condition mean min max 4 h after light 2.99986 2.68998 3.30974 8 h after light 8.15133 7.46816 8.8345 12 h after light 12.882249999999999 11.6749 14.0896 4 h after dark 13.4832 13.2146 13.7518 8 h after dark 10.343565 9.80893 10.8782 12 h after dark 5.85122 5.72372 5.97872