condition mean min max 3 h after light 1.6743733333333333 1.65802 1.68564 6 h after light 3.44363 2.56568 4.2511 9 h after light 4.480266666666666 3.84661 5.41569 12 h after light 4.80185 1.65398 6.3721 3 h after dark 3.80983 3.3927 4.56535 6 h after dark 2.99744 2.82235 3.33991 9 h after dark 1.7965833333333332 1.29337 2.26049 12 h after dark 1.337835 1.09388 1.58179