condition	mean	min	max
0 h after light	13.3185	12.9328	13.7042
4 h after light	20.377200000000002	17.077	23.6774
8 h after light	19.48545	18.0121	20.9588
4 h after dark	21.539099999999998	17.8157	25.2625
8 h after dark	20.17865	18.1476	22.2097
12 h after dark	16.23335	16.2024	16.2643