YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1931 | 301.50 | h | 383.38 | b | 362.00 | 300.50 | 209.50 | 127.50 | 112.50 | 154.50 | 148.00 | 253.00 | 486.50 | 543.00 | 3080.38 | |||||||||||
1932 | 655.50 | 506.00 | 378.00 | 397.50 | 318.00 | 199.00 | 164.50 | 113.00 | 167.50 | 278.50 | 304.50 | 658.50 | 4140.50 | |||||||||||||
1933 | 662.50 | 550.50 | 442.00 | 418.50 | 380.50 | 178.50 | 168.00 | 117.50 | 158.50 | 189.50 | 312.50 | 405.50 | 3984.00 | |||||||||||||
1934 | 376.50 | 289.50 | 217.50 | 225.50 | 163.00 | 164.00 | 103.00 | 74.00 | 135.50 | 204.00 | 260.00 | 484.00 | 2696.50 | |||||||||||||
1935 | 498.50 | 337.00 | 532.00 | 315.50 | 311.50 | 125.50 | 141.50 | 109.00 | 112.00 | 249.50 | 396.50 | 441.00 | 3569.50 | |||||||||||||
1936 | 421.50 | 407.50 | 449.00 | 303.00 | 169.00 | 85.50 | 80.00 | 75.50 | 110.00 | 203.50 | 384.00 | 481.50 | 3170.00 | |||||||||||||
1937 | 748.50 | 499.00 | 373.00 | 387.50 | 283.50 | 95.00 | 87.50 | 83.50 | 82.00 | 115.00 | 272.50 | 385.00 | 3412.00 | |||||||||||||
1938 | 434.50 | 398.50 | 467.50 | 311.00 | 264.02 | a | 200.50 | 108.50 | 128.00 | 71.00 | 182.50 | 414.83 | a | 450.00 | 3430.84 | |||||||||||
1939 | 514.50 | 505.00 | 427.50 | 277.00 | 223.00 | 196.00 | 95.50 | 80.00 | 68.50 | 192.50 | 311.50 | 340.50 | 3231.50 | |||||||||||||
1940 | 356.50 | 324.00 | 317.50 | 255.50 | 174.00 | 139.50 | 71.50 | 46.00 | 35.00 | 138.00 | 339.00 | 378.50 | 2575.00 | |||||||||||||
1941 | 390.00 | 264.50 | 283.00 | 300.00 | 183.50 | 117.50 | 37.00 | 32.00 | 80.00 | 191.50 | 216.50 | 420.50 | 2516.00 | |||||||||||||
1942 | 395.00 | 434.50 | 429.00 | 339.50 | 325.00 | 148.00 | 41.50 | 35.50 | 148.00 | 130.50 | 283.00 | 399.00 | 3108.50 | |||||||||||||
1943 | 482.50 | 306.00 | 316.00 | 293.00 | 309.50 | 217.50 | 122.50 | 103.50 | 55.50 | 224.50 | 266.00 | 485.50 | 3182.00 | |||||||||||||
1944 | 489.50 | 523.50 | 495.00 | 369.00 | 279.50 | 198.50 | 148.50 | 82.50 | 98.50 | 117.00 | 350.50 | 409.00 | 3561.00 | |||||||||||||
1945 | 463.50 | 428.50 | 526.00 | 398.50 | 290.50 | 191.50 | 123.00 | 143.50 | 167.50 | 246.00 | 400.50 | 483.50 | 3862.50 | |||||||||||||
1946 | 556.50 | 495.00 | 514.00 | 412.00 | 298.50 | 171.50 | 82.50 | 150.00 | 136.00 | 338.50 | 441.00 | 522.00 | 4117.50 | |||||||||||||
1947 | 636.50 | 369.50 | 387.00 | 319.50 | 203.50 | 151.00 | 99.00 | 91.50 | 103.50 | 194.00 | 432.00 | 506.50 | 3493.50 | |||||||||||||
1948 | 514.00 | 543.00 | 504.50 | 471.50 | 335.50 | 164.00 | 153.00 | 148.50 | 205.50 | 291.50 | 481.50 | 720.50 | 4533.00 | |||||||||||||
1949 | 780.00 | 552.50 | 469.00 | 357.00 | 272.50 | 207.00 | 161.00 | 110.00 | 132.00 | 359.50 | 255.00 | 628.00 | 4283.50 | |||||||||||||
1950 | 719.00 | 477.50 | 522.00 | 420.00 | 412.50 | 254.00 | 184.50 | 97.00 | 179.50 | 176.50 | 290.00 | 368.00 | 4100.50 | |||||||||||||
