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 | 234.57 | a | 205.00 | 234.00 | 342.50 | 514.14 | a | 666.00 | 2196.20 | |||||
1949 | 736.50 | 575.50 | 492.50 | 405.00 | 319.00 | 260.00 | 282.00 | 196.00 | 204.00 | 393.50 | 321.00 | 594.50 | 4779.50 | |||||||||||||
1950 | 717.50 | 493.00 | 535.00 | 430.50 | 421.50 | 268.50 | 222.50 | 193.23 | a | 236.50 | 299.27 | e | 327.50 | 394.50 | 4539.50 | |||||||||||
1951 | 558.50 | 479.00 | 578.50 | 430.50 | 348.00 | 301.50 | 219.00 | 241.44 | e | 239.00 | 277.50 | 386.90 | a | 570.00 | 4629.84 | |||||||||||
1952 | 631.50 | 502.00 | 577.50 | 451.00 | 367.50 | 302.50 | 218.50 | 236.52 | d | 246.72 | a | 306.50 | 440.17 | a | 519.50 | 4799.92 | ||||||||||
1953 | 466.00 | 484.00 | 543.00 | 474.50 | 380.50 | 298.00 | 231.00 | 163.00 | 141.11 | c | 206.00 | g | 377.00 | 488.00 | 4046.11 | |||||||||||
1954 | 562.50 | 422.50 | 501.50 | 399.50 | 368.50 | 305.00 | 248.00 | 199.50 | 184.00 | 300.00 | 358.00 | 512.00 | 4361.00 | |||||||||||||
1955 | 603.50 | 543.00 | 535.00 | 534.00 | 405.00 | 289.50 | 251.00 | 299.31 | b | 241.50 | 364.00 | 462.00 | 501.00 | 5028.81 | ||||||||||||
1956 | 489.00 | 586.00 | 527.00 | 429.50 | 323.00 | 269.50 | 209.00 | 182.00 | 212.59 | a | 348.50 | 438.50 | 570.18 | c | 4584.76 | |||||||||||
1957 | 498.00 | g | 458.77 | b | 474.54 | e | 433.45 | a | 322.92 | a | 212.22 | c | 226.09 | b | 207.18 | a | 162.78 | c | 267.50 | 418.89 | c | 503.75 | a | 3688.08 | ||
1958 | 436.77 | c | 332.00 | 521.00 | 405.50 | 283.81 | b | 142.50 | 166.33 | e | 160.34 | b | 151.03 | a | 300.38 | b | 405.56 | c | 388.57 | b | 3693.79 | |||||
1959 | 495.48 | a | 504.00 | a | 511.50 | 400.50 | 373.55 | a | 227.68 | b | 220.32 | c | 230.95 | a | 187.24 | a | 255.48 | b | 354.50 | f | 534.20 | c | 3940.90 | |||
1960 | 514.94 | d | 477.34 | d | 476.00 | 432.50 | 370.97 | a | 255.00 | c | 198.50 | g | 229.29 | b | 279.31 | a | 315.00 | 445.34 | a | 504.55 | b | 4300.25 | ||||
1961 | 439.88 | b | 435.50 | 484.50 | 445.50 | 383.88 | a | 222.00 | 212.87 | a | 170.50 | b | 237.93 | a | 283.00 | f | 479.44 | c | 594.34 | b | 4106.35 | |||||
1962 | 623.62 | a | 509.00 | 528.60 | b | 429.50 | 424.91 | b | 273.50 | f | 298.63 | a | 178.00 | 183.10 | a | 300.91 | b | 401.79 | b | 479.31 | e | 4357.38 | ||||
1963 | 624.98 | c | 320.50 | 530.00 | 472.00 | 348.00 | 288.33 | c | 217.53 | b | 151.50 | i | 136.55 | a | 258.50 | 400.38 | d | 501.37 | e | 4098.15 | ||||||
1964 | 579.00 | 471.50 | 588.50 | 504.00 | 411.78 | a | 269.00 | 200.39 | c | 195.62 | b | 247.50 | 280.00 | 453.00 | 537.00 | 4737.30 | ||||||||||
1965 | 522.19 | b | 518.50 | 498.50 | 405.58 | d | 425.22 | a | 320.00 | 251.32 | c | 119.50 | 266.11 | c | 239.00 | 346.80 | e | 552.46 | c | 4465.18 | ||||||
1966 | 539.83 | b | 526.40 | c | 536.09 | b | 389.46 | b | 382.52 | c | 236.79 | b | 234.80 | d | 228.50 | 160.86 | a | 322.18 | c | 386.90 | a | 388.00 | f | 3944.31 | ||
1967 | 541.98 | a | 475.00 | 558.00 | 528.75 | b | 283.00 | g | 182.50 | f | 145.50 | g | 214.02 | e | 91.50 | i | 259.92 | e | 227.00 | i | 426.00 | i | 2577.68 | |||
1968 | 585.42 | e | 371.78 | d | 457.25 | e | 505.38 | d | 373.79 | e | 159.50 | h | 162.50 | g | 114.00 | g | 84.50 | o | 246.00 | i | 229.00 | m | 360.00 | l | 2293.63 | |
