condition	mean	min	max
0 h after light	7.173109999999999	7.09308	7.25314
4 h after light	20.356650000000002	19.0699	21.6434
8 h after light	13.868300000000001	13.4975	14.2391
4 h after dark	7.136915	6.8111	7.46273
8 h after dark	10.2472	10.1194	10.375
12 h after dark	9.18524	6.89848	11.472