YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.14 | p | 40.53 | a | 40.53 | k |
1961 | 45.03 | b | 52.85 | b | 56.60 | a | 65.43 | 78.84 | 93.13 | 95.23 | a | 92.79 | b | 76.77 | 69.64 | f | 53.25 | b | 38.77 | 68.06 | a | |||||
1962 | 39.87 | 50.11 | 53.87 | a | 73.77 | 78.45 | 89.41 | a | 94.90 | b | 94.39 | 85.50 | 73.90 | 57.43 | 43.48 | 69.59 | ||||||||||
1963 | 35.10 | a | 53.32 | 57.19 | 67.57 | 83.52 | 87.66 | a | 97.41 | b | 90.39 | 88.96 | g | 79.55 | 57.90 | 41.42 | 68.27 | a | ||||||||
1964 | 41.90 | a | 46.72 | 54.74 | 67.67 | 83.39 | 88.63 | 97.53 | a | 91.30 | d | 83.97 | 77.20 | a | 49.93 | 43.42 | 68.87 | |||||||||
1965 | 44.10 | 47.82 | 57.33 | m | 65.31 | a | 74.27 | a | 83.97 | 92.06 | 90.03 | 78.30 | 73.16 | 57.97 | a | 42.92 | e | 68.17 | a | |||||||
1966 | 40.35 | e | 44.21 | 61.77 | 70.70 | 82.43 | a | 89.27 | 96.19 | 93.79 | c | 84.47 | 71.65 | 57.60 | 42.68 | c | 69.59 | |||||||||
1967 | 40.65 | 52.29 | 63.55 | 66.70 | 74.60 | a | 84.07 | a | 94.00 | 92.16 | 84.20 | 75.71 | 58.33 | 35.42 | 68.47 | |||||||||||
1968 | 36.50 | a | 50.97 | 59.67 | d | 64.10 | 75.67 | a | 91.27 | 92.68 | 86.32 | 83.55 | a | 72.43 | a | 50.72 | a | 38.65 | 66.88 | |||||||
1969 | 43.10 | 45.75 | 54.06 | 71.87 | 82.53 | a | 84.10 | 94.97 | 95.81 | 84.90 | 63.61 | 52.40 | 43.52 | 68.05 | ||||||||||||
1970 | 42.84 | 56.57 | 53.48 | 61.23 | 81.23 | 88.18 | b | 94.77 | 93.62 | b | 81.14 | a | 64.35 | 54.89 | b | 44.77 | 68.09 | |||||||||
1971 | 44.39 | 49.96 | b | 59.70 | a | 67.25 | b | 76.17 | a | 87.71 | i | 100.00 | p | 94.03 | 82.31 | a | 71.33 | d | 54.39 | b | 40.48 | 64.00 | b | |||
1972 | 48.83 | a | 50.44 | b | 66.03 | a | 66.33 | 78.72 | b | 88.52 | e | 95.71 | 91.42 | 82.80 | 65.47 | a | 47.67 | 41.03 | b | 68.58 | ||||||
1973 | 36.77 | i | 47.04 | 53.84 | 65.03 | 79.06 | 87.20 | 94.68 | 92.80 | a | 82.83 | 73.61 | 56.10 | 43.94 | 70.56 | a | ||||||||||
1974 | 36.32 | 44.75 | 63.63 | a | 67.66 | a | 84.65 | 92.24 | i | 92.92 | g | 92.35 | 85.93 | 71.74 | 55.14 | b | 40.19 | 64.24 | b | |||||||
1975 | 37.68 | 45.44 | a | 53.57 | a | 62.87 | 75.10 | 85.77 | 93.16 | 91.67 | a | 84.30 | 72.97 | 55.50 | b | 44.39 | 66.87 | |||||||||
1976 | 39.65 | 53.72 | 58.68 | 69.79 | a | 80.83 | a | 89.93 | a | 97.27 | a | 90.42 | 83.03 | 70.61 | 59.70 | 45.81 | 69.95 | |||||||||
1977 | 37.97 | 53.00 | 57.48 | b | 73.13 | 78.07 | a | 94.62 | a | 95.42 | ----- | z | ----- | z | 76.77 | 60.03 | 52.19 | 67.87 | b | |||||||
1978 | 44.77 | 48.93 | 62.52 | 71.23 | 76.10 | 89.70 | 96.97 | a | 93.87 | a | 86.27 | 82.05 | j | 52.53 | 34.55 | 68.86 | a | |||||||||
1979 | 34.32 | 45.25 | 55.87 | 68.23 | 76.10 | 89.47 | 96.19 | 90.77 | 89.67 | 76.13 | 47.76 | a | 42.68 | 67.70 | ||||||||||||
