YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1956 | 866.21 | e | 916.50 | 837.00 | 540.00 | 383.50 | 367.50 | 145.18 | a | 181.00 | 229.00 | 587.93 | b | 117.00 | x | 0.00 | z | 5053.83 | ||||||||
1957 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 79.50 | t | 241.00 | 126.00 | 502.50 | 659.50 | 755.00 | 2284.00 | ||||||
1958 | 688.00 | 561.04 | a | 795.50 | 629.00 | 285.00 | 247.00 | 83.50 | 67.50 | 290.00 | 343.50 | 670.50 | 640.50 | 5301.04 | ||||||||||||
1959 | 816.00 | 795.00 | 789.00 | 616.50 | 551.50 | 336.50 | 179.50 | 224.00 | 383.00 | 468.00 | 596.50 | 766.50 | 6522.00 | |||||||||||||
1960 | 913.00 | 798.00 | 711.00 | 610.00 | 575.00 | 266.50 | 136.50 | 269.50 | 233.50 | 432.50 | 702.50 | 718.50 | 6366.50 | |||||||||||||
1961 | 651.50 | 685.00 | 763.50 | 661.50 | 507.00 | 207.00 | 134.50 | 94.00 | 374.00 | 499.50 | 729.00 | 860.00 | 6166.50 | |||||||||||||
1962 | 893.46 | c | 724.50 | 825.50 | 564.31 | a | 629.00 | 326.00 | 208.22 | a | 215.00 | 226.03 | a | 441.50 | 631.50 | 655.50 | 6340.53 | |||||||||
1963 | 945.00 | 499.50 | 781.50 | 730.34 | a | 451.64 | b | 396.72 | a | 307.50 | 180.50 | 159.00 | 472.00 | 672.00 | 698.50 | 6294.21 | ||||||||||
1964 | 882.00 | 764.50 | 828.00 | 725.50 | 572.50 | 353.00 | 232.00 | 269.00 | 343.00 | 372.00 | 758.79 | a | 937.00 | 7037.29 | ||||||||||||
1965 | 785.00 | 724.50 | 675.50 | 597.00 | 583.00 | 340.00 | 148.00 | 160.50 | 342.00 | 325.50 | 610.00 | 911.00 | 6202.00 | |||||||||||||
1966 | 859.00 | 776.00 | 761.50 | 577.00 | 462.50 | 345.00 | 246.50 | 186.00 | 244.50 | 483.00 | 639.50 | 795.50 | 6376.00 | |||||||||||||
1967 | 814.00 | 717.00 | 856.00 | 779.00 | 464.50 | 210.50 | 142.50 | 50.50 | 148.00 | 460.50 | 595.50 | 916.05 | a | 6154.05 | ||||||||||||
1968 | 855.50 | 555.50 | 671.00 | 698.50 | 496.00 | 336.00 | 149.50 | 215.89 | c | 271.00 | 530.50 | 643.33 | c | 939.50 | 6362.23 | |||||||||||
1969 | 1037.35 | d | 813.00 | 691.50 | 628.50 | 356.00 | 232.00 | 247.50 | 240.50 | 285.50 | 554.00 | 612.50 | 779.50 | 6477.85 | ||||||||||||
1970 | 817.50 | 588.00 | 749.00 | 769.00 | 485.00 | 261.00 | 161.50 | 188.50 | 348.50 | 496.50 | 694.50 | 934.00 | 6493.00 | |||||||||||||
1971 | 897.50 | 768.50 | 885.00 | 676.00 | 488.50 | 419.00 | 173.50 | 131.50 | 349.00 | 593.13 | a | 736.00 | 949.50 | 7067.13 | ||||||||||||
1972 | 983.00 | 730.00 | 676.00 | 762.00 | 440.72 | a | 328.00 | 112.00 | 132.50 | 354.00 | 500.00 | 681.50 | 966.00 | 6665.72 | ||||||||||||
