condition mean min max 4 h after light 11.2676595 10.764821 11.770498 8 h after light 10.91648 10.91648 10.91648 12 h after light 10.320751999999999 10.114623 10.526881 4 h after dark 10.551739000000001 10.186998 10.91648 8 h after dark 10.434763499999999 9.724234 11.145293 12 h after dark 11.498087 11.498087 11.498087