1980 | 41.68 | 52.79 | 54.84 | 67.90 | 72.23 | 92.07 | c | 97.77 | 92.26 | 84.87 | 72.57 | a | 57.71 | b | 51.13 | a | 69.82 | |||||||||
1981 | 49.45 | 54.58 | b | 56.68 | 73.76 | e | 78.36 | c | 95.57 | b | 94.57 | c | 92.52 | b | 84.92 | e | 67.11 | c | 58.19 | c | 46.04 | c | 70.98 | |||
1982 | 38.40 | f | 46.32 | 54.65 | 63.67 | c | 77.12 | e | 87.03 | 92.48 | 89.73 | a | 79.17 | 65.52 | 51.40 | 42.55 | 68.15 | a | ||||||||
1983 | 43.61 | 47.29 | 54.16 | 58.17 | a | 67.80 | a | 83.85 | c | 91.24 | b | 91.07 | a | 86.67 | 71.00 | 54.32 | b | 40.42 | 65.80 | |||||||
1984 | 39.81 | 47.59 | 55.13 | 61.68 | b | 82.39 | 83.77 | 93.39 | 90.45 | 83.37 | 60.71 | 54.70 | ----- | z | 68.45 | a | ||||||||||
1985 | 43.40 | p | 44.50 | f | 56.00 | c | 69.55 | a | 78.74 | 92.90 | 95.45 | 93.87 | 78.03 | 71.75 | c | 52.73 | 45.38 | b | 73.44 | b | ||||||
1986 | 48.89 | c | 54.67 | a | 66.50 | a | 69.11 | c | 77.24 | f | 89.25 | b | 90.33 | a | 93.47 | a | 76.00 | a | 66.03 | 55.57 | 44.70 | a | 68.59 | a | ||
1987 | 39.81 | 47.93 | 54.06 | 71.86 | a | 75.74 | 92.00 | 94.26 | 88.97 | 84.73 | 74.81 | 52.27 | 40.65 | 68.09 | ||||||||||||
1988 | 37.77 | 51.17 | 57.52 | 69.37 | 77.58 | 91.60 | 98.23 | 93.90 | 82.50 | 78.10 | 55.67 | 43.58 | 69.75 | |||||||||||||
1989 | 37.32 | 47.46 | 63.48 | 73.83 | 81.74 | 89.63 | 98.97 | 90.94 | 87.23 | 72.58 | 59.93 | 45.84 | 70.75 | |||||||||||||
1990 | 42.42 | 51.11 | 61.58 | 70.23 | 77.74 | 93.93 | 94.26 | 92.61 | 86.30 | 71.29 | 55.17 | 38.71 | 69.61 | |||||||||||||
1991 | 36.45 | 51.21 | 54.26 | 64.53 | 78.48 | 88.30 | 94.55 | 93.10 | 85.10 | 74.29 | 51.63 | 38.10 | 67.50 | |||||||||||||
1992 | 38.71 | 50.17 | 61.00 | 74.67 | 80.26 | 88.87 | 90.23 | 92.29 | 85.47 | 76.19 | 49.13 | 40.19 | 68.93 | |||||||||||||
1993 | 44.45 | 47.46 | 60.48 | 66.53 | 77.52 | 87.67 | 94.68 | 90.06 | 84.17 | 68.55 | 51.67 | 45.65 | 68.24 | |||||||||||||
1994 | 48.19 | 46.61 | 64.03 | 67.90 | 80.71 | 94.93 | 98.77 | 96.42 | 85.35 | d | 68.90 | 51.60 | 46.19 | 70.80 | ||||||||||||
1995 | 44.87 | 59.43 | 60.33 | a | 65.30 | 72.29 | 85.60 | 93.29 | 95.97 | 86.45 | a | 74.45 | 62.03 | 49.97 | a | 70.83 | ||||||||||
1996 | 44.68 | 55.07 | 61.29 | 69.40 | 83.16 | 91.83 | 97.26 | 95.13 | 80.55 | a | 67.71 | 54.63 | 44.32 | 70.42 | ||||||||||||
1997 | 44.10 | 49.96 | 63.97 | 61.27 | 78.65 | 87.57 | 93.58 | 89.87 | 80.87 | 71.06 | 54.90 | 42.23 | 68.17 | |||||||||||||
1998 | 48.00 | 48.18 | 57.61 | 61.53 | 77.16 | 85.37 | 95.65 | 93.94 | 87.50 | 69.42 | 55.57 | 48.03 | a | 69.00 | ||||||||||||
1999 | 49.71 | 54.32 | 67.10 | 60.87 | 74.71 | 87.23 | 93.19 | 87.55 | 81.40 | 77.29 | 64.87 | 46.74 | 70.41 | |||||||||||||
2000 | 47.52 | 52.83 | 56.97 | 72.83 | 82.84 | 91.37 | 97.23 | 95.35 | 85.17 | 70.81 | 50.03 | 47.55 | 70.87 | |||||||||||||
