condition mean min max 1 h after light 0.513474663 0.513474663 0.513474663 3 h after light 0.918764744 0.6201847420000001 1.217344746 5 h after light 2.476675647 0.762564094 4.1907872 7 h after light 5.526260450500001 3.918623011 7.13389789 9 h after light 10.1162270335 5.765653717 14.46680035 11 h after light 20.016613059999997 13.00374811 27.02947801 1 h after dark 29.386598624999998 27.43874139 31.33445586 3 h after dark 35.09778715 30.06605264 40.12952166 5 h after dark 29.7505876 28.74607759 30.75509761 7 h after dark 28.538757865 26.97821533 30.099300399999997 9 h after dark 27.923025155 24.73502832 31.11102199 11 h after dark 31.171964205000002 30.70789835 31.63603006