| E | O (JD) | O (dat) | Period |
| -169 | 2412365 | 1892-09-23 | 178.68 |
| -167 | 2412720 | 1893-09-13 | 178.9 |
| -159 | 2414165 | 1897-08-28 | 178.64 |
| -157 | 2414500 | 1898-07-29 | 178.68 |
| -154 | 2415035 | 1900-01-15 | 178.57 |
| -152 | 2415410 | 1901-01-25 | 178.6 |
| -151 | 2415590 | 1901-07-24 | 178.73 |
| -150 | 2415750 | 1901-12-31 | 178.9 |
| -149 | 2415940 | 1902-07-09 | 179.66 |
| -148 | 2416110 | 1902-12-26 | 180.07 |
| -146 | 2416475 | 1903-12-26 | 179.37 |
| -145 | 2416660 | 1904-06-28 | 179.53 |
| -143 | 2417020 | 1905-06-23 | 179.63 |
| -142 | 2417195 | 1905-12-15 | 179.33 |
| -141 | 2417390 | 1906-06-28 | 179.23 |
| -140 | 2417545 | 1906-11-30 | 178.73 |
| -138 | 2417910 | 1907-11-30 | 178.45 |
| -136 | 2418265 | 1908-11-19 | 178.61 |
| -135 | 2418450 | 1909-05-23 | 179.09 |
| -134 | 2418625 | 1909-11-14 | 179.45 |
| -130 | 2419340 | 1911-10-30 | 180.29 |
| -128 | 2419695 | 1912-10-19 | 180.11 |
| -126 | 2420060 | 1913-10-19 | 180.28 |
| -124 | 2420430 | 1914-10-24 | 180.12 |
| -122 | 2420792 | 1915-10-21 | 180.23 |
| -120 | 2421160 | 1916-10-23 | 179.9 |
| -118 | 2421500 | 1917-09-28 | 179.71 |
| -116 | 2421870 | 1918-10-03 | 179.54 |
| -114 | 2422220 | 1919-09-18 | 179.35 |
| -112 | 2422585 | 1920-09-17 | 179.51 |
| -110 | 2422930 | 1921-08-28 | 179.53 |
| -108 | 2423300 | 1922-09-02 | 179.66 |
| -104 | 2424025 | 1924-08-27 | 179.52 |
| -102 | 2424380 | 1925-08-17 | 179.75 |
| -100 | 2424745 | 1926-08-17 | 180.06 |
| -96 | 2425455 | 1928-07-27 | 180.6 |
| -93 | 2425990 | 1930-01-13 | 180.77 |
| -91 | 2426351 | 1931-01-09 | 181.21 |
| -90 | 2426540 | 1931-07-17 | 181.61 |
| -87 | 2427095 | 1933-01-22 | 182.22 |
| -85 | 2427465 | 1934-01-27 | 182.98 |
| -84 | 2427645 | 1934-07-26 | 183.03 |
| -82 | 2428010 | 1935-07-26 | 182.3 |
| -81 | 2428185 | 1936-01-17 | 181.22 |
| -80 | 2428380 | 1936-07-30 | 179.96 |
| -78 | 2428735 | 1937-07-20 | 178.98 |
| -77 | 2428910 | 1938-01-11 | 178.11 |
| -75 | 2429265 | 1939-01-01 | 177.56 |
| -74 | 2429440 | 1939-06-25 | 177.35 |
| -73 | 2429615 | 1939-12-17 | 176.66 |
| -72 | 2429790 | 1940-06-09 | 176.55 |
| -71 | 2429960 | 1940-11-26 | 177.31 |
| -70 | 2430150 | 1941-06-04 | 178.03 |
| -69 | 2430329 | 1941-11-30 | 178.58 |
| -67 | 2430677 | 1942-11-13 | 178.83 |
| -65 | 2431027 | 1943-10-29 | 178.94 |
| -63 | 2431399 | 1944-11-04 | 178.85 |
| -61 | 2431759 | 1945-10-30 | 179.18 |
| -59 | 2432117 | 1946-10-23 | 179.87 |
| -57 | 2432471 | 1947-10-12 | 180.45 |
| -55 | 2432827 | 1948-10-02 | 180.82 |
| -53 | 2433180 | 1949-09-20 | 180.5 |
| -51 | 2433562 | 1950-10-07 | 180.32 |
| -49 | 2433930 | 1951-10-10 | 180.2 |
| -47 | 2434286 | 1952-09-30 | 180.09 |
| -45 | 2434651 | 1953-09-30 | 180 |
