condition mean min max 0 h after light 1.787805 1.5493 2.02631 4 h after light 1.284295 0.70161 1.86698 8 h after light 2.7874800000000004 2.63981 2.93515 4 h after dark 4.573095 4.20096 4.94523 8 h after dark 3.3377749999999997 2.5218 4.15375 12 h after dark 1.890535 1.80509 1.97598