YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.26 | 74.83 | 61.71 | 60.80 | 47.71 | 65.26 | g | |||||
1942 | 50.23 | 49.11 | 55.84 | 56.13 | 66.39 | 78.80 | 85.48 | 83.80 | a | 79.03 | 68.94 | 62.17 | 56.74 | 66.05 | ||||||||||||
1943 | 50.16 | 53.57 | 56.77 | 64.70 | 74.00 | 72.10 | 82.35 | 80.94 | 82.34 | a | 69.63 | a | 60.73 | 46.35 | 66.14 | |||||||||||
1944 | 46.45 | 43.24 | 52.59 | b | 57.97 | 67.16 | 68.57 | 79.48 | 84.55 | 81.20 | 68.94 | 50.27 | 52.03 | 62.70 | ||||||||||||
1945 | 50.26 | 50.18 | 48.87 | 64.63 | 66.71 | 77.73 | 85.71 | 83.03 | 78.70 | 67.32 | 57.63 | 49.74 | 65.04 | |||||||||||||
1946 | 50.29 | 50.29 | 52.84 | 65.23 | 66.52 | 77.00 | 81.84 | 82.17 | a | 78.73 | 59.94 | 49.57 | 51.52 | 63.83 | ||||||||||||
1947 | 48.77 | 55.43 | 56.94 | 62.40 | 71.26 | 73.67 | 83.48 | 80.90 | 80.31 | a | 67.30 | a | 49.17 | 43.55 | 64.43 | |||||||||||
1948 | 51.87 | a | 45.14 | 47.43 | a | 55.87 | 66.83 | a | ----- | z | 80.90 | 81.97 | 79.53 | 66.94 | 59.40 | 48.13 | 62.18 | a | ||||||||
1949 | 38.32 | 47.00 | 50.32 | 65.20 | 64.77 | 78.53 | 81.19 | 80.06 | 81.43 | 65.35 | 65.70 | 50.32 | 64.02 | |||||||||||||
1950 | 46.71 | 56.89 | 59.87 | a | 68.03 | 70.50 | a | 77.47 | 82.26 | 84.81 | 74.37 | 72.32 | 63.43 | 61.32 | 68.16 | |||||||||||
1951 | 50.45 | 55.07 | 57.94 | 60.13 | 69.10 | 74.33 | 80.90 | 80.10 | 81.17 | 67.16 | 52.30 | 43.58 | 64.35 | |||||||||||||
1952 | 41.23 | a | 48.28 | 43.97 | 58.57 | 71.32 | 68.83 | 80.90 | 81.23 | 79.57 | 74.19 | 47.53 | 42.03 | 61.47 | ||||||||||||
1953 | 52.10 | 52.00 | 55.35 | 58.03 | 59.26 | 71.33 | 83.58 | 80.16 | 80.00 | 67.06 | 56.59 | a | 48.84 | 63.69 | ||||||||||||
1954 | 45.61 | 57.41 | a | 49.45 | 64.93 | 72.29 | 73.87 | 82.39 | 75.81 | 78.57 | 69.81 | 56.77 | 46.42 | 64.44 | ||||||||||||
1955 | 38.06 | 45.86 | 56.03 | 57.03 | 63.06 | 72.93 | a | 76.58 | 80.74 | 79.69 | a | 71.52 | 54.45 | a | 48.48 | 62.04 | ||||||||||
1956 | 50.70 | a | 46.38 | 60.34 | b | 56.52 | a | 64.26 | 75.60 | 77.61 | 77.94 | 81.43 | 63.52 | 56.83 | 49.58 | 63.39 | ||||||||||
1957 | 39.65 | 54.50 | 55.57 | a | 57.73 | 59.13 | 77.00 | a | 80.77 | 78.10 | 75.10 | 58.71 | 48.97 | 49.39 | 61.22 | |||||||||||
1958 | 47.58 | 52.00 | 44.61 | 58.40 | 69.13 | 71.33 | 77.26 | 81.45 | 78.47 | 71.65 | 53.90 | 55.19 | 63.41 | |||||||||||||
1959 | 50.55 | 44.52 | a | 60.39 | 65.50 | 63.00 | 77.07 | 83.84 | 78.30 | a | 73.13 | 72.45 | 56.67 | 48.03 | 64.45 | |||||||||||
1960 | 40.19 | 46.69 | 61.53 | a | 61.90 | 67.16 | 79.50 | 81.84 | 80.13 | 78.97 | 66.03 | a | 51.30 | 46.32 | 63.46 | |||||||||||
