| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1899 | 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 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1900 | 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 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1901 | 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 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1902 | 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 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1903 | 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 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1904 | 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 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1905 | 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 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1906 | 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 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1907 | 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 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1908 | 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 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1909 | 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 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1910 | 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 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1911 | 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 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1912 | 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 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1913 | 0.00 | z | 0.00 | z | 0.00 | z | 325.86 | a | 632.92 | a | 810.00 | b | 988.50 | 1075.38 | b | 542.00 | i | 153.50 | j | 127.50 | 0.00 | b | 3960.16 | |||
| 1914 | 11.00 | 8.50 | 120.38 | a | 309.50 | 643.25 | a | 679.80 | e | 801.50 | g | 1026.44 | d | 637.76 | a | 427.80 | a | 137.88 | d | 3.44 | d | 4005.77 | ||||
| 1915 | 0.00 | a | 8.81 | a | 149.83 | a | 544.82 | b | 488.25 | c | 676.80 | e | 1034.62 | c | 1102.10 | b | 627.50 | 452.71 | b | 116.00 | 13.90 | b | 5215.35 | |||
| 1916 | 3.32 | c | 0.50 | 175.31 | b | 325.86 | a | 381.00 | 707.50 | 1094.00 | 999.00 | 687.50 | 290.50 | 51.50 | 9.09 | b | 4725.08 | |||||||||
| 1917 | 0.00 | l | 0.52 | a | 15.50 | 158.57 | b | 383.00 | 742.76 | a | 1152.17 | d | 724.50 | h | 718.00 | 388.50 | 99.00 | 42.07 | c | 3700.09 | ||||||
| 1918 | 4.13 | a | 0.00 | 153.50 | 221.00 | 384.50 | g | 742.00 | h | 841.00 | f | 720.50 | h | 778.00 | 446.00 | 107.50 | 9.82 | a | 1719.95 | |||||||
| 1919 | 1.00 | 0.52 | a | 152.00 | 358.50 | 689.00 | 951.50 | 1184.56 | e | 1114.97 | a | 792.50 | 195.00 | 0.00 | z | 0.00 | z | 5439.54 | ||||||||
| 1920 | 0.00 | z | 0.00 | z | 0.00 | z | 129.00 | 532.00 | 804.00 | 1155.00 | 1043.00 | 688.00 | 249.00 | 38.00 | 0.00 | 4638.00 | ||||||||||
