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 | 205.63 | a | 170.00 | 124.50 | m | 0.00 | z | 0.00 | z | 0.00 | z | 375.63 | ||
1949 | 777.00 | 608.50 | 500.00 | 417.50 | 326.02 | a | 268.50 | 242.50 | 195.50 | 206.79 | b | 390.00 | 320.50 | 608.50 | 4861.30 | |||||||||||
1950 | 736.00 | 497.00 | 563.00 | 468.00 | 419.00 | 240.00 | b | 184.40 | b | 208.00 | 238.50 | 298.24 | b | 359.00 | 386.00 | 4597.14 | ||||||||||
1951 | 583.00 | 485.00 | 623.00 | 448.50 | 340.00 | 269.50 | 220.50 | 113.00 | i | 282.00 | 290.50 | 370.00 | 608.00 | 4520.00 | ||||||||||||
1952 | 658.00 | 530.50 | 610.50 | 471.00 | 352.00 | 296.50 | 196.50 | 240.00 | 228.50 | 347.00 | 495.50 | 568.00 | 4994.00 | |||||||||||||
1953 | 456.00 | 497.50 | 590.00 | 506.00 | 376.00 | 301.50 | 177.00 | 165.00 | 139.00 | 279.00 | 365.00 | 521.00 | 4373.00 | |||||||||||||
1954 | 575.50 | 465.00 | 547.50 | 444.00 | 395.00 | 313.00 | 242.00 | 184.50 | 189.00 | 302.50 | 354.00 | 528.50 | 4540.50 | |||||||||||||
1955 | 624.50 | 574.00 | 584.50 | 567.00 | 436.50 | 298.45 | a | 262.47 | a | 224.50 | h | 243.62 | a | 260.00 | i | 472.00 | 515.00 | 4578.04 | ||||||||
1956 | 550.00 | 625.50 | 577.50 | 477.86 | b | 371.40 | e | 277.22 | c | 220.10 | a | 184.00 | 233.08 | d | 370.00 | 475.38 | d | 466.50 | f | 4362.04 | ||||||
1957 | 682.50 | 464.15 | b | 492.68 | c | 412.78 | c | 287.30 | c | 145.56 | c | 163.27 | a | 165.85 | a | 98.00 | 262.93 | d | 443.89 | c | 512.10 | e | 4131.00 | |||
1958 | 453.93 | c | 233.50 | g | 542.50 | 198.50 | o | 293.50 | 133.00 | 128.50 | 95.00 | 107.68 | b | 305.35 | a | 379.04 | d | 310.50 | f | 2438.50 | ||||||
1959 | 483.50 | 501.50 | 483.50 | 384.44 | c | 372.52 | a | 225.00 | c | 183.42 | a | 177.73 | a | 225.54 | b | 274.23 | e | 430.80 | e | 354.50 | j | 3742.18 | ||||
1960 | 543.50 | 503.00 | 495.48 | a | 442.76 | a | 378.00 | 249.81 | d | 260.40 | a | 180.12 | b | 266.67 | c | 253.00 | g | 432.86 | b | 483.71 | b | 4236.30 | ||||
1961 | 440.20 | a | 439.38 | b | 484.12 | a | 452.50 | 388.05 | c | 168.00 | g | 196.33 | a | 163.30 | c | 207.12 | d | 362.46 | e | 502.50 | 574.00 | 4209.97 | ||||
1962 | 603.98 | a | 499.00 | 550.77 | a | 437.14 | b | 412.00 | 318.50 | 221.00 | 162.48 | b | 185.50 | 286.46 | d | 403.39 | b | 333.00 | h | 4080.23 | ||||||
1963 | 633.20 | d | 299.50 | 523.68 | c | 490.50 | 368.50 | 248.00 | 167.00 | 186.00 | 152.68 | b | 265.50 | 403.45 | a | 467.58 | a | 4205.59 | ||||||||
1964 | 564.00 | 459.00 | 577.00 | 478.00 | 412.50 | 254.00 | 173.00 | 188.58 | a | 216.50 | 304.00 | 450.50 | 524.00 | 4601.08 | ||||||||||||
