condition	mean	min	max
4 h after light	18.79645	17.820339999999998	20.467470000000002
8 h after light	14.617910666666667	6.136712	20.77113
12 h after light	10.101141	9.439098	11.28207
16 h after light	10.066341666666666	9.118851	11.74746
4 h after dark	28.68352	24.53921	32.77583
8 h after dark	18.966976666666667	14.59141	25.854770000000002