YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.48 | a | 51.33 | a | 31.77 | 22.26 | 41.71 | h | ||
1958 | 22.58 | 18.50 | 37.00 | a | 52.27 | 64.20 | a | 66.87 | 74.39 | 74.79 | c | 63.64 | b | 53.19 | 34.45 | a | 12.16 | 47.84 | ||||||||
1959 | 9.00 | 19.79 | 35.48 | 47.13 | 63.13 | 74.00 | 77.58 | 75.40 | a | 62.66 | a | 43.94 | 24.27 | 28.97 | 46.78 | |||||||||||
1960 | 17.65 | 23.31 | 27.23 | 45.87 | 62.90 | 70.07 | a | 76.48 | 75.96 | c | 65.14 | a | 51.61 | 33.93 | 17.90 | 47.34 | ||||||||||
1961 | 14.77 | 28.30 | a | 37.56 | o | 44.55 | a | 63.81 | 76.23 | 77.90 | b | 80.23 | 63.47 | 52.61 | 33.32 | b | 18.94 | 50.37 | a | |||||||
1962 | 10.74 | 15.93 | 33.90 | 45.47 | 63.03 | 71.57 | 72.06 | 74.13 | a | 60.79 | k | 54.68 | f | 40.00 | m | ----- | z | 48.35 | d | |||||||
1963 | 10.10 | k | 17.79 | i | 36.15 | k | 52.15 | d | 61.65 | 73.67 | c | 79.39 | m | 72.96 | d | 67.83 | g | 64.42 | 42.50 | j | 17.00 | k | 64.97 | g | ||
1964 | 26.18 | i | 26.78 | k | 29.77 | e | 50.11 | c | 68.00 | a | 71.80 | 79.35 | 69.90 | 63.50 | b | 53.52 | 42.00 | h | 17.46 | c | 55.94 | c | ||||
1965 | 15.47 | a | 15.96 | d | 29.10 | 46.86 | a | 66.19 | 70.13 | 72.42 | e | 74.77 | ----- | z | ----- | z | 34.31 | n | 26.18 | n | 48.86 | d | ||||
1966 | 9.71 | g | 21.46 | 39.10 | 43.62 | a | 58.07 | a | 74.13 | 81.27 | a | 72.52 | 67.14 | a | 52.81 | d | 32.97 | a | 20.31 | b | 51.22 | a | ||||
1967 | 19.10 | b | 14.79 | n | 35.16 | f | 47.97 | a | 57.29 | 72.55 | a | 75.87 | 73.71 | 67.83 | 48.84 | 31.14 | b | 24.10 | 51.84 | b | ||||||
1968 | 17.60 | a | 22.00 | 41.97 | a | 50.37 | 60.39 | 70.37 | 75.80 | a | 74.93 | b | 64.70 | 53.87 | a | 35.22 | c | 20.66 | b | 48.99 | ||||||
1969 | 15.90 | a | 25.52 | a | 34.26 | 52.70 | 63.23 | a | 63.76 | a | 75.39 | 79.23 | 64.63 | 45.84 | 31.83 | 24.39 | 48.06 | |||||||||
1970 | 12.65 | 23.18 | 32.35 | 44.60 | 56.52 | 74.10 | 81.29 | 78.48 | 65.00 | a | 52.57 | a | 33.59 | a | 21.13 | a | 47.95 | |||||||||
1971 | 8.00 | c | 23.88 | c | 31.48 | 48.23 | 61.55 | 74.50 | 73.14 | b | 69.75 | w | 66.47 | 55.29 | 32.52 | c | 22.64 | i | 47.51 | b | ||||||
1972 | 10.32 | f | 17.35 | f | 30.52 | b | 47.00 | d | 68.67 | d | ----- | z | 73.79 | b | 74.23 | 60.43 | 48.90 | 30.58 | k | 11.92 | e | 51.93 | d | |||
1973 | 22.00 | a | 22.96 | b | 41.26 | d | 48.50 | 59.68 | 71.10 | 77.13 | 76.00 | ----- | z | ----- | z | ----- | z | ----- | z | 52.33 | d | |||||
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.97 | a | 80.58 | 75.52 | 62.03 | 55.10 | 45.22 | l | 21.62 | r | 68.84 | g | ||||
1976 | 13.12 | n | 34.17 | k | 26.90 | u | 54.20 | j | 65.52 | 75.90 | 79.33 | a | 79.03 | a | ----- | z | 46.42 | ----- | z | ----- | z | 69.24 | g | |||
