YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.62 | 80.58 | 75.39 | 62.20 | 57.98 | 42.98 | 33.06 | 60.69 | e | |||||||
1935 | 36.08 | 36.48 | 43.45 | 46.53 | 51.94 | 66.20 | 78.13 | 75.53 | 64.38 | 52.34 | 35.12 | 30.15 | 51.36 | |||||||||||||
1936 | 28.08 | 22.22 | 41.82 | 49.92 | 61.77 | 72.40 | 79.11 | 76.16 | 65.20 | 49.63 | 40.97 | 33.48 | 51.73 | |||||||||||||
1937 | 17.11 | 31.38 | 35.65 | 48.37 | 60.73 | 66.80 | 77.37 | 77.15 | 66.57 | 54.08 | 38.73 | 30.27 | 50.35 | |||||||||||||
1938 | 32.29 | 35.95 | 43.76 | 49.08 | 57.53 | 69.97 | 75.37 | 76.44 | 66.92 | 58.44 | 36.23 | 32.02 | 52.83 | |||||||||||||
1939 | 33.26 | 24.54 | 38.97 | 49.47 | 62.02 | a | 68.92 | 76.84 | 72.61 | 68.55 | 54.08 | 41.97 | 38.19 | 52.45 | ||||||||||||
1940 | 19.34 | 34.59 | 40.85 | a | 48.30 | 59.71 | 70.27 | 77.06 | 71.76 | 66.47 | 57.16 | 36.98 | 34.19 | 51.39 | ||||||||||||
1941 | 32.42 | 33.50 | 36.48 | 46.98 | 61.19 | 66.27 | 73.48 | 73.35 | 63.88 | 51.66 | 43.70 | 32.69 | 51.30 | |||||||||||||
1942 | 24.19 | 25.02 | ----- | z | 53.78 | a | 57.53 | 66.32 | 74.05 | 70.35 | 62.12 | 53.13 | 43.28 | 34.50 | 51.30 | a | ||||||||||
1943 | 32.31 | 40.07 | 37.02 | 54.93 | 54.11 | 67.32 | 75.24 | 75.66 | 64.18 | 52.90 | 41.75 | 32.89 | 52.37 | |||||||||||||
1944 | 31.15 | 31.60 | 34.94 | 42.33 | 59.89 | 67.82 | 71.66 | 72.76 | 64.77 | 54.98 | 41.48 | 29.69 | 50.26 | |||||||||||||
1945 | 32.27 | a | 33.44 | a | 44.92 | 44.22 | 56.97 | 61.32 | 74.23 | 73.53 | 61.64 | a | 54.00 | a | 43.93 | a | 30.81 | 50.94 | ||||||||
1946 | 32.79 | 37.56 | a | 43.82 | 57.88 | 54.98 | b | 69.45 | 75.21 | 73.02 | 66.00 | 52.37 | 32.64 | b | 37.42 | a | 52.76 | |||||||||
1947 | 32.70 | a | 29.17 | b | 36.73 | a | 48.57 | 56.95 | 64.60 | a | 74.56 | 77.23 | 69.87 | 59.35 | 35.03 | 32.68 | 51.45 | |||||||||
1948 | 29.48 | 27.33 | e | 33.19 | 55.38 | 61.20 | a | 69.19 | a | 75.18 | 74.84 | 69.55 | 54.81 | 35.90 | 30.85 | 51.41 | ||||||||||
1949 | 19.13 | 32.25 | 39.32 | 49.60 | 60.00 | 67.77 | 74.65 | 71.98 | 64.52 | 51.56 | 48.45 | 34.44 | 51.14 | |||||||||||||
1950 | 29.63 | 38.77 | 38.63 | 49.20 | 56.66 | 70.70 | 71.03 | 70.02 | 62.48 | 60.18 | 40.00 | 37.52 | a | 52.07 | ||||||||||||
1951 | 28.15 | 34.98 | 36.10 | 45.58 | 59.78 | a | 62.60 | 72.37 | 73.34 | 62.58 | 51.47 | 37.52 | 30.02 | a | 49.54 | |||||||||||
