 641 16 N. 87 15 W..12 S. 36 W..01 924 9 N. 63 41 W..26} N. 504 W..16 N. 81 57 W..11) 1 ... "From this table we obtain the following summary of results : Spring. Autumn. Winter. Average velocity of all winds in miles per hour the compass move with the foregoing average velocity compass each their own average velocity, as shown in the table above Excess of the latter over the former . 2 Computed from the resultants for the seasons. (Nos. 71 and 72.) Southwestern Iowa. Observed at the following places, viz.: – Clarinda, by S. H. Kridelbaugh, M.D., during January and December, 1865, and February, 1866. Fontanelle, by A. F. Bryant, for an aggregate period of over 3 years, in the years 1866 to 1869 inclusive. Fort Croghan, by post surgeons, during nine months of the year 1843. 71. Surface wind at and Feb. 1854.1 72. Aggregate number of obser- 'St. Mary's in Jan. vations at all stations. ... ... ... Spring Motion preceding of clouds. 171 200 155 84 238 109 N. 10 19 E. 1.03 S. 28 25 W..12 8 W. .173 37 85 94 47 55 0 S. 45 57 W.1.40 6 36 331 22 58 0 S. 88 38 W..36 17 22 48 65 61 O N. 84 57 W..39 S. 78 7 W..31 191 240 200 147 289 109 N. 46 48 W. .04 269 569 288 137 186 175 S. 6 49 W.1.33 122 343 145 95 308 173 S. 57 45 W.1.20 196 250 212 205 3771 183 N. 82 48 W..15 S. 44 7 W..14 Two combined. 220193 174 N. 28° E. 1.14 ... | From this table we obtain the following summary of results : Winter. 7.37 1.40 Velocity in mean direction on the supposition that the winds from every point of the compass move with the foregoing average velocity . their own average velocity, as shown in the table Excess of the latter over the former 3.02 +1.62 2 Computed from the resultants for the seasons. (Nos. 73 to 77.) Minnesota, south of latitude 45°. Observed at the following places, viz. : Afton, by Dr. B. F. Babcock, for an aggregate period of 34 months, in the years 1865, 1866, 1867 and 1869. Bowles Creek, by Andrew Stouffer, during the month of December, 1865. Fort Ridgely, by post surgeons, for an aggregate period of nearly 13 years, in the years 1853 to 1867 inclusive. Fort Snelling, by post surgeons, for an aggregate period of over 37) years, in the years 1822, 1824 to 1858, and 1867 to 1869, both inclusive. (Nos. 73 to 77.) Minnesota.- Continued. Minneapolis, by William Cheney, for an aggregate period of over five years, from November, 1864, to December, 1869, inclusive. New Ulm, by Charles Roos, from February, 1864, to December, 1869, inclusive. Pajutazee, by Rev. S. R. Riggs, for an aggregate period of 24 months, in the years 1860, 1861 and 1862. Red Wing, by Rev. Jabez Brooks, during the months of November and December, 1855, and April, 1856; and by A. M. Stephens, during the first eight months of the year 1867. Rochester, by Alfred Milmine, during the first three months of the year 1869. St. Paul, by Rev. A. B. Patterson, for an aggregate period of nearly 7 years, in the years 1861 to 1869 inclusive; and by J. M. Heimstreet, from October, 1866, to January, 1867, inclusive. Sibley, by C. W. and C. E. Woodward, for an aggregate period of over 54 years, in the years 1865 to 1869 inclusive. Source of the Des Moines, by Nicollet. O South. 73. Fort Ridgely. [ January 34 781 113 191 68 103 269! 364 February 43 59 92 162 71 122 188 381 64 70 109 180 79 75 215 436 61 68 143 193 103 88 167 156 65 71 153 174 142 95 142 155 403 367 403 300 403 330 372 403 409 434 441 434 1166 1105 1284 1204 4759 ... N. 50° 11' W..15 ... ... 74. Source of the Des Moines. ... 75. Southwestern Minnesota. Spring 2 preceding Motion 48 N. 44° 5' W..15 N. 4° E. 1.10 1810 18 S. 6 54 E. 1.12 S. 45 E. .17 1657 15 S. 86 17 W..12} S. 451 W..02 1830 25 N. 80 38 W..23 S. 74, E. .12 1715 N. 87 55 W..11 17012 N. 74 11 W. .45} N. 62 E. 1.10 583 S. 82 53 W..40 S. 45} E. .17 521 N. 84 30 W..57 S. 67 W..05 516 N. 76 1 W..72 N. 604 W..20 423 N. 81 46 W..53 2043 48 N. 52 46 W...18 N. 8 E. 1.10 1810 18 S. 24 23 W..12, S. 411 E. .16 1657 15 S. 89 38 W..17} s. 51° W..02 1830 25 N. 79 42 W..27 N. 72 W.1.12 1715 N. 85 44 W. .154 7012 ... 