YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1955 | 810.17 | e | 777.00 | 867.48 | a | 670.18 | b | 639.50 | 504.83 | a | 621.03 | a | 592.62 | a | 564.64 | b | 630.50 | 703.00 | 731.50 | 8112.46 | ||||||
1956 | 770.02 | c | 826.50 | 793.00 | 680.00 | c | 0.00 | z | 558.21 | b | 436.00 | k | 620.00 | 571.50 | 630.50 | 634.14 | a | 696.50 | 6780.37 | |||||||
1957 | 793.60 | a | 823.76 | c | 721.50 | 648.10 | a | 434.50 | h | 409.50 | f | 361.00 | i | 561.62 | a | 521.00 | 563.00 | 597.50 | 714.07 | b | 5944.15 | |||||
1958 | 681.00 | 535.50 | 714.50 | 560.50 | 512.00 | 427.50 | 538.00 | 538.00 | 485.50 | 551.50 | 575.50 | 706.00 | 6825.50 | |||||||||||||
1959 | 673.50 | 664.00 | 618.50 | 542.00 | 314.50 | m | 238.50 | m | 480.50 | a | 552.50 | 530.50 | 531.00 | 607.80 | e | 725.00 | 5925.30 | |||||||||
1960 | 709.50 | 706.00 | 786.00 | 680.19 | d | 576.94 | d | 530.00 | 550.00 | 511.50 | 482.00 | 615.00 | 641.00 | 731.50 | 7519.64 | |||||||||||
1961 | 701.50 | 641.41 | a | 676.50 | 616.50 | 659.50 | 476.00 | 526.00 | 523.50 | 557.59 | a | 646.00 | 694.00 | 755.00 | 7473.49 | |||||||||||
1962 | 746.00 | 745.00 | 815.50 | 659.50 | 687.50 | 545.50 | 520.50 | 269.00 | o | 539.44 | c | 561.00 | 628.00 | 462.50 | j | 6447.94 | ||||||||||
1963 | 762.17 | b | 615.00 | 781.00 | 689.00 | 741.00 | 601.00 | 619.50 | 538.50 | 522.50 | 587.50 | 644.50 | 629.30 | a | 7730.97 | |||||||||||
1964 | 741.42 | a | 741.00 | 805.00 | 696.50 | 660.50 | 486.00 | 576.00 | 548.50 | 552.50 | 612.50 | 714.50 | 722.00 | 7856.42 | ||||||||||||
1965 | 726.50 | 824.00 | 790.50 | 692.00 | 658.50 | 531.50 | 588.00 | 574.50 | 571.50 | 597.00 | 630.00 | 723.00 | 7907.00 | |||||||||||||
1966 | 704.00 | 682.00 | 645.00 | 660.00 | 579.00 | 398.50 | 464.00 | 502.50 | 522.00 | 592.50 | 658.50 | 750.00 | 7158.00 | |||||||||||||
1967 | 800.00 | 606.00 | 733.50 | 716.00 | 668.50 | 547.00 | 533.50 | 553.00 | 521.50 | 607.00 | 689.00 | 764.00 | 7739.00 | |||||||||||||
1968 | 731.00 | 664.00 | 679.50 | 706.50 | 571.00 | 521.50 | 542.00 | 544.50 | 595.50 | 582.50 | 546.00 | 710.00 | 7394.00 | |||||||||||||
1969 | 800.46 | c | 657.50 | 780.17 | a | 648.00 | 555.50 | 467.00 | 420.50 | f | 578.00 | 487.50 | 561.50 | 609.50 | 668.00 | 6813.13 | ||||||||||
1970 | 737.00 | 640.50 | 711.00 | 759.50 | 656.00 | 478.50 | 584.50 | 554.00 | 553.50 | 602.00 | 687.00 | 841.00 | 7804.50 | |||||||||||||
1971 | 881.50 | 679.50 | 698.00 | 743.00 | 698.50 | 535.00 | 560.50 | 621.00 | 606.00 | 580.50 | 685.50 | 803.50 | 8092.50 | |||||||||||||
