YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.88 | g | 47.07 | b | 35.63 | 41.35 | j | |
1955 | 35.95 | 38.78 | a | 41.24 | 49.58 | 58.37 | 69.19 | a | 71.93 | a | 74.65 | 67.28 | 55.82 | a | 36.62 | a | 34.81 | 52.85 | ||||||||
1956 | 35.50 | b | 28.86 | 45.80 | a | 56.32 | 63.55 | 65.95 | 77.69 | 74.26 | 66.38 | 54.48 | 39.65 | 37.71 | 53.85 | |||||||||||
1957 | 24.88 | e | 38.15 | b | 45.58 | 55.07 | 65.52 | 69.95 | 73.66 | 72.39 | 68.93 | 52.87 | 42.80 | 42.18 | 54.33 | |||||||||||
1958 | 40.08 | 46.88 | 45.48 | 52.57 | 66.24 | 72.27 | 80.79 | 80.11 | 65.87 | 55.77 | 44.48 | 38.55 | 57.42 | |||||||||||||
1959 | 36.63 | a | 40.84 | 47.15 | 54.12 | 58.21 | 68.20 | 76.63 | 72.03 | 63.83 | 55.00 | 38.67 | 35.23 | 53.88 | ||||||||||||
1960 | 26.42 | 39.62 | 45.08 | 53.88 | 59.10 | 69.90 | 79.97 | 71.95 | 66.25 | 55.10 | 44.30 | 32.37 | 53.66 | |||||||||||||
1961 | 36.79 | 45.66 | 48.31 | 53.08 | 60.18 | 72.67 | 79.27 | 80.15 | 63.28 | 52.69 | 38.10 | 36.94 | 55.59 | |||||||||||||
1962 | 32.06 | 39.22 | a | 42.87 | 55.30 | b | 56.23 | 66.52 | 73.31 | 70.52 | 64.72 | 53.45 | 45.26 | a | 39.29 | 53.23 | ||||||||||
1963 | 28.13 | 38.39 | 45.97 | 50.67 | 61.23 | 67.37 | 70.64 | b | 73.81 | 67.91 | b | 57.00 | 45.83 | 33.27 | 53.35 | |||||||||||
1964 | 40.24 | 41.14 | 44.17 | a | 52.02 | 58.98 | 67.38 | a | 74.66 | 70.32 | 63.86 | a | 53.11 | 41.75 | 33.17 | a | 53.40 | |||||||||
1965 | 37.10 | 43.02 | a | 43.60 | a | 56.14 | a | 60.81 | 68.12 | a | 75.95 | 75.15 | 62.70 | 57.39 | 46.53 | 36.85 | 55.28 | |||||||||
1966 | 37.69 | 40.41 | 45.92 | a | 55.05 | a | 62.37 | 66.90 | 72.02 | 75.19 | 69.02 | 54.65 | 45.72 | 41.55 | a | 55.54 | ||||||||||
1967 | 43.74 | 43.62 | 45.88 | a | 49.63 | 62.08 | a | 71.72 | 78.11 | 80.55 | 71.05 | 55.98 | 43.98 | 36.48 | 56.90 | |||||||||||
1968 | 36.76 | 42.26 | 48.92 | a | 51.95 | a | 62.47 | a | 69.37 | 77.93 | a | 72.02 | 66.53 | 52.89 | 43.98 | 34.27 | 54.95 | |||||||||
1969 | 24.52 | a | 35.62 | 45.27 | 52.58 | 63.81 | 72.37 | 74.79 | 72.68 | 66.42 | 52.15 | 45.00 | 38.25 | a | 53.62 | |||||||||||
1970 | 33.97 | 41.41 | 45.38 | a | 48.83 | 60.03 | 71.32 | 77.44 | 74.15 | a | 60.77 | 52.19 | 43.20 | 36.42 | 53.76 | |||||||||||
1971 | 40.60 | b | 41.39 | 42.82 | 51.55 | 62.29 | 64.79 | a | 76.27 | 79.08 | a | 61.67 | 52.76 | 43.78 | a | 38.66 | 54.64 | |||||||||
1972 | 34.55 | a | 37.00 | 47.34 | 49.10 | 61.85 | 68.87 | 74.56 | 76.11 | 63.12 | a | 53.48 | 44.12 | a | 28.68 | 53.23 | ||||||||||
1973 | 30.85 | 37.86 | 47.65 | 53.27 | 62.82 | a | 68.02 | 76.40 | 74.05 | a | 65.13 | 54.65 | 43.05 | a | 41.50 | 54.60 | ||||||||||
