YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1935 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 451.50 | 614.00 | 684.00 | 733.00 | 634.50 | 338.00 | 55.00 | c | 52.00 | 3562.00 | ||||||||
1936 | 73.50 | 21.50 | 109.50 | 377.00 | 539.00 | 633.50 | 739.00 | 796.50 | 572.50 | 435.00 | 77.00 | 90.00 | 4464.00 | |||||||||||||
1937 | 0.00 | 41.50 | 226.00 | 206.50 | 474.50 | 644.00 | 740.00 | 695.00 | 604.00 | 397.00 | 186.00 | 72.00 | 4286.50 | |||||||||||||
1938 | 35.50 | 53.50 | 104.00 | 318.00 | 473.00 | 607.50 | 721.00 | 617.00 | 619.00 | 382.50 | 83.50 | 83.00 | 4097.50 | |||||||||||||
1939 | 68.00 | 23.00 | 171.50 | 350.00 | 484.50 | 512.50 | 726.00 | 764.50 | 610.50 | 391.50 | 179.00 | 162.00 | 4443.00 | |||||||||||||
1940 | 59.00 | 119.50 | 267.50 | 351.50 | 578.00 | 681.00 | 719.50 | 780.50 | 656.50 | 463.00 | 70.50 | 109.00 | 4855.50 | |||||||||||||
1941 | 68.00 | 138.50 | 325.00 | 364.00 | 476.00 | 593.50 | 839.50 | 742.50 | 529.50 | 394.50 | 201.00 | 81.00 | 4753.00 | |||||||||||||
1942 | 29.50 | 62.00 | 156.00 | 324.50 | 451.50 | 550.50 | 784.50 | 799.00 | 622.00 | 425.00 | 95.50 | 87.00 | 4387.00 | |||||||||||||
1943 | 11.50 | 104.00 | 131.00 | 345.00 | 379.50 | 530.00 | 697.00 | 688.00 | 688.00 | 396.50 | 150.00 | 46.00 | 4166.50 | |||||||||||||
1944 | 42.00 | 62.00 | 131.00 | 285.50 | 447.00 | 551.00 | 712.00 | 721.50 | 671.00 | 479.39 | c | 137.50 | 31.00 | 4270.89 | ||||||||||||
1945 | 99.50 | 87.00 | 104.00 | 213.00 | 484.00 | 567.00 | 757.95 | a | 726.00 | 559.50 | 417.00 | 135.50 | 88.00 | 4238.45 | ||||||||||||
1946 | 57.50 | 63.00 | 167.50 | 251.00 | 522.50 | 534.50 | 721.50 | 722.00 | 584.50 | 290.00 | 75.50 | 104.50 | 4094.00 | |||||||||||||
1947 | 33.00 | 142.50 | 268.50 | 374.50 | 558.50 | 556.00 | 687.00 | 687.50 | 618.50 | 422.50 | 172.50 | 66.50 | 4587.50 | |||||||||||||
1948 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 677.50 | 629.50 | 559.50 | 307.00 | 69.00 | 6.50 | 2249.00 | |||||||
1949 | 0.00 | 43.50 | 146.73 | a | 289.50 | 480.00 | 528.00 | 661.85 | a | 706.00 | 666.00 | 266.50 | 258.00 | 48.05 | a | 4094.13 | ||||||||||
1950 | 1.50 | 57.50 | 101.00 | 224.50 | 382.00 | 600.50 | 717.00 | 784.50 | 616.50 | 316.50 | 166.00 | 177.50 | 4145.00 | |||||||||||||
1951 | 38.00 | 77.00 | 79.50 | 351.50 | 475.00 | 646.00 | 724.00 | 725.00 | 618.50 | 384.00 | 128.50 | 30.00 | 4277.00 | |||||||||||||
1952 | 27.50 | 63.50 | 93.50 | 308.00 | 462.00 | 532.00 | 746.07 | a | 715.50 | 677.50 | 544.50 | 110.50 | 41.00 | 4321.57 | ||||||||||||
1953 | 172.50 | 65.50 | 145.00 | 238.00 | 413.50 | 488.00 | 730.50 | 747.00 | 634.00 | 420.00 | 219.00 | 88.00 | 4361.00 | |||||||||||||
1954 | 19.50 | 65.00 | 102.50 | 215.50 | 442.00 | 474.00 | 619.00 | 646.00 | 573.50 | 360.50 | 252.50 | 46.50 | 3816.50 | |||||||||||||
1955 | 21.50 | 36.00 | 52.50 | 129.50 | 345.00 | 522.00 | 601.50 | 696.00 | 578.00 | 361.00 | 119.00 | 53.00 | 3515.00 | |||||||||||||