1952 | 33.35 | a | 33.74 | 34.39 | 49.20 | 58.35 | 75.90 | 75.90 | 74.90 | 66.86 | a | 53.97 | 35.67 | 30.81 | 51.92 | |||||||||||
1953 | 38.47 | 33.45 | 44.08 | 45.05 | 55.56 | 73.87 | 76.37 | 74.16 | 68.78 | 56.65 | 42.87 | 30.06 | 53.28 | |||||||||||||
1954 | 33.06 | 44.02 | 35.68 | 55.76 | a | 57.19 | 72.75 | 80.56 | 75.58 | 70.57 | 52.76 | 44.48 | 35.81 | 54.85 | ||||||||||||
1955 | 29.31 | 28.85 | a | 37.61 | 52.58 | 61.11 | 65.55 | 79.24 | 76.44 | 66.33 | 56.97 | 36.47 | 33.87 | 52.03 | ||||||||||||
1956 | 32.70 | a | 29.98 | 41.55 | 46.68 | 62.84 | 76.58 | 74.94 | 73.44 | 68.47 | 58.19 | 35.62 | e | 36.05 | 53.09 | |||||||||||
1957 | 24.21 | 38.79 | 37.40 | 44.38 | 54.32 | 67.62 | 76.23 | 73.92 | 62.47 | a | 52.03 | 37.83 | 38.50 | 50.64 | ||||||||||||
1958 | 33.90 | 35.16 | 31.46 | c | 45.55 | 63.02 | 70.75 | n | 72.13 | p | 74.33 | g | 66.85 | g | 52.16 | 39.62 | 32.41 | b | 41.66 | d | ||||||
1959 | 28.31 | 29.66 | 37.79 | 45.98 | 57.03 | 70.67 | 73.40 | 75.00 | 61.87 | 47.40 | 35.27 | 33.65 | 49.67 | |||||||||||||
1960 | 23.32 | 18.86 | 32.27 | 51.43 | 56.92 | 65.91 | a | 72.40 | 75.00 | a | 64.77 | 53.02 | 39.45 | 28.21 | 48.46 | |||||||||||
1961 | 30.08 | 34.66 | 38.63 | 44.03 | 56.03 | 67.55 | 72.77 | 73.21 | e | 58.07 | a | 51.47 | 34.50 | 25.82 | 48.90 | |||||||||||
1962 | 22.56 | 34.88 | 35.87 | 50.72 | 63.11 | 66.60 | 73.56 | 73.11 | 62.47 | a | 53.79 | 41.57 | 33.92 | 51.01 | ||||||||||||
1963 | 17.63 | 37.00 | a | 41.43 | b | 51.26 | a | 62.34 | 72.53 | a | 77.34 | 74.60 | e | 67.95 | 59.79 | 42.07 | b | 26.23 | 52.51 | |||||||
1964 | 32.27 | 27.84 | 34.70 | a | 47.40 | a | 60.27 | 67.32 | 78.77 | 73.96 | f | 64.48 | 53.06 | 39.88 | 32.00 | 48.91 | a | |||||||||
1965 | 36.31 | 30.54 | a | 29.48 | 53.57 | b | 62.26 | 66.73 | 74.64 | b | 69.90 | a | 56.10 | 56.56 | 44.47 | 35.27 | 51.32 | |||||||||
1966 | 22.13 | 27.43 | a | 43.81 | 48.37 | 62.48 | b | 70.21 | a | 78.78 | a | 71.06 | d | 64.87 | 52.23 | a | 41.43 | 29.65 | a | 51.04 | ||||||
1967 | 35.92 | a | 36.05 | 44.66 | 53.38 | 57.28 | a | 67.55 | a | 73.45 | a | 71.05 | 63.85 | 55.79 | b | 38.08 | 27.08 | 52.01 | ||||||||
1968 | 32.28 | b | 34.66 | 42.63 | a | 47.28 | a | 55.52 | 72.82 | 73.69 | 70.21 | 64.40 | 55.53 | 37.72 | 27.65 | 51.20 | ||||||||||
