YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.60 | 68.57 | 56.06 | 41.97 | 36.97 | 55.43 | ||||||
1949 | 26.63 | 36.38 | 43.47 | 52.60 | 59.84 | 67.03 | 75.10 | 73.48 | 66.28 | 53.70 | a | 53.83 | 37.65 | 53.83 | ||||||||||||
1950 | 36.66 | 44.52 | 42.13 | 52.12 | 57.76 | 69.80 | 71.68 | 72.35 | 63.63 | 62.39 | 42.40 | 41.58 | 54.75 | |||||||||||||
1951 | 34.26 | 40.85 | a | 39.92 | 48.93 | 60.58 | 65.15 | 76.03 | 74.40 | 65.58 | 53.67 | b | 42.38 | 36.02 | 53.15 | |||||||||||
1952 | 39.39 | 39.90 | 39.15 | 51.80 | 60.65 | 74.65 | 75.02 | 74.37 | 67.78 | 57.61 | 37.40 | 37.61 | 54.61 | |||||||||||||
1953 | 45.31 | 39.05 | 47.13 | 47.93 | 57.32 | 71.00 | 76.35 | 72.15 | 67.78 | 55.50 | 45.42 | 37.73 | 55.22 | |||||||||||||
1954 | 40.70 | f | 45.29 | 37.08 | 53.68 | 57.74 | 70.43 | a | 77.94 | 74.21 | 69.12 | 55.69 | 49.63 | 41.61 | 57.49 | |||||||||||
1955 | 36.68 | 34.20 | 44.34 | 54.37 | 61.10 | 66.73 | 77.26 | 75.60 | 67.58 | 58.76 | 42.80 | ----- | z | 56.31 | ||||||||||||
1956 | ----- | z | 33.97 | 44.20 | a | 49.77 | 64.69 | 74.73 | 73.98 | 72.16 | 68.87 | 58.27 | 41.55 | 40.77 | 56.63 | |||||||||||
1957 | 33.23 | 45.21 | 42.48 | 44.58 | 56.00 | 67.12 | 75.18 | 73.98 | 64.55 | 54.97 | b | 38.98 | 42.47 | 53.23 | ||||||||||||
1958 | 37.66 | 41.11 | 35.44 | 48.32 | 64.48 | a | 70.83 | 74.06 | 74.98 | 67.33 | 56.40 | 47.12 | 43.63 | 55.11 | ||||||||||||
1959 | 36.76 | 37.11 | 43.65 | 51.13 | 60.95 | 73.03 | 74.87 | 75.32 | 63.58 | 51.44 | 44.68 | 40.77 | 54.44 | |||||||||||||
1960 | 32.23 | 29.14 | 42.24 | 54.25 | 60.15 | 71.70 | 74.76 | 75.37 | 68.93 | 56.60 | 47.17 | 35.85 | 54.03 | |||||||||||||
1961 | 38.89 | 41.09 | 43.71 | 51.27 | 62.34 | 71.08 | 73.76 | 72.63 | 60.82 | 54.06 | 41.98 | 33.42 | 53.75 | |||||||||||||
1962 | 31.68 | 40.00 | 40.77 | 54.77 | 63.18 | 67.73 | 73.34 | 75.92 | 67.22 | 59.73 | 47.40 | 42.15 | 55.32 | |||||||||||||
1963 | 29.48 | 43.82 | 44.61 | 55.18 | 64.26 | 71.57 | 78.95 | a | 73.03 | 70.55 | 62.97 | 48.33 | 34.95 | 56.48 | ||||||||||||
1964 | 38.16 | 33.33 | 39.02 | 51.60 | 62.24 | 68.77 | 78.39 | 73.00 | 65.65 | 57.61 | 43.55 | 38.65 | 54.16 | |||||||||||||
1965 | 41.63 | 37.11 | 33.89 | 54.02 | 61.08 | 67.72 | 75.34 | 70.92 | 60.70 | 58.85 | 49.77 | 42.98 | 54.50 | |||||||||||||
1966 | 33.02 | 34.64 | 46.97 | 51.95 | 63.32 | 71.13 | 77.42 | 70.27 | 66.03 | 56.50 | 47.57 | 36.15 | 54.58 | |||||||||||||
1967 | 41.08 | 40.25 | 48.79 | 52.97 | 56.79 | 64.75 | 73.18 | 71.06 | 64.53 | 58.05 | 45.67 | 31.74 | 54.07 | |||||||||||||
1968 | 36.90 | 38.10 | 43.97 | 48.88 | 58.37 | 73.17 | 73.53 | 70.06 | ----- | z | 57.81 | 42.47 | 35.84 | 52.65 | ||||||||||||
1969 | 39.69 | 39.66 | 35.47 | 53.00 | 60.71 | 63.43 | 77.39 | 76.82 | 66.75 | 46.97 | 47.25 | 41.00 | 54.01 | |||||||||||||