1951 | 600.50 | 442.50 | 562.50 | 416.50 | 313.00 | 254.00 | 191.50 | 128.50 | g | 186.00 | 227.00 | 372.41 | a | 597.00 | 4162.91 | |||||||||||
1952 | 651.50 | 510.09 | a | 603.50 | 394.50 | 306.00 | 270.00 | 161.50 | 156.50 | 157.00 | 220.00 | 444.50 | 521.50 | 4396.59 | ||||||||||||
1953 | 430.50 | 471.50 | 512.50 | 438.00 | 353.50 | 280.00 | 164.50 | 111.50 | 109.50 | 254.20 | a | 306.00 | 529.00 | 3960.70 | ||||||||||||
1954 | 560.00 | 413.50 | 521.83 | a | 369.00 | 324.00 | 249.00 | 175.50 | 166.00 | 153.00 | 255.00 | 327.00 | 559.00 | 4072.83 | ||||||||||||
1955 | 639.50 | 541.00 | 545.00 | 513.00 | 374.50 | 262.00 | 210.00 | 206.50 | 203.00 | 281.00 | 452.00 | 462.50 | 4690.00 | |||||||||||||
1956 | 514.00 | 576.50 | 529.00 | 415.50 | 274.00 | 205.50 | 143.50 | 124.00 | 136.00 | 298.50 | 437.50 | 583.50 | 4237.50 | |||||||||||||
1957 | 677.50 | 420.50 | 442.00 | 371.00 | 239.00 | 139.00 | 138.00 | 110.00 | 77.00 | 209.00 | 414.00 | 496.50 | 3733.50 | |||||||||||||
1958 | 475.00 | 318.00 | 525.50 | 373.50 | 216.00 | 98.00 | 78.50 | 57.00 | 139.62 | d | 221.77 | e | 335.50 | 374.50 | 3212.88 | |||||||||||
1959 | 488.00 | 515.00 | 448.50 | 364.50 | 312.50 | 189.50 | 128.00 | 129.50 | 130.00 | 202.50 | 378.50 | 571.50 | 3858.00 | |||||||||||||
1960 | 567.50 | 482.50 | 438.50 | 368.50 | 333.54 | d | 185.50 | f | 204.50 | 179.50 | 221.38 | a | 282.50 | 444.00 | 519.00 | 4041.42 | ||||||||||
1961 | 469.50 | 419.00 | 500.00 | 326.50 | h | 354.36 | b | 177.00 | 146.00 | 99.50 | 199.00 | 300.00 | 470.50 | 587.00 | 3721.86 | |||||||||||
1962 | 620.00 | 478.50 | 520.50 | 370.50 | 350.50 | 263.50 | 206.50 | 111.00 | 162.50 | 256.50 | 362.00 | 456.00 | 4158.00 | |||||||||||||
1963 | 619.50 | 249.00 | 479.50 | 453.00 | 305.50 | 230.50 | 151.50 | 137.50 | 74.50 | 225.00 | 385.00 | 488.50 | 3799.00 | |||||||||||||
1964 | 595.50 | 512.00 | 569.00 | 485.50 | 386.00 | 232.50 | 142.00 | 124.50 | 197.00 | 197.00 | 433.50 | 506.50 | 4381.00 | |||||||||||||
1965 | 527.00 | 466.50 | 437.50 | 385.00 | 381.96 | c | 280.86 | a | 179.50 | 64.50 | 223.00 | 174.50 | 335.50 | 588.00 | 4043.83 | |||||||||||
1966 | 575.00 | 523.50 | 494.00 | 370.00 | 356.00 | 204.50 | 174.50 | 149.00 | 110.50 | 284.50 | 362.50 | 499.50 | 4103.50 | |||||||||||||
1967 | 552.00 | 476.50 | 558.50 | 566.50 | 307.50 | 221.00 | 139.00 | 91.50 | 80.50 | 208.00 | 300.50 | 663.50 | 4165.00 | |||||||||||||
1968 | 596.50 | 319.00 | 412.50 | 433.50 | 321.00 | 175.00 | 138.50 | 107.00 | 130.00 | 279.00 | 375.00 | 633.00 | 3920.00 | |||||||||||||
1969 | 657.00 | 578.00 | 489.00 | 432.00 | 278.00 | 190.00 | 187.00 | 161.50 | 146.50 | 281.00 | 371.00 | 471.50 | 4242.50 | |||||||||||||
1970 | 461.00 | 369.50 | 469.00 | 509.50 | 336.00 | 223.00 | 172.50 | 187.50 | 209.50 | 347.00 | 339.00 | 604.00 | 4227.50 | |||||||||||||