1956 | 48.50 | 6.50 | 114.50 | 338.00 | 530.00 | 487.50 | 768.50 | 731.60 | a | 600.50 | 306.50 | 109.00 | 78.50 | 4119.60 | ||||||||||||
1957 | 3.50 | 58.50 | 163.50 | 311.00 | 523.50 | 591.00 | 704.00 | 696.50 | 737.00 | 390.50 | 101.50 | 89.00 | 4369.50 | |||||||||||||
1958 | 102.00 | 221.50 | 135.00 | 293.50 | 582.50 | 693.00 | 852.00 | 826.00 | 619.50 | 469.50 | 179.00 | 138.50 | 5112.00 | |||||||||||||
1959 | 94.50 | 63.50 | 152.00 | 309.00 | 426.50 | 570.00 | 760.00 | 692.50 | 533.00 | 399.50 | 143.00 | 47.50 | 4191.00 | |||||||||||||
1960 | 36.50 | 82.50 | 159.00 | 285.50 | 365.50 | 593.00 | 755.50 | 679.50 | 597.00 | 411.00 | 141.00 | 33.50 | 4139.50 | |||||||||||||
1961 | 130.50 | 130.00 | 177.00 | 222.50 | 445.00 | 659.50 | 775.50 | 797.50 | 560.00 | 348.00 | 73.50 | 64.00 | 4383.00 | |||||||||||||
1962 | 44.00 | 120.50 | 111.00 | 293.00 | 305.50 | 521.00 | 660.50 | 697.50 | 615.00 | 414.00 | 209.50 | 92.00 | 4083.50 | |||||||||||||
1963 | 23.00 | 206.00 | 138.50 | 248.00 | 456.00 | 520.50 | 640.50 | 715.00 | 688.50 | 436.00 | 170.50 | 65.00 | 4307.50 | |||||||||||||
1964 | 52.50 | 59.00 | 132.00 | 186.50 | 344.50 | 510.50 | 662.00 | 667.00 | 565.50 | 394.50 | 100.00 | 42.50 | 3716.50 | |||||||||||||
1965 | 48.00 | 83.00 | 212.50 | 302.00 | 350.50 | 530.50 | 723.00 | 749.50 | 575.50 | 470.00 | 223.00 | 68.50 | 4336.00 | |||||||||||||
1966 | 43.50 | 61.50 | 165.50 | 234.00 | f | 432.00 | 554.00 | 680.00 | 746.00 | 654.00 | 391.50 | 189.00 | 116.00 | 4033.00 | ||||||||||||
1967 | 95.50 | 87.00 | 90.00 | 153.50 | 441.50 | 650.50 | 732.50 | 882.50 | 729.00 | 426.50 | 186.00 | 68.50 | 4543.00 | |||||||||||||
1968 | 77.00 | 185.50 | 232.00 | 221.00 | 443.00 | 563.00 | 752.50 | 683.50 | 611.50 | 340.00 | 158.50 | 34.00 | 4301.50 | |||||||||||||
1969 | 2.00 | g | 20.00 | 181.50 | 257.50 | 529.50 | 667.50 | 693.00 | 688.50 | 600.00 | 346.00 | 170.50 | 67.00 | 4221.00 | ||||||||||||
1970 | 83.50 | 150.50 | 181.00 | 182.50 | 436.50 | 622.50 | 713.50 | 715.00 | 532.00 | 321.37 | a | 172.50 | 30.00 | 4140.87 | ||||||||||||
1971 | 63.50 | 77.50 | 90.50 | 222.50 | 432.50 | 443.50 | 693.50 | 801.50 | 548.50 | 328.50 | 147.50 | 18.00 | 3867.50 | |||||||||||||
1972 | 39.50 | 98.00 | 200.50 | 158.50 | 535.50 | 572.50 | 771.50 | 807.50 | 551.54 | d | 336.35 | a | 161.00 | 94.00 | 4326.39 | |||||||||||
1973 | 44.00 | 109.00 | 168.00 | 287.50 | 463.40 | b | 541.50 | 713.00 | 454.00 | i | 627.00 | 368.26 | b | 69.64 | b | 115.50 | 3506.80 | |||||||||
1974 | 84.50 | 52.50 | 175.50 | 267.78 | c | 354.00 | 563.50 | 687.00 | 753.00 | 732.00 | 400.50 | 200.00 | 121.50 | 4391.78 | ||||||||||||
1975 | 80.00 | 65.50 | 111.00 | 173.50 | 438.50 | 499.00 | 696.50 | 653.00 | 649.00 | 340.50 | 142.00 | 87.26 | d | 3935.76 | ||||||||||||
1976 | 74.00 | 47.80 | b | 112.12 | a | 246.00 | 429.50 | 506.90 | a | 686.00 | 666.50 | 649.14 | a | 401.97 | a | 219.83 | a | 44.20 | d | 4083.95 | ||||||
