YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1930 | 0.00 | z | 0.00 | z | 0.00 | z | 223.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 223.50 | ||
1931 | 454.50 | 310.50 | 259.50 | 152.50 | 27.00 | 10.00 | 0.00 | 0.00 | 9.31 | a | 75.50 | 308.00 | 563.50 | 2170.31 | ||||||||||||
1932 | 565.50 | 465.50 | 264.00 | 246.50 | 81.00 | 15.00 | 18.50 | 7.50 | 3.00 | 97.00 | 220.50 | 688.50 | 2672.50 | |||||||||||||
1933 | 684.00 | 485.50 | 355.00 | 286.50 | 283.00 | 69.50 | 1.50 | 5.50 | 20.50 | 35.00 | 301.00 | 543.00 | 3070.00 | |||||||||||||
1934 | 526.00 | 356.50 | 183.00 | 121.00 | 59.00 | 42.00 | 14.50 | 1.00 | 39.50 | 105.00 | 299.00 | 536.50 | 2283.00 | |||||||||||||
1935 | 615.50 | 489.00 | 547.50 | 298.50 | 182.50 | 35.50 | 24.00 | 6.00 | 38.50 | 212.50 | 445.50 | 537.00 | 3432.00 | |||||||||||||
1936 | 473.00 | 440.50 | 320.00 | 0.00 | z | 78.50 | 23.50 | 4.00 | 1.50 | 8.00 | 76.50 | 339.00 | 590.00 | 2354.50 | ||||||||||||
1937 | 789.50 | 486.00 | 356.00 | 306.00 | 95.50 | 25.00 | 0.00 | 2.00 | 19.00 | 60.50 | 271.00 | 487.50 | 2898.00 | |||||||||||||
1938 | 575.00 | 431.50 | 454.00 | 308.00 | 114.50 | 30.50 | 0.00 | 11.50 | 17.00 | 166.50 | 401.00 | 516.50 | 3026.00 | |||||||||||||
1939 | 542.50 | 500.50 | 466.50 | 184.50 | 106.00 | 46.00 | 10.85 | a | 0.00 | 23.50 | 108.50 | 306.50 | 465.00 | 2760.35 | ||||||||||||
1940 | 511.50 | 372.34 | a | 302.00 | 226.50 | 87.00 | 2.50 | 1.00 | 1.50 | 10.50 | 123.00 | 367.00 | 419.50 | 2424.34 | ||||||||||||
1941 | 467.50 | 362.00 | 311.00 | 296.50 | 90.00 | 42.50 | 0.00 | 5.00 | 32.50 | 177.50 | 327.50 | 480.00 | 2592.00 | |||||||||||||
1942 | 587.50 | 458.50 | 435.00 | 324.50 | 227.00 | 44.50 | 0.50 | 0.50 | 25.50 | 70.00 | 343.50 | 502.00 | 3019.00 | |||||||||||||
1943 | 526.50 | 421.50 | 358.50 | 238.50 | 121.50 | 92.00 | 4.00 | 4.00 | 5.00 | 136.50 | 328.50 | 487.50 | 2724.00 | |||||||||||||
1944 | 529.00 | 495.00 | 370.50 | 330.52 | a | 121.00 | 79.50 | 4.00 | 1.50 | 15.50 | 69.00 | 418.00 | 515.00 | 2948.52 | ||||||||||||
1945 | 646.00 | 432.50 | 520.00 | 264.00 | 163.00 | 43.00 | 2.00 | 0.00 | 7.00 | 40.50 | 403.00 | 577.00 | 3098.00 | |||||||||||||
1946 | 602.00 | 555.00 | 458.00 | 287.00 | 180.00 | 96.50 | 5.00 | 10.50 | 30.50 | 212.50 | 431.50 | 549.50 | 3418.00 | |||||||||||||
1947 | 738.50 | 447.00 | 357.00 | 189.00 | 70.00 | 34.50 | 13.00 | 5.50 | 13.50 | 148.00 | 477.00 | 589.50 | 3082.50 | |||||||||||||
1948 | 416.00 | 470.00 | 374.50 | 247.00 | 107.00 | 15.52 | a | 8.00 | 0.00 | a | 41.25 | b | 112.63 | a | 363.00 | 697.50 | a | 2852.40 | ||||||||
1949 | 822.02 | a | 570.50 | 429.00 | 223.50 | 131.23 | a | 21.72 | a | 6.50 | 7.00 | 16.00 | 158.00 | 227.00 | 629.50 | 3241.97 | ||||||||||
1950 | 710.50 | 459.50 | 422.00 | 161.67 | c | 70.00 | h | 51.00 | 0.00 | a | 6.00 | 19.50 | 119.35 | a | 240.52 | a | 475.00 | 2665.03 | ||||||||
