YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1918 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 8.08 | d | 44.00 | 236.50 | 390.00 | 678.58 | ||||
1919 | 365.50 | 356.00 | 382.00 | 235.50 | 147.00 | 44.00 | 4.00 | 1.50 | 27.00 | 188.50 | 284.50 | 360.50 | 2396.00 | |||||||||||||
1920 | 400.00 | 296.00 | 352.00 | 287.00 | 175.00 | 80.00 | 31.50 | 5.50 | 42.00 | 200.50 | 271.50 | 401.00 | 2542.00 | |||||||||||||
1921 | 420.50 | 338.00 | 277.00 | 305.50 | 239.00 | 84.00 | 1.00 | 0.00 | 31.50 | 74.50 | 222.50 | 230.50 | 2224.00 | |||||||||||||
1922 | 444.00 | 348.00 | 371.00 | 315.00 | 183.50 | 85.00 | 2.50 | 1.00 | 6.50 | 117.50 | 326.50 | 293.50 | 2494.00 | |||||||||||||
1923 | 377.00 | 360.50 | 324.50 | 236.00 | 118.50 | 112.50 | 18.00 | 1.00 | 32.50 | 124.50 | 141.50 | 311.50 | 2158.00 | |||||||||||||
1924 | 423.50 | 276.00 | 319.50 | 237.50 | 119.50 | 51.50 | 9.50 | 6.50 | 49.50 | 228.50 | 248.50 | 414.00 | 2384.00 | |||||||||||||
1925 | 443.50 | 328.00 | 318.50 | 245.50 | 134.00 | 71.50 | 0.00 | 0.00 | 56.50 | 100.00 | 206.50 | 249.50 | 2153.50 | |||||||||||||
1926 | 357.50 | 225.50 | 152.00 | 70.00 | 69.00 | 5.50 | 2.00 | 0.50 | 51.00 | 125.50 | 126.00 | 377.00 | 1561.50 | |||||||||||||
1927 | 397.50 | 284.00 | 318.50 | 253.50 | 169.50 | 97.00 | 10.00 | 1.50 | 33.50 | 135.33 | e | 168.00 | 359.00 | 2227.33 | ||||||||||||
1928 | 352.50 | 325.21 | a | 266.00 | 274.50 | 96.00 | 57.93 | a | 25.50 | 10.50 | 47.50 | 144.00 | 247.50 | 368.00 | 2215.15 | |||||||||||
1929 | 436.00 | 410.00 | 369.50 | 285.00 | 148.50 | 67.50 | 3.00 | 1.00 | 17.50 | 65.50 | 238.00 | 272.50 | 2314.00 | |||||||||||||
1930 | 356.00 | 283.00 | 239.50 | 152.00 | 184.50 | 48.62 | a | 3.50 | 0.00 | 24.50 | 104.50 | 171.00 | 369.00 | 1936.12 | ||||||||||||
1931 | 341.50 | 229.50 | 223.50 | 107.00 | 14.50 | 16.50 | 0.00 | 0.00 | 9.50 | 78.50 | 293.50 | 434.50 | 1748.50 | |||||||||||||
1932 | 465.00 | 336.50 | 297.00 | 221.50 | 147.00 | 77.00 | 21.50 | 19.00 | 26.00 | 127.00 | 151.50 | 428.50 | 2317.50 | |||||||||||||
1933 | 468.00 | 432.00 | 341.50 | 271.00 | 273.50 | 123.00 | 29.50 | 12.50 | 99.00 | 135.00 | 224.50 | 414.00 | 2823.50 | |||||||||||||
1934 | 400.50 | 252.00 | 180.32 | a | 140.00 | 73.00 | 54.00 | 1.00 | 0.00 | 23.50 | 81.00 | 191.50 | 255.50 | 1652.32 | ||||||||||||
