condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.222912 0.0 0.445824 8 h after light 0.22691299999999998 0.223681 0.230145 4 h after dark 0.0 0.0 0.0 8 h after dark 0.111335 0.0 0.22267 12 h after dark 0.110434 0.0 0.220868