1951 | 583.00 | 474.88 | c | 453.12 | a | 255.00 | 120.90 | a | 34.14 | a | 16.03 | b | 0.52 | a | 8.00 | 118.00 | 357.41 | a | 570.50 | 2991.50 | ||||||
1952 | 653.50 | 467.50 | 484.63 | a | 226.00 | 125.03 | a | 70.50 | 1.07 | b | 1.00 | 8.28 | a | 57.50 | 421.00 | 546.00 | 3062.01 | |||||||||
1953 | 459.00 | 454.50 | 453.63 | a | 297.86 | b | 263.50 | 96.00 | 5.17 | d | 16.03 | b | 16.00 | 161.64 | c | 310.18 | b | 532.17 | a | 3065.68 | ||||||
1954 | 602.50 | 470.00 | 476.62 | c | 206.00 | 105.50 | 79.29 | b | 0.50 | 29.00 | 23.28 | a | 125.55 | a | 371.38 | a | 613.28 | a | 3102.90 | |||||||
1955 | 700.08 | a | 517.50 | 425.22 | a | 384.83 | a | 164.00 | 73.00 | 26.19 | b | 7.23 | a | 43.97 | a | 110.05 | a | 376.03 | a | 487.50 | 3315.60 | |||||
1956 | 525.50 | 555.30 | b | 427.50 | 286.00 | 135.88 | a | 42.50 | 3.50 | 3.50 | 15.52 | a | 173.00 | 360.00 | 580.50 | 3108.70 | ||||||||||
1957 | 673.00 | 408.15 | b | 362.00 | 213.00 | 153.45 | a | 13.45 | a | 0.00 | 11.50 | 2.07 | a | 112.50 | 400.00 | 442.50 | f | 2349.12 | ||||||||
1958 | 528.00 | 296.50 | 473.00 | 228.50 | 83.50 | 12.00 | 4.00 | 0.00 | 5.50 | 41.00 | 309.50 | 371.50 | 2353.00 | |||||||||||||
1959 | 482.00 | 466.50 | 276.50 | 136.00 | 108.00 | h | 34.29 | b | 3.50 | 11.00 | 31.50 | 87.00 | 331.00 | 548.00 | 2407.29 | |||||||||||
1960 | 618.50 | 480.50 | 350.50 | 280.00 | 189.00 | 3.50 | 3.00 | 8.50 | 18.50 | 160.50 | 411.50 | 629.00 | 3153.00 | |||||||||||||
1961 | 726.50 | 418.50 | 464.00 | 266.00 | 233.00 | 40.00 | 9.00 | 2.00 | 41.50 | 157.00 | 401.50 | 644.50 | 3403.50 | |||||||||||||
1962 | 665.50 | 478.50 | 515.50 | 214.00 | 222.50 | 45.00 | 4.00 | 6.50 | 23.00 | 181.50 | 351.50 | 581.50 | 3289.00 | |||||||||||||
1963 | 724.00 | 289.00 | 489.50 | 431.00 | 183.93 | a | 64.00 | 19.50 | 14.50 | 8.50 | 144.00 | 450.00 | 780.50 | 3598.43 | ||||||||||||
1964 | 662.50 | 530.50 | 495.00 | 339.00 | 266.00 | 120.50 | 28.00 | 4.50 | 52.50 | 64.50 | 456.50 | 471.00 | 3490.50 | |||||||||||||
1965 | 589.50 | 486.00 | 434.00 | 303.50 | 185.00 | 99.00 | 16.00 | 3.00 | 48.50 | 51.50 | 335.00 | 706.50 | 3257.50 | |||||||||||||
1966 | 611.50 | 530.00 | 428.50 | 169.00 | 125.00 | 65.50 | 19.00 | 3.50 | 24.00 | 107.00 | 325.00 | 577.00 | 2985.00 | |||||||||||||
1967 | 553.00 | 498.50 | 457.00 | 512.50 | 197.00 | 98.00 | 0.50 | 0.00 | 0.00 | 80.50 | 270.50 | 609.50 | 3277.00 | |||||||||||||
1968 | 624.50 | 312.00 | 346.50 | 260.50 | 176.50 | 40.00 | 0.50 | 6.00 | 17.50 | 135.00 | 346.00 | 626.50 | 2891.50 | |||||||||||||
1969 | 595.00 | 484.00 | 402.50 | 295.50 | 64.50 | 37.00 | 0.00 | 0.00 | 11.00 | 142.50 | 328.00 | 440.50 | 2800.50 | |||||||||||||
