condition mean min max 4 h after light 4.552375 3.98954 5.11521 8 h after light 5.692015 5.57472 5.80931 12 h after light 5.583295 4.77888 6.38771 4 h after dark 6.932995 6.42821 7.43778 8 h after dark 5.208080000000001 4.86967 5.54649 12 h after dark 6.092815 5.81401 6.37162