YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | 0.00 | 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 | 216.00 | 472.50 | 766.50 | 1455.00 | ||||
1966 | 740.00 | 653.00 | 615.35 | a | 395.00 | 279.50 | 0.00 | z | 42.00 | 20.67 | a | 69.00 | 344.50 | 552.50 | 657.00 | 4368.52 | ||||||||||
1967 | 691.00 | 591.50 | 615.50 | 548.50 | 269.50 | 68.50 | 3.62 | a | 0.50 | 35.50 | 294.50 | 520.38 | d | 776.00 | 4415.00 | |||||||||||
1968 | 710.93 | a | 500.50 | 488.50 | 500.00 | 317.75 | c | 125.00 | 20.00 | 38.00 | 121.00 | 336.00 | 492.93 | a | 705.50 | 4356.11 | ||||||||||
1969 | 794.50 | 667.00 | 553.00 | 458.50 | 187.50 | 71.50 | 42.00 | 35.00 | 84.00 | 386.98 | a | 532.00 | 644.00 | 4455.98 | ||||||||||||
1970 | 644.50 | 529.00 | 544.00 | 545.00 | 307.93 | a | 98.50 | 20.00 | 14.00 | 161.90 | a | 366.50 | 508.00 | 728.00 | 4467.33 | |||||||||||
1971 | 779.00 | 588.00 | 634.00 | 481.03 | a | 303.50 | 159.00 | 59.00 | 10.00 | 167.50 | 418.50 | 606.50 | 788.00 | 4994.03 | ||||||||||||
1972 | 785.50 | 580.00 | 469.65 | a | 503.79 | a | 256.50 | 99.00 | 16.50 | 22.00 | 178.50 | 421.50 | 480.00 | 893.50 | 4706.44 | |||||||||||
1973 | 752.50 | 499.33 | a | 594.50 | 386.50 | 0.00 | z | 0.00 | z | 0.00 | z | 44.29 | c | 58.33 | c | 342.00 | 596.50 | 589.00 | 3862.95 | |||||||
1974 | 825.50 | 639.92 | d | 561.00 | 433.00 | 305.00 | 93.00 | 25.50 | 8.50 | 15.00 | 306.50 | 500.50 | 662.50 | 4375.92 | ||||||||||||
1975 | 671.00 | 585.50 | 638.00 | 558.50 | 276.93 | a | 130.00 | 23.50 | 41.50 | 49.50 | 336.00 | 617.50 | 692.00 | 4619.93 | ||||||||||||
1976 | 667.02 | a | 638.50 | 625.00 | 493.50 | 261.50 | 186.50 | 19.00 | 20.00 | i | 49.00 | 272.50 | 440.00 | 826.67 | a | 4479.18 | ||||||||||
1977 | 784.50 | 475.50 | 587.00 | 355.00 | 318.86 | c | 48.50 | 30.45 | c | 4.50 | 118.50 | 286.00 | 567.93 | a | 596.00 | 4172.73 | ||||||||||
1978 | 566.00 | 496.00 | 404.00 | 435.00 | c | 261.00 | 50.56 | c | 0.00 | z | 0.00 | z | 117.50 | 221.00 | 693.50 | 814.50 | 4059.06 | |||||||||
1979 | 898.00 | 583.50 | 441.50 | 372.50 | 199.50 | 79.50 | 9.00 | 3.50 | i | 7.50 | 184.00 | 0.00 | z | 609.00 | 3384.00 | |||||||||||
1980 | 573.50 | h | 486.00 | 536.30 | a | 378.00 | 219.07 | a | 138.50 | 15.50 | 16.00 | 67.50 | 289.85 | a | 459.50 | 613.50 | 3219.72 | |||||||||
1981 | 594.00 | 488.50 | 494.00 | 379.00 | 257.00 | 78.50 | 27.50 | 9.30 | a | 89.48 | a | 362.00 | 505.50 | 605.50 | 3890.28 | |||||||||||
1982 | 763.00 | 584.50 | 572.50 | 478.50 | 239.00 | 91.50 | 21.50 | 12.50 | 100.50 | 303.50 | 611.00 | 727.97 | b | 4505.97 | ||||||||||||
1983 | 659.00 | 516.00 | 448.50 | 429.00 | 236.00 | 115.00 | 69.00 | 8.50 | 143.50 | 295.00 | 481.50 | 747.00 | 4148.00 | |||||||||||||
1984 | 692.50 | 587.00 | 447.50 | 447.00 | 283.00 | 157.00 | 8.00 | 10.50 | 102.00 | 382.50 | 587.00 | 785.50 | 4489.50 | |||||||||||||
1985 | 802.00 | 654.00 | 638.00 | 315.00 | 243.00 | 66.00 | 2.50 | 28.50 | 165.00 | 352.50 | 732.50 | 893.00 | 4892.00 | |||||||||||||
1986 | 615.35 | a | 521.00 | 409.00 | 426.50 | 287.50 | 68.50 | 36.50 | 0.00 | 182.50 | 256.50 | 497.68 | b | 721.00 | 4022.03 | |||||||||||
1987 | 750.00 | 578.50 | 513.00 | 273.00 | 194.50 | 76.00 | 37.00 | 4.00 | 80.00 | 203.50 | 482.00 | 749.00 | 3940.50 | |||||||||||||
