YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1931 | 621.00 | 637.00 | 637.50 | 472.50 | 326.00 | 264.00 | 134.50 | 141.00 | 256.00 | 437.74 | b | 699.00 | e | 824.94 | d | 5451.19 | ||||||||||
1932 | 892.00 | 566.00 | h | 650.50 | 530.00 | 439.00 | 239.00 | 251.00 | 166.00 | 225.00 | e | 405.50 | 565.50 | 877.00 | 5240.50 | |||||||||||
1933 | 869.00 | 835.50 | 725.50 | 606.50 | 525.00 | 350.00 | 239.50 | 114.50 | 326.50 | 444.50 | 563.00 | 710.50 | 6310.00 | |||||||||||||
1934 | 668.16 | c | 541.00 | 524.70 | d | 356.67 | c | 350.50 | 279.50 | 221.00 | 113.67 | d | 269.00 | 385.50 | 529.62 | d | 748.50 | 4987.81 | ||||||||
1935 | 793.00 | 611.50 | 807.00 | 573.00 | 423.50 | 257.00 | 198.63 | d | 182.26 | b | 123.50 | i | 66.50 | z | 678.33 | c | 692.50 | 5216.72 | ||||||||
1936 | 741.00 | 899.50 | 706.28 | a | 0.00 | z | 334.00 | 215.89 | b | 179.00 | 105.00 | 264.00 | 319.82 | a | 606.00 | 724.50 | 5094.99 | |||||||||
1937 | 1080.00 | 769.00 | 639.78 | b | 615.00 | 423.50 | 218.28 | a | 164.50 | 187.60 | b | 220.50 | 329.00 | 592.50 | 708.50 | 5948.16 | ||||||||||
1938 | 756.50 | 686.00 | 701.50 | 523.50 | 398.50 | 265.00 | 158.50 | 195.00 | 147.50 | 427.00 | 369.50 | n | 772.00 | 5031.00 | ||||||||||||
1939 | 732.50 | 754.50 | 688.50 | 507.50 | 417.47 | a | 322.50 | 231.90 | e | 129.00 | 232.50 | 455.00 | 480.50 | 614.00 | 5565.87 | |||||||||||
1940 | 694.52 | e | 622.50 | 592.58 | e | 459.00 | 325.00 | 212.50 | 171.05 | c | 107.00 | 157.50 | 344.50 | 707.50 | 700.50 | 5094.15 | ||||||||||
1941 | 62.50 | z | 579.48 | e | 499.62 | a | 348.50 | f | 393.91 | b | 144.50 | m | 110.50 | 146.73 | a | 288.10 | a | 402.00 | 570.00 | e | 796.38 | b | 3786.72 | |||
1942 | 773.00 | 506.50 | h | 734.59 | c | 365.50 | i | 389.00 | 281.00 | 97.28 | b | 85.50 | 196.67 | c | 361.00 | 310.00 | p | 235.00 | v | 2918.03 | ||||||
1943 | 941.88 | a | 621.38 | b | 737.00 | 490.34 | a | 376.00 | f | 316.67 | c | 138.50 | f | 182.68 | c | 179.00 | 391.63 | a | 577.00 | 763.00 | 5200.59 | |||||
1944 | 745.50 | 702.50 | 708.00 | 546.00 | 412.30 | a | 301.80 | e | 149.50 | 163.30 | c | 182.22 | c | 315.50 | 572.50 | 615.00 | g | 4799.13 | ||||||||
1945 | 720.75 | a | 648.50 | 742.28 | d | 486.50 | f | 341.50 | 292.50 | 117.50 | f | 175.84 | b | 281.00 | 404.03 | a | 708.50 | 801.50 | 5116.41 | |||||||
1946 | 772.00 | 689.23 | b | 703.00 | 589.50 | 338.00 | 310.86 | a | 167.40 | a | 164.62 | b | 263.89 | c | 555.93 | a | 737.07 | a | 810.28 | b | 6101.78 | |||||
1947 | 913.50 | 593.00 | 558.00 | b | 475.00 | 334.00 | 259.82 | b | 181.35 | a | 198.92 | a | 223.00 | 463.97 | a | 681.43 | b | 724.88 | a | 5606.87 | ||||||
1948 | 814.50 | 788.70 | a | 744.00 | 659.50 | 443.00 | 174.50 | 185.50 | 199.00 | 281.00 | 461.00 | 719.00 | 932.07 | a | 6401.76 | |||||||||||
1949 | 1043.00 | 801.00 | 664.50 | 542.50 | 365.00 | 319.50 | 239.00 | 204.00 | 208.20 | e | 535.00 | 467.00 | 818.00 | 6206.70 | ||||||||||||