1977 | ----- | z | ----- | z | 41.89 | l | 59.37 | c | 73.35 | 72.23 | 76.65 | 67.77 | 61.76 | a | 54.23 | a | 41.88 | m | 24.00 | n | 66.48 | e | ||||
1978 | 16.14 | q | 20.22 | j | 37.06 | o | ----- | z | 67.93 | a | 71.90 | a | 73.48 | 74.58 | 68.73 | 54.77 | 41.95 | j | ----- | z | 68.57 | f | ||||
1979 | ----- | z | ----- | z | ----- | z | 51.43 | w | ----- | z | 70.96 | b | 79.84 | 73.28 | b | 66.96 | b | 49.86 | i | 36.40 | o | 28.94 | n | 72.76 | h | |
1980 | 18.43 | q | 21.12 | m | 35.59 | n | 56.35 | j | 72.19 | 73.13 | 79.45 | 73.40 | a | 64.06 | n | 47.09 | t | 42.55 | s | 21.53 | p | 74.54 | h | |||
1981 | 24.12 | o | 23.56 | j | 38.93 | q | 54.93 | o | 65.91 | h | 72.95 | h | 78.57 | a | 77.83 | b | ----- | z | 52.64 | i | ----- | z | 21.18 | n | 78.20 | j |
1982 | 9.57 | q | 21.45 | q | ----- | z | ----- | z | 69.19 | j | 68.19 | n | 78.88 | o | ----- | z | 69.74 | k | ----- | z | 33.38 | q | 28.75 | o | ----- | z |
1983 | 22.88 | o | 26.62 | l | 35.25 | o | 52.71 | p | 59.75 | k | 74.32 | e | 83.45 | i | 80.92 | f | 65.30 | c | 52.32 | l | 36.00 | q | 13.21 | l | 69.81 | j |
1984 | 16.80 | k | 34.76 | l | 31.05 | l | 56.67 | i | 61.85 | e | 72.69 | a | 79.06 | 79.13 | 60.52 | a | 53.40 | p | 35.00 | m | 24.85 | r | 70.65 | g | ||
1985 | 15.47 | n | 22.14 | n | 44.00 | q | 54.83 | l | 65.91 | h | 67.96 | b | 76.50 | c | 71.48 | b | 62.72 | a | 52.80 | k | 30.69 | n | 12.12 | n | 69.67 | h |
1986 | 22.00 | n | 24.36 | n | 34.47 | n | 55.35 | j | 68.23 | i | 72.20 | e | 75.42 | e | 70.89 | d | 62.58 | f | 56.13 | p | 25.20 | t | 25.12 | o | 72.84 | i |
1987 | 25.08 | r | 34.45 | q | 44.86 | q | 61.95 | h | 67.88 | e | 79.60 | e | 78.48 | d | 74.77 | e | 70.22 | l | 51.21 | q | 44.55 | s | 26.67 | p | 75.18 | h |
1988 | 12.00 | m | 20.25 | i | 36.24 | j | 54.45 | j | 72.12 | e | 80.24 | e | 82.10 | b | 76.25 | g | 65.15 | j | 47.67 | v | 34.06 | m | 23.83 | m | 78.15 | i |
1989 | 26.83 | m | 16.06 | j | 30.80 | k | 49.35 | j | 67.73 | i | 70.23 | d | 80.67 | d | 77.53 | l | 66.76 | i | 56.20 | p | 34.50 | p | 12.14 | q | 75.45 | j |
1990 | 31.23 | r | 30.82 | q | 35.00 | s | 52.06 | m | 52.76 | f | 68.36 | h | 73.00 | f | 72.64 | c | 64.96 | c | 46.78 | m | 40.43 | p | 23.40 | p | 68.80 | j |
1991 | 15.21 | q | 29.00 | n | 38.71 | n | 51.30 | j | 67.52 | j | 73.22 | g | 72.72 | f | 75.88 | f | 61.68 | e | 48.71 | n | 34.14 | p | 20.06 | m | 61.68 | k |
1992 | 18.81 | j | 25.00 | j | 34.05 | i | 41.00 | j | 69.86 | c | 67.80 | e | 68.97 | a | 69.87 | 64.56 | c | 50.95 | j | 31.33 | l | 24.30 | k | 68.21 | g | |
