condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.12096033333333334 0.0 0.725762 10 h after light 0.0 0.0 0.0 14 h after light 0.2608925 0.0 0.783764 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0