WHOLE VOL. 



EUROPE 



229 



WILNO (VILNA), POLAND 



Lat. 54°41' N. Long. 25° 15' E. Hb = 135.7 m. 



PRESSURE AT STATION LEVEL: COR. TO 0° C. (32° F.) AND TO 



GRAV. AT 45° LAT. 



Means of K7'' + 13"+21''), 30th meridian E. 



700 mm, + 



Date Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Mean 



1931 

 1932 

 1933 

 1934 

 1935 



1936 

 1937 

 1938 

 1939 

 1940 



Mean 



52 



1 50 

 46 



49.2 



47.1 

 46.5 

 48.7 



45 



48.0 

 43.7 

 49.9 



56.3 45 

 53.0 55 

 49.5 51 



TEMPERATURE IN DEGREES C. ht 

 Means of K7" + 13''+21''+21'') 



130 m. 



Mean 



-5.0 —4.6 —0.4 



5.8 14.4 16.7 18.7 16.9 12.7 



7.4 



1.6 



-3.2 



*6.8 



TOTAL PRECIPITATION IN MILLIMETERS, hr — 1 m. 



Mean 26 39 30 44 47 61 



* Mean of 12 monthly means. 



106 92 61 66 34 



t Sum of 12 monthly means. 



89 t646 



