YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1939 | 8.00 | k | 2.50 | 110.50 | 266.50 | 405.50 | 421.03 | a | 687.00 | 725.50 | 522.50 | 346.50 | 268.00 | 133.50 | 3889.03 | |||||||||||
1940 | 92.50 | 59.50 | 182.50 | 262.00 | 499.32 | c | 586.50 | 668.00 | 682.00 | 595.00 | 398.00 | 68.50 | 94.00 | 4187.82 | ||||||||||||
1941 | 107.50 | 138.50 | 279.00 | 306.00 | 388.50 | 494.00 | 796.00 | 666.50 | 433.00 | 322.00 | 183.50 | 47.53 | a | 4162.03 | ||||||||||||
1942 | 70.78 | a | 35.50 | 97.00 | 236.00 | 348.50 | 474.50 | 747.00 | 729.00 | 551.00 | 395.00 | 87.00 | 51.00 | 3822.28 | ||||||||||||
1943 | 13.50 | 115.00 | 83.50 | 268.00 | 294.50 | 428.50 | 656.00 | 607.00 | 582.00 | 322.50 | 177.50 | 48.00 | 3596.00 | |||||||||||||
1944 | 48.50 | 16.50 | 58.50 | 185.00 | 348.00 | 458.50 | 670.50 | 616.50 | 585.50 | 471.50 | 113.00 | 51.50 | 3623.50 | |||||||||||||
1945 | 55.50 | 40.50 | 47.00 | 100.50 | 413.00 | 441.50 | 713.50 | 662.00 | 451.00 | 364.50 | 78.50 | 55.00 | 3422.50 | |||||||||||||
1946 | 29.50 | 41.00 | 60.00 | 186.96 | b | 454.50 | 431.00 | 651.50 | 664.50 | 511.11 | c | 187.66 | c | 64.00 | 53.00 | 3334.74 | ||||||||||
1947 | 16.50 | 74.50 | 183.50 | 269.00 | 489.00 | 460.50 | 622.00 | 598.50 | 538.00 | 321.50 | 72.50 | 78.00 | 3723.50 | |||||||||||||
1948 | 21.00 | 11.00 | 51.50 | 107.00 | 305.87 | a | 573.50 | 570.00 | 579.50 | 455.50 | 304.00 | 37.50 | 2.00 | 3018.37 | ||||||||||||
1949 | 1.00 | 51.00 | 97.50 | 213.00 | 422.50 | 433.00 | 589.00 | 457.00 | g | 549.50 | 177.50 | 303.50 | 31.00 | 2868.50 | ||||||||||||
1950 | 10.00 | 29.50 | 35.50 | 123.00 | 280.50 | 475.56 | c | 668.00 | 718.00 | 532.50 | 235.08 | a | 96.21 | a | 120.00 | 3323.85 | ||||||||||
1951 | 15.00 | 43.50 | 33.58 | a | 252.50 | 352.00 | 547.50 | 697.00 | 642.00 | 589.14 | a | 313.00 | 121.00 | 10.33 | a | 3616.55 | ||||||||||
1952 | 21.00 | 41.50 | 44.00 | 228.00 | 368.00 | 397.00 | 698.53 | a | 681.00 | 604.00 | 489.00 | 114.00 | 50.50 | 3736.53 | ||||||||||||
1953 | 111.50 | 46.00 | 79.00 | 178.00 | 343.50 | 388.00 | 648.42 | a | 661.50 | 558.50 | 364.50 | 171.00 | 56.00 | 3605.92 | ||||||||||||
1954 | 18.00 | 79.00 | 48.00 | 104.48 | a | 368.00 | 370.00 | 514.17 | b | 523.00 | 466.00 | 295.00 | 251.50 | 56.00 | 3093.16 | |||||||||||
1955 | 11.50 | 4.00 | 11.00 | 74.00 | 234.50 | 432.50 | 508.50 | 583.26 | d | 456.00 | 304.00 | 76.00 | 33.00 | 2728.26 | ||||||||||||
1956 | 23.00 | 4.00 | 62.00 | 233.00 | 460.50 | 426.00 | 714.00 | 640.31 | b | 504.50 | 241.50 | 121.00 | 66.50 | 3496.31 | ||||||||||||
1957 | 7.00 | 35.50 | 80.00 | 198.00 | 453.50 | 521.00 | 589.00 | 573.00 | 651.50 | 299.50 | 90.50 | 68.50 | 3567.00 | |||||||||||||
1958 | 87.00 | 150.50 | 72.00 | 191.00 | 552.50 | 618.50 | 849.50 | 765.50 | 516.50 | 397.50 | 126.00 | 125.00 | 4451.50 | |||||||||||||
