YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.37 | 51.52 | 42.90 | 52.26 | i | |||
1949 | 38.11 | 45.64 | 52.63 | 61.67 | 64.34 | 73.02 | 74.47 | 72.10 | 71.58 | 61.16 | 55.55 | 43.61 | 59.49 | |||||||||||||
1950 | 42.98 | 50.25 | 52.61 | 60.83 | 65.16 | 69.25 | 76.50 | 75.98 | 70.83 | 64.02 | 57.73 | 50.19 | 61.36 | |||||||||||||
1951 | 45.68 | 49.54 | 52.69 | 57.95 | 65.15 | 69.12 | 73.97 | 73.83 | j | 70.93 | 62.95 | b | 55.05 | 45.82 | 58.99 | a | ||||||||||
1952 | 45.95 | 50.09 | 51.47 | 60.35 | 68.23 | 68.03 | 78.68 | 76.76 | 75.25 | 67.40 | 51.55 | 47.53 | 61.77 | |||||||||||||
1953 | 51.03 | 51.18 | 53.82 | 59.00 | 61.76 | 69.53 | 79.92 | 72.94 | 72.58 | 62.29 | 53.67 | 46.82 | 61.21 | |||||||||||||
1954 | 46.40 | 48.30 | 49.85 | 61.87 | 66.18 | 69.37 | 77.16 | 70.63 | 68.50 | 61.58 | 50.40 | 43.44 | 59.47 | |||||||||||||
1955 | 40.89 | 45.93 | 52.39 | 53.10 | 64.15 | 68.70 | 71.90 | 74.63 | 71.45 | 62.92 | 51.35 | 49.48 | 58.91 | |||||||||||||
1956 | 48.15 | 45.88 | 53.26 | 57.90 | 64.69 | 71.15 | 74.29 | 71.95 | 70.30 | 60.63 | 52.50 | 44.79 | 59.62 | |||||||||||||
1957 | 42.82 | 52.29 | 55.10 | 59.78 | 63.87 | 74.33 | 76.32 | 72.87 | 71.52 | 61.55 | 51.43 | 45.45 | 60.61 | |||||||||||||
1958 | 46.13 | 54.07 | 51.00 | 59.22 | 67.03 | 70.02 | 74.73 | 78.45 | 73.78 | 67.53 | 55.30 | 50.11 | 62.28 | |||||||||||||
1959 | 49.15 | 49.61 | 57.56 | 63.98 | 64.31 | 73.77 | 78.56 | 75.15 | 70.55 | 66.61 | 53.77 | 46.39 | 62.45 | |||||||||||||
1960 | 46.55 | 50.74 | 56.35 | 60.72 | 65.81 | 78.30 | 81.06 | 76.69 | 73.03 | 63.11 | 52.18 | 44.05 | 62.38 | |||||||||||||
1961 | 42.15 | 51.41 | 52.92 | 59.98 | 61.81 | 76.05 | 81.42 | 79.77 | 72.42 | 65.95 | 52.67 | 44.13 | 61.72 | |||||||||||||
1962 | 41.21 | 47.86 | 51.35 | 63.12 | 64.48 | 74.15 | 78.11 | 76.94 | 72.03 | 62.08 | 54.85 | 45.02 | 60.93 | |||||||||||||
1963 | 40.45 | 56.04 | 51.19 | 53.40 | 64.24 | 71.47 | 74.92 | 75.77 | 74.12 | 64.03 | 50.85 | 39.15 | 59.64 | |||||||||||||
1964 | 43.73 | 47.29 | 51.66 | 59.03 | 63.52 | 70.83 | 77.63 | 76.92 | 69.98 | 66.79 | 49.58 | 50.11 | 60.59 | |||||||||||||
1965 | 45.63 | 49.45 | 54.48 | 59.68 | 66.98 | 69.47 | 77.05 | 77.68 | 68.42 | 65.52 | 53.80 | 40.42 | 60.71 | |||||||||||||
1966 | 44.05 | 47.00 | 54.08 | 63.43 | 67.94 | 73.85 | 74.58 | 78.37 | 71.90 | 65.26 | 55.75 | 46.87 | 61.92 | |||||||||||||
1967 | 46.18 | 48.09 | 51.82 | 50.07 | 66.15 | 70.70 | 80.32 | 81.19 | 75.65 | 66.02 | 55.77 | 42.63 | 61.21 | |||||||||||||
1968 | 42.53 | 53.84 | 54.08 | 59.32 | 64.05 | 73.88 | 76.37 | 72.89 | 72.77 | 62.97 | 51.87 | 41.95 | 60.54 | |||||||||||||
