condition mean min max 0 h after light 0.0 0.0 0.0 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 0.0973955 0.0 0.194791 2 h after dark 0.0 0.0 0.0 4 h after dark 0.04836465 0.0 0.0967293 8 h after dark 0.0525925 0.0 0.105185 12 h after dark 0.0 0.0 0.0