Illustrations - Chapter 2

Solar Intensity Based on Sun Angle
Only geometry of solar angle is considered
not thickness of atmospheric traverse

SOLAR ANGLE	RADIATION INTENSITY (% of when sun angle is 90^o)
90^o	100
80^o	98
74.5^o Cincinnati Max JUN 21 Click for Diagram	96.4
70^o	94
60^o	87
51^o Cincinnati Equinox MAR 21/SEP 22 Click for Diagram	77.7
50^o	77
45^o	71
40^o	64
30^o	50
27.5^o Cincinnati Min DEC 21 Click for Diagram	46.2
20^o	34
10^o	17
5^o	9
0^o	0