1970 | 467.50 | 362.50 | 335.00 | 338.50 | 84.00 | 18.00 | 0.00 | 1.50 | 20.50 | 173.50 | 307.50 | 585.00 | 2693.50 | |||||||||||||
1971 | 573.00 | 476.00 | 429.00 | 355.00 | 197.50 | 65.00 | 2.50 | 0.00 | 32.00 | 205.00 | 390.50 | 658.50 | 3384.00 | |||||||||||||
1972 | 670.50 | 413.50 | 261.50 | 244.14 | a | 115.22 | a | 17.50 | 0.00 | z | 15.50 | 30.00 | 153.00 | 0.00 | z | 708.50 | 2629.35 | |||||||||
1973 | 612.00 | 0.00 | z | 0.00 | z | 209.00 | 86.50 | 35.50 | 12.50 | 13.50 | 17.00 | 118.00 | 400.50 | 518.22 | a | 2022.72 | ||||||||||
1974 | 561.50 | 466.00 | 350.00 | 310.00 | 160.00 | 22.50 | 21.00 | 1.50 | 2.00 | 86.50 | 371.50 | 0.00 | z | 2352.50 | ||||||||||||
1975 | 578.00 | 411.00 | 400.50 | 422.00 | 124.00 | 39.00 | 18.50 | 4.50 | 2.50 | 180.00 | 412.50 | 550.50 | 3143.00 | |||||||||||||
1976 | 556.00 | 438.50 | 408.50 | 299.50 | 103.50 | 68.50 | 5.50 | 25.50 | 11.00 | 59.93 | a | 265.50 | 546.50 | 2788.43 | ||||||||||||
1977 | 608.50 | 331.50 | 421.00 | 158.28 | a | 254.00 | 50.00 | 16.50 | 11.50 | 44.00 | 65.00 | 0.00 | z | 412.00 | 2372.28 | |||||||||||
1978 | 442.50 | 371.00 | 0.00 | z | 281.50 | 46.00 | 10.34 | a | 1.00 | 7.50 | 12.50 | 79.50 | 432.50 | 708.50 | 2392.84 | |||||||||||
1979 | 632.00 | 462.00 | a | 393.00 | 282.50 | 78.00 | 21.00 | 2.50 | 1.50 | 0.50 | 93.50 | 393.50 | 507.50 | 2867.50 | ||||||||||||
1980 | 502.00 | 343.00 | 389.50 | 232.50 | 175.00 | 62.00 | 12.50 | 3.00 | 7.50 | 119.00 | 329.50 | 529.50 | 2705.00 | |||||||||||||
1981 | 519.50 | 333.50 | 350.00 | 198.00 | 76.00 | 1.50 | 0.00 | 1.50 | 7.00 | 174.50 | 271.00 | 446.50 | 2379.00 | |||||||||||||
1982 | 686.50 | 376.50 | 454.50 | 287.50 | 121.50 | 85.00 | 15.00 | 3.50 | 24.50 | 107.50 | 470.00 | 566.00 | 3198.00 | |||||||||||||
1983 | 612.00 | 354.00 | 352.50 | 329.00 | 143.50 | 16.50 | 12.50 | 0.00 | 5.00 | 40.00 | 374.50 | 454.50 | 2694.00 | |||||||||||||
1984 | 577.50 | 462.50 | 283.50 | 293.00 | 81.50 | 30.50 | 1.50 | 1.00 | 2.50 | 178.50 | 385.00 | 612.00 | 2909.00 | |||||||||||||
1985 | 652.00 | 373.00 | 436.50 | 121.50 | 122.50 | 12.00 | 0.00 | 0.50 | 36.00 | 121.50 | 447.00 | 627.00 | 2949.50 | |||||||||||||
1986 | 414.50 | 296.00 | 228.00 | 226.00 | 113.50 | 9.50 | 3.00 | 0.00 | 88.00 | 72.00 | 302.50 | 615.50 | 2368.50 | |||||||||||||
1987 | 612.00 | 410.00 | 340.00 | 104.50 | 83.00 | 0.00 | z | 8.00 | 0.00 | 0.50 | 38.00 | 339.50 | 532.00 | 2467.50 | ||||||||||||
1988 | 514.50 | 343.50 | 264.00 | 188.50 | 129.50 | 40.00 | 0.50 | 2.50 | 9.00 | 79.50 | 333.50 | 554.00 | 2459.00 | |||||||||||||
1989 | 592.50 | 502.50 | 304.00 | 127.00 | 109.50 | 27.50 | 1.00 | 0.00 | 20.50 | 126.00 | 318.50 | 576.00 | 2705.00 | |||||||||||||
1990 | 528.00 | 499.50 | 311.00 | 121.50 | 114.50 | 11.50 | 0.00 | 0.00 | 0.00 | 49.50 | 349.00 | 714.50 | 2699.00 | |||||||||||||
