YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.56 | 47.56 | k | |
1944 | 46.44 | 47.98 | 56.40 | 61.98 | 71.18 | 74.68 | 84.34 | 85.10 | 79.64 | a | 68.45 | 53.50 | 48.56 | 64.85 | ||||||||||||
1945 | 48.45 | 51.88 | 52.69 | 64.52 | b | 71.90 | a | 79.25 | 89.50 | 83.57 | b | 79.43 | 67.56 | 54.38 | 46.26 | 65.78 | ||||||||||
1946 | 47.48 | 49.93 | 55.98 | 68.25 | 72.94 | 81.97 | 86.45 | 85.90 | 79.25 | 63.66 | 51.20 | 49.68 | 66.06 | |||||||||||||
1947 | 46.74 | 55.95 | 60.35 | 65.93 | 77.26 | 79.85 | 86.26 | 83.47 | 82.85 | 68.08 | 51.43 | 46.29 | 67.04 | |||||||||||||
1948 | 49.23 | 49.21 | 51.50 | 64.60 | 70.15 | 80.45 | 85.21 | 84.10 | 79.42 | 67.76 | 53.32 | 44.11 | 64.92 | |||||||||||||
1949 | 34.56 | 46.04 | c | 55.00 | 67.16 | a | 70.79 | 82.33 | 86.89 | 83.58 | 81.43 | 65.02 | 61.10 | 45.58 | 64.96 | |||||||||||
1950 | 43.81 | 54.36 | 58.37 | 68.43 | 72.42 | 79.30 | 87.69 | 86.11 | 77.32 | 71.85 | 60.53 | 54.53 | 67.89 | |||||||||||||
1951 | 48.32 | 50.73 | 56.89 | 64.02 | 72.55 | 80.30 | 87.71 | 84.97 | 82.07 | 66.76 | 53.68 | 45.84 | 66.15 | |||||||||||||
1952 | 43.87 | 51.50 | 52.52 | 63.58 | 75.16 | 76.70 | 86.71 | 87.74 | 79.78 | 73.55 | 52.22 | 47.34 | 65.89 | |||||||||||||
1953 | 53.08 | 50.39 | 56.89 | 63.50 | 64.60 | 77.18 | 89.42 | 83.69 | 80.67 | 67.08 | 57.12 | 47.40 | 65.92 | |||||||||||||
1954 | 48.77 | 56.70 | 53.87 | 69.48 | 75.94 | 78.98 | 89.05 | 82.60 | 79.02 | 68.63 | 58.25 | 45.95 | 67.27 | |||||||||||||
1955 | 43.60 | 46.39 | 56.40 | 60.28 | 70.10 | 79.28 | 84.68 | 87.24 | 80.67 | 70.06 | 55.67 | 51.37 | 65.48 | |||||||||||||
1956 | 51.97 | 49.02 | 58.26 | 62.57 | 72.03 | 82.30 | 85.76 | 83.19 | 82.40 | 65.68 | 53.18 | 49.35 | 66.31 | |||||||||||||
1957 | 44.68 | 57.54 | 58.92 | 64.33 | 69.03 | 83.50 | 86.56 | 85.05 | 79.37 | 63.47 | 52.40 | 49.08 | 66.16 | |||||||||||||
1958 | 49.65 | 55.52 | 52.27 | 63.03 | 75.98 | 80.38 | 85.90 | 87.65 | 80.15 | 71.35 | 55.80 | 52.55 | 67.52 | |||||||||||||
1959 | 51.24 | 50.18 | 60.82 | 70.37 | 70.60 | 84.45 | 91.50 | 84.82 | 76.93 | 70.11 | 57.33 | 48.55 | 68.08 | |||||||||||||
1960 | 44.26 | 50.21 | 61.85 | 66.27 | 73.19 | 86.63 | 89.60 | 86.63 | 81.88 | 67.47 | 54.42 | 47.06 | 67.46 | |||||||||||||
