NO. lO SOLAR RADIATION AND WEATHER STUDIES ABBOT 8l 



JAN, MAY SEPT. JAN. MAY JAN. MAY SEPT. JAN. MAY 



Fig. 35. — Sample forecasts and verifications. Dotted curves are forecasts. 

 Grades of results : A, excellent ; B, fair ; C, half and half ; D, bad. Left, tem- 

 perature ; right, precipitation. 



