| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1928 | 0.00 | 0.00 | 37.00 | 86.00 | 322.00 | 524.00 | 781.50 | 734.00 | 537.00 | 179.00 | 11.50 | 0.00 | 3212.00 | |||||||||||||
| 1929 | 0.00 | 0.00 | 4.00 | 39.50 | 284.50 | 511.50 | 750.00 | 664.00 | 359.50 | 181.00 | 4.00 | 0.00 | 2798.00 | |||||||||||||
| 1930 | 0.00 | 0.00 | 0.00 | 133.50 | 153.50 | 505.50 | 689.00 | 570.40 | a | 0.00 | z | 50.50 | 10.00 | 0.00 | a | 2112.40 | ||||||||||
| 1931 | 0.00 | 0.00 | 10.00 | 103.00 | 280.00 | 586.00 | 875.50 | 732.50 | 382.50 | f | 148.00 | f | 90.00 | 0.00 | a | 2677.00 | ||||||||||
| 1932 | 0.00 | 0.00 | 5.50 | 140.50 | 262.00 | 0.00 | z | 0.00 | z | 735.00 | 523.00 | 163.00 | 36.50 | 0.00 | 1865.50 | |||||||||||
| 1933 | 0.00 | 0.00 | a | 11.00 | 36.00 | 158.50 | 627.50 | 851.00 | 729.50 | 602.50 | 290.50 | 6.50 | 2.00 | 3315.00 | ||||||||||||
| 1934 | 0.00 | 6.00 | 60.50 | 200.50 | 467.50 | 472.00 | 839.50 | 779.00 | 466.00 | 246.00 | 96.50 | 0.00 | 3633.50 | |||||||||||||
| 1935 | 0.00 | 5.50 | 9.82 | a | 76.50 | 169.50 | 622.50 | 738.50 | 710.00 | 479.50 | 188.07 | a | 0.00 | 0.00 | 2999.88 | |||||||||||
| 1936 | 0.00 | 0.00 | 7.00 | 215.00 | 344.00 | 609.50 | 665.50 | 689.00 | 424.50 | 155.50 | 0.00 | z | 0.00 | e | 3110.00 | |||||||||||
| 1937 | 0.00 | c | 0.00 | a | 0.00 | 37.50 | 303.00 | 477.50 | 718.00 | 722.50 | 474.50 | 113.00 | 1.00 | 0.00 | 2847.00 | |||||||||||
| 1938 | 0.00 | b | 0.00 | b | 0.00 | b | 90.00 | b | 220.50 | 505.00 | 674.50 | 658.50 | 453.10 | a | 101.00 | 0.00 | a | 0.00 | a | 2702.60 | ||||||
| 1939 | 0.00 | 0.00 | d | 3.50 | 71.79 | b | 251.50 | 475.00 | 724.50 | 718.00 | 365.50 | 57.50 | 0.00 | z | 5.50 | 2672.79 | ||||||||||
| 1940 | 0.00 | z | 0.50 | 9.00 | 81.00 | n | 332.50 | 602.00 | 764.00 | 752.50 | 382.50 | 152.00 | 0.00 | 0.00 | z | 2995.00 | ||||||||||
| 1941 | 0.00 | m | 0.00 | 0.00 | 11.00 | 240.00 | 384.50 | 649.00 | 538.00 | 246.50 | 22.00 | 2.00 | 0.00 | 2093.00 | ||||||||||||
| 1942 | 0.00 | a | 0.00 | 0.00 | 47.00 | 156.03 | a | 431.50 | 767.00 | 652.55 | a | 396.00 | 105.00 | 7.50 | 0.00 | 2562.58 | ||||||||||
| 1943 | 0.00 | a | 0.00 | 17.05 | a | 171.00 | 206.00 | 378.50 | 686.00 | 630.73 | e | 438.50 | 168.50 | 3.00 | 0.00 | 2699.28 | ||||||||||
| 1944 | 0.00 | 0.00 | b | 0.00 | b | 4.50 | 189.00 | 321.00 | 668.00 | 642.50 | 416.50 | 118.50 | 7.00 | 0.00 | 2367.00 | |||||||||||
| 1945 | 0.00 | a | 0.00 | 0.00 | 52.00 | 216.00 | 301.50 | 664.29 | c | 605.00 | 337.50 | 125.55 | a | 0.00 | 0.00 | 2301.84 | ||||||||||
| 1946 | 0.00 | b | 0.00 | 4.50 | 114.00 | 169.43 | b | 522.50 | 681.45 | c | 645.50 | 364.50 | 26.00 | 0.00 | 0.50 | 2528.38 | ||||||||||
| 1947 | 0.00 | a | 0.00 | 4.00 | 30.50 | 301.00 | 392.50 | 684.58 | a | 618.40 | b | 480.00 | 143.50 | 3.10 | a | 0.00 | a | 2657.58 | ||||||||
