YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.29 | 76.83 | 61.71 | 37.13 | 34.13 | 58.02 | g | |||||
1949 | 22.65 | 30.82 | 41.74 | 56.60 | 61.29 | 69.90 | 80.84 | 80.35 | 73.97 | 56.48 | 54.83 | 36.57 | a | 55.50 | ||||||||||||
1950 | 32.74 | 37.46 | 40.52 | 52.37 | 58.16 | 73.93 | 77.68 | 79.10 | 68.80 | 68.52 | 46.80 | 43.13 | 56.60 | |||||||||||||
1951 | 31.03 | 38.21 | 40.42 | 51.40 | 64.81 | 67.07 | 82.45 | 77.42 | 72.37 | 57.74 | 42.73 | ----- | z | 56.88 | a | |||||||||||
1952 | 32.27 | a | 33.66 | 35.42 | 54.33 | 64.45 | 77.67 | 81.03 | 79.32 | 75.63 | 67.61 | 41.20 | 33.48 | 56.34 | ||||||||||||
1953 | 40.77 | 33.96 | 46.94 | 50.31 | a | 58.74 | 76.67 | 83.68 | 79.19 | 75.87 | 63.81 | 49.13 | 35.58 | 57.89 | ||||||||||||
1954 | 39.03 | 43.18 | 39.87 | 58.67 | 67.71 | 75.31 | a | 85.35 | 81.35 | 74.07 | 61.52 | 52.60 | 35.84 | 59.54 | ||||||||||||
1955 | 31.97 | 30.29 | 38.52 | 53.17 | 65.16 | 70.87 | 85.39 | 80.52 | 74.67 | 62.90 | 40.07 | 39.13 | 56.05 | |||||||||||||
1956 | 38.84 | 28.97 | 41.19 | 53.20 | 67.32 | 77.83 | 79.77 | 77.39 | 77.83 | 66.29 | 42.11 | b | 35.16 | 57.16 | ||||||||||||
1957 | 29.87 | 39.82 | 41.19 | 50.20 | 60.52 | 70.77 | 80.43 | a | 80.68 | 72.60 | 60.87 | 41.27 | 42.13 | 55.86 | ||||||||||||
1958 | 36.55 | 41.79 | 39.06 | 50.87 | 70.06 | 76.90 | 78.97 | 82.23 | 73.03 | 64.58 | 50.13 | 41.16 | 58.78 | |||||||||||||
1959 | 35.42 | 35.64 | 38.94 | 54.53 | 64.65 | 78.70 | 81.81 | 78.90 | 68.33 | 56.39 | 47.90 | 42.68 | 56.99 | |||||||||||||
1960 | 33.39 | 29.31 | 43.77 | 56.57 | 63.61 | 75.50 | 82.90 | 80.26 | 75.03 | 64.19 | 45.03 | 35.61 | 57.10 | |||||||||||||
1961 | 36.19 | 37.21 | 42.94 | 49.87 | 64.94 | 76.50 | 79.84 | 78.90 | 62.87 | 59.42 | 41.60 | 31.94 | 55.18 | |||||||||||||
1962 | 27.68 | 35.36 | 36.13 | 57.70 | 65.13 | 71.73 | 78.94 | 78.84 | 71.70 | 65.19 | 50.93 | 43.32 | 56.89 | |||||||||||||
1963 | 26.00 | 40.11 | 42.90 | 53.30 | 67.61 | 73.87 | 82.13 | 76.35 | 75.30 | 67.68 | 51.07 | 38.42 | 57.89 | |||||||||||||
1964 | 31.35 | 27.90 | 33.74 | 49.90 | 64.35 | 69.53 | 84.19 | 77.45 | 70.90 | a | 64.90 | 44.73 | 33.65 | 54.38 | ||||||||||||
1965 | 34.52 | 33.61 | 32.06 | 52.93 | 60.29 | 69.67 | 78.32 | 77.74 | 60.17 | 65.35 | 49.33 | 40.19 | 54.52 | |||||||||||||
1966 | 31.81 | 31.46 | 45.29 | 53.60 | 67.71 | 72.00 | 83.77 | 77.77 | 72.83 | 58.42 | 49.07 | 33.48 | 56.44 | |||||||||||||
