YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 89.13 | 97.61 | 89.61 | 79.07 | 74.81 | 57.90 | 46.03 | 76.31 | e | |||||||
1935 | 51.90 | 50.46 | 58.23 | 60.73 | 61.84 | 80.73 | 93.84 | 90.55 | 78.97 | 66.68 | 47.67 | 41.65 | 65.27 | |||||||||||||
1936 | 40.35 | 37.72 | 58.06 | 65.13 | 74.03 | 86.30 | 93.71 | 89.97 | 78.80 | 61.94 | 54.87 | 44.97 | 65.49 | |||||||||||||
1937 | 29.26 | 45.07 | 46.68 | 62.70 | 74.48 | 79.43 | 92.32 | 91.74 | 80.07 | 67.97 | 50.77 | 40.90 | 63.45 | |||||||||||||
1938 | 43.16 | 48.29 | 56.65 | 63.20 | 69.97 | 84.33 | 90.29 | 91.19 | 80.23 | 73.42 | 49.30 | 43.39 | 66.12 | |||||||||||||
1939 | 42.94 | 36.86 | 50.39 | 63.23 | 76.57 | a | 84.23 | 92.61 | 88.35 | 83.50 | 69.42 | 55.57 | 51.55 | 66.27 | ||||||||||||
1940 | 28.65 | 45.14 | 53.10 | 62.00 | 73.77 | 86.10 | 92.00 | 85.87 | 79.07 | 72.35 | 49.63 | 45.45 | 64.43 | |||||||||||||
1941 | 42.61 | 43.75 | 47.16 | 57.90 | 73.42 | 79.37 | 87.42 | 88.48 | 78.37 | 62.68 | 57.53 | 44.71 | 63.62 | |||||||||||||
1942 | 34.10 | 34.86 | ----- | z | 68.00 | 72.16 | 77.83 | 89.19 | 84.00 | 76.23 | 65.71 | 58.03 | 46.13 | 64.20 | a | |||||||||||
1943 | 45.81 | 55.14 | 52.39 | 69.37 | 67.00 | 81.97 | 91.00 | 91.26 | 81.00 | 69.84 | 56.57 | 44.74 | 67.17 | |||||||||||||
1944 | 44.19 | 42.28 | 47.65 | 52.83 | 74.13 | 82.27 | 85.06 | 87.77 | 81.00 | 69.77 | 54.23 | 40.39 | 63.46 | |||||||||||||
1945 | 43.57 | a | 44.93 | a | 62.00 | 58.70 | 72.52 | 74.83 | 90.19 | 87.58 | 77.45 | a | 71.45 | 59.33 | 44.35 | 65.58 | ||||||||||
1946 | 47.35 | 54.50 | 58.81 | 72.87 | 68.57 | a | 85.70 | 91.48 | 88.32 | 80.90 | 67.55 | 42.83 | 50.67 | a | 67.46 | |||||||||||
1947 | 48.23 | 42.29 | 50.20 | a | 62.43 | 70.19 | 78.23 | 90.35 | 93.29 | 87.97 | 74.55 | 47.30 | 44.35 | 65.78 | ||||||||||||
1948 | 41.84 | 40.54 | c | 46.65 | 71.90 | 76.00 | 83.93 | 91.94 | 91.13 | 87.07 | 73.26 | 48.77 | 43.65 | 66.39 | ||||||||||||
1949 | 31.10 | 46.86 | 52.58 | 63.87 | 73.42 | 80.80 | 89.03 | 87.16 | 80.73 | 66.71 | 65.67 | 51.10 | 65.75 | |||||||||||||
1950 | 45.87 | 55.75 | 54.90 | 66.47 | 72.55 | 88.03 | 85.06 | 84.06 | 75.03 | 78.39 | 55.47 | 53.03 | a | 67.89 | ||||||||||||
1951 | 42.06 | 49.57 | 51.45 | 60.43 | 74.57 | a | 75.57 | 85.55 | 88.97 | 78.97 | 67.42 | 52.37 | 44.07 | a | 64.25 | |||||||||||
1952 | 48.83 | a | 49.07 | 48.00 | 63.37 | 72.48 | 93.20 | 92.13 | 89.84 | 83.76 | a | 72.00 | 48.57 | 42.61 | 66.99 | |||||||||||
1953 | 53.06 | 48.64 | 59.90 | 59.37 | 69.58 | 90.13 | 91.13 | 88.90 | 86.47 | 73.45 | 55.90 | 41.42 | 68.16 | |||||||||||||
1954 | 45.48 | 59.68 | 49.29 | 73.72 | a | 70.90 | 90.80 | 97.03 | 91.71 | 87.47 | 67.97 | 59.73 | 51.26 | 70.42 | ||||||||||||
1955 | 41.61 | 42.04 | a | 54.19 | 68.63 | 75.39 | 79.73 | 95.65 | 92.06 | 81.97 | 74.94 | 51.90 | 48.03 | 67.18 | ||||||||||||
