YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.59 | a | 34.83 | g | 48.59 | k |
1964 | 36.35 | 41.34 | 47.26 | 59.50 | 68.55 | 73.07 | 89.10 | 84.61 | 74.50 | 66.35 | 46.57 | 42.13 | 60.78 | |||||||||||||
1965 | 38.17 | a | 48.75 | 52.42 | 62.53 | 66.10 | 76.27 | 86.42 | 82.47 | a | 71.24 | a | 70.10 | 52.75 | b | 39.48 | 62.22 | |||||||||
1966 | 40.97 | 42.82 | 55.10 | 65.93 | a | 77.07 | a | 78.45 | a | 90.19 | 90.31 | b | 82.27 | 64.50 | a | 51.24 | a | 37.32 | 64.68 | |||||||
1967 | 44.32 | 49.07 | 53.13 | 52.14 | a | 71.00 | a | 76.13 | 91.00 | 93.80 | k | 82.03 | 64.47 | a | 49.67 | 39.55 | 61.14 | a | ||||||||
1968 | 38.00 | 48.32 | a | 57.52 | 58.60 | 70.97 | 81.30 | 91.84 | 80.71 | j | 77.17 | 63.45 | 46.27 | 40.45 | 61.26 | a | ||||||||||
1969 | 38.94 | 40.07 | 52.58 | 65.10 | 74.83 | a | 76.63 | 84.21 | l | 90.13 | 78.77 | 57.45 | 50.70 | 41.94 | 60.65 | a | ||||||||||
1970 | 42.32 | 49.11 | 51.03 | 54.60 | 70.35 | 80.17 | 90.13 | 91.47 | n | 73.63 | 61.42 | 49.97 | 37.52 | 60.02 | a | |||||||||||
1971 | 41.90 | 46.21 | 48.77 | 60.73 | 70.23 | a | 75.13 | 87.90 | 92.39 | c | 73.30 | 62.10 | 47.53 | 37.19 | 61.95 | |||||||||||
1972 | 37.90 | 43.17 | 56.68 | 59.60 | 73.26 | 79.93 | 87.65 | 88.29 | 72.63 | 63.35 | 47.20 | 34.40 | a | 62.01 | ||||||||||||
1973 | 36.60 | a | 45.32 | 51.68 | 59.40 | 74.52 | 81.67 | 90.26 | 88.35 | 76.17 | 64.65 | 47.30 | 42.94 | 63.24 | ||||||||||||
1974 | 36.26 | 45.96 | 51.35 | 61.67 | 69.39 | 86.37 | 87.19 | 86.61 | 81.62 | a | 62.71 | 49.00 | a | 40.39 | 63.21 | |||||||||||
1975 | 37.77 | 43.00 | a | 48.25 | c | 51.27 | 68.29 | 75.77 | 89.39 | 83.37 | a | 80.00 | 62.23 | 47.59 | a | 41.87 | 60.73 | |||||||||
1976 | 39.90 | 41.34 | 47.57 | a | 61.17 | 74.74 | 75.53 | 88.87 | 79.71 | 77.07 | 64.55 | 53.80 | 41.58 | 62.15 | ||||||||||||
1977 | 29.94 | 46.57 | 50.48 | 69.07 | 63.81 | 85.20 | 89.06 | 87.23 | 76.45 | a | 65.23 | 47.63 | 43.61 | 62.86 | ||||||||||||
1978 | 41.00 | 43.93 | 59.10 | 58.40 | 66.26 | 79.30 | 85.97 | 85.61 | 73.97 | 67.58 | 45.55 | a | 38.00 | d | 62.06 | |||||||||||
1979 | 27.03 | b | 43.04 | 52.97 | 60.43 | 71.65 | 81.23 | 89.45 | 85.03 | 81.21 | b | 66.00 | 44.53 | 44.55 | 62.26 | |||||||||||
1980 | 36.94 | 45.14 | 50.03 | 66.03 | 68.52 | 75.17 | 88.23 | 84.19 | 76.07 | 64.06 | 49.40 | 40.97 | a | 62.06 | ||||||||||||
1981 | 36.39 | 45.79 | 54.32 | 62.10 | 67.87 | 77.47 | 87.48 | 90.29 | 78.97 | 61.43 | c | 51.43 | 43.77 | 63.11 | ||||||||||||
