| E | O (JD) | O (dat) | Period |
| -92 | 2414880 | 1899-08-13 | 327.74 |
| -91 | 2415215 | 1900-07-14 | 327.42 |
| -90 | 2415541 | 1901-06-05 | 325.93 |
| -89 | 2415850 | 1902-04-10 | 325.72 |
| -85 | 2417174 | 1905-11-24 | 326.4 |
| -84 | 2417498 | 1906-10-14 | 326.35 |
| -83 | 2417812 | 1907-08-24 | 327.2 |
| -82 | 2418143 | 1908-07-20 | 327.7 |
| -81 | 2418480 | 1909-06-22 | 327.62 |
| -80 | 2418803 | 1910-05-11 | 329.58 |
| -74 | 2420768 | 1915-09-27 | 331.13 |
| -73 | 2421104 | 1916-08-28 | 330.38 |
| -72 | 2421431 | 1917-07-21 | 330.21 |
| -71 | 2421789 | 1918-07-14 | 331.42 |
| -70 | 2422113 | 1919-06-03 | 333.36 |
| -69 | 2422439 | 1920-04-24 | 333.65 |
| -68 | 2422769 | 1921-03-20 | 332.15 |
| -67 | 2423099 | 1922-02-13 | 331.43 |
| -66 | 2423440 | 1923-01-20 | 331.42 |
| -65 | 2423766 | 1923-12-12 | 331.78 |
| -64 | 2424104 | 1924-11-14 | 332.14 |
| -63 | 2424438 | 1925-10-14 | 330.64 |
| -62 | 2424754 | 1926-08-26 | 330.14 |
| -61 | 2425099 | 1927-08-06 | 330.86 |
| -60 | 2425419 | 1928-06-21 | 330.72 |
| -59 | 2425749 | 1929-05-17 | 331.36 |
| -58 | 2426079 | 1930-04-12 | 332.65 |
| -57 | 2426423 | 1931-03-22 | 332.43 |
| -56 | 2426749 | 1932-02-11 | 331.85 |
| -55 | 2427082 | 1933-01-09 | 332.14 |
| -54 | 2427428 | 1933-12-21 | 332.14 |
| -53 | 2427744 | 1934-11-02 | 331.57 |
| -52 | 2428070 | 1935-09-24 | 331.14 |
| -51 | 2428408 | 1936-08-27 | 329.93 |
| -50 | 2428744 | 1937-07-29 | 330.29 |
| -49 | 2429070 | 1938-06-20 | 330.87 |
| -48 | 2429397 | 1939-05-13 | 328.87 |
| -47 | 2429732 | 1940-04-12 | 327.44 |
| -46 | 2430064 | 1941-03-10 | 327.62 |
| -44 | 2430713 | 1942-12-19 | 327.81 |
| -43 | 2431027 | 1943-10-29 | 327.31 |
| -42 | 2431364 | 1944-09-30 | 327.12 |
| -41 | 2431692 | 1945-08-24 | 327.14 |
| -40 | 2432020 | 1946-07-18 | 327.79 |
| -39 | 2432346 | 1947-06-09 | 328.22 |
| -38 | 2432684 | 1948-05-12 | 327.79 |
| -37 | 2433000 | 1949-03-24 | 328 |
| -36 | 2433329 | 1950-02-16 | 328.06 |
| -35 | 2433657 | 1951-01-10 | 328.06 |
| -34 | 2433988 | 1951-12-07 | 329.28 |
| -33 | 2434316 | 1952-10-30 | 330.86 |
| -32 | 2434643 | 1953-09-22 | 330.86 |
| -31 | 2434980 | 1954-08-25 | 330.29 |
| -30 | 2435314 | 1955-07-25 | 329.44 |
| -29 | 2435647 | 1956-06-22 | 329.44 |
| -28 | 2435971 | 1957-05-12 | 328.79 |
| -27 | 2436298 | 1958-04-04 | 326.5 |
| -26 | 2436618 | 1959-02-18 | 326.42 |
| -25 | 2436953 | 1960-01-19 | 326.71 |
| -24 | 2437273 | 1960-12-04 | 325.85 |
| -23 | 2437592 | 1961-10-19 | 326.93 |
| -22 | 2437939 | 1962-10-01 | 327.14 |
| -21 | 2438253 | 1963-08-11 | 326.64 |
| -20 | 2438578 | 1964-07-01 | 327.79 |
| -19 | 2438915 | 1965-06-03 | 326.65 |
| -18 | 2439236 | 1966-04-20 | 325.94 |
