condition mean min max 4 h after light 0.18841 0.0 0.56523 8 h after light 0.2668336666666667 0.0 0.668343 12 h after light 0.0 0.0 0.0 4 h after dark 0.223903 0.0 0.363491 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0