YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1916 | ----- | z | ----- | z | 60.00 | m | 74.00 | a | 68.52 | f | 79.00 | a | 84.87 | a | ----- | z | 81.43 | b | 59.95 | l | 47.12 | e | ----- | z | 73.28 | g |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | 69.81 | e | 80.15 | j | 89.17 | g | 91.03 | a | 81.50 | d | 71.24 | f | 55.95 | j | ----- | z | 80.78 | i |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | 67.60 | p | ----- | z | ----- | z | 78.40 | k | 77.28 | e | 66.50 | c | 50.93 | a | ----- | z | 64.90 | i |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | 77.94 | 81.90 | 87.97 | 87.90 | 78.23 | 59.69 | b | ----- | z | ----- | z | 78.94 | f | |||||
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.59 | m | 91.39 | 87.58 | 76.83 | 61.03 | 48.53 | ----- | z | 73.07 | g | |||||
1921 | ----- | z | ----- | z | ----- | z | ----- | z | 69.48 | 80.20 | 88.39 | 90.16 | 73.33 | 71.17 | a | ----- | z | ----- | z | 78.79 | f | |||||
1922 | ----- | z | ----- | z | ----- | z | 58.17 | 69.16 | 84.00 | 89.17 | a | 88.25 | c | 83.00 | j | 72.52 | ----- | z | ----- | z | 76.88 | f | ||||
1923 | ----- | z | ----- | z | ----- | z | 62.47 | 68.16 | 73.97 | 90.35 | 87.58 | 81.43 | 61.93 | a | ----- | z | ----- | z | 75.13 | e | ||||||
1924 | ----- | z | ----- | z | ----- | z | ----- | z | 80.29 | 81.43 | 89.74 | 89.97 | 90.25 | r | ----- | z | ----- | z | ----- | z | 85.36 | h | ||||
1925 | ----- | z | ----- | z | ----- | z | ----- | z | 76.16 | 79.70 | 92.74 | 87.47 | a | ----- | z | ----- | z | ----- | z | ----- | z | 84.02 | h | |||
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 | 84.93 | a | 77.07 | 67.29 | 47.73 | 35.87 | 62.58 | g | ||||
1949 | 22.84 | 42.43 | 55.45 | 70.13 | 76.58 | 80.47 | 87.71 | 88.23 | 80.53 | 60.90 | 54.97 | 42.19 | 63.54 | |||||||||||||
1950 | 33.87 | 43.46 | 50.71 | 62.00 | 69.39 | 77.70 | 87.23 | 86.29 | 77.23 | 70.06 | 55.16 | e | 44.58 | 63.14 | ||||||||||||
1951 | 39.93 | a | 46.79 | 50.52 | 68.63 | 71.19 | 77.70 | 90.52 | 84.91 | i | 79.10 | 63.97 | 49.57 | 37.94 | 61.44 | a | ||||||||||
1952 | 34.81 | 39.86 | 48.97 | 68.80 | 72.19 | 79.40 | 88.48 | 88.71 | 81.50 | 71.81 | 48.03 | 41.55 | 63.68 | |||||||||||||
1953 | 50.35 | 48.25 | 57.39 | 60.97 | 66.39 | 73.37 | 89.58 | 85.80 | a | 80.73 | 67.61 | 56.23 | 40.71 | 64.78 | ||||||||||||
1954 | 46.81 | 50.71 | 52.23 | 65.23 | 75.35 | 73.80 | 89.74 | 81.94 | 75.87 | 65.19 | 54.83 | 39.97 | 64.31 | |||||||||||||
1955 | 33.19 | 38.89 | 49.32 | 56.90 | 67.03 | 79.37 | 83.90 | 88.45 | 75.73 | 66.26 | 45.60 | 45.55 | 60.85 | |||||||||||||
1956 | 41.68 | 38.14 | 56.45 | 66.41 | a | 72.61 | 78.13 | 87.77 | 83.39 | 77.23 | 60.74 | 44.40 | 37.90 | 62.07 | ||||||||||||
1957 | 27.90 | 39.43 | 52.90 | 60.93 | 70.32 | 79.70 | 86.16 | 84.58 | 80.20 | 61.32 | 47.93 | 42.55 | 61.16 | |||||||||||||
