YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | 58.38 | 59.16 | 74.62 | 74.58 | 84.82 | 91.02 | 94.55 | 87.48 | 75.13 | 65.37 | 56.66 | 74.71 | a | |||||||||||
1963 | 50.37 | 64.80 | 61.66 | 66.20 | 79.47 | 82.93 | 91.76 | 90.53 | 86.62 | 76.84 | 62.73 | 54.45 | 72.36 | |||||||||||||
1964 | 50.40 | 54.24 | 60.03 | 67.47 | 75.55 | 84.17 | 92.44 | 91.23 | 83.97 | 78.74 | 59.33 | 55.15 | 71.06 | |||||||||||||
1965 | 55.66 | 57.21 | 61.16 | 69.53 | 75.87 | 80.13 | 91.27 | 91.55 | 81.22 | 77.05 | 64.55 | 54.02 | 71.60 | |||||||||||||
1966 | 51.15 | 54.43 | 64.87 | 72.97 | 80.66 | 86.93 | 92.60 | 93.06 | 86.47 | 73.63 | 64.25 | 56.60 | 73.13 | |||||||||||||
1967 | 54.35 | 59.05 | 64.71 | 62.97 | 76.74 | 82.78 | 93.79 | 93.73 | 85.32 | 76.82 | 67.03 | 51.82 | 72.43 | |||||||||||||
1968 | 54.37 | 64.31 | 65.13 | 68.68 | 78.16 | 86.63 | 91.62 | a | 88.74 | 85.55 | 75.08 | 64.35 | 51.03 | 72.80 | ||||||||||||
1969 | 58.00 | 56.38 | 62.08 | 70.42 | 79.98 | 83.25 | 93.47 | 96.27 | 88.98 | 71.24 | 63.30 | 56.18 | 73.30 | |||||||||||||
1970 | 54.13 | 60.27 | 62.44 | 65.62 | 78.82 | 86.98 | 94.45 | 94.73 | 84.48 | 72.03 | 63.05 | 53.81 | 72.57 | |||||||||||||
1971 | 54.29 | 58.12 | 63.42 | 67.00 | 73.56 | 84.75 | 93.29 | 92.05 | 85.60 | 69.03 | 60.87 | 51.35 | 71.11 | |||||||||||||
1972 | 51.74 | 60.53 | 69.77 | 70.50 | 77.47 | 86.18 | 94.00 | 88.95 | 83.12 | 70.40 | 58.80 | 51.95 | 71.95 | |||||||||||||
1973 | 51.11 | 57.54 | 58.76 | 66.63 | 79.00 | 86.82 | 91.03 | 90.27 | 82.73 | 73.60 | 61.55 | 55.24 | 71.19 | |||||||||||||
1974 | 53.45 | 55.71 | 63.55 | 68.57 | 77.74 | 89.75 | 90.97 | 90.03 | 87.93 | 74.40 | 61.62 | 51.05 | 72.06 | |||||||||||||
1975 | 52.39 | 55.14 | 59.29 | 61.70 | 74.26 | 84.23 | 91.39 | 91.44 | 86.32 | 71.03 | 60.78 | 54.02 | 70.17 | |||||||||||||
1976 | 54.13 | 58.05 | 59.95 | 65.00 | 77.47 | 85.93 | 90.27 | 88.10 | 81.05 | 73.05 | 63.27 | 53.52 | 70.82 | |||||||||||||
1977 | 53.47 | 59.46 | 57.87 | 69.47 | 69.44 | 87.13 | 91.68 | 89.69 | 84.13 | 75.71 | 63.58 | 56.63 | 71.52 | |||||||||||||
1978 | 54.47 | 57.66 | 64.76 | 66.32 | 75.85 | 88.90 | 92.47 | 90.58 | 82.52 | 77.44 | 59.80 | 49.08 | 71.65 | |||||||||||||
1979 | 49.34 | 55.18 | 60.32 | 68.87 | 74.98 | 85.85 | 90.44 | 87.31 | 88.62 | 75.44 | 59.17 | 55.55 | 70.92 | |||||||||||||
1980 | 57.52 | 60.62 | 60.85 | 68.12 | 71.68 | 85.63 | 93.24 | 89.98 | 85.05 | 74.42 | 62.00 | 58.63 | 72.31 | |||||||||||||
1981 | 58.02 | 58.62 | 61.05 | 70.37 | 75.94 | 89.68 | 94.71 | 94.94 | 88.92 | ----- | z | ----- | z | ----- | z | 76.92 | c | |||||||||
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 93.07 | a | 85.77 | 72.02 | c | 56.87 | 56.42 | 72.83 | g | |||
2001 | 52.79 | 55.79 | 65.73 | 68.53 | 82.63 | a | 88.63 | 90.75 | a | 93.24 | 88.43 | b | 76.94 | 65.67 | 52.00 | 73.43 | ||||||||||
2002 | 53.32 | 57.66 | 60.85 | 70.53 | 77.65 | 87.95 | 93.35 | 90.89 | 86.88 | 72.61 | 64.68 | 54.71 | 72.59 | |||||||||||||
2003 | 60.68 | 57.77 | 64.71 | 66.40 | 77.61 | 85.18 | 93.65 | 92.26 | 88.13 | 80.44 | 59.13 | 54.15 | 73.34 | |||||||||||||
2004 | 54.45 | 55.07 | 70.55 | 71.15 | 78.89 | 85.32 | 91.68 | 91.11 | 84.43 | 71.44 | 58.63 | 54.98 | 72.31 | |||||||||||||