1974 | 30.32 | 42.37 | a | 46.10 | 52.25 | 58.26 | 69.32 | 73.15 | a | 74.90 | a | 66.58 | 53.97 | a | 44.37 | 41.31 | 54.41 | |||||||||
1975 | 36.34 | 36.41 | 43.29 | 47.68 | 58.47 | a | 64.07 | b | 74.56 | 70.03 | a | 65.73 | 53.90 | 41.18 | 39.35 | 52.59 | ||||||||||
1976 | 37.69 | 38.53 | 42.26 | 50.55 | 60.23 | 63.98 | 73.40 | 70.34 | 68.03 | 53.31 | 43.47 | 34.82 | 53.05 | |||||||||||||
1977 | 27.79 | 41.45 | 45.35 | 55.43 | 56.87 | 71.23 | 72.66 | 78.05 | 62.25 | 53.47 | 41.65 | 38.23 | 53.70 | |||||||||||||
1978 | 33.85 | 40.04 | 47.42 | 52.32 | 56.03 | p | 69.33 | j | 74.68 | 73.13 | 63.87 | 55.19 | 36.90 | a | 34.68 | 51.21 | b | |||||||||
1979 | 18.92 | 36.48 | 47.16 | 54.02 | 62.37 | 68.97 | 75.79 | 74.27 | a | 67.72 | 56.87 | 38.77 | 38.02 | 53.28 | ||||||||||||
1980 | 27.11 | 35.81 | 45.31 | 55.00 | 60.06 | 65.13 | c | 73.39 | 72.73 | i | 61.81 | q | 52.81 | 44.19 | a | 38.93 | c | 49.77 | b | |||||||
1981 | ----- | z | ----- | z | 49.18 | t | 51.57 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | 38.02 | c | 45.57 | b | 50.31 | v | 58.26 | j | 70.42 | x | 73.45 | a | 74.35 | a | 64.33 | a | 52.22 | a | 39.93 | a | 36.98 | c | 53.11 | d |
1983 | 40.32 | 43.36 | 50.03 | 52.38 | a | 63.15 | 66.37 | 71.16 | c | 74.95 | a | 62.31 | c | 54.28 | d | 48.17 | 26.33 | b | 54.40 | |||||||
1984 | 33.31 | d | 40.76 | b | 47.97 | 51.59 | a | 56.83 | a | 65.05 | 74.95 | b | 74.92 | a | 63.59 | c | 52.02 | 43.40 | 32.06 | 53.04 | ||||||
1985 | 29.63 | a | 32.22 | a | 44.69 | b | 55.41 | b | 62.32 | a | 69.25 | 79.78 | a | 72.02 | a | 61.19 | f | 53.80 | f | 29.68 | b | 23.68 | a | 49.87 | b | |
1986 | 34.81 | d | 39.38 | 49.18 | c | 50.93 | a | 60.22 | a | 71.06 | c | 70.29 | c | 78.33 | b | 63.69 | c | 56.04 | c | 45.66 | e | 34.75 | a | 54.53 | ||
1987 | 33.50 | b | 40.91 | e | 47.57 | b | 56.31 | a | 63.07 | b | 69.78 | a | 73.79 | 73.53 | b | 68.34 | a | 55.00 | 46.87 | c | 32.77 | g | 57.15 | a | ||
1988 | 34.73 | a | 40.34 | 46.43 | c | 53.55 | a | 59.56 | 66.48 | a | 74.21 | 72.69 | 64.50 | 59.53 | 47.14 | a | 36.69 | b | 54.66 | |||||||
1989 | 39.42 | 26.36 | 43.95 | 55.27 | b | 59.37 | d | 68.89 | b | 72.64 | b | 71.81 | 65.90 | 54.81 | 46.77 | 34.95 | 53.34 | |||||||||
1990 | 40.97 | 38.57 | 46.29 | 56.25 | b | 59.03 | a | 66.87 | 76.63 | a | 75.06 | 70.72 | 53.34 | 46.98 | 27.88 | b | 54.88 | |||||||||
1991 | 31.13 | 42.55 | 43.69 | 52.80 | 58.00 | 63.15 | 74.85 | 76.66 | 67.33 | 54.40 | 43.20 | 39.39 | 53.93 | |||||||||||||
1992 | 39.06 | 42.43 | 48.90 | a | 55.05 | 62.76 | 72.53 | 73.15 | 74.52 | 62.92 | 55.35 | 43.08 | 34.70 | a | 55.37 | |||||||||||
1993 | 24.76 | 30.54 | 40.69 | 52.40 | a | 63.72 | a | 65.58 | 68.21 | 70.89 | 64.82 | 55.89 | 36.02 | 37.52 | 50.92 | |||||||||||
