YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.45 | 86.06 | 84.02 | 80.95 | 65.90 | 54.87 | ----- | z | 76.21 | f | ||||||
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.71 | n | 53.53 | 51.18 | 52.36 | j | ||
1949 | 42.95 | 50.25 | 57.61 | 67.43 | 73.37 | 82.98 | 85.03 | 84.15 | 82.22 | 66.40 | 64.32 | 51.06 | 67.32 | |||||||||||||
1950 | 50.40 | 57.12 | 60.66 | 69.18 | 71.55 | 81.63 | 82.77 | 84.71 | 78.30 | 76.79 | 63.00 | 56.92 | 69.42 | |||||||||||||
1951 | 50.29 | 53.64 | 57.35 | 64.38 | 73.97 | 80.45 | 88.82 | 84.85 | 83.17 | 72.50 | 58.50 | 51.47 | 68.28 | |||||||||||||
1952 | 51.71 | 51.53 | 52.61 | 65.05 | 76.74 | 83.35 | 85.94 | 85.32 | 83.30 | 76.35 | 56.33 | 50.03 | 68.19 | |||||||||||||
1953 | 53.85 | 52.11 | 60.55 | 65.15 | 68.82 | 84.10 | 86.77 | 86.37 | 82.90 | 70.94 | 61.57 | 48.56 | 68.47 | |||||||||||||
1954 | 53.47 | 60.29 | 59.23 | 71.43 | 75.90 | 83.05 | 86.74 | 83.37 | 82.88 | 74.16 | 62.68 | 53.29 | 70.54 | |||||||||||||
1955 | 46.73 | 48.79 | 59.56 | 64.37 | 71.81 | 82.33 | 84.52 | 81.82 | 81.17 | 74.27 | 58.45 | 55.48 | 67.44 | |||||||||||||
1956 | 56.11 | 48.64 | 60.13 | 64.13 | 75.76 | 86.18 | 85.39 | 83.97 | 84.28 | 70.16 | 57.77 | 52.50 | 68.75 | |||||||||||||
1957 | 53.81 | 61.12 | 59.56 | 66.15 | 71.13 | 85.30 | 88.10 | 84.16 | 81.23 | 67.82 | 54.25 | 54.85 | 68.96 | |||||||||||||
1958 | 51.34 | 55.75 | 54.16 | 64.53 | 79.13 | 84.83 | 86.85 | 84.42 | 80.45 | 71.82 | 57.82 | 55.58 | 68.89 | |||||||||||||
1959 | 53.74 | 51.52 | 58.19 | 69.22 | 72.48 | 85.38 | 86.53 | 81.74 | 80.15 | 69.66 | 58.47 | 51.40 | 68.21 | |||||||||||||
1960 | 46.81 | 47.74 | 61.00 | 65.67 | 71.90 | 83.45 | 85.97 | 84.19 | 81.13 | 67.29 | 59.18 | 49.10 | 66.95 | |||||||||||||
1961 | 52.45 | 52.96 | 58.21 | 66.22 | 72.94 | 84.68 | 86.03 | 81.81 | 77.03 | 68.45 | 54.35 | 50.44 | 67.13 | |||||||||||||
1962 | 48.94 | 54.68 | 53.29 | 70.07 | 71.71 | 80.30 | 84.89 | 86.92 | 81.23 | 70.60 | 61.43 | 53.94 | 68.17 | |||||||||||||
1963 | 48.23 | 57.52 | 57.66 | 63.95 | 77.21 | 80.43 | 87.60 | 82.21 | 82.42 | 73.19 | 59.28 | 52.74 | 68.54 | |||||||||||||
1964 | 47.48 | 47.66 | 54.79 | 63.23 | 73.21 | 82.00 | 86.15 | 81.55 | 76.28 | 72.08 | 55.22 | 52.40 | 66.00 | |||||||||||||
1965 | 53.60 | 51.04 | 55.05 | 64.50 | 70.10 | 77.58 | 85.00 | 83.95 | 76.82 | 71.87 | 62.58 | 52.11 | 67.02 | |||||||||||||
1966 | 47.65 | 47.77 | 60.05 | 66.77 | 76.06 | 82.78 | 85.24 | 82.87 | 78.33 | 68.11 | 61.07 | 52.34 | 67.42 | |||||||||||||
1967 | 51.35 | 55.57 | 62.03 | 62.08 | 71.84 | 80.65 | 85.42 | 84.60 | 80.70 | 71.58 | 62.85 | 48.55 | 68.10 | |||||||||||||
