condition	mean	min	max
4 h after light	14.7	14.7	14.7
8 h after light	18.7	17.2	20.2
12 h after light	12.05	10.4	13.7
4 h after dark	32.95	22.3	43.6
8 h after dark	24.55	6.9	42.2
12 h after dark	24.7	15.9	33.5