1969 | 285.50 | r | 391.50 | h | 333.00 | j | 337.00 | i | 159.00 | l | 126.50 | j | 161.50 | i | 155.00 | j | 140.00 | j | 208.00 | h | 220.50 | m | 294.00 | j | 0.00 | |
1970 | 293.50 | i | 249.00 | h | 312.50 | i | 417.50 | f | 354.50 | 254.00 | 238.00 | 222.50 | 204.50 | 351.50 | 396.50 | 576.50 | 2598.00 | |||||||||
1971 | 648.00 | 544.50 | 559.50 | 538.00 | 417.00 | 295.00 | 261.00 | 105.50 | 169.00 | 386.50 | 485.00 | 655.00 | 5064.00 | |||||||||||||
1972 | 660.00 | 500.00 | 444.50 | 430.00 | 321.50 | 202.00 | h | 104.00 | k | 128.50 | h | 178.00 | j | 179.50 | k | 279.50 | i | 420.50 | k | 2356.00 | ||||||
1973 | 360.00 | l | 265.50 | i | 401.50 | i | 268.00 | i | 253.00 | i | 147.50 | j | 169.00 | j | 188.00 | h | 114.50 | l | 246.50 | j | 286.00 | k | 273.00 | l | 0.00 | |
1974 | 386.50 | j | 361.50 | h | 308.50 | k | 312.00 | h | 286.00 | j | 189.50 | j | 129.00 | i | 127.50 | i | 143.00 | j | 202.50 | j | 259.00 | k | 282.00 | m | 0.00 | |
1975 | 412.50 | i | 338.00 | h | 359.00 | j | 404.00 | h | 236.50 | k | 288.00 | 185.00 | 259.00 | 267.00 | 296.00 | 479.50 | 531.50 | 2306.00 | ||||||||
1976 | 539.50 | 541.00 | 605.50 | 506.00 | 395.50 | 317.50 | 168.00 | 146.00 | 195.00 | 268.84 | b | 333.50 | 518.50 | 4534.84 | ||||||||||||
1977 | 528.00 | 405.50 | 0.00 | z | 451.73 | d | 418.50 | 285.00 | 240.00 | 174.00 | 215.00 | 302.50 | 435.00 | 444.50 | 3899.73 | |||||||||||
1978 | 421.00 | 403.00 | 363.00 | 422.50 | 356.50 | 226.50 | 186.00 | 195.50 | 180.00 | 254.50 | 538.00 | 657.00 | 4203.50 | |||||||||||||
1979 | 577.50 | 490.50 | 441.00 | 424.50 | 316.00 | 279.50 | 181.50 | 120.50 | 72.50 | 214.50 | 366.50 | 417.50 | 3902.00 | |||||||||||||
1980 | 492.50 | 323.50 | 495.00 | 388.97 | a | 374.50 | 260.50 | 201.00 | 283.50 | 218.50 | 330.50 | 410.50 | 428.50 | 4207.47 | ||||||||||||
1981 | 358.50 | 383.00 | 407.50 | 374.00 | 349.50 | 189.00 | 270.50 | 196.00 | 231.00 | 347.00 | 363.50 | 425.00 | 3894.50 | |||||||||||||
1982 | 612.00 | 485.00 | 519.50 | 454.00 | 375.00 | 275.00 | 214.50 | 165.00 | 185.50 | 235.50 | 403.00 | 482.50 | 4406.50 | |||||||||||||
1983 | 440.50 | 344.50 | 362.00 | 402.00 | 336.00 | 231.50 | 136.50 | 95.50 | 133.50 | 253.50 | 362.50 | 510.00 | 3608.00 | |||||||||||||
1984 | 488.00 | 431.00 | 447.43 | a | 460.00 | 335.50 | 310.00 | 200.50 | 135.50 | 175.50 | 357.00 | 430.00 | 586.00 | 4356.43 | ||||||||||||
1985 | 548.50 | 512.50 | 604.00 | 434.50 | 370.00 | 251.00 | 164.50 | 187.50 | 237.50 | 328.00 | 588.50 | 550.50 | 4777.00 | |||||||||||||
1986 | 401.00 | 378.00 | 362.50 | 454.00 | 362.00 | 209.00 | 209.00 | 217.00 | 241.00 | 295.00 | 369.50 | 467.00 | 3965.00 | |||||||||||||
1987 | 526.50 | 404.50 | 448.50 | 400.50 | 285.72 | a | 290.50 | 269.00 | 244.00 | 285.50 | 219.00 | 342.00 | 527.50 | 4243.22 | ||||||||||||
1988 | 528.50 | 453.00 | 529.00 | 401.50 | 373.00 | 268.50 | 185.00 | 252.00 | 263.00 | 300.50 | 416.50 | 555.00 | 4525.50 | |||||||||||||
1989 | 616.50 | 619.50 | 516.50 | 291.50 | 333.00 | 229.50 | 217.00 | 199.50 | 260.50 | 320.00 | 393.00 | 511.00 | 4507.50 | |||||||||||||
