condition	mean	min	max
4 h after light	4.8	4.8	4.8
8 h after light	23.9	5.8	42.0
12 h after light	33.05	27.9	38.2
4 h after dark	13.9	3.2	24.6
8 h after dark	21.35	16.2	26.5
12 h after dark	43.0	32.7	53.3