YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1918 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 591.35 | d | 490.50 | 217.00 | 98.00 | 1396.85 | ||||
1919 | 122.00 | 72.50 | 94.50 | 214.50 | 318.00 | 419.50 | 527.00 | 533.50 | 450.50 | 280.50 | 190.50 | 115.00 | 3338.00 | |||||||||||||
1920 | 89.50 | 145.00 | 119.00 | 163.00 | 290.00 | 370.00 | 468.00 | 560.50 | 429.00 | 264.50 | 178.50 | 71.50 | 3148.50 | |||||||||||||
1921 | 72.50 | 100.00 | 188.00 | 156.00 | 226.00 | 366.50 | 542.00 | 532.00 | 458.00 | 416.50 | 257.50 | 234.50 | 3549.50 | |||||||||||||
1922 | 57.50 | 92.00 | 108.50 | 139.50 | 281.50 | 376.50 | 513.50 | 576.00 | 534.50 | 356.50 | 125.50 | 172.50 | 3334.00 | |||||||||||||
1923 | 101.00 | 84.00 | 147.50 | 214.00 | 352.50 | 338.50 | 475.50 | 512.00 | 472.00 | 348.50 | 323.50 | 166.00 | 3535.00 | |||||||||||||
1924 | 66.00 | 159.00 | 145.50 | 212.50 | 347.00 | 408.50 | 487.00 | 487.50 | 425.00 | 236.50 | 204.00 | 84.50 | 3263.00 | |||||||||||||
1925 | 45.50 | 96.00 | 146.50 | 205.00 | 332.00 | 401.50 | 590.00 | 529.00 | 410.00 | 367.00 | 251.50 | 215.50 | 3589.50 | |||||||||||||
1926 | 115.50 | 197.50 | 322.00 | 383.50 | 400.00 | 468.00 | 515.50 | 562.00 | 409.50 | 357.50 | 335.50 | 103.00 | 4169.50 | |||||||||||||
1927 | 73.50 | 136.00 | 146.50 | 198.50 | 299.50 | 353.00 | 517.50 | 529.00 | 433.50 | 332.65 | e | 292.50 | 119.00 | 3431.15 | ||||||||||||
1928 | 134.00 | 119.62 | a | 199.00 | 175.50 | 369.00 | 393.10 | a | 460.50 | 487.00 | 415.50 | 321.00 | 208.00 | 113.50 | 3395.73 | |||||||||||
1929 | 52.50 | 40.50 | 103.00 | 168.50 | 326.00 | 408.50 | 567.50 | 616.50 | 507.50 | 430.00 | 224.00 | 192.50 | 3637.00 | |||||||||||||
1930 | 119.00 | 143.50 | 234.00 | 298.00 | 280.50 | 406.03 | a | 558.00 | 590.00 | 457.00 | 379.50 | 301.00 | 100.00 | 3866.53 | ||||||||||||
1931 | 124.50 | 193.00 | 242.50 | 345.00 | 467.00 | 498.00 | 688.50 | 697.50 | 533.50 | 424.50 | 180.50 | 46.00 | 4440.50 | |||||||||||||
1932 | 39.00 | 116.50 | 168.50 | 228.50 | 322.00 | 375.00 | 453.00 | 469.50 | 431.00 | 338.00 | 310.00 | 63.50 | 3314.50 | |||||||||||||
1933 | 30.50 | 15.00 | 126.00 | 179.50 | 191.50 | 327.00 | 467.50 | 495.00 | 351.00 | 335.00 | 231.00 | 60.00 | 2809.00 | |||||||||||||
1934 | 78.00 | 173.00 | 290.88 | a | 310.00 | 400.50 | 399.50 | 561.50 | 566.00 | 527.50 | 389.50 | 258.50 | 216.50 | 4171.38 | ||||||||||||
1935 | 124.00 | 142.50 | 88.50 | 235.00 | 316.00 | 369.50 | 501.50 | 605.50 | 486.00 | 337.50 | 114.00 | 117.50 | 3437.50 | |||||||||||||