1967 | 33.81 | 34.14 | 45.55 | 53.47 | 59.42 | 67.60 | 80.03 | 80.52 | 70.93 | a | 60.32 | 47.03 | 29.42 | 55.19 | ||||||||||||
1968 | 34.03 | 35.79 | 42.16 | 46.63 | 59.58 | 74.43 | 80.42 | 75.52 | 68.63 | 60.55 | 40.53 | 32.06 | 54.20 | |||||||||||||
1969 | 36.97 | 34.75 | 33.68 | 55.90 | 69.00 | 65.97 | 81.81 | 83.74 | 73.40 | 46.13 | 43.57 | 37.68 | 55.22 | |||||||||||||
1970 | 31.97 | 40.07 | 36.87 | 44.33 | 65.32 | 71.70 | 80.97 | 81.35 | 68.13 | 52.74 | 43.17 | 34.00 | 54.22 | |||||||||||||
1971 | 32.26 | 31.64 | 39.45 | 52.53 | 59.74 | 73.87 | 79.32 | 80.94 | 66.30 | 57.87 | a | 44.03 | 31.10 | 54.09 | ||||||||||||
1972 | 33.19 | 38.00 | 49.32 | 53.80 | 63.45 | 73.10 | 79.10 | ----- | z | 68.57 | 56.45 | 37.13 | 31.65 | 53.07 | a | |||||||||||
1973 | 28.90 | 35.25 | 38.42 | 44.17 | 60.84 | 70.47 | 75.65 | 78.97 | 67.87 | 62.23 | 42.72 | a | 37.42 | 53.57 | ||||||||||||
1974 | 31.06 | 38.04 | 46.17 | a | 51.57 | 66.48 | 74.50 | 78.48 | 76.68 | 68.30 | 59.81 | 43.90 | 32.13 | 55.59 | ||||||||||||
1975 | 31.10 | 34.11 | a | 40.26 | 47.77 | 59.61 | 68.40 | 77.68 | 75.32 | 68.43 | 61.45 | 46.47 | 37.42 | 54.00 | ||||||||||||
1976 | 34.23 | 41.00 | a | 40.00 | 54.23 | 63.87 | 70.97 | 80.19 | 75.45 | 68.20 | 58.10 | 46.50 | 38.42 | 55.93 | ||||||||||||
1977 | 33.42 | 40.86 | 40.06 | 56.03 | a | 64.48 | 78.77 | 80.71 | 75.45 | 73.33 | 62.48 | 44.90 | 37.00 | 57.29 | ||||||||||||
1978 | 33.26 | 37.11 | 47.45 | 56.31 | a | 59.90 | 73.73 | 80.10 | 78.16 | 73.72 | a | 61.84 | 45.93 | 29.19 | 56.39 | |||||||||||
1979 | 24.00 | 34.68 | 40.58 | 52.70 | 60.00 | 72.00 | 78.29 | 73.87 | 72.77 | 58.71 | 34.33 | 40.74 | 53.56 | |||||||||||||
1980 | 31.65 | 38.38 | 39.10 | 50.00 | 61.39 | 75.10 | 79.00 | 76.61 | 70.60 | 56.42 | 44.60 | 45.58 | 55.70 | |||||||||||||
1981 | 44.03 | 40.68 | 45.42 | 59.93 | 57.45 | 73.83 | 78.10 | 77.52 | 72.10 | 54.13 | 48.47 | 36.74 | 57.37 | |||||||||||||
1982 | 33.55 | 36.52 | a | 44.33 | a | 50.07 | 59.55 | 68.57 | 75.84 | 77.16 | 65.47 | 51.71 | 38.38 | a | 33.48 | b | 52.89 | |||||||||
1983 | 37.32 | 38.54 | 40.32 | 44.23 | 56.27 | a | 67.38 | a | 75.93 | a | 78.10 | 70.73 | 59.03 | 40.97 | 28.25 | c | 53.09 | |||||||||
1984 | 28.48 | 31.83 | 38.42 | 42.97 | 64.30 | a | 69.03 | 76.39 | 75.52 | b | 66.00 | a | 48.52 | 43.23 | 33.58 | 51.52 | ||||||||||
1985 | 27.13 | a | 30.18 | 41.87 | 55.40 | 64.52 | 71.63 | 76.23 | 77.23 | 63.48 | a | 55.60 | a | 37.90 | 30.71 | 52.66 | ||||||||||
