condition	mean	min	max
4 h after light	84.2	84.2	84.2
8 h after light	72.95	69.0	76.9
12 h after light	60.2	58.2	62.2
4 h after dark	46.8	26.9	66.7
8 h after dark	29.85	21.2	38.5
12 h after dark	49.1	17.0	81.2