1968 | 52.39 | 59.07 | 58.68 | 63.22 | 73.34 | 83.45 | 84.82 | 81.24 | 80.72 | 71.71 | 58.32 | 50.55 | 68.12 | |||||||||||||
1969 | 55.44 | 53.11 | 54.26 | 66.52 | 74.87 | 80.70 | 86.06 | 86.32 | 81.20 | 66.74 | 58.55 | 52.40 | 68.01 | |||||||||||||
1970 | 50.03 | 57.02 | 55.90 | 61.10 | 75.16 | 83.38 | 87.13 | 84.79 | 76.35 | 65.08 | 60.10 | 51.79 | 67.32 | |||||||||||||
1971 | 50.53 | 52.27 | 59.76 | 62.75 | 69.32 | 81.22 | 87.48 | 81.29 | 79.10 | 64.16 | 56.82 | 47.08 | 65.98 | |||||||||||||
1972 | 50.37 | 55.79 | 65.03 | 65.80 | 72.27 | 81.55 | 86.63 | 82.85 | 78.55 | 66.50 | 52.93 | 48.95 | 67.27 | |||||||||||||
1973 | 47.60 | 53.38 | 51.55 | 59.63 | 72.94 | 81.33 | 84.31 | 84.65 | 79.60 | 70.68 | 58.42 | 52.27 | 66.36 | |||||||||||||
1974 | 50.21 | 51.82 | 60.11 | 66.05 | 74.29 | 86.85 | 83.50 | 82.94 | 77.77 | 69.08 | 57.48 | 46.95 | 67.25 | |||||||||||||
1975 | 49.79 | 50.66 | 55.31 | 57.83 | 69.82 | 80.48 | 84.18 | 85.77 | 80.00 | 69.48 | 59.30 | 52.92 | 66.30 | |||||||||||||
1976 | 52.63 | 58.43 | 58.15 | 64.80 | 74.45 | 83.35 | 83.89 | 85.26 | 77.63 | 67.79 | 59.97 | 52.15 | 68.21 | |||||||||||||
1977 | 50.69 | 56.82 | 55.69 | 67.02 | 70.76 | 84.68 | 87.00 | 86.37 | 81.97 | 73.29 | 61.65 | 56.92 | 69.41 | |||||||||||||
1978 | 53.05 | 53.55 | 61.81 | 65.13 | 73.10 | 85.75 | 88.02 | 84.68 | 80.90 | 73.73 | 58.53 | 49.66 | 68.99 | |||||||||||||
1979 | 48.35 | 53.73 | 56.40 | 65.62 | 72.18 | 83.12 | 87.48 | 83.39 | 84.13 | 72.95 | 56.57 | 55.05 | 68.25 | |||||||||||||
1980 | 54.29 | 57.88 | 57.42 | 65.58 | 71.44 | 84.92 | 88.63 | 84.61 | 80.45 | 69.60 | 59.47 | 58.10 | 69.36 | |||||||||||||
1981 | 54.74 | 57.12 | 57.02 | 69.05 | 73.37 | 86.10 | 85.23 | 86.35 | 80.68 | 68.10 | 62.13 | 54.97 | 69.57 | |||||||||||||
1982 | 50.69 | 54.64 | 57.66 | 66.02 | 72.29 | 80.50 | 84.81 | 83.85 | 79.18 | 66.95 | 57.70 | 50.05 | 67.03 | |||||||||||||
1983 | 52.81 | 53.77 | 57.32 | 60.33 | 73.81 | 81.55 | 86.90 | 84.02 | 82.18 | 69.47 | 57.32 | 53.47 | 67.75 | |||||||||||||
1984 | 51.71 | 53.60 | 60.47 | 63.93 | 79.85 | 83.05 | 84.15 | 82.85 | 81.47 | 66.27 | 57.73 | 51.44 | 68.04 | |||||||||||||
1985 | 50.27 | 53.07 | 58.63 | 68.70 | 75.87 | 85.80 | 87.52 | 86.06 | 77.38 | 70.00 | 57.97 | 52.81 | 68.67 | |||||||||||||
1986 | 58.63 | 56.91 | 63.81 | 69.02 | 76.79 | 86.53 | 85.47 | 85.95 | 79.03 | 69.53 | 59.75 | 52.26 | 70.31 | |||||||||||||
1987 | 50.92 | 54.18 | 57.85 | 70.08 | 74.29 | 86.25 | 87.37 | 85.03 | 79.87 | 75.15 | 58.90 | 50.24 | 69.18 | |||||||||||||
1988 | 53.00 | 59.31 | 61.42 | 67.93 | 76.39 | 86.75 | 87.84 | 85.90 | 80.40 | 75.29 | 59.18 | 51.87 | 70.44 | |||||||||||||
