The curves on this figure show diurnal insolation for a mid-latitude location in the southern hemisphere. The curves for the June solstice, December solstice, and equinoxes are labeled as _________, respectively.
A)1, 2, 3
B)3, 2, 1
C)3, 1, 2
D)1, 3, 2

Question

The curves on this figure show diurnal insolation for a mid-latitude location in the southern hemisphere. The curves for the June solstice, December solstice, and equinoxes are labeled as _________, respectively. 
A)1, 2, 3 
B)3, 2, 1 
C)3, 1, 2 
D)1, 3, 2

Quizplus · Accepted Answer

The equinoxes occur around March 21st and September 23rd and the solstices occur around June 21st and December 22nd (in the southern hemisphere). Therefore, the June solstice curve would be labeled as 3, the December solstice curve would be labeled as 1, and the equinoxes curve would be labeled as 2. The correct order is 3, 1, 2 which is given in choice C.

The Curves on This Figure Show Diurnal Insolation for a Mid-Latitude