1935 | 346.00 | 285.50 | 390.50 | 216.00 | 149.00 | 80.50 | 17.50 | 2.00 | 10.00 | 130.50 | 336.50 | 349.50 | 2313.50 | |||||||||||||
1936 | 375.50 | 308.50 | 306.00 | 256.00 | 111.00 | 49.50 | 1.50 | 1.00 | 15.50 | 82.50 | 188.50 | 317.00 | 2012.50 | |||||||||||||
1937 | 561.00 | 385.00 | 321.00 | 242.50 | 121.50 | 62.00 | 0.50 | 0.50 | 6.00 | 103.50 | 243.00 | 262.00 | 2308.50 | |||||||||||||
1938 | 317.50 | 285.00 | 302.00 | 213.00 | 147.00 | 78.00 | 19.00 | 0.00 | 2.50 | 155.50 | 310.50 | 272.50 | 2102.50 | |||||||||||||
1939 | 402.00 | 463.00 | 379.00 | 179.50 | 142.50 | 64.00 | 7.00 | 1.00 | 8.50 | 60.00 | 151.00 | 249.00 | 2106.50 | |||||||||||||
1940 | 282.50 | 272.00 | 237.50 | 163.50 | 71.00 | 42.00 | 17.00 | 4.50 | 18.00 | 57.50 | 217.00 | 199.00 | 1581.50 | |||||||||||||
1941 | 330.00 | 221.50 | 193.00 | 195.50 | 46.50 | 59.00 | 11.00 | 3.50 | 47.00 | 81.00 | 186.50 | 333.00 | 1707.50 | |||||||||||||
1942 | 341.50 | 382.00 | 346.00 | 222.50 | 161.50 | 79.50 | 1.50 | 2.50 | 26.50 | 86.50 | 260.17 | a | 370.00 | 2280.17 | ||||||||||||
1943 | 374.00 | 268.00 | 249.50 | 210.00 | 105.50 | 88.50 | 13.00 | 0.00 | 12.00 | 76.50 | 224.00 | 284.00 | 1905.00 | |||||||||||||
1944 | 386.50 | 378.00 | 325.50 | 258.00 | 138.50 | 85.00 | 24.50 | 9.50 | 32.50 | 95.50 | 222.50 | 307.00 | 2263.00 | |||||||||||||
1945 | 412.50 | 313.50 | 366.50 | 284.00 | 160.50 | 53.00 | 3.50 | 0.00 | 12.50 | 46.00 | 254.00 | 325.50 | 2231.50 | |||||||||||||
1946 | 395.00 | 413.00 | 335.50 | 172.00 | 111.50 | 105.50 | 2.00 | 0.00 | 2.50 | 136.00 | 284.00 | 344.50 | 2301.50 | |||||||||||||
1947 | 468.00 | 289.00 | 241.00 | 163.00 | 105.00 | 20.50 | 7.00 | 8.00 | 1.50 | 73.50 | 281.00 | 351.50 | 2009.00 | |||||||||||||
1948 | 411.50 | 413.50 | 379.50 | 226.00 | 182.00 | 82.00 | 50.00 | 15.50 | 33.50 | 109.50 | 285.50 | 455.00 | 2643.50 | |||||||||||||
1949 | 586.00 | 425.50 | 372.00 | 198.00 | 146.00 | 39.50 | 6.50 | 11.00 | 21.00 | 130.00 | 151.00 | 417.50 | 2504.00 | |||||||||||||
1950 | 516.00 | 363.00 | 297.50 | 213.50 | 213.00 | 102.00 | 3.00 | 18.00 | 15.00 | l | 84.50 | 213.50 | 307.50 | 2331.50 | ||||||||||||
1951 | 414.50 | 360.50 | 218.50 | j | 210.50 | 175.50 | 60.00 | 6.50 | 10.50 | 12.41 | a | 70.50 | 193.50 | 391.50 | 1905.91 | |||||||||||
1952 | 439.00 | 308.50 | 345.50 | 241.50 | 126.00 | 118.00 | 43.50 | 0.00 | 17.50 | 97.50 | 283.00 | 381.00 | 2401.00 | |||||||||||||
