YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1954 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 292.00 | 205.00 | 217.00 | 188.00 | 262.50 | 305.50 | 463.00 | 1933.00 | ||||||||
1955 | 593.00 | 498.50 | 480.50 | a | 516.00 | 395.00 | 291.00 | 280.50 | 280.00 | 265.00 | 299.50 | 407.07 | a | 411.50 | 4717.57 | |||||||||||
1956 | 473.50 | 555.00 | 528.50 | 422.00 | 329.00 | 287.00 | 215.50 | 225.00 | 153.50 | 325.50 | 296.50 | 448.00 | 4259.00 | |||||||||||||
1957 | 612.50 | 384.00 | 435.50 | 366.00 | 292.50 | 184.50 | 201.50 | 202.50 | 130.50 | 201.50 | 356.00 | 402.00 | 3769.00 | |||||||||||||
1958 | 436.50 | 304.50 | 491.50 | 361.00 | 249.00 | 153.00 | 130.50 | 84.50 | 103.00 | 205.00 | 318.50 | 328.00 | 3165.00 | |||||||||||||
1959 | 421.50 | 428.50 | 356.00 | 328.50 | 345.00 | 193.50 | f | 180.00 | 125.50 | 182.00 | 176.00 | 314.00 | 424.50 | 3281.50 | ||||||||||||
1960 | 524.50 | 442.50 | 385.00 | 375.00 | 357.00 | 194.50 | 170.50 | 216.50 | 197.00 | 271.50 | 397.50 | 453.50 | 3985.00 | |||||||||||||
1961 | 371.00 | 394.50 | 471.50 | 384.50 | 374.50 | 182.50 | 156.00 | 84.00 | 176.00 | 291.50 | 405.00 | 501.50 | 3792.50 | |||||||||||||
1962 | 477.18 | c | 418.00 | 489.00 | 374.50 | 384.00 | 292.00 | 276.00 | 160.50 | 229.50 | 248.50 | 356.50 | 451.00 | 4156.68 | ||||||||||||
1963 | 590.50 | 267.50 | 495.50 | 418.50 | 313.00 | 269.50 | 194.00 | 206.50 | 102.00 | 195.00 | 0.00 | z | 433.50 | 3485.50 | ||||||||||||
1964 | 521.50 | 469.50 | 525.50 | 444.50 | 425.00 | 244.50 | 188.50 | 169.50 | 168.10 | a | 188.50 | 400.50 | 426.50 | 4172.10 | ||||||||||||
1965 | 435.50 | 449.50 | 437.00 | 368.00 | 392.00 | 282.50 | 213.50 | 123.48 | a | 174.00 | 193.50 | 298.50 | 553.00 | 3920.48 | ||||||||||||
1966 | 505.00 | 459.50 | 452.00 | 310.00 | 337.50 | 228.50 | 199.00 | 182.00 | 138.00 | 225.50 | 333.50 | 468.00 | 3838.50 | |||||||||||||
1967 | 472.50 | 392.50 | 474.00 | 489.50 | 332.50 | 280.50 | 191.50 | 165.50 | 102.00 | 199.50 | 273.50 | 507.00 | 3880.50 | |||||||||||||
1968 | 517.50 | 296.00 | 373.50 | 406.00 | 342.50 | 215.00 | 184.00 | 106.00 | 137.00 | 289.50 | 351.00 | 530.00 | 3748.00 | |||||||||||||
1969 | 505.00 | 462.50 | 453.00 | 413.00 | 292.50 | 215.50 | 207.50 | 245.00 | 153.50 | 268.00 | 299.00 | 396.50 | 3911.00 | |||||||||||||
1970 | 410.00 | 347.50 | 408.00 | 460.00 | 296.50 | 226.50 | 183.50 | 231.00 | 161.00 | 295.50 | 323.50 | 526.50 | 3869.50 | |||||||||||||
1971 | 488.00 | 449.50 | 487.50 | 453.50 | 388.00 | 258.50 | 233.50 | 130.50 | 138.00 | 418.50 | 451.00 | 631.50 | 4528.00 | |||||||||||||
1972 | 572.50 | 397.50 | 384.50 | 404.50 | 344.50 | 227.50 | 128.00 | 115.50 | 172.00 | 215.50 | 387.00 | 583.00 | 3932.00 | |||||||||||||
