YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1970 | 0.00 | z | 329.50 | 268.50 | 253.00 | 80.00 | 22.50 | 0.00 | 4.50 | 5.00 | 148.50 | 262.00 | 565.00 | 1938.50 | ||||||||||||
1971 | 570.00 | 421.50 | 365.50 | 282.00 | 137.00 | 32.50 | 0.00 | 0.00 | 28.97 | a | 191.00 | 373.00 | 634.50 | 3035.97 | ||||||||||||
1972 | 684.00 | 358.00 | 185.00 | 188.50 | 73.00 | 13.50 | 1.00 | 1.00 | 15.00 | 94.50 | 393.50 | 659.00 | 2666.00 | |||||||||||||
1973 | 555.00 | 350.00 | 376.50 | 132.00 | 47.00 | 7.50 | 1.50 | 1.50 | 6.50 | 68.50 | 325.00 | 478.50 | 2349.50 | |||||||||||||
1974 | 503.50 | 430.00 | 302.50 | 233.28 | a | 90.50 | 3.00 | 4.00 | 0.00 | 2.50 | 73.00 | 358.00 | 527.50 | 2527.78 | ||||||||||||
1975 | 593.00 | 378.50 | 340.00 | 342.50 | 94.00 | 22.50 | 12.50 | 0.50 | 5.69 | a | 155.60 | e | 373.00 | 493.42 | a | 2811.20 | ||||||||||
1976 | 533.50 | 389.43 | a | 336.50 | 238.39 | b | 72.50 | 76.73 | d | 0.00 | u | 2.07 | a | 5.00 | 62.00 | b | 242.50 | 571.00 | 2529.62 | |||||||
1977 | 651.00 | 341.92 | b | 304.50 | f | 97.50 | 143.50 | 21.96 | b | 0.50 | 0.00 | 22.22 | c | 105.50 | 327.50 | 473.30 | c | 2184.91 | ||||||||
1978 | 452.50 | 360.89 | a | 228.22 | b | 239.50 | 42.50 | 4.82 | b | 1.50 | 0.00 | b | 5.00 | 66.50 | 395.00 | 686.50 | 2482.93 | |||||||||
1979 | 593.00 | 432.00 | 301.50 | 211.61 | b | 66.81 | b | 1.07 | b | 2.50 | 0.00 | 0.00 | 63.00 | 360.50 | 499.50 | 2531.49 | ||||||||||
1980 | 498.50 | 330.00 | 299.00 | 150.50 | 103.00 | 17.50 | 0.50 | 1.50 | 0.50 | 97.50 | 257.50 | 521.00 | 2277.00 | |||||||||||||
1981 | 501.50 | 309.00 | 317.23 | a | 132.50 | 38.00 | 0.00 | 0.50 | 2.00 | 2.00 | 136.00 | 245.50 | 422.00 | 2106.23 | ||||||||||||
1982 | 658.75 | a | 370.50 | 353.50 | 208.00 | 58.00 | 33.50 | 0.50 | 1.00 | 5.50 | 64.50 | 439.50 | 526.50 | 2719.75 | ||||||||||||
1983 | 597.00 | 345.50 | 283.00 | 214.50 | 84.00 | 1.50 | 1.00 | 0.00 | 6.00 | 58.00 | 389.50 | 500.50 | 2480.50 | |||||||||||||
1984 | 616.00 | 463.50 | 273.50 | 242.50 | 63.50 | 32.00 | 0.00 | 0.00 | 1.00 | 134.50 | 393.00 | 640.00 | 2859.50 | |||||||||||||
1985 | 707.50 | 390.00 | 423.00 | 111.00 | 101.50 | 12.50 | 3.50 | 3.50 | 47.00 | 189.00 | 467.50 | 697.50 | 3153.50 | |||||||||||||
1986 | 444.50 | 280.50 | 206.50 | 158.50 | 65.50 | 16.00 | 3.00 | 0.00 | 70.50 | 117.50 | 286.00 | 597.00 | 2245.50 | |||||||||||||
1987 | 582.50 | 368.50 | 305.00 | 83.50 | 53.00 | 13.00 | 8.00 | 7.00 | 18.50 | 121.50 | 387.00 | 540.50 | 2488.00 | |||||||||||||
1988 | 539.00 | 349.00 | 201.00 | 164.50 | 106.00 | 28.00 | 0.00 | 4.00 | 7.50 | 88.50 | 300.00 | 524.00 | 2311.50 | |||||||||||||
1989 | 607.50 | 494.50 | 277.50 | 117.00 | 68.00 | 17.00 | 0.00 | 2.50 | 26.00 | 119.00 | 324.50 | 619.00 | 2672.50 | |||||||||||||
1990 | 555.50 | 484.00 | 316.50 | 132.50 | 100.50 | 7.50 | 0.00 | 1.00 | 0.00 | 59.50 | 358.50 | 718.00 | 2733.50 | |||||||||||||
1991 | 582.50 | 323.50 | 449.00 | 242.00 | 125.00 | 34.00 | 2.50 | 4.00 | 7.50 | 68.00 | 277.50 | 549.50 | 2665.00 | |||||||||||||
1992 | 643.50 | 327.50 | 271.00 | 102.00 | 13.00 | 11.50 | 1.00 | 0.00 | 5.50 | 43.50 | 305.50 | 603.50 | 2327.50 | |||||||||||||
1993 | 610.50 | 438.00 | 251.50 | 209.00 | 70.00 | 12.50 | 0.00 | 0.00 | 23.50 | 45.00 | 357.50 | 591.00 | 2608.50 | |||||||||||||