1970 | 36.63 | 46.88 | 41.73 | 48.62 | 61.35 | 68.50 | 78.56 | 77.61 | 63.72 | 51.02 | 44.27 | 39.19 | 54.84 | |||||||||||||
1971 | 37.61 | 36.41 | 43.94 | 50.85 | 58.23 | 72.78 | 74.45 | 70.84 | 62.00 | 53.29 | 46.05 | 37.98 | 53.70 | |||||||||||||
1972 | 36.71 | 43.90 | 49.77 | 56.42 | 61.94 | 73.67 | 74.98 | 74.44 | 66.50 | 54.84 | ----- | z | 31.76 | 56.81 | ||||||||||||
1973 | 32.79 | 38.38 | 41.21 | 45.82 | 57.73 | 70.23 | 74.10 | 75.39 | 61.40 | 56.61 | 45.50 | 39.66 | c | 53.23 | ||||||||||||
1974 | 32.94 | 40.00 | 46.05 | 51.53 | 63.68 | 71.32 | 76.68 | 71.50 | 61.07 | b | 56.53 | 44.92 | 34.04 | e | 54.19 | |||||||||||
1975 | 35.85 | a | 33.50 | a | 42.31 | 50.13 | 59.90 | 68.62 | a | 75.39 | 75.84 | 63.30 | 54.37 | 40.04 | f | 40.98 | 54.56 | |||||||||
1976 | 36.58 | 43.66 | a | 43.05 | b | 51.57 | 58.27 | 68.50 | 73.15 | ----- | z | ----- | z | ----- | z | 35.00 | i | ----- | z | 53.54 | ||||||
1977 | ----- | z | ----- | z | 39.26 | b | 53.85 | 63.23 | 72.18 | 74.68 | 71.87 | 65.35 | 57.85 | 43.64 | e | 37.08 | 57.90 | |||||||||
1978 | 28.52 | 34.57 | 43.97 | 50.02 | 54.87 | 66.75 | 72.79 | 67.61 | 63.22 | ----- | z | ----- | z | ----- | z | 53.59 | ||||||||||
1979 | 25.57 | q | 34.23 | q | 43.19 | j | 52.78 | 56.08 | a | 69.02 | 75.89 | 73.09 | c | 68.88 | 58.58 | 38.02 | 40.23 | c | 59.17 | |||||||
1980 | 30.85 | 40.54 | a | 42.78 | a | 49.40 | 56.94 | 73.84 | a | 80.50 | a | 76.42 | 65.62 | 55.32 | 44.61 | b | 45.68 | a | 55.21 | |||||||
1981 | 42.85 | 41.52 | 43.73 | 58.07 | 58.63 | a | 72.47 | j | 76.03 | 72.55 | 68.32 | 55.29 | g | 48.50 | c | 40.21 | 55.04 | |||||||||
1982 | 30.26 | ----- | z | ----- | z | 49.84 | n | 57.24 | 64.07 | 75.18 | 73.90 | 64.08 | 52.16 | 40.12 | 36.56 | 54.84 | ||||||||||
1983 | 37.94 | 39.36 | 41.39 | 45.45 | 55.32 | 64.77 | 75.55 | 75.39 | 66.98 | 54.45 | 42.95 | 21.90 | a | 51.79 | ||||||||||||
1984 | 32.79 | 38.69 | 40.52 | 45.65 | 62.21 | 68.42 | 75.92 | 73.58 | ----- | z | ----- | z | ----- | z | 38.63 | 52.93 | ||||||||||
1985 | 29.75 | o | 30.54 | 43.00 | 52.87 | 59.60 | 67.68 | 71.97 | 70.24 | 60.35 | 51.94 | 34.28 | 30.50 | 52.09 | ||||||||||||
1986 | 41.65 | 37.59 | 48.42 | 51.38 | 57.00 | 67.92 | 73.16 | 70.97 | 60.82 | 51.10 | 40.63 | 34.03 | 52.89 | |||||||||||||
1987 | 33.45 | 36.48 | ----- | z | ----- | z | 59.32 | 68.88 | 72.31 | 69.11 | 62.77 | 52.77 | 42.50 | 32.23 | 52.98 | |||||||||||
1988 | 27.66 | 35.09 | 39.82 | 51.10 | 59.97 | 71.53 | 73.27 | 73.27 | 63.17 | 55.58 | 42.97 | 34.29 | 52.31 | |||||||||||||
1989 | 36.79 | 26.25 | 46.60 | 52.37 | 58.60 | 64.73 | 73.26 | 70.21 | 62.77 | 52.60 | 45.81 | a | 29.89 | 51.66 | ||||||||||||
1990 | 36.66 | 35.48 | 41.95 | 50.90 | 54.53 | 69.83 | 70.48 | 69.48 | 66.70 | 52.47 | 46.17 | 28.63 | 51.94 | |||||||||||||
