condition	mean	min	max
4 h after light	14.9	14.9	14.9
8 h after light	21.2	1.4	41.0
12 h after light	12.1	3.9	20.3
4 h after dark	22.5	18.4	26.6
8 h after dark	20.1	5.2	35.0
12 h after dark	54.45	50.1	58.8