YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.56 | d | 51.67 | 34.10 | 50.11 | i | ||
1928 | 41.90 | 39.90 | 49.84 | 55.97 | 66.19 | 76.67 | 80.58 | 77.23 | 74.87 | 64.45 | 46.17 | 36.29 | 59.17 | |||||||||||||
1929 | 33.19 | 33.50 | 44.84 | 58.13 | 67.68 | 78.47 | 81.39 | 75.68 | 69.07 | 62.06 | 43.77 | 44.90 | 57.72 | |||||||||||||
1930 | 31.77 | 44.79 | 45.77 | 63.27 | 64.80 | a | ----- | z | ----- | z | 78.39 | 73.00 | 64.16 | 46.67 | f | 36.19 | e | 55.79 | c | |||||||
1931 | 37.61 | 41.14 | 46.81 | 58.80 | 65.87 | ----- | z | ----- | z | ----- | z | 68.58 | r | 62.58 | 43.00 | 30.42 | 48.28 | d | ||||||||
1932 | 27.03 | 39.97 | 41.24 | b | 58.50 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.21 | a | 33.00 | 42.82 | f | ||||
1933 | 34.16 | 35.21 | 49.90 | 57.41 | a | 62.86 | b | ----- | z | ----- | z | 82.90 | 77.57 | 65.26 | 54.07 | 43.26 | 56.26 | b | ||||||||
1934 | 42.16 | 47.07 | 58.20 | a | 65.10 | 76.06 | ----- | z | ----- | z | ----- | z | 64.20 | 57.55 | 38.57 | 30.00 | 53.21 | c | ||||||||
1935 | 33.18 | i | 34.48 | a | 39.97 | 50.70 | 55.26 | ----- | z | ----- | z | 69.11 | c | 64.00 | 51.35 | 40.73 | 27.74 | 48.15 | c | |||||||
1936 | 30.38 | j | 33.48 | 45.61 | 60.87 | o | 73.23 | 82.10 | 85.10 | 80.47 | a | 72.48 | a | 61.26 | 51.87 | 38.84 | 62.44 | b | ||||||||
1937 | 28.90 | a | 37.80 | c | 43.94 | 60.43 | 72.35 | ----- | z | ----- | z | 84.60 | a | 77.30 | 64.77 | 52.33 | 38.97 | 56.14 | b | |||||||
1938 | 36.61 | 40.43 | 46.20 | a | 61.30 | 66.11 | d | 80.25 | f | 83.52 | j | 81.58 | l | 73.54 | b | 65.96 | h | 45.13 | 41.50 | a | 51.35 | d | ||||
1939 | 34.90 | 32.50 | 47.74 | 63.04 | d | 72.88 | f | ----- | z | ----- | z | 84.00 | f | 73.45 | a | 63.96 | g | 53.19 | c | 47.58 | 50.34 | e | ||||
1940 | 34.90 | 38.50 | a | 49.97 | a | 59.11 | c | ----- | z | ----- | z | ----- | z | 79.06 | o | 73.00 | 64.57 | c | 45.77 | 38.48 | 50.54 | d | ||||
1941 | 35.10 | 42.43 | 44.96 | c | 49.86 | b | 68.28 | b | 66.54 | q | ----- | z | ----- | z | 70.56 | l | 59.44 | f | 50.67 | 38.23 | 47.07 | e | ||||
1942 | 36.80 | a | 37.18 | 42.36 | c | 57.60 | 69.11 | c | ----- | z | ----- | z | ----- | z | ----- | z | 63.71 | 54.57 | 39.68 | 50.12 | d | |||||
1943 | 40.97 | a | 45.61 | e | 49.20 | a | 67.70 | 72.97 | a | 79.90 | a | 85.48 | 86.82 | c | 78.37 | 71.24 | n | 52.73 | h | 38.79 | c | 64.58 | b | |||
1944 | 40.16 | 44.83 | 42.71 | 54.97 | 68.87 | 80.50 | 81.55 | 82.23 | 76.90 | 66.47 | a | 55.20 | 43.00 | a | 61.45 | |||||||||||
