condition mean min max 0 h after light 5.514704999999999 4.62623 6.40318 2 h after light 4.54831 3.93252 5.1641 4 h after light 6.507805 5.83042 7.18519 8 h after light 8.513025 7.303 9.72305 12 h after light 8.892175 8.42984 9.35451 2 h after dark 7.67018 7.17561 8.16475 4 h after dark 7.555055 6.60609 8.50402 8 h after dark 7.366075 7.06181 7.67034 12 h after dark 6.546495 6.03835 7.05464