condition	mean	min	max
4 h after light	13.3181	11.383	15.2532
8 h after light	12.727599999999999	12.5589	12.8963
12 h after light	13.89935	13.5146	14.2841
4 h after dark	21.7801	21.4124	22.1478
8 h after dark	18.47805	17.3967	19.5594
12 h after dark	17.35545	16.6137	18.0972