YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | ----- | z | 55.79 | d | 65.48 | 70.07 | 79.68 | 88.27 | 91.42 | 88.90 | 82.67 | 73.84 | 70.50 | 53.42 | 74.55 | a | ||||||||||
1950 | 59.35 | 64.79 | 67.19 | 75.30 | 83.61 | 89.63 | 86.26 | 87.10 | 78.60 | 80.68 | 63.63 | 56.58 | 74.39 | |||||||||||||
1951 | 51.61 | 57.39 | 64.48 | 71.50 | 79.42 | 85.80 | 93.23 | 93.65 | 85.97 | 74.42 | 58.50 | 54.55 | 72.54 | |||||||||||||
1952 | 58.71 | 58.66 | 60.65 | 71.10 | 81.45 | 94.27 | 92.90 | 94.97 | 85.03 | 75.45 | 57.13 | 50.71 | 73.42 | |||||||||||||
1953 | 62.03 | 58.75 | 69.87 | 72.73 | 82.45 | 98.37 | 93.81 | 90.00 | 88.93 | 73.81 | 62.60 | 50.77 | 75.34 | |||||||||||||
1954 | 56.06 | 67.93 | 62.19 | 78.57 | 74.16 | 90.77 | 97.03 | 92.74 | 89.03 | 76.16 | 67.47 | 58.29 | 75.87 | |||||||||||||
1955 | 52.90 | 55.29 | 68.94 | 76.57 | 81.29 | 86.50 | 90.39 | 90.77 | 85.20 | 77.87 | 61.63 | 57.68 | 73.75 | |||||||||||||
1956 | 53.48 | 50.62 | 68.58 | 73.83 | 87.29 | 92.60 | 92.00 | 92.52 | 90.37 | 78.81 | 61.47 | 59.29 | 75.07 | |||||||||||||
1957 | 51.06 | 61.21 | 58.68 | 68.20 | 72.23 | 87.77 | 95.29 | 91.29 | 82.90 | 68.45 | 54.30 | 61.77 | 71.10 | |||||||||||||
1958 | 51.68 | 51.32 | 48.48 | 66.37 | 82.03 | 92.00 | 91.26 | 93.06 | 84.37 | 73.42 | 64.13 | 55.00 | 71.09 | |||||||||||||
1959 | 48.26 | 56.32 | 66.32 | 73.63 | 82.90 | 90.20 | 89.94 | 93.16 | 86.13 | 71.26 | 62.70 | 53.06 | 72.82 | |||||||||||||
1960 | 45.06 | 45.14 | 60.26 | 76.00 | 82.87 | 91.53 | 88.87 | 91.52 | 84.10 | 73.29 | 63.23 | 48.52 | 70.87 | |||||||||||||
1961 | 53.03 | 56.29 | 62.71 | 74.20 | 83.10 | 87.23 | 90.71 | 90.45 | 83.73 | 76.71 | 54.37 | 50.35 | 71.91 | |||||||||||||
1962 | 48.10 | 64.50 | 64.58 | 73.27 | 88.00 | 87.13 | 91.61 | 92.90 | 84.13 | 78.70 | a | 62.67 | 56.61 | 74.35 | ||||||||||||
1963 | 47.71 | 62.00 | 69.26 | 79.63 | 85.39 | 89.40 | 96.29 | 92.65 | 87.47 | 83.06 | 66.00 | 46.60 | a | 75.45 | ||||||||||||
1964 | 55.39 | 45.83 | 64.45 | 76.55 | a | 85.26 | 90.30 | 95.58 | 92.29 | 82.73 | 77.10 | 60.50 | 54.03 | 73.33 | ||||||||||||
1965 | 57.81 | 57.43 | 56.06 | 77.90 | 82.00 | 86.47 | 94.23 | 92.74 | 84.57 | 76.74 | 69.00 | 57.23 | 74.35 | |||||||||||||
1966 | 44.65 | 51.21 | 70.90 | 73.60 | 86.45 | 89.90 | 98.90 | 86.94 | 81.87 | 76.29 | 68.33 | 52.61 | 73.47 | |||||||||||||
1967 | 59.45 | 58.39 | 72.87 | 78.03 | 79.87 | 88.20 | 91.16 | 90.45 | 83.13 | 78.84 | 62.43 | 49.45 | 74.36 | |||||||||||||