| 1921 | 10.50 | 30.00 | 142.00 | 214.50 | 532.00 | 872.00 | 1117.00 | 1019.00 | 608.50 | 494.50 | 157.00 | 3.00 | 5200.00 | |||||||||||||
| 1922 | 0.00 | 1.50 | 37.20 | a | 184.00 | 573.00 | 967.24 | a | 1056.50 | 1070.50 | 798.50 | 439.00 | 23.00 | 6.50 | 5156.94 | |||||||||||
| 1923 | 8.50 | 0.00 | a | 49.50 | 244.00 | 602.00 | 732.93 | a | 1141.50 | 950.50 | 689.50 | 214.50 | 76.50 | 3.00 | 4712.43 | |||||||||||
| 1924 | 0.00 | 12.00 | 5.50 | 275.69 | a | 668.50 | 809.00 | 1042.50 | 909.50 | 571.50 | 233.50 | 44.00 | 0.00 | 4571.69 | ||||||||||||
| 1925 | 0.00 | 14.00 | 153.00 | 334.00 | 695.50 | 740.00 | 1135.50 | 947.00 | 661.50 | 308.00 | 18.50 | 2.50 | 5009.50 | |||||||||||||
| 1926 | 0.00 | 2.00 | 123.00 | 434.00 | 603.00 | 897.00 | 1085.50 | 1009.50 | 583.00 | 379.50 | 107.50 | 24.00 | 5248.00 | |||||||||||||
| 1927 | 0.00 | 7.50 | 61.00 | 220.00 | 422.00 | 790.00 | 1038.50 | 967.50 | 662.00 | 373.50 | 136.50 | 5.17 | a | 4683.67 | ||||||||||||
| 1928 | 0.00 | 0.00 | 129.00 | 210.50 | 713.50 | 711.00 | 1096.00 | 962.50 | 692.50 | 349.00 | 55.50 | 0.00 | 4919.50 | |||||||||||||
| 1929 | 0.00 | 0.00 | 58.50 | 200.50 | 518.50 | 729.00 | 1112.50 | 1081.00 | 568.00 | 345.00 | 8.50 | 55.50 | 4677.00 | |||||||||||||
| 1930 | 0.00 | a | 26.44 | a | 90.50 | 436.50 | 439.54 | c | 802.00 | 1164.50 | 1045.50 | 692.07 | a | 267.78 | b | 41.50 | 0.00 | a | 5006.33 | |||||||
| 1931 | 0.00 | 0.00 | 79.50 | 329.50 | 583.00 | 971.00 | 1223.00 | 1117.60 | b | 708.62 | a | 423.00 | 88.45 | a | 0.00 | 5523.67 | ||||||||||
| 1932 | 0.00 | a | 0.00 | 42.50 | 279.83 | a | 626.00 | 800.00 | 1063.50 | 992.53 | b | 728.65 | d | 322.92 | a | 77.50 | 8.55 | b | 4941.98 | |||||||
| 1933 | 0.00 | 0.00 | 44.50 | 221.50 | 437.10 | a | 1016.50 | 1211.00 | 990.45 | a | 754.50 | 541.50 | 62.50 | 12.50 | 5292.05 | |||||||||||
| 1934 | 8.00 | 38.00 | 251.74 | b | 477.50 | 809.00 | 821.00 | 1138.50 | 1107.45 | b | 647.07 | a | 451.10 | b | 140.50 | 9.50 | 5899.36 | |||||||||
| 1935 | 5.17 | a | 15.00 | 91.50 | 327.50 | 483.00 | 915.56 | c | 1126.50 | 1050.90 | a | 809.46 | b | 387.00 | 9.00 | 0.00 | a | 5220.59 | ||||||||
| 1936 | 2.00 | 10.00 | 54.25 | a | 446.00 | 692.50 | 933.33 | c | 1165.60 | a | 1062.30 | c | 677.31 | d | 305.50 | i | 30.00 | d | 3.00 | 5076.29 | ||||||
| 1937 | 0.00 | e | 0.00 | a | 48.22 | d | 203.04 | b | 687.96 | e | 785.56 | c | 1120.13 | a | 1090.50 | 801.43 | b | 463.50 | 78.00 | 20.00 | 5298.34 | |||||
| 1938 | 22.00 | f | 31.50 | 111.17 | b | 373.97 | a | 553.41 | d | 928.50 | 1074.00 | 1091.09 | c | 884.46 | b | 398.00 | 10.00 | 5.50 | 5461.60 | |||||||
| 1939 | 0.00 | 0.00 | 116.00 | 355.86 | a | 635.00 | 743.50 | 1055.55 | a | 955.46 | c | 658.50 | 322.00 | 67.00 | 52.50 | 4961.38 | ||||||||||