1988 | 717.65 | a | 568.61 | a | 536.00 | 356.00 | 314.00 | 131.50 | 24.00 | 9.00 | 92.50 | 177.00 | 517.00 | 751.50 | 4194.76 | |||||||||||
1989 | 729.50 | 816.00 | 562.00 | 268.00 | 276.50 | 70.50 | 38.00 | 23.00 | 56.00 | 303.00 | 498.50 | 726.50 | 4367.50 | |||||||||||||
1990 | 644.50 | 630.50 | 453.00 | 276.50 | 242.00 | 97.50 | 11.00 | 9.50 | 12.50 | 313.50 | 536.50 | 923.00 | 4150.00 | |||||||||||||
1991 | 806.50 | 399.00 | 577.50 | 415.50 | 311.00 | 117.50 | 0.00 | 3.50 | 29.00 | 242.00 | 422.50 | 678.50 | 4002.50 | |||||||||||||
1992 | 610.50 | 431.50 | 377.50 | 261.50 | 90.50 | 40.00 | 11.00 | 12.50 | 58.50 | 233.50 | 484.00 | 744.50 | 3355.50 | |||||||||||||
1993 | 787.00 | 642.00 | 359.50 | 390.00 | 165.50 | 116.50 | 34.00 | 22.50 | 74.50 | 211.50 | 680.00 | 751.00 | 4234.00 | |||||||||||||
1994 | 639.00 | 615.50 | 437.50 | 305.50 | 151.50 | 100.50 | 6.00 | 1.50 | 44.00 | 309.00 | 667.50 | 643.50 | 3921.00 | |||||||||||||
1995 | 649.00 | 384.50 | 485.00 | 413.50 | 181.00 | 104.50 | 5.00 | 22.50 | 21.00 | 278.50 | 381.50 | 574.50 | 3500.50 | |||||||||||||
1996 | 643.00 | 545.50 | 464.50 | 317.50 | 258.00 | 73.50 | 12.50 | 6.00 | 99.50 | 293.50 | 463.00 | 635.00 | 3811.50 | |||||||||||||
1997 | 649.50 | 523.50 | 476.50 | 355.50 | 110.50 | 61.00 | 17.00 | 1.03 | a | 46.07 | b | 310.00 | 437.22 | c | 718.34 | b | 3706.17 | |||||||||
1998 | 571.43 | a | 528.89 | a | 489.28 | a | 372.50 | 294.00 | 46.50 | 2.50 | 1.50 | 38.00 | 295.50 | 468.00 | 753.50 | 3861.61 | ||||||||||
1999 | 634.93 | d | 568.00 | 566.00 | 402.50 | 304.50 | 115.00 | c | 30.00 | 13.50 | 42.00 | 260.92 | a | 378.00 | 706.28 | a | 4021.63 | |||||||||
2000 | 703.50 | 503.50 | 557.00 | 306.21 | a | 187.00 | 52.00 | 11.00 | 3.50 | 61.50 | 254.89 | d | 637.50 | 662.07 | c | 3939.67 | ||||||||||
2001 | 690.78 | a | 613.93 | a | 475.91 | d | 442.22 | c | 158.21 | b | 118.27 | d | 6.41 | b | 5.88 | b | 40.86 | a | 285.00 | 443.65 | d | 696.97 | b | 3978.09 | ||
2002 | 681.00 | 520.00 | 586.00 | 334.50 | 0.00 | z | 55.50 | 0.00 | 9.00 | 37.50 | 338.00 | 524.50 | 571.00 | 3657.00 | ||||||||||||
2003 | 519.00 | 555.00 | 428.00 | 423.50 | 184.50 | 39.60 | e | 0.50 | 0.00 | 35.50 | 198.50 | 552.00 | 640.00 | 3576.10 | ||||||||||||
2004 | 622.00 | 560.50 | 379.50 | 281.50 | 132.00 | 64.50 | 0.00 | 0.00 | 63.50 | 265.50 | 530.50 | 620.50 | 3520.00 | |||||||||||||
2005 | 666.00 | 531.50 | 395.50 | 212.00 | k | 165.00 | 88.50 | 1.00 | 2.00 | 82.50 | 227.50 | 569.50 | 670.00 | 3399.00 | ||||||||||||
2006 | 614.50 | 578.50 | 597.00 | 349.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 2139.50 | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 694.13 | 559.98 | 513.00 | 396.59 | 237.62 | 91.93 | 19.42 | 12.83 | 77.45 | 292.08 | 528.22 | 708.71 | 4143.51 | |||||||||||||
S.D. | 81.58 | 78.27 | 80.67 | 80.31 | 62.89 | 35.50 | 16.70 | 12.14 | 47.79 | 61.38 | 82.39 | 86.65 | 398.19 | |||||||||||||
SKEW | 0.23 | 0.41 | -0.14 | 0.16 | -0.58 | 0.60 | 0.99 | 1.13 | 0.73 | 0.10 | 0.54 | 0.53 | 0.08 | |||||||||||||
MAX | 898.00 | 816.00 | 638.00 | 558.50 | 318.86 | 186.50 | 69.00 | 44.29 | 182.50 | 421.50 | 732.50 | 923.00 | 4994.03 | |||||||||||||
MIN | 519.00 | 384.50 | 359.50 | 261.50 | 90.50 | 39.60 | 0.00 | 0.00 | 7.50 | 177.00 | 378.00 | 571.00 | 3355.50 | |||||||||||||
NO YRS | 40 | 41 | 41 | 40 | 38 | 38 | 38 | 37 | 40 | 41 | 40 | 41 | 32 |