1972 | 842.00 | 762.00 | 696.00 | 730.50 | 701.50 | 532.50 | 563.00 | 562.00 | 557.00 | 597.50 | 583.50 | 654.00 | 7781.50 | |||||||||||||
1973 | 621.50 | 633.00 | 816.50 | 598.50 | 649.50 | 405.00 | 528.50 | 520.00 | 493.00 | 560.21 | c | 683.50 | 760.50 | 7269.71 | ||||||||||||
1974 | 770.00 | 728.00 | 780.54 | c | 0.00 | z | 699.00 | 601.50 | 622.50 | 556.50 | 584.00 | 640.50 | 725.00 | 765.59 | c | 7473.12 | ||||||||||
1975 | 892.00 | 506.00 | i | 735.00 | 675.00 | 639.00 | 518.00 | 626.00 | 592.50 | 550.50 | 607.50 | 664.00 | 802.00 | 7301.50 | ||||||||||||
1976 | 877.00 | 808.50 | 877.00 | 755.00 | 702.50 | 528.50 | 570.50 | 572.00 | 618.00 | 636.00 | 0.00 | z | 722.00 | 7667.00 | ||||||||||||
1977 | 637.50 | 602.52 | a | 749.50 | 692.00 | 620.00 | d | 550.00 | 526.50 | 534.50 | 537.00 | 596.00 | 604.00 | 671.00 | 7320.52 | |||||||||||
1978 | 684.50 | 623.00 | 690.50 | 697.50 | 597.00 | 578.50 | 596.50 | 581.50 | 580.50 | 619.50 | 731.50 | 778.00 | 7758.50 | |||||||||||||
1979 | 853.61 | c | 567.00 | g | 778.50 | 651.43 | b | 587.00 | 544.00 | 543.50 | 542.00 | 528.50 | 593.65 | a | 600.58 | d | 619.00 | 6841.76 | ||||||||
1980 | 472.50 | j | 561.74 | b | 463.50 | l | 621.50 | 605.00 | 505.50 | 519.00 | 531.00 | 533.00 | 562.50 | 543.00 | 590.00 | 5572.24 | ||||||||||
1981 | 612.00 | 637.26 | a | 681.50 | 645.50 | 498.50 | 471.50 | 460.00 | 521.50 | 531.00 | 583.00 | 564.00 | 624.50 | 6830.26 | ||||||||||||
1982 | 711.50 | 654.64 | c | 772.50 | 632.00 | 580.50 | 479.00 | 519.00 | 560.50 | 580.50 | 530.50 | 506.00 | 625.00 | 7151.64 | ||||||||||||
1983 | 543.00 | 542.50 | 547.31 | b | 650.00 | 568.50 | 512.00 | 444.50 | 479.50 | 527.68 | b | 588.00 | 515.00 | c | 667.00 | 6584.99 | ||||||||||
1984 | 734.70 | a | 682.00 | 601.18 | c | 610.18 | b | 591.50 | 411.50 | 545.17 | b | 472.46 | d | 540.50 | 528.00 | 585.50 | 689.00 | 6991.69 | ||||||||
1985 | 639.50 | 643.50 | 754.00 | 678.00 | 613.50 | 498.00 | 501.50 | 504.00 | 485.50 | 539.50 | 565.50 | 611.00 | 7033.50 | |||||||||||||
1986 | 534.00 | 520.59 | a | 581.50 | 636.00 | 528.50 | 443.50 | 492.50 | 444.00 | 497.00 | 520.00 | 549.00 | 550.25 | a | 6296.84 | |||||||||||
1987 | 666.00 | 0.00 | z | 655.50 | 552.00 | 597.50 | 558.50 | 522.00 | 469.00 | 507.00 | 505.50 | 586.00 | 636.50 | 6255.50 | ||||||||||||
1988 | 676.50 | 684.00 | 691.30 | a | 646.00 | 553.00 | 449.50 | 532.00 | 495.50 | 471.00 | e | 584.00 | 624.23 | d | 738.50 | 7145.53 | ||||||||||