1973 | 941.00 | 636.00 | 822.50 | 619.00 | 405.50 | 315.00 | 164.50 | 248.50 | 253.00 | 534.50 | 821.00 | 765.00 | 6525.50 | |||||||||||||
1974 | 983.00 | 777.50 | 771.50 | 661.50 | 585.50 | 281.00 | 225.00 | 159.50 | 124.50 | 385.95 | a | 647.50 | 817.00 | 6419.45 | ||||||||||||
1975 | 836.00 | 771.50 | 869.50 | 782.00 | 488.00 | 363.00 | 156.00 | 266.00 | 156.50 | 566.00 | 763.50 | 761.50 | 6779.50 | |||||||||||||
1976 | 764.00 | 797.50 | 851.50 | 660.00 | 494.89 | c | 410.00 | 190.50 | 234.50 | 213.00 | 428.00 | 511.50 | 714.00 | 6269.39 | ||||||||||||
1977 | 765.50 | 579.50 | 841.00 | 544.50 | 628.50 | 259.00 | 232.00 | 113.50 | 356.50 | 480.50 | 752.50 | 786.50 | 6339.50 | |||||||||||||
1978 | 762.50 | 657.50 | 609.00 | 663.50 | 537.00 | 244.50 | 197.00 | 213.50 | 343.50 | 412.96 | c | 799.14 | a | 1019.50 | 6459.60 | |||||||||||
1979 | 1017.50 | 801.50 | 653.50 | 631.50 | 440.50 | 295.18 | b | 162.75 | a | 191.50 | 180.50 | 393.50 | 655.00 | 692.00 | 6114.93 | |||||||||||
1980 | 948.50 | 616.50 | 816.00 | 547.50 | 532.68 | a | 418.50 | 191.50 | 251.50 | 242.00 | 398.35 | a | 619.50 | 661.50 | 6244.03 | |||||||||||
1981 | 638.50 | 664.00 | 699.50 | 607.50 | 517.00 | 362.50 | 207.00 | 111.00 | 278.57 | b | 497.00 | 639.50 | 820.00 | 6042.07 | ||||||||||||
1982 | 951.00 | 773.50 | 796.50 | 716.50 | 498.00 | 259.00 | 213.00 | 168.50 | 295.00 | 465.50 | 745.86 | a | 847.50 | 6729.86 | ||||||||||||
1983 | 707.00 | 636.50 | 696.00 | 623.00 | 415.50 | 354.00 | 244.50 | 150.00 | 332.00 | 454.00 | 727.00 | 1015.77 | a | 6355.27 | ||||||||||||
1984 | 745.00 | 704.50 | 677.00 | 712.50 | 546.50 | 367.50 | 172.50 | 156.50 | 283.00 | 617.00 | 767.00 | 975.50 | 6724.50 | |||||||||||||
1985 | 794.00 | 826.50 | 828.50 | 557.50 | 491.00 | 282.00 | 62.50 | 183.50 | 368.50 | 557.50 | 985.50 | 783.27 | a | 6720.27 | ||||||||||||
1986 | 679.42 | a | 723.50 | 600.00 | 676.00 | 489.50 | 197.50 | 247.50 | 62.00 | 387.00 | 332.00 | 662.00 | 769.00 | 5825.42 | ||||||||||||
1987 | 851.00 | 667.50 | 676.00 | 490.00 | 402.50 | 213.00 | 226.00 | 127.00 | 197.50 | 304.50 | 642.00 | 946.50 | 5743.50 | |||||||||||||
1988 | 895.00 | 638.50 | 740.50 | 581.50 | 511.50 | 327.00 | 163.50 | 151.00 | 230.50 | 315.00 | 724.50 | 790.50 | 6069.00 | |||||||||||||
1989 | 866.00 | 918.50 | 767.50 | 452.50 | 454.50 | 236.00 | 229.50 | 204.50 | 170.00 | 509.00 | 651.00 | 727.00 | 6186.00 | |||||||||||||
