condition	mean	min	max
4 h after light	3.23518	3.09065	3.37971
8 h after light	3.6791099999999997	3.64253	3.71569
12 h after light	4.93068	4.80474	5.05662
4 h after dark	4.47004	4.41371	4.56392
8 h after dark	5.68401	5.5659	5.82251
12 h after dark	4.242683333333333	3.81395	4.55756