2001 | 45.65 | 49.96 | 59.87 | 67.87 | 82.19 | 92.10 | 95.32 | 90.74 | 88.13 | 74.19 | 60.70 | 42.26 | 70.75 | |||||||||||||
2002 | 42.77 | 48.21 | 56.74 | 73.37 | 80.67 | a | 95.23 | 98.81 | 92.87 | 81.40 | 67.00 | 55.86 | i | 45.21 | g | 73.71 | b | |||||||||
2003 | 50.61 | 49.36 | 57.80 | a | 67.47 | 79.00 | 89.30 | 102.65 | 95.39 | 84.90 | 77.55 | 52.37 | 45.03 | 70.95 | ||||||||||||
2004 | 40.39 | 45.48 | 66.77 | 67.50 | 79.45 | 91.47 | 95.45 | 91.97 | 81.23 | 67.39 | 53.23 | 44.71 | 68.75 | |||||||||||||
2005 | 49.23 | 50.82 | 57.97 | 66.67 | 79.10 | 85.53 | 100.48 | 90.32 | 83.17 | 71.35 | 58.03 | 45.74 | 69.87 | |||||||||||||
2006 | 47.94 | 52.50 | 56.00 | 70.43 | 83.13 | 93.47 | 95.10 | 89.13 | 77.43 | 65.26 | 48.48 | e | 43.03 | 68.49 | ||||||||||||
2007 | 43.23 | 53.07 | 62.52 | 68.57 | 78.74 | 93.10 | 99.84 | 94.65 | 85.97 | 70.81 | 63.17 | 40.39 | 71.17 | |||||||||||||
2008 | 39.84 | 46.07 | 59.55 | 66.00 | 75.52 | 90.30 | 98.00 | 94.84 | 85.57 | 73.48 | 61.47 | 43.32 | 69.50 | |||||||||||||
2009 | 45.03 | 52.96 | 62.35 | 66.83 | 82.39 | 84.90 | 98.71 | 95.29 | 87.40 | 67.87 | 61.23 | 38.42 | 70.28 | |||||||||||||
2010 | 40.74 | 45.32 | 56.26 | 67.17 | 74.68 | 91.47 | 96.39 | 89.87 | 88.77 | 74.03 | 55.53 | 49.61 | 69.15 | |||||||||||||
2011 | 39.81 | 46.75 | 61.32 | 66.20 | 72.84 | 90.33 | 95.13 | 96.52 | 85.53 | 71.55 | 56.57 | 42.84 | 68.78 | |||||||||||||
2012 | 47.61 | 50.07 | 64.00 | 74.33 | 83.74 | ----- | z | 96.77 | 95.29 | 86.40 | 73.61 | 63.30 | 44.06 | 70.84 | a | |||||||||||
2013 | 36.13 | 46.00 | 61.16 | 67.03 | 78.61 | 95.13 | 96.65 | 90.48 | 82.57 | 66.81 | 55.27 | 39.68 | 67.96 | |||||||||||||
2014 | 49.55 | 53.79 | 62.29 | 66.43 | 76.68 | 90.83 | 97.45 | 88.48 | 86.47 | 73.55 | 57.83 | 47.77 | 70.93 | |||||||||||||
2015 | 47.68 | 56.96 | 66.35 | 68.60 | 72.19 | 91.33 | 91.48 | 92.58 | 87.93 | 73.81 | 55.60 | 39.87 | 70.37 | |||||||||||||
2016 | 42.71 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.71 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.82 | 50.05 | 59.24 | 67.71 | 78.40 | 89.61 | 95.60 | 92.33 | 83.94 | 71.48 | 55.48 | 43.25 | 69.26 | |||||||||||||
S.D. | 4.39 | 3.55 | 4.01 | 3.79 | 3.58 | 3.28 | 2.54 | 2.35 | 3.09 | 4.10 | 4.06 | 3.64 | 1.33 | |||||||||||||
SKEW | -0.02 | 0.37 | 0.28 | -0.16 | -0.44 | -0.09 | 0.15 | -0.22 | -0.72 | -0.39 | 0.17 | 0.11 | -0.46 | |||||||||||||
MAX | 50.61 | 59.43 | 67.10 | 74.67 | 84.65 | 95.57 | 102.65 | 96.52 | 89.67 | 79.55 | 64.87 | 52.19 | 71.17 | |||||||||||||
MIN | 34.32 | 44.21 | 53.48 | 58.17 | 67.80 | 83.77 | 90.23 | 86.32 | 76.00 | 60.71 | 47.67 | 34.55 | 65.80 | |||||||||||||
YRS | 53 | 54 | 54 | 55 | 54 | 52 | 53 | 54 | 53 | 53 | 54 | 54 | 41 |