YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 83.50 | 67.50 | 121.00 | 166.00 | 345.00 | 611.50 | 1394.50 | |||||||
1949 | 725.00 | 533.50 | 419.00 | 262.00 | 210.00 | 131.50 | 151.50 | 103.00 | 69.00 | 258.50 | 217.00 | 548.50 | 3628.50 | |||||||||||||
1950 | 629.50 | 443.00 | 434.50 | 336.50 | 317.50 | 145.00 | 105.50 | 82.50 | 72.00 | 167.50 | 188.50 | 360.50 | 3282.50 | |||||||||||||
1951 | 523.00 | 409.50 | 405.50 | 347.00 | 225.00 | 187.50 | 91.50 | 126.50 | 84.50 | 160.00 | 313.00 | 519.50 | 3392.50 | |||||||||||||
1952 | 579.50 | 422.00 | 510.50 | 288.00 | 191.50 | 160.50 | 78.50 | 87.00 | 68.50 | 200.50 | 381.50 | 474.00 | 3442.00 | |||||||||||||
1953 | 395.00 | 431.50 | 424.50 | 395.00 | 287.50 | 193.00 | 117.50 | 84.50 | 85.34 | a | 195.00 | 320.50 | 449.00 | 3378.34 | ||||||||||||
1954 | 532.50 | 306.50 | 454.00 | 293.00 | 224.00 | 145.50 | 78.00 | 119.50 | 101.50 | 205.50 | 297.00 | 483.50 | 3240.50 | |||||||||||||
1955 | 600.00 | 463.00 | 392.00 | 419.50 | 245.00 | 165.50 | 139.00 | 148.50 | 187.00 | 191.00 | 372.50 | 431.50 | 3754.50 | |||||||||||||
1956 | 485.50 | 539.50 | 441.00 | 340.50 | 220.50 | 141.00 | 127.50 | 141.00 | 65.00 | 242.00 | 277.00 | 468.00 | 3488.50 | |||||||||||||
1957 | 603.00 | 328.50 | 334.00 | 272.00 | 192.50 | 74.50 | 65.00 | 82.50 | 50.50 | 139.00 | 345.00 | 439.00 | 2925.50 | |||||||||||||
1958 | 456.00 | 312.50 | 457.50 | 263.50 | 130.00 | 64.00 | 49.50 | 45.00 | 28.50 | 102.50 | 311.50 | 289.50 | 2510.00 | |||||||||||||
1959 | 415.50 | 424.00 | 281.50 | 240.50 | 212.50 | 92.00 | 63.50 | 43.50 | 95.00 | 125.50 | 257.00 | 418.00 | 2668.50 | |||||||||||||
1960 | 534.00 | 411.00 | 318.50 | 283.00 | 197.50 | 93.00 | 62.00 | 111.00 | 115.00 | 219.58 | a | 379.50 | 478.50 | 3202.58 | ||||||||||||
1961 | 418.00 | 360.00 | 412.50 | 293.04 | b | 231.50 | 91.00 | 37.50 | g | 30.50 | 85.50 | 206.50 | 381.00 | 533.20 | a | 3042.74 | ||||||||||
1962 | 501.50 | 444.50 | 454.00 | 262.00 | 266.00 | 177.00 | 162.50 | 53.00 | 153.50 | 177.50 | 318.50 | 454.00 | 3424.00 | |||||||||||||
1963 | 560.50 | 253.50 | 415.00 | 375.00 | 224.50 | 143.50 | 88.00 | 81.00 | 21.50 | 133.00 | 347.50 | 480.00 | 3123.00 | |||||||||||||
1964 | 537.00 | 422.50 | 450.00 | 335.50 | 280.50 | 127.00 | 68.50 | 80.50 | 113.00 | 118.50 | 390.50 | 433.50 | 3357.00 | |||||||||||||
1965 | 464.00 | 388.50 | 390.00 | 285.00 | 262.50 | 191.00 | 80.50 | 18.00 | 89.00 | 96.50 | 295.00 | 560.50 | 3120.50 | |||||||||||||
1966 | 531.00 | 465.00 | 380.50 | 230.50 | 221.00 | 101.50 | 97.50 | 88.00 | 63.00 | 117.00 | 303.00 | 451.50 | 3049.50 | |||||||||||||
1967 | 451.50 | 369.00 | 405.00 | 468.00 | 186.50 | 196.50 | 60.50 | 74.00 | 13.00 | 99.00 | 249.00 | 551.00 | 3123.00 | |||||||||||||
