YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 205.50 | o | 173.50 | 59.50 | 108.50 | 336.50 | 639.00 | 999.50 | 1211.00 | 3527.50 | ||||||||
1912 | 1346.00 | 1006.50 | 906.00 | 567.50 | 368.50 | 156.50 | 108.50 | 169.00 | 433.00 | 746.00 | 855.00 | 1134.50 | 7797.00 | |||||||||||||
1913 | 1403.00 | 1340.50 | 1075.50 | 591.92 | d | 129.00 | p | 182.50 | 128.00 | 112.50 | 343.50 | 549.50 | 737.00 | 1063.00 | 7526.92 | |||||||||||
1914 | 1045.00 | 1057.00 | 796.00 | 551.50 | 351.00 | 273.00 | 52.50 | 98.00 | 389.00 | 576.50 | 830.00 | 1366.50 | 7386.00 | |||||||||||||
1915 | 1315.50 | 879.50 | 725.50 | 488.50 | 383.00 | 247.76 | a | 86.00 | 11.00 | 365.00 | 555.50 | 992.00 | 1231.00 | 7280.26 | ||||||||||||
1916 | 1596.00 | 1019.50 | 869.50 | 620.00 | 545.50 | 274.00 | 145.00 | 96.50 | 342.93 | a | 753.50 | 1080.50 | 1468.00 | 8810.93 | ||||||||||||
1917 | 1382.00 | 1101.50 | 1188.33 | a | 719.00 | 430.00 | 290.50 | 73.00 | 74.50 | 238.50 | 647.50 | 776.50 | 1008.00 | 7929.33 | ||||||||||||
1918 | 1137.00 | 1053.00 | 806.00 | 585.00 | a | 459.50 | 147.00 | 63.50 | f | 156.55 | a | 177.93 | a | 537.16 | b | 892.78 | c | 1155.61 | d | 7107.53 | ||||||
1919 | 1157.50 | 1009.00 | 882.00 | 528.89 | c | 312.00 | g | 274.62 | d | 23.50 | n | 72.50 | 324.50 | 811.17 | a | 771.50 | g | 1390.00 | 6450.17 | |||||||
1920 | 1248.04 | d | 1006.00 | 879.50 | 692.88 | d | 403.50 | 197.00 | 3.21 | b | 109.02 | a | 162.50 | j | 625.50 | 884.50 | 1058.59 | d | 7107.74 | |||||||
1921 | 1167.00 | 436.00 | o | 797.50 | 613.50 | 293.50 | 79.50 | 31.00 | q | 84.00 | 439.00 | 616.00 | 416.50 | o | 0.00 | z | 4090.00 | |||||||||
1922 | 585.00 | s | 490.50 | q | 1050.50 | 703.00 | 403.50 | 69.00 | 20.00 | 40.50 | 206.00 | 517.50 | 981.00 | 1442.50 | 5433.50 | |||||||||||
1923 | 1104.00 | 1252.50 | 911.00 | 571.50 | 369.00 | 181.00 | 19.08 | e | 59.00 | 211.00 | 544.50 | 882.50 | 1113.50 | 7218.58 | ||||||||||||
1924 | 1395.50 | 795.50 | 849.00 | 614.50 | 226.00 | 137.50 | 70.00 | 88.50 | 245.50 | 594.50 | 932.00 | 1337.00 | 7285.50 | |||||||||||||
1925 | 1164.00 | 783.00 | 776.50 | 462.00 | 251.00 | 146.50 | 11.00 | 95.00 | 235.50 | 699.50 | 910.00 | 928.00 | 6462.00 | |||||||||||||
1926 | 1127.50 | 819.50 | 714.00 | 428.50 | 348.00 | 162.00 | 21.50 | 70.50 | 415.50 | 538.50 | 810.00 | 1159.00 | 6614.50 | |||||||||||||
1927 | 1223.50 | 919.50 | 832.50 | 612.00 | 444.00 | 115.00 | 52.00 | 61.50 | 295.00 | 552.00 | 859.50 | 1430.00 | 7396.50 | |||||||||||||
1928 | 1179.50 | 1072.00 | 765.50 | 633.50 | 252.00 | 180.50 | 40.00 | 96.50 | 257.50 | 568.00 | 906.50 | 1197.00 | 7148.50 | |||||||||||||
1929 | 1576.50 | 1315.50 | 804.50 | 671.50 | 355.00 | 193.50 | 72.50 | 53.50 | 335.50 | 572.50 | 1051.50 | 1023.00 | 8025.00 | |||||||||||||