1961 | 49.52 | 52.61 | 55.23 | 62.53 | 61.58 | 78.00 | 83.00 | 78.55 | 72.70 | 66.16 | 50.72 | a | 43.71 | 62.86 | ||||||||||||
1962 | 44.90 | 43.14 | 47.43 | a | 67.90 | 59.13 | a | 74.50 | 79.35 | 82.87 | 80.00 | 68.84 | 57.83 | 49.71 | 62.97 | |||||||||||
1963 | 44.42 | 58.46 | 52.81 | 51.63 | 66.39 | 66.77 | 79.10 | 77.71 | 78.27 | 66.52 | 51.40 | 48.55 | 61.83 | |||||||||||||
1964 | 44.19 | 48.52 | 50.71 | 55.33 | 61.32 | 70.73 | 80.26 | 79.48 | 76.30 | 73.23 | 47.07 | 46.61 | 61.15 | |||||||||||||
1965 | 48.26 | 52.75 | 50.74 | 53.27 | 62.52 | 67.43 | 77.94 | 79.65 | 69.73 | 74.97 | 53.70 | 43.90 | 61.24 | |||||||||||||
1966 | 43.45 | 45.82 | 58.90 | 64.31 | a | 66.39 | 73.47 | 78.39 | 80.55 | 76.10 | 68.16 | 53.70 | 46.13 | 62.95 | ||||||||||||
1967 | 47.68 | 52.54 | 52.35 | 45.53 | 65.10 | 71.07 | 84.00 | 85.10 | 74.60 | 69.35 | 57.47 | 39.13 | 61.99 | |||||||||||||
1968 | 44.71 | 53.38 | 54.29 | 59.73 | 67.45 | 77.40 | 80.42 | 77.39 | 77.87 | 66.87 | 53.37 | 44.94 | 63.15 | |||||||||||||
1969 | 46.90 | a | 40.25 | d | 51.10 | 60.47 | 69.23 | 72.20 | 80.94 | 85.61 | 78.83 | 61.55 | 52.27 | 50.67 | a | 62.50 | ||||||||||
1970 | 48.71 | 51.32 | 52.71 | 57.04 | b | 72.60 | a | 77.87 | 85.45 | 84.16 | 76.97 | 62.84 | 54.43 | 42.32 | 63.87 | |||||||||||
1971 | 46.81 | 48.96 | 57.45 | 57.63 | 60.90 | 72.50 | 82.74 | 80.07 | b | 75.37 | 61.48 | 54.10 | 37.58 | 61.30 | ||||||||||||
1972 | 43.97 | 50.83 | 64.77 | 62.43 | 67.93 | a | 74.17 | 85.32 | 80.55 | 73.07 | 57.32 | 47.87 | 42.03 | 62.52 | ||||||||||||
1973 | 40.52 | 43.61 | 45.35 | 58.47 | 73.19 | 80.90 | 82.26 | 81.13 | 76.07 | 65.58 | 50.27 | 49.29 | 62.22 | |||||||||||||
1974 | 41.42 | 48.32 | 52.29 | 60.87 | 69.19 | 80.67 | 80.52 | 80.27 | a | 80.30 | 63.32 | 53.63 | 44.37 | a | 62.93 | |||||||||||
1975 | 48.00 | 46.36 | 49.10 | 48.10 | 67.52 | 74.63 | 80.26 | 80.13 | 78.77 | 63.45 | 52.83 | 48.16 | 61.44 | |||||||||||||
1976 | 50.26 | 47.79 | 52.10 | a | 56.30 | 70.03 | 75.67 | 80.42 | 76.45 | 70.33 | 63.74 | 56.73 | 48.90 | a | 62.39 | |||||||||||
1977 | 43.00 | 50.68 | 48.42 | 64.30 | 56.81 | 76.90 | 82.71 | 80.90 | 73.80 | 69.16 | 57.76 | a | 52.61 | 63.09 | ||||||||||||
1978 | 45.77 | 46.32 | 55.55 | 53.97 | 68.97 | 78.30 | 82.52 | 80.32 | 73.97 | 69.61 | 47.90 | 40.94 | 62.01 | |||||||||||||
1979 | 39.81 | 44.04 | 48.26 | 60.37 | 68.74 | 80.20 | 82.57 | a | 78.39 | 81.63 | 66.00 | 51.07 | 49.84 | 62.58 | ||||||||||||
1980 | 46.03 | 50.03 | 49.29 | 60.14 | b | 58.42 | 74.10 | 84.42 | ----- | z | 77.93 | ----- | z | 58.14 | a | 53.13 | 61.16 | b | ||||||||