1994 | 40.18 | 35.13 | b | 46.58 | 56.03 | 62.84 | 65.92 | 77.69 | 74.26 | 68.10 | a | 53.71 | 41.43 | 37.48 | 54.95 | |||||||||||
1995 | 33.13 | 41.95 | 45.87 | 51.60 | 61.63 | a | 65.90 | 74.11 | 69.40 | a | 69.17 | c | 52.95 | 46.78 | a | 36.55 | 54.09 | |||||||||
1996 | 35.52 | 32.91 | 44.40 | 52.98 | 56.26 | 64.92 | 74.73 | 72.84 | 63.23 | 53.87 | 40.95 | 34.32 | 52.24 | |||||||||||||
1997 | 34.05 | 39.30 | 46.29 | 51.14 | a | 61.74 | 65.67 | a | 72.13 | 75.44 | 65.97 | 53.61 | 44.18 | 37.23 | 53.90 | |||||||||||
1998 | 36.93 | a | 42.86 | 47.18 | 51.58 | 59.65 | 67.15 | 79.32 | a | 75.50 | 69.97 | 53.13 | 47.55 | 37.08 | 55.66 | |||||||||||
1999 | 40.65 | 43.16 | 45.87 | a | 50.57 | 57.11 | 65.14 | a | 71.20 | a | 74.94 | 63.92 | 53.33 | a | 47.58 | 40.15 | a | 54.47 | ||||||||
2000 | 36.79 | 39.43 | a | 45.73 | a | 54.82 | 60.40 | 68.09 | a | 73.50 | b | 74.21 | c | 63.50 | a | 53.29 | 38.12 | b | 33.48 | 53.45 | ||||||
2001 | 35.13 | 37.48 | 46.52 | a | 51.10 | 60.92 | a | 65.03 | a | 74.82 | a | 75.56 | 68.57 | 54.08 | 44.00 | 38.82 | a | 54.34 | ||||||||
2002 | 38.55 | a | 39.06 | a | 42.76 | 52.70 | 58.63 | 68.45 | a | 76.21 | 72.48 | 65.78 | 51.80 | a | 41.98 | 39.71 | 54.01 | |||||||||
2003 | 40.52 | 40.80 | 49.40 | 53.02 | a | 60.06 | 69.17 | 77.98 | a | 75.44 | 67.63 | 58.31 | 40.59 | a | 36.84 | 55.81 | ||||||||||
2004 | 28.81 | b | 38.75 | e | 50.20 | a | 54.73 | 60.76 | 68.65 | 77.24 | 76.34 | 65.43 | b | 56.53 | 43.35 | 38.21 | 54.92 | |||||||||
2005 | 33.69 | 37.82 | 49.34 | 54.12 | d | 62.40 | 66.05 | a | ----- | z | ----- | z | 65.02 | ----- | z | 42.17 | f | 30.33 | a | 49.85 | d | |||||
2006 | 41.56 | 37.20 | a | 46.24 | 53.19 | a | 60.92 | a | 67.75 | 77.58 | a | ----- | z | 65.38 | 53.63 | 42.75 | 34.14 | b | 52.76 | a | ||||||
2007 | 31.81 | 38.83 | a | 48.06 | 52.53 | 60.61 | c | 66.83 | 77.42 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.73 | e | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.46 | 39.06 | 45.98 | 52.94 | 60.69 | 67.87 | 75.03 | 74.29 | 65.69 | 54.33 | 42.95 | 36.01 | 54.18 | |||||||||||||
S.D. | 5.28 | 3.89 | 2.17 | 2.13 | 2.30 | 2.45 | 2.74 | 2.63 | 2.44 | 1.69 | 3.60 | 3.80 | 1.18 | |||||||||||||
SKEW | -0.71 | -1.05 | -0.22 | -0.27 | 0.04 | 0.25 | -0.01 | 0.48 | 0.23 | 0.93 | -1.19 | -1.10 | 0.22 | |||||||||||||
MAX | 43.74 | 46.88 | 50.20 | 56.32 | 66.24 | 72.67 | 80.79 | 80.55 | 71.05 | 59.53 | 48.17 | 42.18 | 57.42 | |||||||||||||
MIN | 18.92 | 26.36 | 40.69 | 47.68 | 56.23 | 63.15 | 68.21 | 69.40 | 60.77 | 51.80 | 29.68 | 23.68 | 50.92 | |||||||||||||
YRS | 51 | 52 | 52 | 51 | 50 | 50 | 51 | 48 | 49 | 49 | 51 | 51 | 44 |