YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1951 | ----- | z | ----- | z | ----- | z | 67.33 | x | 77.84 | 85.52 | a | 94.94 | 89.43 | j | 83.14 | a | 63.32 | 48.17 | 34.90 | 69.69 | e | |||||
1952 | 32.32 | 45.21 | 55.84 | 70.43 | 78.52 | 82.90 | 94.81 | 92.13 | 87.10 | 75.77 | 43.33 | 40.40 | a | 66.56 | ||||||||||||
1953 | 50.45 | 51.89 | 59.32 | 63.67 | 73.32 | 77.27 | 93.06 | 90.13 | a | 84.60 | 70.58 | 53.47 | 47.06 | 67.90 | ||||||||||||
1954 | 37.97 | a | 45.89 | 53.50 | a | 64.93 | 78.27 | a | 79.00 | 89.42 | 85.94 | 78.70 | 64.42 | 53.90 | a | 40.29 | 64.35 | |||||||||
1955 | 34.39 | 43.86 | 50.52 | 60.33 | 70.65 | 85.07 | 89.94 | 92.55 | 81.57 | 65.93 | a | 40.93 | 34.20 | a | 62.49 | |||||||||||
1956 | 38.68 | 35.38 | 54.52 | 70.50 | 79.50 | a | 80.50 | 95.16 | 91.58 | 83.50 | 63.87 | 43.73 | 42.32 | 64.94 | ||||||||||||
1957 | 26.67 | a | 43.89 | 53.65 | 68.07 | 80.53 | a | 84.63 | 89.71 | 87.10 | 84.67 | 60.43 | a | 49.87 | 45.61 | 64.57 | ||||||||||
1958 | 43.94 | 53.04 | 54.97 | 63.67 | 85.39 | 90.03 | 98.13 | 98.63 | a | 79.60 | 69.13 | 50.93 | 40.39 | 68.99 | ||||||||||||
1959 | 40.00 | 43.96 | 58.65 | 68.90 | 72.35 | 83.23 | 94.06 | 87.16 | 75.87 | 65.53 | a | 48.17 | 41.16 | 64.92 | ||||||||||||
1960 | 33.45 | 47.97 | 57.55 | 66.27 | 72.94 | 85.73 | 98.55 | 85.74 | 83.50 | 68.00 | a | 50.80 | 36.35 | 65.57 | ||||||||||||
1961 | 40.90 | 52.04 | 55.94 | 64.97 | a | 73.16 | 91.00 | 95.42 | 97.53 | a | 78.30 | 64.68 | 46.93 | 40.84 | 66.81 | |||||||||||
1962 | 40.19 | 46.14 | 54.68 | 70.93 | 69.68 | 84.43 | 91.48 | 86.19 | 83.80 | ----- | z | 51.93 | 42.84 | 65.66 | a | |||||||||||
1963 | 36.45 | 48.07 | 59.58 | 61.13 | 76.39 | 83.40 | 87.35 | 91.77 | 86.93 | 69.42 | 52.03 | 36.42 | 65.75 | |||||||||||||
1964 | 43.13 | a | 50.21 | 56.52 | 63.66 | a | 74.55 | 81.27 | 91.68 | 86.03 | 78.43 | 67.10 | 44.03 | 34.52 | 64.26 | |||||||||||
1965 | 39.94 | 50.21 | 56.97 | 69.13 | 74.97 | a | 84.97 | 93.35 | 89.03 | 77.73 | 71.13 | 50.70 | 40.42 | 66.55 | ||||||||||||
1966 | 39.74 | 48.61 | 56.68 | 67.73 | 78.87 | 80.53 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.03 | f | ||||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.07 | 65.45 | 49.47 | 38.97 | 57.49 | h | ||||
1971 | 43.77 | 50.79 | 51.94 | 64.77 | 77.29 | 78.17 | 92.58 | 97.13 | 75.13 | 65.16 | 49.33 | 37.35 | 65.28 | |||||||||||||
1972 | 38.90 | 44.28 | 58.42 | 62.90 | 77.21 | b | 82.64 | e | 89.94 | 91.84 | 75.80 | 67.06 | 48.53 | 36.39 | 64.49 | |||||||||||
1973 | 37.52 | 45.82 | 59.90 | 68.57 | 78.58 | 82.83 | 92.42 | 90.90 | 80.83 | 64.87 | 43.90 | 43.68 | 65.82 | |||||||||||||
