WHOLE VOL. 



NORTH AMERICA 



911 



POETLAND, OREG., UNITED STATES 



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



TEMPERATURE IN DEGREP:S F. 



Means of i(daily Max. + daily Min.) 



M'ns 38,9 41.5 46.3 51,2 56,6 61,4 66,6 66,4 60,9 53.6 45.9 41.0 52.5 