1969 | 31.16 | 34.25 | 32.06 | 52.98 | 61.53 | a | 66.17 | 76.72 | b | 75.42 | a | 66.64 | a | 44.35 | 39.50 | 32.44 | 51.10 | |||||||||
1970 | 29.56 | 36.77 | 33.21 | 46.31 | a | 62.02 | 67.55 | 75.47 | 76.03 | 62.85 | 47.06 | 39.67 | 32.61 | 50.76 | ||||||||||||
1971 | 29.97 | 29.25 | 39.76 | 49.02 | 56.06 | 70.08 | 72.08 | a | 72.60 | a | 62.05 | 51.50 | 38.73 | 31.18 | 50.19 | |||||||||||
1972 | 28.81 | 35.88 | a | 45.71 | 51.03 | 58.55 | 70.22 | a | 71.05 | a | 71.25 | a | 64.05 | 51.97 | 30.62 | 22.47 | a | 50.13 | ||||||||
1973 | 26.84 | 33.89 | 39.82 | 45.19 | a | 57.42 | 70.55 | 74.16 | 75.50 | 61.19 | a | 54.84 | 38.98 | 30.47 | a | 50.74 | ||||||||||
1974 | 23.19 | 35.02 | 44.27 | 50.37 | 62.58 | 69.42 | 78.03 | 69.92 | a | 61.43 | 54.67 | a | 38.32 | 28.81 | 51.34 | |||||||||||
1975 | 29.69 | 31.14 | 37.69 | 49.03 | 57.66 | 68.35 | 75.21 | 75.48 | 62.73 | 55.83 | a | 36.38 | 33.02 | 51.02 | ||||||||||||
1976 | 31.55 | 40.45 | 39.32 | 50.28 | a | 58.48 | 68.80 | b | 75.78 | a | 73.44 | 64.73 | 49.40 | 38.76 | a | 34.56 | 52.13 | |||||||||
1977 | 25.48 | 38.62 | 39.56 | 52.03 | 62.39 | 73.65 | 77.53 | 73.06 | 67.92 | 55.97 | a | 40.43 | 34.24 | 53.41 | ||||||||||||
1978 | 21.79 | ----- | z | ----- | z | 51.13 | 57.06 | 69.74 | a | 78.00 | 71.92 | 66.97 | 56.07 | a | 38.72 | a | 25.32 | 53.67 | b | |||||||
1979 | 18.39 | 31.36 | n | ----- | z | ----- | z | 60.18 | t | 69.62 | 75.26 | ----- | z | 67.48 | ----- | z | 33.44 | d | ----- | z | 52.84 | g | ||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | 56.77 | 56.55 | a | 70.78 | e | 75.92 | g | 71.55 | c | 69.09 | a | 53.82 | 45.50 | a | 36.62 | b | 57.58 | d | ||
1982 | 31.21 | c | 32.98 | b | 43.74 | b | 49.02 | a | 58.33 | d | 65.93 | c | 77.40 | a | 77.73 | a | 67.02 | 54.93 | b | 38.73 | b | ----- | z | 54.28 | a | |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 79.39 | d | 72.58 | l | 56.38 | a | ----- | z | ----- | z | 67.89 | j |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.69 | e | 33.69 | k |
1985 | 27.47 | 28.22 | a | 43.23 | a | 53.90 | 62.77 | a | 70.64 | b | 76.47 | a | 75.05 | c | 65.00 | o | 53.28 | o | 32.35 | d | 28.66 | f | 52.23 | c | ||
1986 | 40.95 | c | 34.31 | d | 47.18 | a | 52.04 | b | 59.74 | b | 68.09 | n | ----- | z | ----- | z | ----- | z | ----- | z | 45.00 | y | 33.08 | a | 44.55 | f |
