condition mean min max 4 h after light 0.722136 0.499091 1.02841 8 h after light 0.38657833333333336 0.228185 0.614421 12 h after light 0.5607606666666667 0.528993 0.620748 4 h after dark 0.3805713333333333 0.275967 0.467457 8 h after dark 0.654817 0.349574 1.01668 12 h after dark 1.0481340000000001 0.866602 1.16374