1968 | 53.47 | a | 53.41 | 65.87 | 72.00 | 77.52 | 91.03 | 91.00 | 89.61 | 86.83 | 79.97 | 58.00 | 51.97 | 72.56 | ||||||||||||
1969 | 57.47 | a | 54.75 | 51.81 | 75.80 | 81.60 | a | 87.93 | 97.74 | 95.06 | 82.69 | a | 66.87 | 63.13 | 52.65 | 72.29 | ||||||||||
1970 | 48.94 | 60.93 | 57.19 | 71.70 | 86.61 | 90.37 | 95.53 | a | 94.87 | 86.80 | 69.81 | 63.17 | 60.00 | 73.83 | ||||||||||||
1971 | 53.71 | 54.50 | 68.10 | 73.57 | 82.58 | 92.17 | 93.19 | 87.35 | 81.40 | 73.68 | 59.70 | 50.71 | 72.55 | |||||||||||||
1972 | 53.23 | 62.41 | 72.45 | 79.30 | 79.48 | 89.77 | 89.81 | 88.06 | 85.33 | 73.35 | 48.90 | 47.61 | 72.48 | |||||||||||||
1973 | 44.23 | 54.79 | 59.97 | 64.97 | 77.26 | 90.20 | 91.55 | 93.58 | 82.50 | 78.58 | 65.47 | 53.45 | 71.38 | |||||||||||||
1974 | 50.35 | 61.57 | 70.29 | 76.20 | 88.52 | 90.40 | 94.74 | 86.81 | 77.40 | 72.29 | 58.50 | 50.10 | 73.10 | |||||||||||||
1975 | 53.52 | 48.57 | 62.23 | 71.57 | 81.00 | 88.73 | 88.10 | 91.68 | 81.47 | 80.35 | 60.40 | 56.55 | 72.01 | |||||||||||||
1976 | 54.35 | 65.21 | 65.55 | 73.10 | 76.13 | 89.80 | 89.55 | 92.00 | a | 81.53 | 67.52 | 57.60 | 54.90 | 72.27 | ||||||||||||
1977 | 44.06 | 60.46 | 65.55 | 71.13 | 79.45 | 91.83 | 94.10 | 89.61 | 87.43 | 77.32 | 65.07 | 55.94 | 73.50 | |||||||||||||
1978 | 41.58 | 40.39 | 64.68 | 77.47 | 78.58 | 89.13 | 97.23 | 90.74 | 84.87 | 74.68 | 58.23 | 48.68 | 70.52 | |||||||||||||
1979 | 37.10 | 55.43 | 62.35 | 71.07 | 77.26 | 86.20 | 91.74 | 88.77 | 86.37 | 80.55 | 54.27 | 55.03 | 70.51 | |||||||||||||
1980 | 48.06 | 53.24 | 62.29 | 70.40 | 76.83 | a | 95.00 | 100.80 | a | 93.52 | 87.43 | 75.90 | 58.13 | 58.32 | 73.33 | |||||||||||
1981 | 54.17 | a | 61.63 | a | 61.87 | 78.30 | 78.58 | 94.17 | a | 93.97 | 88.06 | 83.90 | 71.23 | 62.70 | 54.55 | 73.59 | ||||||||||
1982 | 55.03 | 50.82 | 63.55 | 71.93 | 79.03 | 82.80 | 91.52 | 91.81 | 85.93 | 74.65 | 58.30 | 48.26 | 71.14 | |||||||||||||
1983 | 47.13 | 48.75 | 58.35 | 66.69 | a | 76.58 | 85.07 | a | 95.00 | 96.73 | a | 88.93 | a | 74.10 | b | 63.23 | 36.73 | a | 69.78 | |||||||
1984 | 46.83 | a | 59.72 | 59.13 | a | 65.70 | 81.52 | 88.27 | 92.10 | 89.77 | a | 82.13 | 68.23 | 59.03 | 50.81 | 70.27 | ||||||||||
1985 | 43.81 | 50.82 | 63.26 | 74.13 | 81.61 | 87.80 | 94.68 | 93.23 | 82.13 | 70.00 | 57.20 | 47.42 | 70.51 | |||||||||||||
1986 | 60.27 | a | 54.54 | 68.71 | 76.63 | 80.16 | 86.53 | 95.00 | 87.71 | 81.93 | 68.45 | 57.67 | 48.52 | 72.18 | ||||||||||||
