YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1938 | ----- | z | ----- | z | ----- | z | 63.05 | a | 71.77 | 79.73 | 78.73 | 78.68 | 71.78 | 66.26 | 47.98 | 45.90 | 67.10 | c | ||||||||
1939 | 43.76 | 42.20 | 56.31 | 64.22 | 72.74 | 81.70 | 81.16 | 79.31 | 75.70 | 63.26 | 50.75 | 47.23 | 63.19 | |||||||||||||
1940 | 40.92 | 48.90 | 56.40 | 62.17 | 71.81 | 77.82 | 81.82 | 78.63 | 75.98 | 65.50 | 50.38 | 48.95 | 63.27 | |||||||||||||
1941 | 45.45 | 51.98 | 52.82 | 59.37 | 72.55 | 76.85 | 79.58 | 78.23 | 73.65 | 64.26 | 52.43 | 45.85 | 62.75 | |||||||||||||
1942 | 45.81 | 46.52 | 52.77 | 62.03 | 71.55 | 81.07 | 81.52 | 78.05 | 72.18 | 63.29 | 55.82 | 47.74 | 63.20 | |||||||||||||
1943 | 44.42 | 51.25 | 55.79 | 67.33 | 72.53 | 79.52 | 80.69 | 83.98 | 73.75 | 63.77 | 51.22 | 43.58 | 63.99 | |||||||||||||
1944 | 40.85 | 49.47 | 54.05 | 61.65 | 71.69 | 79.37 | 82.32 | 80.02 | 72.52 | 65.65 | 51.47 | 44.68 | 62.81 | |||||||||||||
1945 | 45.82 | 51.50 | 54.23 | 61.78 | 73.13 | 79.00 | 81.66 | 81.58 | 75.87 | 63.73 | 54.90 | 45.42 | 64.05 | |||||||||||||
1946 | 41.11 | 48.52 | 55.89 | 67.87 | 71.58 | 82.57 | 81.95 | 81.82 | 76.83 | 66.19 | 49.83 | 47.05 | 64.27 | |||||||||||||
1947 | 40.02 | 49.66 | 55.32 | 61.42 | 73.48 | 79.38 | 83.60 | 79.95 | 76.37 | 67.95 | 49.35 | 43.00 | 63.29 | |||||||||||||
1948 | 40.63 | 48.83 | 50.74 | 67.42 | 74.60 | 82.27 | 83.21 | 82.24 | 76.00 | 64.45 | 47.93 | 47.87 | 63.85 | |||||||||||||
1949 | 36.06 | 48.20 | 56.92 | 62.12 | 72.48 | 80.62 | 81.66 | 80.11 | 74.70 | 62.69 | 55.70 | 43.97 | 62.94 | |||||||||||||
1950 | 49.16 | 53.32 | 58.03 | 65.90 | 72.11 | 82.45 | 79.58 | 80.60 | 74.38 | 70.69 | 54.00 | 50.00 | 65.85 | |||||||||||||
1951 | 44.21 | 47.59 | 54.48 | 61.33 | 73.05 | 80.80 | 85.56 | 82.45 | 77.85 | 67.79 | 50.95 | 46.40 | 64.37 | |||||||||||||
1952 | 49.16 | 47.47 | 50.71 | 62.95 | 72.00 | 82.67 | 81.27 | 83.55 | 76.15 | 65.32 | 49.50 | 44.03 | 63.73 | |||||||||||||
1953 | 50.26 | 48.04 | 58.65 | 64.38 | 68.73 | 84.10 | 83.45 | 82.06 | 76.25 | 64.16 | 53.77 | 39.48 | 64.44 | |||||||||||||
1954 | 47.00 | 52.59 | 54.90 | 68.55 | 73.23 | 81.15 | 83.18 | 79.24 | 78.47 | 67.90 | 54.48 | 46.02 | 65.56 | |||||||||||||
1955 | 42.31 | 45.39 | 55.79 | 64.78 | 71.61 | 79.78 | 79.71 | 80.13 | 76.80 | 66.29 | 54.40 | 49.32 | 63.86 | |||||||||||||
1956 | 49.69 | 44.83 | 57.47 | 61.75 | 75.68 | 83.90 | 82.03 | 79.92 | 77.40 | 67.47 | 48.38 | 44.60 | 64.43 | |||||||||||||
1957 | 49.26 | 57.52 | 56.98 | 62.33 | 69.47 | 81.90 | 83.94 | 80.52 | 74.50 | 62.34 | 48.93 | 46.35 | 64.50 | |||||||||||||
