2l6 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 105 



FRANKFURT AM MAIN, GERMANY 



Lat. 50°7' N. Long. 8°40' E. H = 103 m. 



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



GRAV. AT 45° LAT. 



Means of J (7" + 14" +21"), 15th meridian E. 



700 mm. + 



Mean 54.6 52.2 50.9 49.3 51.3 52.1 52.2 52.9 53.2 52.2 52.6 53.7 *62.8 



Mean 



TEMPERATURE IN DEGREES C. ht 

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



2 m. 



2.5 



5.7 



9.6 



14.4 17.9 19.2 18.7 15.0 



9.6 



1.4 *10.0 



'total PRECIPITATION IN MILLIMETERS. hr = 1.0 m. 



Mean 69 



38 



32 



56 



54 



Mean of 12 monthly means. 



64 



94 



62 



61 



39 



t Sura of 12 monthly means. 



38 



t684 



