| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.67 | u | 88.65 | 86.35 | 73.90 | 67.29 | 47.57 | 41.03 | 67.46 | |||||||
| 1946 | 44.10 | 46.93 | 50.94 | 62.77 | 68.68 | 71.93 | 84.10 | 85.29 | 73.77 | 55.16 | 46.13 | 45.26 | 61.25 | |||||||||||||
| 1947 | 41.23 | 49.04 | 57.58 | 62.50 | 75.58 | 71.07 | 83.71 | 80.29 | 76.43 | 62.45 | 47.17 | 45.03 | 62.67 | |||||||||||||
| 1948 | 43.39 | 42.79 | 48.23 | 53.90 | 62.97 | 76.70 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.55 | 52.07 | ||||||||
| 1949 | 29.55 | 41.54 | ----- | z | ----- | z | 71.56 | m | 79.57 | 86.42 | 84.07 | a | 78.40 | 60.39 | 58.13 | 42.90 | 62.33 | |||||||||
| 1950 | 28.90 | 45.29 | 48.84 | 56.77 | h | 59.37 | l | 67.87 | 83.96 | g | ----- | z | 81.03 | 65.06 | 52.73 | 50.61 | 55.04 | |||||||||
| 1951 | 41.94 | 45.71 | 51.52 | 66.70 | 70.00 | 79.03 | 87.97 | 83.74 | 78.63 | 62.10 | 49.72 | a | 40.19 | 63.10 | ||||||||||||
| 1952 | 39.84 | 46.66 | 48.58 | 66.43 | 68.71 | 72.21 | a | ----- | z | 85.26 | 81.07 | 73.16 | 47.97 | 41.58 | 61.04 | |||||||||||
| 1953 | 51.77 | 49.11 | 53.52 | 56.37 | 64.53 | a | 69.70 | 85.97 | a | 80.52 | 80.52 | a | 68.00 | 55.73 | 47.26 | 63.58 | ||||||||||
| 1954 | 42.10 | a | 49.46 | 49.39 | 59.67 | 69.97 | 70.00 | 86.35 | 78.32 | 72.27 | 61.23 | a | 56.07 | 42.97 | 61.48 | |||||||||||
| 1955 | 41.52 | 42.68 | 46.55 | 51.37 | 63.74 | 76.60 | 79.23 | 85.45 | 76.53 | 64.35 | 44.47 | 41.61 | 59.51 | |||||||||||||
| 1956 | 41.45 | 39.62 | 51.65 | 63.30 | 68.84 | 70.37 | 86.84 | 82.35 | 76.37 | 64.45 | 47.37 | 48.94 | 61.79 | |||||||||||||
| 1957 | 29.77 | 42.00 | u | 54.00 | w | 59.17 | 68.32 | 78.23 | 81.71 | 79.90 | 79.43 | 59.42 | l | 50.80 | 48.97 | 64.03 | ||||||||||
| 1958 | 44.35 | 52.07 | 48.77 | 56.80 | 74.16 | 78.03 | 88.32 | 89.61 | 75.07 | 69.61 | 50.53 | 50.16 | 64.79 | |||||||||||||
| 1959 | 44.39 | 42.93 | 53.68 | 67.80 | y | 67.42 | e | 76.27 | 88.71 | 83.58 | 71.80 | 65.94 | 52.57 | 42.94 | 62.75 | |||||||||||
| 1960 | 36.42 | g | ----- | z | ----- | z | ----- | z | ----- | z | 76.76 | m | 92.19 | 81.77 | 75.67 | 65.55 | 49.13 | 41.68 | 67.67 | |||||||
| 1961 | 44.55 | 52.57 | 51.55 | 57.68 | b | ----- | z | ----- | z | 90.19 | 88.15 | d | 70.70 | 63.77 | e | 49.43 | g | 42.97 | b | 62.46 | ||||||
| 1962 | 41.52 | d | 44.82 | 49.20 | a | 64.55 | a | 60.74 | d | 74.96 | f | 85.15 | d | 79.96 | e | 77.56 | c | 64.00 | e | 51.87 | g | 46.53 | a | 61.40 | ||