1956 | 46.57 | a | 44.14 | 57.90 | 62.83 | 77.90 | 93.60 | 90.39 | 89.74 | 86.77 | 76.00 | 48.44 | e | 49.52 | 68.65 | |||||||||||
1957 | 37.61 | 53.46 | 49.81 | 56.63 | 66.71 | 82.83 | 91.23 | 89.10 | 79.45 | a | 63.90 | 50.43 | 53.74 | 64.58 | ||||||||||||
1958 | 49.35 | 48.36 | 41.21 | c | 58.87 | 78.23 | 86.08 | e | 85.50 | a | 89.38 | g | 82.00 | g | 69.52 | 56.07 | 46.59 | b | 61.98 | b | ||||||
1959 | 43.00 | 42.64 | 53.29 | 62.63 | 71.19 | 87.33 | 90.81 | 91.13 | 78.20 | 62.55 | 50.73 | 48.81 | 65.19 | |||||||||||||
1960 | 36.68 | 29.66 | 44.19 | 66.73 | 72.97 | 82.57 | 88.94 | 93.23 | a | 82.27 | 68.10 | 55.20 | 40.45 | 63.41 | ||||||||||||
1961 | 44.65 | 49.86 | 52.35 | 60.07 | 70.87 | 84.77 | 88.94 | 89.23 | e | 73.72 | a | 69.90 | 48.23 | 38.55 | 64.26 | |||||||||||
1962 | 36.48 | 49.71 | 51.87 | 67.83 | 79.77 | 81.90 | 88.90 | 91.35 | 77.59 | a | 70.81 | 55.80 | 49.13 | 66.76 | ||||||||||||
1963 | 33.45 | 52.71 | 55.00 | a | 68.50 | 78.19 | 89.38 | a | 93.68 | 89.65 | e | 81.97 | 76.03 | 59.21 | a | 39.45 | 68.10 | |||||||||
1964 | 47.61 | 39.93 | 48.97 | a | 62.23 | 76.90 | 83.40 | 95.55 | 90.72 | f | 81.07 | 71.00 | 53.20 | 47.10 | 64.27 | a | ||||||||||
1965 | 51.03 | 45.71 | 43.84 | 70.46 | b | 78.06 | 79.23 | 89.24 | b | 84.53 | a | 68.57 | 71.68 | 59.57 | 49.35 | 65.94 | ||||||||||
1966 | 35.55 | 38.52 | a | 59.61 | 61.93 | 79.76 | b | 85.66 | a | 93.40 | a | 83.59 | d | 77.67 | 67.87 | a | 56.10 | 42.97 | a | 65.22 | ||||||
1967 | 49.43 | a | 52.21 | 62.26 | 68.83 | 70.20 | a | 80.72 | a | 86.83 | a | 85.23 | 78.40 | 72.59 | b | 51.07 | 38.90 | 66.39 | ||||||||
1968 | 45.60 | a | 49.17 | 58.73 | a | 63.37 | 69.13 | 89.37 | 87.10 | 84.42 | 81.17 | 72.06 | 50.47 | 41.87 | 66.04 | |||||||||||
1969 | 46.29 | 47.43 | 45.06 | 67.03 | 74.87 | a | 81.50 | 92.13 | a | 89.68 | 80.24 | a | 54.84 | 52.77 | 43.68 | 64.63 | ||||||||||
1970 | 44.61 | 53.79 | 47.39 | 61.97 | a | 78.87 | 83.77 | 91.29 | 92.19 | 79.43 | 60.23 | 53.53 | 48.16 | 66.27 | ||||||||||||
1971 | 43.29 | 41.86 | 54.65 | 62.83 | 69.52 | 88.47 | 88.35 | 89.03 | a | 78.17 | 67.39 | 52.17 | 43.48 | 64.93 | ||||||||||||
1972 | 43.87 | 51.71 | a | 63.03 | 66.67 | 72.97 | 85.10 | a | 85.90 | a | 85.00 | a | 78.87 | 65.55 | 39.33 | 31.63 | a | 64.14 | ||||||||
1973 | 36.55 | 44.96 | 49.39 | 58.52 | a | 70.35 | 86.13 | 87.61 | 91.55 | 73.28 | a | 70.45 | 51.63 | 43.97 | 63.70 | |||||||||||
1974 | 34.97 | 49.46 | 60.87 | 65.10 | 79.90 | 85.80 | 94.35 | 84.17 | a | 77.63 | 69.87 | a | 51.67 | 41.90 | 66.31 | |||||||||||
1975 | 42.58 | 46.00 | 52.61 | 64.43 | 73.00 | 83.07 | 89.39 | 90.84 | 78.10 | 75.10 | a | 50.60 | 43.94 | 65.80 | ||||||||||||
1976 | 45.35 | 55.21 | 54.90 | 65.38 | a | 74.71 | 87.00 | b | 92.50 | a | 91.26 | 79.27 | 65.06 | 53.34 | a | 47.03 | 67.59 | |||||||||