1936 | 90.50 | 130.50 | 163.50 | 194.50 | 354.00 | 414.00 | 587.50 | 619.50 | 483.00 | 390.50 | 267.00 | 149.00 | 3843.50 | |||||||||||||
1937 | 5.00 | 52.50 | 144.50 | 207.50 | 345.00 | 397.00 | 533.50 | 542.50 | 521.50 | 366.50 | 207.00 | 203.50 | 3526.00 | |||||||||||||
1938 | 149.50 | 137.50 | 163.00 | 237.00 | 318.50 | 372.00 | 493.50 | 552.50 | 542.00 | 329.00 | 147.50 | 194.00 | 3636.00 | |||||||||||||
1939 | 67.50 | 16.00 | 97.50 | 274.50 | 326.00 | 390.50 | 519.50 | 571.00 | 651.00 | 449.00 | 299.00 | 216.00 | 3877.50 | |||||||||||||
1940 | 183.50 | 163.50 | 228.50 | 308.50 | 401.00 | 411.50 | 491.50 | 524.50 | 472.00 | 434.00 | 251.00 | 266.00 | 4135.50 | |||||||||||||
1941 | 135.00 | 198.50 | 272.00 | 254.50 | 432.50 | 392.00 | 499.50 | 542.00 | 431.00 | 397.50 | 266.00 | 133.00 | 3953.50 | |||||||||||||
1942 | 134.50 | 54.50 | 119.50 | 227.50 | 303.50 | 370.50 | 519.00 | 537.50 | 434.00 | 392.00 | 189.83 | a | 97.50 | 3379.83 | ||||||||||||
1943 | 99.50 | 158.50 | 215.50 | 240.00 | 360.50 | 361.50 | 506.00 | 579.00 | 486.50 | 402.50 | 227.00 | 181.00 | 3817.50 | |||||||||||||
1944 | 87.00 | 69.00 | 139.50 | 192.00 | 334.00 | 365.00 | 451.50 | 506.00 | 447.50 | 370.00 | 227.50 | 160.00 | 3349.00 | |||||||||||||
1945 | 65.00 | 109.00 | 102.00 | 166.50 | 304.50 | 398.00 | 518.00 | 596.50 | 550.00 | 450.00 | 197.00 | 147.00 | 3603.50 | |||||||||||||
1946 | 81.50 | 32.50 | 129.50 | 282.00 | 353.50 | 344.50 | 534.00 | 587.00 | 534.50 | 333.50 | 166.00 | 121.00 | 3499.50 | |||||||||||||
1947 | 32.00 | 131.00 | 226.50 | 302.50 | 360.00 | 443.50 | 508.00 | 572.50 | 545.50 | 399.50 | 171.50 | 124.00 | 3816.50 | |||||||||||||
1948 | 84.00 | 52.50 | 87.50 | 227.00 | 283.00 | 369.00 | 418.50 | 461.50 | 450.50 | 356.00 | 164.50 | 39.50 | 2993.50 | |||||||||||||
1949 | 9.50 | 33.50 | 93.00 | 252.00 | 319.00 | 425.00 | 496.50 | 515.50 | 501.00 | 340.50 | 320.00 | 74.50 | 3380.00 | |||||||||||||
1950 | 28.50 | 66.50 | 168.50 | 236.50 | 252.00 | 348.00 | 512.50 | 476.50 | 278.00 | l | 393.00 | 258.00 | 157.50 | 2897.50 | ||||||||||||
1951 | 64.00 | 67.00 | 104.50 | j | 239.50 | 289.50 | 394.00 | 513.00 | 505.00 | 457.76 | a | 407.50 | 258.00 | 87.50 | 3282.76 | |||||||||||
1952 | 74.50 | 133.00 | 124.00 | 208.50 | 339.00 | 332.00 | 467.00 | 538.00 | 510.00 | 372.50 | 178.50 | 97.00 | 3374.00 | |||||||||||||
1953 | 157.00 | 74.00 | 109.00 | 178.00 | 282.00 | 330.00 | 557.50 | 523.50 | 443.50 | 420.00 | 281.50 | 96.50 | 3452.50 | |||||||||||||
