condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.635569 0.0 0.975067 9 h after light 1.6934346666666666 0.899514 2.19564 12 h after light 1.6453950000000002 0.0 2.65478 3 h after dark 1.6181266666666667 1.14012 2.28013 6 h after dark 1.4642853333333334 0.0 3.40791 9 h after dark 2.16621 1.0383 2.94767 12 h after dark 1.0040850000000001 0.87912 1.12905