YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.94 | n | ----- | z | 57.83 | 34.87 | 46.35 | j | ||
1964 | 42.39 | 45.45 | 50.94 | 63.73 | 75.74 | 80.70 | 92.50 | a | ----- | z | 79.13 | 68.90 | 52.58 | d | 34.17 | b | 62.38 | a | ||||||||
1965 | 38.69 | b | 39.15 | a | 36.48 | d | 64.85 | j | 71.52 | 77.30 | t | 85.76 | b | 85.70 | a | 64.30 | 71.00 | 52.93 | 45.34 | b | 59.09 | b | ||||
1966 | 29.06 | 34.44 | a | 52.41 | d | 55.38 | a | 76.57 | a | 83.79 | a | 95.35 | 83.94 | 77.04 | b | 66.26 | 50.90 | 39.00 | 62.01 | |||||||
1967 | 39.81 | 41.61 | 50.97 | 62.45 | a | 63.27 | a | 73.53 | 85.52 | 86.81 | 78.23 | 68.13 | a | 49.07 | 34.81 | 61.18 | ||||||||||
1968 | 34.26 | 40.62 | 56.70 | a | 58.63 | 64.32 | 78.30 | 85.39 | 84.90 | a | 78.00 | 69.45 | 48.67 | 31.19 | 60.87 | |||||||||||
1969 | 27.42 | 39.74 | a | 43.27 | a | 66.33 | 76.32 | 75.30 | 88.42 | 94.06 | 84.80 | 54.13 | 54.33 | 40.35 | 62.04 | |||||||||||
1970 | 33.16 | 47.67 | a | 41.35 | 53.73 | 73.77 | 83.73 | 92.68 | 94.58 | 77.33 | 59.23 | 48.43 | 37.13 | 61.90 | ||||||||||||
1971 | 31.06 | 32.86 | 47.16 | 62.50 | 68.48 | 83.13 | 88.87 | 94.42 | 75.07 | 61.45 | 47.41 | a | 38.60 | a | 60.92 | |||||||||||
1972 | 32.19 | 40.79 | a | 56.23 | 60.57 | 70.87 | 82.53 | 85.03 | 86.42 | 81.77 | 63.61 | 41.97 | a | 28.45 | 60.87 | |||||||||||
1973 | 35.13 | 42.36 | 51.29 | 58.23 | 71.57 | a | 83.17 | 89.42 | 96.06 | 73.03 | 68.52 | 45.37 | 37.87 | 62.67 | ||||||||||||
1974 | 32.16 | 48.32 | 54.16 | 63.00 | a | 73.26 | 86.37 | 97.23 | 85.16 | 77.52 | a | 70.10 | a | 51.60 | 42.94 | 65.15 | ||||||||||
1975 | 37.77 | a | 31.93 | 42.52 | 55.60 | 70.81 | 79.53 | 94.19 | 90.37 | a | 78.93 | 68.74 | 48.53 | 43.06 | 61.83 | |||||||||||
1976 | 35.39 | 48.52 | 51.19 | 63.17 | 73.07 | a | 85.83 | a | 92.16 | 90.29 | 83.63 | 63.10 | 46.87 | 40.19 | 64.45 | |||||||||||
1977 | 27.77 | 47.61 | 49.90 | 64.43 | 76.97 | 85.23 | 91.83 | a | 82.39 | 80.43 | 65.97 | 47.17 | 34.94 | 62.89 | ||||||||||||
1978 | 22.90 | 25.57 | 50.97 | 58.37 | 71.23 | 85.00 | 90.16 | 89.55 | 85.43 | 68.74 | 44.73 | 27.93 | a | 60.05 | ||||||||||||
1979 | 18.61 | 31.11 | 48.32 | 61.27 | 69.90 | 82.27 | 87.10 | 84.39 | 87.03 | 68.06 | 44.57 | 47.61 | 60.85 | |||||||||||||
1980 | 35.14 | b | 40.93 | 46.71 | 65.03 | 74.03 | 87.10 | 96.26 | 89.23 | ----- | z | 65.19 | 51.50 | 42.29 | 63.04 | a | ||||||||||
1981 | 43.77 | 43.21 | 56.68 | 70.57 | 69.77 | 84.80 | 89.29 | 88.00 | 82.80 | 64.90 | 55.37 | 37.32 | 65.54 | |||||||||||||