| 1948 | 0.00 | 0.00 | 0.00 | 79.00 | 242.50 | 431.50 | 708.00 | 664.00 | 443.00 | 121.00 | 2.50 | 0.00 | 2691.50 | |||||||||||||
| 1949 | 0.00 | 0.00 | 0.00 | 117.00 | 198.00 | 424.00 | 695.50 | 657.72 | a | 443.00 | 87.50 | 12.50 | 0.00 | b | 2635.22 | |||||||||||
| 1950 | 0.00 | 0.00 | 3.00 | 87.41 | a | 189.50 | 435.50 | 635.50 | a | 621.00 | 330.00 | 242.00 | 17.50 | 0.00 | 2561.41 | |||||||||||
| 1951 | 0.00 | a | 1.56 | a | 0.00 | i | 40.50 | 241.50 | 471.50 | 725.29 | b | 609.50 | 472.00 | 115.70 | c | 0.00 | 0.00 | 2677.55 | ||||||||
| 1952 | 0.00 | 0.00 | b | 1.00 | 67.24 | a | 275.50 | 491.00 | 701.00 | 722.00 | 460.00 | 265.00 | 2.50 | 0.00 | 2985.24 | |||||||||||
| 1953 | 0.50 | 0.00 | 16.50 | 58.50 | 123.50 | 498.50 | 762.00 | 641.18 | a | 494.50 | 141.50 | 27.50 | 0.00 | 2764.18 | ||||||||||||
| 1954 | 0.00 | 0.00 | 7.00 | 122.00 | 337.38 | a | 461.50 | 765.50 | 658.50 | 451.03 | a | 203.00 | 8.00 | 0.00 | 3013.92 | |||||||||||
| 1955 | 0.00 | a | 0.00 | 0.00 | 62.00 | 200.47 | a | 464.00 | 677.87 | a | 663.50 | 458.50 | 178.00 | 2.14 | b | 2.50 | 2708.98 | |||||||||
| 1956 | 0.00 | 0.00 | 19.12 | a | 62.00 | 297.50 | 598.50 | 715.07 | a | 631.50 | 515.36 | b | 138.00 | 0.00 | 0.00 | 2977.04 | ||||||||||
| 1957 | 0.00 | 0.00 | 3.00 | 35.50 | 76.00 | n | 457.50 | d | 0.00 | z | 669.00 | 372.00 | 74.00 | 0.00 | 0.00 | 1611.00 | ||||||||||
| 1958 | 0.00 | 1.00 | 0.00 | 30.52 | a | 338.00 | 548.28 | a | 685.50 | 769.00 | 399.00 | 175.00 | 7.50 | 0.00 | 2953.79 | |||||||||||
| 1959 | 0.00 | a | 0.00 | 0.00 | 104.00 | 204.50 | 606.72 | a | 790.50 | a | 667.00 | 341.50 | 107.47 | a | 0.00 | a | 0.00 | 2821.69 | ||||||||
| 1960 | 0.00 | 0.00 | a | 11.50 | 106.55 | a | 255.23 | a | 597.00 | 804.00 | 691.00 | 487.00 | 112.00 | 12.41 | a | 0.00 | 3076.70 | |||||||||
| 1961 | 0.00 | 0.00 | a | 2.50 | 34.50 | f | 221.02 | d | 584.48 | a | 764.48 | c | 633.00 | 234.64 | b | 114.24 | d | 0.00 | l | 0.00 | p | 2554.37 | ||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 0.02 | 0.43 | 7.47 | 82.25 | 247.00 | 494.54 | 728.19 | 671.34 | 426.52 | 141.23 | 11.97 | 0.33 | 2825.60 | |||||||||||||
| S.D. | 0.09 | 1.39 | 12.33 | 51.18 | 72.66 | 86.44 | 60.25 | 55.62 | 79.69 | 63.79 | 23.26 | 1.10 | 300.68 | |||||||||||||
| SKEW | 5.39 | 3.47 | 2.92 | 0.87 | 0.73 | -0.25 | 0.71 | -0.07 | -0.43 | 0.33 | 2.89 | 3.78 | 0.68 | |||||||||||||
| MAX | 0.50 | 6.00 | 60.50 | 215.00 | 467.50 | 627.50 | 875.50 | 779.00 | 602.50 | 290.50 | 96.50 | 5.50 | 3633.50 | |||||||||||||
| MIN | 0.00 | 0.00 | 0.00 | 4.50 | 123.50 | 301.50 | 635.50 | 538.00 | 234.64 | 22.00 | 0.00 | 0.00 | 2301.84 | |||||||||||||
| NO YRS | 32 | 34 | 33 | 32 | 33 | 33 | 32 | 34 | 32 | 33 | 31 | 32 | 24 | |||||||||||||