1991 | 533.50 | 291.50 | 446.50 | 254.50 | 158.50 | 57.00 | 0.00 | 5.00 | 3.00 | 93.50 | 291.50 | 571.00 | 2705.50 | |||||||||||||
1992 | 634.00 | 328.50 | 283.00 | 116.00 | 9.00 | 17.00 | 0.00 | 0.00 | 0.50 | 35.00 | 317.00 | 580.00 | 2320.00 | |||||||||||||
1993 | 590.00 | 431.00 | 243.50 | 198.00 | 71.00 | 25.00 | 0.00 | 0.00 | 9.00 | 50.00 | 369.50 | 576.50 | 2563.50 | |||||||||||||
1994 | 529.00 | 470.00 | 278.00 | 199.00 | 121.50 | 23.00 | 0.00 | 0.00 | 5.00 | 110.50 | 0.00 | z | 622.00 | 2358.00 | ||||||||||||
1995 | 403.00 | 338.00 | 375.00 | 242.50 | 152.00 | 62.50 | 0.50 | 2.50 | 2.00 | 45.00 | 181.00 | 407.50 | 2211.50 | |||||||||||||
1996 | 485.50 | 320.00 | 299.00 | 162.00 | 70.50 | 16.50 | 0.00 | 0.00 | 2.50 | 159.00 | 307.50 | 415.50 | 2238.00 | |||||||||||||
1997 | 510.50 | 354.50 | 255.00 | 166.50 | 22.00 | 7.00 | 0.00 | 0.00 | 0.00 | 100.00 | 277.50 | 554.00 | 2247.00 | |||||||||||||
1998 | 479.50 | 408.00 | 338.00 | 264.00 | 226.50 | 47.50 | 6.00 | 0.00 | 29.50 | 130.50 | 334.00 | 602.00 | 2865.50 | |||||||||||||
1999 | 520.00 | 430.50 | 413.00 | 248.00 | 158.00 | 50.50 | 3.00 | 1.00 | 0.50 | 40.00 | 257.50 | 503.00 | 2625.00 | |||||||||||||
2000 | 432.00 | 362.50 | 300.00 | 139.00 | 96.50 | 15.50 | 10.00 | 0.00 | 10.00 | 0.00 | z | 450.00 | 483.50 | 2299.00 | ||||||||||||
2001 | 581.00 | 427.00 | 232.00 | 289.50 | 16.00 | 4.50 | 3.00 | 0.00 | 1.50 | 35.50 | 249.00 | 491.00 | 2330.00 | |||||||||||||
2002 | 574.50 | 369.00 | 356.50 | 197.00 | 111.00 | 12.50 | 0.00 | 2.50 | 7.50 | 99.50 | 278.50 | 463.00 | 2471.50 | |||||||||||||
2003 | 406.00 | 416.00 | 264.50 | 310.50 | 109.50 | 13.50 | 2.00 | 0.00 | 0.00 | 30.00 | 395.50 | 473.00 | 2420.50 | |||||||||||||
2004 | 545.00 | 422.00 | 155.50 | 146.00 | 69.50 | 8.00 | 0.00 | 0.50 | 19.00 | 155.00 | 376.00 | 494.50 | 2391.00 | |||||||||||||
2005 | 589.00 | 336.00 | 270.00 | 234.00 | 74.50 | 29.50 | 0.00 | 0.00 | 11.50 | 78.50 | 266.50 | 430.50 | 2320.00 | |||||||||||||
2006 | 464.50 | 372.00 | 454.00 | 251.00 | 48.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1589.50 | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 573.01 | 423.07 | 370.73 | 246.93 | 126.37 | 39.47 | 5.88 | 4.14 | 16.91 | 108.06 | 346.88 | 551.44 | 2833.49 | |||||||||||||
S.D. | 89.56 | 70.60 | 85.97 | 77.86 | 60.65 | 27.87 | 7.37 | 5.73 | 15.88 | 48.85 | 64.56 | 83.29 | 373.70 | |||||||||||||
SKEW | 0.30 | -0.14 | -0.23 | 0.52 | 0.56 | 0.82 | 1.29 | 2.18 | 1.61 | 0.22 | -0.09 | 0.30 | -0.01 | |||||||||||||
MAX | 822.02 | 570.50 | 547.50 | 512.50 | 283.00 | 120.50 | 28.00 | 29.00 | 88.00 | 212.50 | 477.00 | 780.50 | 3598.43 | |||||||||||||
MIN | 403.00 | 289.00 | 155.50 | 104.50 | 9.00 | 1.50 | 0.00 | 0.00 | 0.00 | 30.00 | 181.00 | 371.50 | 2170.31 | |||||||||||||
NO YRS | 76 | 75 | 74 | 76 | 74 | 74 | 74 | 75 | 75 | 74 | 72 | 73 | 63 |