1982 | 35.00 | 41.18 | 51.10 | a | 58.60 | 69.42 | 77.90 | 84.27 | a | 87.71 | 72.57 | 61.16 | 42.66 | a | 36.03 | 59.80 | ||||||||||
1983 | 42.45 | 47.52 | a | 52.06 | 55.87 | 69.65 | 76.63 | 83.43 | a | 86.37 | a | 75.43 | 64.45 | 49.37 | 31.84 | 61.26 | ||||||||||
1984 | 30.06 | 36.93 | 51.87 | a | 58.00 | 69.61 | 73.60 | 88.94 | 88.00 | 75.23 | 58.10 | 47.13 | 33.87 | 59.28 | ||||||||||||
1985 | 31.65 | 37.86 | 47.65 | 66.04 | d | 71.42 | 81.73 | 92.19 | 82.94 | 67.52 | e | 62.23 | 38.93 | 25.35 | 58.79 | |||||||||||
1986 | 38.00 | 47.71 | 58.84 | 62.03 | 71.68 | 85.03 | 83.87 | 90.19 | 68.93 | 65.90 | 53.63 | 36.77 | 63.55 | |||||||||||||
1987 | 37.35 | 45.21 | 53.10 | 72.90 | 74.42 | 82.13 | 84.45 | 86.94 | 81.60 | 69.10 | 47.80 | 40.97 | 64.66 | |||||||||||||
1988 | 36.42 | 48.69 | 56.87 | 65.87 | 72.45 | 83.97 | 92.00 | 89.19 | 78.13 | 73.00 | 47.03 | 33.77 | 64.78 | |||||||||||||
1989 | 34.52 | 33.93 | 52.84 | 66.63 | 70.87 | 82.53 | 90.71 | 83.19 | 76.65 | d | 63.10 | 50.83 | 42.52 | 62.36 | ||||||||||||
1990 | 44.03 | 44.36 | 57.77 | 68.73 | d | 67.94 | 80.33 | 89.97 | 86.87 | 83.80 | 64.35 | 53.17 | 30.23 | 64.30 | ||||||||||||
1991 | 35.42 | 49.04 | 51.73 | a | 59.69 | a | 64.97 | 75.33 | 90.13 | 90.58 | 79.57 | 64.97 | 44.20 | 38.94 | 62.05 | |||||||||||
1992 | 41.19 | 49.24 | 59.90 | 68.57 | 80.10 | 83.13 | 86.19 | 90.23 | 78.21 | a | 66.94 | 40.93 | 35.81 | 65.04 | ||||||||||||
1993 | 30.97 | 35.21 | 48.90 | 58.80 | 74.19 | 73.50 | 78.42 | 81.21 | g | 77.07 | 62.81 | 43.87 | 40.81 | 56.78 | a | |||||||||||
1994 | 41.48 | 41.18 | 61.00 | 64.63 | 72.00 | 82.67 | 92.45 | 90.84 | 81.33 | 61.48 | 39.83 | 36.94 | 63.82 | |||||||||||||
1995 | 42.03 | 51.14 | 52.61 | 58.70 | 67.03 | 75.03 | 86.48 | 86.19 | 83.77 | q | 60.29 | 52.97 | 39.29 | 61.07 | a | |||||||||||
1996 | 39.71 | 43.10 | 54.03 | 62.93 | a | 66.00 | 80.90 | 90.92 | g | 88.19 | 74.55 | a | 62.23 | 50.63 | 43.10 | 60.49 | a | |||||||||
1997 | 39.94 | 45.75 | 58.19 | 59.43 | 74.74 | 78.17 | 86.77 | 88.23 | 77.40 | 62.55 | 50.17 | 37.74 | 63.26 | |||||||||||||
1998 | 46.32 | 45.21 | 52.04 | e | 58.83 | 65.30 | a | 74.27 | 91.87 | 91.03 | 80.66 | a | 61.84 | 50.83 | 37.10 | 62.94 | ||||||||||
1999 | 43.81 | 44.43 | 52.00 | f | 59.83 | 69.29 | 78.77 | 87.74 | d | 86.61 | 78.77 | d | 66.00 | 56.10 | 38.57 | c | 64.54 | a | ||||||||
