condition mean min max 3 h after light 0.054816333333333335 0.0 0.164449 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.1024015 0.0 0.409606 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.10281266666666666 0.0 0.308438 12 h after dark 0.447411 0.391727 0.503095