condition	mean	min	max
4 h after light	811.8	811.8	811.8
8 h after light	672.15	529.8	814.5
12 h after light	550.35	516.5	584.2
4 h after dark	672.6	640.5	704.7
8 h after dark	745.8	617.4	874.2
12 h after dark	802.6	688.5	916.7