condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0528915 0.0 0.105783 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.04731585 0.0 0.0946317 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0452795 0.0 0.090559 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0