condition	mean	min	max
4 h after light	31.7	31.7	31.7
8 h after light	6.15	6.0	6.3
12 h after light	27.3	11.6	43.0
4 h after dark	58.95	47.5	70.4
8 h after dark	19.35	6.1	32.6
12 h after dark	12.5	6.9	18.1