condition mean min max 4 h after light 1444.8752985 1224.71681 1665.033787 8 h after light 1287.8265605000001 924.57491 1651.078211 12 h after light 1482.715459 1468.155134 1497.275784 4 h after dark 1352.1394065 1207.360381 1496.918432 8 h after dark 1161.262644 890.885903 1431.639385 12 h after dark 1161.508733 1161.508733 1161.508733