1987 | 34.38 | b | 38.13 | a | 38.11 | c | 51.78 | c | 60.64 | c | 70.43 | 75.98 | b | 71.86 | b | 63.03 | 52.42 | 39.05 | 28.70 | a | 52.04 | |||||
1988 | 22.85 | a | 31.87 | b | ----- | z | ----- | z | ----- | z | ----- | z | 74.35 | e | 76.39 | c | 63.59 | a | 50.03 | ----- | z | 28.76 | b | 49.69 | e | |
1989 | ----- | z | 19.38 | c | 38.79 | b | 49.33 | d | 58.93 | b | 63.74 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.03 | g |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.76 | m | 72.47 | ----- | z | 66.58 | 50.97 | 41.90 | 24.32 | a | 51.25 | g | ||||
1991 | 25.63 | 39.20 | 40.44 | 48.27 | 60.15 | 70.78 | 72.50 | 69.98 | 62.64 | b | 50.61 | 32.38 | 31.32 | 50.33 | ||||||||||||
1992 | 30.16 | 38.40 | 43.20 | c | 52.09 | a | 59.31 | 64.17 | 69.90 | 67.66 | 64.07 | 51.77 | 31.84 | a | 22.60 | 49.60 | ||||||||||
1993 | 21.55 | 24.38 | 38.42 | 45.58 | 57.03 | 66.08 | 71.00 | 69.63 | a | 57.55 | 49.19 | 32.15 | 32.19 | 47.06 | ||||||||||||
1994 | 29.75 | a | 26.41 | 45.21 | g | 48.37 | 62.40 | a | 73.81 | a | 73.44 | 75.35 | 66.42 | d | 52.84 | c | 38.00 | a | 36.00 | 52.98 | a | |||||
1995 | 31.73 | 36.32 | 40.17 | a | 44.23 | 51.19 | 66.75 | 74.35 | a | 76.41 | b | 63.68 | 51.08 | 43.14 | a | 34.70 | a | 51.15 | ||||||||
1996 | 27.50 | 34.52 | 35.94 | 49.58 | 59.20 | a | 75.88 | 80.03 | a | 78.43 | a | 63.55 | b | 52.95 | 36.84 | a | 32.50 | 52.24 | ||||||||
1997 | 29.48 | a | 31.72 | a | 42.39 | c | 44.33 | a | 57.65 | 69.40 | 75.29 | 72.32 | c | 66.96 | g | 52.17 | j | 37.43 | g | 29.62 | b | 50.24 | c | |||
1998 | 32.58 | a | 36.32 | 38.08 | a | 47.00 | a | 61.92 | 66.33 | 75.89 | 72.41 | c | 69.65 | 53.24 | 42.47 | 31.05 | a | 52.25 | ||||||||
1999 | 34.39 | 39.98 | b | 41.83 | a | 46.07 | 58.00 | 67.77 | 76.02 | a | 73.57 | a | 61.63 | 54.62 | a | 48.38 | 35.82 | 53.17 | ||||||||
2000 | 33.63 | 40.41 | a | 42.90 | 50.35 | 61.53 | 69.88 | r | 75.36 | x | 75.93 | d | 64.87 | 52.37 | 31.00 | 26.57 | i | 50.33 | c | |||||||
2001 | 31.16 | b | 29.91 | a | 38.24 | 51.13 | 58.58 | a | 69.87 | 77.32 | a | 74.24 | 64.24 | c | 51.83 | a | 42.88 | 33.36 | f | 53.58 | a | |||||
2002 | 30.92 | a | 32.89 | e | 32.31 | m | 49.48 | c | 58.88 | e | 73.76 | a | 76.84 | 72.91 | c | 63.22 | c | 49.25 | g | 41.05 | h | 34.77 | i | 57.36 | d | |
