condition mean min max 3 h after light 0.23848899999999998 0.0 0.715467 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.1166665 0.0 0.466666 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.796328 0.446296 1.14636