1989 | 827.50 | 708.50 | 696.00 | 765.00 | 703.00 | 510.50 | 541.50 | 510.00 | 491.00 | 579.18 | a | 572.00 | 665.47 | a | 7569.65 | |||||||||||
1990 | 692.50 | 685.48 | a | 680.50 | 555.54 | b | 535.00 | 426.00 | 593.65 | a | 500.50 | 557.68 | b | 581.00 | 580.50 | 711.50 | 7099.85 | |||||||||
1991 | 653.67 | b | 586.88 | c | 745.50 | 598.50 | 545.50 | 526.00 | 438.50 | 546.50 | 495.50 | 524.00 | 515.00 | 647.00 | 6822.55 | |||||||||||
1992 | 628.00 | 624.00 | 613.50 | 535.50 | 500.50 | 401.50 | 510.50 | 528.50 | 359.00 | i | 367.00 | i | 345.50 | k | 466.00 | i | 4342.00 | |||||||||
1993 | 423.00 | m | 433.50 | h | 508.00 | h | 379.50 | h | 373.50 | k | 289.00 | h | 332.50 | k | 301.50 | l | 409.50 | h | 383.50 | j | 399.00 | j | 420.00 | j | 0.00 | |
1994 | 447.00 | k | 445.00 | i | 480.00 | h | 396.50 | i | 370.00 | j | 355.50 | h | 311.50 | k | 366.00 | h | 350.50 | j | 340.50 | k | 401.00 | j | 377.00 | j | 0.00 | |
1995 | 356.50 | k | 435.00 | i | 404.50 | j | 364.50 | j | 376.00 | i | 286.00 | h | 303.50 | k | 378.00 | h | 276.50 | j | 348.00 | j | 399.50 | j | 388.50 | k | 0.00 | |
1996 | 434.00 | l | 462.00 | i | 471.50 | k | 395.00 | h | 332.00 | i | 338.50 | j | 383.00 | h | 343.50 | i | 313.50 | j | 375.50 | i | 369.00 | k | 448.50 | j | 0.00 | |
1997 | 443.50 | j | 417.50 | j | 517.50 | j | 450.50 | h | 391.50 | j | 340.00 | i | 331.50 | i | 282.50 | m | 368.00 | i | 376.00 | i | 352.00 | m | 419.50 | j | 0.00 | |
1998 | 356.50 | k | 341.50 | i | 413.50 | i | 425.00 | h | 359.00 | k | 298.50 | h | 351.50 | i | 353.00 | j | 358.00 | i | 364.00 | j | 385.50 | j | 448.50 | i | 0.00 | |
1999 | 440.00 | l | 465.50 | i | 517.00 | h | 532.00 | h | 355.50 | k | 329.00 | h | 325.00 | j | 329.50 | i | 370.00 | i | 326.50 | k | 398.50 | j | 451.50 | k | 0.00 | |
2000 | 516.50 | k | 419.50 | i | 501.50 | h | 385.50 | j | 366.00 | i | 341.00 | h | 319.50 | k | 360.50 | h | 331.50 | j | 399.50 | j | 413.50 | k | 414.00 | k | 0.00 | |
2001 | 407.50 | j | 447.50 | i | 492.00 | i | 445.50 | i | 414.00 | i | 383.00 | i | 341.00 | j | 363.50 | h | 307.50 | k | 388.50 | i | 348.50 | j | 380.00 | l | 0.00 | |
2002 | 446.00 | j | 388.00 | k | 515.00 | j | 539.00 | 438.00 | i | 298.50 | j | 311.50 | i | 333.00 | i | 312.50 | j | 384.00 | i | 289.00 | k | 405.50 | j | 539.00 | ||
2003 | 360.00 | k | 357.50 | i | 396.00 | j | 459.00 | h | 430.50 | i | 347.00 | i | 342.50 | i | 326.00 | j | 345.00 | i | 342.50 | i | 311.00 | l | 427.50 | j | 0.00 | |
