condition mean min max 4 h after light 0.6263035 0.46133 0.791277 8 h after light 0.7063429999999999 0.681574 0.731112 12 h after light 2.2500400000000003 2.02348 2.4766 4 h after dark 3.882696666666667 3.56424 4.25046 8 h after dark 2.1020133333333333 2.08076 2.13256 12 h after dark 1.1658066666666667 1.08103 1.22315