1961 | 48.69 | 53.21 | 58.71 | 66.82 | 70.90 | 85.42 | 90.74 | 85.87 | 76.45 | 66.55 | 52.87 | 46.55 | 66.90 | |||||||||||||
1962 | 47.65 | 52.02 | 53.42 | 69.32 | 69.00 | 80.47 | 85.87 | 86.71 | 80.77 | 69.23 | 59.63 | 49.55 | 66.97 | |||||||||||||
1963 | 44.69 | 59.61 | 55.94 | 59.88 | 73.52 | 76.50 | 85.87 | 83.74 | 79.58 | 69.92 | 56.30 | 48.31 | 66.15 | |||||||||||||
1964 | 45.71 | 48.86 | 54.39 | 61.85 | 69.71 | 78.72 | 87.15 | 86.21 | 76.80 | 73.19 | 51.28 | 50.24 | 65.34 | |||||||||||||
1965 | 48.71 | 52.00 | 56.08 | 61.68 | 70.21 | 75.67 | 85.79 | 85.87 | 73.52 | 71.50 | 57.13 | 45.81 | 65.33 | |||||||||||||
1966 | 44.18 | 47.98 | 58.76 | 66.82 | 74.98 | 81.30 | 85.90 | 88.61 | 78.62 | 67.16 | 56.75 | 47.68 | 66.56 | |||||||||||||
1967 | 48.68 | 53.18 | 58.56 | 55.08 | 71.98 | 77.88 | 89.60 | 89.50 | 78.77 | 70.23 | 59.50 | 44.39 | 66.45 | |||||||||||||
1968 | 47.26 | 57.43 | 58.87 | 63.05 | 73.66 | 84.32 | 88.39 | 83.24 | 80.85 | 69.52 | 58.18 | 43.89 | 67.39 | |||||||||||||
1969 | 51.89 | 49.80 | 56.45 | 65.22 | 76.35 | 80.15 | 89.37 | 90.95 | 83.95 | 65.02 | 56.82 | 51.61 | 68.13 | |||||||||||||
1970 | 49.58 | 55.50 | 58.74 | 60.43 | 75.29 | 83.02 | 91.69 | 90.47 | 78.03 | 66.61 | 58.02 | 47.74 | 67.93 | |||||||||||||
1971 | 49.73 | 54.77 | 59.27 | 62.98 | 68.84 | 81.90 | 91.08 | 90.10 | 80.18 | 64.48 | 54.68 | 45.45 | 66.96 | |||||||||||||
1972 | 47.23 | 56.53 | 66.73 | 66.55 | 74.60 | 83.07 | 91.77 | 86.47 | 78.35 | 64.48 | 53.72 | 45.21 | 67.89 | |||||||||||||
1973 | 45.31 | 51.96 | 54.02 | 63.32 | 77.02 | 85.05 | 90.05 | 86.88 | a | 78.57 | 68.34 | 57.87 | 52.60 | 67.58 | ||||||||||||
1974 | 48.66 | 54.32 | 62.95 | 65.58 | 77.02 | 87.27 | 90.13 | 88.27 | 86.37 | 71.74 | 58.87 | 49.95 | 70.09 | |||||||||||||
1975 | 51.68 | 53.12 | 55.74 | 59.27 | 73.87 | 83.30 | 89.73 | 87.03 | 82.82 | 67.37 | 56.03 | 52.13 | 67.67 | |||||||||||||
1976 | 52.34 | 56.83 | 58.69 | 64.23 | 78.47 | 83.72 | 89.92 | a | 84.52 | 78.62 | 70.39 | 61.43 | 49.65 | 69.07 | ||||||||||||
1977 | 50.45 | 58.57 | 55.79 | 70.00 | 68.10 | 86.87 | 91.00 | 86.48 | 77.45 | 69.53 | 57.37 | 53.05 | 68.72 | |||||||||||||
