condition	mean	min	max
4 h after light	443.3	443.3	443.3
8 h after light	492.75	458.8	526.7
12 h after light	512.3	508.4	516.2
4 h after dark	595.3	559.7	630.9
8 h after dark	530.65	499.5	561.8
12 h after dark	465.2	459.7	470.7