1986 | 36.55 | 36.63 | a | 50.58 | 53.60 | 62.23 | 74.37 | 73.87 | 75.97 | 63.38 | a | 54.93 | a | 41.96 | b | 35.37 | a | 54.95 | ||||||||
1987 | 32.47 | a | 37.85 | b | 41.61 | 58.63 | 62.90 | a | 72.69 | a | 77.21 | c | 73.48 | 69.66 | a | 61.10 | b | 41.47 | 31.32 | 55.03 | ||||||
1988 | 29.29 | 35.31 | 39.39 | 57.69 | a | 63.73 | a | 76.43 | 78.81 | 78.87 | a | 67.10 | 62.03 | 38.60 | 33.35 | 55.05 | ||||||||||
1989 | 31.52 | 29.32 | 45.55 | 55.43 | 64.87 | 70.97 | 81.74 | 75.13 | 69.00 | 57.94 | 43.43 | 31.81 | 54.73 | |||||||||||||
1990 | 34.06 | 33.11 | 41.84 | 53.93 | 61.16 | 75.70 | 77.13 | 77.77 | 73.00 | 56.35 | 44.30 | 28.00 | 54.70 | |||||||||||||
1991 | 30.13 | 40.61 | 41.06 | 49.60 | 62.48 | 72.57 | 78.55 | 78.61 | 69.40 | 59.29 | 37.41 | a | 35.52 | 54.60 | ||||||||||||
1992 | ----- | z | 38.59 | 44.68 | 57.50 | 64.58 | 70.33 | 74.47 | a | 76.55 | 69.00 | 61.26 | 34.27 | 32.00 | 56.66 | a | ||||||||||
1993 | 34.50 | a | 31.50 | 41.74 | 46.57 | 61.97 | 68.90 | 76.06 | 75.35 | 67.50 | 52.50 | a | 36.03 | 33.06 | 52.14 | |||||||||||
1994 | 33.47 | a | 33.93 | 44.71 | 54.10 | 69.13 | 77.36 | b | 81.48 | 80.65 | 72.90 | 56.47 | a | 42.55 | a | 39.10 | a | 57.15 | ||||||||
1995 | 35.62 | b | 43.39 | 47.20 | a | 51.60 | 55.61 | 69.66 | a | 78.68 | 83.00 | 70.50 | 58.67 | a | 48.20 | 39.97 | 56.84 | |||||||||
1996 | 33.90 | a | 39.69 | 43.97 | 54.60 | 64.84 | 75.50 | 81.65 | 80.71 | 69.07 | 57.71 | 45.63 | 35.81 | 56.92 | ||||||||||||
1997 | 35.29 | 35.57 | 50.93 | a | 49.38 | a | 64.03 | a | 74.47 | 81.32 | 77.10 | 71.63 | 59.87 | 43.93 | 37.10 | 56.72 | ||||||||||
1998 | 38.52 | 37.86 | 45.03 | a | 54.30 | 67.03 | 67.82 | b | 82.39 | 78.39 | 77.20 | 60.17 | b | ----- | z | ----- | z | 60.87 | b | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.02 | 35.87 | 41.77 | 52.57 | 63.13 | 72.64 | 79.70 | 78.27 | 70.57 | 59.53 | 43.78 | 35.60 | 55.53 | |||||||||||||
S.D. | 4.01 | 3.92 | 4.12 | 3.98 | 3.38 | 3.34 | 2.69 | 2.32 | 3.87 | 4.64 | 4.66 | 4.17 | 1.73 | |||||||||||||
SKEW | -0.05 | -0.14 | 0.01 | -0.57 | -0.12 | -0.02 | 0.01 | 0.16 | -0.38 | -0.46 | 0.04 | 0.33 | -0.12 | |||||||||||||
MAX | 44.03 | 43.39 | 50.93 | 59.93 | 70.06 | 78.77 | 85.39 | 83.74 | 77.83 | 68.52 | 54.83 | 45.58 | 59.54 | |||||||||||||
MIN | 22.65 | 27.90 | 32.06 | 42.97 | 55.61 | 65.97 | 73.87 | 73.48 | 60.17 | 46.13 | 34.27 | 28.00 | 51.52 | |||||||||||||
YRS | 49 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 51 | 51 | 50 | 49 | 46 |