WHOLE \0L. 



LAT. 50 N. 



531 



SEA-LEVEL PRESSURE AT 10° INTERSECTIONS 



Lat. 50° N. Long. 150° W. 



950 mb. + 



Mean 58.0 56.9 59.8 60.4 61.5 62.9 69.3 70.0 64.5 56.2 57.8 52.4 



60.8 



Mean 60.4 60.1 60.9 61.4 65.1 64.3 69.3 69.8 66.4 60.5 60.5 54.6 62.8 



Mean 62.4 63.0 63.2 64.1 66.7 65.6 



67.9 66.2 64.7 65.0 59.2 



64.7 