1990 | 545.50 | 569.00 | 480.50 | 383.00 | 361.00 | 235.00 | 168.00 | 147.00 | 100.50 | 331.00 | 485.00 | 702.00 | 4507.50 | |||||||||||||
1991 | 552.50 | 335.00 | 534.00 | 432.50 | 428.50 | 307.00 | 212.50 | 188.00 | 190.50 | 225.00 | 397.00 | 501.00 | 4303.50 | |||||||||||||
1992 | 476.00 | 343.50 | 347.00 | 283.50 | 249.00 | 210.00 | 161.00 | 195.00 | 204.00 | 242.00 | 416.00 | 561.50 | 3688.50 | |||||||||||||
1993 | 603.00 | 478.50 | 415.50 | 400.00 | 248.00 | 214.00 | 229.50 | 161.00 | 248.00 | 264.00 | 431.50 | 548.50 | 4241.50 | |||||||||||||
1994 | 460.50 | 499.00 | 445.00 | 383.00 | 323.50 | 240.00 | 214.50 | 129.50 | 158.00 | 298.00 | 535.50 | 543.50 | 4230.00 | |||||||||||||
1995 | 401.00 | 349.00 | 427.00 | 402.00 | 313.00 | 248.50 | 130.50 | 200.50 | 164.00 | 246.50 | 335.50 | 397.50 | 3615.00 | |||||||||||||
1996 | 486.00 | 391.50 | 449.50 | 403.00 | 409.50 | 324.50 | 215.00 | 229.00 | 295.00 | 342.50 | 470.50 | 492.50 | 4508.50 | |||||||||||||
1997 | 563.50 | 513.00 | 525.50 | 437.00 | 257.00 | 252.50 | 178.00 | 106.00 | 109.00 | 329.50 | 393.00 | 588.00 | 4252.00 | |||||||||||||
1998 | 453.00 | 463.00 | 492.50 | 467.50 | 368.00 | 289.50 | 221.00 | 209.50 | 270.50 | 359.00 | 471.50 | 660.00 | 4725.00 | |||||||||||||
1999 | 580.00 | 545.00 | 387.50 | j | 486.00 | 462.00 | 338.00 | 284.00 | 160.50 | 260.50 | 365.28 | a | 383.50 | 600.50 | 4465.28 | |||||||||||
2000 | 573.00 | 430.50 | 579.50 | 402.00 | 330.00 | 265.50 | 176.50 | 218.50 | 216.43 | b | 366.00 | 559.50 | 535.50 | 4652.93 | ||||||||||||
2001 | 584.50 | 544.32 | c | 485.00 | 505.50 | 382.50 | 317.88 | d | 252.00 | 178.52 | b | 283.97 | a | 356.50 | c | 434.00 | 551.59 | b | 4876.27 | |||||||
2002 | 618.50 | 480.50 | 596.50 | 444.64 | b | 433.00 | 298.45 | a | 200.00 | 270.50 | 273.62 | a | 434.53 | b | 403.50 | 504.00 | 4957.75 | |||||||||
2003 | 411.50 | 511.50 | 467.00 | 462.41 | a | 375.50 | 272.07 | a | 185.00 | 148.50 | 205.00 | 279.50 | 513.00 | 545.50 | 4376.48 | |||||||||||
2004 | 544.00 | 497.50 | 464.50 | 383.50 | 312.58 | a | 234.00 | 143.12 | a | 110.50 | 226.00 | 335.00 | 505.50 | 547.00 | 4303.20 | |||||||||||
2005 | 584.00 | 457.00 | 435.00 | 439.50 | 264.50 | 257.50 | 136.50 | 212.00 | 295.50 | 386.50 | 487.50 | 544.00 | 4499.50 | |||||||||||||
2006 | 526.50 | 509.50 | 593.00 | 434.00 | 363.73 | a | 233.79 | a | 133.50 | l | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 2660.53 | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 538.82 | 464.56 | 496.02 | 431.88 | 358.29 | 264.04 | 211.33 | 190.63 | 211.29 | 306.90 | 425.46 | 530.93 | 4398.79 | |||||||||||||
S.D. | 80.14 | 73.65 | 65.35 | 50.13 | 48.84 | 39.25 | 39.18 | 46.66 | 52.42 | 50.32 | 62.97 | 69.46 | 378.12 | |||||||||||||
SKEW | 0.03 | -0.33 | -0.37 | -0.29 | -0.37 | -0.51 | -0.03 | -0.04 | -0.49 | 0.16 | 0.51 | 0.12 | -0.46 | |||||||||||||
MAX | 736.50 | 619.50 | 605.50 | 538.00 | 462.00 | 338.00 | 298.63 | 299.31 | 295.50 | 434.53 | 588.50 | 702.00 | 5064.00 | |||||||||||||
MIN | 358.50 | 320.50 | 347.00 | 283.50 | 248.00 | 142.50 | 130.50 | 95.50 | 72.50 | 214.50 | 321.00 | 388.57 | 3608.00 | |||||||||||||
NO YRS | 52 | 53 | 51 | 53 | 53 | 51 | 51 | 52 | 52 | 51 | 51 | 51 | 39 |