1977 | 49.50 | 132.00 | 113.00 | 323.00 | 341.57 | d | 598.50 | 648.00 | 807.50 | 561.96 | b | 378.00 | 145.71 | b | 95.50 | 4194.25 | ||||||||||
1978 | 94.00 | 168.56 | c | 256.00 | 279.83 | a | 415.00 | 647.50 | 758.43 | b | 727.43 | b | 569.00 | 427.50 | 81.00 | 33.00 | 4457.25 | |||||||||
1979 | 6.00 | 71.00 | 270.50 | 295.50 | 507.50 | 575.36 | b | 767.00 | 741.50 | 701.50 | 479.50 | 110.00 | 131.00 | 4656.36 | ||||||||||||
1980 | 18.00 | 134.50 | 153.93 | b | 354.50 | 433.00 | 510.50 | 733.00 | 670.50 | 611.00 | 430.50 | 207.50 | 156.50 | 4413.43 | ||||||||||||
1981 | 97.50 | 132.00 | 267.24 | b | 296.50 | 428.00 | 528.50 | 675.50 | 817.50 | 627.50 | 361.50 | 206.00 | 92.50 | 4530.24 | ||||||||||||
1982 | 61.00 | 112.00 | 150.00 | 188.50 | 437.00 | 606.00 | 644.00 | 715.00 | 635.50 | 430.50 | 101.50 | 48.00 | 4129.00 | |||||||||||||
1983 | 123.50 | 158.00 | 261.50 | 307.00 | 483.00 | 538.00 | 670.50 | 747.50 | 521.00 | 363.50 | 183.00 | 29.00 | 4385.50 | |||||||||||||
1984 | 116.00 | 113.00 | 254.00 | 209.00 | 362.00 | 496.00 | 684.50 | 700.50 | 576.00 | 302.50 | 115.00 | 8.00 | 3936.50 | |||||||||||||
1985 | 4.50 | 48.00 | 106.00 | 290.50 | 467.50 | 607.50 | 841.00 | 741.50 | 530.50 | 324.00 | 72.00 | 5.50 | 4038.50 | |||||||||||||
1986 | 89.50 | 127.56 | a | 292.00 | 243.10 | a | 447.50 | 658.50 | 652.00 | 833.00 | 551.00 | 431.00 | 180.50 | 0.00 | z | 4505.66 | ||||||||||
1987 | 61.50 | 135.50 | 219.00 | 335.50 | 539.00 | 597.50 | 717.50 | 767.50 | 643.50 | 450.50 | 234.50 | 70.00 | 4771.50 | |||||||||||||
1988 | 33.00 | 132.50 | 179.00 | 308.50 | 418.00 | 535.00 | 727.00 | 719.00 | 579.00 | 483.50 | 160.50 | 66.00 | 4341.00 | |||||||||||||
1989 | 64.50 | 21.00 | 153.00 | 373.50 | 453.00 | 638.50 | 677.50 | 718.00 | 646.00 | 393.00 | 200.00 | 88.00 | 4426.00 | |||||||||||||
1990 | 82.00 | 55.50 | 244.00 | 351.50 | 425.50 | 578.00 | 806.00 | 808.50 | 688.50 | 311.50 | 160.50 | 27.00 | 4538.50 | |||||||||||||
1991 | 57.50 | 201.00 | 109.50 | 237.00 | 387.50 | 499.00 | 733.50 | 751.00 | 662.50 | 365.00 | 172.50 | 84.00 | 4260.00 | |||||||||||||
1992 | 103.00 | 208.00 | 303.50 | 361.00 | 550.50 | 675.00 | 780.00 | 772.50 | 539.00 | 407.50 | 148.00 | 27.50 | 4875.50 | |||||||||||||
1993 | 38.50 | 40.00 | 219.00 | 281.50 | 562.00 | 570.50 | 641.00 | 742.00 | 615.00 | 427.50 | 43.00 | 76.50 | 4256.50 | |||||||||||||
1994 | 125.00 | 32.00 | 247.50 | 321.50 | 478.50 | 531.50 | 740.50 | 734.00 | 659.00 | 313.00 | 57.50 | 83.00 | 4323.00 | |||||||||||||
1995 | 107.00 | 178.00 | 165.00 | 231.50 | 509.50 | 583.50 | 764.00 | 676.00 | 691.50 | 347.50 | 257.00 | 83.00 | 4593.50 | |||||||||||||
1996 | 74.00 | 105.00 | 191.50 | 318.50 | 356.00 | 531.50 | 775.50 | 713.50 | 429.50 | 225.00 | 61.00 | 46.00 | 3827.00 | |||||||||||||
1997 | 74.50 | 75.00 | 157.50 | 240.00 | 535.50 | 552.50 | 703.50 | 796.50 | 645.50 | 335.00 | 207.00 | 26.00 | 4348.50 | |||||||||||||