1993 | 20.39 | m | 26.00 | i | 38.61 | h | 45.55 | j | 60.22 | d | 64.48 | a | 68.72 | b | 68.96 | c | 57.17 | a | 49.15 | k | 32.42 | k | 26.00 | n | 63.91 | g |
1994 | 7.40 | k | 16.75 | h | 35.74 | h | 49.85 | j | 63.38 | e | 73.72 | a | 73.27 | a | 71.70 | a | 66.20 | 55.89 | l | 38.42 | k | 28.33 | j | 69.66 | g | |
1995 | 20.00 | l | 22.11 | i | 34.96 | h | 42.05 | k | 61.21 | b | 79.73 | 75.48 | 76.31 | b | 62.61 | b | 51.95 | j | 24.43 | i | 18.21 | q | 71.07 | g | ||
1996 | 13.87 | p | 20.60 | i | 29.05 | j | 43.82 | h | 59.81 | e | 72.90 | 72.37 | a | 76.38 | b | 67.60 | e | 49.95 | j | 25.80 | o | 19.57 | q | 69.81 | g | |
1997 | 16.55 | t | 29.58 | p | 35.08 | r | 47.71 | p | 55.50 | c | 76.14 | a | 76.03 | 71.00 | 66.93 | a | 49.73 | i | 29.56 | l | 29.05 | i | 69.12 | g | ||
1998 | 19.79 | q | 35.40 | m | 32.17 | h | 52.69 | d | 69.63 | a | 65.34 | a | 74.48 | 76.55 | 69.53 | 52.52 | f | 37.22 | l | 22.40 | p | 68.04 | f | |||
1999 | 13.14 | q | 32.29 | n | 38.67 | m | 50.77 | h | 63.24 | b | 68.18 | b | 75.81 | 70.58 | 61.43 | 46.16 | l | 41.92 | e | 27.87 | h | 63.53 | f | |||
2000 | 18.29 | n | 29.65 | i | 43.12 | g | 46.00 | e | 62.21 | c | 64.24 | a | 73.16 | 72.65 | 62.10 | a | 55.60 | f | 33.04 | d | 11.20 | k | 59.06 | e | ||
2001 | 26.68 | l | 19.00 | m | 36.62 | o | 47.32 | e | 62.83 | a | 71.40 | 75.32 | 76.52 | b | 63.43 | 50.72 | f | 46.45 | j | 31.35 | n | 66.14 | f | |||
2002 | 21.40 | k | 28.89 | i | 30.00 | l | 45.35 | g | 55.67 | a | 71.10 | 79.97 | b | 71.39 | 66.67 | 41.46 | e | 29.65 | g | 25.62 | j | 64.37 | f | |||
2003 | 13.95 | k | 16.67 | j | 31.41 | i | 48.67 | i | 62.45 | b | 69.41 | a | 75.13 | 77.19 | 64.63 | 48.45 | b | 30.80 | e | 25.96 | f | 61.15 | e | |||
2004 | 10.08 | e | 24.34 | 34.55 | 45.43 | 53.71 | 65.03 | 73.00 | 66.26 | 66.10 | 51.20 | a | 36.86 | i | ----- | z | 48.97 | b | ||||||||
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.16 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.16 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 15.04 | 21.93 | 34.14 | 48.49 | 63.30 | 71.63 | 76.21 | 74.07 | 64.28 | 51.45 | 32.91 | 20.02 | 47.83 | |||||||||||||
S.D. | 4.75 | 3.60 | 4.49 | 3.75 | 4.86 | 4.00 | 3.22 | 3.27 | 2.67 | 4.84 | 3.67 | 4.88 | 0.74 | |||||||||||||
SKEW | 0.07 | -0.28 | 0.33 | 1.18 | 0.20 | -0.00 | -0.19 | -0.23 | -0.26 | 0.27 | 0.14 | -0.13 | 0.17 | |||||||||||||
MAX | 22.58 | 28.30 | 41.97 | 59.37 | 73.35 | 80.24 | 82.10 | 80.23 | 69.53 | 64.42 | 41.92 | 28.97 | 48.99 | |||||||||||||
MIN | 8.00 | 15.93 | 27.23 | 43.62 | 53.71 | 63.76 | 68.72 | 66.26 | 57.17 | 41.46 | 24.27 | 11.92 | 46.78 | |||||||||||||
YRS | 13 | 13 | 14 | 21 | 36 | 41 | 42 | 40 | 35 | 21 | 14 | 12 | 6 |