2l6 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 90 



FRANKFURT AM MAIN, 



Lat. 50° 7' N. Long. 8° 40' E. 



GERMANY 



H b = 103.2 m 



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

 GRAV. AT 45° LAT. 

 Means of i(7 n + 14 n + 21' 1 ), 15th meridian E. 

 700 mm + 



F.) AND TO 



TEMPERATURE IN DEGREES C. H = 98 m, h t = 27 m * 



Means of i(7 h + 14" + 21 h + 21 h ) 



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



1921 5.6 



1922 —0.4 



1923 2.7 



1924 —2.1 



1925 3.6 



1926 

 1927 

 1928 

 1929 

 1930 



M'ns 



1.9 

 3.4 

 3.6 

 -3.2 

 3.3 



1.8 



3.4 



0.8 



3.8 



—0.3 



5.4 



7.4 

 3.3 

 4.8 

 — 7.5 

 2.3 



2.3 



7.6 



5.3 

 7.5 

 4.8 

 3.3 



6.3 

 7.6 

 5.5 

 5.1 

 6.8 



6.0 



10.1 



7.0 



9.0 



8.7 



10.2 



11.8 

 9.6 

 9.5 

 7.1 



10.7 



15.8 

 16.] 

 13.0 

 15.8 

 15.8 



12.4 

 13.8 

 12.2 

 15.4 

 13.8 



17.1 



18.0 

 12.9 

 16.9 

 17.2 



15.4 

 16.0 

 16.1 

 16.8 

 20.1 



21.5 

 17.:; 

 20.7 

 18.3 

 19.5 



19.0 

 18.4 

 20.5 

 19.6 



17.8 



19.0 

 17.1 

 17.8 

 15.2 

 17.9 



17.6 

 17.8 

 17.9 

 19.1 

 17.5 



16.0 

 12.7 

 14.8 

 14.7 

 12.0 



16.4 

 15.0 

 14.2 



17.5 

 14.6 



13.2 

 0.5 

 11.2 

 10.6 

 10.1 



9.4 

 9.9 

 9.9 

 11.0 

 9.9 



9.4 14.4 16.6 19.3 17.7 14.8 10.2 



0.7 

 4.1 

 3.9 

 3.9 

 3.2' 



7.2 

 4.2 



7.2 

 5.3 



7.8 



4.8 



1.5 

 3.1 

 0.6 

 2.3 



0.9 



1.4 

 -0.9 

 1.1 

 5.4 

 1.9 



1.7 



11.0 

 9 

 9.8 

 9.1 

 9.9 



10.5 

 9.8 



10.2 

 9.3 



10.6 



9.9 



TOTAL PRECIPITATION IN MILLIMETERS 



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



1921 

 1922 

 1923 

 1924 

 1925 



1926 

 1927 

 1928 

 1929 

 1930 



68.5 

 52.3 

 40.2 

 32.8 

 40.6 



59.1 

 50.1 

 49.9 

 30.4 

 33.6 



12.4 

 43.2 

 54.2 

 29.3 

 33.7 



60.5 

 48.5 

 64.0 

 28.7 

 34.8 



19.0 

 50.1 

 26.8 

 29.8 

 24.7 



21.7 

 57.2 

 36.1 

 3.3 

 46.2 



M'ns 45.8 40.9 31.5 



4.9 



101.4 



18.1 



58.8 



42.9 



31.9 

 51.6 

 101.3 

 23.6 

 45.2 



64.3 

 22.6 

 113.5 

 69.8 

 24.3 



71.6 

 28.9 

 31.3 

 18.7 

 75.6 



30.4 

 47.6 

 53.5 

 125.3 

 27.4 



97.2 

 75.7 

 46.7 

 68.4 

 134.7 



1.0 

 59.2 

 52.5 

 87.3 

 66.5 



50.6 

 50.0 

 26.4 

 66.2 

 122.1 



68.1 

 213.5 



44.5 

 146.5 



72.4 



33.5 

 110.3 

 83.2 

 15.9 

 92.7 



109.2 

 62.6 

 73.8 

 82.1 



14.2 

 74.5 

 23.2 

 22.4 

 53.5 



48.0 52.1 70.7 58.2 88.1 52.4 

 * From Apr. 1, 1927, H = 103 m, h t = 2 m. 



20.1 



50.8 



169.0 



33.9 



48.7 



78. 7 

 19.3 

 89.9 

 92.5 

 92.8 



28.0 

 72.9 

 70.6 

 82.8 

 61.1 



56.1 

 79.3 



103.1 

 52.9 



112.2 



34.2 

 67.1 

 61.3 

 17.5 

 89.3 



24.5 

 41.1 

 59.8 

 82.8 

 40.5 



359.7 

 889.9 

 766.8 

 787.6 

 613.7 



599.6 

 686.5 

 714.9 

 505.8 

 883.9 



69.6 71.9 51.8 680.8 