605 659 745 1028 628 525 1159 2067 ... ? "Whenever a bend, an angle, or some prominent bluff is more exposed to the fury of northwest winds, that blow violently a great part of the year,” etc. 3 Danville, Fort Ridgely, New Ulm, Pajutazee and Sibley. 3 Computed from the resultants for the seasons. 35 January, 1875. N. W. or be- variable. Number of days. North. East. South. Force. 76. Fort Snelling. January 190 183 139 466 262 483 311 476 1178 February 150 169 135 356 233 468 324 483 1046 March 191 193 148 442 380 436 330 536 1147 April 247 264 191 413 260 375 309 422 1140 May 230 358 266 380 296 383 299 349 1178 June 208 207 189 479 383 403 235 296 1110 July 175 239 158 538 460 443 306 320 1178 August 236 227 178 550 510 407 254 339 1178 September 186 232 104 541 409 433 263 398 1110 October 191 210 125 488 360 524 317 410 1178 November 202 204 150 435 265, 417 363 516 1140 December 192 182 154 510 271 470 307 561 1147 Spring 668 815 605 1235 936 1194 938 1307 S. 53° 21' W.1.10 3465 Summer 619 673 525 1507 1353 1313 795 955 S. 10 6 W..21 3166 Autumn 579 646 379 1464 1034 1374 9731324 S. 43 22 W..19 3428 Winter 532 534 428 1332 766 1421 942 1520 S. 60 15 W..20 3371 The year2 s. 39 35 W.'.13 13730 S. 44 40 W..15 17079 705 27 24 32 751 226 123 N. 84 24 w..55) N. 49 W..07 751 N. 88 51 W..50 3073 S. 51 48 W..16 17079 ... ... Surface wind. ... 77. Southeastern Minnesota, 1 26 ... 2 preceding Motion combined. of clouds. | Afton, Bowles Creek, Chatfield, Fort Snelling, Hastings, Mankato, Minneapolis, Red Wing, Rochester, St. Paul, Travers des Sioux and Wabashaw. 2 Computed from the resultants for the seasous. (Nos. 78 to 80.) Northern Iowa. Observed at the following places, viz. : Algona, by F. McCoy and Miss Elizabeth McCoy, for an aggregate period of 31 years, in the years 1861 to 1865 inclusive; and by James H. Warren, from April, 1867, to December, 1869, inclusive; also by Philip Dorweiler, at a point ten miles southwest of Algona, for an aggregate period of over three years, in the years 1866 to 1869 inclusive. Ames, by J. M. Cotton, during the month of September, 1869. Boonsboro, by E. Babcock, for an aggregate period of 21 months, in the years 1867, 1868 and 1869. Border Plains, by G. C. and W. K. Goss, for an aggregate period of 21 years, in the years 1856, 1857 and 1858. Dakota, by William 0. Atkinson, from October, 1867, to March, 1868, inclusive. Fort Dodge, by post surgeons, for an aggregate period of 22 months in the years 1851, 1952 and 1853; and by C. N. Jorgenson, from March, 1867, to March, 1869, inclusive. Iowa Falls, by Nathan Townsend, from November, 1863, to December, 1869, inclusive, except the month of February, 1868. Marble Rock, by H. Wadey, for an aggregate period of 28 months in the years 1867, 1868 and 1869. Mineral Ridge, by J. T. Sullivan, during the last seven months of the year 1869. 15 51 1 0 0 2 43 78. Fort Dodge.! 52 January 41 15 10 28 30 75 27 193 26 167 163 April 31 91 37 36 9 49 33 136 69 49 46 81 19 42 27 90 30 57 61 14 52 July 32 35 5 31 45 102 11 39 49 142 36 33 168 518 427 125 135 1101 ... ... ... ... ... The year No. of in the years 1856 and 1857.3 No. of 80. Aggregate number of obser- 79. Surface wind at Border Plains winds. miles p.h'r. miles. observat'ns. Surface M'n vel. in vations at all stations. 2 preceding Motion combined. of clouds. ... ... Spring 494 1172 624 617 473 2067 229 N. 37 8 W..13 s. 78 8 W.1.14 N. 89 24 W..40.1 614 N. 87 26 W..373 s. 88 23 W..36 563 1432 812 925 947 2715 229 N. 57 32 W..17 N. 22° E. .13 439 1974 1691 1343 1065 1644 698 S. 26 47 W..21 S. 31 E. .18} 349 1579 1755 1464 1235 3348 338 S. 78 32 W..26 S. 67} W..07 279 1374 1184 1172 1223 3263 198 N. 81 45 W..27 N. 49° W..10 ... S. 81 41 W..19 I Surface winds and motion of clouds combined in April and May, 1867, and January, 1868. 2 From this table we obtain the following summary of results : |