1973 | 541.50 | 355.50 | 489.50 | 357.00 | 294.00 | 202.50 | 205.00 | 218.00 | 168.50 | 297.00 | 435.50 | 475.00 | 4039.00 | |||||||||||||
1974 | 555.00 | 493.50 | 425.00 | 405.50 | 364.50 | 225.00 | 167.00 | 126.00 | 154.00 | 237.00 | 397.00 | 544.00 | 4093.50 | |||||||||||||
1975 | 509.50 | 428.50 | 465.50 | 479.00 | 317.50 | 250.00 | 191.50 | 193.00 | 215.50 | 354.50 | 468.00 | 507.50 | 4380.00 | |||||||||||||
1976 | 497.50 | 461.00 | 513.50 | 455.50 | 301.73 | a | 208.00 | 137.50 | 110.00 | 161.50 | 248.50 | 276.50 | 478.00 | 3849.23 | ||||||||||||
1977 | 462.00 | 375.00 | 523.00 | 424.00 | 357.50 | 213.00 | 180.50 | 101.50 | 142.50 | 300.00 | 389.50 | 413.50 | 3882.00 | |||||||||||||
1978 | 401.00 | 351.00 | 270.50 | 357.50 | 285.00 | 233.00 | 182.50 | 152.50 | 162.50 | 265.00 | 468.50 | 592.00 | 3721.00 | |||||||||||||
1979 | 539.50 | 465.00 | 410.50 | 361.00 | 281.00 | 262.00 | 141.00 | 136.00 | 85.00 | 177.00 | 354.50 | 428.00 | 3640.50 | |||||||||||||
1980 | 436.00 | 310.50 | 448.00 | 362.00 | 343.00 | 222.50 | 123.50 | 170.50 | 166.00 | 276.00 | 365.50 | 384.00 | 3607.50 | |||||||||||||
1981 | 371.50 | 355.00 | 420.00 | 388.00 | 314.50 | 192.00 | 208.00 | 177.00 | 159.00 | 325.00 | 302.00 | 424.50 | 3636.50 | |||||||||||||
1982 | 576.00 | 398.50 | 470.00 | 365.00 | 315.00 | 211.00 | 192.50 | 159.50 | 150.00 | 251.50 | 382.00 | 501.50 | 3972.50 | |||||||||||||
1983 | 403.50 | 336.50 | 356.00 | 364.50 | 289.50 | 188.50 | 136.00 | 67.50 | 59.50 | 129.00 | 359.00 | 395.00 | 3084.50 | |||||||||||||
1984 | 454.00 | 429.00 | 373.50 | 426.50 | 310.50 | 264.50 | 116.50 | 127.00 | 109.50 | 282.50 | 415.00 | 542.00 | 3850.50 | |||||||||||||
1985 | 526.00 | 429.00 | 525.50 | 317.50 | 346.50 | 158.50 | 124.00 | 146.00 | 162.50 | 283.50 | 485.00 | 423.50 | 3927.50 | |||||||||||||
1986 | 359.50 | 317.00 | 326.50 | 369.50 | 325.00 | 144.00 | 152.00 | 145.00 | 193.00 | 258.50 | 372.50 | 480.00 | 3442.50 | |||||||||||||
1987 | 532.50 | 395.50 | 405.50 | 327.50 | 242.00 | 197.50 | 176.00 | 103.50 | 155.00 | 164.50 | 358.50 | 512.50 | 3570.50 | |||||||||||||
1988 | 466.50 | 382.00 | 454.00 | 334.50 | 302.00 | 206.50 | 111.00 | 116.50 | 205.50 | 245.50 | 377.00 | 540.00 | 3741.00 | |||||||||||||
1989 | 565.00 | 528.00 | 387.50 | 263.00 | 296.00 | 184.00 | 181.00 | 133.50 | 185.00 | 254.50 | 314.00 | 459.00 | 3750.50 | |||||||||||||
1990 | 506.00 | 500.50 | 443.50 | 317.00 | 297.50 | 201.00 | 117.00 | 40.50 | 93.00 | 266.00 | 390.50 | 651.00 | 3823.50 | |||||||||||||
1991 | 511.00 | 360.50 | 493.00 | 416.50 | 361.00 | 285.50 | 115.50 | 128.50 | 159.50 | 260.00 | 390.50 | 491.50 | 3973.00 | |||||||||||||
1992 | 481.50 | 324.50 | 322.00 | 275.50 | 205.50 | 123.50 | 54.50 | 160.00 | 155.00 | 155.00 | 358.50 | 513.50 | 3129.00 | |||||||||||||
