YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 83.29 | 82.00 | 76.90 | 67.06 | 53.07 | 37.00 | a | 66.55 | f | |||||
1949 | 34.42 | 43.75 | 49.58 | 67.93 | 69.74 | 79.07 | 86.32 | 82.65 | 82.80 | 67.32 | c | 62.11 | b | 46.39 | 64.34 | |||||||||||
1950 | 38.90 | 48.71 | 51.68 | 64.07 | 71.61 | 76.67 | 89.74 | 87.84 | 80.13 | 66.94 | 56.90 | 45.97 | 64.93 | |||||||||||||
1951 | 42.42 | 46.86 | 56.35 | e | 67.30 | 69.32 | 82.23 | 87.42 | 86.87 | 84.37 | 65.00 | 53.70 | 42.42 | 65.35 | ||||||||||||
1952 | 38.39 | 45.76 | 48.06 | 65.77 | 71.16 | 72.53 | 89.00 | 85.16 | 82.80 | 77.19 | 53.54 | b | 39.61 | 64.08 | ||||||||||||
1953 | 46.39 | 54.04 | 54.06 | 60.60 | 60.55 | 70.87 | 87.68 | 83.88 | e | 85.48 | c | 68.26 | 53.73 | 49.00 | a | 64.54 | ||||||||||
1954 | 44.03 | 56.39 | 51.87 | 65.67 | 74.61 | 73.67 | 86.97 | 80.32 | 77.57 | 69.48 | 57.93 | 39.70 | a | 64.85 | ||||||||||||
1955 | 40.03 | 46.18 | 53.55 | 53.80 | 70.67 | a | 78.33 | 82.03 | 89.94 | 81.33 | 71.97 | 51.27 | 43.39 | 63.54 | ||||||||||||
1956 | 42.52 | 42.86 | 56.23 | 61.57 | 69.68 | 78.27 | 88.77 | 85.57 | a | 82.19 | i | 64.48 | 57.83 | 49.16 | 63.36 | a | ||||||||||
1957 | 40.18 | c | 50.71 | 53.42 | 60.80 | 67.06 | 81.50 | 85.19 | 82.61 | 77.75 | j | 60.45 | 50.97 | 48.23 | 61.92 | a | ||||||||||
1958 | 45.16 | 50.93 | 48.58 | 59.60 | 73.90 | 76.13 | 86.55 | 89.81 | 80.67 | 75.06 | 56.33 | 52.32 | 66.25 | |||||||||||||
1959 | 46.94 | 47.18 | 60.10 | 69.53 | 66.55 | 81.40 | 91.10 | 86.71 | 76.17 | 71.90 | 63.17 | 49.16 | 67.49 | |||||||||||||
1960 | 38.94 | 47.38 | 58.23 | 60.23 | 66.45 | 85.33 | 91.35 | 86.65 | 84.07 | 69.61 | 49.93 | 47.48 | 65.47 | |||||||||||||
1961 | 49.94 | 50.89 | 51.00 | 63.43 | 65.29 | 84.53 | 89.94 | 87.81 | 77.67 | 69.13 | 53.10 | 43.94 | 65.55 | |||||||||||||
1962 | 46.16 | 47.39 | 49.74 | 68.90 | 65.13 | 80.83 | 88.32 | 84.45 | 83.03 | 67.81 | 57.57 | 49.84 | 65.76 | |||||||||||||
1963 | 48.90 | 56.25 | 53.42 | 51.50 | 69.90 | 76.17 | 81.68 | 84.00 | 80.83 | 68.35 | 50.47 | 48.35 | 64.15 | |||||||||||||
1964 | 42.61 | 52.28 | 53.00 | 62.17 | 65.65 | 73.97 | 86.19 | 86.48 | 78.13 | 75.13 | 48.33 | 45.48 | 64.12 | |||||||||||||
1965 | 44.97 | 53.54 | 58.00 | 58.30 | 69.06 | 76.73 | 85.77 | 81.74 | 76.90 | 76.61 | 54.20 | 44.39 | 65.02 | |||||||||||||