1982 | 26.50 | a | 38.11 | 49.00 | a | 58.90 | 68.32 | 75.72 | a | 90.35 | 88.74 | 77.63 | 62.06 | 45.86 | a | 39.03 | 60.02 | |||||||||
1983 | 44.03 | 50.85 | a | 48.68 | 52.41 | a | 66.58 | 79.31 | a | 91.26 | 95.74 | 82.30 | 66.52 | 45.27 | 17.03 | a | 61.67 | |||||||||
1984 | 34.39 | 46.76 | 47.67 | a | 57.48 | a | 71.71 | 83.00 | a | 91.58 | 96.46 | e | 76.59 | a | 64.68 | 52.73 | 35.90 | 63.25 | ||||||||
1985 | 33.13 | 37.89 | 53.42 | 70.03 | 82.45 | 83.43 | 94.90 | a | 88.13 | a | 73.83 | 65.61 | 28.53 | 29.61 | 61.75 | |||||||||||
1986 | 38.74 | 34.57 | 56.81 | 60.93 | 71.97 | 85.66 | a | 90.61 | 87.81 | 70.23 | 62.97 | 45.41 | a | 44.35 | 62.51 | |||||||||||
1987 | 45.77 | a | 45.21 | 43.90 | 70.40 | 75.37 | a | 86.10 | 94.84 | 87.58 | 80.97 | 66.35 | 55.03 | a | 42.29 | 66.15 | ||||||||||
1988 | 32.61 | 42.21 | 51.52 | 66.63 | 74.52 | 92.13 | 93.68 | 92.67 | a | 79.43 | ----- | z | ----- | z | ----- | z | 69.49 | c | ||||||||
1989 | ----- | z | ----- | z | ----- | z | 59.43 | 70.47 | a | 79.00 | 91.83 | a | 89.45 | 75.83 | 63.55 | 48.27 | 30.68 | 67.61 | c | |||||||
1990 | 44.63 | a | 39.61 | 48.55 | 58.53 | 66.35 | 81.80 | 85.74 | 89.45 | 83.00 | 65.13 | 54.53 | 30.87 | 62.35 | ||||||||||||
1991 | 28.39 | 48.18 | 50.52 | 59.10 | 67.87 | 79.43 | 86.13 | 89.61 | 79.43 | 62.42 | 38.87 | 43.48 | 61.12 | |||||||||||||
1992 | 42.81 | 47.66 | 54.19 | 60.90 | 74.61 | 75.50 | 77.42 | 81.52 | 80.03 | 66.23 | 40.43 | 30.16 | 60.95 | |||||||||||||
1993 | 27.33 | a | 27.81 | b | 47.35 | 55.77 | 69.29 | 72.96 | b | 79.55 | 82.10 | 69.62 | a | 61.32 | 39.41 | a | 38.61 | 55.93 | ||||||||
1994 | 30.53 | a | 31.85 | a | 52.97 | 59.83 | 74.48 | 80.10 | 83.45 | 88.90 | 80.60 | 61.83 | a | 46.37 | 42.13 | a | 61.09 | |||||||||
1995 | 36.97 | b | 44.68 | 46.03 | 50.73 | 60.74 | 74.67 | 85.81 | 91.47 | a | 76.00 | 60.29 | 46.67 | 38.45 | 59.38 | |||||||||||
1996 | 27.47 | a | 40.21 | 38.13 | 57.97 | 62.61 | 80.07 | 85.00 | 89.17 | a | 72.57 | 63.48 | 34.47 | 29.87 | 56.75 | |||||||||||
1997 | 29.13 | a | 39.50 | 51.77 | a | 51.30 | 65.41 | b | 79.47 | 84.23 | 82.97 | 76.86 | a | 65.13 | 46.80 | 41.39 | 59.50 | |||||||||
1998 | 37.58 | 47.07 | 39.27 | a | 62.59 | a | 71.07 | b | 72.67 | f | 90.32 | l | 86.86 | c | 82.60 | 61.10 | 50.90 | 45.38 | b | 58.44 | b | |||||
1999 | 39.39 | 52.68 | 54.45 | b | 57.17 | 68.10 | 76.90 | 85.70 | a | 87.00 | c | 74.03 | 65.68 | 60.67 | 48.72 | b | 64.21 | |||||||||
