YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1939 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 535.02 | b | 582.00 | 655.00 | 557.00 | 401.50 | 418.50 | 3149.02 | ||||||
1940 | 379.00 | 381.50 | 434.00 | 465.00 | 490.50 | 534.00 | 605.00 | 607.00 | 659.00 | 534.00 | 447.00 | 440.00 | 5976.00 | |||||||||||||
1941 | 393.50 | 398.50 | 503.00 | 419.50 | 624.00 | 570.00 | 606.50 | 379.50 | m | 584.00 | 465.50 | 504.50 | 371.00 | 5440.00 | ||||||||||||
1942 | 363.00 | 302.50 | 337.50 | 396.50 | 492.00 | 503.00 | 615.50 | 578.50 | 550.50 | 466.00 | 382.00 | 319.50 | 5306.50 | |||||||||||||
1943 | 306.50 | 363.50 | 410.00 | 407.50 | 459.00 | 474.00 | 555.00 | 575.00 | 604.00 | 516.00 | 484.00 | 358.50 | 5513.00 | |||||||||||||
1944 | 341.00 | 246.00 | 350.50 | 338.50 | 429.00 | 487.50 | 531.00 | 530.50 | 482.50 | 527.50 | 390.50 | 406.50 | 5061.00 | |||||||||||||
1945 | 267.00 | 292.00 | 278.00 | 330.00 | 450.00 | 512.00 | 591.50 | 489.50 | 539.00 | 523.00 | 405.50 | 372.00 | 5049.50 | |||||||||||||
1946 | 273.00 | 213.50 | 287.00 | 337.00 | 423.00 | 499.50 | 566.00 | 529.00 | 557.50 | 468.00 | 346.00 | 343.00 | 4842.50 | |||||||||||||
1947 | 200.00 | 330.00 | 416.00 | 445.50 | 483.00 | 540.00 | 607.50 | 653.00 | 569.50 | 559.00 | 327.50 | 281.00 | 5412.00 | |||||||||||||
1948 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 544.50 | 576.00 | 497.00 | 549.00 | 378.00 | 196.50 | 2741.00 | |||||||
1949 | 113.00 | 183.50 | 368.00 | 345.50 | 463.50 | 522.50 | 501.50 | 578.50 | 278.00 | n | 398.02 | c | 0.00 | z | 0.00 | z | 3474.02 | |||||||||
1950 | 0.00 | z | 272.16 | c | 322.50 | 238.00 | i | 376.00 | 460.00 | 511.50 | 545.94 | d | 546.00 | 530.00 | 579.00 | 434.00 | 4577.10 | |||||||||
1951 | 290.50 | 292.00 | 297.50 | 318.50 | 462.00 | 429.00 | 477.50 | 503.00 | 578.50 | 499.00 | 410.50 | 289.00 | 4847.00 | |||||||||||||
1952 | 229.00 | 307.00 | 297.00 | 342.00 | 408.50 | 432.50 | 568.50 | 586.00 | 619.00 | 534.00 | 398.00 | 351.00 | 5072.50 | |||||||||||||
1953 | 427.50 | 175.00 | o | 0.00 | z | 272.50 | f | 453.50 | 488.50 | 488.00 | 584.00 | 637.50 | 508.00 | 378.00 | 298.00 | 4263.00 | ||||||||||
1954 | 227.00 | 357.50 | 258.00 | 368.00 | 432.50 | 475.00 | 521.50 | 524.50 | 533.00 | 512.50 | 441.00 | 328.50 | 4979.00 | |||||||||||||
1955 | 210.00 | 242.00 | 330.00 | 269.50 | 387.00 | 456.50 | 471.50 | 464.50 | 447.00 | 467.00 | 343.45 | a | 288.50 | f | 4088.45 | |||||||||||
1956 | 337.26 | b | 236.00 | 345.50 | 374.50 | 474.96 | c | 523.39 | b | 563.00 | 505.50 | 598.97 | a | 529.00 | 490.86 | a | 361.50 | 5340.44 | ||||||||
1957 | 239.50 | 361.00 | 388.61 | c | 435.50 | 523.68 | c | 550.50 | 584.41 | d | 576.08 | a | 616.61 | b | 603.98 | a | 433.50 | 404.50 | 5717.87 | |||||||
1958 | 387.50 | d | 300.00 | g | 367.19 | b | 448.50 | 545.00 | 651.50 | 616.50 | 625.34 | b | 660.50 | 524.00 | 423.00 | 461.50 | 5710.53 | |||||||||