1950 | 1184.00 | 723.50 | 744.50 | 628.00 | 513.50 | 222.93 | a | 160.00 | 144.00 | 246.50 | 488.00 | 667.00 | 627.00 | 6348.93 | ||||||||||||
1951 | 842.00 | 690.50 | 823.00 | 494.00 | 411.00 | 234.00 | 154.50 | 180.00 | 222.41 | a | 464.00 | 632.00 | 868.00 | 6015.41 | ||||||||||||
1952 | 881.00 | 727.00 | 737.00 | 559.00 | 412.00 | 370.00 | 179.00 | 166.00 | 189.50 | 275.00 | 652.50 | 725.00 | 5873.00 | |||||||||||||
1953 | 669.00 | 678.50 | 709.50 | 566.00 | 425.00 | 356.00 | 171.00 | 152.00 | 208.00 | 371.50 | 560.50 | 696.50 | 5563.50 | |||||||||||||
1954 | 911.00 | 671.00 | 784.50 | 665.50 | 438.50 | 347.50 | 269.50 | 213.50 | 215.50 | 426.00 | 483.00 | 757.00 | 6182.50 | |||||||||||||
1955 | 782.50 | 749.00 | 825.50 | 690.00 | 542.50 | 317.50 | 273.50 | 241.50 | 281.50 | 439.00 | 746.00 | 856.50 | 6745.00 | |||||||||||||
1956 | 814.00 | 842.50 | 773.00 | 480.50 | 329.00 | 323.00 | 159.00 | 144.00 | 225.00 | 493.00 | 637.00 | 740.00 | 5960.00 | |||||||||||||
1957 | 948.50 | 733.00 | 683.50 | 506.50 | 342.50 | 254.50 | 222.00 | 192.50 | 112.50 | 433.00 | 630.00 | 703.00 | 5761.50 | |||||||||||||
1958 | 659.35 | e | 520.50 | 679.00 | 552.50 | 275.50 | 132.50 | 61.00 | 129.68 | a | 174.50 | g | 408.50 | 684.00 | 613.00 | 4715.53 | ||||||||||
1959 | 777.00 | 695.50 | 698.50 | 538.00 | 375.00 | f | 276.00 | 146.50 | 212.50 | 288.00 | 443.00 | 626.00 | 757.00 | 5458.00 | ||||||||||||
1960 | 809.21 | b | 700.50 | 700.00 | 548.00 | 486.00 | 302.50 | 130.50 | g | 194.50 | 236.50 | 386.50 | 637.00 | 748.13 | a | 5748.84 | ||||||||||
1961 | 660.00 | 617.00 | 682.50 | 591.50 | 429.50 | 190.50 | 99.00 | 59.00 | 275.50 | 514.00 | 688.00 | 819.12 | e | 5625.62 | ||||||||||||
1962 | 785.00 | 619.50 | 771.50 | 530.50 | 531.28 | b | 327.00 | 197.50 | 175.00 | 221.50 | 397.00 | 595.00 | 668.00 | 5818.78 | ||||||||||||
1963 | 892.50 | 486.00 | 702.00 | 550.00 | 401.50 | 280.50 | 198.00 | 131.00 | 124.00 | 388.00 | 635.50 | 683.00 | 5472.00 | |||||||||||||
1964 | 756.00 | 692.00 | 706.00 | 615.50 | 475.50 | 267.50 | 205.00 | 183.00 | 270.00 | 402.00 | 716.00 | 891.00 | 6179.50 | |||||||||||||
1965 | 829.50 | 649.50 | 624.50 | 510.50 | 488.50 | 302.50 | 148.50 | 128.00 | 293.00 | 351.00 | 555.00 | 814.50 | 5695.00 | |||||||||||||
1966 | 774.50 | 651.00 | 679.93 | a | 540.00 | 441.00 | 304.50 | 214.86 | b | 170.50 | 181.50 | 458.00 | 596.00 | 670.50 | 5682.30 | |||||||||||
1967 | 720.00 | 635.50 | 777.50 | 642.50 | 431.93 | a | 166.00 | 134.50 | 57.50 | 134.50 | 391.50 | 594.31 | a | 783.00 | 5468.74 | |||||||||||
1968 | 792.00 | 567.00 | 594.00 | 606.50 | 399.50 | 302.50 | 131.50 | 179.50 | 228.50 | 474.50 | 604.00 | 893.83 | d | 5773.33 | ||||||||||||
1969 | 1061.75 | a | 752.50 | 633.50 | 562.00 | 329.50 | 142.00 | 195.00 | 217.52 | a | 243.00 | 458.50 | 564.00 | 659.00 | 5818.27 | |||||||||||
1970 | 779.00 | 537.50 | 642.50 | 641.50 | 457.50 | 237.00 | e | 178.50 | 169.50 | 296.00 | 471.50 | 650.00 | 818.00 | 5878.50 | ||||||||||||