1954 | 42.00 | 208.50 | 122.00 | 249.50 | 335.00 | 384.00 | 580.00 | 559.50 | 489.50 | 318.00 | 279.00 | 140.50 | 3707.50 | |||||||||||||
1955 | 30.50 | 107.50 | 168.00 | 168.50 | 291.00 | 281.50 | f | 341.00 | i | 442.50 | h | 466.00 | f | 225.00 | i | 139.00 | h | 110.00 | g | 765.50 | ||||||
1956 | 63.50 | f | 22.50 | h | 61.50 | j | 138.00 | g | 270.00 | i | 294.50 | h | 370.00 | i | 380.00 | i | 384.00 | i | 289.50 | h | 159.50 | k | 102.00 | m | 0.00 | |
1957 | 115.06 | e | 141.50 | g | 193.15 | e | 177.00 | g | 258.50 | f | 342.00 | h | 386.00 | i | 451.50 | h | 332.00 | j | 292.50 | h | 137.50 | j | 173.50 | h | 308.21 | |
1958 | 126.00 | g | 138.50 | h | 118.00 | g | 230.00 | g | 289.00 | h | 312.00 | i | 399.50 | h | 433.50 | j | 419.00 | h | 407.50 | h | 155.50 | j | 151.50 | h | 0.00 | |
1959 | 129.50 | h | 106.40 | c | 210.00 | h | 266.50 | h | 253.50 | i | 329.00 | h | 456.00 | i | 456.00 | i | 370.00 | j | 318.50 | h | 198.50 | k | 158.00 | g | 106.40 | |
1960 | 48.00 | i | 60.00 | h | 127.50 | h | 182.00 | g | 244.50 | i | 311.00 | h | 348.50 | l | 429.50 | h | 391.00 | i | 283.00 | i | 157.50 | g | 70.00 | h | 0.00 | |
1961 | 152.00 | h | 109.00 | i | 154.00 | g | 167.00 | i | 204.00 | j | 270.00 | h | 375.00 | j | 413.00 | i | 284.00 | l | 269.00 | i | 167.50 | j | 91.00 | f | 0.00 | |
1962 | 96.50 | f | 132.70 | e | 66.00 | g | 161.00 | i | 213.00 | g | 236.50 | j | 332.50 | i | 392.50 | h | 289.50 | k | 259.00 | h | 133.50 | l | 85.50 | i | 132.70 | |
1963 | 80.50 | h | 191.50 | f | 124.50 | f | 171.35 | d | 276.50 | g | 298.50 | f | 354.50 | h | 403.50 | j | 522.50 | g | 337.50 | i | 213.50 | f | 123.00 | i | 171.35 | |
1964 | 65.50 | f | 97.44 | d | 109.00 | f | 225.60 | e | 184.00 | g | 335.40 | e | 379.50 | f | 388.50 | j | 373.00 | f | 395.50 | g | 204.60 | e | 128.50 | 991.54 | ||
1965 | 100.50 | f | 84.00 | d | 162.15 | e | 232.78 | c | 216.00 | i | 236.00 | h | 309.00 | i | 421.50 | h | 441.60 | e | 396.50 | g | 243.50 | g | 124.00 | g | 920.53 | |
1966 | 46.50 | i | 56.50 | g | 127.50 | g | 204.50 | h | 262.00 | i | 329.50 | g | 369.50 | i | 635.50 | b | 504.00 | 453.50 | 286.00 | 167.29 | b | 2046.29 | ||||
1967 | 91.00 | 135.00 | 225.50 | 116.00 | 319.30 | a | 325.50 | 535.02 | b | 630.50 | 630.50 | 471.00 | 365.00 | 107.00 | 3951.32 | |||||||||||
1968 | 129.00 | 206.50 | 206.15 | a | 250.50 | 310.00 | a | 372.12 | d | 535.27 | a | 557.50 | 543.50 | 384.50 | 253.50 | 57.87 | a | 3806.40 | ||||||||