1974 | 38.71 | 50.36 | 55.94 | 65.00 | 71.32 | 87.10 | 89.06 | 91.58 | 84.93 | 69.42 | 51.20 | 43.81 | 66.54 | |||||||||||||
1975 | 39.90 | 41.57 | 52.97 | 60.90 | 74.81 | 81.30 | 92.88 | g | 85.87 | 83.53 | 64.45 | 51.40 | 42.58 | 61.75 | a | |||||||||||
1976 | 40.00 | 48.72 | 55.03 | 64.50 | 77.13 | a | 80.07 | 89.39 | 84.55 | 84.90 | 66.90 | 52.67 | 41.03 | 65.41 | ||||||||||||
1977 | 32.48 | 51.50 | 57.61 | 72.97 | a | 71.42 | 87.00 | 90.06 | 94.19 | 74.90 | 66.94 | 48.30 | 42.16 | 65.79 | ||||||||||||
1978 | 38.58 | 44.50 | 58.81 | 64.43 | 72.26 | 85.70 | 91.00 | a | 88.81 | 76.83 | 68.61 | 43.60 | 37.93 | a | 64.26 | |||||||||||
1979 | 25.35 | 42.21 | 59.94 | 66.77 | 79.03 | ----- | z | 92.23 | 90.45 | 84.47 | 70.71 | 42.50 | 43.00 | 63.33 | a | |||||||||||
1980 | 31.45 | 39.52 | 56.55 | 70.20 | 74.10 | 77.87 | 90.71 | 87.81 | 80.10 | 68.10 | 49.57 | 41.87 | 63.99 | |||||||||||||
1981 | 43.32 | 48.22 | a | 62.65 | 66.30 | 74.39 | 79.27 | 88.84 | 96.16 | 82.60 | 65.40 | a | 53.53 | 40.03 | 66.73 | |||||||||||
1982 | 37.74 | 47.89 | 58.35 | 63.17 | 73.84 | 86.90 | 90.00 | 92.32 | 80.63 | 64.55 | 46.17 | 39.81 | 65.11 | |||||||||||||
1983 | 45.68 | 49.07 | 58.92 | e | 64.57 | b | 77.97 | 83.30 | 85.77 | 91.48 | 77.40 | 66.90 | 51.90 | a | 28.10 | 65.09 | ||||||||||
1984 | 40.03 | 46.55 | 58.35 | 63.10 | 70.16 | 79.27 | 92.52 | 90.87 | 75.90 | 64.26 | 47.10 | 31.55 | 63.31 | |||||||||||||
1985 | 30.26 | 39.89 | 57.00 | 69.43 | 79.03 | 85.63 | 98.76 | b | 87.00 | 72.07 | 64.06 | 36.93 | a | 25.55 | 62.13 | |||||||||||
1986 | 39.50 | a | 45.50 | 60.90 | 65.17 | 75.13 | 87.77 | 85.23 | 94.81 | 74.47 | 69.52 | 51.40 | 37.00 | 65.53 | ||||||||||||
1987 | 35.84 | 49.25 | 58.06 | 70.53 | 78.68 | 85.17 | 87.52 | 89.06 | 85.50 | 69.68 | 54.20 | 37.06 | 66.71 | |||||||||||||
1988 | 39.39 | 51.14 | 57.61 | 67.70 | 73.81 | 80.20 | 90.45 | 89.39 | 80.30 | 72.26 | 52.30 | 37.94 | 66.04 | |||||||||||||
1989 | 44.29 | 35.64 | 53.29 | 68.50 | 73.42 | 85.00 | 89.55 | 86.84 | 82.27 | 66.16 | 52.57 | 38.74 | 64.69 | |||||||||||||
1990 | 47.13 | a | 46.43 | 60.57 | a | 71.33 | 73.00 | 80.73 | 93.16 | 89.33 | a | 87.63 | 64.13 | 57.24 | a | 34.03 | 67.06 | |||||||||
1991 | 35.68 | 53.56 | a | 54.61 | 66.93 | 71.42 | 77.10 | 91.13 | 91.97 | 84.00 | 67.00 | 47.30 | 45.45 | 65.51 | ||||||||||||
1992 | 43.35 | 50.07 | ----- | z | ----- | z | 80.42 | 88.93 | ----- | z | 91.16 | 76.93 | 67.29 | 48.00 | b | 36.79 | b | 64.77 | c | |||||||
1993 | 30.58 | 38.21 | 52.40 | a | 64.03 | 81.32 | c | 81.50 | b | 81.94 | 85.81 | 81.76 | a | 68.77 | 47.50 | 40.06 | 62.82 | |||||||||
1994 | 46.03 | 43.86 | 63.03 | 69.55 | a | 77.13 | 82.69 | a | 94.87 | 90.65 | 84.60 | 66.58 | 47.63 | 40.71 | 67.28 | |||||||||||
