condition	mean	min	max
0 h after light	18.155250000000002	18.0242	18.2863
4 h after light	12.411950000000001	11.5807	13.2432
8 h after light	10.64573	9.93336	11.3581
4 h after dark	15.254000000000001	13.9812	16.5268
8 h after dark	14.989650000000001	14.4726	15.5067
12 h after dark	16.29985	13.6826	18.9171