1969 | 198.40 | a | 87.50 | 121.00 | 256.50 | 325.50 | 394.66 | a | 514.00 | 597.00 | 508.00 | 338.00 | 308.28 | a | 150.50 | 3799.33 | ||||||||||
1970 | 120.00 | 184.50 | 216.50 | 213.00 | 334.50 | 397.00 | 526.00 | 623.21 | b | 479.00 | 398.50 | 249.83 | a | 102.00 | 3844.03 | |||||||||||
1971 | 127.50 | 101.63 | a | 129.50 | 202.50 | 255.50 | 329.50 | 506.00 | 688.50 | 563.00 | 366.50 | 164.50 | 64.00 | 3498.63 | ||||||||||||
1972 | 27.50 | 112.00 | 216.00 | 241.50 | 357.00 | 446.50 | 594.17 | a | 622.00 | 522.50 | 436.50 | 214.50 | 154.00 | 3944.17 | ||||||||||||
1973 | 77.00 | 165.00 | 132.50 | 0.00 | z | 306.50 | 424.50 | 478.50 | 531.50 | 458.50 | 364.50 | 202.00 | 136.50 | 3277.00 | ||||||||||||
1974 | 101.50 | 88.50 | 159.00 | 217.00 | 311.50 | 402.50 | 555.00 | 539.50 | 502.00 | 425.00 | 260.50 | 103.50 | 3665.50 | |||||||||||||
1975 | 94.50 | 72.00 | 107.00 | 141.50 | 259.50 | 337.50 | 474.00 | 491.50 | 537.50 | 367.00 | 208.50 | 87.50 | 3178.00 | |||||||||||||
1976 | 174.00 | 175.00 | 181.50 | 203.50 | 347.50 | 447.00 | 554.50 | 543.00 | 596.50 | 489.50 | 370.00 | 196.50 | 4278.50 | |||||||||||||
1977 | 186.50 | 206.00 | 130.00 | 252.41 | a | 291.50 | 408.00 | 526.00 | 603.50 | 530.50 | 465.50 | 306.00 | 293.50 | 4199.41 | ||||||||||||
1978 | 226.00 | 191.50 | 326.50 | 276.00 | 398.50 | 472.00 | 519.00 | 555.50 | 582.50 | 506.50 | 226.00 | 78.00 | 4358.00 | |||||||||||||
1979 | 122.50 | 79.00 | 198.50 | 256.50 | 385.00 | 472.50 | 512.50 | 597.00 | 634.00 | 444.00 | 240.50 | 215.50 | 4157.50 | |||||||||||||
1980 | 244.50 | 261.00 | a | 216.00 | 289.00 | 311.55 | a | 387.50 | 556.50 | 635.00 | 504.00 | 426.00 | 267.00 | 191.17 | a | 4289.22 | ||||||||||
1981 | 211.00 | 236.50 | 214.50 | 313.00 | 405.00 | 557.00 | 645.50 | 652.00 | 564.50 | 388.00 | 285.50 | 190.50 | 4663.00 | |||||||||||||
1982 | 142.50 | 239.00 | 257.50 | 303.50 | 409.72 | a | 417.50 | 576.50 | 644.50 | 617.00 | 512.50 | 292.00 | 151.00 | 4563.22 | ||||||||||||
1983 | 258.50 | 222.00 | 299.00 | 283.50 | 411.00 | 460.00 | 610.00 | 757.50 | 732.50 | 596.50 | 345.00 | 250.50 | 5226.00 | |||||||||||||
1984 | 264.50 | 199.00 | 301.50 | 325.00 | 445.50 | 495.50 | 748.50 | 727.00 | 772.00 | 491.00 | 255.00 | 147.50 | 5172.00 | |||||||||||||
1985 | 146.00 | 144.50 | 161.50 | 334.50 | 414.50 | 512.07 | a | 734.00 | 674.00 | 586.00 | 541.50 | 259.50 | 234.00 | 4742.07 | ||||||||||||