1958 | 38.65 | 50.21 | 52.48 | 59.87 | 78.61 | 78.90 | 87.65 | 89.16 | 75.90 | 69.53 | a | 51.20 | 43.16 | 64.61 | ||||||||||||
1959 | 44.23 | 46.96 | 54.24 | j | 66.30 | 67.55 | 82.77 | 90.45 | 83.81 | 72.34 | a | 64.00 | 50.47 | 39.58 | 64.41 | a | ||||||||||
1960 | 31.84 | 42.48 | 55.13 | 64.53 | 68.81 | 83.30 | 92.03 | 82.97 | 80.37 | 64.90 | 50.60 | 38.42 | 62.95 | |||||||||||||
1961 | 39.17 | a | 49.68 | 56.16 | 63.40 | 72.68 | 86.83 | 89.81 | 89.94 | 71.77 | 61.48 | 47.79 | a | 37.03 | 63.81 | |||||||||||
1962 | 28.77 | 38.61 | 52.65 | 70.07 | 68.48 | 80.60 | 86.19 | 84.10 | 79.27 | 64.61 | 52.70 | 41.45 | 62.29 | |||||||||||||
1963 | 33.00 | 52.75 | 57.52 | 59.10 | 73.52 | 76.83 | a | 85.03 | 86.13 | 80.63 | 67.87 | 49.70 | 33.29 | 62.95 | ||||||||||||
1964 | 33.90 | 38.62 | 49.35 | 61.67 | 69.68 | 75.13 | 88.23 | 82.55 | 74.37 | 66.90 | 48.07 | 43.71 | 61.01 | |||||||||||||
1965 | 38.61 | 48.29 | 54.48 | 64.37 | 68.71 | 78.47 | 86.52 | 82.81 | 70.83 | 69.13 | 53.93 | 39.26 | 62.95 | |||||||||||||
1966 | 43.55 | 45.32 | 57.94 | 65.80 | 78.00 | 78.20 | 87.74 | 86.87 | 82.27 | 66.26 | 53.53 | 40.00 | 65.46 | |||||||||||||
1967 | 44.06 | 51.29 | 55.16 | 56.37 | 72.65 | 79.67 | 91.00 | 91.87 | 83.07 | 64.26 | 51.30 | 38.19 | 64.91 | |||||||||||||
1968 | 38.74 | 51.28 | 59.42 | 61.67 | 72.00 | 81.07 | 90.39 | 80.13 | 76.53 | 63.58 | 47.77 | 41.48 | 63.67 | |||||||||||||
1969 | 39.23 | 40.93 | 54.87 | 67.10 | 76.90 | 79.00 | 87.87 | 88.26 | 78.87 | 60.06 | 51.23 | 42.26 | 63.88 | |||||||||||||
1970 | 43.74 | 52.04 | 53.87 | 59.07 | 71.81 | 81.83 | 88.94 | 90.16 | 74.07 | 61.58 | 51.07 | 39.68 | 63.99 | |||||||||||||
1971 | 40.48 | 49.46 | 52.32 | 64.60 | 74.32 | 76.67 | 88.55 | 91.55 | 73.90 | 63.68 | 48.43 | 38.06 | 63.50 | |||||||||||||
1972 | 37.71 | 43.69 | 58.52 | 62.50 | 75.94 | 81.17 | 87.13 | 88.65 | 72.97 | 65.68 | 48.83 | 32.29 | 62.92 | |||||||||||||
1973 | 37.87 | a | 47.57 | 55.74 | 63.69 | a | 76.77 | 82.13 | 89.87 | 87.97 | 77.55 | a | 65.58 | 49.60 | 44.10 | b | 64.87 | |||||||||
1974 | 38.29 | 48.64 | 54.84 | 64.53 | 70.29 | 86.17 | 86.61 | 87.87 | 82.80 | 65.68 | 51.87 | 39.16 | 64.73 | |||||||||||||
1975 | 34.52 | 43.32 | 52.57 | a | 55.50 | 71.03 | 77.33 | 90.35 | 82.29 | 80.20 | 64.35 | 48.83 | 38.35 | 61.55 | ||||||||||||
1976 | 39.19 | 45.03 | 50.61 | 62.14 | a | 77.00 | 78.17 | 88.84 | 82.67 | a | 77.57 | 65.52 | 52.47 | 39.52 | 63.23 | |||||||||||
1977 | 27.10 | 44.14 | 54.03 | 70.40 | 66.77 | 85.13 | 87.42 | 87.29 | 76.47 | 66.81 | 50.67 | 44.35 | 63.38 | |||||||||||||
1978 | 43.52 | 46.14 | 60.48 | 61.47 | 69.94 | 79.73 | 87.55 | 85.71 | 75.47 | 69.06 | 46.13 | 35.74 | 63.41 | |||||||||||||
1979 | 24.52 | 42.43 | 57.35 | 64.07 | 74.00 | 83.60 | 89.03 | 85.48 | 83.93 | 67.42 | 45.40 | 42.23 | a | 63.29 | ||||||||||||
1980 | 38.74 | 47.61 | a | 54.19 | 68.20 | 70.81 | 78.33 | 88.47 | a | 84.19 | 76.70 | 66.45 | 48.97 | 40.29 | 63.58 | |||||||||||