1977 | 39.29 | 53.14 | 54.45 | 66.13 | 77.77 | 90.30 | 93.42 | 87.48 | 84.90 | 74.10 | a | 55.77 | 49.81 | 68.88 | ||||||||||||
1978 | 34.35 | ----- | z | ----- | z | 68.20 | 72.10 | 85.48 | a | 95.65 | 89.23 | 84.33 | 73.80 | a | 51.45 | a | 39.19 | 69.38 | b | |||||||
1979 | 31.26 | 48.71 | n | ----- | z | ----- | z | 72.91 | t | 85.93 | 90.32 | ----- | z | 84.33 | ----- | z | 45.08 | d | ----- | z | 67.38 | g | ||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | 72.00 | 68.94 | 85.42 | d | 90.37 | a | 84.83 | a | 84.34 | a | 67.48 | 59.48 | a | 51.17 | a | 73.78 | c | |||
1982 | 48.38 | b | 47.08 | b | 58.83 | b | 66.20 | 73.57 | a | 81.68 | b | 92.33 | a | 91.87 | a | 82.77 | 70.63 | a | 52.96 | b | ----- | z | 69.66 | a | ||
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 94.48 | d | 90.44 | l | 72.07 | a | ----- | z | ----- | z | 83.27 | j |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.65 | e | 48.65 | k |
1985 | 39.58 | 42.57 | 58.87 | a | 69.40 | 78.00 | a | 87.32 | b | 91.00 | 90.93 | c | 87.27 | o | 68.25 | o | 44.00 | c | 39.92 | f | 66.85 | c | ||||
1986 | 57.45 | b | 50.56 | c | 64.42 | 67.89 | b | 76.23 | a | 87.00 | 93.43 | c | 89.64 | c | 80.28 | e | 67.38 | b | 54.93 | a | 46.10 | a | 69.61 | |||
1987 | 47.30 | a | 52.07 | a | 51.79 | c | 69.41 | c | 74.89 | c | 87.53 | 94.41 | b | 88.93 | b | 81.17 | 72.68 | 54.43 | 44.23 | a | 68.24 | |||||
1988 | 36.60 | a | 48.70 | b | ----- | z | ----- | z | ----- | z | ----- | z | 93.52 | 92.68 | 81.60 | 69.29 | ----- | z | 46.10 | b | 66.93 | e | ||||
1989 | ----- | z | 37.56 | a | 57.06 | 67.67 | 73.27 | a | 77.69 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.65 | g | ||
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 90.53 | m | 85.94 | ----- | z | 81.00 | 66.16 | 56.10 | 36.55 | 65.15 | g | |||||
1991 | 37.81 | 55.39 | 54.42 | 61.80 | 73.74 | 84.67 | 85.74 | 82.58 | 77.27 | 67.13 | 42.73 | 41.97 | 63.77 | |||||||||||||
1992 | 40.77 | 49.79 | 56.48 | 68.24 | a | 73.81 | 76.20 | 83.26 | 80.10 | 79.73 | 67.58 | 41.52 | a | 32.77 | 62.52 | |||||||||||
1993 | 30.81 | 34.36 | 49.81 | 59.13 | 70.32 | 80.33 | 84.45 | 81.97 | 71.27 | 63.10 | 44.47 | 44.19 | 59.52 | |||||||||||||
1994 | 42.94 | 39.54 | 61.38 | g | 63.37 | 76.71 | 88.43 | 89.58 | 90.32 | 83.10 | 68.32 | 48.80 | 47.90 | 67.18 | a | |||||||||||
1995 | 44.55 | 50.71 | 53.81 | 57.70 | 61.42 | 80.23 | 88.71 | 92.23 | 78.03 | 67.68 | 57.57 | 48.94 | 65.13 | |||||||||||||
1996 | 43.26 | 50.59 | 52.26 | 67.27 | 73.10 | 88.97 | 91.58 | 90.87 | 77.37 | 69.61 | 50.37 | 48.65 | 66.99 | |||||||||||||
1997 | 43.03 | a | 44.11 | 60.29 | 57.53 | 72.81 | 83.30 | 90.97 | 85.39 | 81.40 | 65.68 | 49.77 | 37.61 | 64.32 | ||||||||||||
1998 | 45.13 | 47.18 | 52.43 | a | 61.60 | 77.26 | 82.20 | 89.10 | 86.65 | 85.37 | 68.42 | 55.07 | 44.83 | a | 66.27 | |||||||||||
