condition	mean	min	max
4 h after light	3.1	3.1	3.1
8 h after light	32.05	28.1	36.0
12 h after light	56.7	45.7	67.7
4 h after dark	38.2	37.0	39.4
8 h after dark	17.55	5.1	30.0
12 h after dark	25.75	20.4	31.1