condition mean min max 3 h after light 56.2629 49.6091 60.8173 6 h after light 66.47353333333334 53.396 76.28 9 h after light 72.91683333333333 68.1011 81.2435 12 h after light 68.85865 57.9428 80.3351 3 h after dark 73.7979 70.4655 78.3666 6 h after dark 57.8048 56.5162 59.7233 9 h after dark 52.1581 49.9912 55.3188 12 h after dark 56.2307 52.6577 59.8037