condition mean min max 0 h after light 0.224216 0.0 0.448432 4 h after light 0.4569185 0.0 0.913837 8 h after light 0.114119 0.0 0.228238 4 h after dark 0.1101045 0.0 0.220209 8 h after dark 0.2226855 0.0 0.445371 12 h after dark 0.9954245 0.895659 1.09519