Year, MeanDlyDate, InstDate, MnDlyPk, InstPk, Diff, JDayDiff
1927, 1927-05-18, 1927-05-16, 498.00, 655.00, 157.0, 2 
1928, 1928-05-09, 1928-05-08, 578.00, 578.00, 0.0, 1 
1929, 1929-05-26, 1929-05-25, 686.00, 686.00, 0.0, 1 
1930, 1930-04-26, 1930-04-25, 382.00, 382.00, 0.0, 1 
1931, 1931-05-16, 1931-05-15, 68.00, 83.00, 15.0, 1 
1932, 1932-05-15, 1932-05-14, 537.00, 603.00, 66.0, 1 
1933, 1933-06-02, 1933-06-02, 323.00, 360.00, 37.0, 0 
1934, 1934-04-01, 1934-03-31, 22.00, 24.00, 2.0, 1 
1935, 1935-06-10, 1935-06-09, 346.00, 392.00, 46.0, 1 
1936, 1936-05-06, 1936-04-23, 594.00, 656.00, 62.0, 13 
1937, 1937-05-16, 1937-04-16, 463.00, 588.00, 125.0, 30 
1938, 1938-05-18, 1938-05-16, 640.00, 672.00, 32.0, 2 
1939, 1939-05-02, 1939-03-22, 243.00, 284.00, 41.0, 41 
1940, 1940-05-16, 1940-08-21, 150.00, 884.00, 734.0, 97 
1941, 1941-06-14, 1941-08-06, 260.00, 574.00, 314.0, 53 
1942, 1942-05-27, 1942-05-26, 542.00, 589.00, 47.0, 1 
1943, 1943-05-06, 1943-05-05, 394.00, 444.00, 50.0, 1 
1944, 1944-05-16, 1944-05-16, 655.00, 730.00, 75.0, 0 
1945, 1945-05-12, 1945-08-20, 289.00, 818.00, 529.0, 100 
1946, 1946-04-28, 1946-04-27, 485.00, 513.00, 28.0, 1 
1947, 1947-05-06, 1947-05-05, 399.00, 444.00, 45.0, 1 
1948, 1948-05-21, 1948-04-22, 625.00, 725.00, 100.0, 29 
1949, 1949-05-16, 1949-05-13, 387.00, 409.00, 22.0, 3 
1950, 1950-05-26, 1950-05-25, 861.00, 923.00, 62.0, 1 
1951, 1951-05-22, 1951-05-29, 500.00, 568.00, 68.0, 7 
1952, 1952-04-29, 1952-04-28, 1200.00, 1540.00, 340.0, 1 
1953, 1953-06-12, 1953-06-11, 349.00, 390.00, 41.0, 1 
1954, 1954-05-11, 1954-05-10, 145.00, 164.00, 19.0, 1 
1955, 1955-05-09, 1955-05-08, 307.00, 349.00, 42.0, 1 
1956, 1956-05-24, 1956-05-22, 426.00, 603.00, 177.0, 2 
1957, 1957-05-20, 1957-05-19, 610.00, 822.00, 212.0, 1 
1958, 1958-05-13, 1958-05-12, 274.00, 304.00, 30.0, 1 
1959, 1959-05-15, 1959-04-04, 172.00, 277.00, 105.0, 41 
1960, 1960-05-14, 1960-03-27, 251.00, 386.00, 135.0, 48 
1961, 1961-05-25, 1961-03-24, 68.00, 217.00, 149.0, 62 
1962, 1962-05-10, 1962-02-12, 352.00, 397.00, 45.0, 87 
1963, 1963-05-12, 1963-02-01, 220.00, 283.00, 63.0, 100 
1964, 1964-05-23, 1964-05-22, 652.00, 721.00, 69.0, 1 
1965, 1965-05-21, 1965-05-20, 590.00, 638.00, 48.0, 1 
1966, 1966-05-11, 1966-05-10, 482.00, 521.00, 39.0, 1 
1967, 1967-05-26, 1967-05-25, 693.00, 767.00, 74.0, 1 
1968, 1968-05-31, 1968-05-30, 558.00, 608.00, 50.0, 1 
1969, 1969-05-08, 1969-05-08, 545.00, 600.00, 55.0, 0 
1970, 1970-05-21, 1970-05-28, 510.00, 539.00, 29.0, 7 
1971, 1971-05-17, 1971-05-16, 563.00, 600.00, 37.0, 1 
1972, 1972-05-18, 1972-05-17, 586.00, 618.00, 32.0, 1 
1973, 1973-05-20, 1973-05-19, 752.00, 816.00, 64.0, 1 
1974, 1974-05-11, 1974-05-10, 1080.00, 1240.00, 160.0, 1 
