condition	mean	min	max
4 h after light	17.2	17.2	17.2
8 h after light	24.2	19.7	28.7
12 h after light	48.099999999999994	46.9	49.3
4 h after dark	39.5	32.2	46.8
8 h after dark	36.45	20.7	52.2
12 h after dark	8.6	8.1	9.1