condition	mean	min	max
4 h after light	19.6	19.6	19.6
8 h after light	29.7	20.1	39.3
12 h after light	38.1	28.5	47.7
4 h after dark	17.9	10.4	25.4
8 h after dark	43.45	36.3	50.6
12 h after dark	39.5	21.9	57.1