1986 | 338.50 | 246.50 | 346.50 | 362.50 | 436.14 | b | 520.00 | 624.02 | d | 679.50 | 503.50 | 495.43 | d | 376.50 | 231.50 | 5160.58 | ||||||||||
1987 | 165.50 | 212.50 | 258.50 | 387.50 | 455.00 | 476.50 | 527.00 | 608.00 | 591.00 | 632.00 | 354.00 | 130.00 | 4797.50 | |||||||||||||
1988 | 197.50 | 284.50 | 345.00 | 353.00 | 424.50 | 432.00 | 630.50 | 642.00 | 608.50 | 531.50 | 298.00 | 214.00 | 4961.00 | |||||||||||||
1989 | 164.00 | 187.50 | 285.50 | 465.50 | 414.00 | 474.00 | 612.50 | 656.00 | 618.50 | 521.50 | 0.00 | z | 288.50 | 4687.50 | ||||||||||||
1990 | 203.00 | 159.00 | 178.00 | k | 390.50 | 445.00 | 567.00 | 673.00 | 668.50 | 642.00 | 579.00 | 364.50 | 196.50 | 4888.00 | ||||||||||||
1991 | 212.50 | 256.50 | 208.50 | 331.50 | 351.00 | 425.50 | 535.00 | 609.50 | 580.00 | 550.50 | 0.00 | z | 221.00 | 4281.50 | ||||||||||||
1992 | 254.00 | 312.00 | 304.00 | 477.00 | 588.00 | 534.00 | 680.50 | 776.00 | 665.50 | 542.00 | 359.00 | 0.00 | z | 5492.00 | ||||||||||||
1993 | 227.50 | 231.00 | 367.50 | 403.50 | 488.50 | 547.00 | 621.50 | 642.00 | 598.00 | 548.00 | 365.00 | 225.00 | 5264.50 | |||||||||||||
1994 | 262.00 | 163.00 | 337.50 | 326.00 | 365.00 | 529.00 | 597.00 | 735.50 | 658.50 | 527.00 | 207.00 | 164.50 | 4872.00 | |||||||||||||
1995 | 221.00 | 340.50 | 349.50 | 347.50 | 365.50 | 452.00 | 601.50 | 699.50 | 670.00 | 533.00 | 374.50 | 229.50 | 5184.00 | |||||||||||||
1996 | 255.50 | 285.00 | 305.00 | 418.00 | 513.00 | 536.00 | 639.00 | 702.00 | 620.19 | d | 456.50 | 355.50 | 248.50 | 5334.19 | ||||||||||||
1997 | 256.00 | 224.50 | 400.00 | 395.50 | 568.50 | 545.00 | 618.50 | 745.50 | 776.50 | 592.50 | 410.50 | 231.50 | 5764.50 | |||||||||||||
1998 | 0.00 | z | 202.50 | 292.00 | 266.00 | 0.00 | z | 0.00 | z | 615.00 | 724.00 | 649.50 | 468.62 | a | 296.00 | 168.00 | 3681.62 | |||||||||
1999 | 195.00 | 164.00 | 163.00 | 247.22 | c | 340.50 | 400.00 | c | 605.50 | 596.23 | a | 109.50 | t | 408.50 | j | 236.50 | h | 171.00 | f | 2711.46 | ||||||
2000 | 238.04 | c | 182.00 | i | 246.21 | e | 361.55 | a | 447.84 | c | 523.89 | c | 592.32 | c | 694.83 | b | 619.66 | a | 456.70 | c | 165.00 | h | 229.63 | d | 4410.66 | |
2001 | 126.00 | 163.69 | b | 279.50 | 269.46 | b | 428.66 | b | 506.50 | 593.13 | a | 611.98 | b | 545.89 | b | 510.97 | b | 287.22 | c | 159.77 | e | 4482.78 | ||||
2002 | 157.87 | d | 72.50 | n | 88.00 | p | 242.00 | 306.50 | 428.50 | 541.50 | 564.00 | 385.00 | j | 439.00 | 404.50 | 187.50 | 3271.37 | |||||||||
