SERIES B. ZONE 1. LAT. 55° TO 60° N. 



143 



Addendum to Zone No. 7. 



Observations at Sand wick Manse, Orkney Islands, from 1863 to 1868, 6 years, witli a self-register- 

 ing anemometer. Calculated in the Weather Reports of the London Meteorological Office, year 

 1871, Part I. 





Sh 



gw 



sm 



Sta" 



g^' 



g^ 



c^ 



g^ 







J 









g^' 



&■»*. 



|ai 



%^ 



l»3 



&■*! 



gei 







Mean 



°- 



Total 







■S-a 



"SW 



■s-a 



■Sh 



■£jii 



■gfe 



+-=a 



1^ 



direction. 



+2 m 



number of 







«^ 



"fe- 



«w 



M - 



P5 • 



«^- 



«^- 



«S 







M^ 



miles. 





34(u). Sandwich Mause, 



number of hours. 





















.January 



425 



237 



434 



959 



645 



903 



330 



353 













February 



246 



197 



428 



671 



452 



1072 



498 



301 













March 



450 



305 



692 



718 



420 



754 



415 



471 













April 



370 



266 



766 



710 



630 



782 



347 



399 













May 



377 



465 



987 



564 



295 



652 



440 



359 













June 



141 



179 



850 



376 



404 



1168 



607 



257 













July 



374 



286 



477 



437 



349 



936 



782 



733 













August 



354 



218 



734 



581 



448 



974 



587 



394 













September 



264 



236 



438 



851 



548 



1031 



584 



210 













October 



258 



259 



688 



712 



456 



868 



466 



448 













November 



315 



155 



417 



702 



369 



914 



700 



638 













December 



137 



140 



440 



924 



617 



899 



684 



382 













The year 



3711 



2943 



7351 



8205 



5533 



10953 



6441 



4945 



S. 



14 W. 



20 







Number of miles. 





January 



5227.5 



2884 



7638.4 



17166.1 



10384.5 



24561.6 



7755 



7907.2 



s. 



52° W. 



.38 



83424.3 





February 



2952 



2206.4 



6462.8 



5502.2 



7596.4 



27764.8 



13157.2 



7163.8 



s. 



69 W. 



.48 



72805.6 





March 



6026 



3477 



13632.4 



12493.2 



5628 



14099.8 



8902.4 



11401.9 



s. 



32 W. 



.14 



75640.7 





April 



3885 



3777.2 



14094.4 



10792 



7314 



14072 



6315.4 



5304.2 



s. 



11 W. 



.24 



65534.2 





May 



4410.9 



6231 



14902.4 



7896 



3215.5 



9584.4 



5544 



4927 



s. 



45 E. 



.21 



56711.2 





June 



1057.5 



1897.4 



13380 



4812.3 



4605.6 



22903.2 



7708.9 



2852.7 



s. 



44 W. 



.29 



59218.1 





July 



4151.4 



2717 



6448.7 



5244 



2961.2 



14133.6 



9227.6 



8402.8 



N 



77 W. 



.25 



53386.3 





August 



3379.2 



1809.4 



10569.6 



7088.2 



4231.2 



12467.2 



7396.2 



4649.2 



s. 



42 W. 



.21 



51688.2 





September 



2402.4 



2528.8 



6000.6 



11063 



5425.2 



14330.9 



8655.2 



3751 



s. 



46 W. 



.35 



54157.5 





October 



1856.6 



1937.5 



11764.8 



11036 



4139.6 



13540.8 



9366.6 



3180.8 



s. 



40 W. 



.21 



56822.8 





November 



3622.5 



1984 



7506 



12776-4 



3985.2 



19651 



14560 



10144.2 



s. 



78 W. 



.32 



72225.2 





December 



1671.4 



1316 



7656 



15615.6 



10008.2 



21468.1 



17305.2 



8174.8 



s. 



63 W. 



.45 



82215.3 





The year 



40640.4 



32765.7 



120056.1 



121484.7 



69494.6 



208577.4 



115893.7 



77889.6 



s. 



53 W. 



.27 



783829.4 





Mean velocity, miles per 



liour. 























January 



12.3 



12.0 



17.6 



17.9 



16.1 



27.2 



23.5 



22.4 













February 



12.0 



11.2 



15.1 



18.2 



15.7 



25.9 



26.4 



23.8 













March 



13.1 



11.4 



19.7 



17.4 



13.4 



18.7 



21.2 



18.9 













April 



15.0 



14.2 



18.4 



15.2 



13.8 



18.0 



18.2 



15.8 













May 



11.7 



13.4 



15.2 



14.0 



10.9 



14.7 



12.6 



13.0 













June 



7-5 



10.6 



14.8 



12.8 



11.4 



14.9 



12.7 



11. 1 













July 



11. 1 



9.5 



13.1 



12.0 



8.3 



15.1 



11.8 



11.6 













August 



9.8 



8.3 



14.4 



12.2 



9.4 



12.3 



12.6 



n.s 













September 



9.1 



10.8 



13.7 



l.S.o 



9.9 



13.9 



14.8 



13.1 













October 



7.2 



7.5 



17.1 



15.5 



9.1 



15.6 



20.1 



17.1 













November 



11.5 



12.8 



18.0 



18.2 



10.8 



21-5 



20.8 



15.2 













December 



12.2 



9.4 



17.4 



16.9 



14.6 



23.9 



25.3 



21.4 













The year 



10.9 



ll.i 



16.3 



14.9 



12.6 



18.3 



18.0 



15.7 