1987 | 46.87 | 54.25 | 60.48 | 72.93 | 78.48 | 85.50 | 89.97 | 89.29 | 81.30 | 73.65 | 58.77 | 48.32 | 69.98 | |||||||||||||
1988 | 44.13 | 55.03 | 61.06 | 70.33 | 77.35 | 87.83 | 89.55 | 90.00 | 81.77 | 74.35 | 63.17 | 53.77 | 70.70 | |||||||||||||
1989 | 56.39 | 43.19 | a | 70.26 | 76.10 | 80.71 | 82.77 | 90.06 | 88.26 | 81.10 | 77.26 | 66.63 | 45.58 | 71.53 | ||||||||||||
1990 | 52.26 | 55.54 | 60.84 | 71.03 | 78.74 | 96.40 | 88.84 | 89.97 | 85.03 | 74.45 | 64.93 | 48.48 | 72.21 | |||||||||||||
1991 | 43.94 | 62.25 | 66.74 | 74.50 | 82.35 | 87.03 | 89.65 | 88.00 | 79.63 | 75.63 | a | 54.33 | 49.35 | 71.12 | ||||||||||||
1992 | 49.94 | 57.86 | 66.65 | 73.10 | 76.32 | 81.87 | 90.29 | 85.71 | 84.40 | 76.77 | 51.55 | a | 47.29 | 70.15 | ||||||||||||
1993 | 43.45 | 49.43 | 61.16 | 70.10 | 78.84 | 88.77 | 92.55 | 89.90 | a | 83.97 | 71.00 | 57.10 | 52.65 | 69.91 | ||||||||||||
1994 | 53.16 | 54.32 | 64.71 | 74.23 | 78.48 | 95.27 | 91.87 | 92.68 | 84.80 | 72.42 | 59.63 | 55.48 | 73.09 | |||||||||||||
1995 | 50.77 | 60.93 | 62.35 | 70.33 | 74.60 | a | 85.27 | 92.42 | 92.39 | 82.17 | 76.61 | 65.50 | 50.71 | 72.00 | ||||||||||||
1996 | 52.48 | 59.17 | 62.90 | a | 75.37 | 89.23 | 90.20 | 90.39 | 85.68 | 79.27 | 73.77 | 60.03 | 54.10 | 72.72 | ||||||||||||
1997 | 47.97 | 50.36 | 67.97 | a | 63.07 | 78.20 | a | 86.27 | 93.23 | 89.52 | 86.27 | 73.13 | a | 55.20 | 44.26 | 69.62 | ||||||||||
1998 | 52.58 | 53.29 | 57.06 | 69.47 | 86.77 | 95.14 | a | 96.68 | 91.81 | 90.63 | 74.13 | 62.37 | 51.71 | 73.47 | ||||||||||||
1999 | 54.60 | a | 64.71 | 60.26 | 69.57 | 77.90 | 86.47 | 92.39 | 93.29 | 81.60 | 75.71 | 68.87 | 51.77 | 73.09 | ||||||||||||
2000 | 53.61 | 65.41 | 62.77 | 75.20 | 86.77 | 84.50 | 94.42 | 97.68 | 92.50 | 72.77 | 52.73 | 42.93 | b | 73.44 | ||||||||||||
2001 | 41.71 | 52.67 | a | 58.75 | k | ----- | z | ----- | z | 96.20 | y | 100.87 | a | 94.06 | 85.50 | 75.71 | 62.63 | 54.97 | 71.01 | d | ||||||
2002 | 53.71 | 54.64 | 62.06 | m | ----- | z | 81.94 | 90.40 | 92.45 | 90.21 | g | 82.87 | 65.19 | d | 57.80 | 48.26 | 69.69 | c | ||||||||
2003 | 54.39 | 49.71 | 63.10 | a | 75.38 | a | 82.35 | 83.03 | 98.10 | 95.45 | 80.77 | 76.20 | a | 59.83 | a | 56.26 | 72.88 | |||||||||
2004 | 53.65 | 52.71 | a | 69.00 | a | 69.23 | 87.93 | a | 87.50 | 90.45 | 87.52 | 84.77 | 71.84 | 53.00 | 53.93 | a | 71.79 | |||||||||
2005 | 50.10 | 55.18 | 59.52 | 70.70 | 77.65 | 88.43 | b | 87.19 | 85.70 | k | 88.73 | 75.62 | b | 67.67 | c | 52.65 | 70.31 | a | ||||||||
