condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0337974 0.0 0.0675948 8 h after light 0.08251485 0.0337647 0.131265 4 h after dark 0.06521805 0.0327056 0.0977305 8 h after dark 0.08208295 0.065336 0.0988299 12 h after dark 0.0 0.0 0.0