1959 | 72.50 | 10.00 | 64.00 | 212.00 | 312.00 | 495.00 | 716.00 | 618.00 | 413.00 | 314.00 | 136.00 | 41.50 | 3404.00 | |||||||||||||
1960 | 36.00 | 36.00 | 107.50 | 193.00 | 284.00 | 493.50 | 742.00 | 598.50 | 478.00 | 350.00 | 89.50 | 51.50 | 3459.50 | |||||||||||||
1961 | 162.50 | 68.50 | 119.00 | 144.00 | 329.50 | 617.00 | 732.00 | 789.00 | 439.00 | 256.50 | 80.00 | 38.00 | 3775.00 | |||||||||||||
1962 | 70.00 | 114.00 | 58.00 | 227.00 | 212.50 | 459.00 | 608.50 | 612.50 | 536.50 | 321.50 | 156.00 | 82.00 | 3457.50 | |||||||||||||
1963 | 17.50 | 190.00 | 73.50 | 127.50 | 377.00 | 433.50 | 539.50 | 618.00 | 617.50 | 360.00 | 119.50 | 70.00 | 3543.50 | |||||||||||||
1964 | 23.50 | 22.50 | 60.00 | 82.00 | 264.00 | 416.00 | 597.00 | 573.00 | 428.50 | 415.50 | 63.00 | 27.00 | 2972.00 | |||||||||||||
1965 | 57.50 | 44.50 | 138.50 | 200.50 | 257.00 | 479.50 | 710.50 | 681.50 | 438.50 | 421.00 | 209.50 | 50.50 | 3689.00 | |||||||||||||
1966 | 35.00 | 38.00 | 117.50 | 206.50 | 347.50 | 447.00 | 579.50 | 638.00 | 549.00 | 267.50 | 138.50 | 89.00 | 3453.00 | |||||||||||||
1967 | 42.00 | 34.00 | 41.00 | 70.00 | 344.50 | 607.00 | 685.50 | 857.00 | 652.50 | 343.50 | 147.00 | 58.50 | 3882.50 | |||||||||||||
1968 | 85.50 | 179.50 | 174.50 | 134.00 | 354.00 | 480.00 | 712.00 | 611.50 | 510.00 | 268.50 | 118.50 | 16.50 | 3644.50 | |||||||||||||
1969 | 10.50 | 11.50 | 119.50 | 175.50 | 452.50 | 612.50 | 630.00 | 579.50 | 516.00 | 246.00 | 145.50 | 69.50 | 3568.50 | |||||||||||||
1970 | 36.00 | 136.50 | 91.00 | 76.00 | 339.00 | 600.00 | 666.00 | 635.50 | 427.00 | 271.00 | 177.50 | 16.50 | 3472.00 | |||||||||||||
1971 | 45.00 | 63.00 | 15.00 | 156.50 | 355.00 | 352.50 | 701.00 | 780.50 | 456.50 | 241.00 | 70.50 | 8.00 | 3244.50 | |||||||||||||
1972 | 10.00 | 45.00 | 126.00 | 112.50 | 433.00 | 476.50 | 695.50 | 714.00 | 412.50 | 227.50 | 116.50 | 70.00 | 3439.00 | |||||||||||||
1973 | 33.00 | 82.50 | 64.00 | 185.50 | 399.50 | 478.50 | 678.50 | 552.00 | 541.50 | 274.00 | 46.50 | 88.00 | 3423.50 | |||||||||||||
1974 | 40.50 | 16.00 | 89.50 | 148.00 | 248.00 | 526.00 | 622.00 | 722.50 | 665.00 | 354.00 | 103.50 | 68.00 | 3603.00 | |||||||||||||
1975 | 27.50 | 14.00 | 32.50 | 49.50 | 355.50 | 450.50 | 697.50 | 575.50 | 572.50 | 264.50 | 119.50 | 74.50 | 3233.50 | |||||||||||||
1976 | 60.00 | 25.50 | 39.50 | 183.50 | 368.50 | 415.50 | 633.00 | 566.50 | 550.00 | 307.00 | 194.50 | 67.00 | 3410.50 | |||||||||||||
1977 | 37.50 | 140.00 | 46.50 | 265.50 | 263.50 | 523.50 | 609.00 | 802.50 | 440.00 | 272.50 | 92.00 | 53.50 | 3546.00 | |||||||||||||
1978 | 66.50 | 87.50 | 165.50 | 168.00 | 318.50 | 618.50 | 685.00 | 663.50 | 450.50 | 378.00 | 60.00 | 6.50 | 3668.00 | |||||||||||||
