condition	mean	min	max
4 h after light	13.868400000000001	12.3728	15.364
8 h after light	10.6526	10.0343	11.2709
12 h after light	15.3353	15.2935	15.3771
4 h after dark	19.8054	19.3706	20.4051
8 h after dark	26.4774	26.2156	26.8015
12 h after dark	22.90833333333333	22.3693	23.7425