1966 | 43.16 | 45.54 | 56.58 | 68.57 | 76.74 | 77.73 | 83.97 | 88.84 | 81.37 | 73.74 | 52.87 | 43.84 | 66.08 | |||||||||||||
1967 | 45.55 | 53.11 | 51.10 | 47.57 | 71.84 | 76.97 | 88.71 | 92.32 | 84.93 | 69.87 | 57.93 | 40.58 | 65.04 | |||||||||||||
1968 | 43.32 | 51.97 | 57.65 | 63.63 | 69.03 | 80.77 | 88.81 | 78.68 | 81.63 | 68.48 | 50.53 | 41.13 | 64.64 | |||||||||||||
1969 | 41.29 | 42.25 | 53.94 | 60.03 | 75.58 | 77.30 | 88.29 | 88.90 | 82.43 | 62.94 | 59.70 | 48.48 | 65.09 | |||||||||||||
1970 | 45.29 | 54.75 | 55.81 | 57.47 | 73.03 | 80.20 | 88.45 | 87.84 | 79.93 | 68.39 | 52.87 | 40.65 | 65.39 | |||||||||||||
1971 | 46.68 | 52.86 | 51.32 | 59.60 | 66.74 | 74.20 | 87.47 | a | 89.13 | 77.47 | 63.16 | 53.13 | 41.23 | 63.58 | ||||||||||||
1972 | 44.55 | 50.90 | 60.48 | 58.50 | 73.42 | 82.10 | 89.06 | 87.35 | 76.40 | 65.16 | 49.50 | 38.71 | 64.68 | |||||||||||||
1973 | 41.35 | 49.61 | 51.39 | 64.54 | b | 74.65 | 79.20 | 88.41 | b | 86.42 | 79.40 | 67.58 | 48.27 | 44.74 | 64.63 | |||||||||||
1974 | 42.39 | 48.39 | 52.29 | 57.60 | 70.68 | 80.93 | 83.10 | 85.03 | 86.17 | 71.74 | 55.07 | 44.35 | 64.81 | |||||||||||||
1975 | 47.03 | 44.89 | 50.19 | 51.17 | 70.23 | 78.07 | 83.10 | 82.16 | 84.70 | 64.58 | 51.63 | 47.26 | 62.92 | |||||||||||||
1976 | ----- | z | 50.66 | 55.16 | 57.70 | ----- | z | 75.17 | 87.03 | 77.00 | 79.87 | 73.48 | 62.10 | 52.65 | 67.08 | b | ||||||||||
1977 | 42.45 | 55.54 | 52.06 | 67.50 | 59.94 | 84.20 | 87.87 | 90.03 | 76.77 | 70.10 | 53.77 | 47.16 | 65.62 | |||||||||||||
1978 | 47.26 | 49.68 | 59.81 | 56.63 | 67.45 | 77.50 | 86.23 | 86.29 | 74.47 | 77.42 | 52.70 | 43.65 | 64.92 | |||||||||||||
1979 | 40.58 | 44.50 | 55.97 | 59.47 | 71.90 | 80.57 | ----- | z | 81.35 | 82.53 | 67.87 | 51.03 | 46.71 | 62.04 | a | |||||||||||
1980 | 46.16 | 51.48 | 52.32 | 62.33 | 67.16 | 71.43 | 85.65 | 86.03 | 79.97 | 71.39 | 56.97 | 47.52 | 64.87 | |||||||||||||
1981 | 46.97 | 50.22 | a | 53.94 | 63.93 | 69.97 | a | 81.21 | a | 88.23 | 91.35 | 83.89 | b | 62.77 | 52.97 | 44.68 | 65.84 | |||||||||
1982 | 38.16 | 47.89 | 49.03 | 56.30 | 73.94 | 77.27 | 83.39 | 85.80 | a | 75.00 | 64.74 | 47.43 | 41.87 | 61.74 | ||||||||||||
1983 | 41.48 | 47.39 | 49.39 | 54.37 | 70.87 | 76.80 | 80.97 | 85.77 | a | 81.03 | 69.13 | 47.83 | 41.42 | 62.20 | ||||||||||||