| -16 | 2439875 | 1968-01-19 | 179.98 |
| -15 | 2440040 | 1968-07-02 | 179.81 |
| -12 | 2440575 | 1969-12-19 | 179.87 |
| -10 | 2440930 | 1970-12-09 | 179.95 |
| -8 | 2441292 | 1971-12-06 | 180.14 |
| -6 | 2441670 | 1972-12-18 | 181.39 |
| -4 | 2442020 | 1973-12-03 | 182.3 |
| -2 | 2442400 | 1974-12-18 | 182.86 |
| 0 | 2442751 | 1975-12-04 | 183.11 |
| 2 | 2443130 | 1976-12-17 | 182.51 |
| 3 | 2443310 | 1977-06-15 | 182.01 |
| 4 | 2443499 | 1977-12-21 | 181.78 |
| 6 | 2443858 | 1978-12-15 | 181.32 |
| 8 | 2444223 | 1979-12-15 | 181.28 |
| 10 | 2444568 | 1980-11-24 | 180.8 |
| 12 | 2444939 | 1981-11-30 | 180.88 |
| 14 | 2445298 | 1982-11-24 | 180.97 |
| 15 | 2445485 | 1983-05-30 | 181.49 |
| 16 | 2445666 | 1983-11-27 | 181.98 |
| 17 | 2445845 | 1984-05-24 | 182.44 |
| 18 | 2446031 | 1984-11-26 | 182.08 |
| 19 | 2446215 | 1985-05-29 | 181.68 |
| 20 | 2446400 | 1985-11-30 | 181.5 |
| 21 | 2446580 | 1986-05-29 | 181.17 |
| 22 | 2446753 | 1986-11-18 | 181.05 |
| 24 | 2447121 | 1987-11-21 | 180.82 |
| 26 | 2447477 | 1988-11-11 | 180.99 |
| 28 | 2447847 | 1989-11-16 | 180.87 |
| 30 | 2448201 | 1990-11-05 | 180.8 |
| 32 | 2448567 | 1991-11-06 | 181.01 |
| 34 | 2448927 | 1992-10-31 | 181.06 |
| 36 | 2449298 | 1993-11-06 | 181.3 |
| 38 | 2449649 | 1994-10-23 | 181.38 |
| 40 | 2450007 | 1995-10-16 | 181.31 |
| 42 | 2450380 | 1996-10-23 | 181 |
| 44 | 2450744 | 1997-10-22 | 180.99 |
| 46 | 2451109 | 1998-10-22 | 181.1 |
| 48 | 2451472 | 1999-10-20 | 181.66 |
| 50 | 2451821 | 2000-10-03 | 181.98 |
| 52 | 2452180 | 2001-09-27 | 181.91 |
| 54 | 2452550 | 2002-10-02 | 182.12 |
| 56 | 2452920 | 2003-10-07 | 182.13 |
| 58 | 2453293 | 2004-10-14 | 182.01 |
| 60 | 2453660 | 2005-10-16 | 182.35 |
| 62 | 2454016 | 2006-10-07 | 182.29 |
| 64 | 2454382 | 2007-10-08 | 181.85 |
| 66 | 2454737 | 2008-09-27 | 181.75 |
| 68 | 2455092 | 2009-09-17 | 181.53 |
| 70 | 2455473 | 2010-10-03 | 181.7 |
| 72 | 2455837 | 2011-10-02 | 182.12 |
| 74 | 2456193 | 2012-09-22 | 182.23 |
| 75 | 2456385 | 2013-04-02 | 182.48 |
| 76 | 2456557 | 2013-09-21 | 182.06 |
| 77 | 2456745 | 2014-03-28 | 181.22 |
| 78 | 2456930 | 2014-09-29 | 181.17 |
| 80 | 2457289 | 2015-09-23 | 180.85 |
| 82 | 2457654 | 2016-09-22 | 180.81 |
| 83 | 2457825 | 2017-03-12 | 180.9 |
| 84 | 2458007 | 2017-09-10 | 180.66 |
| 86 | 2458374 | 2018-09-12 | 180.91 |
| 87 | 2458545 | 2019-03-02 | 181.02 |
| 88 | 2458740 | 2019-09-13 | 181.36 |
| 89 | 2458915 | 2020-03-06 | 181.88 |
| 90 | 2459096 | 2020-09-03 | 181.88 |
| 91 | 2459285 | 2021-03-11 | 181.9 |
| 92 | 2459456 | 2021-08-29 | 182.27 |
| 93 | 2459645 | 2022-03-06 | 181.46 |
| 94 | 2459827 | 2022-09-04 | 182.23 |
| 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. |