1945 | 41.68 | 44.14 | 55.04 | c | 60.04 | b | 71.87 | 75.17 | 82.39 | 80.87 | 74.93 | a | 64.10 | 51.33 | 35.37 | a | 61.41 | |||||||||
1946 | 36.29 | 41.46 | 52.16 | 64.00 | a | 67.19 | 81.37 | 83.45 | 79.13 | 77.76 | a | 58.13 | 44.43 | 45.68 | 60.92 | |||||||||||
1947 | 33.03 | 42.18 | 47.65 | 56.27 | 69.68 | 74.07 | 82.13 | 77.57 | h | 74.83 | 63.90 | 41.30 | 35.94 | 56.45 | a | |||||||||||
1948 | 36.48 | 37.07 | b | 38.16 | 58.83 | 66.83 | b | 74.87 | 83.06 | 81.52 | 78.77 | 63.94 | 42.52 | a | 37.23 | a | 58.27 | |||||||||
1949 | 30.26 | 34.14 | 44.84 | 58.07 | 64.32 | 73.43 | 79.97 | 82.65 | h | 76.70 | 60.19 | 56.50 | 39.74 | 56.20 | a | |||||||||||
1950 | 39.00 | d | 45.71 | 50.03 | 63.23 | 69.84 | 81.00 | a | 79.74 | 80.97 | 70.70 | ----- | z | ----- | z | ----- | z | 64.47 | c | |||||||
1951 | ----- | z | ----- | z | 45.86 | x | ----- | z | ----- | z | 82.50 | n | 91.19 | 86.77 | 80.30 | 64.58 | 46.50 | 36.29 | 67.61 | f | ||||||
1952 | 40.97 | 39.34 | 44.26 | 60.27 | 70.97 | 83.93 | 84.87 | 83.48 | 79.93 | 73.10 | 48.70 | 38.19 | 62.33 | |||||||||||||
1953 | 43.42 | 41.89 | 51.00 | 59.70 | 66.00 | 85.10 | 86.29 | 85.14 | i | 80.10 | 65.16 | 52.83 | 35.58 | 60.64 | a | |||||||||||
1954 | 41.13 | 50.93 | 47.70 | a | 67.33 | 70.58 | 81.50 | 84.87 | 81.77 | 77.70 | 68.06 | 54.60 | 43.00 | 64.10 | ||||||||||||
1955 | 36.81 | 37.54 | 49.48 | 58.80 | 67.29 | 79.20 | 83.97 | 81.32 | 78.47 | 67.61 | 50.53 | 40.42 | 60.95 | |||||||||||||
1956 | 43.26 | 38.69 | 52.77 | 60.80 | 75.61 | 84.53 | 85.77 | 82.61 | 83.37 | 67.74 | 49.43 | 43.35 | 64.00 | |||||||||||||
1957 | 37.45 | 46.82 | 47.26 | 55.50 | 60.65 | 77.63 | 80.68 | 77.90 | 76.27 | 60.10 | 40.83 | 41.52 | 58.55 | |||||||||||||
1958 | 39.81 | 45.14 | 40.77 | 54.67 | 73.23 | 82.73 | 84.45 | 83.23 | 74.73 | 65.35 | 54.37 | 48.10 | 62.21 | |||||||||||||
1959 | 42.32 | 41.15 | a | 50.43 | a | 60.13 | 68.90 | 81.50 | 84.13 | 79.48 | 74.38 | a | 61.35 | 52.03 | 44.35 | 61.68 | ||||||||||
1960 | 38.23 | r | 36.62 | 50.52 | 59.70 | 67.03 | 78.77 | 84.60 | a | 84.35 | 78.47 | 61.35 | 50.97 | 36.87 | 62.66 | a | ||||||||||
1961 | 39.94 | 43.33 | a | 45.42 | 58.62 | a | 71.77 | 82.97 | 84.00 | 80.16 | 68.73 | 63.10 | 42.87 | 35.13 | 59.67 | |||||||||||
1962 | 35.23 | a | 41.41 | a | 42.55 | 64.69 | a | 71.10 | a | 80.37 | 84.16 | 84.42 | 73.43 | 64.84 | 52.03 | 43.53 | a | 61.48 | ||||||||
1963 | 32.97 | 45.43 | 47.61 | 60.40 | 75.84 | 82.87 | 88.35 | 80.26 | 77.23 | 68.29 | 52.70 | 42.03 | 62.83 | |||||||||||||
