YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 671.50 | 552.00 | 581.50 | 1805.00 | ||||
1950 | 567.96 | c | 523.00 | 553.50 | 556.00 | 594.50 | 621.50 | 691.50 | 726.00 | 695.69 | a | 684.50 | 640.00 | 572.00 | 7426.15 | |||||||||||
1951 | 562.50 | 487.76 | c | 593.00 | 554.00 | 389.50 | k | 645.00 | 708.00 | 709.50 | 702.50 | 682.00 | 574.00 | 548.50 | 6766.76 | |||||||||||
1952 | 501.00 | 513.50 | 520.00 | 514.66 | a | 576.50 | 615.00 | 710.00 | 709.00 | 640.50 | 705.50 | 607.00 | 565.50 | 7178.16 | ||||||||||||
1953 | 571.00 | 503.00 | 540.50 | 585.50 | 646.00 | 631.50 | 693.50 | 741.00 | 671.00 | 669.50 | 591.00 | 585.50 | 7429.00 | |||||||||||||
1954 | 551.00 | 518.00 | 560.00 | 637.00 | 652.50 | 674.00 | 702.50 | 736.00 | 686.00 | 698.00 | 655.50 | 547.50 | 7618.00 | |||||||||||||
1955 | 508.40 | a | 453.00 | 519.50 | 530.50 | 567.50 | 591.50 | 617.00 | 633.00 | 629.00 | 647.50 | 589.50 | 600.00 | 6886.40 | ||||||||||||
1956 | 602.50 | 494.50 | 0.00 | z | 569.50 | 614.00 | 610.50 | 692.50 | 729.00 | 685.50 | 705.00 | 623.00 | 614.50 | 6940.50 | ||||||||||||
1957 | 538.00 | 437.00 | 508.50 | 562.50 | 616.00 | 664.00 | 725.50 | 731.00 | 750.50 | 755.50 | 658.50 | 569.00 | 7516.00 | |||||||||||||
1958 | 531.00 | 508.00 | 520.50 | 557.00 | 618.00 | 654.00 | 722.00 | 761.00 | 698.50 | 690.00 | 642.50 | 579.50 | 7482.00 | |||||||||||||
1959 | 618.50 | 479.50 | 594.50 | 622.00 | 650.50 | 684.31 | a | 747.62 | a | 759.00 | 730.00 | 734.50 | 628.39 | b | 535.02 | b | 7783.84 | |||||||||
1960 | 510.50 | 514.00 | 594.50 | 576.00 | 659.00 | 663.50 | 714.50 | 735.00 | 700.50 | 724.00 | 583.00 | 585.90 | a | 7560.40 | ||||||||||||
1961 | 570.00 | 515.00 | 556.00 | 568.00 | 621.00 | 641.00 | 673.50 | 697.50 | 653.00 | 701.50 | 576.50 | 514.50 | 7287.50 | |||||||||||||
1962 | 551.00 | 495.00 | 530.00 | 605.50 | 611.00 | 640.00 | 676.50 | 682.00 | 651.00 | 652.50 | 567.50 | 561.50 | 7223.50 | |||||||||||||
1963 | 588.00 | 617.00 | 621.50 | 602.50 | 613.50 | 630.00 | 687.50 | 686.81 | b | 719.00 | 695.50 | 621.00 | 629.00 | 7711.31 | ||||||||||||
1964 | 562.50 | 491.50 | 548.00 | 540.00 | 582.00 | 682.50 | 704.50 | 694.50 | 661.00 | 661.00 | 598.50 | 637.50 | 7363.50 | |||||||||||||
1965 | 576.00 | 415.50 | 522.00 | 578.00 | 676.00 | 620.00 | 699.00 | 701.50 | 716.50 | 697.50 | 640.00 | 516.50 | 7358.50 | |||||||||||||
1966 | 529.00 | 478.00 | 584.50 | 554.00 | 668.00 | 646.50 | 683.00 | 733.50 | 712.50 | 707.00 | 628.50 | 606.00 | 7530.50 | |||||||||||||
1967 | 519.50 | 506.50 | 587.50 | 585.50 | 674.00 | 680.00 | 750.50 | 747.50 | 718.00 | 727.50 | 592.76 | a | 583.50 | 7672.76 | ||||||||||||
