YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1937 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 190.50 | 103.00 | 86.50 | 176.00 | 244.00 | 486.50 | 624.50 | 1911.00 | ||||||||
1938 | 671.15 | a | 572.00 | 541.35 | d | 249.50 | 0.00 | z | 0.00 | z | 131.50 | 126.50 | 76.00 | 247.50 | 530.69 | a | 575.00 | 3721.19 | ||||||||
1939 | 613.50 | 591.63 | a | 507.00 | 366.00 | 266.00 | 222.00 | 118.32 | a | 0.00 | z | 0.00 | z | 254.50 | 412.00 | 506.50 | 3857.45 | |||||||||
1940 | 621.60 | b | 498.91 | b | 496.55 | c | 400.00 | 328.27 | c | 239.00 | 166.00 | 129.00 | 166.50 | 290.50 | 566.38 | a | 648.50 | 4551.21 | ||||||||
1941 | 607.50 | 520.00 | 520.50 | 508.45 | a | 352.00 | 264.50 | 127.50 | 212.50 | 105.00 | i | 252.00 | 414.50 | 597.27 | a | 4376.71 | ||||||||||
1942 | 648.00 | 526.00 | 539.29 | b | 400.00 | 333.00 | 217.24 | a | 58.00 | 73.50 | 156.00 | 226.00 | 474.50 | 552.26 | d | 4203.79 | ||||||||||
1943 | 727.50 | 434.50 | 530.50 | 408.50 | 397.00 | 260.50 | 191.50 | 149.12 | b | 0.00 | z | 315.88 | b | 453.10 | a | 676.66 | b | 4544.76 | ||||||||
1944 | 646.35 | a | 607.00 | 576.50 | 490.50 | 367.50 | 260.00 | 171.03 | b | 126.14 | b | 147.50 | 235.00 | 522.00 | 661.00 | 4810.52 | ||||||||||
1945 | 605.02 | a | 527.00 | 613.50 | 516.00 | 346.50 | 253.00 | 204.17 | b | 201.00 | 221.50 | 371.00 | 504.50 | 617.00 | 4980.19 | |||||||||||
1946 | 669.50 | 580.00 | 597.50 | 499.00 | 329.50 | 257.50 | 167.50 | 187.00 | 216.00 | 436.00 | 579.50 | 651.50 | 5170.50 | |||||||||||||
1947 | 744.50 | 495.50 | 493.00 | 396.50 | 334.00 | 245.00 | 135.00 | 174.50 | 196.00 | 299.00 | 484.00 | 610.00 | 4607.00 | |||||||||||||
1948 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 153.50 | 94.66 | c | 186.21 | a | 367.35 | a | 554.50 | 0.00 | z | 1356.22 | |||
1949 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 182.00 | m | 233.50 | 219.00 | 142.00 | 169.50 | 447.00 | 366.00 | 660.50 | 2237.50 | ||||||||
1950 | 766.50 | 465.00 | 533.00 | 477.50 | 467.00 | 239.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 380.17 | a | 384.00 | 3712.67 | ||||||||
1951 | 583.00 | 502.00 | 611.50 | 424.50 | 297.50 | 176.00 | 99.50 | 114.18 | a | 182.50 | 267.12 | a | 442.00 | 692.50 | 4392.30 | |||||||||||
1952 | 713.00 | 571.00 | 617.93 | a | 448.00 | 348.50 | 300.00 | 174.00 | 136.50 | 164.50 | 248.00 | 591.00 | 607.50 | 4919.93 | ||||||||||||
1953 | 484.50 | 543.00 | 578.00 | 484.00 | 378.50 | 306.00 | 159.00 | 106.50 | 113.50 | 264.00 | 401.00 | 575.50 | 4393.50 | |||||||||||||
