condition	mean	min	max
4 h after light	463.9	463.9	463.9
8 h after light	516.55	500.5	532.6
12 h after light	541.65	457.2	626.1
4 h after dark	565.7	512.9	618.5
8 h after dark	561.85	515.0	608.7
12 h after dark	531.9	513.8	550.0