condition	mean	min	max
4 h after light	43.5	43.5	43.5
8 h after light	30.5	17.9	43.1
12 h after light	46.75	31.1	62.4
4 h after dark	21.0	20.2	21.8
8 h after dark	39.25	18.2	60.3
12 h after dark	25.75	25.5	26.0