568 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 105 



SEA-LEVEL PRESSURE AT 10° INTERSECTIONS 



Lat. 20° N. Long, 120° W. 



950 mb. + 



Mean 



3.3 67.1 66.3 65.3 64.7 63.6 63.6 62.9 62.5 63.9 65.1 66.0 



64.8 



Uean 64.2 64.5 63.7 62.8 62.2 61.1 61.6 61.1 60.2 61.7 63.3 63.9 



62.5 



