YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | 80.45 | l | 85.63 | 91.34 | 91.61 | 83.77 | 77.71 | 65.35 | 60.39 | 79.40 | e | |||||||
1951 | 53.98 | 56.84 | 62.60 | 70.78 | 79.92 | 85.42 | 92.89 | 89.82 | 86.37 | 74.65 | 60.02 | 53.03 | 72.19 | |||||||||||||
1952 | 50.65 | 57.16 | 59.10 | 70.03 | 83.44 | 83.83 | 92.95 | 93.18 | 88.32 | 80.52 | 59.63 | 53.66 | 72.70 | |||||||||||||
1953 | 59.16 | 57.73 | 64.40 | 69.33 | 73.19 | 84.43 | 94.05 | 90.90 | 86.42 | 74.08 | 64.07 | 54.24 | 72.67 | |||||||||||||
1954 | 54.29 | 64.45 | 61.23 | 76.07 | 79.37 | 84.23 | 92.89 | 87.76 | 84.87 | 74.71 | 65.77 | 55.42 | 73.42 | |||||||||||||
1955 | 51.21 | 54.61 | 63.89 | 68.48 | 75.34 | 85.42 | 89.47 | 90.44 | 85.18 | 76.52 | 61.32 | 56.55 | 71.53 | |||||||||||||
1956 | 57.92 | 53.74 | 64.13 | 69.57 | 78.24 | 87.85 | 91.26 | 88.40 | 89.85 | 73.02 | 61.42 | 55.98 | 72.61 | |||||||||||||
1957 | 53.69 | 64.04 | 65.74 | 71.77 | 76.16 | 89.60 | 94.10 | 90.63 | 87.27 | 72.08 | 58.98 | 56.94 | 73.42 | |||||||||||||
1958 | 57.06 | 61.30 | 59.95 | 71.63 | 84.19 | 87.50 | 91.84 | 92.76 | 87.15 | 77.97 | 61.85 | 59.02 | 74.35 | |||||||||||||
1959 | 56.76 | 56.75 | 66.81 | 75.37 | 76.56 | 90.03 | 94.79 | 89.56 | 83.52 | 75.24 | 63.98 | 55.85 | 73.77 | |||||||||||||
1960 | 50.79 | 56.47 | 68.21 | 73.52 | 78.90 | 89.58 | 93.26 | 91.37 | 87.52 | 75.18 | 62.18 | 55.26 | 73.52 | |||||||||||||
1961 | 57.23 | 61.77 | 65.13 | 73.53 | 77.84 | 89.93 | 91.85 | 92.19 | 81.80 | 72.55 | 59.52 | 54.24 | 73.13 | |||||||||||||
1962 | 54.58 | 58.04 | 59.55 | 76.70 | 75.50 | 85.38 | 90.92 | 91.44 | 85.50 | 74.13 | 65.20 | 56.55 | 72.79 | |||||||||||||
1963 | 51.15 | 65.66 | 63.61 | 67.48 | 79.76 | 83.23 | 90.15 | 90.31 | 86.52 | 77.18 | 63.08 | 55.03 | 72.76 | |||||||||||||
1964 | 51.03 | 54.78 | 60.82 | 69.25 | 76.94 | 83.77 | 91.92 | 90.89 | 83.23 | 78.77 | 59.78 | 54.97 | 71.35 | |||||||||||||
1965 | 55.84 | 58.29 | 62.61 | 70.30 | 77.21 | 80.42 | 91.16 | 90.24 | 80.48 | 76.68 | 64.72 | 54.10 | 71.84 | |||||||||||||
1966 | 52.34 | 54.91 | 65.73 | 74.55 | 80.79 | 85.93 | 91.53 | 91.52 | 85.25 | 74.40 | 63.78 | 56.34 | 73.09 | |||||||||||||
1967 | 53.79 | 60.45 | 64.84 | 62.93 | 77.32 | 82.17 | 92.11 | 92.85 | 85.23 | 76.15 | 65.72 | 52.08 | 72.14 | |||||||||||||
1968 | 54.26 | 64.93 | 66.69 | 70.03 | 79.63 | 86.93 | 90.60 | 88.03 | 84.25 | 73.87 | 64.95 | 49.82 | 72.83 | |||||||||||||
1969 | 57.52 | 55.95 | 63.95 | 71.57 | 80.84 | 83.13 | 92.00 | 94.48 | 88.62 | 70.97 | 63.67 | 55.26 | 73.16 | |||||||||||||
