condition mean min max 4 h after light 152.75045799999998 134.807321 170.693595 8 h after light 150.180787 145.246849 155.114725 12 h after light 134.30003 131.060311 137.539749 4 h after dark 146.43032699999998 145.031672 147.828982 8 h after dark 113.742256 107.416019 120.068493 12 h after dark 113.126428 113.126428 113.126428