condition mean min max 0 h after light 5.316905 4.73082 5.90299 4 h after light 6.32467 4.2103 8.43904 8 h after light 6.195405 4.50667 7.88414 4 h after dark 9.58076 7.56652 11.595 8 h after dark 3.5065999999999997 2.61617 4.39703 12 h after dark 6.98098 5.60031 8.36165