condition mean min max 0 h after light 0.117777 0.0 0.235554 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.3548685 0.0 0.709737 2 h after dark 0.769831 0.485012 1.05465 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.241818 0.0 0.483636