1954 | 637.00 | 472.00 | 612.50 | 492.00 | 351.50 | 289.50 | 216.50 | 161.50 | 169.14 | a | 320.50 | 382.50 | 632.50 | 4737.14 | ||||||||||||
1955 | 683.00 | 625.00 | 640.00 | 580.50 | 457.77 | a | 286.50 | 221.50 | 203.50 | 193.00 | 301.00 | 498.50 | 604.00 | 5294.27 | ||||||||||||
1956 | 646.00 | 697.50 | 602.00 | 461.00 | 324.50 | 279.50 | 142.00 | 131.50 | 172.50 | 354.50 | 549.00 | 634.50 | 4994.50 | |||||||||||||
1957 | 819.00 | 502.00 | 519.00 | 432.41 | a | 301.50 | 180.00 | 158.00 | 131.50 | 95.50 | 311.00 | 521.50 | 562.50 | 4533.91 | ||||||||||||
1958 | 546.00 | 397.00 | 613.00 | 431.50 | 289.00 | 132.50 | 93.50 | 110.00 | 148.00 | 287.50 | 472.50 | 497.00 | 4017.50 | |||||||||||||
1959 | 564.00 | 560.00 | 551.00 | 441.00 | 365.50 | 207.50 | 176.00 | 172.00 | 244.50 | 291.00 | 470.00 | 618.50 | 4661.00 | |||||||||||||
1960 | 684.50 | 579.00 | 514.00 | 420.50 | 388.50 | 243.50 | 227.00 | 214.50 | 210.50 | 306.00 | 492.50 | 615.50 | 4896.00 | |||||||||||||
1961 | 540.50 | 487.00 | 537.50 | 481.50 | 401.00 | 175.50 | 129.00 | 101.00 | 236.00 | 347.00 | 590.00 | 643.00 | 4669.00 | |||||||||||||
1962 | 747.00 | 538.00 | 587.50 | 417.50 | 429.50 | 274.50 | 202.00 | 110.50 | 141.00 | 302.00 | 443.00 | 594.50 | 4787.00 | |||||||||||||
1963 | 786.00 | 361.00 | 570.50 | 509.50 | 367.00 | 238.00 | 166.50 | 131.00 | 92.50 | 266.00 | 460.50 | 610.00 | 4558.50 | |||||||||||||
1964 | 648.50 | 584.50 | 602.00 | 527.00 | 433.00 | 244.00 | 151.50 | 135.00 | 206.00 | 265.00 | 561.00 | 640.50 | 4998.00 | |||||||||||||
1965 | 644.00 | 555.00 | 553.50 | 432.00 | 440.50 | 310.00 | 183.00 | 67.00 | 189.50 | 222.50 | 429.00 | 713.50 | 4739.50 | |||||||||||||
1966 | 632.50 | 604.00 | 604.50 | 433.00 | 392.00 | 196.50 | 158.50 | 128.50 | 96.50 | 310.50 | 465.00 | 583.00 | 4604.50 | |||||||||||||
1967 | 612.50 | 524.00 | 614.00 | 558.00 | 345.00 | 178.50 | 120.50 | 61.50 | 62.50 | 268.50 | 431.50 | 673.00 | 4449.50 | |||||||||||||
1968 | 659.00 | 390.50 | 476.50 | 509.50 | 354.50 | 185.00 | 118.00 | 102.00 | 133.00 | 317.50 | 469.00 | 661.00 | 4375.50 | |||||||||||||
1969 | 783.50 | 639.50 | 539.50 | 473.00 | 275.00 | 160.50 | 159.50 | 134.33 | a | 145.50 | 317.50 | 466.50 | 587.50 | 4681.83 | ||||||||||||
1970 | 573.50 | 458.00 | 491.50 | 528.00 | 341.50 | 217.00 | 154.50 | 163.50 | 236.50 | 356.00 | 491.50 | 663.00 | 4674.50 | |||||||||||||
1971 | 712.50 | 561.00 | 621.50 | 496.00 | 392.00 | 270.50 | 177.50 | 70.50 | 192.50 | 409.00 | 534.00 | 720.00 | 5157.00 | |||||||||||||