2004 | 402.00 | l | 374.50 | j | 538.50 | h | 493.00 | h | 385.00 | k | 332.00 | i | 325.00 | k | 329.50 | i | 373.00 | i | 403.50 | k | 391.00 | k | 447.50 | j | 0.00 | |
2005 | 392.00 | m | 468.00 | i | 464.00 | h | 400.00 | i | 368.50 | j | 356.00 | h | 323.50 | k | 371.00 | h | 340.00 | i | 342.50 | k | 396.00 | j | 433.00 | j | 0.00 | |
2006 | 448.00 | k | 472.00 | i | 551.50 | h | 419.50 | j | 411.00 | i | 289.00 | i | 312.00 | k | 387.50 | h | 320.50 | j | 401.50 | i | 394.00 | j | 374.00 | k | 0.00 | |
2007 | 384.00 | k | 375.00 | k | 321.50 | o | 329.00 | m | 375.50 | i | 329.50 | i | 329.50 | j | 352.50 | j | 336.00 | l | 392.50 | h | 426.50 | j | 500.00 | k | 0.00 | |
2008 | 456.00 | m | 509.50 | i | 465.00 | j | 482.00 | i | 391.00 | k | 358.00 | i | 433.00 | i | 364.50 | j | 363.00 | i | 373.50 | i | 379.50 | l | 451.00 | j | 0.00 | |
2009 | 458.50 | l | 482.00 | i | 580.00 | i | 495.50 | h | 348.00 | k | 340.50 | h | 382.00 | i | 349.00 | j | 309.50 | i | 390.50 | i | 406.50 | k | 473.50 | i | 0.00 | |
2010 | 345.00 | l | 400.00 | i | 501.00 | h | 469.50 | h | 315.50 | k | 311.00 | i | 271.00 | k | 320.50 | i | 329.50 | i | 411.50 | j | 419.00 | j | 484.00 | j | 0.00 | |
2011 | 488.00 | k | 451.50 | i | 490.50 | h | 450.00 | i | 467.00 | j | 408.00 | h | 330.50 | k | 375.50 | h | 364.00 | i | 364.50 | j | 476.00 | j | 521.00 | j | 0.00 | |
2012 | 457.00 | k | 478.50 | i | 509.00 | j | 470.00 | i | 450.50 | i | 332.50 | l | 308.50 | l | 371.00 | j | 339.50 | k | 375.00 | h | 387.00 | k | 388.00 | m | 0.00 | |
2013 | 496.00 | j | 479.00 | i | 290.00 | s | 26.50 | 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 | 0.00 | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 726.12 | 671.91 | 723.26 | 653.48 | 613.71 | 501.64 | 540.02 | 538.87 | 536.50 | 581.83 | 617.87 | 699.95 | 7356.55 | |||||||||||||
S.D. | 88.66 | 81.35 | 76.59 | 62.55 | 65.16 | 54.97 | 49.32 | 40.08 | 37.43 | 36.24 | 62.23 | 65.31 | 472.57 | |||||||||||||
SKEW | -0.04 | 0.27 | -0.20 | -0.25 | 0.02 | -0.30 | -0.11 | -0.14 | 0.18 | -0.24 | 0.10 | -0.11 | -0.29 | |||||||||||||
MAX | 892.00 | 826.50 | 877.00 | 765.00 | 741.00 | 601.50 | 626.00 | 621.00 | 618.00 | 646.00 | 731.50 | 841.00 | 8112.46 | |||||||||||||
MIN | 534.00 | 520.59 | 547.31 | 535.50 | 498.50 | 398.50 | 438.50 | 444.00 | 471.00 | 505.50 | 506.00 | 550.25 | 6296.84 | |||||||||||||
NO YRS | 37 | 35 | 37 | 38 | 35 | 36 | 35 | 37 | 37 | 37 | 36 | 36 | 26 |