1953 | 311.00 | 371.00 | 362.00 | 273.50 | 209.00 | 120.50 | 5.00 | 3.50 | 43.00 | 77.50 | 178.50 | 379.00 | 2333.50 | |||||||||||||
1954 | 437.50 | 220.50 | 343.50 | 200.50 | 130.00 | 68.50 | 2.50 | 1.50 | 23.50 | 147.00 | 172.00 | 340.00 | 2087.00 | |||||||||||||
1955 | 464.50 | 347.50 | 298.00 | 281.50 | 175.00 | 78.50 | f | 12.50 | i | 0.00 | h | 15.50 | f | 105.00 | i | 195.00 | h | 259.00 | g | 1566.50 | ||||||
1956 | 323.50 | f | 317.00 | h | 259.00 | j | 207.50 | g | 84.00 | i | 44.50 | h | 3.00 | i | 0.50 | i | 3.00 | i | 74.00 | h | 131.50 | k | 168.00 | m | 0.00 | |
1957 | 366.63 | e | 175.50 | g | 272.44 | e | 169.50 | g | 116.50 | f | 20.50 | h | 0.50 | i | 2.00 | h | 2.50 | j | 56.50 | h | 162.50 | j | 172.00 | h | 639.08 | |
1958 | 234.00 | g | 161.50 | h | 243.50 | g | 123.50 | g | 60.00 | h | 16.50 | i | 1.50 | h | 0.00 | j | 0.50 | h | 15.50 | h | 148.00 | j | 193.50 | h | 0.00 | |
1959 | 215.50 | h | 313.60 | c | 136.50 | h | 67.00 | h | 76.50 | i | 17.50 | h | 0.00 | i | 0.50 | i | 0.00 | j | 33.00 | h | 86.50 | k | 204.50 | g | 313.60 | |
1960 | 294.50 | i | 260.00 | h | 217.50 | h | 163.00 | g | 88.50 | i | 21.50 | h | 9.00 | l | 0.00 | h | 5.50 | i | 72.50 | i | 188.50 | g | 292.00 | h | 0.00 | |
1961 | 198.50 | h | 176.00 | i | 206.00 | g | 149.00 | i | 111.00 | j | 62.50 | h | 1.00 | j | 0.00 | i | 11.50 | l | 88.00 | i | 143.00 | j | 287.00 | f | 0.00 | |
1962 | 293.00 | f | 295.83 | e | 302.50 | g | 154.00 | i | 147.00 | g | 63.50 | j | 11.00 | i | 1.50 | h | 10.50 | k | 88.00 | h | 136.50 | l | 245.50 | i | 295.83 | |
1963 | 287.50 | h | 139.50 | f | 251.50 | f | 278.65 | d | 83.50 | g | 61.50 | f | 14.00 | h | 0.00 | j | 0.00 | g | 27.50 | i | 146.50 | f | 209.00 | i | 278.65 | |
1964 | 315.50 | f | 338.14 | d | 270.50 | f | 231.00 | e | 176.00 | g | 114.60 | e | 22.00 | f | 0.50 | j | 15.50 | f | 24.50 | g | 256.80 | e | 343.00 | 1283.54 | ||
1965 | 288.00 | f | 347.67 | d | 302.85 | e | 219.44 | c | 114.00 | i | 94.00 | h | 26.00 | i | 0.00 | h | 28.20 | e | 33.00 | g | 102.50 | g | 240.50 | g | 898.16 | |
1966 | 292.00 | i | 261.50 | g | 242.50 | g | 126.00 | h | 68.50 | i | 29.00 | g | 0.50 | i | 0.00 | b | 13.50 | 46.00 | 185.00 | 310.53 | b | 555.03 | ||||
1967 | 378.00 | 286.00 | 239.50 | 334.50 | 158.10 | a | 124.50 | 4.81 | b | 0.00 | 0.00 | 39.00 | 89.50 | 375.00 | 2028.91 | |||||||||||
