condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0623765 0.0 0.124753 12 h after light 0.0608935 0.0 0.121787 2 h after dark 0.062419 0.0 0.124838 4 h after dark 0.356249 0.349637 0.362861 8 h after dark 0.202152 0.131527 0.272777 12 h after dark 0.062242 0.0 0.124484