1930 | 1555.00 | 852.00 | 771.00 | 435.50 | 382.00 | 228.00 | 55.50 | 42.50 | 219.00 | 649.00 | 950.50 | 1195.00 | 7335.00 | |||||||||||||
1931 | 1051.00 | 976.50 | 788.00 | 545.50 | 269.91 | b | 176.00 | 43.50 | 57.50 | 282.50 | 621.50 | 1015.00 | 1213.00 | 7039.91 | ||||||||||||
1932 | 1304.00 | 1155.50 | 926.50 | 534.00 | 370.00 | 133.50 | 101.50 | 98.50 | 263.50 | 619.50 | 797.00 | 1280.00 | 7583.50 | |||||||||||||
1933 | 1189.00 | 1296.00 | 889.00 | 579.50 | 458.50 | 169.50 | 42.50 | 56.00 | 349.50 | 538.37 | a | 844.00 | 941.00 | 7352.87 | ||||||||||||
1934 | 952.00 | 779.50 | 652.50 | 330.50 | 271.50 | 124.00 | 67.00 | 33.00 | 348.00 | 524.00 | 703.50 | 1103.00 | 5888.50 | |||||||||||||
1935 | 1190.00 | 949.00 | 900.50 | 661.50 | 391.50 | 182.00 | 90.00 | 87.32 | a | 163.00 | 631.00 | 1028.50 | 1107.00 | 7381.32 | ||||||||||||
1936 | 1138.50 | 1476.50 | 870.00 | 467.00 | 220.50 | 137.50 | 67.50 | 131.50 | 323.50 | 566.86 | c | 1084.00 | 1094.00 | 7577.36 | ||||||||||||
1937 | 1942.50 | 1165.50 | 873.50 | 653.00 | 370.45 | a | 189.00 | 47.00 | 221.50 | 258.00 | 535.00 | 850.00 | 1073.00 | 8178.45 | ||||||||||||
1938 | 1160.00 | 985.00 | 911.00 | 614.00 | 435.03 | a | 172.50 | 63.00 | 155.50 | 141.50 | 546.50 | 1004.50 | 1134.50 | 7323.03 | ||||||||||||
1939 | 1116.50 | 1183.00 | 885.00 | 532.50 | 353.00 | 307.00 | 99.50 | 60.00 | 274.50 | 641.00 | 853.00 | 962.50 | 7267.50 | |||||||||||||
1940 | 1171.00 | 944.50 | 772.00 | 538.50 | 291.00 | 143.50 | 54.50 | 88.50 | 184.50 | 514.50 | 1060.00 | 1105.50 | 6868.00 | |||||||||||||
1941 | 1152.88 | b | 869.50 | 714.00 | 506.90 | a | 395.00 | 191.50 | 28.50 | 117.50 | 401.50 | 665.00 | 820.00 | 1050.79 | b | 6913.07 | ||||||||||
1942 | 1356.00 | 993.00 | 860.00 | 557.50 | 450.00 | 267.00 | 61.00 | 83.00 | 246.00 | 585.90 | a | 1002.00 | 1143.00 | 7604.40 | ||||||||||||
1943 | 1409.50 | 992.00 | 1102.50 | 541.00 | 513.00 | 147.50 | g | 62.00 | 65.50 | 163.50 | 495.50 | 283.50 | t | 1141.66 | b | 6486.16 | ||||||||||
1944 | 602.00 | o | 1029.50 | 887.08 | e | 542.68 | b | 282.00 | 154.50 | 42.22 | b | 76.47 | a | 43.50 | y | 239.00 | k | 916.07 | b | 952.50 | f | 3930.52 | ||||
1945 | 1137.24 | d | 893.67 | d | 889.18 | a | 686.79 | b | 327.80 | d | 192.93 | a | 24.80 | a | 34.50 | h | 355.00 | c | 518.39 | d | 951.11 | c | 1158.88 | a | 7135.79 | |
1946 | 1244.02 | d | 980.52 | a | 793.27 | c | 376.00 | i | 267.50 | 197.88 | d | 53.45 | b | 41.50 | i | 286.67 | c | 519.50 | h | 747.50 | g | 764.50 | j | 3823.30 | ||
1947 | 1356.77 | a | 875.28 | c | 770.23 | e | 565.20 | e | 241.11 | d | 197.78 | c | 42.76 | b | 86.91 | c | 271.11 | c | 520.59 | b | 950.17 | a | 1106.24 | d | 6984.15 | |
1948 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 75.50 | j | 59.50 | g | 285.52 | a | 649.21 | e | 925.56 | c | 1386.98 | b | 3247.27 | |