1978 | 48.79 | 54.21 | 60.44 | 62.02 | 73.06 | 84.33 | 89.11 | 87.37 | 77.57 | 74.32 | 54.93 | 44.90 | 67.59 | |||||||||||||
1979 | 44.31 | 50.98 | 57.10 | 65.88 | 74.79 | 83.95 | 88.57 | a | 84.40 | 84.72 | 71.61 | 55.08 | 50.82 | 67.68 | ||||||||||||
1980 | 53.82 | 55.19 | 56.13 | 65.05 | 68.71 | 81.12 | 90.02 | 87.42 | 81.10 | 72.23 | 60.90 | 55.26 | 68.91 | |||||||||||||
1981 | 52.71 | 55.04 | 57.76 | 69.13 | 74.82 | 88.07 | 91.47 | 90.90 | 83.60 | 66.44 | 60.62 | 55.31 | 70.49 | |||||||||||||
1982 | 49.89 | 57.50 | 58.42 | 65.47 | 74.61 | 80.68 | 87.23 | 87.45 | c | 78.68 | 68.73 | 56.23 | 48.20 | a | 67.76 | |||||||||||
1983 | 50.73 | 53.64 | 57.21 | 60.28 | 73.74 | 80.85 | 85.74 | 83.82 | 83.42 | 70.52 | 58.65 | 52.37 | 67.58 | |||||||||||||
1984 | 50.81 | 52.41 | 59.76 | 63.37 | 79.98 | 83.59 | b | 89.97 | 89.61 | v | 85.28 | 67.06 | 57.22 | 47.89 | 67.03 | a | ||||||||||
1985 | 46.50 | 49.38 | 54.50 | 68.10 | 72.45 | 85.28 | 89.81 | 85.90 | 73.77 | 67.85 | 53.77 | 48.98 | 66.36 | |||||||||||||
1986 | 52.21 | 55.93 | 62.39 | 64.52 | 75.10 | 84.63 | 85.29 | 90.26 | 74.17 | 65.55 | 56.73 | 46.35 | 67.76 | |||||||||||||
1987 | 45.43 | a | 52.07 | 54.93 | b | 69.17 | 73.23 | 84.42 | 83.58 | 87.68 | 80.58 | 71.81 | 54.32 | 43.35 | 66.71 | |||||||||||
1988 | 46.24 | 54.21 | 59.05 | 64.35 | 72.21 | 80.93 | 91.10 | 86.44 | 79.23 | 75.19 | 57.10 | 47.21 | 67.77 | |||||||||||||
1989 | 45.16 | 50.80 | 62.82 | 72.62 | 73.95 | 82.37 | 90.85 | 84.81 | 78.78 | 66.77 | 58.42 | 49.02 | 68.03 | |||||||||||||
1990 | 47.10 | 50.00 | 59.71 | 67.73 | 71.61 | 83.30 | 89.52 | 85.34 | 80.30 | 69.61 | 55.32 | 41.10 | 66.72 | |||||||||||||
1991 | 46.44 | 57.89 | 52.52 | 63.13 | 69.31 | 80.23 | 88.39 | 86.61 | 82.38 | 73.77 | 57.35 | 47.94 | 67.16 | |||||||||||||
1992 | 47.16 | 54.67 | 57.34 | 69.17 | 78.27 | 81.35 | 86.50 | 88.84 | 82.70 | 71.08 | 53.40 | 43.81 | 67.86 | |||||||||||||
1993 | 46.35 | 51.23 | 61.35 | 66.42 | 74.29 | 80.98 | a | 85.76 | 86.55 | 80.15 | 69.29 | 53.18 | 46.71 | 66.86 | ||||||||||||
1994 | 50.15 | 48.88 | 62.65 | 67.45 | 73.34 | 87.33 | 91.76 | 90.08 | 81.20 | 67.48 | 48.18 | 48.18 | 68.06 | |||||||||||||
1995 | 48.85 | 59.57 | 58.40 | 64.47 | 69.72 | d | 78.78 | 88.90 | 89.68 | 84.12 | 70.26 | 62.32 | 51.16 | 68.85 | ||||||||||||