1965 | 550.50 | 494.00 | 489.00 | 413.57 | b | 403.00 | 261.00 | 207.70 | a | 108.50 | 241.00 | 264.69 | e | 341.90 | a | 575.71 | c | 4350.57 | ||||||||
1966 | 548.00 | 513.50 | 527.50 | 382.00 | 347.50 | 196.03 | a | 153.00 | 131.23 | a | 133.93 | b | 293.43 | b | 367.50 | 493.70 | d | 4087.33 | ||||||||
1967 | 424.50 | g | 359.50 | g | 387.00 | i | 352.00 | j | 265.50 | h | 189.60 | e | 148.80 | a | 139.50 | 118.39 | b | 188.50 | h | 337.50 | 582.00 | 1515.79 | ||||
1968 | 567.50 | 372.50 | 457.50 | 464.00 | 352.00 | 207.41 | a | 162.50 | 141.50 | 110.00 | f | 243.00 | h | 221.50 | m | 352.50 | l | 2724.91 | ||||||||
1969 | 696.93 | d | 561.62 | b | 474.50 | 463.97 | a | 311.03 | a | 177.50 | 151.50 | 154.00 | 167.78 | c | 192.00 | j | 303.00 | g | 448.00 | 3606.82 | ||||||
1970 | 426.50 | 379.50 | 431.50 | 468.50 | 303.59 | b | 234.11 | b | 208.00 | 217.50 | 185.50 | 364.00 | 264.00 | k | 587.00 | 3805.69 | ||||||||||
1971 | 591.07 | a | 522.00 | 585.00 | 510.00 | 415.00 | 336.50 | 219.00 | 104.50 | 168.50 | 351.91 | d | 460.86 | a | 639.00 | 4903.34 | ||||||||||
1972 | 617.86 | b | 503.50 | 482.05 | a | 475.86 | a | 362.50 | 218.00 | 152.00 | 152.50 | 244.80 | e | 268.00 | 420.60 | e | 511.50 | h | 3897.67 | |||||||
1973 | 578.67 | a | 422.80 | c | 568.50 | 424.00 | 356.50 | 234.00 | 144.00 | h | 220.44 | d | 154.50 | 314.50 | 473.79 | a | 349.50 | g | 3747.70 | |||||||
1974 | 580.00 | 350.50 | i | 322.00 | k | 319.00 | h | 256.50 | k | 282.22 | c | 195.50 | 157.77 | c | 183.60 | e | 304.04 | e | 384.50 | f | 416.00 | g | 1703.13 | |||
1975 | 575.29 | e | 345.50 | h | 457.00 | f | 393.50 | i | 377.74 | d | 169.50 | j | 136.00 | h | 108.00 | n | 193.27 | d | 262.47 | a | 449.44 | c | 412.00 | f | 1858.21 | |
1976 | 344.00 | m | 407.00 | j | 463.00 | i | 405.50 | h | 429.98 | d | 213.50 | g | 157.87 | d | 133.50 | 131.40 | e | 86.50 | q | 0.00 | z | 0.00 | z | 852.75 | ||
1977 | 0.00 | z | 440.46 | b | 605.05 | c | 471.21 | a | 425.50 | 207.69 | d | 219.00 | 181.50 | 206.50 | 312.00 | 451.50 | 454.50 | 3974.91 | ||||||||
1978 | 416.20 | d | 331.50 | f | 381.96 | c | 429.50 | 333.54 | d | 220.71 | b | 171.53 | a | 135.00 | 145.00 | 158.00 | g | 492.00 | e | 613.80 | a | 3339.25 | ||||
1979 | 587.00 | 483.50 | 451.57 | a | 413.00 | 310.00 | a | 262.00 | 96.50 | f | 116.54 | d | 75.52 | a | 200.00 | 355.80 | e | 340.50 | f | 3254.92 | ||||||
1980 | 551.69 | d | 362.50 | b | 490.00 | 359.00 | 344.21 | b | 273.46 | d | 138.97 | b | 175.27 | e | 197.00 | 308.93 | b | 438.50 | 503.50 | 4143.02 | ||||||
1981 | 450.50 | 438.00 | 506.00 | 441.50 | 336.00 | 190.50 | 208.22 | a | 144.00 | 180.00 | 304.50 | 359.00 | 451.50 | 4009.72 | ||||||||||||
