condition	mean	min	max
4 h after light	1.0	1.0	1.0
8 h after light	25.2	18.0	32.4
12 h after light	31.6	31.1	32.1
4 h after dark	26.1	21.7	30.5
8 h after dark	33.15	27.0	39.3
12 h after dark	29.5	18.4	40.6