1959 | 389.00 | 313.00 | 446.18 | c | 455.89 | b | 494.50 | 531.00 | 607.00 | 646.50 | 597.00 | 609.15 | a | 364.50 | g | 412.62 | b | 5501.84 | ||||||||
1960 | 301.00 | 339.00 | 425.50 | 418.50 | 475.50 | 561.00 | 554.50 | 537.00 | 531.00 | 517.50 | 434.50 | 415.00 | 5510.00 | |||||||||||||
1961 | 435.00 | 348.50 | 367.00 | 414.50 | 482.00 | 575.50 | 595.00 | 679.00 | 612.50 | 567.00 | 366.50 | 283.50 | 5726.00 | |||||||||||||
1962 | 354.00 | 281.50 | 306.00 | 405.50 | 424.50 | 443.50 | 479.50 | 577.50 | 517.24 | a | 530.50 | 424.00 | 342.50 | 5086.24 | ||||||||||||
1963 | 249.60 | b | 407.00 | 310.50 | 363.50 | 449.50 | 456.00 | e | 565.50 | 545.00 | 432.50 | h | 603.50 | 462.00 | 362.50 | 4774.60 | ||||||||||
1964 | 291.00 | 358.50 | 318.00 | 330.00 | 366.00 | 480.00 | 560.50 | 460.00 | g | 555.50 | 561.00 | 394.00 | 353.00 | 4567.50 | ||||||||||||
1965 | 353.00 | 261.00 | 358.50 | 403.00 | 425.50 | 443.28 | a | 495.00 | 631.00 | 558.50 | 633.00 | 481.50 | 249.50 | 5292.78 | ||||||||||||
1966 | 320.00 | 251.50 | 321.00 | 427.00 | 358.50 | 465.50 | 486.00 | 550.50 | 589.50 | 589.00 | 456.00 | 334.00 | 5148.50 | |||||||||||||
1967 | 369.42 | a | 369.00 | 332.50 | 281.00 | 409.00 | 454.00 | 577.00 | 574.50 | 647.50 | 630.00 | 524.00 | 318.00 | 5485.92 | ||||||||||||
1968 | 368.00 | 413.50 | 430.50 | 385.50 | 448.00 | 484.00 | 550.00 | 628.50 | 576.50 | 500.00 | 397.50 | 297.50 | 5479.50 | |||||||||||||
1969 | 233.00 | 210.00 | 347.50 | 303.00 | 413.00 | 471.00 | 460.00 | 451.50 | 521.00 | 488.00 | 506.00 | 434.00 | 4838.00 | |||||||||||||
1970 | 437.00 | 368.00 | 393.00 | 342.00 | 479.00 | 432.50 | 477.50 | 469.00 | 550.00 | 504.50 | 485.00 | 300.00 | 5237.50 | |||||||||||||
1971 | 343.50 | 302.00 | 341.00 | 310.00 | 362.00 | 420.50 | 423.00 | 567.50 | 566.00 | 396.50 | 378.00 | 208.00 | 4618.00 | |||||||||||||
1972 | 229.00 | 334.00 | 395.77 | a | 353.00 | 387.50 | 454.50 | 549.00 | 625.00 | 609.00 | 621.50 | 431.50 | 272.80 | a | 5262.57 | |||||||||||
1973 | 294.00 | 388.00 | 0.00 | z | 411.50 | 443.50 | 519.00 | 542.50 | 536.00 | 572.00 | 535.00 | 377.50 | 353.00 | 4972.00 | ||||||||||||
1974 | 275.00 | 280.50 | 382.50 | 373.50 | 399.50 | 487.50 | 584.00 | 610.00 | 580.50 | 568.00 | 426.50 | 312.00 | 5279.50 | |||||||||||||
1975 | 308.89 | c | 297.00 | 320.00 | 270.50 | 420.50 | 437.50 | 506.50 | 525.50 | 507.00 | 453.50 | 358.00 | 325.50 | e | 4730.39 | |||||||||||
1976 | 338.00 | 299.67 | b | 295.03 | b | 307.50 | 447.00 | 499.00 | 558.50 | 672.00 | 603.50 | 571.90 | b | 496.00 | 392.00 | 5480.10 | ||||||||||
1977 | 349.00 | 363.50 | 311.00 | 321.00 | 422.00 | 485.50 | 540.50 | 648.42 | a | 588.00 | e | 500.00 | 378.21 | b | 430.50 | 5337.63 | ||||||||||
1978 | 441.50 | 369.00 | 517.00 | 418.50 | 478.50 | 515.50 | 555.00 | 591.50 | 590.00 | 498.00 | 327.00 | 236.78 | b | 5538.28 | ||||||||||||
