NO. 6 SOLAR RADIATION AND WEATHER CLAYTON 9 



Increase of SOLAR RAD. from below 1.951 to above 1.960 



PresBure 3 days later Winter half year 



Pressure 4 days later Winter half year 



Pressure 5 days later Winter half year 



in MO lot 



Fig. 6. — Mean pressure differences resulting from an increase in 

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

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



