condition mean min max 0 h after light 0.872304 0.746928 0.99768 4 h after light 0.7569585 0.245477 1.26844 8 h after light 0.369485 0.0 0.73897 4 h after dark 0.122263 0.0 0.244526 8 h after dark 0.6171584999999999 0.24521 0.989107 12 h after dark 0.37025399999999997 0.243225 0.497283