condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.09208766666666666 0.0 0.276263 12 h after light 0.0302622 0.0 0.0907866 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0627694 0.0 0.132028