1969 | 43.81 | 46.34 | 51.74 | 57.93 | 68.47 | 70.03 | 78.40 | 79.11 | 74.90 | 60.47 | 53.13 | 48.16 | 61.04 | |||||||||||||
1970 | 49.13 | 51.23 | 54.44 | 56.37 | 68.61 | 72.98 | 78.65 | 76.37 | 73.92 | 63.18 | 55.37 | 46.63 | 62.24 | |||||||||||||
1971 | 44.85 | 47.73 | 53.11 | 57.52 | 63.37 | 72.25 | 79.13 | 79.55 | 73.72 | 61.97 | 52.03 | 42.89 | 60.68 | |||||||||||||
1972 | 40.55 | 51.14 | 59.73 | 59.65 | 67.71 | 74.23 | 78.03 | 78.05 | 71.20 | 62.60 | 49.93 | 41.97 | 61.23 | |||||||||||||
1973 | 45.29 | 52.38 | 51.24 | 61.75 | 71.24 | 77.12 | 76.77 | 74.45 | 70.18 | 63.18 | 53.23 | 47.50 | 62.03 | |||||||||||||
1974 | 47.31 | 48.52 | 54.81 | 58.40 | 66.53 | 74.93 | 78.69 | 76.37 | 75.43 | 65.85 | 51.40 | 44.15 | 61.87 | |||||||||||||
1975 | 41.61 | 49.25 | 51.27 | 53.58 | 67.97 | 72.40 | 75.76 | 74.97 | 74.38 | 61.45 | 50.77 | 44.71 | 59.84 | |||||||||||||
1976 | 45.02 | 50.72 | 51.48 | 53.42 | 66.05 | 72.73 | 77.32 | 74.06 | 73.87 | 67.74 | 56.18 | 45.97 | 61.21 | |||||||||||||
1977 | 43.74 | 53.12 | 53.52 | 65.27 | 62.98 | 76.70 | 79.18 | 78.76 | 72.78 | 66.50 | 55.27 | 50.24 | 63.17 | |||||||||||||
1978 | 50.34 | 51.91 | 58.60 | 57.72 | 68.89 | 73.07 | 78.50 | 78.42 | 71.92 | 68.24 | 51.42 | 41.71 | 62.56 | |||||||||||||
1979 | 45.31 | 51.09 | 56.35 | 60.55 | 70.15 | 75.08 | 78.05 | 77.15 | 77.77 | 66.21 | 53.52 | 47.95 | 63.26 | |||||||||||||
1980 | 49.40 | 54.50 | 53.74 | 60.68 | 65.95 | 70.78 | 79.48 | 76.65 | 71.22 | 65.39 | 54.47 | 45.00 | 62.27 | |||||||||||||
1981 | 48.21 | 52.61 | 54.02 | 61.72 | 69.16 | 80.48 | 78.00 | 76.73 | 73.75 | 61.32 | 55.97 | 49.32 | 63.44 | |||||||||||||
1982 | 41.87 | 50.61 | 51.53 | 57.30 | 67.19 | 69.57 | 76.02 | 75.95 | 71.13 | 63.61 | 49.62 | 45.19 | 59.97 | |||||||||||||
1983 | 44.15 | 52.52 | 55.21 | 56.32 | 66.50 | 73.80 | 75.92 | 79.16 | 76.20 | 66.94 | 52.62 | 50.23 | 62.46 | |||||||||||||
1984 | 45.48 | 49.02 | 57.23 | 58.22 | 71.00 | 74.20 | 81.77 | 77.73 | 76.92 | 61.26 | 52.02 | 43.95 | 62.40 | |||||||||||||
1985 | 41.37 | 50.20 | 49.66 | 61.98 | 64.10 | 75.88 | 78.31 | 73.52 | 68.10 | 62.85 | 50.33 | 41.08 | 59.78 | |||||||||||||
1986 | 51.02 | 54.05 | 57.56 | 59.32 | 66.58 | 72.75 | 75.85 | 75.97 | 67.07 | 64.50 | 55.68 | 45.84 | 62.18 | |||||||||||||
1987 | 44.94 | 51.21 | 54.32 | 64.12 | 69.66 | 73.55 | 72.79 | 74.94 | 72.63 | 67.81 | 52.77 | 47.02 | 62.15 | |||||||||||||
1988 | 46.84 | 52.33 | 57.31 | 61.00 | 64.52 | 72.22 | 80.00 | 76.02 | 72.87 | 66.45 | 53.92 | 45.16 | 62.38 | |||||||||||||
