condition	mean	min	max
0 h after light	15.6801	15.5153	15.8449
4 h after light	19.1044	18.6884	19.5204
8 h after light	16.37425	15.7116	17.0369
4 h after dark	16.498199999999997	16.0079	16.9885
8 h after dark	17.827150000000003	17.7235	17.9308
12 h after dark	15.694049999999999	15.264	16.1241