Year, MeanDlyDate, InstDate, MnDlyPk, InstPk, Diff, JDayDiff
1947, 1947-05-14, 1947-05-13, 27800.00, 28800.00, 1000.0, 1 
1948, 1948-05-26, 1948-05-24, 22200.00, 22400.00, 200.0, 2 
1949, 1949-06-16, 1949-06-15, 22900.00, 23200.00, 300.0, 1 
1950, 1950-06-05, 1950-06-04, 23700.00, 24200.00, 500.0, 1 
1951, 1951-06-03, 1951-06-03, 26100.00, 26900.00, 800.0, 0 
1952, 1952-05-09, 1952-05-08, 32800.00, 33400.00, 600.0, 1 
1953, 1953-06-18, 1953-06-17, 22000.00, 22300.00, 300.0, 1 
1954, 1954-05-26, 1954-05-25, 15800.00, 15900.00, 100.0, 1 
1955, 1955-06-20, 1955-06-19, 11700.00, 11900.00, 200.0, 1 
1956, 1956-06-02, 1956-06-01, 26200.00, 26500.00, 300.0, 1 
1957, 1957-06-12, 1957-06-16, 36100.00, 36500.00, 400.0, 4 
1958, 1958-05-30, 1958-05-29, 29100.00, 29100.00, 0.0, 1 
1959, 1959-06-21, 1959-06-22, 15600.00, 16000.00, 400.0, 1 
1960, 1960-04-14, 1960-04-13, 13400.00, 14400.00, 1000.0, 1 
1961, 1961-06-02, 1961-06-01, 12000.00, 12100.00, 100.0, 1 
1962, 1962-05-15, 1962-05-14, 25100.00, 25400.00, 300.0, 1 
1963, 1963-05-14, 1963-05-13, 8360.00, 8620.00, 260.0, 1 
1964, 1964-05-25, 1964-05-24, 16100.00, 16300.00, 200.0, 1 
1965, 1965-06-17, 1965-06-11, 16800.00, 18400.00, 1600.0, 6 
1966, 1966-05-14, 1966-03-16, 10100.00, 11500.00, 1400.0, 59 
1967, 1967-05-29, 1967-05-28, 16400.00, 16700.00, 300.0, 1 
1968, 1968-06-09, 1968-06-08, 18500.00, 18800.00, 300.0, 1 
1969, 1969-05-10, 1969-05-09, 14400.00, 15000.00, 600.0, 1 
1970, 1970-05-24, 1970-05-23, 19800.00, 20600.00, 800.0, 1 
1971, 1971-06-02, 1971-06-01, 19900.00, 20800.00, 900.0, 1 
1972, 1972-06-12, 1972-06-11, 15800.00, 16300.00, 500.0, 1 
1973, 1973-05-24, 1973-05-23, 22100.00, 23400.00, 1300.0, 1 
1974, 1974-05-13, 1974-05-12, 26400.00, 27000.00, 600.0, 1 
1975, 1975-06-11, 1975-06-10, 20300.00, 20900.00, 600.0, 1 
1976, 1976-05-26, 1976-05-25, 15900.00, 16600.00, 700.0, 1 
1977, 1977-06-08, 1977-06-07, 7390.00, 7880.00, 490.0, 1 
1978, 1978-06-15, 1978-06-14, 17600.00, 18800.00, 1200.0, 1 
1979, 1979-06-01, 1979-05-31, 19100.00, 19300.00, 200.0, 1 
1980, 1980-05-27, 1980-05-14, 18000.00, 18700.00, 700.0, 13 
1981, 1981-05-31, 1981-06-10, 9160.00, 9610.00, 450.0, 10 
1982, 1982-05-07, 1982-05-06, 17000.00, 18600.00, 1600.0, 1 
1983, 1983-06-29, 1983-06-28, 26600.00, 27200.00, 600.0, 1 
1984, 1984-05-19, 1984-05-18, 38500.00, 40000.00, 1500.0, 1 