1970 | 53.60 | 61.18 | 64.23 | 67.15 | 79.89 | 86.27 | 93.40 | 93.76 | 83.08 | 71.87 | 62.38 | 53.90 | 72.56 | |||||||||||||
1971 | 55.35 | 59.29 | 64.55 | 69.07 | 74.15 | 83.87 | 92.06 | 90.53 | 84.63 | 67.03 | 59.48 | 49.63 | 70.80 | |||||||||||||
1972 | 49.89 | 59.79 | 70.74 | 71.38 | 78.35 | 84.88 | 92.52 | 88.52 | 82.72 | 69.45 | 57.42 | 50.28 | a | 71.33 | ||||||||||||
1973 | 50.00 | 57.48 | 59.63 | 68.88 | 80.15 | 88.38 | 91.03 | 90.39 | 82.78 | 73.31 | 60.47 | 54.65 | 71.43 | |||||||||||||
1974 | 53.65 | 56.82 | 64.65 | 70.07 | 77.10 | 89.25 | 90.39 | 89.61 | 85.97 | 74.44 | 61.87 | 51.89 | 72.14 | |||||||||||||
1975 | 52.27 | 55.00 | 59.23 | 63.27 | 75.60 | 82.37 | 90.34 | 89.05 | 86.07 | 70.97 | 60.27 | 54.45 | 69.91 | |||||||||||||
1976 | 55.44 | 59.24 | 61.71 | 66.92 | 78.84 | 86.28 | 89.85 | 87.24 | 81.12 | 74.02 | 63.98 | 52.85 | 71.46 | |||||||||||||
1977 | 54.61 | 60.66 | 59.29 | 71.58 | 72.10 | 87.13 | 90.97 | 89.48 | 83.77 | 75.34 | 63.42 | 57.50 | 72.15 | |||||||||||||
1978 | 55.55 | 58.68 | 66.73 | 68.50 | 78.37 | 88.33 | 92.03 | 88.32 | 82.88 | 77.52 | 59.57 | 49.84 | 72.19 | |||||||||||||
1979 | 49.26 | 56.70 | 62.29 | 70.75 | 75.73 | 85.82 | 89.90 | 87.52 | 87.55 | 76.18 | 60.53 | 56.44 | 71.55 | |||||||||||||
1980 | 58.15 | 61.67 | 61.79 | 69.73 | 74.15 | 86.47 | 92.68 | 88.47 | 84.58 | 73.81 | 61.63 | 59.42 | 72.71 | |||||||||||||
1981 | 59.08 | 60.20 | 63.84 | 72.90 | 77.47 | 89.77 | 91.50 | 92.24 | 86.43 | 71.65 | 63.82 | 57.39 | 73.86 | |||||||||||||
1982 | 53.40 | a | 61.05 | 62.79 | 71.62 | 77.79 | 83.62 | 90.02 | 91.37 | 83.22 | 72.74 | 59.10 | 54.06 | 71.73 | ||||||||||||
1983 | 57.73 | 59.12 | 64.77 | 67.20 | 79.97 | 84.27 | 89.95 | 88.42 | 87.15 | 76.87 | 62.73 | 57.11 | 72.94 | |||||||||||||
1984 | 58.55 | 58.91 | 65.69 | 70.70 | 82.74 | 86.05 | a | 91.81 | 91.65 | 88.48 | 72.58 | 61.87 | 53.76 | 73.57 | ||||||||||||
1985 | 54.00 | 56.41 | 63.23 | a | 74.63 | 79.48 | 87.94 | c | 93.15 | 89.97 | 79.58 | 73.76 | 59.33 | 56.21 | 72.31 | |||||||||||
1986 | 60.61 | 62.71 | 68.68 | 71.55 | 79.50 | 89.15 | 89.60 | 92.68 | 80.55 | 72.50 | 63.20 | 55.63 | 73.86 | |||||||||||||
1987 | 53.31 | 59.25 | 63.53 | 75.27 | 78.63 | a | 87.13 | 88.53 | 88.90 | 84.45 | 77.40 | 61.77 | 52.02 | 72.52 | ||||||||||||
1988 | 55.23 | 61.62 | 66.27 | 69.87 | 79.05 | 85.03 | 91.15 | 90.58 | 84.10 | 78.45 | 63.83 | 54.79 | 73.33 | |||||||||||||
1989 | 53.52 | 59.70 | 69.06 | 77.08 | 80.13 | 86.57 | 93.03 | ----- | z | 84.42 | ----- | z | 63.23 | ----- | z | 74.08 | c | |||||||||
