206 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 90 



GREENWICH, BRITISH EMPIRE 



Lat. 51° 28' N. Long. 0° 0'. H b = 48.5 m 



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



Means of 24 hours, Greenwich meridian 



29 inches + 



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



1921 .800 1.099 .873 



1922 .631 .724 .687 



1923 1.002 .433 .849 



1924 .778 .856 .701 



1925 1.054 .490 .974 



1926 .699 .676 .882 



1927 .630 .874 .560 



1928 .722 .910 .622 



1929 1.088 .901 1.151 



1930 .588 .895 .668 



M'ns .799 .786 .797 .689 .768 .840 .790 .765 



.817 .748 .722 



.764 



.774 



TEMPERATURE IN DEGREES F. 

 Means of hourly readings 



M'ns 41.3 40.4 43.2 46.7 53.7 58.5 63.3 61.3 57.5 51.1 43.4 40.8 50.1 

 TOTAL PRECIPITATION IN MILLIMETERS * 