1991 | 31.50 | 42.54 | 42.85 | 49.53 | 59.47 | 68.67 | 72.34 | 71.47 | 62.32 | 52.94 | 37.77 | 34.03 | 52.12 | |||||||||||||
1992 | 36.76 | 40.81 | 45.29 | 53.88 | 60.27 | 64.17 | 70.21 | 69.00 | 63.95 | 55.02 | 35.32 | 33.06 | 52.31 | |||||||||||||
1993 | 30.47 | 32.38 | 43.19 | 48.52 | 58.97 | 66.52 | 72.06 | 69.53 | 60.23 | 50.32 | 38.17 | 36.15 | 50.54 | |||||||||||||
1994 | 36.27 | 34.54 | 45.34 | 49.22 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.34 | |||||
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.07 | 38.29 | 42.18 | |||
1996 | 32.76 | 39.31 | 39.61 | 52.12 | 63.40 | 70.70 | 75.58 | 72.44 | 63.57 | 54.42 | 43.10 | 37.11 | 53.68 | |||||||||||||
1997 | 32.90 | 34.79 | 46.95 | a | 45.68 | 59.27 | 69.78 | 75.23 | 72.82 | 67.45 | 54.65 | 39.25 | 34.31 | 52.76 | ||||||||||||
1998 | 39.10 | 37.27 | 40.29 | 47.43 | 62.21 | 66.82 | 75.35 | 73.76 | 70.32 | 54.76 | 46.58 | 35.79 | 54.14 | |||||||||||||
1999 | 38.81 | 43.86 | 45.97 | a | 46.96 | b | 57.50 | 66.93 | 75.53 | 72.84 | 62.27 | 54.67 | a | 51.10 | 39.98 | 54.70 | ||||||||||
2000 | 38.47 | 43.62 | 44.27 | 52.72 | a | 62.39 | 69.61 | b | 76.29 | 78.30 | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.34 | ||||||
2001 | ----- | z | ----- | z | 42.61 | 51.22 | 59.92 | 70.92 | 77.32 | 73.95 | 66.50 | 53.81 | 46.12 | 34.98 | 57.73 | |||||||||||
2002 | 32.71 | 34.88 | 37.56 | 52.53 | 59.89 | 73.72 | 76.27 | 72.84 | 64.75 | 48.05 | 40.43 | 35.27 | 52.41 | |||||||||||||
2003 | 38.45 | 31.25 | 43.53 | 52.72 | 60.69 | 64.80 | 78.15 | 75.48 | 62.25 | 57.56 | 39.08 | 36.82 | 53.40 | |||||||||||||
2004 | 34.63 | 33.17 | 47.82 | 49.20 | 61.48 | 66.58 | 71.68 | 68.92 | 64.80 | 52.76 | 39.88 | 35.98 | 52.24 | |||||||||||||
2005 | 37.00 | 38.38 | 40.47 | 49.17 | 58.53 | 68.33 | 76.71 | 72.06 | 66.15 | 54.35 | 45.23 | 31.42 | 53.15 | |||||||||||||
2006 | 38.24 | 33.12 | 40.52 | 53.48 | 61.55 | 73.05 | b | 75.07 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.99 | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.61 | 37.99 | 42.67 | 51.02 | 59.89 | 69.19 | 74.99 | 72.85 | 65.07 | 55.07 | 43.69 | 36.72 | 53.64 | |||||||||||||
S.D. | 3.98 | 4.48 | 3.39 | 2.87 | 2.52 | 2.95 | 2.17 | 2.27 | 2.77 | 3.11 | 4.04 | 4.27 | 1.25 | |||||||||||||
SKEW | -0.09 | -0.21 | -0.31 | -0.22 | -0.08 | -0.03 | 0.03 | -0.18 | 0.02 | 0.00 | -0.08 | -0.67 | -0.25 | |||||||||||||
MAX | 45.31 | 46.88 | 49.77 | 58.07 | 64.69 | 74.73 | 80.50 | 77.61 | 70.55 | 62.97 | 53.83 | 45.68 | 56.48 | |||||||||||||
MIN | 26.63 | 26.25 | 33.89 | 44.58 | 54.53 | 63.43 | 70.21 | 67.61 | 60.23 | 46.97 | 34.28 | 21.90 | 50.54 | |||||||||||||
NO YRS | 51 | 53 | 54 | 55 | 56 | 55 | 55 | 54 | 52 | 51 | 51 | 53 | 38 |