YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1953 | 481.50 | 364.50 | 411.00 | 472.00 | 554.00 | 622.00 | 871.50 | 805.00 | 745.50 | 728.50 | 592.50 | 463.50 | 7111.50 | |||||||||||||
1954 | 360.00 | 481.00 | 421.00 | 517.00 | 609.00 | 670.50 | 865.00 | 872.00 | 751.50 | 621.00 | 584.00 | 478.00 | 7230.00 | |||||||||||||
1955 | 375.00 | 326.00 | 475.50 | 445.00 | 571.00 | 650.50 | 774.50 | 872.00 | 821.50 | 621.00 | 473.00 | 435.00 | 6840.00 | |||||||||||||
1956 | 360.00 | 277.50 | 414.00 | 463.00 | 652.50 | 673.00 | 810.00 | 824.00 | 795.50 | 682.50 | 617.50 | 511.50 | 7081.00 | |||||||||||||
1957 | 422.00 | 455.00 | 470.50 | 508.45 | a | 601.00 | 758.50 | 841.50 | 913.00 | 745.34 | a | 553.00 | f | 492.00 | 525.00 | 6732.29 | ||||||||||
1958 | 474.50 | 475.48 | a | 427.50 | 576.50 | 672.00 | 731.50 | 813.50 | 905.00 | 836.00 | 840.00 | 531.00 | 517.00 | 7799.98 | ||||||||||||
1959 | 460.00 | 356.00 | 554.00 | 584.50 | 639.50 | 746.50 | 921.00 | 916.00 | 859.50 | 729.50 | 623.00 | 557.50 | 7947.00 | |||||||||||||
1960 | 365.00 | 399.50 | 492.50 | 548.50 | 657.50 | 676.50 | 829.50 | 841.50 | 824.50 | 671.50 | 517.50 | 415.00 | 7239.00 | |||||||||||||
1961 | 496.50 | 421.00 | 445.00 | 516.00 | 562.00 | 648.50 | 828.50 | 862.50 | 738.50 | 649.50 | 470.00 | 357.57 | b | 6995.57 | ||||||||||||
1962 | 432.50 | 334.50 | 346.50 | 500.50 | 569.00 | 628.89 | c | 0.00 | z | 930.52 | a | 830.00 | 717.00 | 557.00 | 453.93 | c | 6300.33 | |||||||||
1963 | 443.50 | 558.00 | 489.50 | 513.00 | 721.00 | 741.00 | 853.50 | 919.50 | 950.50 | 804.50 | 590.00 | 527.00 | 8111.00 | |||||||||||||
1964 | 458.00 | 454.00 | 507.50 | 550.50 | 593.50 | 688.50 | 862.00 | 901.00 | 793.50 | 816.52 | c | 510.50 | 462.93 | a | 7598.45 | |||||||||||
1965 | 437.62 | a | 376.00 | 516.50 | 541.03 | a | 672.00 | 700.00 | 828.22 | a | 961.00 | a | 800.00 | 865.93 | a | 607.00 | 473.78 | a | 7779.08 | |||||||
1966 | 386.98 | a | 378.52 | a | 507.50 | 630.50 | 732.63 | a | 824.00 | 905.50 | 1011.63 | a | 873.62 | a | 805.48 | a | 629.00 | 516.50 | 8201.87 | |||||||
1967 | 420.50 | 456.30 | a | 550.25 | a | 439.14 | a | 677.00 | 694.14 | a | 914.50 | a | 1015.25 | a | 970.34 | a | 839.77 | c | 691.03 | a | 432.00 | 8100.22 | ||||
1968 | 471.20 | a | 511.12 | a | 397.50 | j | 586.55 | a | 665.00 | 719.50 | 880.92 | a | 893.00 | 830.40 | e | 721.27 | a | 556.50 | 379.50 | 7214.96 | ||||||
1969 | 492.50 | 386.50 | 472.00 | 595.34 | a | 720.20 | c | 787.50 | 921.22 | a | 983.22 | a | 852.41 | a | 683.03 | a | 631.50 | 503.75 | a | 8029.17 | ||||||
1970 | 448.50 | 498.81 | a | 562.65 | a | 536.00 | 713.50 | 768.50 | 909.33 | a | 991.00 | 874.00 | 763.63 | a | 573.00 | 433.50 | 8072.43 | |||||||||
1971 | 423.50 | 396.50 | 485.15 | a | 540.50 | 628.27 | a | 729.00 | 896.50 | 1040.50 | 870.54 | b | 718.50 | 490.00 | 350.50 | 7569.45 | ||||||||||
