condition	mean	min	max
4 h after light	491.0	491.0	491.0
8 h after light	515.9	458.7	573.1
12 h after light	489.15	449.0	529.3
4 h after dark	409.6	263.5	555.7
8 h after dark	348.7	209.5	487.9
12 h after dark	487.4	429.5	545.3