condition mean min max 3 h after light 1.38168 1.16711 1.4923 6 h after light 0.99315 0.49292 1.43899 9 h after light 2.5743466666666666 2.02286 3.53998 12 h after light 5.687765 4.16664 8.0605 3 h after dark 8.31508 5.5282 11.8582 6 h after dark 8.09037 6.0761 9.41361 9 h after dark 6.4706133333333336 4.55728 8.65235 12 h after dark 4.12838 3.80855 4.44821