condition	mean	min	max
4 h after light	18.6	18.6	18.6
8 h after light	2.5	2.0	3.0
12 h after light	6.0	4.4	7.6
4 h after dark	24.45	2.1	46.8
8 h after dark	43.7	34.5	52.9
12 h after dark	9.799999999999999	3.9	15.7