1989 | 49.87 | 58.18 | 65.03 | 73.82 | 77.35 | 85.37 | 89.90 | 86.56 | 84.52 | 71.06 | 61.65 | 53.02 | 71.36 | |||||||||||||
1990 | 51.77 | 52.79 | 61.76 | 69.70 | 75.18 | 88.63 | 84.94 | 82.61 | 82.13 | 73.10 | 61.57 | 51.06 | 69.60 | |||||||||||||
1991 | 52.31 | 59.75 | 55.37 | 65.18 | 73.50 | 81.48 | 87.50 | 86.61 | 80.68 | 74.03 | 58.83 | 54.27 | 69.13 | |||||||||||||
1992 | 51.58 | 57.31 | 59.37 | 70.73 | 76.71 | 84.45 | 86.76 | 85.02 | 83.53 | 74.16 | 56.08 | 51.34 | 69.75 | |||||||||||||
1993 | 55.19 | 54.00 | 61.31 | 68.58 | 78.08 | 84.95 | 87.94 | 85.50 | 81.38 | 72.55 | 58.82 | 53.42 | 70.14 | |||||||||||||
1994 | 53.65 | 55.14 | 62.84 | 68.60 | 75.52 | 89.20 | 90.37 | 90.23 | 84.15 | 70.48 | 56.65 | 53.90 | 70.89 | |||||||||||||
1995 | 52.55 | 60.62 | 61.18 | 64.77 | 72.63 | 83.28 | 88.37 | 87.32 | 82.83 | 72.35 | 63.05 | 53.97 | 70.24 | |||||||||||||
1996 | 53.61 | 58.83 | 61.10 | 68.85 | 79.02 | 87.35 | 88.61 | 86.34 | 77.67 | 70.40 | 60.93 | 53.66 | 70.53 | |||||||||||||
1997 | 52.40 | 53.55 | 64.74 | 65.75 | 79.69 | 83.07 | 87.97 | 85.74 | 84.15 | 69.94 | 60.73 | 48.61 | 69.70 | |||||||||||||
1998 | 53.21 | 50.80 | 57.90 | 61.37 | 72.89 | 81.78 | 86.45 | 86.47 | 82.58 | 70.68 | 60.45 | 51.94 | 68.04 | |||||||||||||
1999 | 53.58 | 56.89 | 61.35 | 62.30 | 74.69 | 83.82 | 84.02 | 85.19 | 81.82 | 74.68 | 65.40 | 51.26 | 69.58 | |||||||||||||
2000 | 54.98 | 57.31 | 58.81 | 70.28 | 80.18 | 84.53 | 88.16 | 84.87 | 84.75 | 68.18 | 52.83 | 54.27 | 69.93 | |||||||||||||
2001 | 49.66 | 52.75 | 60.16 | 66.55 | 79.27 | 85.53 | 86.18 | 85.85 | 84.38 | 73.23 | 62.90 | 49.32 | 69.65 | |||||||||||||
2002 | 51.58 | 57.04 | 59.19 | 71.58 | 75.79 | 87.97 | 86.82 | 86.08 | 82.50 | 69.47 | 61.33 | 50.66 | 70.00 | |||||||||||||
2003 | 58.16 | 54.84 | 59.81 | 65.70 | 77.94 | 85.70 | 89.19 | 86.26 | 82.73 | 75.35 | 58.98 | 52.77 | 70.62 | |||||||||||||
2004 | 52.92 | 50.76 | 66.63 | 66.27 | 77.74 | 84.83 | 87.00 | 84.90 | 80.97 | 69.85 | 56.20 | 52.69 | 69.23 | |||||||||||||
2005 | 54.44 | 55.80 | 59.24 | 67.78 | 77.35 | 85.62 | 90.56 | 83.90 | 83.53 | 72.74 | 62.62 | 54.56 | 70.68 | |||||||||||||
2006 | 54.55 | 58.29 | 58.71 | 68.52 | 78.98 | 88.37 | 88.31 | 83.68 | 78.50 | 70.19 | 63.00 | 51.08 | 70.18 | |||||||||||||
2007 | 48.58 | 55.39 | 63.05 | 68.52 | 78.05 | 86.00 | 87.89 | 86.82 | 82.95 | 72.82 | 65.70 | 49.23 | 70.42 | |||||||||||||
2008 | 51.68 | 55.26 | 60.89 | 68.28 | 73.27 | 86.98 | 85.60 | 85.37 | 82.37 | 72.87 | 62.95 | 53.71 | 69.94 | |||||||||||||
2009 | 55.50 | 57.32 | 63.18 | 67.03 | 80.06 | 82.85 | 90.06 | 88.68 | 83.65 | 69.76 | 64.42 | 50.74 | 71.10 | |||||||||||||
