condition	mean	min	max
4 h after light	13.4899355	13.22983	13.750041
8 h after light	15.161394000000001	13.596585	16.726203
12 h after light	15.842797000000001	12.13895	19.546644
4 h after dark	11.539033	10.787339	12.290727
8 h after dark	9.8504745	9.214785	10.486164
12 h after dark	17.704474	17.704474	17.704474