1981 | 48.61 | 50.21 | 50.48 | 63.43 | 66.90 | 83.17 | 81.19 | 85.19 | 77.70 | 60.39 | 56.07 | a | 51.58 | 64.58 | ||||||||||||
1982 | 42.32 | 49.36 | 47.67 | a | 56.15 | d | 68.35 | e | 72.75 | b | 80.03 | 80.79 | c | 72.97 | a | 59.54 | g | 47.47 | 46.28 | b | 60.37 | a | ||||
1983 | 47.13 | 47.29 | 47.87 | a | 49.24 | a | 68.38 | b | 73.20 | 80.42 | 79.70 | a | 75.86 | a | 62.04 | d | 50.00 | a | 47.42 | 60.71 | ||||||
1984 | 48.84 | 49.79 | 57.81 | 60.25 | b | 77.03 | 74.87 | ----- | z | 81.26 | 77.79 | a | 60.00 | 48.83 | a | 40.32 | 61.53 | a | ||||||||
1985 | 42.77 | a | 47.43 | 50.63 | a | ----- | z | 66.57 | a | 79.97 | a | 83.86 | b | 81.81 | 68.38 | a | 62.57 | a | 48.89 | b | 46.65 | 61.77 | a | |||
1986 | 51.39 | c | 48.61 | 56.80 | a | 59.72 | a | 69.55 | b | 79.16 | e | 77.86 | b | 84.03 | 66.53 | 61.13 | 54.07 | 46.48 | 62.95 | |||||||
1987 | 43.90 | a | 46.18 | 50.27 | a | 68.04 | c | 65.55 | 77.57 | 77.03 | 80.55 | 76.76 | a | 67.34 | b | 50.57 | 40.77 | a | 62.04 | |||||||
1988 | 44.76 | b | 50.41 | 58.42 | 59.83 | a | 67.68 | 75.69 | a | 82.35 | 80.10 | 77.31 | a | 71.29 | 52.86 | b | 43.19 | 63.66 | ||||||||
1989 | 42.53 | a | 46.56 | c | 61.36 | c | 70.77 | 68.48 | 76.87 | 84.35 | 77.97 | 77.03 | 63.57 | a | 55.77 | 50.27 | a | 64.63 | ||||||||
1990 | 44.90 | b | 44.07 | 54.35 | 61.41 | c | 65.34 | b | 78.40 | 81.70 | a | 78.81 | 76.93 | 68.79 | b | 54.15 | c | 42.33 | a | 62.60 | ||||||
1991 | 47.03 | 55.67 | a | 45.96 | c | 62.96 | c | 66.10 | b | 71.40 | 80.70 | a | 79.90 | a | 78.63 | 68.26 | 55.03 | a | 45.33 | a | 63.08 | |||||
1992 | 43.66 | b | 47.52 | 48.70 | a | 67.45 | a | 71.17 | a | 73.41 | a | 78.83 | a | 83.48 | 79.27 | 67.86 | b | 50.97 | 40.16 | 62.71 | ||||||
1993 | 43.32 | 42.52 | a | 57.00 | 65.53 | 69.63 | a | 76.20 | 77.17 | a | 81.00 | b | 78.50 | 64.81 | 51.50 | 45.23 | 62.70 | |||||||||
1994 | 49.55 | 43.37 | a | 55.73 | a | 61.61 | b | 67.63 | a | 82.03 | 83.69 | b | 85.74 | ----- | z | 62.03 | 44.77 | 44.68 | 61.89 | a | ||||||
1995 | 41.79 | b | 54.78 | a | 53.14 | b | 58.97 | a | 60.10 | 75.52 | a | 84.00 | 85.39 | 79.80 | e | 68.52 | 61.69 | a | 49.29 | 64.41 | ||||||
1996 | 48.93 | a | 50.22 | b | 56.17 | a | 67.20 | 72.06 | 79.90 | 85.55 | 86.41 | b | 77.45 | a | 64.77 | 53.23 | 46.41 | b | 65.69 | |||||||
1997 | 43.63 | a | 49.00 | d | 64.24 | b | ----- | z | ----- | z | ----- | z | ----- | z | 83.07 | b | 77.00 | a | 66.00 | h | 59.77 | d | 45.81 | j | 62.79 | f |
1998 | 50.00 | i | 40.88 | k | 50.27 | a | 53.48 | e | 56.04 | e | 70.07 | a | 86.38 | b | 87.93 | b | 72.44 | c | 62.14 | c | 49.52 | a | 42.61 | 63.09 | b | |
