condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.07035395 0.0308919 0.109816 4 h after dark 0.07789866666666667 0.0 0.146485 8 h after dark 0.043075633333333335 0.0 0.0774932 12 h after dark 0.10163093333333334 0.0 0.268776