condition mean min max 0 h after light 38.6148 34.4982 42.7314 2 h after light 7.537115 6.55799 8.51624 4 h after light 6.172174999999999 6.00951 6.33484 8 h after light 12.10405 11.6526 12.5555 12 h after light 21.0973 18.4722 23.7224 2 h after dark 27.98955 25.7045 30.2746 4 h after dark 33.6232 33.4569 33.7895 8 h after dark 51.28305 50.607 51.9591 12 h after dark 44.08825 43.4802 44.6963