1968 | 509.50 | 281.00 | 334.00 | 271.50 | 235.00 | 102.50 | 83.00 | 61.00 | 68.00 | 213.00 | 351.00 | 559.00 | 3068.50 | |||||||||||||
1969 | 526.00 | 470.50 | 409.00 | 325.50 | 185.00 | 106.00 | 90.50 | 118.50 | 77.00 | 144.00 | 250.00 | 411.50 | 3113.50 | |||||||||||||
1970 | 414.00 | 310.50 | 320.00 | 366.00 | 180.50 | 125.50 | 85.00 | 86.00 | 82.50 | 227.00 | 304.00 | 546.00 | 3047.00 | |||||||||||||
1971 | 501.50 | 422.50 | 400.50 | 362.50 | 267.00 | 121.00 | 89.50 | 35.50 | 67.50 | 256.50 | 407.00 | 616.00 | 3547.00 | |||||||||||||
1972 | 553.00 | 348.00 | 299.00 | 313.00 | 202.50 | 55.50 | 45.00 | 47.50 | 70.00 | 114.00 | 361.00 | 583.00 | 2991.50 | |||||||||||||
1973 | 541.00 | 340.00 | 446.00 | 278.50 | 200.50 | 61.00 | 115.50 | 93.50 | 93.00 | 199.50 | 402.50 | 466.50 | 3237.50 | |||||||||||||
1974 | 522.00 | 432.50 | 383.50 | 298.00 | 287.00 | 119.00 | 93.50 | 93.50 | 88.50 | 178.50 | 336.50 | 512.00 | 3344.50 | |||||||||||||
1975 | 469.50 | 400.50 | 405.00 | 443.00 | 237.00 | 169.50 | 102.50 | 89.00 | 97.50 | 214.50 | 384.50 | 479.00 | 3491.50 | |||||||||||||
1976 | 473.27 | a | 415.00 | 430.50 | 349.50 | 206.00 | 108.50 | 54.25 | a | 31.50 | 70.50 | 118.50 | 210.50 | 446.50 | 2914.52 | |||||||||||
1977 | 474.50 | 302.00 | 436.00 | 280.00 | 289.50 | 125.50 | 86.00 | 30.00 | 77.00 | 137.50 | 282.00 | 363.50 | 2883.50 | |||||||||||||
1978 | 375.50 | 336.00 | 234.50 | 316.50 | 140.50 | 117.50 | 88.50 | 57.50 | 67.50 | 215.50 | 429.00 | 608.50 | 2987.00 | |||||||||||||
1979 | 554.00 | 480.00 | 364.50 | 259.00 | 173.00 | 109.50 | 49.50 | 53.50 | 16.00 | 137.50 | 360.00 | 455.50 | 3012.00 | |||||||||||||
1980 | 430.00 | 307.00 | 355.50 | 254.50 | 252.50 | 130.50 | 39.50 | 67.50 | 87.50 | 190.50 | 313.00 | 395.00 | 2823.00 | |||||||||||||
1981 | 365.00 | 325.50 | 380.50 | 259.00 | 193.00 | 53.50 | 119.00 | 106.00 | 113.00 | 247.00 | 259.50 | 411.50 | 2832.50 | |||||||||||||
1982 | 573.50 | 328.00 | 418.50 | 276.50 | 233.00 | 155.50 | 55.50 | 50.00 | 75.00 | 154.00 | 346.50 | 459.00 | 3125.00 | |||||||||||||
1983 | 415.50 | 332.00 | 358.00 | 314.50 | 180.00 | 98.50 | 41.50 | 9.00 | 13.50 | 87.50 | 343.00 | 406.00 | 2599.00 | |||||||||||||
1984 | 435.50 | 389.50 | 280.50 | 291.00 | 99.00 | 122.00 | 23.00 | 22.50 | 17.50 | 201.50 | 380.50 | 513.50 | 2776.00 | |||||||||||||
1985 | 508.00 | 362.00 | 443.50 | 206.50 | 227.50 | 72.50 | 34.50 | 49.00 | 73.00 | 221.00 | 408.50 | 438.50 | 3044.50 | |||||||||||||
1986 | 322.00 | 296.50 | 255.00 | 276.50 | 202.50 | 73.00 | 86.00 | 73.00 | 153.50 | 140.50 | 265.00 | 449.00 | 2592.50 | |||||||||||||
1987 | 498.50 | 335.50 | 348.00 | 202.50 | 126.50 | 93.50 | 62.00 | 33.00 | 51.50 | 94.50 | 304.50 | 475.50 | 2625.50 | |||||||||||||