1996 | 52.39 | 56.43 | 60.03 | 67.82 | 76.03 | 84.37 | 91.97 | 90.39 | 79.88 | 67.16 | 57.50 | 50.55 | 69.54 | |||||||||||||
1997 | 50.52 | 52.86 | 63.63 | 66.05 | 80.77 | 82.07 | 86.03 | 88.45 | 81.22 | 66.77 | 57.17 | 45.65 | 68.43 | |||||||||||||
1998 | 50.35 | 50.11 | 56.32 | 60.23 | 66.26 | 77.57 | 89.85 | 90.81 | 77.92 | 66.03 | 56.12 | 47.97 | 65.79 | |||||||||||||
1999 | 51.97 | 53.27 | 57.24 | 59.97 | 73.40 | 82.17 | 86.90 | 86.15 | 81.32 | 72.39 | 58.82 | 49.69 | 67.77 | |||||||||||||
2000 | 53.42 | 54.26 | 59.82 | 70.30 | 79.02 | 86.23 | 89.45 | 88.08 | 79.62 | 67.05 | 50.50 | a | 50.02 | 68.98 | ||||||||||||
2001 | 45.65 | 48.66 | 60.66 | 62.52 | 81.00 | 85.75 | 87.00 | 89.76 | 82.87 | 72.26 | 57.92 | 46.05 | 68.34 | |||||||||||||
2002 | 46.61 | 53.04 | 56.45 | 67.27 | 73.89 | 85.63 | 90.68 | 87.82 | 81.27 | 67.29 | 56.73 | 48.03 | 67.89 | |||||||||||||
2003 | 55.31 | 51.61 | 59.69 | 61.00 | 75.35 | 85.42 | 92.92 | 88.98 | 84.70 | 75.74 | 52.67 | 47.95 | 69.28 | |||||||||||||
2004 | 48.24 | 49.36 | 65.03 | 67.62 | 75.98 | 84.87 | 90.02 | 87.60 | 80.00 | 66.82 | 52.47 | 47.84 | 67.99 | |||||||||||||
2005 | 49.23 | 51.29 | 57.45 | 62.33 | 74.77 | 80.22 | 91.63 | 88.37 | 77.17 | 68.11 | 58.48 | 49.89 | 67.41 | |||||||||||||
2006 | 49.89 | 53.55 | 53.69 | 63.05 | 77.76 | 87.58 | 92.97 | 87.16 | 79.67 | 65.89 | 57.93 | 46.68 | 67.98 | |||||||||||||
2007 | 45.24 | 53.45 | 63.27 | 68.30 | 76.56 | 85.08 | 91.02 | 90.05 | 78.00 | 66.68 | 59.08 | 45.26 | 68.50 | |||||||||||||
2008 | 45.56 | 53.24 | 59.73 | 65.53 | 72.23 | 85.42 | 90.29 | 90.13 | 83.32 | 69.55 | 59.82 | 46.13 | 68.41 | |||||||||||||
2009 | 50.61 | c | 50.25 | 57.35 | 63.62 | 80.61 | 77.95 | b | 94.00 | q | 87.24 | 83.27 | 65.48 | 56.12 | 44.81 | 65.21 | a | |||||||||
2010 | 47.73 | 52.27 | 56.61 | 61.23 | 69.16 | 83.75 | 91.16 | 86.65 | 81.97 | 68.21 | 54.17 | 50.82 | 66.98 | |||||||||||||
2011 | 48.84 | 48.88 | 58.32 | 64.65 | 69.58 | 81.22 | 87.85 | 89.05 | 82.67 | 70.24 | 53.52 | 45.53 | 66.70 | |||||||||||||
2012 | 50.40 | 52.93 | 58.63 | 66.95 | 77.58 | 84.12 | 87.50 | 91.11 | 84.32 | 70.65 | 59.10 | 48.35 | 69.30 | |||||||||||||
