SERIES B, ZONE 9. LAT. 45° TO 50° N. 



197 



(Nos. 33 to 37.) 



Montana. — Continued. 







Relative Prevalence of Winds i'rom the | 







Monsoon 









Different Points of the Oompass. 







5"a 





>» 





p4 





W 





■5 





,^ 









Kind of 

 observation. 



Time of 

 the year. 













am 







P.3 



Direction of 

 resultant. 



oE 



Direction 





t~ 







.a 





^■ 



° a 



A 

 s 



^s 



■s 



Ns 



ss 





^o 





S 



e 







!? 



^B 



W 



mi 



m 



mi 



^ 



^5 



o 





K 





N 



% 



r 



„ . 



1S8 



108 



146 



160 



121 



168 



527 !195 







S. 89°55'W. 



29 



S. 61° E. 



07 



429 





■?,?,8 



73 



86 



110 



74 



80 



462 



177 







S. 6S 27 W. 



36i 



S. 5* E. 



18 



430 



c3 



s s 





SI 4 



91 



103 



97 



123 



200 



625 



257 



9 



:^. 72 19 W. 



41 



N. 22* W. 



10 



637 





Winter 



SSfi 



11?, 



47 



49 



163 



216 



460 



286 



1 



M. 67 48 W. 



42* 



N. 18 W. 



13 



483 



























N. 84 38 W. 

 S. 86 37 W.' 



35 













Spring 



47 



36 



33 



46 



31 



73 



128 



50 





28 



S. 3 W. 



16 



184 



fl 



o ^ 



fi8 



?,5 



m 



43 



9 



15 



98 



41 





N. 46 14 W. 



.28* 



N. 47^ E. 



.09 



184 





o "^ 





3? 



16 



9 



2 



3 



22 



45 



9 





N. 57 W. 



.39 



N. 36* W. 



.09 



121 



S 



S o 



Winter 



7H 



22 



19 



17 



27 



41 



77 



39 





N. 59 32 W. 



.32 



N. 10^ W. 



.03 



146 



& 

 ^ 





The year^ 

 Spring 



185 



144 



179 



206 



1,52 



241 



655 



245 







N 62 56 W. 

 S. 89 12 W. 



.30i 



.28* 



S. 25'e. 



.13 



635 

 429 



a 



^9li 



98 



108 



153 



83 



95 



560 '218 







N. 62 14 W. 



.35 



N. 30 E. 



.06 



430 





34fi 



107 



112 



99 



126 



222 



670 266 



9 



N. 71 IS W. 



.41 



N. 69 W. 



.05 



637 



M .3 a 





41'^ 



134 



66 



66 



190 



257 



537 



325 



1 



N. 66 46 W. 



.41 



N. 37 W. 



.06 



483 



^ § 



The year3 





















N. 71 38 W. 



.36 







1979 







January 



12 



12 



10 



11 



7 



36 



82 



28 















93 





February 



11 



27 



16 



5 



15 



44 



61 



20 



3 















March 



April 



May 



June 



July 



August 



September 



October 



November 



December 



Spring 



8 

 12 



6 

 7 

 16 

 9 

 6 

 7 

 18 

 19 

 ?,6 



36 



6 



13 



27 

 4 

 14 

 16 

 38 

 28 

 38 

 55 



41 

 33 



49 

 35 

 33 

 62 

 60 

 48 

 35 

 38 

 123 



6 

 20 

 25 

 21 

 13 

 21 



14 

 6 



11 

 7 

 9 

 7 



11 

 7 







19 















93 





17 

 8 

 16 

 10 

 40 



55 

 75 















90 





31 



28 















93 

















90 



■a 



50 



12 















62 





42 



18 















93 





35 

 27 

 29 

 34 

 51 



18 

 38 

 21 

















120 





■V 1 



49 



58 













124 





'*^ 





63 















120 



j,^ 



3 



8 

 31 



66 

 45 



66 

 193 















124 







88 







I^. 72 25 W. 



.15 



N. 47 E. 



.02 



276 







32 



45 



130 



55 



23 



66 



128 



58 







S. 78 3 W. 



.02* 



S. 74 E. 



.13 



245 



o 





Autumn 



31 



82 



143 



91 



22 



SO 



201 



172 







N. 59 16 W. 



.16 



N. 22* E. 



.Ub 



364 



a 







42 



77 



64 



.-iO 



30 



146 



209 



108 







N. 88 58 W. 



.32 



S. 81 W. 



.16* 



302 



i 



'; 



The year^ 



Spring 



Summer 



"a 



(t 



30 



"6 



"(i 



5 



139 



13 





N. 78 34 W 

 N. 87 51 W 



!.16 



!.60 





.07 



1187 

 92 



S. 77 W. 



a 



° .,; 



3 



6 



21 



6 







3 



103 



6 





N. 86 20 W 



'.54 



S. 74 W. 



.01* 



92 





2 3 



Autumn 



.') 



4 



16 



3 



6 



11 



64 



8 





S. 87 33 W 



.48* 



S. 32 E. 



.07 



91 





-J o 



Winter 



44 



10 



13 



6 



10 



29 



103 



17 





N. 75 42 W 



.49* 



N. 33 E. 



.10 



90 





3 *' 



The year 

 Spriug 



55 

 29 



20 

 53 



80 

 153 



21 

 57 



16 

 31 



48 

 50 



409 

 332 



44 





N 85 40 W 



53 







365 



-J 



.T^ r 



101 





N. 81 1 W 



.26 



N. 80* W. 



.04* 



276 





° ^ 



Summer 



25 



51 



151 



61 



23 



69 



231 



64 





S. 84 49 W 



.14 



S. 54 E. 



.07* 



245 







Autumn 



36 



86 



159 94 



28 



91 



265 



ISO 





N. 69 2 W 



.19* 



N. 25* E. 



.04 



364 



.SI 1 



Winter 



86 87 



77 56 



40 



175 212 



125 





N. 82 27 W 



.29 



S. 79 W 



.02 



302 



^ ° [ The year» 













N. 81 8 W 



.20i 







1187 





' Camp Cook and Forts Benton and Shaw. 



2 F(U-ts Ellis and C. F. Smith. 



^ Computed from the resultants for the seasons. 





(Nos. 38 to 40.) Dacotah, north of latitude 45°. 



Observed at the following military posts, by U. S. Army Surgeons, viz.: — 



Place of observation. 



Aggregate length 

 of time. 



D.ate. 



Fort Abercrombie, 

 Fort Berthold, 

 Fort Buford,' 

 Fort Rausom, 

 Fort Rice, 

 Fort Stevenson, 

 Fort Wadsworth, 

 Fort Totteu, 



years, months. 

 8 10 

 1 8 

 3 2 

 1 1 

 1 4 



1 6 



2 4 

 5 



1856 to 1869 inclusive. 



1866, 1867 and 186*. 

 1866 to 1869 inclusive. 



December, 1868, to December, 1869, inclusive. 

 1868 and 1869. 



1867, 1868 and 1869. 

 1866, 1867 and 1869. 

 August to December, 1869. 



' Formerly Fort Union. J 