1999 | 48.39 | 56.79 | 57.68 | 59.00 | 72.42 | 82.30 | 91.07 | a | 87.19 | 77.00 | 72.70 | a | 65.00 | 48.94 | 68.21 | |||||||||||
2000 | 47.32 | 56.76 | 56.23 | 68.07 | 77.06 | 87.00 | r | 89.86 | x | 91.41 | d | 81.13 | 66.74 | 42.67 | 40.95 | i | 65.27 | c | ||||||||
2001 | 42.45 | b | 40.57 | 50.13 | 65.93 | 71.67 | a | 84.73 | 91.57 | a | 89.74 | 79.52 | c | 68.27 | a | 57.13 | 47.12 | f | 67.43 | a | ||||||
2002 | 44.53 | a | 46.87 | e | 47.74 | l | 65.43 | b | 74.85 | d | 88.59 | a | 91.77 | 87.82 | c | 77.68 | b | 64.04 | g | 52.82 | h | 47.18 | i | 72.19 | d | |
2003 | 46.91 | t | 41.88 | b | 55.00 | e | 60.58 | k | 70.96 | c | 78.38 | a | 93.04 | h | 90.11 | d | 77.50 | 72.63 | l | 48.84 | e | 47.32 | f | 66.10 | e | |
2004 | 45.54 | r | 42.96 | d | 60.43 | a | 65.67 | f | 76.07 | d | 77.25 | f | 84.43 | c | 84.09 | h | 79.60 | e | 68.10 | k | 52.95 | j | 46.31 | e | 64.97 | f |
2005 | 43.52 | b | ----- | z | ----- | z | ----- | z | 77.33 | v | ----- | z | 92.00 | u | 87.31 | r | 83.27 | d | 66.70 | d | 55.04 | f | 42.10 | 58.90 | h | |
2006 | 52.52 | d | 46.33 | a | 54.34 | b | 69.33 | c | 76.06 | n | 88.71 | b | 91.20 | f | 87.88 | g | 73.61 | b | 63.80 | a | 53.26 | c | 41.28 | b | 60.35 | c |
2007 | 29.74 | h | 36.88 | c | 60.26 | 56.76 | e | 75.62 | g | 77.50 | x | ----- | z | ----- | z | ----- | z | ----- | z | 56.10 | a | 37.08 | e | 49.42 | g | |
2008 | 37.81 | 41.56 | d | 56.23 | i | 60.68 | e | 74.24 | b | 84.16 | e | 92.23 | a | 82.24 | b | 76.57 | b | 65.81 | 55.13 | 40.20 | a | 64.60 | a | |||
2009 | 42.86 | c | 52.84 | c | 56.10 | a | 60.64 | e | 73.89 | d | 79.50 | d | 86.24 | f | 84.67 | d | ----- | z | 52.77 | 55.14 | b | 35.56 | m | 62.05 | c | |
2010 | ----- | z | 42.00 | m | 54.03 | b | 64.21 | k | 67.11 | v | 85.30 | g | 89.67 | a | 89.89 | v | 84.48 | e | 70.00 | 55.46 | d | 47.19 | d | 66.80 | f | |
2011 | 38.42 | g | 44.00 | c | 55.17 | b | 61.92 | d | 73.00 | t | ----- | z | ----- | z | 92.13 | h | 78.03 | a | ----- | z | 53.62 | f | 42.42 | g | 59.78 | h |
2012 | 49.48 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.48 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.66 | 46.63 | 53.90 | 64.19 | 73.37 | 84.17 | 90.46 | 88.62 | 80.04 | 68.83 | 52.65 | 44.64 | 65.85 | |||||||||||||
S.D. | 6.04 | 6.18 | 5.11 | 4.44 | 3.77 | 4.18 | 3.19 | 3.20 | 3.69 | 4.59 | 5.21 | 4.58 | 1.98 | |||||||||||||
SKEW | -0.33 | -0.28 | -0.20 | -0.06 | -0.74 | -0.07 | -0.18 | -0.63 | -0.23 | -0.87 | -0.24 | -0.43 | -0.30 | |||||||||||||
MAX | 57.45 | 59.68 | 64.42 | 73.72 | 79.90 | 93.60 | 97.61 | 94.48 | 87.97 | 78.39 | 65.67 | 53.74 | 70.42 | |||||||||||||
MIN | 28.65 | 29.66 | 41.21 | 52.83 | 61.42 | 74.83 | 83.26 | 80.10 | 68.57 | 52.77 | 39.33 | 31.63 | 59.52 | |||||||||||||
YRS | 67 | 68 | 64 | 67 | 66 | 67 | 67 | 65 | 70 | 68 | 69 | 66 | 50 |