1989 | 43.63 | 47.59 | 56.11 | 63.33 | 66.52 | 72.08 | 77.18 | 74.81 | 70.23 | 63.24 | 53.68 | 42.18 | 60.88 | |||||||||||||
1990 | 46.52 | 47.38 | 56.03 | 64.10 | 65.89 | 73.17 | 78.95 | 77.65 | 73.91 | a | 67.32 | 53.52 | 40.87 | 62.11 | ||||||||||||
1991 | 46.94 | 54.59 | 51.63 | 58.47 | 63.50 | 69.88 | 77.87 | 73.89 | 76.13 | 69.53 | 56.28 | 45.84 | 62.05 | |||||||||||||
1992 | 42.84 | 54.71 | 57.06 | 63.93 | 72.31 | 72.38 | 76.74 | 78.90 | 74.22 | 67.92 | 54.67 | 44.24 | 63.33 | |||||||||||||
1993 | 45.61 | 50.34 | 59.13 | 60.72 | 66.79 | 73.87 | 77.18 | 76.69 | 73.95 | 66.66 | 53.22 | 44.48 | 62.39 | |||||||||||||
1994 | 46.02 | 49.00 | 57.81 | 60.73 | 65.35 | 74.08 | 77.32 | 78.27 | 73.93 | 64.06 | 49.13 | 44.60 | 61.69 | |||||||||||||
1995 | 52.76 | 53.70 | 55.27 | 60.08 | 65.16 | 71.03 | 77.48 | 78.71 | 74.30 | 67.45 | 60.13 | 50.48 | 63.88 | |||||||||||||
1996 | 48.55 | 54.10 | 56.87 | 62.55 | 68.37 | 74.95 | 81.42 | 79.92 | 72.52 | 63.90 | 54.08 | 49.97 | 63.93 | |||||||||||||
1997 | 48.18 | 51.34 | 56.82 | 61.70 | 71.00 | 72.05 | 76.31 | 75.44 | 74.67 | 62.66 | 55.88 | 44.37 | 62.53 | |||||||||||||
1998 | 48.48 | 49.55 | 53.84 | 57.37 | 59.34 | 68.35 | 76.58 | 77.95 | 72.48 | 60.50 | 52.45 | 42.08 | 59.91 | |||||||||||||
1999 | 44.47 | 48.32 | 50.90 | 57.45 | 63.76 | 70.98 | 73.40 | 73.56 | 71.97 | 65.40 | 54.95 | 46.26 | 60.12 | |||||||||||||
2000 | 49.66 | 52.09 | 54.76 | 60.82 | 66.97 | 74.65 | 73.92 | 75.08 | 71.75 | 60.68 | 48.43 | 46.24 | 61.25 | |||||||||||||
2001 | 44.81 | 48.86 | 56.81 | 56.10 | 72.98 | 74.78 | 75.37 | 75.77 | 71.87 | 65.45 | 55.65 | 48.13 | 62.21 | |||||||||||||
2002 | 44.00 | 50.29 | 52.74 | 58.90 | 65.58 | 73.22 | 76.63 | 74.05 | 73.38 | 62.47 | 53.53 | 48.12 | a | 61.08 | ||||||||||||
2003 | 49.31 | 49.23 | 55.44 | 54.73 | 65.74 | 73.07 | 79.97 | 75.21 | 73.87 | 66.71 | 50.72 | 48.44 | 61.87 | |||||||||||||
2004 | 45.97 | 49.69 | 58.52 | 62.02 | 66.94 | 72.43 | 75.90 | 75.60 | 72.23 | 62.65 | 51.22 | 47.23 | 61.70 | |||||||||||||
2005 | 46.26 | 53.14 | 56.71 | 58.47 | 67.15 | 71.08 | 81.42 | 78.76 | 70.63 | 65.16 | 55.87 | 50.90 | 62.96 | |||||||||||||
2006 | 49.37 | 51.32 | 50.63 | 58.37 | 68.19 | 76.13 | 82.02 | 75.18 | 71.82 | 61.94 | 54.32 | 47.69 | 62.25 | |||||||||||||
2007 | 44.79 | 52.30 | 59.90 | 62.80 | 69.15 | 74.35 | 78.08 | 78.47 | 71.00 | 63.27 | 56.18 | 45.61 | 62.99 | |||||||||||||
2008 | 45.85 | 49.59 | 53.98 | 58.77 | 67.48 | 73.95 | 77.03 | 78.16 | 73.57 | 65.24 | 55.52 | 43.94 | 61.92 | |||||||||||||
2009 | 46.60 | 50.88 | 54.00 | 59.80 | 69.90 | 71.78 | 76.19 | 75.48 | 74.93 | 61.84 | 52.60 | 45.37 | 61.61 | |||||||||||||