1968 | 344.00 | 228.50 | 258.85 | a | 204.50 | 156.55 | a | 82.50 | d | 15.50 | a | 4.00 | 5.50 | 87.50 | 197.00 | 430.38 | a | 2014.78 | ||||||||
1969 | 276.42 | a | 338.00 | 351.50 | 194.50 | 139.50 | 56.38 | a | 5.00 | 0.00 | 3.00 | 127.50 | 150.52 | a | 329.50 | 1971.81 | ||||||||||
1970 | 359.50 | 236.50 | 248.50 | 237.00 | 136.00 | 58.50 | 6.50 | 0.00 | b | 31.50 | 91.50 | 202.76 | a | 365.00 | 1973.26 | |||||||||||
1971 | 386.50 | 320.96 | a | 343.50 | 251.00 | 210.00 | 122.50 | 8.50 | 0.00 | 11.50 | 153.00 | 285.50 | 437.00 | 2529.96 | ||||||||||||
1972 | 470.50 | 323.00 | 249.00 | 208.50 | 112.50 | 21.00 | 2.58 | a | 0.50 | 7.00 | 64.50 | 235.50 | 328.50 | 2023.08 | ||||||||||||
1973 | 406.50 | 255.00 | 332.50 | 0.00 | z | 160.00 | 45.50 | 7.50 | 0.50 | 22.00 | 109.50 | 248.00 | 329.00 | 1916.00 | ||||||||||||
1974 | 367.00 | 337.00 | 307.50 | 233.00 | 153.50 | 56.00 | 14.00 | 1.50 | 8.00 | 58.50 | 202.00 | 382.50 | 2120.50 | |||||||||||||
1975 | 391.50 | 361.00 | 359.50 | 308.50 | 205.50 | 112.50 | 17.00 | 13.50 | 1.50 | 104.50 | 248.50 | 381.50 | 2505.00 | |||||||||||||
1976 | 324.50 | 260.00 | 286.50 | 246.50 | 117.50 | 44.00 | 1.00 | 2.50 | 0.00 | 25.50 | 125.00 | 268.50 | 1701.50 | |||||||||||||
1977 | 280.00 | 214.50 | 337.50 | 197.59 | a | 173.50 | 47.00 | 10.00 | 0.00 | 8.50 | 31.50 | 146.50 | 171.50 | 1618.09 | ||||||||||||
1978 | 239.00 | 232.50 | 157.00 | 174.00 | 90.00 | 17.00 | 8.00 | 6.00 | 7.50 | 17.00 | 224.00 | 421.00 | 1593.00 | |||||||||||||
1979 | 356.50 | 341.50 | 267.50 | 193.50 | 96.50 | 35.50 | 10.50 | 0.00 | 0.00 | 51.00 | 209.50 | 249.50 | 1811.50 | |||||||||||||
1980 | 220.50 | 174.52 | a | 249.00 | 161.00 | 153.45 | a | 84.00 | 3.00 | 0.00 | 4.50 | 51.50 | 189.00 | 273.83 | a | 1564.30 | ||||||||||
1981 | 256.00 | 187.00 | 250.50 | 140.50 | 65.50 | 1.50 | 0.00 | 0.00 | 0.00 | 86.50 | 167.00 | 274.50 | 1429.00 | |||||||||||||
1982 | 328.00 | 183.00 | 210.50 | 149.00 | 61.48 | a | 37.50 | 3.00 | 0.00 | 4.50 | 22.00 | 161.50 | 317.50 | 1477.98 | ||||||||||||
1983 | 212.50 | 198.00 | 166.00 | 168.50 | 73.00 | 18.50 | 0.00 | 0.00 | 0.00 | 4.00 | 124.50 | 214.50 | 1179.50 | |||||||||||||
1984 | 202.50 | 236.00 | 163.50 | 133.00 | 45.00 | 16.00 | 0.00 | 0.00 | 0.00 | 36.00 | 195.00 | 323.00 | 1350.00 | |||||||||||||
1985 | 321.00 | 287.00 | 304.50 | 124.50 | 53.00 | 11.38 | a | 0.00 | 0.00 | 0.00 | 16.50 | 193.00 | 236.00 | 1546.88 | ||||||||||||
