WHOLE VOL. NORTH AMERICA 87 1 



MARQUETTE, UNITED STATES 



Lat. 46° 34' N. Long. 87° 24' W. Hb = 734 ft. 



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



Means of two ob.servations daily cor. to mean of 24 hours 



29 inches + 