1990 | ----- | z | 55.52 | 66.18 | 74.30 | 78.08 | 88.70 | 92.31 | 88.73 | 86.17 | 74.10 | 63.37 | 50.45 | 74.35 | a | |||||||||||
1991 | 54.45 | 64.18 | 59.66 | 70.93 | 76.31 | 83.23 | 89.29 | 88.00 | 84.43 | 76.16 | 61.02 | 54.29 | 71.83 | |||||||||||||
1992 | 54.40 | 61.52 | 63.47 | 74.42 | 79.73 | 83.82 | 89.50 | 88.90 | 82.63 | 74.08 | 58.15 | 49.50 | 71.68 | |||||||||||||
1993 | 52.87 | 57.64 | 67.21 | 72.55 | 79.74 | 85.97 | 86.03 | 86.71 | 82.75 | 73.74 | 58.10 | 52.56 | 71.32 | |||||||||||||
1994 | 54.89 | 54.82 | 66.66 | 71.88 | 76.48 | 86.52 | 89.18 | 90.55 | 83.88 | 70.48 | 51.70 | 50.58 | 70.64 | |||||||||||||
1995 | 54.52 | 63.55 | 64.32 | 69.73 | 74.87 | 83.03 | 89.97 | 92.16 | 86.47 | 73.27 | 65.77 | 56.52 | 72.85 | |||||||||||||
1996 | 56.15 | 61.95 | 66.26 | 73.42 | 82.42 | 86.62 | 92.63 | 90.73 | 82.42 | 72.08 | 62.48 | 53.79 | 73.41 | |||||||||||||
1997 | 56.79 | 58.21 | 66.68 | 71.37 | 83.15 | 84.60 | 88.27 | 92.42 | 86.07 | 71.87 | 62.55 | 53.02 | 72.92 | |||||||||||||
1998 | 54.65 | 55.84 | 62.40 | 66.78 | 73.82 | 83.38 | 92.47 | 92.10 | 85.80 | 71.45 | 60.72 | 52.52 | a | 70.99 | ||||||||||||
1999 | 55.87 | 58.54 | 62.13 | 64.03 | 77.69 | 82.35 | 90.71 | 88.89 | 84.50 | 75.39 | 63.85 | 54.71 | 71.55 | |||||||||||||
2000 | 57.55 | 59.50 | 64.15 | 74.17 | 81.11 | 87.72 | 90.02 | 90.68 | 84.05 | 70.94 | 54.93 | 54.66 | 72.46 | |||||||||||||
2001 | 51.03 | 53.52 | 66.19 | 69.02 | 82.87 | 86.88 | 89.79 | 90.23 | 86.05 | 74.89 | 64.97 | 51.22 | a | 72.22 | ||||||||||||
2002 | 51.89 | 56.29 | 59.48 | 70.10 | 77.94 | 86.80 | 90.42 | 86.63 | 84.83 | 72.61 | 64.00 | 53.05 | 71.17 | |||||||||||||
2003 | 60.79 | 57.09 | 65.21 | 68.70 | 78.52 | 84.85 | 92.77 | 92.74 | 86.48 | 78.02 | a | 58.03 | 51.95 | 72.93 | ||||||||||||
2004 | 53.50 | 54.29 | a | 70.60 | 71.53 | 80.21 | 84.88 | a | 91.21 | 88.37 | 82.67 | 70.94 | 57.80 | 53.98 | 71.66 | |||||||||||
2005 | 55.92 | 58.45 | 64.84 | 69.03 | 79.84 | 84.55 | 92.98 | 91.08 | a | 83.24 | a | 74.19 | 63.93 | 55.63 | 72.81 | |||||||||||
2006 | 55.13 | 59.07 | 60.21 | 68.75 | 80.69 | 89.62 | 94.90 | 89.16 | 82.78 | 72.56 | 64.00 | e | 52.48 | 72.45 | ||||||||||||
2007 | 50.47 | 58.77 | 66.44 | 71.07 | 78.98 | 85.50 | 90.66 | 91.68 | 84.10 | 72.98 | 64.77 | 50.60 | 72.17 | |||||||||||||
2008 | 52.90 | 58.16 | 66.55 | 72.07 | 77.48 | 88.93 | 93.11 | 91.74 | 87.12 | 74.40 | 66.59 | a | 53.21 | 73.52 | ||||||||||||
2009 | 58.03 | 56.66 | 64.39 | 70.45 | 83.13 | 84.48 | 94.16 | 90.11 | 85.35 | 70.74 | 61.62 | 51.40 | 72.54 | |||||||||||||
2010 | 54.10 | 58.38 | 61.68 | 66.23 | 75.53 | 84.92 | 91.39 | 89.76 | 84.93 | 73.11 | 59.57 | 56.42 | 71.33 | |||||||||||||