1975, 1975-06-09, 1975-06-08, 798.00, 866.00, 68.0, 1 
1976, 1976-05-16, 1976-05-15, 441.00, 483.00, 42.0, 1 
1977, 1977-04-10, 1977-04-09, 65.00, 80.00, 15.0, 1 
1978, 1978-05-17, 1978-05-16, 496.00, 555.00, 59.0, 1 
1979, 1979-05-22, 1979-05-21, 200.00, 200.00, 0.0, 1 
1980, 1980-05-01, 1980-04-26, 574.00, 662.00, 88.0, 5 
1981, 1981-05-30, 1981-05-29, 352.00, 399.00, 47.0, 1 
1982, 1982-05-05, 1982-05-04, 800.00, 954.00, 154.0, 1 
1983, 1983-06-02, 1983-06-01, 1410.00, 1570.00, 160.0, 1 
1984, 1984-05-16, 1984-05-16, 1240.00, 1350.00, 110.0, 0 
1985, 1985-05-12, 1985-05-10, 793.00, 956.00, 163.0, 2 
1986, 1986-05-23, 1986-05-22, 1090.00, 1280.00, 190.0, 1 
1987, 1987-05-03, 1987-05-02, 193.00, 201.00, 8.0, 1 
1988, 1988-05-19, 1988-05-18, 193.00, 199.00, 6.0, 1 
1989, 1989-05-11, 1989-05-10, 213.00, 240.00, 27.0, 1 
1990, 1990-05-25, 1990-05-24, 130.00, 143.00, 13.0, 1 
1991, 1991-06-04, 1991-06-03, 499.00, 600.00, 101.0, 1 
1992, 1992-05-10, 1992-05-09, 114.00, 143.00, 29.0, 1 
1993, 1993-05-23, 1993-05-22, 1420.00, 1790.00, 370.0, 1 
1994, 1994-05-15, 1994-05-14, 259.00, 287.00, 28.0, 1 
1995, 1995-05-24, 1995-05-23, 704.00, 808.00, 104.0, 1 
1996, 1996-05-18, 1996-05-17, 573.00, 717.00, 144.0, 1 
1997, 1997-05-16, 1997-05-15, 697.00, 796.00, 99.0, 1 
1998, 1998-06-20, 1998-06-19, 762.00, 963.00, 201.0, 1 
1999, 1999-05-26, 1999-05-25, 826.00, 974.00, 148.0, 1 
2000, 2000-05-27, 2000-05-26, 223.00, 256.00, 33.0, 1 
2001, 2001-05-17, 2001-05-16, 246.00, 335.00, 89.0, 1 
2002, 2002-05-22, 2002-05-21, 196.00, 212.00, 16.0, 1 
2003, 2003-05-20, 2003-05-17, 236.00, 261.00, 25.0, 3 
2004, 2004-05-07, 2004-05-06, 152.00, 162.00, 10.0, 1 
2005, 2005-05-22, 2005-05-21, 723.00, 837.00, 114.0, 1 
2006, 2006-05-22, 2006-05-21, 368.00, 436.00, 68.0, 1 
2007, 2007-05-04, 2007-05-03, 241.00, 254.00, 13.0, 1 
2008, 2008-05-22, 2008-05-21, 614.00, 663.00, 49.0, 1 
2009, 2009-06-22, 2009-06-22, 450.00, 542.00, 92.0, 0 
2010, 2010-06-14, 2010-06-13, 536.00, 671.00, 135.0, 1 
2011, 2011-05-17, 2011-04-19, 1070.00, 1500.00, 430.0, 28 
2012, 2012-04-28, 2012-03-17, 202.00, 263.00, 61.0, 42 
2013, 2013-05-17, 2013-05-16, 199.00, 225.00, 26.0, 1 
2014, 2014-05-28, 2014-05-27, 224.00, 247.00, 23.0, 1 
2015, 2015-05-30, 2015-05-28, 198.00, 213.00, 15.0, 2 
2016, 2016-05-17, 2016-05-16, 378.00, 392.00, 14.0, 1 
2017, 2017-05-14, 2017-05-13, 692.00, 766.00, 74.0, 1 
2018, 2018-05-13, 2018-05-12, 162.00, 174.00, 12.0, 1 
2019, 2019-06-08, 2019-06-08, 500.00, 547.00, 47.0, 0 
2020, 2020-05-02, 2020-05-01, 204.00, 227.00, 23.0, 1 
2021, 2021-05-09, 2021-05-08, 59.80, 73.30, 13.5, 1 
2022, 2022-05-18, 2022-05-17, 315.00, 358.00, 43.0, 1 
2023, 2023-05-16, 2023-05-02, 769.00, 879.00, 110.0, 14