| 1940 | 0.00 | 43.50 | 150.50 | 329.00 | 709.50 | 925.00 | 1107.50 | 1060.50 | 704.00 | 380.50 | 47.50 | 0.00 | 5457.50 | |||||||||||||
| 1941 | 0.00 | 14.00 | 119.50 | 256.61 | b | 647.00 | 745.50 | 1065.50 | 971.00 | 559.50 | 305.50 | 114.00 | 17.00 | 4815.11 | ||||||||||||
| 1942 | 0.00 | a | 0.00 | 7.50 | 339.50 | 429.50 | 714.50 | 1117.50 | 983.00 | 0.00 | z | 0.00 | z | 53.00 | i | 4.77 | e | 3596.27 | ||||||||
| 1943 | 21.00 | 7.50 | 11.50 | t | 0.00 | z | 0.00 | z | 442.50 | o | 1095.00 | 1046.00 | 741.72 | a | 339.50 | h | 64.00 | 0.00 | 2975.22 | |||||||
| 1944 | 0.00 | d | 0.00 | 15.50 | 182.50 | 629.00 | 690.50 | 1101.00 | 1069.50 | 738.50 | 552.00 | 70.50 | 0.00 | 5049.00 | ||||||||||||
| 1945 | 8.50 | 18.00 | 59.00 | 201.72 | a | 585.38 | a | 667.24 | a | 1172.50 | 1034.22 | b | 581.00 | 443.19 | d | 46.50 | i | 14.31 | e | 4785.07 | ||||||
| 1946 | 1.50 | 3.50 | d | 66.00 | i | 415.56 | c | 507.50 | 835.50 | 1113.13 | d | 1098.36 | b | 539.50 | f | 170.50 | b | 24.44 | c | 42.00 | 4211.99 | |||||
| 1947 | 0.00 | a | 16.50 | 138.50 | 235.71 | b | 649.34 | c | 739.50 | 986.00 | i | 81.50 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1.03 | a | 1780.59 | ||||
| 1948 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1169.73 | a | 1100.50 | 708.50 | 413.00 | 47.00 | 11.50 | 3450.23 | ||||||
| 1949 | 0.00 | 0.00 | 83.50 | 449.00 | 591.00 | 802.00 | 1127.50 | 1117.00 | 814.14 | a | 274.50 | 151.00 | 2.50 | 5412.14 | ||||||||||||
| 1950 | 16.50 | 47.00 | 91.50 | 225.50 | 455.00 | 741.50 | 1037.00 | 981.50 | 678.00 | 534.50 | 125.00 | 6.00 | 4939.00 | |||||||||||||
| 1951 | 0.00 | 26.00 | 44.00 | 353.50 | 587.00 | 739.50 | 1134.50 | 960.50 | 723.50 | 330.00 | 41.00 | 5.50 | 4945.00 | |||||||||||||
| 1952 | 1.00 | 1.00 | 8.50 | 341.50 | 629.50 | 825.50 | 1084.48 | a | 1049.50 | 853.50 | 542.00 | 36.00 | 3.00 | 5375.48 | ||||||||||||
| 1953 | 56.50 | 27.00 | 171.00 | 259.00 | 444.00 | 806.50 | 1206.00 | 1091.50 | 825.00 | 457.50 | 228.00 | 4.50 | 5576.50 | |||||||||||||
| 1954 | 12.00 | 28.00 | 57.50 | 437.00 | 686.65 | a | 816.00 | 1206.50 | 1047.50 | 775.34 | a | 424.50 | 90.50 | 0.00 | 5581.49 | |||||||||||
| 1955 | 1.00 | 0.00 | 37.50 | 206.00 | 577.50 | 782.50 | 1085.50 | 1118.50 | 734.00 | 429.00 | 62.00 | 77.00 | 5110.50 | |||||||||||||
| 1956 | 18.08 | a | 3.50 | 162.00 | 317.00 | 650.00 | 901.00 | 1176.50 | 1010.50 | 812.50 | 403.00 | 38.00 | 9.00 | 5501.08 | ||||||||||||
| 1957 | 0.00 | 62.00 | 130.50 | 245.00 | 573.00 | 836.50 | 1122.00 | 1131.50 | 732.50 | 372.50 | 10.50 | 20.50 | 5236.50 | |||||||||||||
| 1958 | 0.50 | 73.50 | 71.00 | 238.00 | 777.50 | 940.34 | a | 1092.00 | 1149.00 | 784.50 | 485.00 | 123.00 | 15.00 | 5749.34 | ||||||||||||
| 1959 | 6.50 | 19.00 | 92.50 | 361.00 | 503.50 | 970.50 | 1155.00 | 1060.50 | 657.00 | 375.50 | 70.00 | 0.00 | 5271.00 | |||||||||||||