1971 | 830.00 | 659.00 | 781.00 | 570.00 | 422.00 | 373.00 | 171.00 | 117.69 | d | 296.00 | 483.00 | 633.50 | 888.00 | 6224.19 | ||||||||||||
1972 | 724.50 | f | 698.90 | d | 661.50 | 680.50 | 307.50 | 255.00 | 152.50 | 60.93 | b | 340.50 | 472.50 | 615.50 | 824.37 | d | 5069.70 | |||||||||
1973 | 815.50 | 610.50 | 665.00 | 517.50 | 363.00 | 255.50 | 162.00 | 205.50 | 181.00 | 464.00 | 730.00 | 709.00 | 5678.50 | |||||||||||||
1974 | 825.50 | 667.50 | 682.50 | 523.00 | 490.00 | 246.00 | 198.50 | 112.50 | 113.50 | 374.00 | 582.00 | 686.50 | 5501.50 | |||||||||||||
1975 | 815.00 | 704.00 | 720.50 | 621.50 | 388.00 | 298.00 | 114.00 | 176.50 | 127.00 | 470.50 | 659.00 | 774.00 | 5868.00 | |||||||||||||
1976 | 725.00 | 712.00 | 765.00 | 531.00 | 414.50 | 314.00 | 160.00 | 167.00 | 138.00 | 373.00 | 567.00 | 694.50 | 5561.00 | |||||||||||||
1977 | 799.50 | 535.00 | 701.00 | 461.00 | 431.50 | 228.62 | a | 176.50 | 83.50 | 240.00 | 427.00 | 695.00 | 0.00 | z | 4778.62 | |||||||||||
1978 | 692.00 | 580.00 | 566.00 | 500.00 | 397.00 | 145.50 | 94.00 | 135.00 | 221.00 | 331.00 | 721.50 | 905.00 | 5288.00 | |||||||||||||
1979 | 922.50 | 707.50 | 567.50 | 499.50 | 317.00 | 260.50 | 110.50 | 71.82 | a | 89.00 | 315.50 | 602.50 | 654.50 | 5118.32 | ||||||||||||
1980 | 919.50 | 581.50 | 663.50 | 448.00 | 382.00 | 284.50 | 134.00 | 160.50 | 176.00 | 323.00 | 563.50 | 674.50 | 5310.50 | |||||||||||||
1981 | 636.50 | 580.50 | 543.00 | 492.00 | 376.50 | 307.00 | 169.00 | 96.50 | 185.50 | 425.50 | 573.00 | 788.00 | 5173.00 | |||||||||||||
1982 | 867.50 | 685.00 | 693.00 | 627.00 | 406.00 | 173.00 | 184.00 | 120.00 | 156.00 | 427.00 | 735.50 | 821.50 | 5895.50 | |||||||||||||
1983 | 662.00 | 582.50 | 561.00 | 464.00 | 283.50 | 226.50 | 130.00 | 63.00 | 217.50 | 461.00 | 602.00 | 955.00 | 5208.00 | |||||||||||||
1984 | 737.50 | 616.50 | 561.50 | 520.00 | 410.50 | 257.00 | 127.00 | 121.50 | 234.00 | 497.50 | 648.00 | 882.50 | 5613.50 | |||||||||||||
1985 | 818.00 | 705.00 | 720.00 | 501.50 | 361.00 | 240.50 | 45.00 | 123.00 | 261.50 | 482.00 | 877.00 | 861.50 | 5996.00 | |||||||||||||
1986 | 637.00 | 677.50 | 544.50 | 565.00 | 365.50 | 165.00 | 202.50 | 61.50 | 252.50 | 357.00 | 627.00 | 698.50 | 5153.50 | |||||||||||||
1987 | 753.00 | 568.50 | 574.00 | 420.00 | 329.00 | 191.50 | 146.00 | 86.00 | 127.50 | 309.50 | 521.00 | 838.50 | 4864.50 | |||||||||||||
1988 | 798.50 | 586.00 | 633.50 | 459.00 | 352.00 | 253.00 | 137.00 | 105.50 | 221.50 | 320.50 | 619.50 | 742.50 | 5228.50 | |||||||||||||
1989 | 796.50 | 837.50 | 723.50 | 401.00 | 335.00 | 172.00 | 166.00 | 111.50 | 117.50 | 428.50 | 584.50 | 710.00 | 5383.50 | |||||||||||||
1990 | 739.00 | 728.50 | 579.00 | 435.00 | 378.50 | 234.00 | 67.50 | 64.50 | 121.50 | 502.00 | 605.50 | 926.50 | 5381.50 | |||||||||||||
1991 | 812.00 | 484.00 | 693.00 | 507.50 | 412.50 | 288.50 | 130.50 | 119.00 | 143.00 | 432.00 | 573.50 | 692.00 | 5287.50 | |||||||||||||