2013 | 44.82 | 51.05 | 63.90 | 69.58 | 75.81 | 87.20 | 92.06 | 86.66 | 80.87 | 65.26 | 56.40 | 47.35 | a | 68.41 | ||||||||||||
2014 | 53.31 | 58.66 | 61.58 | 67.83 | 75.87 | 86.22 | 90.61 | 86.55 | 83.32 | 72.42 | 58.45 | 49.58 | 70.37 | |||||||||||||
2015 | 51.10 | 59.29 | 65.16 | 66.62 | 71.90 | 87.63 | 85.84 | 90.55 | 83.53 | 72.37 | 52.23 | 45.82 | 69.34 | |||||||||||||
2016 | 47.98 | 56.12 | 62.08 | 67.15 | 72.77 | 88.98 | 91.73 | 89.08 | 78.63 | 69.76 | 58.20 | 48.06 | 69.21 | |||||||||||||
2017 | 47.77 | 55.32 | 62.60 | a | 66.80 | c | 73.89 | 86.80 | 92.47 | 89.50 | 78.77 | 68.98 | 60.47 | 49.53 | 69.41 | |||||||||||
2018 | 52.55 | 52.20 | 57.71 | 69.43 | 74.71 | 85.17 | 93.35 | 90.39 | 83.78 | 67.57 | b | 56.97 | 48.48 | 69.36 | ||||||||||||
2019 | 48.71 | 47.18 | 57.15 | 68.65 | 68.05 | 84.53 | 89.32 | 89.34 | 80.45 | 65.74 | 56.28 | e | 47.26 | 66.89 | ||||||||||||
2020 | 51.34 | 55.64 | 56.58 | 65.62 | 77.00 | 82.86 | a | 90.18 | 92.27 | 84.22 | 74.08 | 56.60 | 48.34 | 69.56 | ||||||||||||
2021 | 49.29 | 53.34 | 56.37 | 69.07 | 76.85 | 89.53 | 93.33 | b | 90.34 | 83.57 | 66.02 | 62.43 | 48.85 | 69.92 | ||||||||||||
2022 | 48.74 | 51.55 | 61.45 | 68.35 | 75.32 | a | 85.95 | 91.38 | a | 91.82 | c | 84.82 | 72.23 | 51.90 | 48.77 | 69.36 | ||||||||||
2023 | 47.55 | 48.55 | 53.53 | 66.60 | 73.82 | 78.68 | 93.44 | 87.53 | a | 79.38 | 69.32 | 55.13 | 51.03 | 67.05 | ||||||||||||
2024 | 51.00 | 53.02 | 57.35 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.79 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 48.49 | 52.84 | 58.20 | 65.29 | 73.61 | 82.72 | 89.01 | 87.36 | 80.55 | 68.89 | 56.24 | 48.19 | 67.60 | |||||||||||||
S.D. | 3.17 | 3.22 | 3.26 | 3.22 | 3.37 | 3.32 | 2.47 | 2.38 | 2.66 | 2.82 | 2.96 | 2.71 | 1.34 | |||||||||||||
SKEW | -0.89 | 0.15 | 0.26 | -0.37 | -0.08 | -0.21 | -0.18 | -0.03 | -0.24 | 0.33 | -0.17 | 0.34 | 0.00 | |||||||||||||
MAX | 55.31 | 59.61 | 66.73 | 72.62 | 81.00 | 89.53 | 93.44 | 92.27 | 86.37 | 75.74 | 62.43 | 55.31 | 70.49 | |||||||||||||
MIN | 34.56 | 46.04 | 51.50 | 55.08 | 64.60 | 74.68 | 83.58 | 82.60 | 73.52 | 63.47 | 48.18 | 41.10 | 64.85 | |||||||||||||
YRS | 81 | 81 | 81 | 80 | 80 | 80 | 79 | 79 | 80 | 80 | 80 | 81 | 78 |