1994 | 526.00 | 449.00 | 247.50 | 152.50 | 83.50 | 7.00 | 0.00 | 0.00 | 1.50 | 102.50 | 487.50 | 611.50 | 2668.50 | |||||||||||||
1995 | 422.50 | 327.00 | 358.00 | 216.00 | 126.00 | 32.00 | 0.00 | 0.00 | 1.00 | 55.00 | 180.50 | 385.00 | 2103.00 | |||||||||||||
1996 | 484.00 | 351.50 | 287.00 | 154.00 | 44.50 | 8.50 | 0.00 | 0.00 | 2.50 | 109.50 | 268.50 | 420.00 | 2130.00 | |||||||||||||
1997 | 494.50 | 331.50 | 226.00 | 107.00 | 9.00 | 0.00 | 0.00 | 0.00 | 0.00 | 86.00 | 245.50 | 532.50 | 2032.00 | |||||||||||||
1998 | 470.50 | 405.50 | 307.50 | 252.50 | 190.00 | 29.00 | 3.00 | 0.00 | 20.00 | 103.50 | 330.00 | 637.50 | 2749.00 | |||||||||||||
1999 | 580.00 | 445.00 | 412.00 | 245.00 | 128.50 | 40.50 | 12.50 | 5.00 | 3.50 | 65.50 | 250.50 | 498.50 | 2686.50 | |||||||||||||
2000 | 440.50 | 371.50 | 314.50 | 151.50 | 102.00 | 10.50 | 10.50 | 7.00 | 11.50 | 121.50 | 442.50 | 493.50 | 2477.00 | |||||||||||||
2001 | 575.50 | 430.00 | 223.50 | 256.00 | 14.00 | 0.50 | 5.50 | 0.00 | 6.50 | 80.50 | 275.00 | 497.50 | 2364.50 | |||||||||||||
2002 | 584.00 | 383.00 | 358.50 | 211.00 | 95.00 | 8.50 | 0.00 | 7.50 | 14.50 | 114.00 | 287.00 | 448.50 | 2511.50 | |||||||||||||
2003 | 426.50 | 383.50 | 252.00 | 285.00 | 95.50 | 9.50 | 0.00 | 0.00 | 2.00 | 38.00 | 407.50 | 490.50 | 2390.00 | |||||||||||||
2004 | 531.00 | 420.50 | 158.50 | 131.00 | 36.00 | 2.50 | 0.00 | 6.00 | 22.00 | 187.00 | 404.50 | 569.50 | 2468.50 | |||||||||||||
2005 | 646.00 | 393.50 | 301.00 | 273.00 | 102.50 | 34.50 | 0.00 | 6.50 | 68.00 | 160.50 | 366.00 | 459.50 | 2811.00 | |||||||||||||
2006 | 476.50 | 369.00 | 383.50 | 253.00 | 59.50 | 12.50 | 0.00 | 1.00 | 44.00 | 162.00 | 367.00 | 620.50 | 2748.50 | |||||||||||||
2007 | 653.50 | 404.50 | 270.00 | 196.50 | 83.50 | 14.00 | 0.00 | 2.00 | 51.00 | 154.50 | 295.50 | 574.00 | 2699.00 | |||||||||||||
2008 | 583.00 | 436.00 | 334.00 | 237.00 | 91.00 | 6.00 | 7.50 | 0.50 | 33.00 | 141.00 | 333.00 | 700.50 | 2902.50 | |||||||||||||
2009 | 600.00 | 487.50 | 409.50 | 283.50 | 113.00 | 66.50 | 16.50 | 8.00 | 6.50 | 140.50 | 365.50 | 619.00 | 3116.00 | |||||||||||||
2010 | 549.00 | 385.50 | 368.00 | 311.50 | 182.50 | 7.00 | 9.00 | 16.00 | 28.00 | 158.00 | 398.50 | 514.00 | 2927.00 | |||||||||||||
2011 | 638.60 | a | 512.00 | 418.50 | b | 239.46 | b | 157.00 | 71.50 | 6.00 | 6.00 | 8.00 | 155.50 | 474.00 | 636.50 | 3323.06 | ||||||||||
2012 | 580.00 | 453.00 | 379.00 | 198.50 | 46.00 | 20.17 | a | 1.00 | 5.50 | 18.00 | 133.00 | 154.50 | o | 546.50 | 2380.67 | |||||||||||
2013 | 634.50 | 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 | 0.00 | z | 634.50 | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 562.24 | 390.81 | 308.09 | 200.94 | 85.00 | 19.15 | 2.75 | 2.49 | 15.31 | 107.86 | 342.32 | 555.66 | 2593.87 | |||||||||||||
S.D. | 72.50 | 54.79 | 69.11 | 63.98 | 41.25 | 18.28 | 4.17 | 3.34 | 17.83 | 43.00 | 70.79 | 80.68 | 300.27 | |||||||||||||
SKEW | -0.20 | 0.32 | -0.02 | -0.04 | 0.45 | 1.62 | 1.72 | 1.84 | 1.63 | 0.21 | 0.01 | 0.10 | 0.24 | |||||||||||||
MAX | 707.50 | 512.00 | 449.00 | 342.50 | 190.00 | 76.73 | 16.50 | 16.00 | 70.50 | 191.00 | 487.50 | 718.00 | 3323.06 | |||||||||||||
MIN | 422.50 | 280.50 | 158.50 | 83.50 | 9.00 | 0.00 | 0.00 | 0.00 | 0.00 | 38.00 | 180.50 | 385.00 | 2032.00 | |||||||||||||
NO YRS | 43 | 43 | 42 | 43 | 43 | 43 | 42 | 43 | 43 | 43 | 42 | 43 | 39 |