2003 | 33.95 | t | 29.90 | b | 41.85 | e | 47.79 | k | 58.27 | e | 65.55 | a | 77.52 | h | 75.11 | d | 61.50 | 56.14 | m | 35.92 | f | 34.04 | f | 55.36 | f | |
2004 | 31.08 | r | 30.44 | d | 45.32 | a | 50.15 | g | 59.77 | e | 64.54 | f | 70.75 | c | 70.37 | h | 64.80 | e | 53.67 | k | 41.30 | j | 34.25 | e | 50.89 | f |
2005 | 31.91 | b | ----- | z | ----- | z | ----- | z | 57.22 | v | ----- | z | 74.25 | u | 72.42 | r | 67.23 | d | 52.96 | d | 42.17 | f | 29.94 | 45.51 | h | |
2006 | 38.80 | d | 31.89 | a | 39.88 | b | 52.81 | c | 60.26 | n | 72.77 | b | 77.23 | g | 73.55 | i | 59.48 | b | 49.74 | b | 39.79 | d | 30.78 | b | 46.22 | c |
2007 | 20.20 | i | 26.28 | c | 46.48 | 43.78 | e | 61.08 | g | 64.00 | x | ----- | z | ----- | z | ----- | z | ----- | z | 41.32 | b | 25.69 | e | 36.71 | g | |
2008 | 25.70 | a | 30.20 | d | 41.48 | i | 46.18 | e | 58.62 | c | 68.48 | e | 76.58 | a | 70.23 | c | 62.21 | b | 51.82 | 42.41 | a | 26.95 | a | 50.85 | a | |
2009 | 30.34 | c | 38.36 | c | 41.57 | a | 47.22 | e | 60.20 | d | 66.00 | d | 72.28 | f | 70.17 | d | ----- | z | 41.81 | 42.39 | b | 23.64 | m | 48.67 | c | |
2010 | ----- | z | 29.20 | m | 41.05 | b | 50.61 | k | 52.33 | v | 70.50 | g | 75.42 | a | 75.33 | v | 68.16 | e | 54.77 | a | 42.12 | d | 34.17 | d | 52.61 | f |
2011 | 26.48 | g | 29.52 | c | 40.72 | b | 47.94 | d | 56.82 | t | ----- | z | ----- | z | 77.24 | h | 63.31 | a | ----- | z | 39.31 | f | 30.58 | g | 45.37 | h |
2012 | 35.13 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.13 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.40 | 32.82 | 39.53 | 49.21 | 58.97 | 68.98 | 75.30 | 73.65 | 64.56 | 53.23 | 39.12 | 31.66 | 51.33 | |||||||||||||
S.D. | 5.23 | 5.09 | 3.98 | 3.42 | 2.71 | 3.21 | 2.48 | 2.46 | 2.96 | 3.31 | 4.01 | 3.61 | 1.37 | |||||||||||||
SKEW | -0.50 | -0.51 | -0.31 | 0.31 | -0.50 | 0.22 | 0.01 | -0.09 | -0.26 | -0.59 | -0.12 | -0.49 | -0.44 | |||||||||||||
MAX | 40.95 | 44.02 | 47.18 | 57.88 | 63.11 | 76.58 | 80.58 | 79.39 | 70.57 | 60.18 | 48.45 | 38.50 | 54.85 | |||||||||||||
MIN | 17.11 | 18.86 | 29.48 | 42.33 | 51.19 | 61.32 | 69.90 | 67.66 | 56.10 | 41.81 | 30.62 | 22.47 | 47.06 | |||||||||||||
YRS | 67 | 68 | 64 | 67 | 66 | 65 | 64 | 64 | 68 | 66 | 66 | 66 | 48 |