1979 | 4.00 | 32.50 | 162.50 | 180.50 | 409.50 | 526.50 | 701.50 | 655.00 | 569.50 | 351.00 | 94.00 | 116.50 | 3803.00 | |||||||||||||
1980 | 11.50 | 72.00 | 52.00 | 253.97 | a | 323.00 | 419.50 | 648.50 | 602.90 | b | 494.00 | 354.50 | 140.50 | 128.00 | 3500.36 | |||||||||||
1981 | 160.50 | 86.50 | 168.50 | 193.50 | 328.50 | 419.50 | 603.00 | 784.50 | 529.50 | 225.00 | 174.44 | c | 45.50 | 3718.94 | ||||||||||||
1982 | 26.35 | a | 52.00 | 55.00 | 116.00 | 327.00 | 599.00 | 595.00 | 663.50 | 520.00 | 307.50 | 66.00 | 0.00 | z | 3327.35 | |||||||||||
1983 | 104.50 | 112.50 | 168.00 | 217.00 | 449.00 | 462.00 | 573.50 | 658.00 | 427.50 | 257.50 | 134.00 | 1.00 | 3564.50 | |||||||||||||
1984 | 90.50 | 63.50 | 133.00 | 127.00 | 250.50 | 404.00 | 641.50 | 652.50 | 438.00 | 185.50 | 80.00 | 12.00 | 3078.00 | |||||||||||||
1985 | 23.00 | 19.50 | 35.00 | 198.50 | 357.00 | 507.50 | 825.00 | 680.00 | 426.50 | 254.50 | 29.50 | 18.50 | 3374.50 | |||||||||||||
1986 | 133.50 | 93.00 | 183.00 | 143.00 | 359.50 | 608.00 | 549.00 | 803.00 | 435.00 | 372.50 | 81.50 | 51.00 | 3812.00 | |||||||||||||
1987 | 54.00 | 129.00 | 149.00 | 274.50 | 411.50 | 558.00 | 631.50 | 698.50 | 589.50 | 436.50 | 177.00 | 55.50 | 4164.50 | |||||||||||||
1988 | 45.00 | 91.00 | 103.00 | 224.00 | 354.00 | 469.00 | 670.50 | 671.50 | 536.50 | 375.00 | 117.00 | 97.00 | 3753.50 | |||||||||||||
1989 | 39.50 | 9.00 | 76.50 | 303.00 | 373.00 | 591.00 | 634.00 | 650.00 | 616.50 | 318.00 | 124.00 | 78.00 | 3812.50 | |||||||||||||
1990 | 47.00 | 40.50 | 169.50 | 269.00 | 342.50 | 494.00 | 780.50 | 753.00 | 605.00 | 273.50 | 127.50 | 18.00 | 3920.00 | |||||||||||||
1991 | 30.50 | 175.50 | 56.50 | 167.50 | 313.00 | 412.50 | 702.50 | 757.00 | 587.00 | 344.00 | 138.50 | 71.30 | a | 3755.80 | ||||||||||||
1992 | 146.50 | 191.50 | 234.00 | 303.00 | 493.50 | 619.00 | 693.00 | 730.50 | 510.00 | 337.00 | 92.00 | 9.00 | 4359.00 | |||||||||||||
1993 | 31.50 | 91.50 | 161.00 | 196.50 | 505.50 | 499.00 | 551.50 | 681.00 | 589.00 | 409.50 | 38.00 | 78.00 | 3832.00 | |||||||||||||
1994 | 98.00 | 28.00 | 204.50 | 264.00 | 450.50 | 485.50 | 760.50 | 720.50 | 634.00 | 307.00 | 30.00 | 77.50 | 4060.00 | |||||||||||||
1995 | 114.00 | 113.00 | 166.00 | 214.50 | 471.50 | 541.00 | 738.00 | 601.50 | 649.50 | 247.50 | 224.00 | 68.50 | 4149.00 | |||||||||||||
1996 | 67.50 | 131.00 | 125.00 | 257.00 | 253.00 | 483.50 | 771.50 | 717.00 | 446.00 | 318.00 | 106.00 | 40.50 | 3716.00 | |||||||||||||
1997 | 65.50 | 54.50 | 123.00 | 182.50 | 492.00 | 482.50 | 662.50 | 777.50 | 601.00 | 288.50 | 223.00 | 69.00 | 4021.50 | |||||||||||||
1998 | 93.50 | 104.00 | 150.50 | 203.00 | 350.00 | 499.50 | 781.50 | 733.50 | 639.00 | 346.00 | 120.50 | 56.50 | 4077.50 | |||||||||||||
