WHOLE VOL. 



EUROPE 



233 



WILNO (VILNA), POLAND 



Lat. 54° 41' N. Long. 25° 15' E. H = 128 m, H b = 135.7 m 



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



GRAV. AT 45° LAT. 



Means of i(7 n + 13" + 21 h ), 30th meridian E. 



700 mm + 



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



55.6 51.3 50.9 



48.8 43.4 45.8 



49.9 54.9 47.8 

 45.6 48.3 45.7 



46.4 47.3 48.2 



53.5 46.8 49.1 



53.5 48.3 43.4 

 51.8 56.3 48.2 



58.6 50.8 46.8 

 55.1 45.1 48.0 



45.8 

 46.1 

 46.2 

 56.0 

 42.2 



48.1 

 53.4 

 51.3 

 61.1 



54.0 



49.2 

 47.5 

 48.0 

 50.0 

 47.2 



48.9 

 49.1 

 49.3 

 51.0 

 48.2 



M'ns 50.9 51.9 49.2 47.4 48.9 47.0 47.0 47.9 49.7 48.0 48.7 49.4 48.8 



TEMPERATURE IN DEGREES C. 



Means of i(7 h + 13 h + 21 h + 21 h ) 



M'ns 



5.0 — 5.9 —0.6 



13.2 14.9 17.8 16.0 11.8 



6.7 



1.7 —3.9 



6.0 



TOTAL PRECIPITATION IN MILLIMETERS 



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



54.8 36.1 35.3 



69.1 32.3 23.9 



53.7 103.5 106.0 



12.4 16.7 25.6 



49.8 47.1 43.7 



64.6 27.6 39.2 



54.5 76.7 91.2 



53.9 46.8 40.9 

 73.4 56.9 79.4 

 38.8 90.1 124.9 



49.9 591.9 



54.6 792.1 



32.7 629.3 



18.0 704.1 

 78.2 741.2 



49.5 597.8 



16.8 705.8 



41.1 669.4 

 45.0 555.9 



42.2 736.1 



M'ns 30.0 20.6 33.7 38.9 67.3 75.2 95.3 101.5 52.5 53.4 61.0 42.8 672.4 