1972 | 742.00 | 557.50 | 489.50 | 531.50 | 345.00 | 209.50 | 115.50 | 120.50 | 229.50 | 372.00 | 474.00 | 750.00 | 4936.50 | |||||||||||||
1973 | 729.00 | 472.00 | 603.00 | 440.69 | a | 316.50 | 216.50 | 159.50 | 191.00 | 248.00 | 343.58 | a | 535.50 | 538.50 | 4793.77 | |||||||||||
1974 | 730.50 | 595.00 | 559.50 | 464.00 | 378.50 | 243.62 | a | 150.50 | 127.62 | a | 141.00 | 347.00 | 459.50 | 592.10 | a | 4788.84 | ||||||||||
1975 | 601.50 | 567.00 | 609.50 | 594.50 | 368.00 | 256.50 | 151.50 | 172.50 | 178.97 | a | 358.00 | 555.50 | 612.50 | 5025.97 | ||||||||||||
1976 | 634.00 | 602.79 | a | 626.72 | a | 531.50 | 369.50 | 287.50 | 145.00 | 144.67 | a | 163.89 | c | 313.00 | 398.00 | 690.50 | 4907.06 | |||||||||
1977 | 665.00 | 418.50 | 587.00 | 433.00 | 424.70 | a | 205.50 | 171.50 | 94.50 | 189.50 | 291.00 | 518.00 | 553.50 | 4551.70 | ||||||||||||
1978 | 562.50 | 468.00 | 426.50 | 438.75 | b | 357.50 | 150.50 | 142.50 | 103.00 | 153.50 | 260.00 | 601.50 | 758.50 | 4422.75 | ||||||||||||
1979 | 831.00 | 561.50 | 449.50 | 415.00 | 319.00 | 210.00 | 85.00 | 83.50 | 67.50 | d | 244.50 | 508.50 | 547.00 | 4322.00 | ||||||||||||
1980 | 718.50 | 476.00 | 417.50 | g | 429.64 | b | 355.00 | 256.50 | 124.52 | a | 189.50 | 158.28 | a | 289.00 | 445.50 | 567.09 | b | 4009.52 | ||||||||
1981 | 257.00 | o | 481.00 | 499.50 | 438.50 | 337.50 | 195.50 | 167.92 | a | 131.00 | 181.03 | a | 357.50 | 491.00 | 609.50 | 3889.95 | ||||||||||
1982 | 791.00 | 617.00 | 615.00 | 567.50 | 377.50 | 241.00 | 157.00 | 122.50 | 152.50 | 278.50 | 552.00 | 652.50 | 5124.00 | |||||||||||||
1983 | 319.50 | n | 297.50 | i | 178.00 | r | 277.50 | j | 345.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 345.00 | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 667.28 | 529.88 | 558.85 | 464.58 | 360.19 | 231.95 | 153.42 | 133.39 | 166.67 | 306.04 | 487.58 | 617.01 | 4714.74 | |||||||||||||
S.D. | 80.57 | 71.85 | 53.83 | 63.45 | 45.69 | 43.13 | 36.85 | 40.04 | 47.11 | 53.52 | 60.18 | 67.70 | 289.93 | |||||||||||||
SKEW | 0.07 | -0.25 | -0.49 | -0.50 | 0.32 | -0.22 | -0.14 | 0.30 | -0.41 | 0.68 | -0.03 | -0.65 | -0.16 | |||||||||||||
MAX | 831.00 | 697.50 | 640.00 | 594.50 | 467.00 | 310.00 | 227.00 | 214.50 | 248.00 | 447.00 | 601.50 | 758.50 | 5294.27 | |||||||||||||
MIN | 484.50 | 361.00 | 426.50 | 249.50 | 266.00 | 132.50 | 58.00 | 61.50 | 62.50 | 222.50 | 366.00 | 384.00 | 4017.50 | |||||||||||||
NO YRS | 42 | 43 | 42 | 43 | 43 | 44 | 45 | 44 | 42 | 45 | 46 | 45 | 36 |