1990 | 842.00 | 811.50 | 668.50 | 487.00 | 513.50 | 305.00 | 114.50 | 139.00 | 164.00 | 567.00 | 723.00 | 1098.00 | 6433.00 | |||||||||||||
1991 | 833.50 | 502.50 | 800.50 | 671.00 | 580.00 | 403.00 | 104.50 | 107.00 | 140.50 | 411.00 | 658.00 | 769.50 | 5981.00 | |||||||||||||
1992 | 720.50 | 548.00 | 541.50 | 497.00 | 266.00 | 201.00 | 124.00 | 97.00 | 237.00 | 417.50 | 695.00 | 953.50 | 5298.00 | |||||||||||||
1993 | 990.00 | 808.00 | 638.00 | 636.00 | 355.00 | 348.00 | 294.50 | 169.50 | 160.50 | 351.00 | 820.50 | 844.00 | 6415.00 | |||||||||||||
1994 | 753.00 | 764.50 | 636.50 | 573.50 | 405.00 | 353.50 | 119.50 | 143.50 | 171.00 | 533.00 | 901.00 | 878.50 | 6232.50 | |||||||||||||
1995 | 778.50 | 617.00 | 736.00 | 630.00 | 407.00 | 317.50 | 129.50 | 200.50 | 172.00 | 519.00 | 564.00 | 795.15 | a | 5866.15 | ||||||||||||
1996 | 863.50 | 754.00 | 697.00 | 563.50 | 545.50 | 300.00 | 104.50 | 119.50 | 282.50 | 506.00 | 682.50 | 849.00 | 6267.50 | |||||||||||||
1997 | 841.00 | 731.50 | 753.50 | 629.00 | 293.00 | 310.00 | 149.50 | 76.50 | 186.00 | 543.00 | 598.00 | 845.00 | 5956.00 | |||||||||||||
1998 | 782.00 | 711.00 | 712.00 | 594.00 | 515.00 | 272.50 | 85.00 | 92.50 | 170.50 | 511.50 | 706.00 | 923.00 | 6075.00 | |||||||||||||
1999 | 841.00 | 787.50 | 820.50 | 625.00 | 570.73 | c | 336.00 | 157.50 | 104.00 | 186.00 | 411.00 | 581.50 | 804.50 | 6225.23 | ||||||||||||
2000 | 920.50 | 726.50 | 762.00 | 500.50 | 481.00 | 217.00 | 160.00 | 164.00 | 235.00 | 498.50 | 820.00 | 783.50 | 6268.50 | |||||||||||||
2001 | 781.50 | 746.50 | 702.50 | 667.00 | 386.00 | 358.00 | 174.00 | 111.50 | 175.00 | 495.00 | 0.00 | z | 0.00 | z | 4597.00 | |||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 839.91 | 713.68 | 744.02 | 625.87 | 477.50 | 308.40 | 173.56 | 164.44 | 247.77 | 466.90 | 693.11 | 833.14 | 6288.18 | |||||||||||||
S.D. | 96.89 | 98.86 | 80.32 | 80.48 | 86.30 | 62.57 | 55.26 | 59.23 | 79.46 | 78.89 | 90.14 | 107.07 | 362.51 | |||||||||||||
SKEW | -0.03 | -0.33 | -0.30 | 0.00 | -0.55 | -0.13 | 0.31 | 0.04 | 0.23 | -0.32 | 0.90 | 0.31 | -0.51 | |||||||||||||
MAX | 1037.35 | 918.50 | 885.00 | 782.00 | 629.00 | 419.00 | 307.50 | 269.50 | 387.00 | 617.00 | 985.50 | 1098.00 | 7067.13 | |||||||||||||
MIN | 638.50 | 499.50 | 541.50 | 452.50 | 266.00 | 197.50 | 62.50 | 50.50 | 124.50 | 304.50 | 511.50 | 640.50 | 5298.00 | |||||||||||||
NO YRS | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 46 | 46 | 46 | 44 | 44 | 43 |