2011 | 53.92 | 53.39 | 65.19 | 71.57 | 74.10 | 84.47 | 91.16 | 91.76 | 85.92 | 75.02 | a | 57.88 | 50.55 | 71.24 | ||||||||||||
2012 | 56.06 | 58.30 | a | 63.03 | 71.12 | 82.00 | 87.37 | 90.56 | 93.37 | 87.83 | 76.66 | 63.10 | 53.94 | 73.61 | ||||||||||||
2013 | 52.11 | 55.52 | 68.95 | 73.60 | 80.24 | 88.87 | 93.40 | 89.50 | 85.07 | 69.53 | 62.13 | 52.92 | 72.65 | |||||||||||||
2014 | 58.37 | 60.93 | 67.29 | 72.77 | 79.66 | 88.24 | a | 94.27 | 89.77 | 87.53 | 76.34 | 61.80 | 55.19 | 74.35 | ||||||||||||
2015 | 56.63 | 63.93 | 69.24 | 71.72 | 75.10 | 87.22 | 90.76 | 93.50 | 86.82 | 79.18 | 58.40 | 52.02 | 73.71 | |||||||||||||
2016 | 54.18 | 63.47 | 68.16 | 73.17 | 78.61 | 90.10 | 92.35 | 91.90 | 83.17 | 76.08 | 63.93 | 54.94 | 74.17 | |||||||||||||
2017 | 54.39 | 61.55 | 69.77 | 74.60 | 79.52 | 88.75 | 93.63 | 93.08 | 84.58 | 75.56 | 66.45 | 56.84 | 74.89 | |||||||||||||
2018 | 60.66 | 59.61 | 66.90 | 77.57 | 81.97 | 89.35 | 97.08 | 95.18 | 88.23 | 75.97 | 63.40 | 56.37 | 76.02 | |||||||||||||
2019 | 56.34 | 54.55 | 67.73 | 77.52 | 77.93 | a | 88.22 | 94.47 | 95.17 | a | 86.05 | 70.90 | 62.23 | 53.90 | 73.75 | |||||||||||
2020 | 55.81 | 57.81 | 63.21 | 73.02 | 83.73 | 87.25 | 93.92 | 96.26 | 86.87 | 77.84 | 63.28 | a | 53.92 | 74.41 | ||||||||||||
2021 | 55.48 | 58.79 | 62.31 | 76.12 | 80.02 | 90.95 | 94.40 | a | 92.84 | 86.27 | 70.82 | 65.92 | 53.87 | 73.98 | ||||||||||||
2022 | 54.87 | 57.36 | 65.50 | 73.60 | 78.97 | 88.40 | 93.45 | 93.27 | 87.35 | 76.10 | 57.27 | 51.95 | 73.17 | |||||||||||||
2023 | 52.52 | 53.18 | 60.76 | 71.78 | 78.02 | 84.07 | 95.87 | 93.70 | f | 85.78 | a | 76.58 | 62.75 | 55.76 | 70.64 | a | ||||||||||
2024 | 53.09 | h | 59.00 | a | 63.09 | b | 70.54 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.04 | j |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 54.77 | 58.68 | 64.43 | 71.23 | 78.61 | 86.26 | 91.78 | 90.75 | 85.04 | 74.26 | 61.91 | 54.13 | 72.63 | |||||||||||||
S.D. | 2.65 | 3.02 | 2.91 | 3.11 | 2.65 | 2.34 | 1.89 | 2.08 | 2.08 | 2.62 | 2.81 | 2.38 | 1.10 | |||||||||||||
SKEW | 0.15 | 0.28 | 0.02 | -0.26 | -0.12 | -0.06 | 0.02 | 0.25 | -0.25 | -0.08 | -0.85 | 0.07 | 0.24 | |||||||||||||
MAX | 60.79 | 65.66 | 70.74 | 77.57 | 84.19 | 90.95 | 97.08 | 96.26 | 89.85 | 80.52 | 66.59 | 60.39 | 76.02 | |||||||||||||
MIN | 49.26 | 53.18 | 59.10 | 62.93 | 72.10 | 80.42 | 86.03 | 86.63 | 79.58 | 67.03 | 51.70 | 49.50 | 69.91 | |||||||||||||
YRS | 72 | 74 | 74 | 73 | 73 | 74 | 74 | 72 | 74 | 73 | 74 | 73 | 70 |