1986 | 132.00 | 182.50 | 131.50 | 114.00 | 48.10 | b | 1.00 | 0.00 | d | 0.00 | 15.50 | 13.20 | d | 84.00 | 233.50 | 955.31 | ||||||||||
1987 | 311.50 | 214.00 | 209.50 | 88.00 | 31.00 | 6.00 | 1.50 | 0.00 | 0.00 | 1.00 | 109.00 | 368.00 | 1339.50 | |||||||||||||
1988 | 269.50 | 156.00 | 146.50 | 104.50 | 58.50 | 34.00 | 0.00 | 0.00 | 3.50 | 7.00 | 153.50 | 266.00 | 1199.00 | |||||||||||||
1989 | 312.50 | 247.50 | 182.00 | 55.50 | 55.00 | 22.00 | 0.00 | 0.00 | 0.00 | 18.50 | 0.00 | z | 182.50 | 1075.50 | ||||||||||||
1990 | 262.50 | 276.50 | 123.50 | k | 65.50 | 50.50 | 4.50 | 0.00 | 0.00 | 0.00 | 5.50 | 106.00 | 279.50 | 1050.50 | ||||||||||||
1991 | 252.50 | 163.50 | 258.50 | 123.00 | 119.00 | 34.00 | 0.50 | 0.00 | 1.00 | 30.00 | 0.00 | z | 244.00 | 1226.00 | ||||||||||||
1992 | 211.00 | 132.50 | 162.50 | 20.00 | 0.00 | 2.00 | 1.00 | 0.00 | 0.00 | 3.00 | 104.50 | 0.00 | z | 636.50 | ||||||||||||
1993 | 239.00 | 189.00 | 103.00 | 57.50 | 11.50 | 8.50 | 0.00 | 0.00 | 0.50 | 7.50 | 98.00 | 240.00 | 954.50 | |||||||||||||
1994 | 203.50 | 257.00 | 137.00 | 126.00 | 101.50 | 5.50 | 0.00 | 0.00 | 0.50 | 23.50 | 244.50 | 300.50 | 1399.50 | |||||||||||||
1995 | 244.50 | 98.50 | 119.00 | 110.00 | 102.00 | 20.50 | 0.00 | 0.00 | 0.00 | 12.00 | 79.50 | 235.50 | 1021.50 | |||||||||||||
1996 | 214.00 | 152.00 | 164.00 | 67.00 | 10.50 | 0.00 | 0.00 | 0.00 | 0.00 | d | 51.50 | 118.50 | 216.50 | 994.00 | ||||||||||||
1997 | 214.00 | 197.50 | 96.50 | 85.50 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 7.50 | 76.50 | 235.50 | 914.00 | |||||||||||||
1998 | 0.00 | z | 217.50 | 173.00 | 184.00 | 0.00 | z | 0.00 | z | 0.00 | 0.00 | 0.00 | 31.00 | a | 154.00 | 303.50 | 1063.00 | |||||||||
1999 | 270.00 | 257.00 | 302.00 | 216.67 | c | 125.50 | 58.89 | c | 1.00 | 0.52 | a | 61.50 | t | 2.50 | j | 95.00 | h | 204.00 | f | 1231.57 | ||||||
2000 | 229.73 | c | 120.00 | i | 218.79 | e | 88.97 | a | 27.68 | c | 5.00 | c | 0.00 | c | 0.00 | b | 0.00 | a | 36.54 | c | 165.00 | h | 235.37 | d | 842.07 | |
2001 | 340.00 | 272.46 | b | 189.50 | 190.18 | b | 51.84 | b | 6.00 | 0.00 | a | 0.00 | b | 0.00 | b | 7.48 | b | 162.78 | c | 306.42 | e | 1526.67 | ||||
2002 | 315.17 | d | 142.00 | n | 137.00 | p | 208.00 | 164.00 | 26.00 | 2.50 | 0.00 | 0.50 | j | 41.00 | 84.50 | 279.50 | 1120.67 | |||||||||