1981 | 39.29 | 47.64 | 58.03 | 64.93 | 69.81 | 78.77 | 88.35 | 91.29 | 80.73 | 63.48 | 53.37 | 43.42 | 64.93 | |||||||||||||
1982 | 35.65 | 41.46 | 55.39 | c | 60.90 | a | 72.17 | a | 79.77 | 84.94 | 88.00 | 75.79 | a | 64.57 | a | 45.24 | a | 37.93 | b | 61.82 | ||||||
1983 | 40.23 | 50.33 | a | 55.71 | 59.48 | a | 72.07 | a | 78.72 | a | 84.21 | c | 88.00 | a | 77.69 | a | 65.90 | 51.66 | a | 33.27 | a | 63.11 | ||||
1984 | 30.40 | a | 38.21 | 54.94 | 60.64 | b | 70.13 | a | 76.77 | 89.16 | 88.84 | 75.04 | b | 61.10 | b | 48.13 | 34.30 | a | 60.64 | |||||||
1985 | 30.58 | 38.29 | 50.84 | 69.20 | 74.00 | 83.67 | 93.00 | 84.68 | ----- | z | 61.87 | 38.77 | 21.29 | 58.74 | a | |||||||||||
1986 | 35.94 | 49.86 | 61.71 | 63.03 | 72.68 | 86.23 | 83.55 | 90.50 | a | 71.07 | 66.87 | 52.30 | 35.65 | 64.11 | ||||||||||||
1987 | 35.94 | 48.21 | 56.97 | ----- | z | 77.68 | 82.76 | a | 84.61 | 85.00 | 81.24 | e | 70.90 | 51.48 | a | 40.87 | 65.06 | a | ||||||||
1988 | 32.87 | 47.32 | a | 57.29 | 66.70 | 72.42 | 83.76 | a | 89.52 | 86.73 | a | 76.20 | 74.00 | 50.33 | 33.55 | 64.22 | ||||||||||
1989 | 29.97 | 28.46 | 52.06 | 67.40 | 70.77 | 81.53 | 89.83 | a | 84.13 | 79.13 | 63.32 | 50.57 | 39.58 | 61.40 | ||||||||||||
1990 | 42.00 | 44.50 | 59.52 | d | 70.21 | a | 69.45 | 80.23 | 87.74 | 86.00 | 84.17 | 64.84 | 51.72 | e | 31.63 | d | 64.33 | |||||||||
1991 | 31.83 | b | 49.21 | 56.55 | 63.53 | 67.90 | 77.07 | 89.87 | 89.10 | 80.97 | ----- | z | 47.36 | e | 42.05 | i | 65.34 | b | ||||||||
1992 | 41.00 | e | 53.29 | e | 64.80 | a | 70.33 | c | 80.32 | 83.96 | f | 85.55 | 91.42 | e | 81.18 | b | 69.83 | h | 43.43 | 37.90 | 64.92 | b | ||||
1993 | 35.73 | i | 37.67 | d | 51.37 | a | 60.92 | d | 77.33 | a | 75.44 | e | 78.93 | d | 82.96 | g | 79.37 | c | 66.92 | g | 46.32 | b | 43.10 | a | 61.16 | c |
1994 | 39.33 | a | 44.18 | 64.03 | 68.48 | a | 75.73 | a | 82.69 | a | 91.53 | a | 91.37 | a | 83.62 | a | 67.16 | 43.10 | a | 37.26 | 65.71 | |||||
1995 | 44.40 | a | 54.39 | 56.83 | a | 63.50 | b | 71.70 | a | 77.13 | 86.76 | b | 86.61 | 80.90 | a | 65.10 | 54.43 | b | 41.10 | a | 65.24 | |||||
1996 | 42.32 | 47.03 | 58.26 | 64.93 | c | 69.46 | c | 80.72 | a | 91.59 | d | 89.42 | e | 75.04 | d | 65.35 | e | 51.75 | f | 45.86 | c | 66.36 | a | |||
1997 | 41.96 | c | 48.42 | d | 61.15 | d | 61.82 | h | 77.43 | c | 80.59 | c | 86.48 | d | 90.07 | d | 80.92 | d | 68.12 | e | 53.83 | a | ----- | z | 68.90 | b |
1998 | 47.11 | c | 49.35 | b | 56.62 | b | 62.10 | a | 68.32 | c | 78.41 | c | 92.24 | b | 91.36 | c | 83.48 | g | 67.35 | h | 53.67 | f | 40.93 | d | 65.16 | c |
1999 | 46.41 | i | 47.50 | b | 58.86 | i | 63.62 | d | 69.78 | d | 78.96 | d | 87.04 | f | 88.69 | e | 79.18 | h | 69.52 | h | 53.73 | o | 38.95 | j | 69.71 | g |
