condition	mean	min	max
4 h after light	53.0550115	34.281211	71.828812
8 h after light	47.0729105	34.281211	59.86461
12 h after light	40.6708985	38.768902	42.572895
4 h after dark	28.0631455	13.014915	43.111376
8 h after dark	23.091377	21.084292	25.098462
12 h after dark	16.742901	16.742901	16.742901