2003 | 381.00 | 220.00 | 217.00 | e | 179.50 | i | 245.00 | j | 228.00 | o | 280.00 | q | 257.50 | t | 0.00 | z | 466.50 | f | 295.20 | e | 0.00 | z | 1113.20 | |||
2004 | 111.50 | j | 110.00 | i | 148.00 | p | 87.00 | y | 511.50 | e | 386.00 | f | 399.50 | k | 362.00 | m | 341.50 | o | 267.50 | m | 235.00 | 95.50 | p | 746.50 | ||
2005 | 167.50 | i | 241.50 | 192.50 | k | 206.00 | j | 303.50 | i | 369.50 | g | 466.00 | g | 442.00 | j | 323.50 | m | 0.00 | z | 223.50 | m | 109.50 | q | 241.50 | ||
2006 | 94.50 | m | 211.83 | e | 0.00 | z | 215.00 | i | 232.50 | n | 322.00 | n | 506.00 | k | 347.50 | o | 256.00 | q | 297.00 | k | 269.50 | k | 109.50 | n | 211.83 | |
2007 | 112.00 | i | 131.00 | g | 204.00 | j | 221.00 | f | 259.50 | l | 270.00 | l | 387.50 | k | 421.50 | m | 279.00 | q | 254.50 | p | 186.50 | p | 89.50 | p | 0.00 | |
2008 | 99.50 | j | 143.50 | h | 179.50 | l | 244.50 | i | 254.50 | k | 292.50 | m | 56.00 | z | 0.00 | z | 372.00 | m | 365.00 | l | 253.50 | m | 116.50 | n | 0.00 | |
2009 | 250.50 | f | 208.00 | 259.50 | 265.00 | g | 440.00 | 500.50 | 659.00 | 689.50 | 662.00 | 445.50 | 305.00 | 166.00 | 4335.00 | |||||||||||
2010 | 217.00 | 205.50 | 293.00 | 267.00 | 339.50 | 401.50 | 499.00 | 553.50 | 521.00 | 449.50 | 310.50 | 232.00 | 4289.00 | |||||||||||||
2011 | 257.50 | 149.50 | 243.50 | 349.50 | 388.53 | a | 425.00 | 599.00 | 589.50 | 549.50 | 471.00 | 279.11 | b | 115.50 | 4417.14 | |||||||||||
2012 | 215.50 | 205.50 | 256.00 | 323.50 | 454.50 | 450.00 | 574.50 | 690.00 | 696.50 | 548.00 | 345.00 | 220.00 | 4979.00 | |||||||||||||
2013 | 181.00 | 139.00 | 280.00 | 12.50 | 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 | 600.00 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 139.08 | 151.34 | 204.31 | 263.62 | 360.69 | 420.90 | 551.85 | 595.35 | 537.62 | 427.16 | 264.22 | 156.36 | 4009.66 | |||||||||||||
S.D. | 79.91 | 70.82 | 79.52 | 77.45 | 74.46 | 63.32 | 66.62 | 75.10 | 89.13 | 82.47 | 67.39 | 61.46 | 673.74 | |||||||||||||
SKEW | 0.56 | 0.22 | 0.42 | 0.59 | 0.68 | 0.57 | 0.70 | 0.41 | 0.53 | 0.25 | 0.06 | 0.12 | 0.64 | |||||||||||||
MAX | 381.00 | 340.50 | 400.00 | 477.00 | 588.00 | 567.00 | 748.50 | 776.00 | 776.50 | 632.00 | 410.50 | 293.50 | 5764.50 | |||||||||||||
MIN | 5.00 | 15.00 | 87.50 | 116.00 | 191.50 | 325.50 | 418.50 | 461.50 | 351.00 | 236.50 | 114.00 | 39.50 | 2809.00 | |||||||||||||
NO YRS | 78 | 83 | 78 | 78 | 77 | 76 | 76 | 77 | 76 | 77 | 77 | 77 | 64 |