| 1963 | 39.29 | 54.23 | b | 53.23 | 53.83 | 66.53 | a | 74.21 | b | 78.94 | 82.87 | 79.56 | c | 65.29 | c | 51.04 | e | 41.33 | d | 61.70 | ||||||
| 1964 | 43.60 | a | 51.58 | e | 49.56 | d | 58.62 | a | 66.35 | e | 72.81 | c | ----- | z | 82.08 | g | 74.62 | a | 65.39 | c | 45.79 | a | 39.17 | a | 56.75 | |
| 1965 | 41.40 | f | 50.65 | e | 52.47 | a | 62.03 | 66.42 | 75.63 | 83.41 | b | 81.14 | b | 69.80 | 71.21 | b | 52.81 | d | 43.70 | a | 64.48 | |||||
| 1966 | 42.53 | a | 44.96 | b | 54.65 | 62.17 | a | 74.36 | c | 73.67 | f | 80.44 | f | 85.04 | f | 75.82 | b | 68.41 | d | 52.36 | b | 45.80 | a | 57.90 | ||
| 1967 | 46.48 | 52.93 | 50.16 | 51.04 | c | 66.81 | d | 77.10 | a | 86.61 | 90.76 | f | 83.21 | b | 66.66 | b | 51.17 | f | 42.52 | h | 64.56 | |||||
| 1968 | 46.52 | h | 47.13 | f | 58.80 | k | ----- | z | 69.10 | j | 78.04 | f | 87.25 | g | 77.35 | 75.87 | 63.93 | b | 48.27 | 38.81 | 60.85 | |||||
| 1969 | 32.03 | 41.07 | 52.77 | a | 58.27 | 70.65 | 75.80 | 80.61 | 81.48 | 74.80 | 58.22 | d | 51.53 | 40.35 | 59.80 | |||||||||||
| 1970 | 42.97 | a | 47.29 | 49.96 | d | 53.30 | 69.16 | 80.24 | e | 86.52 | d | 86.71 | 71.53 | 60.84 | f | 49.58 | d | 40.03 | 61.57 | |||||||
| 1971 | 44.19 | 46.61 | 45.77 | 56.43 | 65.61 | 69.37 | 82.71 | 87.13 | 68.90 | 61.45 | 49.50 | 40.71 | 59.87 | |||||||||||||
| 1972 | 39.90 | 47.97 | 56.81 | 55.30 | 70.06 | 76.45 | a | 83.06 | 85.00 | 72.30 | 63.05 | i | 51.33 | 36.84 | 61.37 | |||||||||||
| 1973 | 39.87 | 47.70 | h | 52.97 | 60.67 | 71.97 | 77.53 | 90.18 | i | 83.21 | c | 74.23 | 63.32 | 46.40 | 44.59 | d | 61.48 | |||||||||
| 1974 | 35.81 | 47.93 | 49.79 | c | 55.87 | g | 63.86 | q | 80.13 | 81.16 | 84.00 | a | 81.14 | h | 69.35 | 52.10 | 47.36 | c | 60.85 | |||||||
| 1975 | 46.45 | 46.80 | c | 48.10 | 55.53 | 68.97 | 73.70 | 86.65 | 79.58 | 76.53 | 86.65 | 45.40 | e | 47.75 | w | 64.94 | ||||||||||
| 1976 | 46.17 | h | 43.62 | 47.55 | 54.70 | 67.13 | 68.73 | 81.87 | 74.55 | 76.37 | 67.97 | 52.03 | 45.77 | 61.84 | ||||||||||||
| 1977 | 39.10 | 50.57 | 48.59 | d | 66.47 | 60.35 | 83.03 | 84.39 | 89.26 | 72.90 | 65.97 | a | 48.93 | 40.26 | 62.48 | |||||||||||
| 1978 | 41.81 | 47.32 | 57.42 | 55.87 | 62.19 | 74.10 | 82.42 | 81.65 | 73.50 | 70.35 | 46.23 | 38.90 | 60.98 | |||||||||||||
| 1979 | 25.62 | b | 42.71 | 54.39 | 55.03 | 67.90 | 77.03 | 84.23 | 81.19 | 79.87 | 65.19 | 44.10 | 46.74 | 60.33 | ||||||||||||
| 1980 | 35.58 | 44.79 | 49.06 | 62.17 | a | 64.90 | 67.27 | 82.48 | 85.03 | 79.40 | 65.90 | 53.00 | 51.61 | 61.77 | ||||||||||||
