condition	mean	min	max
4 h after light	47.74185	44.3304	51.1533
8 h after light	13.36435	12.9115	13.8172
12 h after light	3.011495	2.43543	3.58756
4 h after dark	4.281603333333333	4.03568	4.42955
8 h after dark	8.283	7.09554	8.95479
12 h after dark	35.2543	34.0826	36.2835