1982 | 596.50 | 508.50 | 551.50 | 498.00 | 372.00 | 248.50 | 227.85 | a | 173.00 | 146.50 | 278.00 | 473.00 | 564.00 | 4637.35 | ||||||||||||
1983 | 490.00 | 425.50 | 488.00 | 496.50 | 389.50 | 248.00 | 194.00 | 156.50 | 156.50 | 295.50 | 436.00 | 554.00 | 4330.00 | |||||||||||||
1984 | 508.50 | 496.50 | 445.00 | 472.00 | 378.50 | 282.50 | 164.00 | 111.50 | 169.00 | 366.00 | 460.00 | 572.00 | 4425.50 | |||||||||||||
1985 | 513.00 | 483.50 | 556.00 | 397.00 | 355.50 | 188.00 | 149.50 | 172.50 | 190.50 | 296.50 | 563.00 | 548.18 | a | 4413.18 | ||||||||||||
1986 | 413.50 | 398.50 | 389.00 | 426.50 | 358.50 | 194.50 | 161.50 | 181.00 | 257.00 | 300.00 | 364.00 | 486.00 | 3930.00 | |||||||||||||
1987 | 538.00 | 436.50 | 441.00 | 398.04 | b | 296.71 | c | 226.61 | b | 186.00 | 156.00 | 211.50 | 227.50 | 359.50 | 553.00 | 4030.36 | ||||||||||
1988 | 530.50 | 470.50 | 508.50 | 416.50 | 361.50 | 232.76 | a | 116.00 | 169.98 | a | 194.50 | 245.50 | 433.50 | 513.00 | 4192.74 | |||||||||||
1989 | 586.50 | 612.50 | 524.00 | 327.00 | 335.50 | 212.50 | 181.50 | 124.00 | 260.00 | 330.00 | 410.00 | 512.50 | 4416.00 | |||||||||||||
1990 | 540.00 | 541.00 | 490.50 | 377.00 | 335.00 | 220.00 | 130.00 | 111.50 | 145.50 | 325.00 | 479.00 | 726.43 | a | 4420.93 | ||||||||||||
1991 | 578.00 | 346.50 | 0.00 | z | 444.00 | 411.50 | 275.50 | 152.00 | 164.00 | 134.00 | 244.00 | 439.50 | 379.50 | j | 3189.00 | |||||||||||
1992 | 317.50 | j | 219.00 | j | 270.50 | i | 219.00 | h | 164.50 | l | 195.50 | 80.00 | i | 84.00 | k | 115.50 | j | 177.50 | i | 256.50 | l | 354.00 | l | 195.50 | ||
1993 | 344.00 | m | 250.50 | m | 289.00 | i | 391.00 | 177.50 | k | 173.50 | 107.50 | j | 104.50 | i | 176.50 | i | 103.50 | o | 310.50 | j | 318.00 | l | 564.50 | |||
1994 | 295.50 | l | 327.50 | j | 435.50 | 274.50 | j | 206.50 | j | 173.50 | i | 86.50 | l | 100.50 | 94.00 | k | 223.50 | k | 593.00 | 365.00 | l | 1129.00 | ||||
1995 | 305.50 | k | 240.00 | l | 330.00 | i | 270.50 | l | 372.50 | 280.00 | 134.50 | 136.00 | 193.00 | 205.50 | j | 414.50 | 178.00 | s | 1530.50 | |||||||
1996 | 530.00 | 451.00 | 467.00 | 381.00 | 389.50 | 259.50 | 168.00 | 174.50 | 12.00 | x | 306.00 | 288.50 | j | 478.50 | 3605.00 | |||||||||||
1997 | 481.50 | 310.00 | i | 333.50 | i | 283.50 | i | 223.50 | 180.50 | 86.00 | 95.50 | 96.00 | 304.00 | 378.50 | 503.00 | 2348.50 | ||||||||||
1998 | 424.50 | 434.00 | 437.50 | 433.50 | 323.50 | 206.50 | 141.00 | 106.50 | 120.50 | 279.00 | 437.00 | 594.50 | 3938.00 | |||||||||||||
1999 | 538.00 | 501.00 | 559.50 | 440.50 | 389.50 | 266.00 | 240.50 | 146.00 | 159.00 | 309.00 | 348.50 | 547.00 | 4444.50 | |||||||||||||