1979 | 289.50 | 272.00 | 393.00 | 368.00 | 451.00 | 460.50 | 568.50 | 598.50 | 648.10 | a | 611.50 | 425.00 | 423.00 | 5508.60 | ||||||||||||
1980 | 365.50 | 443.50 | 384.50 | 391.50 | 443.00 | 512.50 | 605.00 | 572.50 | 550.50 | 489.50 | 422.31 | d | 449.00 | 5629.31 | ||||||||||||
1981 | 414.50 | 388.00 | 407.00 | 388.00 | 444.00 | 538.00 | 529.50 | 581.50 | 552.00 | 477.00 | 509.50 | 401.45 | a | 5630.45 | ||||||||||||
1982 | 274.00 | 342.00 | 363.50 | 413.00 | 437.50 | 544.50 | 572.00 | 587.00 | 582.00 | 562.00 | 431.00 | 375.50 | 5484.00 | |||||||||||||
1983 | 396.00 | 387.00 | 440.00 | 419.00 | 489.80 | a | 538.39 | b | 617.00 | 712.50 | 719.42 | d | 657.50 | 435.00 | 379.20 | c | 6190.81 | |||||||||
1984 | 377.00 | 323.66 | a | 405.50 | 354.50 | 447.90 | b | 459.50 | 622.00 | 621.00 | 628.50 | 491.72 | b | 388.00 | 305.00 | 5424.28 | ||||||||||
1985 | 306.90 | a | 311.63 | a | 298.00 | 392.59 | a | 456.73 | a | 533.00 | 582.50 | 608.50 | 580.50 | 536.50 | 0.00 | z | 363.50 | 4970.35 | ||||||||
1986 | 450.00 | 415.50 | 468.50 | 371.50 | 405.50 | 572.50 | 600.00 | 613.00 | 565.50 | 529.50 | 444.00 | 362.00 | 5797.50 | |||||||||||||
1987 | 298.50 | 357.50 | 362.00 | 406.00 | 500.50 | 248.50 | o | 0.00 | z | 632.00 | 567.50 | 588.50 | 462.00 | 309.50 | 4484.00 | |||||||||||
1988 | 339.00 | 372.00 | 340.00 | 398.00 | 238.50 | m | 495.50 | 219.00 | s | 0.00 | z | 509.00 | 514.00 | 395.50 | 307.00 | 3670.00 | ||||||||||
1989 | 253.50 | 184.00 | 375.50 | 476.00 | 455.00 | 525.00 | 548.00 | 589.00 | 561.00 | 509.00 | 437.00 | f | 416.50 | 4892.50 | ||||||||||||
1990 | 343.67 | b | 242.15 | a | 360.00 | 431.00 | 469.00 | 494.50 | 590.50 | 649.00 | 602.00 | 445.00 | 355.50 | 200.50 | 5182.82 | |||||||||||
1991 | 244.00 | 307.00 | 238.00 | 280.50 | 296.50 | 386.50 | 530.00 | 601.50 | 532.50 | 515.50 | 413.50 | 338.86 | b | 4684.36 | ||||||||||||
1992 | 340.50 | 453.00 | 494.50 | 506.00 | 537.50 | 571.50 | 663.50 | 559.60 | b | 559.00 | 602.00 | 433.45 | a | 305.00 | 6025.55 | |||||||||||
1993 | 303.00 | 327.00 | 444.00 | 334.00 | 482.50 | 498.00 | 500.00 | 622.00 | 0.00 | z | 544.50 | 306.50 | i | 320.50 | 4375.50 | |||||||||||
1994 | 251.50 | j | 296.00 | 411.00 | 393.50 | 329.00 | i | 459.00 | 532.00 | 570.50 | 606.00 | 522.00 | 293.00 | 262.50 | 4345.50 | |||||||||||
1995 | 392.00 | 415.00 | 418.50 | 397.50 | 465.00 | 471.00 | 641.00 | 590.50 | 593.50 | 582.50 | 431.00 | 400.00 | 5797.50 | |||||||||||||
1996 | 385.50 | 404.50 | 412.50 | 430.50 | 461.50 | 439.00 | 542.50 | 551.00 | 515.50 | 497.50 | 423.00 | 428.50 | 5491.50 | |||||||||||||
1997 | 364.00 | 318.00 | 348.50 | 390.00 | 568.50 | 516.50 | 595.00 | 702.50 | 697.50 | 570.50 | 547.50 | 403.50 | 6022.00 | |||||||||||||
1998 | 411.00 | 334.50 | 398.00 | 404.00 | 482.50 | 534.50 | 554.50 | 586.00 | 572.50 | 491.50 | 369.00 | 268.50 | 5406.50 | |||||||||||||
