APPENDIX TO COUNTEK-CASE OF GREAT BRITAIN. 



523 



Annals of the Physical Observatory, St. Peterslurgh — Continued. 

 CLOUDINESS EXPRESSED IN PERCENTAGE. 



Tear. 



1881 

 18S2 

 1883 

 1884 

 1885 

 1886 

 1887 

 1888 

 1889 

 1890 



May. 



60 

 75 

 59 

 58 

 71 

 69 

 75 

 82 

 70 

 81 



71 



June. 



78 

 64 

 63 

 6G 

 69 

 80 

 79 

 71) 

 66 

 91 



73 



July. 



84 

 65 

 57 

 86 

 74 

 76 

 77 

 88 

 62 

 67 



74 



August. 



69 



48 

 59 

 67 

 76 

 81 

 72 

 77 

 81 

 79 



71 



Septem- 

 ber. 



61 



52 

 65 

 47 

 65 

 72 

 82 

 66 

 89 

 80 



68 



October. 



74 

 67 

 55 

 75 

 68 

 70 

 66 

 76 

 92 

 70 



71 



Novem- 

 ber. 



84 

 82 

 76 

 80 

 75 

 67 

 87 

 81 

 96 

 86 



81 



170 



AMOUNT OF PRECIPITATION. 



GREATEST AMOUNT OF RAIN IN ONE DAT. 



