condition mean min max 3 h after light 36.57156666666666 35.7376 37.4451 6 h after light 42.37253333333334 34.6024 51.2128 9 h after light 47.905699999999996 45.3717 49.3165 12 h after light 57.7082 54.3554 63.5659 3 h after dark 76.58103333333334 67.8794 82.0292 6 h after dark 71.62286666666667 69.9753 73.5711 9 h after dark 55.3431 45.6019 65.472 12 h after dark 45.0532 34.3977 60.6568