condition	mean	min	max
4 h after light	4.863805	4.39836	5.32925
8 h after light	5.204315	5.03645	5.37218
12 h after light	4.722075	4.48343	4.96072
4 h after dark	7.1467	6.34123	7.95217
8 h after dark	6.522485	6.32244	6.72253
12 h after dark	5.960755000000001	5.69629	6.22522