2000 | 41.95 | j | 53.38 | m | 56.65 | h | 66.88 | m | 71.93 | d | 81.62 | d | 88.89 | d | 89.52 | j | 77.42 | f | 64.90 | j | 44.80 | o | 36.29 | q | 80.81 | i |
2001 | 35.63 | l | 41.11 | j | 60.61 | m | 60.82 | m | 76.43 | h | 83.50 | j | 88.69 | e | 91.38 | g | 81.16 | k | 68.00 | q | 55.92 | q | 40.24 | n | 88.69 | k |
2002 | 41.09 | i | 46.96 | e | 55.91 | i | 65.92 | d | 72.37 | d | 82.13 | g | 92.62 | e | 84.70 | h | 80.00 | f | 66.00 | j | 52.72 | l | 45.50 | i | 69.47 | h |
2003 | 46.05 | l | 49.78 | j | 59.35 | k | 62.19 | d | 72.00 | f | 82.74 | g | 93.52 | f | 89.80 | f | 80.46 | d | 72.76 | n | 49.21 | p | 45.89 | m | 71.33 | j |
2004 | 33.70 | k | 44.76 | l | 62.80 | k | 67.52 | g | 70.64 | f | 81.56 | c | 90.64 | c | 88.12 | f | 75.85 | d | 68.45 | k | 49.12 | m | 44.15 | k | 82.68 | i |
2005 | 40.60 | k | 48.67 | j | 59.62 | j | 63.95 | j | 71.64 | f | 77.68 | e | 91.93 | d | 91.04 | h | 78.19 | c | 66.59 | i | 46.28 | l | 36.27 | p | 82.60 | i |
2006 | 43.58 | l | 49.07 | m | 55.47 | n | 66.00 | h | 75.77 | e | 81.81 | d | 94.38 | g | 87.88 | f | 79.24 | a | 65.79 | g | 52.12 | n | 41.65 | n | 78.94 | i |
2007 | 42.47 | l | 49.35 | k | 61.25 | o | 64.96 | e | 77.23 | e | 82.52 | e | 94.67 | d | 88.33 | d | 78.75 | f | 65.12 | n | 52.19 | n | 44.42 | s | 81.54 | g |
2008 | 37.94 | o | 47.72 | k | 53.28 | m | 60.43 | i | 71.68 | c | 80.24 | e | 89.96 | c | 89.44 | d | 78.29 | b | 65.37 | l | 50.87 | o | 39.80 | p | 81.92 | g |
2009 | 35.56 | o | 43.88 | d | 51.25 | c | 63.00 | f | 73.85 | e | 78.54 | f | 89.59 | d | 87.41 | d | 85.04 | e | 59.11 | c | 50.00 | 31.80 | k | 67.51 | d | |
2010 | 41.86 | b | 46.14 | 56.10 | 61.19 | c | 66.71 | 78.90 | 88.06 | 86.74 | 80.07 | 68.68 | 47.80 | 38.55 | 63.40 | |||||||||||
2011 | 37.61 | 44.93 | 53.03 | 57.43 | 67.65 | 75.67 | 86.03 | b | 89.61 | 82.83 | a | 65.61 | 48.47 | 40.81 | 62.47 | |||||||||||
2012 | 43.42 | 47.69 | 57.39 | 67.10 | 72.06 | 82.17 | 91.68 | 90.50 | a | 82.04 | b | 65.84 | 53.37 | 43.94 | 66.43 | |||||||||||
2013 | 26.68 | 46.70 | a | 59.42 | 65.17 | 76.35 | 84.00 | 95.29 | 91.71 | 80.74 | c | 64.16 | 49.33 | 30.90 | 64.21 | |||||||||||
2014 | 38.15 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 37.38 | 45.55 | 55.42 | 63.98 | 72.40 | 80.00 | 88.68 | 87.38 | 78.47 | 65.49 | 49.69 | 39.10 | 63.47 | |||||||||||||
S.D. | 6.03 | 4.88 | 3.59 | 3.95 | 3.59 | 2.96 | 2.74 | 2.84 | 3.36 | 3.30 | 3.36 | 4.39 | 1.35 | |||||||||||||
SKEW | -0.38 | -0.82 | 0.35 | 0.11 | 0.35 | 0.05 | -0.45 | -0.42 | -0.31 | 0.29 | -0.54 | -1.40 | -0.25 | |||||||||||||
MAX | 50.35 | 54.39 | 64.80 | 74.00 | 80.32 | 86.83 | 95.29 | 91.87 | 85.04 | 74.00 | 56.23 | 45.86 | 66.43 | |||||||||||||
MIN | 22.84 | 28.46 | 48.97 | 55.50 | 66.39 | 73.37 | 78.93 | 80.13 | 70.83 | 59.11 | 38.77 | 21.29 | 60.64 | |||||||||||||
YRS | 53 | 57 | 54 | 59 | 68 | 67 | 70 | 65 | 66 | 58 | 57 | 53 | 44 |