2000 | 41.19 | 48.52 | d | 54.15 | d | 58.88 | d | 71.48 | b | 77.90 | 88.45 | b | 91.68 | c | 78.47 | m | 68.65 | h | 36.73 | d | 28.00 | i | 63.22 | c | ||
2001 | 42.04 | f | 29.43 | 48.03 | a | 62.28 | e | 70.43 | a | 77.15 | d | 89.74 | 90.57 | c | 81.21 | b | 64.84 | 56.07 | 41.88 | f | 66.98 | b | ||||
2002 | 41.97 | 47.43 | 36.40 | a | 60.32 | b | 65.68 | 86.63 | c | 94.40 | a | 87.10 | a | 76.03 | a | 53.87 | 50.30 | 45.56 | d | 62.14 | ||||||
2003 | 41.26 | 37.81 | b | 50.58 | 63.20 | 68.65 | 75.83 | 94.40 | a | 92.80 | a | 77.21 | b | 70.17 | a | 43.07 | b | 41.77 | e | 63.06 | ||||||
2004 | 36.52 | 44.74 | b | 55.23 | 65.50 | 73.06 | 76.23 | 88.16 | 83.90 | 78.10 | 66.13 | a | 50.87 | 44.48 | f | 65.31 | a | |||||||||
2005 | 33.90 | a | 48.71 | 51.70 | a | 61.72 | a | 67.29 | 79.70 | 90.97 | 86.00 | 82.32 | b | 65.97 | a | 56.14 | b | 37.44 | d | 63.49 | ||||||
2006 | 50.29 | 38.29 | 48.20 | a | 64.93 | a | 73.39 | 85.79 | a | 94.84 | 88.87 | a | 70.93 | a | 59.90 | b | 50.17 | 42.00 | d | 63.97 | ||||||
2007 | 37.03 | 33.64 | 60.90 | 58.70 | 75.35 | 85.15 | d | 95.45 | 86.61 | 79.47 | 68.12 | e | 56.07 | b | ----- | z | 66.96 | a | ||||||||
2008 | ----- | z | ----- | z | ----- | z | ----- | z | 66.03 | 77.59 | a | 89.24 | b | 84.67 | a | 75.63 | 63.30 | a | 50.50 | 34.38 | e | 67.67 | d | |||
2009 | 38.61 | 42.67 | a | 50.35 | 53.23 | 71.81 | 75.53 | 83.87 | 87.50 | o | 78.53 | 50.10 | 58.20 | 27.26 | 57.29 | a | ||||||||||
2010 | 32.00 | 31.36 | 49.37 | a | 60.67 | 64.71 | 77.00 | 87.94 | 91.03 | 78.32 | b | 69.48 | 46.97 | a | 37.23 | 60.51 | ||||||||||
2011 | 31.87 | 31.86 | 44.77 | 56.80 | 63.13 | 77.87 | 90.03 | 89.41 | b | 78.73 | 67.10 | 51.90 | 40.16 | 60.30 | ||||||||||||
2012 | 41.97 | 40.54 | a | 64.68 | 65.83 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.25 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.28 | 40.67 | 49.70 | 60.54 | 70.51 | 80.83 | 89.50 | 88.58 | 78.10 | 64.54 | 48.48 | 37.54 | 61.76 | |||||||||||||
S.D. | 6.51 | 6.70 | 5.85 | 4.68 | 4.41 | 4.35 | 4.40 | 3.78 | 4.39 | 4.34 | 6.37 | 6.39 | 2.12 | |||||||||||||
SKEW | -0.12 | -0.35 | -0.24 | 0.07 | -0.02 | 0.21 | -0.44 | 0.23 | -0.64 | -1.23 | -0.74 | -0.75 | -0.40 | |||||||||||||
MAX | 50.29 | 52.68 | 64.68 | 70.57 | 82.45 | 92.13 | 97.23 | 96.46 | 87.03 | 71.00 | 60.67 | 48.72 | 66.15 | |||||||||||||
MIN | 18.61 | 25.57 | 36.40 | 50.73 | 60.74 | 72.96 | 77.42 | 81.52 | 64.30 | 50.10 | 28.53 | 17.03 | 55.93 | |||||||||||||
YRS | 46 | 47 | 47 | 47 | 48 | 46 | 47 | 46 | 46 | 46 | 48 | 44 | 36 |