1984 | 44.94 | 50.00 | 58.74 | 58.64 | b | 72.03 | 77.93 | 92.39 | 89.06 | 82.00 | 59.26 | 45.97 | 39.97 | 64.24 | ||||||||||||
1985 | 45.35 | 50.54 | 52.06 | 69.20 | 72.32 | 84.83 | 91.26 | 85.16 | 72.83 | 66.61 | 45.10 | 44.13 | 64.95 | |||||||||||||
1986 | 47.84 | 51.50 | 60.35 | 62.27 | 71.13 | 82.57 | 85.32 | 91.97 | 71.93 | 68.26 | 56.77 | 42.39 | 66.02 | |||||||||||||
1987 | 40.16 | 48.93 | 52.84 | 69.97 | 76.65 | 84.60 | 83.03 | 89.90 | 83.93 | 77.90 | a | 51.80 | 41.13 | 66.74 | ||||||||||||
1988 | 39.71 | 55.55 | 59.65 | 62.57 | 66.61 | 77.63 | 92.48 | 90.45 | 83.93 | 79.35 | 50.33 | 43.03 | a | 66.78 | ||||||||||||
1989 | 36.68 | 42.04 | 51.90 | 66.90 | 68.77 | 80.67 | 85.48 | 83.97 | 78.47 | 65.35 | 55.03 | 47.10 | 63.53 | |||||||||||||
1990 | 43.52 | 44.57 | 57.10 | 66.53 | 67.58 | 77.43 | 89.45 | 86.71 | 83.87 | 73.19 | 54.10 | 39.39 | 65.29 | |||||||||||||
1991 | 47.13 | a | 60.21 | 50.30 | a | 60.57 | b | 65.87 | a | 77.33 | 92.52 | 87.55 | 89.73 | 77.32 | 57.33 | 45.19 | 67.59 | |||||||||
1992 | 46.80 | a | 54.69 | ----- | z | 67.07 | 81.61 | 84.23 | 85.64 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.01 | f | ||||
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | 63.42 | 64.43 | 79.81 | 80.63 | 91.90 | 88.84 | 81.67 | 66.10 | 51.40 | 41.48 | 70.97 | b | ||||||||||
1998 | 44.83 | a | 43.36 | 55.97 | 62.10 | 62.13 | 77.93 | 91.32 | 93.13 | 84.60 | 65.84 | 47.24 | a | 40.52 | 64.08 | |||||||||||
1999 | 47.16 | 45.74 | a | 52.84 | 63.93 | 74.52 | 81.38 | a | 89.23 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.97 | e | |||||
2000 | 45.48 | 48.52 | 51.57 | q | ----- | z | ----- | z | ----- | z | ----- | z | 91.39 | c | 80.07 | c | 69.00 | 50.83 | 49.39 | c | 62.10 | e | ||||
2001 | 47.07 | d | 50.86 | n | 61.57 | c | 62.70 | c | 83.17 | a | 83.04 | b | 89.61 | c | 91.43 | a | 85.33 | 76.66 | b | 54.80 | 44.75 | c | 70.92 | a | ||
2002 | 45.73 | a | 55.57 | 58.10 | 66.14 | a | 71.06 | 84.10 | 93.65 | 89.47 | a | 84.53 | 70.16 | 54.80 | 44.52 | b | 68.15 | |||||||||
2003 | 47.97 | 49.54 | 56.84 | 52.17 | a | 70.94 | 86.97 | 93.68 | 84.42 | 85.17 | 74.00 | 47.04 | c | 42.00 | 65.89 | |||||||||||
2004 | 40.13 | 43.83 | 64.39 | 65.76 | a | 72.13 | 82.29 | b | 90.39 | 89.62 | g | 80.23 | 64.65 | 49.50 | b | 45.61 | 63.54 | a | ||||||||