1992 | 656.50 | 535.50 | 461.50 | 440.00 | 245.00 | 144.50 | 98.00 | 96.50 | 240.50 | 390.50 | 605.00 | 855.50 | 4769.00 | |||||||||||||
1993 | 912.50 | 665.50 | 589.00 | 491.00 | 256.50 | 205.00 | 173.50 | 113.00 | 188.00 | 336.00 | 721.50 | 774.50 | 5426.00 | |||||||||||||
1994 | 656.50 | 718.50 | 577.50 | 454.50 | 328.00 | 258.50 | 129.50 | 97.00 | 135.50 | 467.00 | 737.00 | 774.00 | 5333.50 | |||||||||||||
1995 | 709.50 | 577.50 | 615.50 | 494.50 | 300.50 | 236.00 | 105.00 | 164.50 | 106.50 | 437.50 | 520.50 | 741.00 | 5008.50 | |||||||||||||
1996 | 787.50 | 662.00 | 589.50 | 451.00 | 450.50 | 272.00 | 97.00 | 77.50 | 244.50 | 458.50 | 671.50 | 852.50 | 5614.00 | |||||||||||||
1997 | 734.00 | 627.00 | 685.00 | 509.50 | 255.00 | 233.50 | 113.00 | 66.00 | 132.00 | 420.00 | 541.50 | 721.50 | 5038.00 | |||||||||||||
1998 | 751.50 | 598.00 | 602.50 | 514.00 | 323.00 | 230.00 | 105.00 | 95.00 | 178.00 | 403.50 | 596.00 | 803.00 | 5199.50 | |||||||||||||
1999 | 750.50 | 693.50 | 718.50 | 525.00 | 475.50 | 293.00 | 162.00 | 96.00 | 200.00 | 469.00 | 592.00 | 738.00 | 5713.00 | |||||||||||||
2000 | 837.00 | 657.50 | 643.00 | 448.50 | 418.00 | 201.00 | 130.50 | 149.50 | 217.00 | 453.63 | a | 713.50 | 787.92 | a | 5657.05 | |||||||||||
2001 | 726.50 | 695.00 | 635.00 | 548.00 | 393.50 | 286.50 | 195.50 | 136.50 | 224.00 | 489.50 | 596.50 | 783.00 | 5709.50 | |||||||||||||
2002 | 766.50 | 671.50 | 754.00 | 528.62 | a | 441.00 | 193.00 | 114.00 | 141.00 | 220.18 | b | 462.00 | 564.00 | 727.00 | 5582.80 | |||||||||||
2003 | 623.50 | 646.00 | 614.00 | 544.00 | 379.50 | 161.50 | 105.50 | 122.00 | 164.50 | 372.50 | 737.50 | 783.00 | 5253.50 | |||||||||||||
2004 | 751.50 | 639.00 | 574.00 | 396.50 | 322.00 | 181.00 | 78.50 | 38.00 | 232.00 | 404.00 | 594.00 | 720.50 | 4931.00 | |||||||||||||
2005 | 746.00 | 628.50 | 539.00 | 475.50 | 254.50 | 220.00 | 88.50 | 63.50 | 256.00 | 420.50 | 681.50 | 763.00 | 5136.50 | |||||||||||||
2006 | 666.00 | 673.00 | 687.50 | 508.50 | 354.00 | 199.29 | b | 96.50 | k | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 3088.29 | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 791.58 | 661.01 | 666.08 | 528.31 | 387.29 | 253.60 | 156.27 | 136.28 | 210.87 | 419.35 | 627.61 | 768.91 | 5600.71 | |||||||||||||
S.D. | 108.84 | 82.65 | 79.73 | 69.46 | 67.43 | 57.77 | 48.73 | 47.56 | 58.08 | 59.04 | 73.84 | 79.40 | 422.65 | |||||||||||||
SKEW | 1.08 | 0.32 | -0.25 | 0.22 | 0.05 | -0.13 | 0.15 | -0.03 | -0.15 | -0.27 | 0.42 | 0.26 | 0.30 | |||||||||||||
MAX | 1184.00 | 899.50 | 825.50 | 690.00 | 542.50 | 373.00 | 273.50 | 241.50 | 340.50 | 555.93 | 877.00 | 955.00 | 6745.00 | |||||||||||||
MIN | 621.00 | 484.00 | 461.50 | 356.67 | 245.00 | 132.50 | 45.00 | 38.00 | 89.00 | 275.00 | 467.00 | 613.00 | 4769.00 | |||||||||||||
NO YRS | 74 | 74 | 76 | 72 | 74 | 75 | 72 | 75 | 73 | 74 | 73 | 72 | 61 |