910 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 79 



PORTLAND, OREG., UNITED STATES 



Lat. 45° 32' N. Long. 122° 41' W. Ht == 153 ft. 



PRESSURE AT STATION: COR. TO 32° F. AND TO GRAV. AT 45° LAT. 



Means of two observations daily cor. to mean of 24 hours 



29 inches -\- 



M'ns .917 .912 .875 .905 .879 .882 .880 .859 .864 .910 .927 .929 .895 