2005 | 41.23 | 50.85 | a | 57.23 | 59.97 | a | 68.87 | a | 74.12 | d | 92.65 | 90.32 | 77.38 | a | 65.68 | 49.97 | 43.74 | 64.33 | ||||||||
2006 | 42.63 | a | 49.18 | 43.23 | a | 57.50 | b | 75.74 | 84.52 | a | 92.97 | 87.30 | a | 81.63 | 66.73 | a | 49.18 | b | 42.06 | 64.39 | ||||||
2007 | 43.62 | b | 47.75 | 59.42 | 64.13 | 75.65 | 82.33 | 89.35 | 88.34 | b | 75.80 | 60.61 | 54.67 | 40.58 | 65.19 | |||||||||||
2008 | 37.84 | 46.76 | 54.23 | 61.20 | 72.45 | 82.27 | 90.47 | a | 90.48 | b | 81.56 | u | 71.10 | b | 55.37 | 42.61 | 64.07 | a | ||||||||
2009 | 46.52 | 47.71 | 55.03 | 63.77 | 75.62 | b | 77.60 | 90.53 | a | 87.00 | c | 86.50 | 64.42 | 54.54 | d | 39.71 | 65.75 | |||||||||
2010 | 43.13 | 48.19 | a | 55.06 | 55.67 | c | 63.24 | b | 77.71 | b | 90.50 | c | 85.42 | e | 80.43 | 68.30 | a | 51.20 | 43.74 | 63.55 | ||||||
2011 | 46.78 | d | 46.29 | 48.06 | 58.00 | 63.81 | 75.10 | 85.07 | b | 88.32 | 86.07 | a | 67.52 | 50.83 | 48.47 | a | 63.69 | |||||||||
2012 | 46.90 | a | 50.11 | a | 52.52 | h | 61.46 | b | 72.55 | 77.11 | c | 87.14 | c | 93.08 | f | 87.13 | 70.47 | a | 52.52 | c | 40.30 | a | 64.57 | b | ||
2013 | 39.03 | 49.36 | 59.65 | 65.03 | 72.65 | 82.48 | c | 92.56 | d | 85.26 | h | 79.14 | a | 67.47 | a | 56.75 | b | 44.00 | a | 64.37 | a | |||||
2014 | 53.04 | c | 51.96 | a | 58.39 | 65.07 | 75.04 | f | 83.93 | c | 93.94 | 88.37 | d | 84.20 | 71.35 | 53.79 | a | 47.33 | a | 68.31 | a | |||||
2015 | 52.29 | 58.38 | b | 64.32 | 64.52 | a | 71.63 | a | 87.97 | 88.55 | b | 88.74 | d | 82.47 | m | ----- | z | ----- | z | ----- | z | 72.05 | d | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.90 | 49.57 | 54.77 | 61.70 | 70.63 | 79.49 | 88.18 | 86.82 | 81.09 | 69.04 | 53.14 | 44.29 | 64.95 | |||||||||||||
S.D. | 3.73 | 4.06 | 4.37 | 4.91 | 4.63 | 3.83 | 3.25 | 3.41 | 3.78 | 4.60 | 3.91 | 3.51 | 1.27 | |||||||||||||
SKEW | -0.12 | 0.32 | 0.10 | -0.57 | 0.13 | -0.05 | -0.23 | -0.59 | -0.26 | 0.29 | 0.36 | 0.27 | 0.09 | |||||||||||||
MAX | 53.04 | 60.21 | 64.39 | 69.97 | 83.17 | 87.97 | 93.94 | 93.13 | 89.73 | 79.35 | 63.17 | 52.65 | 68.15 | |||||||||||||
MIN | 34.42 | 42.04 | 43.23 | 47.57 | 59.94 | 70.87 | 80.97 | 77.00 | 71.93 | 59.26 | 45.10 | 37.00 | 61.74 | |||||||||||||
YRS | 61 | 61 | 60 | 62 | 60 | 62 | 62 | 59 | 58 | 61 | 61 | 61 | 48 |