2000 | 41.29 | 48.59 | 53.96 | d | 68.07 | a | 71.10 | 83.41 | a | 89.29 | 89.94 | 74.00 | a | 61.52 | 39.43 | 35.77 | 63.03 | |||||||||
2001 | 32.81 | 40.07 | 55.92 | e | 59.36 | b | 76.90 | 81.17 | 87.13 | 91.42 | 79.93 | c | 65.13 | 50.03 | 35.08 | e | 62.91 | |||||||||
2002 | 39.26 | 42.54 | 54.35 | k | 62.57 | 71.94 | 82.23 | 93.59 | d | 84.19 | 76.93 | b | 60.64 | c | 49.28 | a | 43.39 | 64.23 | a | |||||||
2003 | 43.45 | b | 43.96 | 56.62 | g | 58.40 | 71.58 | 83.25 | b | 95.55 | 89.48 | b | 78.17 | 69.04 | c | 45.23 | 43.13 | 65.57 | a | |||||||
2004 | 33.64 | c | 40.03 | 59.12 | e | 65.63 | 67.21 | c | 81.07 | 89.71 | 86.77 | 73.97 | 62.06 | 45.20 | 41.16 | 62.13 | ||||||||||
2005 | 36.14 | c | 44.64 | 55.54 | e | 60.90 | 68.35 | 76.73 | 93.58 | 90.03 | 75.23 | 62.61 | 45.30 | 35.61 | 62.06 | |||||||||||
2006 | 42.55 | 43.39 | 49.78 | d | 61.77 | 74.42 | 83.30 | 94.55 | 87.23 | 77.03 | 61.87 | 51.10 | 38.55 | 63.79 | ||||||||||||
2007 | 37.00 | 48.04 | c | 59.12 | e | 63.13 | 76.10 | 85.00 | b | 96.71 | 88.66 | b | 75.26 | c | 59.63 | a | 49.83 | 36.90 | 64.61 | |||||||
2008 | 34.68 | 43.76 | 49.90 | 58.18 | b | 70.48 | 79.90 | 91.33 | a | 88.90 | 75.47 | 63.54 | c | 50.07 | 39.48 | 62.14 | ||||||||||
2009 | 39.17 | a | 43.29 | ----- | z | 62.13 | 74.00 | 75.80 | 90.03 | 86.23 | 80.57 | 56.52 | 48.63 | 32.81 | 62.65 | a | ||||||||||
2010 | 41.48 | 43.57 | 53.71 | 59.00 | 63.71 | 77.00 | 89.55 | 85.26 | 77.00 | 63.58 | 45.43 | 38.13 | 61.45 | |||||||||||||
2011 | 37.42 | 43.43 | 50.68 | 55.63 | 65.19 | 75.47 | 89.61 | 92.42 | 83.03 | 62.29 | 46.83 | 40.65 | 61.89 | |||||||||||||
2012 | 42.93 | a | 44.86 | 56.13 | 65.10 | 71.87 | 81.23 | 93.74 | 91.42 | 81.27 | 63.74 | 49.73 | 40.97 | 65.25 | ||||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.22 | 44.22 | 53.44 | 61.51 | 70.64 | 79.31 | 89.24 | 87.64 | 77.13 | 63.56 | 48.06 | 38.55 | 62.59 | |||||||||||||
S.D. | 4.19 | 3.71 | 3.65 | 4.38 | 3.68 | 3.58 | 3.38 | 2.89 | 3.59 | 3.07 | 3.75 | 3.87 | 1.52 | |||||||||||||
SKEW | -0.50 | -0.62 | 0.28 | 0.17 | 0.17 | 0.04 | -0.45 | -0.49 | -0.36 | 0.51 | -0.51 | -0.95 | -0.39 | |||||||||||||
MAX | 46.32 | 51.14 | 61.00 | 72.90 | 80.10 | 86.37 | 96.71 | 92.42 | 83.80 | 73.00 | 56.10 | 44.55 | 65.25 | |||||||||||||
MIN | 27.03 | 33.93 | 47.26 | 51.27 | 63.71 | 73.07 | 78.42 | 79.71 | 67.52 | 56.52 | 38.93 | 25.35 | 58.79 | |||||||||||||
YRS | 49 | 49 | 45 | 49 | 49 | 49 | 47 | 45 | 48 | 49 | 50 | 49 | 38 |