| 1960 | 0.00 | 1.00 | 163.00 | 326.90 | a | 557.48 | a | 925.50 | 1249.00 | 1028.50 | 860.00 | 400.50 | 101.50 | 13.50 | 5626.88 | |||||||||||
| 1961 | 1.00 | 46.50 | 103.00 | 301.50 | 637.00 | 1073.50 | 1228.00 | 1173.50 | 552.00 | 361.00 | 25.50 | 9.50 | 5512.00 | |||||||||||||
| 1962 | 1.50 | 43.50 | 54.50 | 382.50 | 526.00 | 794.50 | 1050.00 | 997.00 | 763.50 | 484.50 | 156.50 | 4.50 | 5258.50 | |||||||||||||
| 1963 | 9.50 | 126.50 | 132.50 | 203.00 | 723.00 | 742.00 | 1190.00 | 1181.50 | 854.00 | 575.50 | 86.50 | 0.00 | 5824.00 | |||||||||||||
| 1964 | 3.50 | 0.00 | 20.00 | 226.00 | 566.00 | 714.50 | 1220.50 | 1034.00 | 736.00 | 493.00 | 86.50 | 68.00 | 5168.00 | |||||||||||||
| 1965 | 33.00 | 26.00 | 119.00 | 352.00 | 545.00 | 799.00 | 1153.95 | b | 1010.50 | 539.50 | 491.50 | 198.50 | 8.50 | 5276.45 | ||||||||||||
| 1966 | 0.00 | 0.00 | 170.00 | 324.50 | 715.00 | 876.00 | 1202.91 | c | 1038.50 | 801.00 | 314.50 | 133.50 | 10.00 | 5585.91 | ||||||||||||
| 1967 | 7.50 | 31.00 | 138.50 | 175.00 | 582.00 | 735.00 | 1186.00 | 1226.00 | 803.50 | 386.50 | 178.50 | 0.50 | 5450.00 | |||||||||||||
| 1968 | 0.00 | 36.77 | a | 176.00 | 185.50 | 580.50 | 825.00 | 1184.00 | 894.50 | 658.50 | 365.50 | 38.00 | 1.50 | 4945.77 | ||||||||||||
| 1969 | 35.00 | 0.00 | 64.50 | 324.00 | 798.50 | 753.50 | 1147.00 | 1163.50 | 873.50 | 234.00 | 95.50 | 9.50 | 5498.50 | |||||||||||||
| 1970 | 48.00 | 40.00 | 65.00 | 153.50 | 624.00 | 885.00 | 1119.00 | 1161.00 | 636.50 | 255.00 | 92.00 | 3.50 | 5082.50 | |||||||||||||
| 1971 | 29.00 | 20.50 | 128.50 | 317.50 | 542.50 | 848.00 | 1253.95 | a | 1210.00 | 566.40 | e | 301.50 | 44.00 | 2.14 | b | 5263.99 | ||||||||||
| 1972 | 5.00 | 69.00 | 256.00 | 251.50 | 699.00 | 963.00 | 1172.50 | 1129.50 | 637.50 | 402.00 | 35.50 | 3.00 | 5623.50 | |||||||||||||
| 1973 | 0.00 | 0.00 | 27.00 | 233.00 | 468.00 | i | 576.00 | k | 0.00 | z | 0.00 | z | 0.00 | z | 409.00 | 0.00 | z | 9.00 | 678.00 | |||||||
| 1974 | 12.00 | 0.00 | 81.00 | h | 0.00 | z | 651.50 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 663.50 | ||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 6.70 | 17.59 | 98.44 | 293.07 | 593.16 | 820.20 | 1131.62 | 1054.57 | 711.28 | 384.46 | 80.77 | 11.10 | 5226.05 | |||||||||||||
| S.D. | 12.07 | 23.95 | 58.77 | 91.39 | 100.22 | 95.61 | 59.94 | 73.63 | 90.67 | 95.03 | 50.84 | 16.71 | 321.18 | |||||||||||||
| SKEW | 2.49 | 2.12 | 0.44 | 0.47 | -0.13 | 0.52 | -0.03 | 0.13 | -0.04 | -0.18 | 0.69 | 2.43 | -0.04 | |||||||||||||
| MAX | 56.50 | 126.50 | 256.00 | 544.82 | 809.00 | 1073.50 | 1253.95 | 1226.00 | 884.46 | 575.50 | 228.00 | 77.00 | 5899.36 | |||||||||||||
| MIN | 0.00 | 0.00 | 5.50 | 129.00 | 381.00 | 667.24 | 988.50 | 894.50 | 539.50 | 170.50 | 8.50 | 0.00 | 4571.69 | |||||||||||||
| NO YRS | 57 | 59 | 56 | 59 | 58 | 57 | 57 | 57 | 56 | 56 | 56 | 60 | 46 | |||||||||||||