condition	mean	min	max
4 h after light	2.8	2.8	2.8
8 h after light	15.75	10.0	21.5
12 h after light	20.4	9.7	31.1
4 h after dark	35.5	17.2	53.8
8 h after dark	33.6	5.9	61.3
12 h after dark	8.75	8.5	9.0