378 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 105 



WASHINGTON, D. C, UNITED STATES 



Lat. 38°54' N. Long. 77°3' W. Hb = 112 ft. 



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



GRAV. AT 45° LAT. 



Means of i(8''+20''), 75th meridian W. 

 29 inches + 



TEMPERATURE IN DEGREES F. ht = 62 ft. 

 Means of ^ (daily Max. + daily Min.), corrected to 24 hours 



YUMA, UNITED STATES 



Lat. 32°45' N. Long. 114°36' W. 

 TOTAL PRECIPITATION IN INCHES, hr = 2 ft. 



