condition mean min max 4 h after light 2.94732 1.88187 5.00751 8 h after light 1.0416686666666668 0.199999 2.31787 12 h after light 0.8881773333333334 0.562609 1.45926 4 h after dark 2.10704 1.74483 2.30727 8 h after dark 2.2051033333333336 1.32685 2.75945 12 h after dark 5.22102 4.23747 6.93019