| 1981 | 42.68 | 48.82 | 54.58 | 58.93 | 65.48 | 68.60 | 78.65 | 84.77 | 75.63 | 62.19 | 51.47 | 44.77 | 61.38 | |||||||||||||
| 1982 | 41.84 | 43.93 | 50.94 | 57.10 | 66.61 | 76.80 | 82.45 | 85.13 | 71.53 | 60.87 | 44.13 | 40.48 | 60.15 | |||||||||||||
| 1983 | 49.06 | 50.89 | 55.55 | 56.57 | 70.94 | 72.63 | 79.29 | 85.16 | 72.43 | 66.42 | 51.37 | 32.06 | 61.86 | |||||||||||||
| 1984 | 47.77 | 46.62 | 52.55 | 52.30 | 62.52 | 67.17 | 83.94 | 83.06 | 68.57 | 54.42 | 41.20 | 34.84 | 57.91 | |||||||||||||
| 1985 | 32.97 | 39.50 | 48.19 | 62.63 | 67.48 | 74.57 | 91.13 | 79.64 | i | 66.27 | 61.97 | 34.83 | 31.70 | a | 55.57 | |||||||||||
| 1986 | 45.81 | 46.74 | a | 57.48 | 56.77 | 68.61 | 81.83 | 78.58 | 88.81 | 69.65 | m | 64.81 | 48.17 | a | 38.39 | 61.45 | ||||||||||
| 1987 | 40.29 | 45.61 | 50.81 | 65.47 | 69.74 | 80.30 | 80.90 | 83.39 | 81.30 | 72.03 | 50.87 | 40.00 | a | 63.39 | ||||||||||||
| 1988 | 38.84 | 52.03 | 53.90 | 61.37 | 65.26 | 71.77 | 86.19 | 85.45 | 77.13 | 72.16 | 48.20 | 44.94 | 63.10 | |||||||||||||
| 1989 | 45.19 | 36.11 | 50.61 | 61.67 | 64.65 | 77.10 | 83.29 | j | 77.26 | 74.20 | 60.61 | 52.53 | 43.74 | 58.52 | ||||||||||||
| 1990 | 43.77 | 45.89 | 55.45 | 64.37 | 63.87 | 74.90 | 86.48 | 81.87 | 80.93 | 62.55 | 52.23 | 35.05 | l | 64.76 | ||||||||||||
| 1991 | 42.10 | 54.43 | 49.87 | 56.33 | 61.52 | 68.80 | 85.52 | 88.42 | 82.80 | 66.84 | 48.63 | 42.29 | 62.30 | |||||||||||||
| 1992 | 45.39 | 52.79 | 61.06 | 62.83 | 76.19 | 82.60 | 84.55 | 88.23 | 76.67 | 67.55 | 46.07 | 37.65 | 65.13 | |||||||||||||
| 1993 | 32.29 | 38.75 | 53.84 | 58.23 | 73.35 | 72.53 | 70.97 | 79.32 | 78.70 | 66.65 | 46.03 | 46.50 | q | 60.97 | ||||||||||||
| 1994 | 45.36 | q | 40.25 | 53.65 | 59.30 | 65.26 | 71.50 | 89.45 | 86.84 | 82.40 | 63.68 | 45.30 | 44.42 | 63.82 | ||||||||||||
| 1995 | 42.29 | 52.07 | 54.39 | 57.77 | 67.81 | 71.67 | 83.77 | 81.65 | 78.07 | 61.00 | 52.07 | 38.16 | 61.73 | |||||||||||||
| 1996 | 40.77 | 44.10 | 52.65 | 58.07 | 60.42 | 77.62 | v | 86.55 | 86.81 | 72.57 | 62.68 | 48.20 | 41.14 | c | 59.45 | |||||||||||
| 1997 | 42.10 | 43.38 | b | 52.68 | 56.60 | 72.00 | 74.10 | 83.97 | 87.19 | o | 76.97 | 62.32 | 52.60 | 45.90 | 60.24 | |||||||||||
| 1998 | ----- | z | 46.75 | 53.55 | 61.13 | 63.87 | 72.43 | b | 86.82 | n | 86.94 | 73.86 | w | 56.12 | w | 50.90 | 45.03 | 60.07 | ||||||||
| 1999 | 49.23 | 48.93 | ----- | z | 59.10 | 65.97 | 74.17 | 84.29 | 85.87 | 79.19 | i | 67.78 | d | 58.27 | 45.48 | 63.91 | ||||||||||
