condition	mean	min	max
4 h after light	13.4544535	12.732597	14.17631
8 h after light	16.380060999999998	16.006693	16.753429
12 h after light	14.642477	13.887436	15.397518
4 h after dark	18.683673499999998	17.543588	19.823759
8 h after dark	19.226411	16.511378	21.941444
12 h after dark	15.689799	15.689799	15.689799