condition	mean	min	max
4 h after light	13.2	13.2	13.2
8 h after light	18.0	4.8	31.2
12 h after light	8.4	2.5	14.3
4 h after dark	28.75	25.4	32.1
8 h after dark	34.2	20.5	47.9
12 h after dark	18.4	3.4	33.4