| YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1949 | 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 | r | 6.00 | 0.00 | a | 6.00 | ||
| 1950 | 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 | |
| 1951 | 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 | |
| 1952 | 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 | |
| 1953 | 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 | |
| 1954 | 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 | |
| 1955 | 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 | |
| 1956 | 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 | |
| 1957 | 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 | |
| 1958 | 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 | |
| 1959 | 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 | |
| 1960 | 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 | |
| 1961 | 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 | |
| 1962 | 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 | |
| 1963 | 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 | |
| 1964 | 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 | |
| 1965 | 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 | |
| 1966 | 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 | |
| 1967 | 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 | |
| 1968 | 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 | |
| 1969 | 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 | |
| 1970 | 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 | |
| 1971 | 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 | |
| 1972 | 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 | |
| 1973 | 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 | |
| 1974 | 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 | |
| 1975 | 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 | |
| 1976 | 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 | |
| 1977 | 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 | |
| 1978 | 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 | |
| 1979 | 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 | |
| 1980 | 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 | |
| 1981 | 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 | |
| 1982 | 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 | |
| 1983 | 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 | |
| 1984 | 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 | |
| 1985 | 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 | |
| 1986 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 431.50 | 88.50 | 75.00 | 9.00 | 0.00 | 604.00 | ||||||
| 1987 | 0.00 | 0.00 | 0.00 | b | 54.11 | b | 157.50 | 266.50 | f | 260.92 | a | 317.23 | a | 179.50 | g | 79.50 | 0.00 | 0.00 | k | 869.26 | ||||||
| 1988 | 0.00 | a | 0.00 | a | 0.00 | 17.59 | a | 48.16 | c | 141.35 | d | 357.57 | b | 202.00 | g | 150.00 | 131.50 | 0.50 | 0.00 | 846.66 | ||||||
| 1989 | 0.00 | 0.00 | 0.00 | 19.50 | 50.50 | 236.00 | 234.50 | 197.50 | 157.50 | 14.00 | 0.00 | f | 0.00 | 909.50 | ||||||||||||
| 1990 | 0.00 | 0.00 | 0.00 | 12.00 | 1.00 | 110.50 | 385.00 | 316.00 | 221.00 | 10.00 | 0.00 | 0.00 | 1055.50 | |||||||||||||
| 1991 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 70.00 | 521.00 | 474.50 | 232.50 | 71.00 | 2.00 | 0.00 | 1371.50 | |||||||||||||
| 1992 | 0.00 | 0.00 | 0.50 | 26.50 | 194.50 | 217.00 | 248.50 | 358.00 | 128.50 | 54.50 | 0.00 | 0.00 | 1228.00 | |||||||||||||
| 1993 | 0.00 | 0.00 | 0.00 | 0.00 | 118.50 | 95.50 | 77.50 | 235.50 | 198.50 | 39.50 | 0.00 | 0.00 | 765.00 | |||||||||||||