2010 | 53.94 | 53.80 | 58.52 | 65.32 | 73.81 | b | 86.28 | 88.94 | 86.89 | 84.67 | 72.58 | 58.25 | 56.73 | 69.98 | ||||||||||||
2011 | 51.58 | 51.88 | 64.05 | 69.65 | 73.50 | 86.13 | 88.08 | 89.27 | 82.58 | 73.21 | 59.23 | 48.90 | 69.84 | |||||||||||||
2012 | 55.56 | 55.59 | 60.56 | 69.77 | 79.02 | 87.83 | 85.74 | 88.16 | 82.05 | 73.40 | 64.75 | 53.39 | 71.32 | |||||||||||||
2013 | 49.84 | 50.84 | 65.71 | 69.82 | 78.85 | 89.43 | 87.97 | 87.55 | 82.95 | 70.23 | 63.35 | 53.24 | 70.81 | |||||||||||||
2014 | 57.29 | 60.68 | 64.40 | 69.22 | 77.29 | 88.92 | 88.32 | 85.15 | 82.80 | 75.69 | 61.75 | 54.13 | 72.14 | |||||||||||||
2015 | 55.42 | 62.07 | 66.26 | 69.03 | 73.39 | 88.55 | 87.27 | 88.98 | 82.80 | 73.60 | 59.10 | 51.52 | 71.50 | |||||||||||||
2016 | 52.52 | 61.07 | 65.05 | 68.60 | 75.11 | 88.43 | 90.26 | 85.40 | 80.63 | 77.52 | 63.98 | 56.26 | 72.07 | |||||||||||||
2017 | 52.90 | 59.59 | 67.85 | 71.08 | 76.58 | 89.72 | 87.53 | 87.00 | 82.95 | 77.27 | 69.13 | 57.31 | 73.24 | |||||||||||||
2018 | 59.08 | 57.45 | 62.95 | 72.58 | 78.55 | 86.75 | 88.98 | 86.48 | 84.90 | 69.63 | 59.72 | 53.16 | 71.69 | |||||||||||||
2019 | 52.65 | 51.77 | 61.74 | 69.28 | 70.85 | 85.18 | 90.35 | 89.26 | 82.22 | 71.52 | 63.78 | 53.61 | 70.18 | |||||||||||||
2020 | 53.44 | 55.02 | 60.90 | 69.60 | 80.74 | 86.38 | 91.47 | 91.98 | 85.65 | 76.10 | 64.75 | 54.17 | a | 72.52 | ||||||||||||
2021 | 54.15 | 57.96 | 60.69 | 71.93 | 78.27 | 89.80 | 85.81 | 85.66 | 82.97 | 71.08 | 66.95 | 57.23 | 71.88 | |||||||||||||
2022 | 54.26 | 54.32 | 61.68 | 71.80 | 79.48 | 89.10 | 90.05 | 85.79 | 84.65 | 71.40 | 57.93 | 54.00 | 71.21 | |||||||||||||
2023 | 51.58 | 53.32 | 59.06 | 69.97 | 77.26 | 84.53 | 94.21 | 89.89 | 85.65 | 76.53 | 65.12 | 56.73 | 71.99 | |||||||||||||
2024 | 52.82 | 57.09 | 59.73 | 67.32 | 73.75 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.24 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 52.21 | 54.96 | 59.83 | 66.90 | 75.05 | 84.65 | 87.05 | 85.30 | 81.48 | 71.30 | 59.99 | 52.52 | 69.29 | |||||||||||||
S.D. | 2.84 | 3.43 | 3.36 | 3.19 | 3.00 | 2.71 | 2.04 | 2.14 | 2.30 | 3.04 | 3.34 | 2.47 | 1.66 | |||||||||||||
SKEW | -0.27 | -0.10 | -0.01 | -0.38 | 0.03 | -0.07 | 0.58 | 0.48 | -0.43 | -0.07 | 0.13 | 0.06 | 0.06 | |||||||||||||
MAX | 59.08 | 62.07 | 67.85 | 73.82 | 80.74 | 89.80 | 94.21 | 91.98 | 85.65 | 77.52 | 69.13 | 58.10 | 73.24 | |||||||||||||
MIN | 42.95 | 47.66 | 51.55 | 57.83 | 68.82 | 77.58 | 82.77 | 81.24 | 76.28 | 64.16 | 52.83 | 46.95 | 65.98 | |||||||||||||
YRS | 76 | 76 | 76 | 76 | 75 | 76 | 76 | 76 | 76 | 76 | 77 | 76 | 75 |