NO. 6 SOLAR RADIATION AND WEATHER CLAYTON IT, 



Increase of SOLAR RAD. from below 1.921 to above 1,960 



Pressure g days later Sunmer half year 



Pressure 4 days later Sunmer half year 



i TO 



Pressure 5 days later Summer half year 



Fig. 8. — Mean pressure differences resulting from an increase in 

 solar radiation from below 1.931 to above 1.960, 3 to 5 days later, 

 summer half-year. Units in hundredths of an inch. 