1949 | 1843.98 | a | 1179.23 | b | 902.21 | b | 494.46 | b | 242.12 | b | 170.19 | d | 31.50 | i | 36.00 | m | 189.64 | b | 710.42 | a | 750.54 | b | 1154.23 | a | 7637.03 | |
1950 | 1802.50 | 1050.56 | c | 977.61 | c | 678.33 | c | 341.00 | f | 170.50 | f | 50.78 | b | 26.00 | h | 222.00 | e | 455.00 | g | 588.50 | j | 754.50 | i | 4781.78 | ||
1951 | 1019.50 | f | 685.00 | i | 814.50 | g | 468.50 | f | 261.00 | h | 132.50 | k | 33.00 | i | 56.00 | m | 209.00 | j | 461.50 | i | 578.50 | k | 1079.50 | h | 0.00 | |
1952 | 1330.79 | c | 1085.27 | c | 963.14 | b | 495.60 | e | 268.50 | g | 210.00 | b | 32.50 | j | 84.00 | j | 220.20 | e | 504.55 | b | 1024.44 | c | 907.00 | f | 5833.99 | |
1953 | 879.22 | b | 877.33 | d | 805.00 | 422.50 | h | 399.12 | c | 231.50 | f | 53.00 | g | 83.50 | f | 221.79 | b | 520.69 | d | 650.50 | f | 743.00 | h | 3703.15 | ||
1954 | 842.50 | k | 671.00 | g | 932.38 | e | 533.00 | f | 362.46 | e | 304.20 | e | 66.02 | d | 88.50 | h | 211.50 | i | 544.00 | g | 593.50 | g | 1156.30 | a | 2821.36 | |
1955 | 1211.58 | a | 1131.00 | 1150.62 | a | 770.00 | c | 486.04 | c | 178.89 | c | 88.50 | f | 91.85 | d | 312.22 | c | 604.50 | b | 1147.50 | b | 1299.79 | c | 8383.98 | ||
1956 | 1181.10 | a | 1332.93 | b | 1022.48 | a | 525.50 | 321.76 | b | 230.00 | c | 72.13 | e | 0.00 | z | 0.00 | z | 391.50 | n | 1032.69 | d | 1103.82 | c | 6822.42 | ||
1957 | 1639.79 | b | 1090.44 | a | 862.83 | a | 559.14 | a | 237.27 | e | 179.42 | d | 94.07 | b | 140.61 | c | 222.00 | e | 249.50 | s | 689.00 | i | 766.00 | g | 5025.58 | |
1958 | 1078.05 | b | 727.39 | e | 856.52 | d | 504.00 | f | 187.15 | d | 97.50 | b | 29.93 | b | 30.50 | f | 340.71 | b | 621.72 | d | 1009.62 | d | 900.00 | f | 4948.59 | |
1959 | 1180.00 | 1039.77 | b | 885.64 | b | 579.83 | a | 473.94 | e | 101.50 | j | 90.62 | e | 150.23 | e | 367.80 | e | 658.15 | e | 1050.00 | a | 1116.00 | c | 7591.98 | ||
1960 | 1368.13 | a | 987.00 | 885.64 | b | 591.00 | 441.00 | 111.50 | h | 15.50 | 151.12 | c | 223.33 | c | 554.26 | b | 902.14 | b | 816.50 | i | 6119.13 | |||||
1961 | 1099.50 | 800.07 | a | 786.88 | a | 617.50 | 360.38 | c | 47.50 | j | 11.48 | d | 8.86 | c | 350.89 | b | 664.90 | b | 1015.50 | 1223.00 | 6938.96 | |||||
1962 | 1337.00 | 936.44 | a | 926.26 | b | 530.56 | c | 468.44 | d | 223.45 | a | 106.90 | b | 71.50 | h | 221.40 | e | 379.50 | j | 792.60 | e | 983.96 | d | 6527.01 | ||
1963 | 1393.97 | a | 799.56 | a | 761.05 | a | 609.00 | e | 365.05 | b | 195.00 | d | 53.00 | j | 42.50 | h | 64.50 | i | 378.50 | i | 812.31 | d | 1175.02 | e | 6110.95 | |
1964 | 1144.13 | d | 1124.02 | b | 1050.00 | 654.23 | d | 339.00 | g | 130.50 | i | 10.00 | n | 88.00 | l | 351.60 | e | 556.97 | a | 939.64 | b | 1267.50 | 7088.09 | |||
