Year, MeanDlyDate, InstDate, MnDlyPk, InstPk, Diff, JDayDiff 1983, 1983-06-01, 1983-05-31, 22900.00, 23400.00, 500.0, 1 1984, 1984-05-19, 1984-05-18, 32300.00, 33200.00, 900.0, 1 1985, 1985-05-08, 1985-05-06, 18300.00, 18500.00, 200.0, 2 1986, 1986-05-07, 1986-06-11, 15000.00, 16900.00, 1900.0, 35 1987, 1987-05-04, 1987-05-02, 7800.00, 7990.00, 190.0, 2 1988, 1988-05-21, 1988-05-20, 14300.00, 14500.00, 200.0, 1 1989, 1989-04-29, 1989-04-28, 5840.00, 6150.00, 310.0, 1 1990, 1990-06-15, 1990-06-13, 8870.00, 9960.00, 1090.0, 2 1991, 1991-06-05, 1991-06-03, 9200.00, 9910.00, 710.0, 2 1992, 1992-05-30, 1992-05-29, 6920.00, 7120.00, 200.0, 1 1993, 1993-05-25, 1993-05-23, 15900.00, 16400.00, 500.0, 2 1994, 1994-05-20, 1994-04-25, 7270.00, 7670.00, 400.0, 25 1997, 1997-06-06, 1997-06-04, 20200.00, 20400.00, 200.0, 2 1998, 1998-05-24, 1998-05-22, 13900.00, 14100.00, 200.0, 2 1999, 1999-06-02, 1999-06-01, 13700.00, 14300.00, 600.0, 1 2000, 2000-06-01, 2000-05-31, 10900.00, 11700.00, 800.0, 1 2001, 2001-05-19, 2001-05-18, 9490.00, 9760.00, 270.0, 1 2002, 2002-06-03, 2002-06-02, 3470.00, 3810.00, 340.0, 1 2003, 2003-06-04, 2003-06-03, 15700.00, 16200.00, 500.0, 1 2004, 2004-05-10, 2004-05-09, 6980.00, 7290.00, 310.0, 1 2005, 2005-05-25, 2005-05-24, 15200.00, 15600.00, 400.0, 1 2006, 2006-05-26, 2006-05-25, 13700.00, 14400.00, 700.0, 1 2007, 2007-05-17, 2007-05-16, 8150.00, 8400.00, 250.0, 1 2008, 2008-05-24, 2008-05-23, 21800.00, 22300.00, 500.0, 1 2009, 2009-05-28, 2009-05-27, 15300.00, 16300.00, 1000.0, 1 2010, 2010-06-11, 2010-06-10, 17000.00, 17400.00, 400.0, 1 2011, 2011-06-10, 2011-06-09, 26700.00, 27400.00, 700.0, 1 2012, 2012-04-30, 2012-04-29, 5360.00, 5980.00, 620.0, 1 2013, 2013-05-20, 2013-05-18, 9690.00, 10100.00, 410.0, 2 2014, 2014-06-02, 2014-06-01, 16500.00, 16900.00, 400.0, 1 2015, 2015-06-05, 2015-05-08, 10100.00, 10400.00, 300.0, 28 2016, 2016-05-19, 2016-05-18, 15600.00, 16200.00, 600.0, 1 2017, 2017-05-16, 2017-05-15, 10700.00, 11200.00, 500.0, 1 2018, 2018-05-14, 2018-05-13, 9180.00, 9630.00, 450.0, 1 2019, 2019-06-24, 2019-06-23, 15800.00, 16000.00, 200.0, 1 2020, 2020-05-06, 2020-05-05, 12800.00, 13800.00, 1000.0, 1 2021, 2021-05-26, 2021-05-24, 4930.00, 5310.00, 380.0, 2 2022, 2022-05-21, 2022-05-20, 11300.00, 12000.00, 700.0, 1 2023, 2023-05-19, 2023-05-18, 19900.00, 20100.00, 200.0, 1