1995 | 39.70 | a | 53.25 | 57.29 | 64.10 | 78.39 | 83.03 | a | 90.40 | a | 84.90 | 83.17 | 63.45 | 51.63 | 38.43 | a | 65.65 | |||||||||
1996 | 33.33 | a | 40.59 | 55.13 | 66.73 | 70.71 | 83.14 | b | 94.13 | 89.83 | a | 77.87 | 63.52 | 45.57 | 33.03 | 62.80 | ||||||||||
1997 | 38.53 | a | 46.07 | 57.23 | 63.73 | 77.29 | 80.77 | 89.68 | 91.16 | 79.63 | 64.65 | 49.87 | 41.13 | 64.98 | ||||||||||||
1998 | 41.37 | a | 50.61 | 59.39 | 66.93 | 75.77 | 84.37 | 97.19 | 94.06 | 87.70 | 65.84 | 53.03 | 40.81 | 68.09 | ||||||||||||
1999 | 46.23 | a | 51.75 | 58.39 | 67.27 | 71.83 | b | 81.60 | 89.93 | a | 90.87 | a | 80.97 | 65.45 | 54.27 | 44.90 | 66.95 | |||||||||
2000 | 39.84 | 46.76 | 56.77 | 70.43 | 75.67 | a | 83.79 | a | 90.68 | 90.06 | 77.86 | a | 64.90 | 41.47 | 34.16 | 64.37 | ||||||||||
2001 | 39.10 | a | 44.71 | 59.23 | a | 64.20 | 79.50 | a | 80.43 | 90.19 | 92.50 | a | 84.03 | 64.87 | 52.43 | 41.94 | 66.10 | |||||||||
2002 | 45.39 | 49.54 | 53.74 | 66.37 | 72.32 | 84.87 | 93.03 | a | ----- | z | 81.03 | 66.23 | 50.80 | 42.03 | 64.12 | a | ||||||||||
2003 | 43.68 | 51.36 | 60.58 | 64.77 | 74.55 | 87.76 | a | 96.32 | 92.97 | b | 84.73 | 72.52 | 47.82 | b | 39.39 | 68.04 | ||||||||||
2004 | 35.43 | a | 45.30 | b | 64.97 | 70.57 | 74.42 | 85.71 | b | 94.79 | b | 92.97 | 80.30 | 69.07 | a | 50.93 | 44.13 | 67.38 | ||||||||
2005 | 37.19 | 51.50 | 63.55 | 68.75 | b | 78.34 | b | 82.27 | 93.35 | 93.76 | b | 79.37 | 66.42 | 46.33 | 34.74 | 66.30 | ||||||||||
2006 | 45.19 | 47.86 | 56.55 | 66.21 | a | 76.03 | 83.83 | 95.39 | 91.74 | 82.14 | a | 66.73 | a | 50.50 | b | 38.10 | b | 66.69 | ||||||||
2007 | 38.36 | c | 46.36 | 60.90 | b | 66.67 | 80.74 | 84.07 | a | 97.19 | 90.87 | 82.33 | 64.87 | a | 51.37 | 44.94 | o | 69.43 | a | |||||||
2008 | 32.17 | g | 48.69 | 55.94 | 62.89 | b | 79.90 | b | 84.56 | l | 95.36 | q | 90.65 | 82.48 | i | 65.96 | e | 54.73 | d | 44.00 | t | 65.54 | e | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.98 | 46.89 | 57.33 | 66.45 | 75.84 | 83.29 | 91.93 | 90.55 | 80.98 | 66.76 | 49.15 | 39.08 | 65.57 | |||||||||||||
S.D. | 5.16 | 4.33 | 3.04 | 2.98 | 3.40 | 3.19 | 3.48 | 3.30 | 3.78 | 2.77 | 4.02 | 4.29 | 1.54 | |||||||||||||
SKEW | -0.42 | -0.76 | 0.18 | 0.09 | 0.23 | 0.13 | -0.21 | 0.23 | -0.22 | 0.81 | -0.72 | -0.82 | -0.18 | |||||||||||||
MAX | 50.45 | 53.56 | 64.97 | 72.97 | 85.39 | 91.00 | 98.76 | 98.63 | 87.70 | 75.77 | 57.24 | 47.06 | 68.99 | |||||||||||||
MIN | 25.35 | 35.38 | 50.52 | 60.33 | 69.68 | 77.10 | 81.94 | 84.55 | 72.07 | 60.43 | 36.93 | 25.55 | 62.13 | |||||||||||||
YRS | 52 | 53 | 52 | 52 | 54 | 52 | 50 | 51 | 53 | 53 | 54 | 52 | 45 |