1988 | 439.50 | 297.00 | 263.50 | 207.00 | 184.50 | 105.50 | 34.50 | 40.00 | 71.50 | 177.50 | 310.00 | 495.00 | 2625.50 | |||||||||||||
1989 | 510.50 | 454.00 | 297.50 | 209.50 | 193.50 | 74.00 | 59.50 | 99.00 | 109.50 | 182.50 | 285.00 | 401.00 | 2875.50 | |||||||||||||
1990 | 455.00 | 437.50 | 371.00 | 171.50 | 181.00 | 58.00 | 25.50 | 26.50 | 26.50 | 129.00 | 315.00 | 602.00 | 2798.50 | |||||||||||||
1991 | 476.50 | 283.00 | 467.50 | 305.50 | 245.00 | 172.00 | 88.00 | 28.50 | 75.00 | 123.50 | 272.00 | 443.50 | 2980.00 | |||||||||||||
1992 | 447.00 | 275.00 | 272.00 | 123.50 | 108.00 | 71.00 | 11.00 | 25.00 | 50.50 | 77.00 | 271.00 | 484.00 | 2215.00 | |||||||||||||
1993 | 495.50 | 392.00 | 245.00 | 226.50 | 127.00 | 60.50 | 85.50 | 26.50 | 88.50 | 101.50 | 314.50 | 438.50 | 2601.50 | |||||||||||||
1994 | 389.00 | 412.50 | 271.00 | 248.50 | 199.50 | 101.00 | 131.00 | 71.50 | 61.50 | 171.50 | 462.50 | 489.50 | 3009.00 | |||||||||||||
1995 | 371.00 | 250.00 | 338.00 | 274.00 | 236.00 | 98.50 | 14.00 | 41.00 | 46.50 | 119.00 | 197.50 | 358.00 | 2343.50 | |||||||||||||
1996 | 380.50 | 289.00 | 294.00 | 196.00 | 158.50 | 111.50 | 56.50 | 72.00 | 104.00 | 188.50 | 295.50 | 377.50 | 2523.50 | |||||||||||||
1997 | 408.00 | 323.00 | 312.00 | 201.00 | 83.00 | 93.00 | 68.50 | 21.00 | 3.50 | 139.00 | 239.00 | 415.00 | 2306.00 | |||||||||||||
1998 | 374.00 | 379.50 | 320.50 | 284.50 | 249.00 | 110.00 | 56.00 | 41.50 | 76.50 | 207.50 | 355.00 | 557.00 | 3011.00 | |||||||||||||
1999 | 457.00 | 431.00 | 443.00 | 324.00 | 276.00 | 199.00 | 90.50 | 48.50 | 121.00 | 149.00 | 303.00 | 438.50 | 3280.50 | |||||||||||||
2000 | 434.50 | 345.50 | 339.50 | 219.00 | 143.50 | 107.00 | 108.00 | 86.50 | 71.50 | 207.00 | 428.50 | 382.50 | 2873.00 | |||||||||||||
2001 | 497.00 | 406.00 | 299.00 | 350.50 | 139.00 | 84.11 | b | 104.50 | 85.77 | a | 5.50 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1965.87 | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 481.86 | 375.79 | 370.09 | 288.20 | 206.92 | 116.71 | 78.24 | 66.43 | 76.36 | 165.77 | 321.44 | 470.03 | 3011.95 | |||||||||||||
S.D. | 76.54 | 69.62 | 68.14 | 66.96 | 52.13 | 40.21 | 33.51 | 33.47 | 36.36 | 47.70 | 61.40 | 71.55 | 350.28 | |||||||||||||
SKEW | 0.47 | 0.21 | -0.22 | 0.32 | -0.28 | 0.43 | 0.23 | 0.40 | 0.37 | 0.05 | -0.03 | 0.17 | -0.18 | |||||||||||||
MAX | 725.00 | 539.50 | 510.50 | 468.00 | 317.50 | 199.00 | 162.50 | 148.50 | 187.00 | 258.50 | 462.50 | 616.00 | 3754.50 | |||||||||||||
MIN | 322.00 | 250.00 | 234.50 | 123.50 | 83.00 | 53.50 | 11.00 | 9.00 | 3.50 | 77.00 | 188.50 | 289.50 | 2215.00 | |||||||||||||
NO YRS | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 54 | 53 | 53 | 53 | 53 | 51 |