condition	mean	min	max
4 h after light	15.77338	15.208026	16.338734
8 h after light	13.403286000000001	13.057816	13.748756
12 h after light	13.058832500000001	10.312245	15.80542
4 h after dark	14.193318	13.961575	14.425061
8 h after dark	11.511426	9.731335	13.291517
12 h after dark	25.242698	25.242698	25.242698