1999 | 338.50 | 249.50 | 275.50 | 348.50 | 342.50 | 434.50 | 530.00 | 606.00 | 558.00 | 516.50 | 433.00 | 343.00 | 4975.50 | |||||||||||||
2000 | 366.50 | 372.50 | 362.00 | 421.00 | 472.50 | 553.50 | 567.50 | 583.00 | 625.00 | 535.00 | 365.50 | 440.50 | 5664.50 | |||||||||||||
2001 | 318.00 | 312.50 | 393.00 | 313.50 | 128.00 | w | 261.50 | n | 565.50 | 582.50 | 536.50 | 559.50 | 0.00 | z | 0.00 | z | 3581.00 | |||||||||
2002 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 570.50 | 608.50 | 361.00 | h | 318.50 | i | 223.00 | m | 217.50 | m | 1179.00 | |||
2003 | 519.50 | 181.50 | m | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 643.80 | e | 530.50 | 398.50 | 382.00 | 2474.30 | |||||
2004 | 333.50 | 294.00 | 445.00 | 435.00 | 509.50 | 517.50 | 648.00 | 677.50 | 509.50 | 516.50 | 413.50 | 355.00 | 5654.50 | |||||||||||||
2005 | 336.00 | 382.00 | 471.50 | 384.00 | 551.00 | 517.00 | 599.50 | 575.50 | 519.50 | 447.00 | 464.50 | 406.50 | 5654.00 | |||||||||||||
2006 | 332.50 | 301.00 | 275.50 | 418.00 | 480.00 | 560.50 | 588.50 | 615.00 | 494.00 | 522.00 | 393.00 | 339.00 | 5319.00 | |||||||||||||
2007 | 190.00 | 311.50 | 321.00 | 333.50 | 461.50 | 482.50 | 622.50 | 621.50 | 554.00 | 474.00 | 390.00 | 238.50 | 5000.50 | |||||||||||||
2008 | 257.50 | 261.50 | 287.50 | 296.00 | 435.00 | 450.50 | 579.00 | 601.50 | 512.00 | 499.50 | 470.50 | 269.50 | 4920.00 | |||||||||||||
2009 | 412.50 | 308.50 | 333.00 | 362.50 | 441.50 | 577.00 | 592.50 | 645.50 | 561.00 | 518.50 | 365.00 | 287.00 | 5404.50 | |||||||||||||
2010 | 393.50 | 353.50 | 365.00 | 366.50 | 409.50 | 515.00 | 577.50 | 594.50 | 537.00 | 510.50 | 359.50 | 368.00 | 5350.00 | |||||||||||||
2011 | 374.07 | a | 259.78 | a | 375.00 | 385.00 | 458.50 | 499.00 | 572.50 | 568.50 | 544.14 | a | 589.00 | 349.50 | 251.00 | 5225.98 | ||||||||||
2012 | 344.00 | 286.50 | 321.88 | a | 407.50 | 427.50 | 477.41 | a | 571.50 | 556.00 | 480.50 | 561.88 | c | 504.44 | c | 321.37 | a | 5260.48 | ||||||||
2013 | 334.00 | 228.31 | b | 334.00 | 15.50 | 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 | 896.31 | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 329.45 | 320.98 | 365.67 | 378.71 | 451.43 | 497.94 | 559.25 | 586.62 | 571.78 | 529.67 | 420.19 | 344.12 | 5356.08 | |||||||||||||
S.D. | 71.59 | 61.33 | 60.64 | 51.49 | 53.31 | 47.62 | 47.48 | 52.23 | 51.84 | 51.75 | 56.07 | 64.41 | 353.71 | |||||||||||||
SKEW | -0.28 | -0.12 | 0.33 | -0.16 | 0.16 | 0.37 | -0.44 | -0.19 | 0.34 | 0.04 | 0.42 | -0.28 | 0.06 | |||||||||||||
MAX | 519.50 | 453.00 | 517.00 | 506.00 | 624.00 | 651.50 | 663.50 | 712.50 | 719.42 | 657.50 | 579.00 | 461.50 | 6190.81 | |||||||||||||
MIN | 113.00 | 183.50 | 238.00 | 269.50 | 296.50 | 386.50 | 423.00 | 451.50 | 447.00 | 396.50 | 293.00 | 196.50 | 4618.00 | |||||||||||||
NO YRS | 70 | 69 | 69 | 68 | 67 | 68 | 71 | 70 | 70 | 73 | 67 | 70 | 53 |