1999 | 21.50 | 8.50 | 66.00 | 160.50 | 232.50 | 401.50 | 577.50 | 622.14 | b | 468.00 | 245.50 | 142.76 | a | 15.50 | b | 2961.90 | ||||||||||
2000 | 0.00 | a | 6.50 | 10.50 | 0.00 | z | 243.50 | 410.00 | 511.50 | 547.50 | 394.50 | 194.00 | 11.50 | 15.00 | 2344.50 | |||||||||||
2001 | 22.00 | 6.00 | 53.00 | 89.00 | 257.00 | 318.50 | 499.50 | 563.50 | 402.00 | 165.50 | 89.50 | 0.00 | 2465.50 | |||||||||||||
2002 | 11.00 | 7.50 | 0.00 | 38.50 | 148.50 | 345.00 | 577.50 | 654.50 | 515.50 | 220.00 | 160.00 | 45.50 | 2723.50 | |||||||||||||
2003 | 97.00 | 24.00 | 110.50 | 127.50 | 315.00 | 564.50 | 758.50 | 727.50 | 600.50 | 386.00 | 10.34 | a | 6.00 | 3727.34 | ||||||||||||
2004 | 17.50 | 2.50 | 69.50 | 171.00 | 340.50 | 473.00 | 648.00 | 647.00 | 341.50 | 209.50 | 19.00 | 17.00 | 2956.00 | |||||||||||||
2005 | 66.00 | 23.50 | 98.50 | 91.50 | 299.00 | 316.50 | 547.50 | 604.00 | 318.50 | 204.50 | 18.00 | 51.50 | 2639.00 | |||||||||||||
2006 | 26.00 | 41.50 | 83.00 | 216.00 | 419.50 | 619.50 | 789.50 | 699.00 | 612.50 | 324.50 | 165.00 | 72.00 | 4068.00 | |||||||||||||
2007 | 39.50 | 68.00 | 118.50 | 127.50 | 301.50 | 487.00 | 781.00 | 690.50 | 504.50 | 284.00 | 122.50 | 38.00 | 3562.50 | |||||||||||||
2008 | 19.00 | 49.00 | 42.00 | 79.00 | 326.00 | 385.50 | 619.00 | 619.00 | 455.00 | 195.50 | 160.00 | 15.00 | 2964.00 | |||||||||||||
2009 | 3.00 | 42.00 | 35.50 | 157.00 | 0.00 | z | 0.00 | z | 0.00 | z | 737.00 | 754.00 | 455.50 | 290.50 | 32.00 | 2506.50 | ||||||||||
2010 | 26.50 | 89.00 | 149.50 | 151.50 | 268.50 | 413.00 | 655.00 | 679.00 | 500.00 | 298.50 | 111.50 | 41.33 | a | 3383.33 | ||||||||||||
2011 | 48.00 | 11.50 | 57.00 | 44.00 | 197.50 | 417.00 | 557.50 | 724.00 | 665.00 | 315.00 | 63.00 | 28.50 | 3128.00 | |||||||||||||
2012 | 51.00 | 63.00 | 51.50 | 212.00 | 347.00 | 416.50 | 612.00 | 687.00 | 523.50 | 332.50 | 157.00 | 43.00 | 3496.00 | |||||||||||||
2013 | 4.00 | 4.50 | 98.50 | 24.50 | 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 | 107.00 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 48.20 | 60.19 | 95.69 | 178.79 | 352.15 | 479.56 | 659.54 | 667.12 | 522.23 | 308.68 | 119.49 | 51.89 | 3549.95 | |||||||||||||
S.D. | 38.93 | 49.26 | 56.68 | 66.75 | 81.74 | 77.74 | 79.58 | 70.89 | 84.06 | 72.15 | 62.66 | 31.84 | 403.53 | |||||||||||||
SKEW | 1.12 | 0.97 | 0.75 | -0.15 | 0.13 | 0.24 | 0.07 | 0.29 | 0.09 | 0.19 | 0.70 | 0.47 | -0.34 | |||||||||||||
MAX | 162.50 | 191.50 | 279.00 | 306.00 | 552.50 | 619.50 | 849.50 | 857.00 | 754.00 | 489.00 | 303.50 | 133.50 | 4451.50 | |||||||||||||
MIN | 0.00 | 2.50 | 0.00 | 38.50 | 148.50 | 316.50 | 499.50 | 523.00 | 318.50 | 165.50 | 10.34 | 0.00 | 2465.50 | |||||||||||||
NO YRS | 74 | 75 | 75 | 73 | 73 | 73 | 73 | 73 | 74 | 74 | 74 | 73 | 69 |