condition mean min max 4 h after light 0.638818 0.0 1.13087 8 h after light 0.339679 0.122107 0.562967 12 h after light 0.28168743333333335 0.0259303 0.493346 4 h after dark 0.508065 0.20412 0.865408 8 h after dark 1.1556256666666667 0.832654 1.68884 12 h after dark 1.52183 1.44222 1.59868