SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. yy 



Solar Radiation- above l,980(2?a above normal) 

 Pressure 1 day later Winter half year 



-L I I L 



MO lOi 



Solar Radiation 1.961-70 ( 1% above normal] 

 Pressure 1 day later Winter half year 



Soleo: Radiation 1.951-60 (o.5% above normal) 

 Pressure 1 day later Winter half year 



Fig. II. — Mean pressure deviations from normal following dif- 

 ferent intensities of solar radiation in steps above 1.950, winter 

 half-year. Units in hundredths of an inch. One day later. 