1972 | 353.00 | 404.33 | c | 536.50 | 559.66 | a | 695.90 | b | 805.34 | a | 738.50 | f | 982.70 | a | 862.50 | 773.97 | a | 537.78 | c | 450.50 | 6962.17 | |||||
1973 | 414.88 | a | 462.52 | a | 470.68 | a | 560.36 | b | 516.00 | f | 621.50 | g | 867.47 | b | 907.55 | b | 804.00 | 748.43 | c | 511.67 | c | 484.24 | b | 6231.80 | ||
1974 | 424.59 | c | 422.69 | b | 500.28 | b | 544.00 | 667.50 | 779.48 | a | 932.50 | 901.50 | 860.56 | c | 736.50 | 602.50 | 458.50 | 7830.60 | ||||||||
1975 | 468.00 | 321.00 | 397.50 | 430.50 | 529.00 | 564.00 | 749.00 | 774.50 | 884.50 | 735.50 | 555.00 | 421.60 | a | 6830.10 | ||||||||||||
1976 | 507.07 | c | 435.00 | 520.00 | 499.82 | b | 602.50 | 733.50 | 829.50 | 827.50 | 834.50 | 825.12 | a | 797.59 | a | 562.00 | 7974.10 | |||||||||
1977 | 435.50 | 530.96 | a | 471.95 | b | 509.50 | 578.50 | 688.50 | 864.50 | 990.00 | 841.50 | 783.50 | 563.50 | 534.50 | 7792.41 | |||||||||||
1978 | 484.50 | 415.00 | 596.00 | 512.50 | 669.08 | a | 726.72 | a | 764.00 | 821.50 | 842.00 | 780.50 | 490.00 | 0.00 | z | 7101.81 | ||||||||||
1979 | 382.50 | 304.50 | 455.50 | 0.00 | z | 660.00 | 0.00 | z | 0.00 | z | 912.00 | 912.50 | 732.12 | a | 535.50 | 491.50 | 5386.12 | |||||||||
1980 | 525.00 | 534.00 | 543.02 | a | 577.00 | 598.82 | a | 697.00 | 854.05 | a | 927.93 | a | 771.50 | 710.00 | 566.50 | 512.50 | 7817.32 | |||||||||
1981 | 509.00 | 505.50 | 547.50 | 599.50 | 727.50 | 883.00 | 947.50 | 935.00 | 851.90 | a | 701.00 | 550.00 | 475.50 | 8232.90 | ||||||||||||
1982 | 422.00 | 488.50 | 504.50 | 559.00 | 699.50 | 693.00 | 836.00 | 905.50 | 851.00 | 755.50 | 538.50 | 415.00 | 7668.00 | |||||||||||||
1983 | 511.00 | 463.50 | 565.50 | 520.00 | 660.50 | 745.00 | 847.00 | 1012.48 | c | 939.00 | 893.50 | 596.50 | 517.00 | 8270.98 | ||||||||||||
1984 | 552.00 | 451.00 | 547.50 | 578.50 | 716.00 | 773.00 | 1016.00 | 1023.00 | 1032.50 | 759.50 | 510.00 | 414.50 | 8373.50 | |||||||||||||
1985 | 417.00 | 356.50 | 380.00 | 523.97 | a | 590.00 | 661.00 | 905.00 | 829.50 | 758.50 | 752.00 | 486.00 | 457.50 | 7116.97 | ||||||||||||
1986 | 557.00 | 420.00 | 508.00 | 538.00 | 617.50 | 708.50 | 774.50 | 807.50 | 688.50 | 671.00 | 591.50 | 0.00 | z | 6882.00 | ||||||||||||
1987 | 362.50 | 393.50 | 453.50 | 560.00 | 665.50 | 672.00 | 732.00 | 782.00 | 768.50 | 798.00 | 568.93 | b | 348.00 | 7104.43 | ||||||||||||
1988 | 407.00 | 456.00 | 539.50 | 516.50 | 606.00 | 608.00 | 837.00 | 822.05 | c | 754.00 | 703.00 | 487.00 | 418.00 | 7154.05 | ||||||||||||
1989 | 373.50 | 349.00 | 433.50 | 625.50 | 598.50 | 644.00 | 802.50 | 821.00 | 732.00 | 682.00 | 589.14 | a | 476.50 | 7127.14 | ||||||||||||
1990 | 421.00 | 298.50 | 265.50 | l | 562.50 | 635.00 | 737.50 | 877.00 | 851.50 | 0.00 | z | 744.00 | 575.00 | 444.00 | 6146.00 | |||||||||||
1991 | 427.00 | 396.00 | 396.50 | 496.50 | 563.50 | 616.00 | 0.00 | z | 799.50 | 0.00 | z | 764.50 | 567.00 | 465.50 | 5492.00 | |||||||||||