1964 | 36.29 | 34.59 | 42.55 | 55.10 | 71.16 | 79.07 | a | 86.16 | 78.52 | 72.24 | a | 67.52 | 47.20 | 35.06 | 58.79 | |||||||||||
1965 | 35.32 | 39.64 | 41.90 | 58.60 | 66.26 | 75.53 | 83.35 | 79.77 | 69.00 | 67.58 | 52.45 | a | 41.07 | c | 59.21 | |||||||||||
1966 | 34.19 | 35.96 | 52.90 | 63.53 | 75.65 | 80.03 | 85.88 | n | 82.27 | e | 75.62 | d | ----- | z | ----- | z | ----- | z | 62.52 | d | ||||||
1967 | 43.15 | r | 41.10 | r | ----- | z | 57.86 | w | 65.13 | a | 71.63 | 80.39 | 76.58 | 70.03 | 65.55 | 54.53 | 37.07 | a | 65.11 | d | ||||||
1968 | 40.13 | 44.55 | 49.41 | b | ----- | z | ----- | z | ----- | z | 79.68 | 73.66 | b | 72.65 | j | ----- | z | ----- | z | ----- | z | 57.49 | g | |||
1969 | ----- | z | ----- | z | 50.42 | s | 61.67 | 71.39 | 74.40 | 82.26 | 81.97 | 73.37 | 56.84 | 48.77 | 42.10 | 65.86 | c | |||||||||
1970 | 38.87 | 48.71 | 46.03 | 54.87 | 70.74 | 75.73 | 82.55 | b | 81.94 | 72.10 | 57.60 | a | 50.43 | 42.16 | 60.15 | |||||||||||
1971 | 40.97 | 41.43 | 51.71 | 58.93 | 66.39 | 79.83 | a | 82.26 | 78.10 | 72.47 | 59.81 | 48.53 | 36.10 | 59.71 | ||||||||||||
1972 | 38.42 | 44.93 | 58.71 | 62.77 | 71.00 | 78.60 | 85.10 | 80.81 | 73.13 | 60.68 | 40.80 | 38.10 | 61.09 | |||||||||||||
1973 | 36.43 | c | 43.57 | 44.97 | 52.75 | b | 66.23 | 76.67 | 81.45 | 81.19 | 72.37 | 65.26 | 51.20 | 38.90 | 59.25 | |||||||||||
1974 | 35.81 | 41.82 | 52.74 | 59.63 | 73.97 | 81.70 | 81.19 | 77.77 | 74.23 | 63.10 | 49.03 | 37.33 | a | 60.69 | ||||||||||||
1975 | 35.77 | a | 40.36 | 45.74 | 54.33 | 66.48 | 77.03 | 80.03 | 79.16 | 71.67 | 66.97 | 49.40 | 40.07 | c | 58.92 | |||||||||||
1976 | 38.94 | 44.33 | k | 50.65 | 60.17 | 69.42 | 78.50 | 84.58 | 78.42 | 72.20 | 62.41 | b | 52.68 | b | 43.00 | b | 62.81 | a | ||||||||
1977 | 36.88 | f | 44.21 | 49.34 | b | 63.47 | 69.28 | b | 82.17 | 81.84 | 81.79 | b | 74.79 | b | 66.11 | d | 51.60 | 43.65 | 64.39 | a | ||||||
1978 | 38.47 | a | 41.07 | a | 51.67 | a | 61.76 | a | 64.38 | b | 79.33 | 85.07 | c | 83.15 | k | 76.50 | b | 66.62 | g | 50.55 | j | 34.93 | c | 59.24 | c | |
1979 | 31.64 | f | 41.78 | e | 47.12 | f | 57.38 | f | 66.57 | c | 75.96 | b | 83.41 | b | 80.93 | b | 79.83 | a | 71.35 | h | 45.04 | e | 46.59 | n | 67.65 | e |
1980 | 38.48 | j | 45.62 | h | 44.50 | k | 56.33 | i | ----- | z | 81.91 | g | 86.44 | f | 81.72 | m | 77.19 | n | 64.12 | o | 54.56 | u | ----- | z | ----- | z |
1981 | 52.47 | p | 50.79 | n | 49.12 | n | 64.00 | r | ----- | z | 79.25 | r | 81.09 | i | 79.65 | n | 73.74 | k | 63.71 | q | 58.08 | q | 48.95 | l | ----- | z |