2010 | 47.55 | 51.79 | 53.21 | 55.22 | 61.90 | 72.75 | 74.81 | 72.61 | 72.02 | 64.52 | 51.73 | 50.00 | 60.67 | |||||||||||||
2011 | 45.19 | 47.46 | 53.79 | 58.82 | 61.50 | 69.52 | 74.82 | 75.02 | 74.75 | 64.19 | 50.98 | 43.66 | 59.98 | |||||||||||||
2012 | 46.66 | 50.88 | 52.90 | 60.05 | 67.13 | 71.10 | 75.06 | 76.90 | 72.93 | 65.03 | 55.15 | 47.08 | 61.74 | |||||||||||||
2013 | 43.89 | 48.48 | 57.55 | 63.68 | 68.69 | 74.10 | 77.31 | 75.10 | 71.35 | 62.16 | 54.38 | 44.26 | 61.75 | |||||||||||||
2014 | 49.76 | 52.84 | 58.32 | 61.92 | 69.32 | 73.98 | 78.56 | 76.35 | 74.43 | 68.03 | 55.95 | 52.76 | 64.35 | |||||||||||||
2015 | 48.35 | 54.93 | 61.27 | a | 62.22 | 64.84 | 76.12 | 77.85 | 76.85 | 74.77 | 69.95 | 51.32 | 46.90 | 63.78 | ||||||||||||
2016 | 49.81 | 54.38 | 57.34 | 63.02 | 67.40 | 75.32 | 77.50 | 75.63 | 72.08 | 63.81 | 57.12 | b | 46.31 | 63.31 | ||||||||||||
2017 | 46.98 | 53.36 | 57.42 | 59.85 | 69.06 | 76.72 | 80.44 | 79.14 | b | 75.10 | 64.82 | 56.40 | 47.65 | 63.91 | ||||||||||||
2018 | 51.84 | 52.27 | 55.15 | 61.00 | 68.06 | 75.32 | 80.37 | 75.10 | 71.95 | 66.06 | 55.22 | 49.76 | 63.51 | |||||||||||||
2019 | 51.61 | 49.02 | 54.97 | 63.78 | 64.84 | 76.92 | 78.94 | 79.63 | 73.62 | 63.84 | 56.27 | 51.71 | 63.76 | |||||||||||||
2020 | 49.81 | 54.03 | 55.37 | 62.90 | 70.16 | 76.07 | 78.10 | 81.94 | 77.22 | 69.55 | 53.33 | 49.24 | 64.81 | |||||||||||||
2021 | 50.65 | 53.36 | 52.16 | 59.83 | 67.52 | 73.47 | 77.94 | 75.37 | 72.38 | 61.15 | 54.02 | 47.13 | 62.08 | |||||||||||||
2022 | 48.69 | 50.95 | 58.13 | 61.55 | 68.13 | 76.43 | 78.26 | 79.71 | 77.90 | 67.31 | 50.45 | 46.32 | 63.65 | |||||||||||||
2023 | 49.50 | 48.00 | 51.39 | 59.60 | 65.29 | 70.77 | 79.73 | 79.56 | 71.87 | 66.71 | 54.90 | 51.74 | 62.42 | |||||||||||||
2024 | 51.81 | 53.16 | 56.05 | 58.14 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.67 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.22 | 50.76 | 54.57 | 59.76 | 66.51 | 73.02 | 77.48 | 76.46 | 72.84 | 64.49 | 53.50 | 46.15 | 61.83 | |||||||||||||
S.D. | 3.13 | 2.47 | 2.67 | 2.97 | 2.64 | 2.54 | 2.20 | 2.30 | 2.16 | 2.44 | 2.28 | 2.97 | 1.31 | |||||||||||||
SKEW | -0.10 | -0.07 | 0.27 | -0.75 | -0.02 | 0.19 | -0.11 | -0.08 | -0.03 | 0.23 | 0.04 | 0.03 | -0.07 | |||||||||||||
MAX | 52.76 | 56.04 | 61.27 | 65.27 | 72.98 | 80.48 | 82.02 | 81.94 | 77.90 | 69.95 | 60.13 | 52.76 | 64.81 | |||||||||||||
MIN | 38.11 | 45.64 | 49.66 | 50.07 | 59.34 | 68.03 | 71.90 | 70.63 | 67.07 | 60.47 | 48.43 | 39.15 | 58.91 | |||||||||||||
YRS | 76 | 76 | 76 | 75 | 75 | 75 | 75 | 74 | 75 | 76 | 76 | 76 | 74 |