condition	mean	min	max
4 h after light	21.5156	20.6714	22.3598
8 h after light	19.920749999999998	19.7672	20.0743
12 h after light	15.5124	15.2543	15.7705
4 h after dark	21.146266666666666	19.0169	22.259
8 h after dark	25.491666666666667	24.1255	27.4405
12 h after dark	22.1729	21.5899	22.801