condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.05653305 0.0385199 0.0745462 8 h after light 0.0374017 0.0 0.0748034 4 h after dark 0.0 0.0 0.0 8 h after dark 0.01861635 0.0 0.0372327 12 h after dark 0.01887685 0.0 0.0377537