condition	mean	min	max
4 h after light	2.7962350000000002	2.53852	3.05395
8 h after light	9.52567	9.35104	9.7003
12 h after light	16.46955	15.3618	17.5773
4 h after dark	13.333549999999999	12.7012	13.9659
8 h after dark	6.565875	5.92325	7.2085
12 h after dark	4.362155	4.28336	4.44095