1992 | 446.50 | 0.00 | z | 522.00 | 663.00 | 754.50 | 688.00 | 857.00 | 924.00 | 776.00 | 732.50 | 575.50 | 421.50 | 7360.50 | ||||||||||||
1993 | 444.33 | a | 424.00 | 539.50 | 561.50 | 672.50 | 745.50 | 819.00 | 834.00 | 736.50 | 709.00 | 563.50 | 483.50 | 7532.83 | ||||||||||||
1994 | 438.00 | 379.00 | 0.00 | z | 531.00 | 0.00 | z | 722.50 | 821.50 | 917.50 | 807.00 | 712.50 | 403.00 | 374.50 | 6106.50 | |||||||||||
1995 | 451.00 | 481.50 | 528.50 | 503.50 | 572.50 | 642.00 | 750.50 | 806.00 | 805.00 | 702.00 | 560.00 | 455.00 | 7257.50 | |||||||||||||
1996 | 469.50 | 459.50 | 479.00 | 580.00 | 706.50 | 0.00 | z | 805.00 | 878.00 | 811.00 | 641.50 | 557.07 | a | 459.00 | 6846.07 | |||||||||||
1997 | 477.00 | 396.50 | 508.50 | 542.00 | 760.00 | 0.00 | z | 801.00 | 908.00 | 897.00 | 789.00 | 609.00 | 501.50 | 7189.50 | ||||||||||||
1998 | 0.00 | z | 405.00 | 496.00 | 459.50 | 607.00 | 677.00 | 796.50 | 884.50 | 829.00 | 682.00 | 0.00 | z | 410.00 | 6246.50 | |||||||||||
1999 | 390.60 | a | 326.08 | d | 354.50 | 432.41 | a | 450.00 | f | 601.00 | 656.50 | f | 534.50 | i | 705.50 | 680.00 | 518.50 | 481.61 | c | 4490.20 | ||||||
2000 | 428.00 | 470.50 | 450.50 | 549.81 | d | 655.00 | 731.50 | 795.15 | a | 891.25 | a | 793.97 | a | 690.50 | 437.07 | a | 434.00 | a | 7327.24 | |||||||
2001 | 365.28 | a | 335.00 | 489.69 | d | 471.72 | a | 640.27 | e | 708.21 | b | 796.24 | d | 828.45 | b | 733.80 | e | 678.90 | a | 516.72 | a | 368.12 | c | 6932.41 | ||
2002 | 371.50 | 391.50 | 410.00 | 481.50 | 586.00 | 665.00 | 791.00 | 0.00 | z | 779.50 | 643.50 | 598.00 | 410.50 | 6128.00 | ||||||||||||
2003 | 570.00 | 429.00 | 498.50 | 467.50 | 570.00 | 671.50 | 841.50 | 867.00 | 779.00 | 751.50 | 528.00 | 414.50 | 7388.00 | |||||||||||||
2004 | 402.50 | 371.00 | 547.00 | 586.00 | 709.00 | 714.50 | 826.00 | 666.00 | f | 671.50 | f | 681.50 | 381.00 | g | 356.00 | f | 4837.50 | |||||||||
2005 | 497.72 | d | 462.00 | 503.15 | e | 389.50 | g | 651.50 | 676.50 | 814.50 | 825.50 | 721.50 | 540.00 | g | 443.00 | g | 390.00 | f | 5152.38 | |||||||
2006 | 454.00 | 383.00 | 0.00 | z | 495.00 | 497.00 | g | 389.50 | o | 266.50 | v | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1332.00 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 440.93 | 415.62 | 484.86 | 531.96 | 643.52 | 702.80 | 843.27 | 893.12 | 818.55 | 733.79 | 556.44 | 456.20 | 7571.65 | |||||||||||||
S.D. | 53.60 | 64.64 | 57.29 | 51.66 | 57.96 | 60.70 | 56.76 | 69.42 | 70.25 | 61.92 | 64.12 | 52.88 | 463.13 | |||||||||||||
SKEW | 0.35 | 0.01 | -0.51 | 0.05 | 0.09 | 0.36 | 0.52 | 0.34 | 0.65 | 0.42 | 0.77 | -0.14 | 0.04 | |||||||||||||
MAX | 570.00 | 558.00 | 596.00 | 663.00 | 760.00 | 883.00 | 1016.00 | 1040.50 | 1032.50 | 893.50 | 797.59 | 562.00 | 8373.50 | |||||||||||||
MIN | 353.00 | 277.50 | 346.50 | 430.50 | 529.00 | 564.00 | 732.00 | 774.50 | 688.50 | 621.00 | 403.00 | 348.00 | 6830.10 | |||||||||||||
NO YRS | 53 | 53 | 50 | 52 | 50 | 49 | 48 | 50 | 50 | 51 | 50 | 49 | 34 |