condition	mean	min	max
4 h after light	33.3	33.3	33.3
8 h after light	52.0	43.2	60.8
12 h after light	39.0	31.5	46.5
4 h after dark	19.55	19.5	19.6
8 h after dark	35.2	12.0	58.4
12 h after dark	46.0	42.3	49.7