2000 | 538.00 | 420.50 | 498.50 | 346.61 | b | 311.00 | 167.00 | 179.50 | 145.50 | 139.00 | 317.00 | 489.00 | 508.00 | 4059.61 | ||||||||||||
2001 | 505.41 | c | 476.00 | 412.00 | 440.50 | 249.00 | 248.00 | 161.00 | 152.50 | 176.50 | 257.00 | 395.50 | 503.48 | b | 3976.89 | |||||||||||
2002 | 556.50 | 430.50 | 509.50 | 383.50 | 329.50 | 229.00 | 108.00 | 125.00 | 141.00 | 305.00 | 303.50 | 468.50 | 3889.50 | |||||||||||||
2003 | 408.00 | 458.50 | 451.50 | 459.00 | 367.00 | 214.00 | 297.00 | 230.50 | 133.00 | 193.50 | 456.00 | 0.00 | z | 3668.00 | ||||||||||||
2004 | 487.00 | 443.00 | 398.50 | 311.00 | 176.00 | g | 141.00 | 49.08 | a | 56.00 | 117.00 | 281.00 | 435.00 | 483.00 | 3201.58 | |||||||||||
2005 | 500.00 | 401.00 | 384.50 | 377.00 | 213.00 | 172.50 | 57.00 | 97.00 | 159.50 | 257.00 | 439.50 | 490.50 | 3548.50 | |||||||||||||
2006 | 0.00 | z | 0.00 | z | 554.50 | 425.00 | 311.00 | 190.00 | 133.00 | 166.50 | 194.00 | 277.50 | 414.50 | 486.50 | 3152.50 | |||||||||||
2007 | 610.50 | 486.50 | 449.50 | 431.00 | 340.50 | 265.50 | 86.00 | 76.35 | d | 170.00 | 327.00 | 421.00 | 613.00 | 4276.85 | ||||||||||||
2008 | 623.00 | 521.50 | 563.50 | 490.50 | 334.50 | 278.00 | 171.00 | 142.00 | 187.00 | 285.00 | 373.50 | 632.50 | 4602.00 | |||||||||||||
2009 | 491.00 | 492.00 | 556.00 | 457.50 | 313.00 | 206.00 | 196.50 | 131.50 | 152.50 | 305.00 | 408.50 | 577.00 | 4286.50 | |||||||||||||
2010 | 436.00 | 414.00 | 478.00 | 474.00 | 425.50 | 268.50 | 126.00 | g | 186.50 | 141.50 | 212.50 | 480.00 | 495.00 | 4011.50 | ||||||||||||
2011 | 464.50 | 462.54 | b | 494.00 | 473.50 | 425.00 | 253.00 | 146.00 | 99.50 | 120.00 | 198.50 | 449.00 | 528.50 | 4114.04 | ||||||||||||
2012 | 524.50 | 489.50 | 578.50 | 418.50 | 345.50 | 270.00 | 174.00 | 144.50 | 217.00 | 282.00 | 354.00 | 592.00 | 4390.00 | |||||||||||||
2013 | 583.00 | 499.50 | 484.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 17.50 | z | 1567.00 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 545.59 | 472.51 | 505.39 | 436.37 | 355.06 | 235.37 | 174.62 | 151.86 | 176.75 | 292.28 | 421.68 | 535.64 | 4306.67 | |||||||||||||
S.D. | 79.69 | 63.83 | 60.90 | 48.26 | 48.61 | 45.64 | 48.10 | 37.91 | 46.81 | 42.69 | 58.18 | 62.16 | 314.75 | |||||||||||||
SKEW | 0.45 | -0.02 | -0.12 | -0.24 | -0.67 | -0.15 | -0.19 | -0.08 | 0.17 | -0.17 | 0.36 | 0.43 | 0.10 | |||||||||||||
MAX | 777.00 | 625.50 | 623.00 | 567.00 | 436.50 | 336.50 | 297.00 | 240.00 | 282.00 | 390.00 | 593.00 | 726.43 | 4994.00 | |||||||||||||
MIN | 408.00 | 299.50 | 381.96 | 311.00 | 213.00 | 133.00 | 49.08 | 56.00 | 75.52 | 193.50 | 303.50 | 386.00 | 3548.50 | |||||||||||||
NO YRS | 57 | 53 | 56 | 55 | 58 | 60 | 58 | 60 | 59 | 53 | 56 | 47 | 33 |