condition mean min max 4 h after light 316.73442550000004 223.782305 409.686546 8 h after light 375.42846299999997 373.559286 377.29764 12 h after light 297.788508 231.613836 363.96318 4 h after dark 1040.591721 799.882782 1281.30066 8 h after dark 513.738048 312.188373 715.287723 12 h after dark 620.770518 620.770518 620.770518