1968 | 549.22 | a | 567.05 | a | 605.53 | a | 597.00 | 679.50 | 665.50 | 729.50 | 739.00 | 724.50 | 741.00 | 673.50 | 608.50 | 7879.80 | ||||||||||
1969 | 520.00 | 477.50 | 528.50 | 524.00 | 632.83 | b | 674.50 | 714.00 | 717.13 | a | 670.00 | 712.50 | 614.00 | 608.50 | 7393.46 | |||||||||||
1970 | 615.50 | 485.50 | 545.50 | 561.43 | b | 666.50 | c | 658.50 | 685.00 | 714.60 | b | 679.14 | a | 696.50 | 636.00 | 525.00 | 7469.17 | |||||||||
1971 | 565.50 | 510.00 | 552.50 | 575.00 | 586.50 | 619.00 | 679.50 | 687.00 | 678.75 | b | 664.00 | 643.00 | 509.50 | 7270.25 | ||||||||||||
1972 | 505.30 | a | 372.50 | f | 616.26 | b | 538.97 | a | 605.03 | b | 641.25 | b | 668.00 | 732.50 | 695.17 | a | 721.00 | 600.50 | 574.00 | 6897.98 | ||||||
1973 | 562.00 | 431.00 | 529.50 | 514.50 | 561.00 | 613.50 | 704.00 | 703.70 | a | 667.50 | b | 668.05 | a | 613.93 | b | 608.12 | a | 7176.80 | ||||||||
1974 | 645.00 | 521.63 | a | 607.08 | a | 599.48 | a | 637.00 | 651.96 | b | 678.90 | a | 731.50 | 692.07 | a | 697.00 | 585.00 | 558.00 | 7604.63 | |||||||
1975 | 519.52 | b | 482.00 | 500.00 | 513.00 | 547.50 | 576.50 | 642.14 | c | 673.73 | a | 638.57 | b | 651.50 | 602.59 | a | 569.00 | 6916.05 | ||||||||
1976 | 548.00 | 462.00 | 547.50 | 495.50 | 566.00 | 575.50 | 647.38 | a | 690.27 | a | 705.00 | 682.00 | b | 593.79 | a | 570.18 | c | 7083.12 | ||||||||
1977 | 557.00 | 522.50 | 515.50 | 575.50 | 605.02 | a | 651.21 | a | 474.00 | j | 657.64 | c | 0.00 | z | 707.83 | a | 621.00 | 553.35 | a | 5966.55 | ||||||
1978 | 563.34 | b | 374.50 | f | 571.00 | 602.40 | e | 680.00 | 658.00 | 716.00 | 763.00 | 698.79 | a | 723.33 | a | 661.11 | c | 523.38 | a | 7160.37 | ||||||
1979 | 393.00 | g | 466.85 | b | 550.85 | e | 583.20 | e | 627.20 | c | 625.34 | a | 732.78 | b | 763.00 | 758.50 | 767.00 | 652.50 | 651.00 | a | 7178.21 | |||||
1980 | 589.00 | 613.30 | b | 554.50 | 634.62 | d | 685.00 | 657.00 | 742.00 | 738.50 | 734.00 | 725.00 | 661.50 | 658.50 | 7992.91 | |||||||||||
1981 | 606.00 | 530.00 | 565.50 | 600.50 | 661.85 | a | 703.00 | 737.00 | 780.00 | 737.00 | 698.02 | a | 628.50 | 567.00 | 7814.37 | |||||||||||
1982 | 552.00 | 554.30 | a | 555.86 | b | 580.00 | 620.52 | a | 714.00 | 756.00 | 775.00 | 705.00 | 713.50 | 656.50 | 624.00 | 7806.67 | ||||||||||
1983 | 574.61 | c | 520.59 | a | 568.85 | a | 544.14 | a | 589.50 | 633.33 | c | 678.50 | 708.87 | a | 699.50 | 664.50 | 660.52 | a | 627.00 | 7469.90 | ||||||
1984 | 604.00 | 571.00 | 661.33 | a | 609.00 | 676.50 | 664.00 | 732.50 | 716.00 | 717.41 | a | 773.00 | 647.00 | 588.50 | 7960.25 | |||||||||||