1998 | 92.50 | 124.00 | 211.00 | 245.50 | 422.50 | 575.00 | 790.50 | 753.50 | 632.50 | 339.50 | 179.00 | 76.50 | 4442.00 | |||||||||||||
1999 | 62.50 | 55.00 | 111.50 | 201.00 | 335.00 | 489.50 | 641.00 | 720.00 | 558.00 | 330.50 | 214.50 | 88.00 | 3806.50 | |||||||||||||
2000 | 16.50 | 74.50 | 102.50 | 307.50 | 419.00 | 581.00 | 702.00 | 673.50 | 557.00 | 337.50 | 68.00 | 20.00 | 3859.00 | |||||||||||||
2001 | 34.00 | 27.50 | 150.00 | 190.00 | 414.50 | 493.00 | 649.00 | 708.50 | 569.50 | 316.00 | 172.50 | 31.50 | 3756.00 | |||||||||||||
2002 | 60.50 | 61.50 | 88.00 | 246.50 | 341.50 | 573.50 | 728.50 | 712.00 | 578.50 | 333.50 | 164.00 | 63.50 | 3951.50 | |||||||||||||
2003 | 111.00 | 41.50 | h | 192.50 | 233.00 | 404.00 | 622.00 | 763.00 | 732.00 | 619.00 | 469.50 | 87.00 | 57.00 | 4290.00 | ||||||||||||
2004 | 44.50 | 80.50 | 222.50 | 320.50 | 494.50 | 611.50 | 803.00 | 807.00 | 556.50 | 397.00 | 102.50 | 63.00 | 4503.00 | |||||||||||||
2005 | 108.50 | 52.50 | 231.00 | 283.00 | 520.00 | 540.00 | 729.50 | 774.50 | 511.00 | 396.50 | 79.50 | 67.50 | 4293.50 | |||||||||||||
2006 | 96.00 | 51.50 | 132.00 | 262.50 | 446.50 | 605.50 | 750.00 | 696.00 | 597.50 | 328.00 | 142.00 | 43.50 | 4151.00 | |||||||||||||
2007 | 27.50 | 96.00 | 210.50 | 245.50 | 409.50 | 519.00 | 757.50 | 713.50 | 533.00 | 288.50 | 115.50 | 46.00 | 3962.00 | |||||||||||||
2008 | 20.00 | 88.50 | 87.50 | 146.50 | 452.00 | 486.00 | 691.50 | 738.00 | 569.50 | 316.50 | 217.50 | 27.00 | 3840.50 | |||||||||||||
2009 | 24.00 | 36.50 | 72.00 | 229.00 | 422.00 | 606.00 | 796.50 | 719.00 | 607.00 | 322.50 | 145.00 | 30.50 | 4010.00 | |||||||||||||
2010 | 137.00 | 130.50 | 171.50 | 235.50 | 343.00 | 503.50 | 661.50 | 695.00 | 591.00 | 361.00 | 147.50 | 83.50 | 4060.50 | |||||||||||||
2011 | 80.50 | 36.50 | 109.00 | 127.50 | 320.50 | 514.00 | 657.50 | 724.00 | 655.00 | 365.50 | 79.00 | 30.50 | 3699.50 | |||||||||||||
2012 | 35.50 | 59.50 | 108.50 | 264.50 | 386.50 | 477.00 | 670.00 | 756.00 | 599.50 | 354.50 | 199.00 | 58.00 | 3968.50 | |||||||||||||
2013 | 22.00 | 73.00 | 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 | 0.00 | z | 95.00 | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 60.24 | 88.68 | 165.76 | 268.82 | 444.84 | 564.70 | 718.69 | 732.40 | 606.25 | 377.91 | 146.46 | 66.75 | 4241.25 | |||||||||||||
S.D. | 37.23 | 49.70 | 62.29 | 62.27 | 65.42 | 56.93 | 52.45 | 49.98 | 56.09 | 57.72 | 54.64 | 35.95 | 300.23 | |||||||||||||
SKEW | 0.46 | 0.79 | 0.53 | -0.26 | 0.01 | 0.28 | 0.25 | 0.38 | 0.01 | 0.18 | -0.01 | 0.74 | 0.20 | |||||||||||||
MAX | 172.50 | 221.50 | 325.00 | 377.00 | 582.50 | 693.00 | 852.00 | 882.50 | 737.00 | 544.50 | 258.00 | 177.50 | 5112.00 | |||||||||||||
MIN | 0.00 | 6.50 | 52.50 | 127.50 | 305.50 | 443.50 | 601.50 | 617.00 | 429.50 | 225.00 | 43.00 | 5.50 | 3515.00 | |||||||||||||
NO YRS | 76 | 76 | 76 | 75 | 77 | 77 | 78 | 77 | 78 | 78 | 78 | 77 | 71 |