| 1994 | 0.00 | 0.00 | 0.00 | 20.00 | 74.50 | 100.50 | 370.50 | 224.50 | 194.00 | 6.50 | 0.00 | a | 0.00 | 990.50 | ||||||||||||
| 1995 | 0.00 | 0.00 | 0.00 | 0.00 | 72.00 | 107.00 | 327.00 | 188.00 | 211.50 | 23.50 | 0.00 | 0.00 | 929.00 | |||||||||||||
| 1996 | 0.00 | 0.00 | 0.00 | 14.00 | 14.50 | 117.50 | 396.00 | 353.50 | 105.00 | 61.00 | 0.00 | 0.00 | 1061.50 | |||||||||||||
| 1997 | 0.00 | 0.00 | 0.00 | 0.00 | c | 36.50 | k | 53.00 | q | 141.50 | q | 91.50 | x | 106.50 | r | 4.50 | o | 0.00 | a | 0.00 | 0.00 | |||||
| 1998 | 0.00 | 0.00 | h | 0.00 | 35.50 | l | 8.50 | w | 75.00 | p | 271.50 | n | 138.00 | q | 108.00 | p | 4.50 | v | 0.00 | o | 0.00 | g | 0.00 | |||
| 1999 | 0.00 | l | 0.00 | d | 0.00 | n | 0.00 | k | 0.00 | u | 70.00 | m | 113.00 | v | 168.00 | r | 78.00 | t | 0.50 | z | 0.00 | n | 0.00 | q | 0.00 | |
| 2000 | 0.00 | i | 0.00 | l | 0.00 | q | 5.00 | t | 14.50 | m | 112.50 | l | 67.00 | u | 178.00 | l | 0.00 | z | 1.00 | n | 0.00 | u | 0.00 | z | 0.00 | |
| 2001 | 0.00 | q | 0.00 | k | 0.00 | l | 8.50 | m | 53.50 | o | 50.00 | o | 97.00 | q | 164.50 | o | 79.50 | n | 0.00 | x | 0.00 | v | 0.00 | g | 0.00 | |
| 2002 | 0.00 | j | 0.00 | 0.00 | i | 0.00 | o | 12.00 | n | 142.00 | k | 184.00 | q | 144.50 | m | 76.00 | o | 16.00 | u | 0.00 | n | 0.00 | m | 0.00 | ||
| 2003 | 0.00 | n | 0.00 | n | 0.00 | s | 0.00 | k | 0.00 | z | 111.00 | p | 216.50 | m | 193.00 | m | 76.50 | s | 49.00 | l | 0.00 | v | 0.00 | n | 0.00 | |
| 2004 | 0.00 | k | 0.00 | j | 0.00 | o | 8.50 | l | 12.00 | o | 99.50 | n | 185.50 | o | 129.00 | r | 64.00 | p | 24.00 | p | 0.00 | l | 0.00 | o | 0.00 | |
| 2005 | 0.00 | l | 0.00 | o | 0.00 | m | 0.50 | m | 10.50 | q | 20.50 | m | 128.00 | u | 170.50 | l | 44.00 | n | 17.50 | t | 0.00 | q | 0.00 | l | 0.00 | |
| 2006 | 0.00 | l | 0.00 | l | 0.00 | j | 0.00 | g | 0.00 | z | 133.50 | l | 113.50 | t | 120.50 | n | 95.50 | g | 5.50 | 4.00 | 0.00 | 9.50 | ||||
| 2007 | 0.00 | 0.00 | 0.00 | 6.50 | 62.50 | 117.50 | 365.50 | 199.00 | 82.50 | 0.50 | 0.00 | 0.00 | 834.00 | |||||||||||||
| 2008 | 0.00 | 0.00 | 0.00 | 0.00 | 31.00 | 72.00 | 248.00 | 310.00 | 161.00 | 42.00 | 2.50 | 0.00 | 866.50 | |||||||||||||
| 2009 | 0.00 | 0.00 | a | 0.00 | 2.50 | 69.00 | 122.00 | 346.50 | 263.00 | 199.50 | 4.50 | 0.00 | 0.00 | 1007.00 | ||||||||||||
| 2010 | 0.00 | 0.00 | 0.00 | 0.00 | 17.50 | 68.00 | 296.50 | 255.50 | 88.00 | 35.00 | 0.00 | 0.00 | 760.50 | |||||||||||||
| 2011 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 55.00 | 142.00 | 260.50 | 247.76 | a | 22.00 | 0.00 | b | 0.00 | 727.26 | |||||||||||
| 2012 | 0.00 | 0.00 | 0.00 | 9.81 | d | 57.50 | 74.00 | 271.50 | 312.00 | 199.00 | 17.00 | 0.00 | 0.00 | 940.81 | ||||||||||||
| 2013 | 0.00 | 0.00 | 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 | |||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 0.00 | 0.00 | 0.03 | 10.74 | 60.57 | 113.59 | 303.03 | 293.51 | 166.55 | 38.47 | 1.26 | 0.00 | 964.39 | |||||||||||||
| S.D. | 0.00 | 0.00 | 0.12 | 14.24 | 55.99 | 51.97 | 105.54 | 82.51 | 54.65 | 34.80 | 2.51 | 0.00 | 187.40 | |||||||||||||
| SKEW | 0.00 | 0.00 | 3.88 | 1.74 | 1.04 | 1.29 | -0.23 | 0.68 | -0.27 | 1.08 | 2.05 | 0.00 | 0.72 | |||||||||||||
| MAX | 0.00 | 0.00 | 0.50 | 54.11 | 194.50 | 236.00 | 521.00 | 474.50 | 247.76 | 131.50 | 9.00 | 0.00 | 1371.50 | |||||||||||||
| MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 55.00 | 77.50 | 188.00 | 82.50 | 0.50 | 0.00 | 0.00 | 727.26 | |||||||||||||
| NO YRS | 19 | 20 | 18 | 17 | 16 | 15 | 16 | 16 | 16 | 18 | 19 | 19 | 13 | |||||||||||||