1999 | 46.68 | 46.75 | 52.48 | 52.57 | b | 68.20 | a | 75.14 | b | 82.44 | d | 85.17 | a | 80.69 | d | 71.50 | a | 57.45 | a | 47.41 | b | 63.87 | ||||
2000 | 49.81 | 49.23 | c | 54.50 | g | 67.69 | a | 77.60 | a | 86.15 | c | 88.13 | a | 83.07 | d | 74.45 | a | 61.13 | a | 49.85 | c | 52.12 | e | 67.20 | a | |
2001 | 43.00 | d | 42.87 | e | 58.05 | l | 57.21 | f | 81.56 | d | 84.57 | i | 83.65 | 85.81 | d | 75.56 | e | 67.25 | c | 54.35 | d | 41.42 | e | 63.94 | c | |
2002 | 46.25 | c | 48.36 | c | 51.42 | l | 59.32 | h | 70.50 | s | 82.86 | a | 85.96 | g | 81.90 | a | 74.93 | 60.20 | a | 54.00 | d | 41.00 | 61.19 | d | ||
2003 | 51.28 | b | 43.61 | 50.69 | e | 50.45 | h | 71.16 | l | 78.23 | 84.03 | b | 81.64 | c | 78.34 | a | 69.76 | j | 45.43 | p | 42.63 | a | 63.81 | d | ||
2004 | 43.13 | h | 43.16 | d | 58.90 | k | 61.86 | b | 70.29 | c | 76.89 | u | 83.82 | t | 82.33 | g | 74.65 | g | 58.37 | a | 45.15 | j | 40.75 | o | 58.42 | h |
2005 | 43.15 | d | 43.45 | f | 50.17 | b | 60.39 | g | 68.41 | b | 75.19 | d | 85.50 | a | 80.71 | c | 72.65 | d | 63.87 | a | 55.87 | 49.26 | 64.48 | b | ||
2006 | 46.27 | a | 49.39 | 40.88 | f | 53.26 | c | 73.34 | b | 81.30 | 83.83 | a | 78.55 | 73.90 | a | 60.35 | 55.32 | b | 44.55 | 63.64 | a | |||||
2007 | 42.00 | f | 45.54 | 56.37 | a | 60.81 | c | 71.09 | t | 79.31 | d | 84.39 | h | 83.04 | c | 73.89 | b | 62.04 | g | 57.00 | h | 43.07 | d | 63.15 | e | |
2008 | 38.79 | c | 46.20 | n | 53.00 | e | 59.15 | j | 65.00 | o | 83.00 | v | ----- | z | 83.80 | p | 77.41 | m | 65.80 | u | 56.79 | p | 41.73 | t | 45.89 | j |
2009 | 46.44 | v | 52.56 | s | 56.20 | a | 60.17 | r | 75.37 | a | 69.88 | n | 86.63 | d | 84.17 | g | 81.56 | l | 64.58 | s | 59.89 | l | 44.68 | i | 72.73 | i |
2010 | 44.29 | j | 47.00 | i | 49.80 | u | 56.32 | e | 64.70 | h | 74.57 | w | 87.00 | j | 82.67 | p | ----- | z | ----- | z | ----- | z | ----- | z | 56.32 | k |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 45.90 | 48.77 | 53.35 | 59.96 | 67.41 | 75.83 | 81.94 | 81.38 | 76.83 | 65.92 | 53.88 | 46.74 | 63.22 | |||||||||||||
S.D. | 3.70 | 4.08 | 4.74 | 5.26 | 4.98 | 3.99 | 2.64 | 2.61 | 3.33 | 4.24 | 4.37 | 4.42 | 1.46 | |||||||||||||
SKEW | -0.26 | 0.31 | 0.25 | -0.36 | 0.02 | -0.02 | -0.06 | 0.32 | -0.79 | 0.04 | 0.39 | 0.51 | 0.88 | |||||||||||||
MAX | 52.10 | 58.46 | 64.77 | 70.77 | 81.56 | 86.15 | 88.13 | 87.93 | 82.34 | 74.97 | 65.70 | 61.32 | 68.16 | |||||||||||||
MIN | 38.06 | 40.25 | 43.97 | 45.53 | 56.04 | 66.77 | 76.58 | 75.81 | 66.53 | 57.32 | 44.77 | 37.58 | 60.71 | |||||||||||||
YRS | 64 | 64 | 63 | 61 | 63 | 62 | 62 | 65 | 65 | 62 | 64 | 65 | 50 |