condition mean min max 4 h after light 8.635026666666667 4.96013 11.6954 8 h after light 5.36045 3.40238 7.37455 12 h after light 6.37957 4.6977 7.92611 4 h after dark 12.7634 8.7744 15.0637 8 h after dark 9.553203333333332 7.94831 10.5747 12 h after dark 8.020006666666667 6.85037 8.73437