condition mean min max 3 h after light 0.28321433333333335 0.0 0.849643 6 h after light 0.433936 0.0 0.668522 9 h after light 0.0 0.0 0.0 12 h after light 0.6516986666666666 0.0 1.44792 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 0.0 0.0 0.0