2003 | 116.00 | 208.00 | 254.56 | e | 147.50 | i | 73.50 | j | 8.00 | o | 0.00 | q | 0.00 | t | 0.00 | z | 5.00 | f | 155.40 | e | 0.00 | z | 733.96 | |||
2004 | 203.50 | j | 190.00 | i | 83.50 | p | 3.50 | y | 17.88 | e | 4.00 | f | 0.00 | k | 0.00 | m | 0.00 | o | 25.50 | m | 215.50 | 129.50 | p | 233.38 | ||
2005 | 171.00 | i | 178.50 | 107.50 | k | 98.00 | j | 32.50 | i | 5.00 | g | 0.00 | g | 0.00 | j | 0.00 | m | 0.00 | z | 52.00 | m | 103.50 | q | 178.50 | ||
2006 | 180.00 | m | 211.22 | e | 0.00 | z | 100.50 | i | 26.50 | n | 0.50 | n | 0.00 | k | 0.00 | o | 0.00 | q | 17.50 | k | 50.50 | k | 145.50 | n | 211.22 | |
2007 | 232.00 | i | 184.00 | g | 118.00 | j | 139.00 | f | 40.50 | l | 10.00 | l | 0.00 | k | 0.00 | m | 2.00 | q | 10.00 | p | 38.50 | p | 135.50 | p | 0.00 | |
2008 | 216.00 | j | 171.50 | h | 107.50 | l | 88.50 | i | 65.00 | k | 7.50 | m | 0.00 | z | 0.00 | z | 0.00 | m | 5.00 | l | 26.00 | m | 138.50 | n | 0.00 | |
2009 | 130.50 | f | 215.00 | 206.00 | 108.00 | g | 34.50 | 1.00 | 0.50 | 0.00 | 0.00 | 49.00 | 148.50 | 300.00 | 954.50 | |||||||||||
2010 | 248.00 | 214.50 | 181.00 | 183.00 | 126.00 | 53.00 | 16.00 | 5.50 | 14.50 | 44.00 | 193.00 | 238.50 | 1517.00 | |||||||||||||
2011 | 214.00 | 272.00 | 226.00 | 109.50 | 85.77 | a | 44.50 | 0.00 | 0.50 | 1.00 | 39.50 | 180.54 | b | 349.50 | 1522.80 | |||||||||||
2012 | 253.00 | 229.50 | 212.00 | 127.00 | 27.00 | 19.00 | 0.00 | 0.00 | 0.00 | 12.50 | 116.50 | 250.50 | 1247.00 | |||||||||||||
2013 | 298.50 | 283.50 | 190.00 | 2.50 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 17.50 | z | 772.00 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 341.77 | 280.42 | 264.67 | 191.92 | 114.65 | 52.52 | 7.16 | 2.44 | 14.80 | 73.24 | 194.88 | 316.77 | 1894.83 | |||||||||||||
S.D. | 93.22 | 76.36 | 77.98 | 70.50 | 60.41 | 36.45 | 10.09 | 4.49 | 18.08 | 51.19 | 62.88 | 68.02 | 478.37 | |||||||||||||
SKEW | 0.01 | 0.09 | -0.28 | -0.32 | 0.00 | 0.29 | 2.13 | 2.14 | 1.87 | 0.64 | 0.06 | 0.02 | -0.35 | |||||||||||||
MAX | 586.00 | 463.00 | 390.50 | 334.50 | 273.50 | 124.50 | 50.00 | 19.00 | 99.00 | 228.50 | 336.50 | 455.00 | 2823.50 | |||||||||||||
MIN | 116.00 | 98.50 | 96.50 | 20.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 76.50 | 171.50 | 914.00 | |||||||||||||
NO YRS | 78 | 83 | 78 | 78 | 77 | 76 | 76 | 77 | 76 | 77 | 77 | 77 | 64 |