1993 | 488.00 | 402.00 | 331.50 | 350.50 | 234.00 | 196.00 | 152.50 | 111.50 | 215.00 | 187.00 | 395.00 | 483.00 | 3546.00 | |||||||||||||
1994 | 465.00 | 456.00 | 400.50 | 359.50 | 305.00 | 251.50 | 199.50 | 179.00 | 139.00 | 288.50 | 545.00 | 571.50 | 4160.00 | |||||||||||||
1995 | 398.50 | 327.50 | 403.00 | 387.00 | 312.50 | 235.00 | 82.00 | 149.50 | 141.50 | 236.50 | 319.50 | 418.00 | 3410.50 | |||||||||||||
1996 | 442.00 | 343.00 | 375.00 | 313.50 | 325.50 | 284.00 | 162.50 | 187.50 | 200.50 | 310.00 | 373.00 | 417.00 | 3733.50 | |||||||||||||
1997 | 443.50 | 436.00 | 438.50 | 358.50 | 198.50 | 250.00 | 141.50 | 90.00 | 68.00 | 248.50 | 279.00 | 498.00 | 3450.00 | |||||||||||||
1998 | 0.00 | z | 446.00 | 419.50 | 388.00 | 327.00 | 225.50 | 194.50 | 168.00 | 159.00 | 346.00 | 0.00 | z | 624.00 | 3297.50 | |||||||||||
1999 | 500.00 | 488.00 | 562.00 | 0.00 | z | 0.00 | z | 0.00 | z | 208.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 542.50 | a | 2301.00 | |||||
2000 | 477.50 | 399.00 | 467.50 | 367.00 | 0.00 | z | 208.00 | 0.00 | z | 0.00 | z | 160.00 | 294.50 | e | 479.00 | 451.00 | 3303.50 | |||||||||
2001 | 549.50 | 458.50 | 410.00 | 482.00 | 290.37 | a | 268.50 | 195.50 | 190.65 | a | 197.50 | 227.50 | 361.50 | 467.00 | 4098.52 | |||||||||||
2002 | 576.00 | 371.00 | 485.00 | 366.00 | 367.50 | 267.00 | 159.50 | 129.50 | 154.50 | 295.50 | 312.00 | 462.00 | 3945.50 | |||||||||||||
2003 | 322.00 | 457.00 | 423.00 | 446.50 | 383.50 | 191.00 | 138.50 | 61.50 | 98.00 | 210.00 | 395.50 | 440.50 | 3567.00 | |||||||||||||
2004 | 503.50 | 444.50 | 320.50 | 338.50 | 260.00 | 219.50 | 90.00 | 74.00 | 162.00 | 268.00 | 407.00 | 460.00 | 3547.50 | |||||||||||||
2005 | 463.00 | 353.00 | 347.50 | 394.00 | 249.50 | 235.00 | 152.50 | 173.00 | 204.50 | 294.00 | 305.50 | 406.00 | 3577.50 | |||||||||||||
2006 | 459.00 | 403.00 | 496.00 | 348.00 | 271.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1977.00 | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 484.51 | 407.64 | 433.27 | 383.54 | 317.27 | 226.57 | 169.18 | 149.93 | 157.09 | 255.04 | 369.50 | 479.52 | 3821.63 | |||||||||||||
S.D. | 64.75 | 63.42 | 64.05 | 53.93 | 48.73 | 41.20 | 44.45 | 51.10 | 40.64 | 55.48 | 59.84 | 67.70 | 329.56 | |||||||||||||
SKEW | -0.26 | -0.03 | -0.32 | 0.29 | -0.24 | -0.21 | -0.06 | 0.19 | -0.16 | 0.14 | 0.60 | 0.52 | 0.13 | |||||||||||||
MAX | 612.50 | 555.00 | 562.00 | 516.00 | 425.00 | 292.00 | 280.50 | 280.00 | 265.00 | 418.50 | 545.00 | 651.00 | 4717.57 | |||||||||||||
MIN | 322.00 | 267.50 | 270.50 | 263.00 | 198.50 | 123.50 | 54.50 | 40.50 | 59.50 | 129.00 | 273.50 | 328.00 | 3084.50 | |||||||||||||
NO YRS | 51 | 52 | 52 | 51 | 50 | 50 | 51 | 50 | 51 | 51 | 49 | 52 | 46 |