1985, 1985-05-08, 1985-05-07, 20800.00, 21000.00, 200.0, 1 
1986, 1986-06-09, 1986-06-08, 21900.00, 22300.00, 400.0, 1 
1987, 1987-05-05, 1987-05-04, 10700.00, 10800.00, 100.0, 1 
1988, 1988-05-21, 1988-05-21, 13700.00, 14500.00, 800.0, 0 
1989, 1989-04-27, 1989-04-26, 6970.00, 7090.00, 120.0, 1 
1990, 1990-06-15, 1990-06-14, 9410.00, 9710.00, 300.0, 1 
1991, 1991-05-23, 1991-05-21, 10600.00, 11100.00, 500.0, 2 
1992, 1992-05-13, 1992-05-12, 9530.00, 9650.00, 120.0, 1 
1993, 1993-05-29, 1993-05-29, 20000.00, 20400.00, 400.0, 0 
1994, 1994-05-21, 1994-05-20, 11700.00, 11800.00, 100.0, 1 
1995, 1995-06-09, 1995-06-08, 18600.00, 19100.00, 500.0, 1 
1996, 1996-05-21, 1996-05-20, 22000.00, 22400.00, 400.0, 1 
1997, 1997-06-06, 1997-06-05, 24900.00, 25000.00, 100.0, 1 
1998, 1998-05-24, 1998-05-24, 17100.00, 18000.00, 900.0, 0 
1999, 1999-06-03, 1999-06-02, 20600.00, 21200.00, 600.0, 1 
2000, 2000-06-02, 2000-06-01, 16200.00, 16900.00, 700.0, 1 
2001, 2001-05-19, 2001-05-19, 14400.00, 14700.00, 300.0, 0 
2002, 2002-05-24, 2002-05-23, 7120.00, 7570.00, 450.0, 1 
2003, 2003-06-04, 2003-06-03, 19000.00, 19400.00, 400.0, 1 
2004, 2004-05-14, 2004-05-13, 11400.00, 11500.00, 100.0, 1 
2005, 2005-05-27, 2005-05-26, 19500.00, 19900.00, 400.0, 1 
2006, 2006-05-26, 2006-05-25, 18400.00, 19200.00, 800.0, 1 
2007, 2007-05-18, 2007-05-17, 12500.00, 12700.00, 200.0, 1 
2008, 2008-06-07, 2008-06-05, 23500.00, 24000.00, 500.0, 2 
2009, 2009-05-23, 2009-05-27, 18500.00, 19600.00, 1100.0, 4 
2010, 2010-06-11, 2010-06-10, 19400.00, 20500.00, 1100.0, 1 
2011, 2011-06-12, 2011-06-11, 31300.00, 32200.00, 900.0, 1 
2012, 2012-05-25, 2012-05-25, 10200.00, 10600.00, 400.0, 0 
2013, 2013-06-07, 2013-05-31, 10400.00, 11000.00, 600.0, 7 
2014, 2014-06-09, 2014-06-08, 19500.00, 20100.00, 600.0, 1 
2015, 2015-05-22, 2015-05-21, 14900.00, 15800.00, 900.0, 1 
2016, 2016-06-13, 2016-06-12, 20500.00, 21100.00, 600.0, 1 
2017, 2017-06-10, 2017-06-09, 17900.00, 18300.00, 400.0, 1 
2018, 2018-05-31, 2018-05-30, 12100.00, 12600.00, 500.0, 1 
2019, 2019-06-12, 2019-06-11, 20800.00, 21000.00, 200.0, 1 
2020, 2020-06-05, 2020-06-04, 17800.00, 18300.00, 500.0, 1 
2021, 2021-05-26, 2021-05-25, 9650.00, 9830.00, 180.0, 1 
2022, 2022-06-01, 2022-05-31, 16600.00, 17000.00, 400.0, 1 
2023, 2023-05-20, 2023-05-18, 20100.00, 20300.00, 200.0, 2