Year, MeanDlyDate, InstDate, MnDlyPk, InstPk, Diff, JDayDiff
1951, 1951-06-23, 1951-06-23, 28800.00, 30200.00, 1400.0, 0 
1952, 1952-06-10, 1952-06-09, 51400.00, 52000.00, 600.0, 1 
1953, 1953-06-16, 1953-06-15, 35600.00, 37300.00, 1700.0, 1 
1954, 1954-05-24, 1954-05-23, 11200.00, 11600.00, 400.0, 1 
1955, 1955-06-11, 1955-06-10, 16400.00, 17100.00, 700.0, 1 
1956, 1956-06-05, 1956-06-04, 27600.00, 28900.00, 1300.0, 1 
1957, 1957-06-10, 1957-06-09, 56300.00, 56800.00, 500.0, 1 
1958, 1958-05-31, 1958-05-31, 44200.00, 45000.00, 800.0, 0 
1959, 1959-06-11, 1959-06-11, 21800.00, 23200.00, 1400.0, 0 
1960, 1960-06-06, 1960-06-05, 23600.00, 24700.00, 1100.0, 1 
1961, 1961-06-01, 1961-05-31, 18700.00, 19300.00, 600.0, 1 
1962, 1962-05-14, 1962-05-14, 39200.00, 40500.00, 1300.0, 0 
1963, 1963-05-21, 1963-05-20, 11000.00, 11300.00, 300.0, 1 
1964, 1964-05-28, 1964-05-27, 26600.00, 27300.00, 700.0, 1 
1965, 1965-06-21, 1965-06-20, 35800.00, 36400.00, 600.0, 1 
1966, 1966-05-10, 1966-05-11, 13700.00, 14400.00, 700.0, 1 
1967, 1967-05-28, 1967-05-27, 18200.00, 19400.00, 1200.0, 1 
1968, 1968-06-08, 1968-06-07, 25200.00, 26600.00, 1400.0, 1 
1969, 1969-06-27, 1969-06-26, 18200.00, 20400.00, 2200.0, 1 
1970, 1970-05-25, 1970-05-24, 32300.00, 33000.00, 700.0, 1 
1971, 1971-06-20, 1971-06-19, 21500.00, 22200.00, 700.0, 1 
1972, 1972-06-10, 1972-06-09, 17700.00, 18400.00, 700.0, 1 
1973, 1973-06-17, 1973-06-16, 33500.00, 35000.00, 1500.0, 1 
1974, 1974-05-12, 1974-05-11, 22400.00, 22800.00, 400.0, 1 
1975, 1975-06-10, 1975-06-09, 26000.00, 26300.00, 300.0, 1 
1976, 1976-06-08, 1976-06-07, 13600.00, 14400.00, 800.0, 1 
1977, 1977-06-11, 1977-06-10, 4720.00, 5080.00, 360.0, 1 
1978, 1978-06-18, 1978-06-17, 27200.00, 27800.00, 600.0, 1 
1979, 1979-05-31, 1979-05-30, 35400.00, 36000.00, 600.0, 1 
1980, 1980-05-26, 1980-05-24, 30200.00, 32100.00, 1900.0, 2 
1981, 1981-06-10, 1981-06-09, 11200.00, 12100.00, 900.0, 1 
1982, 1982-06-20, 1982-06-20, 18600.00, 19300.00, 700.0, 0 
1983, 1983-06-28, 1983-06-27, 60200.00, 62100.00, 1900.0, 1 
1984, 1984-05-28, 1984-05-27, 68300.00, 69800.00, 1500.0, 1 
1985, 1985-05-07, 1985-05-05, 38200.00, 39300.00, 1100.0, 2 
1986, 1986-06-09, 1986-06-08, 32800.00, 33800.00, 1000.0, 1 
1987, 1987-05-19, 1987-05-18, 22000.00, 22500.00, 500.0, 1 
1988, 1988-05-20, 1988-05-19, 15000.00, 15400.00, 400.0, 1 
1989, 1989-06-01, 1989-05-31, 9480.00, 9970.00, 490.0, 1 
1990, 1990-06-13, 1990-06-12, 11700.00, 12600.00, 900.0, 1 
1991, 1991-06-17, 1991-06-16, 19200.00, 19800.00, 600.0, 1 
1992, 1992-05-29, 1992-05-28, 15800.00, 16500.00, 700.0, 1 
1993, 1993-05-29, 1993-05-28, 44000.00, 44300.00, 300.0, 1 
1994, 1994-06-03, 1994-05-19, 13100.00, 13600.00, 500.0, 15 
1995, 1995-06-19, 1995-06-19, 48100.00, 49300.00, 1200.0, 0 
1996, 1996-05-19, 1996-05-20, 28500.00, 29100.00, 600.0, 1 
1997, 1997-06-04, 1997-06-10, 36800.00, 37500.00, 700.0, 6 
1998, 1998-05-23, 1998-05-22, 24700.00, 26100.00, 1400.0, 1 
1999, 1999-06-01, 1999-06-01, 17200.00, 17900.00, 700.0, 0 
2000, 2000-06-01, 2000-05-31, 17000.00, 17900.00, 900.0, 1 
2001, 2001-05-19, 2001-05-18, 13000.00, 13200.00, 200.0, 1 
2002, 2002-06-03, 2002-09-12, 4470.00, 5520.00, 1050.0, 101 
2003, 2003-06-03, 2003-06-03, 24500.00, 26100.00, 1600.0, 0 
2004, 2004-05-13, 2004-05-12, 9230.00, 9450.00, 220.0, 1 
2005, 2005-05-26, 2005-05-25, 30300.00, 31000.00, 700.0, 1 
2006, 2006-05-25, 2006-05-24, 20900.00, 21700.00, 800.0, 1 
2007, 2007-05-24, 2007-05-23, 14200.00, 14700.00, 500.0, 1 
2008, 2008-06-05, 2008-06-04, 38900.00, 39600.00, 700.0, 1 
2009, 2009-05-26, 2009-05-26, 27900.00, 29000.00, 1100.0, 0 
2010, 2010-06-10, 2010-06-09, 29600.00, 30300.00, 700.0, 1 
2011, 2011-06-10, 2011-06-09, 46800.00, 47700.00, 900.0, 1 
2011, 2011-06-10, 2011-10-07, 46800.00, 5960.00, -40840.0, 119 
2013, 2013-05-20, 2013-05-19, 12400.00, 13100.00, 700.0, 1 
2014, 2014-06-04, 2014-06-03, 37200.00, 38000.00, 800.0, 1 
2015, 2015-06-14, 2015-06-13, 30400.00, 31400.00, 1000.0, 1 
2016, 2016-06-08, 2016-06-09, 23500.00, 24500.00, 1000.0, 1 
2017, 2017-06-11, 2017-06-10, 25300.00, 26600.00, 1300.0, 1 
2018, 2018-05-15, 2018-05-14, 8260.00, 8570.00, 310.0, 1 
2019, 2019-06-11, 2019-06-10, 35900.00, 37000.00, 1100.0, 1 
2020, 2020-06-03, 2020-06-03, 14900.00, 15400.00, 500.0, 0 
2021, 2021-06-08, 2021-06-07, 7770.00, 8190.00, 420.0, 1 
2022, 2022-05-21, 2022-05-20, 15800.00, 16200.00, 400.0, 1 
2023, 2023-05-20, 2023-05-18, 35200.00, 36400.00, 1200.0, 2