2005 | 56.84 | 58.16 | 64.58 | 68.97 | 79.60 | 85.63 | 94.23 | 92.63 | 87.92 | r | 74.31 | 64.63 | 56.42 | 72.36 | a | |||||||||||
2006 | 56.18 | 60.52 | 61.34 | 69.18 | 80.97 | 91.15 | 97.24 | 93.27 | 86.30 | 74.27 | 66.65 | 55.05 | 74.34 | |||||||||||||
2007 | 52.35 | 60.80 | 68.27 | 72.62 | 80.18 | 87.78 | 94.30 | c | 95.60 | 86.58 | 75.19 | 65.72 | 51.79 | 74.27 | ||||||||||||
2008 | 53.31 | 59.05 | 65.79 | 70.90 | 75.66 | 88.98 | a | 93.55 | 93.03 | a | 88.38 | 75.90 | 67.64 | a | 55.24 | 73.95 | ||||||||||
2009 | 58.68 | 58.93 | 64.82 | 69.22 | 84.35 | 84.45 | 96.89 | 93.19 | 89.48 | 72.60 | 64.40 | 54.26 | 74.27 | |||||||||||||
2010 | 56.90 | 59.57 | 63.27 | 67.67 | a | 74.95 | 86.52 | 94.32 | 92.55 | 87.47 | 73.81 | 62.20 | 58.61 | 73.15 | ||||||||||||
2011 | 55.56 | 55.20 | 66.02 | 71.43 | 73.81 | 85.53 | 92.37 | 95.02 | 88.58 | 76.08 | 60.97 | 51.97 | 72.71 | |||||||||||||
2012 | 56.76 | 58.98 | a | 63.61 | 71.32 | 80.90 | 87.98 | 91.65 | 94.90 | 89.55 | 76.94 | 66.03 | 56.60 | 74.60 | ||||||||||||
2013 | 53.52 | 56.98 | 69.65 | 73.02 | 80.29 | 89.67 | 94.00 | 91.45 | 85.92 | 71.48 | 63.55 | 55.17 | b | 73.72 | ||||||||||||
2014 | 59.74 | 63.34 | 67.85 | 72.30 | 79.47 | 89.13 | 94.26 | 91.23 | 89.45 | 78.53 | 64.35 | 57.08 | 75.56 | |||||||||||||
2015 | 57.52 | 65.20 | 70.39 | 71.63 | 74.87 | 89.35 | 90.58 | 96.81 | 90.73 | 81.05 | 62.07 | 55.06 | 75.44 | |||||||||||||
2016 | 56.63 | a | 64.67 | 69.18 | 73.77 | 78.02 | 92.02 | 96.98 | b | 95.82 | 85.32 | b | 78.52 | b | 65.85 | 56.50 | 76.11 | |||||||||
2017 | 56.08 | 62.32 | 70.10 | 74.62 | 78.82 | 89.83 | 95.68 | 94.58 | 84.85 | 76.98 | 68.63 | 57.37 | 75.82 | |||||||||||||
2018 | 60.69 | 59.50 | 65.74 | 75.48 | a | 78.94 | 87.73 | 96.21 | 95.81 | b | 90.32 | 75.03 | 64.23 | 56.21 | 75.49 | |||||||||||
2019 | 54.91 | h | 50.86 | 64.58 | e | 74.45 | 74.17 | a | 87.05 | b | 93.40 | 94.89 | 85.90 | 72.39 | 64.85 | 54.21 | 74.25 | a | ||||||||
2020 | 56.95 | 57.14 | k | 62.25 | a | 72.57 | c | 82.58 | 86.28 | 93.95 | 96.65 | 88.95 | 79.10 | b | 64.55 | 55.02 | 76.26 | a | ||||||||
2021 | 56.15 | 59.93 | 61.97 | 73.97 | 78.74 | 90.60 | 94.95 | 93.66 | 88.68 | 72.63 | 68.50 | 57.45 | 74.77 | |||||||||||||
2022 | 56.35 | 57.75 | 66.15 | 72.82 | 79.53 | 89.73 | 94.53 | 94.95 | 89.13 | 77.64 | c | 59.18 | 56.46 | e | 74.52 | |||||||||||
2023 | 54.87 | 55.21 | 61.92 | 71.33 | 77.52 | 82.83 | 97.00 | e | 93.55 | c | 85.43 | b | 76.56 | 63.65 | 57.69 | 73.13 | ||||||||||
2024 | 55.56 | 60.38 | 63.66 | 69.96 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.87 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 55.01 | 58.59 | 63.95 | 69.88 | 77.61 | 86.81 | 93.29 | 92.68 | 86.53 | 74.97 | 63.21 | 54.82 | 73.07 | |||||||||||||
S.D. | 2.73 | 3.09 | 3.39 | 3.19 | 2.99 | 2.56 | 1.91 | 2.40 | 2.41 | 2.79 | 2.82 | 2.21 | 1.55 | |||||||||||||
SKEW | 0.05 | 0.21 | 0.35 | -0.40 | -0.30 | -0.21 | 0.36 | -0.23 | -0.38 | 0.07 | -0.20 | -0.53 | 0.21 | |||||||||||||
MAX | 60.69 | 65.20 | 70.55 | 75.48 | 84.35 | 92.02 | 97.24 | 96.81 | 90.73 | 81.05 | 68.63 | 58.63 | 76.11 | |||||||||||||
MIN | 49.34 | 50.86 | 57.87 | 61.70 | 69.44 | 80.13 | 90.27 | 87.31 | 81.05 | 69.03 | 56.87 | 49.08 | 70.17 | |||||||||||||
YRS | 42 | 43 | 44 | 43 | 43 | 43 | 43 | 44 | 43 | 43 | 43 | 43 | 38 |