| 2000 | 43.74 | l | ----- | z | 55.72 | m | 63.93 | 65.94 | 75.69 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.52 | |||
| 2001 | ----- | z | 47.29 | 55.00 | 55.57 | 75.00 | 73.10 | 83.03 | 87.29 | 79.20 | 64.52 | 52.93 | 42.65 | 65.05 | ||||||||||||
| 2002 | 43.90 | 51.43 | 50.16 | 60.93 | 66.16 | 76.73 | 88.10 | 80.94 | 76.17 | 63.48 | 54.77 | 46.00 | 63.23 | |||||||||||||
| 2003 | 50.83 | y | ----- | z | ----- | z | 58.80 | 69.29 | 81.60 | 95.23 | 88.32 | 80.83 | 71.77 | 49.13 | 46.16 | 71.24 | ||||||||||
| 2004 | 42.29 | 49.59 | 61.97 | 65.73 | 69.00 | g | 78.03 | 88.68 | 84.53 | n | 76.52 | e | 64.71 | 52.37 | 46.94 | 62.68 | ||||||||||
| 2005 | 47.77 | 52.46 | 59.77 | 61.03 | 69.26 | 75.80 | 91.90 | 91.42 | 76.27 | 67.84 | 48.13 | 42.68 | 65.36 | |||||||||||||
| 2006 | 47.71 | 49.18 | 52.35 | 61.57 | 74.48 | 81.77 | 94.42 | 91.42 | 82.93 | 67.74 | 54.90 | 48.75 | g | 68.95 | ||||||||||||
| 2007 | 47.61 | 54.61 | 63.65 | 64.93 | 74.55 | 80.67 | 92.94 | 86.90 | 76.42 | d | 64.23 | 55.70 | 47.58 | 67.48 | ||||||||||||
| 2008 | 47.61 | 53.58 | c | 53.84 | 60.37 | 70.03 | 75.83 | 89.29 | 85.48 | 79.13 | 66.71 | 57.00 | 47.85 | d | 65.56 | |||||||||||
| 2009 | 47.81 | 54.18 | k | 52.58 | 62.90 | 73.23 | 77.60 | 91.26 | 88.42 | 81.73 | 62.10 | k | 53.70 | 33.00 | x | 69.91 | ||||||||||
| 2010 | ----- | z | ----- | z | 53.71 | 55.41 | h | 61.26 | 70.17 | 83.03 | 79.91 | i | 74.63 | 63.71 | 46.67 | 41.81 | 61.87 | |||||||||
| 2011 | 45.16 | 43.82 | 50.74 | 53.10 | 60.52 | 70.37 | 79.32 | 83.68 | 79.43 | 61.87 | 49.67 | 46.23 | 60.33 | |||||||||||||
| 2012 | 46.03 | 44.38 | 51.52 | 60.17 | 65.74 | 69.37 | 83.42 | 85.61 | 74.35 | g | 52.00 | 44.93 | 38.19 | 58.31 | ||||||||||||
| 2013 | 40.06 | 47.29 | 51.23 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.19 | ||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 41.79 | 47.06 | 52.48 | 59.30 | 67.67 | 74.77 | 85.14 | 84.19 | 76.36 | 65.13 | 49.83 | 42.89 | 62.21 | |||||||||||||
| S.D. | 5.43 | 4.30 | 3.65 | 4.00 | 4.12 | 4.19 | 4.44 | 3.60 | 3.85 | 4.95 | 4.14 | 4.23 | 2.10 | |||||||||||||
| SKEW | -1.03 | -0.22 | 0.87 | -0.04 | 0.17 | 0.06 | -0.14 | -0.27 | -0.30 | 0.93 | -0.57 | -0.37 | 0.45 | |||||||||||||
| MAX | 51.77 | 54.61 | 63.65 | 66.70 | 76.19 | 83.03 | 95.23 | 91.42 | 83.21 | 86.65 | 58.27 | 51.61 | 67.48 | |||||||||||||
| MIN | 25.62 | 36.11 | 45.77 | 51.04 | 60.35 | 67.17 | 70.97 | 74.55 | 66.27 | 52.00 | 34.83 | 31.70 | 57.91 | |||||||||||||
| NO YRS | 58 | 60 | 61 | 60 | 60 | 61 | 58 | 58 | 61 | 61 | 63 | 61 | 29 | |||||||||||||