U4 



WINDS OF THE GLOBE. 



Addendum to Zone No. 7. — Continued. 

 10.3(a). Observations at the Central Physical Observatory of St. Petersburg, Russia, with a self- 

 registering anemometer of Adie. Year 1871. Published iu the "Anualeu des Physikalischen 

 Observatoriums," ISTI. 



















Total 



N. 



N. E. 



E. 



S. E. 



S. 



S. W. 



w. 



N. W. 



number 

 of kilo- 

 meters. 



«■ 



Number of kilometers. 



January 



332.4 



843.2 



452.2 



3952.5 



1449.5 



847.2 



2377.3 



702.4 



10955 



February 



182.8 



887.3 



311.4 



1021.4 



95^4 



218.0 



2866.6 



776.9 



7214 



March 



160.S 



701.1 



110.3 



3058.2 



1891.5 



4272.1 



3735.3 



1672.6 



15601 



April 



315.3 



1133.8 



763.9 



2171.0 



2143.5 



2104.O 



3465.5 



805.5 



12902 



Mav 



772.0 



2527.0 



843.4 



433.6 



606.2 



303.4 



2299.2 



1830.1 



9614 



.June 



175.2 



3696.1 



1034.6 



1584.6 



1019.7 



373.4 



1389.7 



1118.2 



10392 



July 



139.0 



391.7 



605.2 



2094.1 



1200.O 



1190.7 



4487.8 



2029.7 



12139 



August 



542.4 



75.0 



63.9 



1324.0 



1098.4 



2799.3 



3847.2 



3761.4 



13510 



.September 



1353.S 



1500.7 



267.6 



3284.6 



664.6 



1336.8 



1168.7 



2856.5 



12436 



October 



239.9 



93.5 



407.6 



1338.3 



767.2 



4470.O 



1809.4 



2838.6 



11965 



November 



620.9 



179.4 



98.2 



1940.2 



2611.8 



2580.8 



332.1 



3154.5 



11518 



December 



430.2 



833.7 



75.7 



815.0 



2316.2 



3806.2 



3966.8 



3439.6 



15684 



The year 



5264 



12863 



5034 



23018 



16718 



24301 



31745 



24987 



143930 



6= 

 S. 76 

 S. 44 

 34 

 N.17 

 N.63 

 S. 69 

 S. 84 

 N.43 

 S. 65 

 S. 44 

 S. 74 

 S. 63 



14'E. 

 17 W. 

 39 W. 



49 W. 

 43 W. 

 13 E. 

 13 W. 

 10 W. 



50 W. .06 

 16 W.' .51 

 37 W. .34 

 56 W. .52 

 22 W. .28 



Mean velocity, kilometers per hour. 



January 



6.0 



7.8 



13.7 



22.8 



16 



q 



14.4 



19.8 



6.4 





February 



6.4 



6.2 



7.6 



11.7 



16 



I 



9.1 



14.7 



8.7 





March 



10.7 



12.1 



13.8 



26.8 



19 



2 



23.7 



17.7 



27.9 





April 



14.3 



14.0 



13.4 



24.4 



19 



s 



17.0 



19.1 



14.4 





May 



14.3 



ll.o 



14.5 



11.4 



12 



t) 



11.7 



16.8 



11.8 





June 



10.3 



12.9 



12.5 



18.2 



21 



7 



14.9 



13.9 



14.9 





July 



12.6 



11.2 



14.1 



15.2 



16 



2 



13.2 



19.1 



18.1 





August 



14.3 



10.7 



10.6 



14.5 



16 



2 



20.4 



19.4 



19.0 





September 



1G.3 



12.4 



13.4 



24.2 



16 



6 



16.5 



I6.7 



16.8 





October 



11.4 



8.5 



22.6 



20.9 



10 



=; 



16.4 



14.9 



17.4 





November 



12.9 



6.9 



5.8 



I6.3 



13 



4 



17.6 



18.4 



21. 





December 



13.9 



I6.7 



12.6 



20.9 



19 



-\ 



23.1 



26.1 



19.0 





The year 



12.3 



11.2 



12.9 



19.6 



16 



3 



I8.3 



17.7 



16.8 





Number of kilometers iu the different hours of the day. Summer. 

 Morning hours. 





0-1 



1-2 



2-3 



3-4 



4-6 



5-6 



6-7 



7-8 



8-9 



9-10 



10-11 



11-12 



Aggregate 

 W. 



1403 



289 



1384 



268 



1331 

 200 



1338 

 225 



1340 

 190 



1341 



201 



1362 

 255 



1426 

 272 



1470 

 339 



1550 

 479 



1567 

 668 



1568 

 501 



Evening hours. 1 





12-1 



1-2 



2-3 



3^ 



4-5 



5-6 



6-7 



7-8 



8-9 



9-10 



10-11 



11-12 



Aggregate 

 W. 



1771 

 594 



1703 

 606 



1762 

 679 



1810 

 661 



1776 

 656 



1644 

 536 



1526 

 464 



1438 

 409 



1380 



412 



1366 



302 



1374 



294 



1395 

 323 



