condition mean min max 4 h after light 379.4856345 332.950292 426.020977 8 h after light 393.0919915 334.484622 451.699361 12 h after light 388.774674 366.320273 411.229075 4 h after dark 330.178445 293.933977 366.422913 8 h after dark 302.6926615 279.409462 325.975861 12 h after dark 279.609656 279.609656 279.609656