condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.19382533333333335 0.0 0.371557 9 h after light 0.052838666666666666 0.0 0.158516 12 h after light 0.056039 0.0 0.168117 3 h after dark 0.12934733333333334 0.0 0.388042 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