1985 | 564.41 | b | 534.33 | d | 507.76 | b | 532.24 | a | 329.00 | m | 671.38 | a | 742.50 | 775.50 | 724.50 | 715.00 | 651.50 | 618.50 | 7037.63 | |||||||
1986 | 600.37 | a | 566.46 | b | 698.02 | a | 601.07 | b | 686.43 | c | 673.85 | d | 766.98 | b | 820.43 | b | 775.56 | c | 758.97 | b | 676.00 | 625.68 | a | 8249.81 | ||
1987 | 567.96 | c | 495.70 | a | 435.50 | f | 579.11 | b | 586.13 | d | 686.79 | b | 732.00 | 782.48 | b | 778.89 | c | 738.00 | 650.00 | c | 643.00 | 7240.06 | ||||
1988 | 628.50 | 574.82 | a | 602.90 | b | 587.31 | d | 696.95 | c | 696.00 | 724.00 | 758.47 | a | 736.03 | a | 767.50 | 702.69 | d | 652.03 | a | 8127.20 | |||||
1989 | 568.85 | a | 526.00 | 628.27 | a | 601.55 | a | 664.00 | 696.92 | d | 727.97 | b | 752.50 | 694.00 | 761.71 | c | 655.18 | b | 607.82 | c | 7884.77 | |||||
1990 | 586.50 | 429.33 | d | 564.95 | b | 621.96 | b | 641.38 | b | 645.52 | a | 728.00 | 769.83 | a | 731.50 | 692.50 | 664.29 | b | 590.55 | a | 7666.31 | |||||
1991 | 573.00 | 578.00 | 542.50 | 591.00 | 666.50 | 662.07 | a | 730.64 | b | 793.60 | a | 755.00 | 747.10 | a | 709.04 | d | 610.50 | 7958.95 | ||||||||
1992 | 562.50 | 527.00 | 584.35 | a | 406.50 | i | 520.00 | i | 706.03 | a | 762.60 | a | 771.00 | 790.00 | 803.62 | e | 494.50 | i | 633.50 | 6140.60 | ||||||
1993 | 580.70 | c | 484.30 | a | 597.00 | 617.00 | 636.00 | 696.50 | 726.50 | 779.43 | c | 754.62 | d | 748.65 | a | 626.38 | a | 558.00 | a | 7805.07 | ||||||
1994 | 551.00 | 557.00 | 575.00 | 601.00 | 654.00 | 686.00 | 797.50 | 786.50 | 752.00 | 737.50 | 615.52 | a | 576.50 | 7889.52 | ||||||||||||
1995 | 574.02 | a | 541.33 | a | 630.50 | 612.50 | 654.50 | 672.00 | 728.00 | 746.07 | a | 722.00 | 715.50 | 686.50 | 661.00 | 7943.92 | ||||||||||
1996 | 612.77 | a | 522.00 | a | 586.50 | 665.00 | 735.50 | 731.50 | 752.50 | 775.00 | 729.50 | 765.50 | 679.00 | 606.50 | 8161.27 | |||||||||||
1997 | 611.73 | a | 531.50 | 617.00 | 604.00 | 684.00 | 704.50 | 760.50 | 768.00 | 755.00 | 749.00 | 647.00 | 572.50 | 8004.73 | ||||||||||||
1998 | 573.00 | 524.00 | 621.00 | 553.00 | 596.50 | 658.50 | 711.00 | 751.00 | 698.50 | 712.50 | 625.50 | 567.50 | 7592.00 | |||||||||||||
1999 | 576.08 | a | 486.50 | 544.00 | 555.00 | 646.87 | a | 637.50 | 698.00 | 709.68 | c | 661.55 | a | 709.50 | 604.00 | 592.62 | a | 7421.30 | ||||||||
2000 | 519.00 | 565.00 | 587.97 | a | 548.50 | 674.50 | 672.93 | a | 729.61 | c | 762.08 | a | 711.50 | 735.00 | 648.10 | a | 639.63 | a | 7793.83 | |||||||
2001 | 601.40 | a | 508.48 | c | 574.53 | a | 571.03 | a | 646.00 | 674.50 | 745.07 | b | 780.50 | 738.10 | a | 713.52 | a | 696.72 | a | 594.68 | a | 7844.54 | ||||