| -17 | 2439563 | 1967-03-13 | 326.93 |
| -16 | 2439891 | 1968-02-04 | 326.92 |
| -15 | 2440213 | 1968-12-22 | 327.14 |
| -14 | 2440542 | 1969-11-16 | 327.56 |
| -13 | 2440866 | 1970-10-06 | 327.71 |
| -12 | 2441204 | 1971-09-09 | 328.14 |
| -11 | 2441527 | 1972-07-28 | 328.86 |
| -10 | 2441858 | 1973-06-24 | 328.22 |
| -9 | 2442184 | 1974-05-16 | 327.36 |
| -8 | 2442514 | 1975-04-11 | 328 |
| -7 | 2442845 | 1976-03-07 | 327.43 |
| -6 | 2443158 | 1977-01-14 | 326.99 |
| -5 | 2443495 | 1977-12-17 | 327.64 |
| -4 | 2443828 | 1978-11-15 | 327.85 |
| -3 | 2444141 | 1979-09-24 | 328.93 |
| -2 | 2444479 | 1980-08-27 | 329.01 |
| -1 | 2444806 | 1981-07-20 | 327.86 |
| 0 | 2445143 | 1982-06-22 | 329.01 |
| 1 | 2445465 | 1983-05-10 | 330.36 |
| 2 | 2445794 | 1984-04-03 | 330.58 |
| 3 | 2446119 | 1985-02-22 | 331.14 |
| 4 | 2446456 | 1986-01-25 | 331.78 |
| 5 | 2446789 | 1986-12-24 | 332.28 |
| 6 | 2447124 | 1987-11-24 | 333.14 |
| 7 | 2447461 | 1988-10-26 | 333.14 |
| 8 | 2447792 | 1989-09-22 | 332.21 |
| 9 | 2448119 | 1990-08-15 | 331.57 |
| 10 | 2448458 | 1991-07-20 | 330.01 |
| 11 | 2448781 | 1992-06-07 | 328.36 |
| 12 | 2449115 | 1993-05-07 | 328.22 |
| 13 | 2449440 | 1994-03-28 | 328.36 |
| 14 | 2449765 | 1995-02-16 | 327.99 |
| 15 | 2450085 | 1996-01-02 | 327.42 |
| 16 | 2450421 | 1996-12-03 | 325.35 |
| 17 | 2450753 | 1997-10-31 | 324.64 |
| 18 | 2451078 | 1998-09-21 | 325.5 |
| 19 | 2451402 | 1999-08-11 | 325.64 |
| 20 | 2451708 | 2000-06-12 | 325.08 |
| 21 | 2452042 | 2001-05-12 | 325 |
| 22 | 2452365 | 2002-03-31 | 324.86 |
| 23 | 2452700 | 2003-03-01 | 326.07 |
| 24 | 2453025 | 2004-01-20 | 327.71 |
| 25 | 2453356 | 2004-12-16 | 327.71 |
| 26 | 2453672 | 2005-10-28 | 326.92 |
| 27 | 2454003 | 2006-09-24 | 326 |
| 28 | 2454335 | 2007-08-22 | 326.44 |
| 29 | 2454660 | 2008-07-12 | 327.79 |
| 30 | 2454982 | 2009-05-30 | 328.29 |
| 31 | 2455307 | 2010-04-20 | 328.07 |
| 32 | 2455644 | 2011-03-23 | 328.14 |
| 33 | 2455973 | 2012-02-15 | 328.07 |
| 34 | 2456298 | 2013-01-05 | 328.42 |
| 35 | 2456633 | 2013-12-06 | 328.21 |
| 36 | 2456956 | 2014-10-25 | 327.42 |
| 37 | 2457279 | 2015-09-13 | 327.79 |
| 38 | 2457608 | 2016-08-07 | 327.86 |
| 39 | 2457938 | 2017-07-03 | 328.22 |
| 40 | 2458263 | 2018-05-24 | 328.65 |
| 41 | 2458597 | 2019-04-23 | 327.71 |
| 42 | 2458924 | 2020-03-15 | 327.57 |
| 43 | 2459260 | 2021-02-14 | 328.78 |
| 44 | 2459576 | 2021-12-27 | 328.24 |
| 45 | 2459899 | 2022-11-15 | 327.08 |
| E | Cycle number from the GCVS4 epoch. |
| O (JD) | Julian date at observed time for maximum. |
| O (Dat) | Same as above, expressed as date. |
| Period | Calculated mean period at cycle number E. |