1965 | 1133.05 | a | 967.22 | e | 992.53 | b | 437.50 | g | 366.00 | f | 171.60 | e | 50.08 | e | 64.00 | h | 260.00 | i | 500.77 | e | 833.08 | d | 1107.45 | b | 5755.77 | |
1966 | 1181.74 | b | 928.48 | c | 565.00 | k | 640.80 | e | 326.69 | e | 247.24 | a | 39.50 | i | 45.50 | h | 94.00 | g | 485.00 | g | 851.67 | c | 792.50 | f | 4176.62 | |
1967 | 1001.09 | b | 645.50 | f | 703.50 | f | 560.00 | f | 293.50 | i | 25.00 | r | 33.38 | e | 17.50 | 111.50 | 589.00 | b | 895.86 | a | 1183.00 | 3831.33 | ||||
1968 | 1186.50 | 835.82 | a | 738.32 | a | 653.79 | a | 386.00 | 171.43 | b | 58.00 | 117.00 | 248.50 | 683.72 | d | 906.50 | 1252.00 | 7237.58 | ||||||||
1969 | 1472.00 | 1050.00 | c | 928.97 | a | 534.00 | 268.84 | b | 98.28 | a | 71.50 | 93.55 | c | 228.21 | b | 689.00 | 899.00 | 1110.83 | a | 7444.19 | ||||||
1970 | 1216.75 | a | 885.11 | a | 887.63 | a | 706.55 | a | 329.50 | 114.11 | b | 29.50 | 41.33 | a | 383.89 | c | 496.50 | f | 920.89 | b | 1232.25 | a | 6747.52 | |||
1971 | 1131.00 | 910.52 | a | 778.50 | f | 607.76 | a | 294.00 | 203.79 | a | 92.00 | 23.50 | 349.00 | 687.34 | b | 901.00 | 1252.00 | 6451.92 | ||||||||
1972 | 1346.50 | 999.00 | 749.34 | b | 682.78 | c | 323.90 | b | 137.50 | i | 64.00 | g | 13.50 | l | 332.50 | g | 602.00 | 825.50 | 1232.00 | 6761.02 | ||||||
1973 | 1220.50 | 889.50 | 767.25 | a | 574.50 | 296.50 | 161.50 | 33.50 | 62.00 | 192.00 | 572.00 | 952.50 | 1017.00 | 6738.75 | ||||||||||||
1974 | 1267.50 | 844.50 | 809.62 | a | 526.50 | 425.50 | 97.50 | 49.50 | h | 45.50 | i | 232.50 | b | 602.50 | 856.50 | 744.00 | i | 5662.62 | ||||||||
1975 | 1380.57 | b | 1165.00 | 762.50 | j | 774.81 | d | 464.00 | 190.20 | e | 32.50 | 88.00 | g | 162.00 | p | 670.24 | b | 765.50 | i | 1088.00 | 5765.32 | |||||
1976 | 1155.27 | a | 1053.84 | a | 1017.32 | a | 582.60 | e | 340.00 | 185.50 | n | 28.50 | p | 76.31 | e | 45.50 | o | 501.50 | i | 317.00 | r | 835.00 | i | 4225.33 | ||
1977 | 543.50 | q | 726.00 | f | 324.50 | t | 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 | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1269.59 | 1008.75 | 873.62 | 584.84 | 356.65 | 183.13 | 57.76 | 87.07 | 279.95 | 601.09 | 917.37 | 1167.29 | 7312.82 | |||||||||||||
S.D. | 205.05 | 158.30 | 110.82 | 84.64 | 82.17 | 55.36 | 31.02 | 43.81 | 78.23 | 71.42 | 97.14 | 125.80 | 552.12 | |||||||||||||
SKEW | 1.24 | 0.68 | 0.71 | -0.17 | 0.06 | 0.30 | 0.57 | 0.61 | 0.09 | 0.68 | 0.08 | 0.48 | 0.12 | |||||||||||||
MAX | 1942.50 | 1476.50 | 1188.33 | 774.81 | 545.50 | 307.00 | 145.00 | 221.50 | 439.00 | 811.17 | 1147.50 | 1468.00 | 8810.93 | |||||||||||||
MIN | 879.22 | 727.39 | 652.50 | 330.50 | 187.15 | 69.00 | 3.21 | 8.86 | 111.50 | 495.50 | 703.50 | 928.00 | 5888.50 | |||||||||||||
NO YRS | 60 | 59 | 59 | 57 | 56 | 54 | 51 | 47 | 55 | 54 | 55 | 53 | 29 |