2006 | 62.13 | 59.79 | 64.94 | 81.97 | 87.37 | a | 93.70 | 96.32 | 90.39 | 79.90 | 74.03 | 63.63 | 49.77 | 75.33 | ||||||||||||
2007 | 42.80 | a | 55.41 | a | 70.29 | 66.63 | 77.71 | 85.27 | 91.74 | 94.03 | 86.59 | a | 79.68 | 63.69 | a | 49.17 | a | 71.92 | ||||||||
2008 | 53.45 | 59.17 | 66.10 | 76.50 | 84.23 | a | 95.53 | 91.43 | a | 89.19 | 82.20 | 74.55 | 63.73 | 55.17 | a | 74.27 | ||||||||||
2009 | 55.57 | a | 62.86 | 69.45 | 73.34 | a | 79.69 | b | 91.37 | 95.40 | a | 91.13 | 81.73 | 68.13 | 66.96 | c | 45.90 | b | 73.46 | |||||||
2010 | 50.65 | 45.15 | a | 64.83 | b | 74.33 | 81.16 | 94.67 | 91.06 | 95.55 | 92.53 | 78.71 | 63.54 | b | 54.87 | 73.92 | ||||||||||
2011 | 52.20 | a | 54.57 | 68.60 | a | 81.13 | 85.33 | a | 100.93 | 100.90 | 100.10 | 87.70 | 76.71 | 63.07 | 44.65 | 76.32 | ||||||||||
2012 | 58.13 | 53.83 | 74.94 | 79.77 | 87.27 | a | 94.83 | 97.55 | 95.00 | a | 86.60 | 74.16 | 69.17 | 54.68 | 77.16 | |||||||||||
2013 | 51.06 | 51.96 | 66.94 | 72.53 | 85.48 | 94.50 | h | 91.65 | 92.26 | 87.77 | 75.90 | 58.90 | 50.81 | 71.39 | a | |||||||||||
2014 | 53.84 | 54.07 | 65.74 | 76.43 | 84.94 | 90.73 | 89.55 | 93.13 | 82.97 | 78.87 | 62.86 | b | 52.74 | 73.82 | ||||||||||||
2015 | 51.58 | 58.32 | 68.39 | 76.43 | 75.42 | 88.40 | 91.23 | 91.87 | 91.17 | 76.97 | 64.80 | 55.23 | 74.15 | |||||||||||||
2016 | 54.65 | 64.62 | 72.45 | 75.33 | 81.39 | 91.80 | 98.58 | 91.97 | 87.07 | 85.48 | 69.17 | a | 54.97 | 77.29 | ||||||||||||
2017 | 54.48 | 68.25 | 75.10 | a | 75.67 | 82.55 | 94.70 | 96.97 | 87.35 | 85.67 | 77.58 | 70.52 | a | 55.55 | 77.03 | |||||||||||
2018 | 58.19 | 61.18 | 71.53 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.69 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 51.57 | 56.15 | 64.62 | 73.42 | 81.28 | 89.67 | 93.07 | 91.35 | 84.59 | 74.92 | 61.46 | 52.10 | 72.87 | |||||||||||||
S.D. | 5.26 | 5.87 | 5.06 | 3.92 | 3.90 | 3.86 | 3.30 | 2.92 | 3.25 | 3.84 | 4.79 | 4.40 | 1.86 | |||||||||||||
SKEW | -0.36 | -0.22 | -0.44 | -0.29 | 0.13 | 0.41 | 0.51 | 0.29 | 0.35 | -0.15 | -0.25 | -0.59 | 0.36 | |||||||||||||
MAX | 62.13 | 68.25 | 75.10 | 81.97 | 89.23 | 100.93 | 100.90 | 100.10 | 92.53 | 85.48 | 70.52 | 61.77 | 77.29 | |||||||||||||
MIN | 37.10 | 40.39 | 48.48 | 63.07 | 72.23 | 81.87 | 86.26 | 85.68 | 77.40 | 65.19 | 48.90 | 36.73 | 69.62 | |||||||||||||
YRS | 69 | 70 | 67 | 67 | 68 | 67 | 69 | 67 | 69 | 69 | 69 | 69 | 64 |