condition mean min max 3 h after light 39.696666666666665 35.0081 44.4035 6 h after light 37.28456666666666 33.0423 42.373 9 h after light 40.3865 39.1857 41.9297 12 h after light 49.59155 37.1499 78.7577 3 h after dark 57.8278 49.979 64.5614 6 h after dark 77.39793333333333 72.9336 82.557 9 h after dark 81.42493333333333 74.6686 89.1434 12 h after dark 89.35329999999999 81.0051 97.7015