1971 | 611.00 | 516.00 | 552.50 | 494.50 | 391.50 | 252.50 | 195.00 | 77.50 | 160.50 | 403.50 | 474.50 | 700.50 | 4829.50 | |||||||||||||
1972 | 664.00 | 481.50 | 402.00 | 453.00 | 351.50 | 227.50 | 121.50 | 108.50 | 202.00 | 273.50 | 420.50 | 0.00 | z | 3705.50 | ||||||||||||
1973 | 587.00 | 422.50 | 543.00 | 386.00 | 307.00 | 203.50 | 184.00 | 206.00 | 114.00 | 314.13 | a | 433.00 | 443.50 | 4143.63 | ||||||||||||
1974 | 592.50 | 523.50 | 461.50 | 431.50 | 367.00 | 229.00 | 123.00 | 110.50 | 130.50 | 259.00 | 407.50 | 536.00 | 4171.50 | |||||||||||||
1975 | 603.50 | 510.00 | 519.50 | 531.00 | 334.00 | 254.00 | 150.50 | 169.50 | 177.00 | 309.50 | 488.00 | 512.00 | 4558.50 | |||||||||||||
1976 | 579.00 | 526.50 | 565.50 | 485.50 | 340.00 | 276.00 | 137.50 | 114.50 | 152.50 | 259.50 | 310.50 | 574.00 | 4321.00 | |||||||||||||
1977 | 565.00 | 371.50 | 567.00 | 392.50 | 397.00 | 231.00 | 179.50 | 99.00 | 158.50 | 275.00 | 414.00 | 472.50 | 4122.50 | |||||||||||||
1978 | 431.50 | 413.00 | 323.00 | 395.00 | 311.00 | 163.00 | 141.50 | 116.50 | 144.50 | 199.50 | 485.00 | 652.00 | 3775.50 | |||||||||||||
1979 | 589.00 | 486.50 | 415.00 | 376.00 | 299.00 | 204.00 | 84.50 | 95.50 | 40.00 | 191.50 | 382.00 | 468.50 | 3631.50 | |||||||||||||
1980 | 542.50 | 341.50 | 498.50 | 362.50 | 350.50 | 230.00 | 115.50 | 203.00 | 150.00 | 216.00 | 375.50 | 440.50 | 3826.00 | |||||||||||||
1981 | 403.00 | 403.00 | 441.00 | 392.50 | 308.00 | 168.00 | 181.50 | 125.00 | 129.00 | 299.00 | 325.00 | 430.00 | 3605.00 | |||||||||||||
1982 | 664.00 | 462.50 | 528.50 | 433.00 | 352.00 | 216.50 | 167.50 | 106.50 | 139.00 | 230.50 | 430.00 | 539.00 | 4269.00 | |||||||||||||
1983 | 496.50 | 375.50 | 409.50 | 427.00 | 315.00 | 191.00 | 136.00 | 73.50 | 115.00 | 185.50 | 403.50 | 479.00 | 3607.00 | |||||||||||||
1984 | 486.00 | 466.50 | 389.00 | 446.00 | 288.00 | 256.00 | 143.00 | 79.00 | 135.50 | 301.50 | 420.50 | 616.00 | 4027.00 | |||||||||||||
1985 | 541.50 | 488.50 | 568.00 | 355.50 | 336.50 | 183.00 | 126.00 | 134.00 | 179.50 | 303.50 | 576.00 | 561.50 | 4353.50 | |||||||||||||
1986 | 370.00 | 357.00 | 351.00 | 395.50 | 304.00 | 125.00 | 155.50 | 130.50 | 203.50 | 237.00 | 362.50 | 471.00 | 3462.50 | |||||||||||||
1987 | 545.00 | 417.50 | 445.50 | 330.50 | 248.00 | 186.50 | 167.00 | 137.00 | 178.00 | 178.00 | 385.50 | 580.00 | 3798.50 | |||||||||||||
1988 | 540.00 | 465.00 | 485.50 | 375.00 | 319.00 | 218.00 | 131.00 | 159.00 | 208.50 | 219.00 | 404.00 | 599.00 | 4123.00 | |||||||||||||
1989 | 627.50 | 592.00 | 464.50 | 300.00 | 295.00 | 188.50 | 157.50 | 115.00 | 181.00 | 298.50 | 406.00 | 528.00 | 4153.50 | |||||||||||||
1990 | 582.50 | 592.50 | 456.50 | 344.50 | 359.00 | 188.00 | 97.00 | 58.00 | 60.50 | 278.50 | 461.50 | 741.50 | 4220.00 | |||||||||||||
1991 | 564.50 | 324.00 | 554.50 | 426.00 | 384.00 | 309.50 | 145.50 | 107.50 | 109.00 | 201.50 | 378.50 | 553.50 | 4058.00 | |||||||||||||