2002 | 609.50 | 481.70 | a | 594.34 | b | 668.50 | 703.04 | c | 687.86 | b | 760.07 | d | 769.66 | b | 698.79 | a | 746.77 | c | 379.50 | m | 129.00 | x | 6720.23 | |||
2003 | 272.50 | q | 247.00 | o | 639.38 | c | 580.18 | b | 685.50 | 695.69 | a | 770.00 | 770.00 | 719.00 | 749.50 | 638.00 | 645.83 | a | 6893.08 | |||||||
2004 | 437.50 | i | 608.44 | c | 647.68 | c | 622.00 | 728.50 | c | 696.00 | 752.27 | a | 792.00 | 752.50 | 755.00 | 677.59 | a | 619.48 | a | 7651.46 | ||||||
2005 | 631.62 | c | 521.92 | c | 636.00 | 605.50 | 735.45 | b | 683.79 | a | 763.00 | 747.74 | b | 748.97 | a | 691.00 | 660.00 | 655.13 | a | 8080.13 | ||||||
2006 | 596.23 | a | 505.62 | b | 604.00 | 561.21 | a | 616.00 | 686.00 | 746.00 | 771.50 | 710.00 | 753.30 | a | 717.50 | 638.08 | a | 7905.44 | ||||||||
2007 | 586.00 | 490.00 | b | 604.00 | 559.82 | b | 648.50 | 679.50 | 760.00 | 729.50 | 723.21 | b | 696.98 | a | 661.00 | 597.55 | b | 7736.07 | ||||||||
2008 | 528.60 | b | 532.00 | 611.22 | a | 624.11 | b | 737.80 | a | 670.00 | 748.28 | b | 737.00 | 684.64 | b | 702.00 | 660.00 | b | 604.50 | b | 7840.15 | |||||
2009 | 558.00 | a | 358.50 | g | 510.98 | a | 558.21 | b | 703.38 | b | 696.21 | a | 742.97 | a | 784.50 | 709.00 | 772.13 | d | 661.67 | c | 665.98 | a | 7363.03 | |||
2010 | 612.85 | e | 518.00 | a | 563.34 | b | 579.23 | d | 668.57 | a | 676.11 | c | 710.33 | b | 731.00 | 694.20 | e | 708.72 | b | 640.00 | 636.03 | b | 7738.39 | |||
2011 | 460.00 | h | 582.81 | a | 617.33 | b | 606.72 | a | 660.30 | a | 658.97 | a | 675.44 | e | 717.81 | b | 662.07 | a | 669.50 | 594.23 | d | 576.71 | b | 7021.89 | ||
2012 | 590.79 | e | 522.56 | c | 519.77 | a | 200.00 | r | 591.77 | c | 487.00 | f | 639.12 | a | 663.83 | b | 610.18 | b | 664.84 | c | 428.50 | f | 553.23 | e | 5356.07 | |
2013 | 531.81 | b | 434.54 | b | 522.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1488.85 | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 568.86 | 513.57 | 573.59 | 579.56 | 643.59 | 660.96 | 717.31 | 738.11 | 707.14 | 714.01 | 635.53 | 593.64 | 7635.59 | |||||||||||||
S.D. | 34.20 | 44.32 | 43.31 | 36.00 | 45.64 | 32.65 | 36.04 | 37.72 | 37.57 | 35.37 | 36.38 | 39.45 | 321.41 | |||||||||||||
SKEW | -0.03 | 0.15 | 0.38 | 0.04 | 0.02 | -0.53 | -0.48 | -0.44 | -0.20 | 0.16 | -0.05 | -0.14 | -0.34 | |||||||||||||
MAX | 645.00 | 617.00 | 698.02 | 668.50 | 737.80 | 731.50 | 797.50 | 820.43 | 790.00 | 803.62 | 717.50 | 665.98 | 8249.81 | |||||||||||||
MIN | 501.00 | 415.50 | 500.00 | 495.50 | 547.50 | 575.50 | 617.00 | 633.00 | 610.18 | 647.50 | 552.00 | 509.50 | 6886.40 | |||||||||||||
NO YRS | 60 | 60 | 62 | 61 | 60 | 62 | 62 | 63 | 62 | 64 | 61 | 63 | 48 |