condition mean min max 3 h after light 0.079122 0.0 0.13721 6 h after light 0.0280924 0.0 0.0842772 9 h after light 0.11728053333333333 0.0897895 0.162742 12 h after light 0.28282897500000004 0.0831559 0.467376 3 h after dark 0.328221 0.0 0.7784 6 h after dark 0.3678578 0.0890994 0.719328 9 h after dark 0.1898886 0.075766 0.399974 12 h after dark 0.153203 0.0 0.306406