1992 | 502.00 | 356.50 | 331.00 | 262.50 | 195.50 | 155.50 | 64.00 | 105.50 | 138.50 | 172.00 | 421.00 | 624.00 | 3328.00 | |||||||||||||
1993 | 621.00 | 472.50 | 363.50 | 350.50 | 221.50 | 194.00 | 181.50 | 116.50 | 198.50 | 210.50 | 480.00 | 563.00 | 3973.00 | |||||||||||||
1994 | 493.00 | 521.50 | 414.00 | 361.00 | 298.50 | 229.50 | 173.50 | 84.50 | 103.50 | 297.50 | 613.00 | 599.00 | 4188.50 | |||||||||||||
1995 | 445.50 | 350.00 | 464.50 | 408.00 | 323.00 | 221.50 | 88.50 | 120.50 | 80.00 | 257.00 | 304.00 | 426.00 | 3488.50 | |||||||||||||
1996 | 491.00 | 364.00 | 436.50 | 365.00 | 310.00 | 228.50 | 123.50 | 123.00 | 197.00 | 274.00 | 399.00 | 493.50 | 3805.00 | |||||||||||||
1997 | 515.00 | 474.50 | 467.50 | 379.50 | 170.00 | 166.50 | 85.50 | 44.00 | 46.50 | 254.00 | 328.50 | 575.50 | 3507.00 | |||||||||||||
1998 | 441.50 | 471.00 | 454.00 | 428.50 | 352.00 | 230.50 | 144.50 | 111.00 | 141.50 | 277.00 | 433.00 | 652.00 | 4136.50 | |||||||||||||
1999 | 566.00 | 528.00 | 549.00 | 414.00 | 351.00 | 199.50 | 144.50 | 53.50 | 150.00 | 219.14 | b | 255.50 | 530.50 | 3960.64 | ||||||||||||
2000 | 502.00 | 373.00 | 431.50 | 265.50 | 236.50 | 118.00 | 101.50 | 59.50 | 64.50 | 209.00 | 417.00 | 466.50 | 3244.50 | |||||||||||||
2001 | 484.00 | 447.00 | 366.00 | 407.50 | 200.50 | 162.00 | 116.50 | 66.50 | 101.50 | 166.50 | 309.50 | 444.50 | 3272.00 | |||||||||||||
2002 | 528.50 | 325.00 | 468.00 | 313.00 | 300.50 | 174.00 | 68.50 | 93.50 | 94.50 | 256.00 | 281.50 | 410.50 | 3313.50 | |||||||||||||
2003 | 265.00 | 396.00 | 334.50 | 400.50 | 268.00 | 136.00 | 54.50 | 21.00 | 60.50 | 128.00 | 395.50 | 458.50 | 2918.00 | |||||||||||||
2004 | 454.00 | 408.00 | 291.50 | 255.00 | 183.00 | 109.50 | 37.00 | 0.00 | z | 0.00 | z | 0.00 | z | 367.50 | 425.00 | 2530.50 | ||||||||||
2005 | 465.50 | 334.00 | 302.00 | 333.00 | 169.00 | 158.00 | 34.50 | 50.50 | 124.00 | 197.50 | 373.50 | 410.00 | 2951.50 | |||||||||||||
2006 | 436.00 | 384.50 | 514.00 | 360.50 | 217.52 | a | 94.04 | d | 47.00 | m | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 2006.56 | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 535.57 | 439.73 | 455.24 | 383.17 | 297.14 | 194.05 | 133.01 | 109.92 | 135.24 | 238.26 | 382.21 | 516.19 | 3816.14 | |||||||||||||
S.D. | 96.20 | 82.44 | 81.59 | 67.45 | 63.31 | 49.93 | 43.29 | 41.02 | 47.79 | 57.61 | 73.77 | 88.82 | 500.81 | |||||||||||||
SKEW | -0.02 | -0.23 | -0.59 | 0.11 | -0.56 | -0.15 | -0.47 | 0.23 | -0.14 | 0.14 | 0.29 | 0.35 | -0.58 | |||||||||||||
MAX | 780.00 | 592.50 | 603.50 | 566.50 | 412.50 | 309.50 | 210.00 | 206.50 | 223.00 | 403.50 | 613.00 | 741.50 | 4829.50 | |||||||||||||
MIN | 265.00 | 249.00 | 217.50 | 225.50 | 163.00 | 85.50 | 34.50 | 21.00 | 35.00 | 115.00 | 216.50 | 340.50 | 2516.00 | |||||||||||||
NO YRS | 75 | 76 | 76 | 75 | 76 | 75 | 75 | 73 | 74 | 74 | 75 | 74 | 69 |