1982 | 37.44 | m | 40.14 | g | 48.33 | j | 57.59 | m | 66.67 | v | 78.55 | h | 82.95 | l | 80.00 | p | 71.61 | l | 61.88 | o | 51.40 | o | 40.06 | n | ----- | z |
1983 | 43.14 | q | 44.11 | i | 47.29 | j | 55.17 | r | 65.18 | n | 75.68 | h | 84.50 | k | 83.85 | k | 78.21 | k | 65.81 | j | 42.46 | b | 34.41 | d | 38.44 | j |
1984 | 36.39 | h | 40.41 | 47.26 | 55.00 | a | 70.48 | b | 74.52 | a | 82.03 | 80.13 | 75.07 | 52.68 | 50.37 | k | 40.17 | a | 61.77 | b | ||||||
1985 | 36.61 | 38.61 | 47.26 | 60.45 | a | 64.83 | b | 77.23 | 81.16 | 81.00 | 68.80 | 62.10 | a | 45.52 | a | 39.23 | e | 58.57 | ||||||||
1986 | 46.19 | 43.68 | 54.32 | 56.40 | 64.79 | c | 75.30 | 78.58 | 80.06 | 66.45 | a | 58.43 | a | 48.83 | a | 41.90 | 59.58 | |||||||||
1987 | 39.71 | 42.96 | 48.45 | 61.70 | 64.81 | 78.70 | 84.20 | a | 78.43 | h | 74.60 | e | 67.18 | i | 50.71 | p | 39.88 | g | 61.89 | d | ||||||
1988 | 33.55 | b | 44.28 | d | 47.19 | e | 61.26 | g | 68.08 | e | 78.79 | k | 82.90 | 78.86 | j | ----- | z | 70.00 | e | 49.64 | b | 40.40 | a | 54.51 | d | |
1989 | 39.17 | b | 43.00 | 56.59 | b | 66.90 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.87 | 53.17 | 43.03 | 49.47 | f | ||||
1990 | 39.32 | 43.50 | 50.71 | 58.97 | a | 65.79 | b | 81.57 | 78.16 | 77.81 | 74.90 | 61.35 | 49.37 | 36.25 | c | 59.81 | ||||||||||
1991 | 38.03 | 49.37 | a | 44.52 | b | 56.27 | 67.68 | 74.13 | 81.52 | 78.61 | 71.67 | 64.29 | 42.53 | 39.48 | 59.01 | |||||||||||
1992 | 39.52 | 43.07 | 48.35 | 62.83 | 67.26 | h | 74.10 | 78.65 | 77.90 | 73.50 | 64.90 | 40.47 | 35.87 | a | 58.11 | a | ||||||||||
1993 | 39.57 | a | 40.61 | 50.42 | 58.33 | 66.23 | 75.30 | 81.77 | 76.45 | 71.70 | 59.42 | 45.25 | b | 40.45 | 58.79 | |||||||||||
1994 | 41.23 | 40.71 | 51.81 | 58.07 | a | 67.19 | 81.33 | 83.84 | 82.03 | 72.93 | 58.97 | 45.10 | a | 43.06 | 60.52 | |||||||||||
1995 | 38.57 | a | 49.81 | b | 50.40 | a | 54.07 | 62.03 | a | 74.63 | 81.42 | 83.23 | 71.97 | 65.00 | 54.13 | 42.71 | 60.66 | |||||||||
1996 | 40.27 | a | 48.85 | b | 50.94 | 59.73 | 74.35 | 80.60 | 83.03 | 81.65 | 70.23 | 62.24 | b | 50.00 | 39.29 | 61.77 | ||||||||||
1997 | 37.03 | 42.89 | 56.50 | a | 54.83 | a | 67.55 | 76.43 | 81.16 | 78.29 | 74.50 | 63.13 | a | 47.45 | a | 38.63 | a | 59.87 | ||||||||
1998 | 40.00 | 37.54 | 48.71 | c | 53.30 | c | 68.60 | a | 76.28 | a | 82.37 | a | 80.35 | 77.37 | 59.39 | 50.83 | 44.03 | a | 59.90 | |||||||
1999 | 44.87 | 47.07 | 55.48 | 53.37 | 64.48 | 75.80 | 78.10 | 76.71 | 70.57 | 67.39 | 59.37 | 42.29 | 61.29 | |||||||||||||
2000 | 41.58 | 45.54 | a | 50.47 | a | ----- | z | 73.00 | 79.83 | 85.13 | 84.32 | 77.37 | 60.26 | 40.33 | 40.39 | 61.66 | a | |||||||||
2001 | 37.55 | 43.81 | b | 48.81 | 59.31 | a | 70.29 | 80.83 | 83.68 | 79.13 | 77.87 | 65.61 | 52.10 | a | 38.84 | 61.49 | ||||||||||
2002 | 38.61 | 43.68 | 50.50 | a | 64.10 | a | 71.84 | 84.77 | 86.06 | 83.03 | a | 71.30 | 58.35 | 49.10 | a | 38.19 | 61.63 | |||||||||
2003 | 46.97 | 40.29 | 49.19 | 59.23 | 69.74 | 77.47 | 89.00 | 82.84 | 73.87 | 66.58 | 46.62 | a | 41.47 | a | 61.94 | |||||||||||
2004 | 39.93 | a | 40.03 | 57.48 | 56.97 | 70.26 | 79.73 | 83.20 | a | 80.71 | 72.10 | 58.16 | 47.66 | a | 40.87 | 60.59 | ||||||||||
2005 | 42.76 | b | 40.54 | 46.20 | a | 59.00 | a | 68.32 | 76.23 | 87.32 | 80.26 | 74.63 | 61.65 | 52.60 | 42.10 | a | 60.97 | |||||||||
2006 | 41.90 | 47.00 | 47.39 | 61.83 | 73.19 | 82.41 | a | 82.58 | 77.61 | 67.17 | 59.19 | 52.48 | a | 41.17 | a | 61.16 | ||||||||||
2007 | 40.21 | b | 42.82 | 54.63 | a | 58.00 | 65.94 | 78.66 | a | 84.35 | 83.32 | 73.90 | 64.58 | 55.93 | 35.23 | 61.46 | ||||||||||
2008 | 33.77 | a | 40.34 | 48.68 | 58.52 | a | 66.60 | a | 77.87 | 81.87 | 81.42 | 73.77 | 63.90 | 52.59 | a | 38.00 | b | 59.78 | ||||||||
2009 | 41.63 | a | 46.04 | 51.38 | b | 57.33 | 69.23 | a | 71.87 | 83.43 | a | 81.32 | 72.83 | 58.06 | 55.18 | b | 35.34 | b | 60.30 | |||||||
2010 | 39.97 | a | ----- | z | 46.80 | a | 58.44 | c | 66.58 | 80.43 | 82.57 | a | 79.16 | 77.70 | 63.82 | c | 48.00 | a | 42.55 | 62.37 | a | |||||
2011 | 41.20 | k | 39.41 | a | 53.29 | 58.07 | a | 63.35 | 79.93 | 85.42 | 84.90 | 72.67 | 61.80 | a | 47.14 | a | 38.42 | 62.22 | a | |||||||
2012 | 47.89 | v | 49.83 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.20 | 41.74 | 48.67 | 58.95 | 68.46 | 78.61 | 83.11 | 80.47 | 74.02 | 62.95 | 49.11 | 39.31 | 60.54 | |||||||||||||
S.D. | 3.79 | 4.09 | 4.33 | 3.57 | 3.79 | 3.25 | 2.53 | 2.97 | 3.69 | 3.80 | 4.72 | 3.82 | 1.44 | |||||||||||||
SKEW | -0.41 | -0.14 | 0.07 | -0.02 | -0.31 | -0.06 | 0.45 | -0.75 | -0.29 | -0.41 | -0.31 | -0.38 | 0.34 | |||||||||||||
MAX | 46.97 | 50.93 | 58.71 | 67.70 | 76.06 | 85.10 | 91.19 | 86.82 | 83.37 | 73.10 | 59.37 | 48.10 | 64.10 | |||||||||||||
MIN | 27.03 | 32.50 | 38.16 | 49.86 | 55.26 | 71.63 | 78.10 | 69.11 | 64.00 | 51.35 | 38.57 | 27.74 | 57.72 | |||||||||||||
YRS | 70 | 75 | 76 | 72 | 73 | 64 | 66 | 65 | 73 | 70 | 74 | 77 | 44 |