1958 | 42.90 | 51.57 | 51.11 | 63.33 | 74.16 | 83.47 | 84.47 | 82.61 | 73.97 | 62.52 | 53.23 | 46.98 | 64.19 | |||||||||||||
1959 | 47.85 | 49.27 | 54.00 | 64.92 | 73.84 | 82.95 | 82.90 | 80.98 | 77.92 | 66.11 | 50.27 | 46.27 | 64.77 | |||||||||||||
1960 | 42.44 | 46.29 | 59.63 | 66.30 | 73.61 | 84.98 | 81.85 | 82.47 | 75.60 | 63.50 | 52.87 | 38.77 | 64.03 | |||||||||||||
1961 | 41.02 | 47.89 | 56.26 | 64.08 | 74.13 | 80.77 | 82.73 | 80.52 | 74.50 | 63.47 | 47.72 | 46.29 | 63.28 | |||||||||||||
1962 | 40.45 | 53.41 | 50.89 | 67.28 | 74.08 | 80.02 | 81.29 | 83.95 | 73.85 | 64.89 | 53.67 | 45.23 | 64.08 | |||||||||||||
1963 | 40.47 | 49.11 | 56.31 | 66.43 | 74.90 | 81.07 | 84.92 | 80.26 | 76.18 | 66.40 | 53.43 | 42.68 | 64.35 | |||||||||||||
1964 | 39.29 | 40.76 | 53.53 | 63.20 | 73.85 | 81.45 | 84.45 | 82.56 | 75.15 | 63.37 | 51.73 | 43.98 | 62.78 | |||||||||||||
1965 | 47.95 | 46.70 | 52.11 | 65.27 | 71.81 | 78.18 | 84.16 | 81.05 | 74.00 | 63.00 | 56.78 | 45.69 | 63.89 | |||||||||||||
1966 | 40.03 | 42.88 | 56.34 | 65.03 | 74.40 | 79.48 | 83.61 | 78.73 | 73.33 | 62.10 | 54.50 | 42.32 | 62.73 | |||||||||||||
1967 | 41.60 | 48.02 | 59.58 | 65.03 | 70.84 | 79.07 | 82.97 | 78.55 | 73.25 | 63.65 | 53.05 | 41.52 | 63.09 | |||||||||||||
1968 | 42.44 | 50.43 | 52.92 | 61.32 | 72.94 | 81.00 | 79.08 | 76.48 | 72.37 | 64.97 | 50.98 | 41.27 | 62.18 | |||||||||||||
1969 | 48.56 | 48.34 | 49.37 | 65.73 | 72.10 | 81.43 | 84.90 | 85.65 | 77.12 | 67.63 | 52.48 | 48.55 | 65.16 | |||||||||||||
1970 | 46.82 | 52.32 | 55.56 | 63.52 | 72.16 | 79.68 | 82.74 | 81.35 | 74.15 | 59.50 | 51.85 | 48.00 | 63.97 | |||||||||||||
1971 | 44.60 | 48.41 | 58.10 | 62.55 | 72.11 | 81.08 | 82.27 | 76.94 | 73.48 | 62.48 | 52.03 | 44.65 | 63.23 | |||||||||||||
1972 | 45.23 | 52.29 | 61.16 | 65.15 | 69.81 | 78.27 | 82.19 | 77.65 | 72.88 | 65.73 | 48.75 | 46.61 | 63.81 | |||||||||||||
1973 | 42.89 | 46.93 | 52.37 | 57.63 | 68.71 | 76.60 | 79.61 | 79.16 | 75.93 | 63.27 | 53.77 | 45.69 | 61.88 | |||||||||||||
1974 | 44.31 | 44.75 | 59.56 | 64.93 | 75.60 | 82.75 | 79.58 | 76.97 | 69.38 | 63.00 | 49.93 | 41.26 | 62.67 | |||||||||||||
1975 | 43.03 | 48.84 | 54.52 | a | 59.73 | 69.81 | 80.87 | 79.79 | 80.89 | 72.18 | 63.98 | 51.45 | 44.13 | 62.43 | ||||||||||||
1976 | 42.24 | 52.59 | 55.87 | 64.10 | 69.42 | 79.37 | 78.18 | 78.73 | 70.47 | 58.50 | 44.73 | 41.84 | 61.34 | |||||||||||||
1977 | 44.69 | 47.23 | 49.68 | 61.50 | 70.68 | 81.47 | 82.13 | 82.50 | 77.42 | 64.29 | 53.68 | 49.56 | 63.74 | |||||||||||||
1978 | 45.32 | 48.79 | 58.55 | 66.10 | 73.56 | 83.33 | 84.53 | 80.00 | 72.23 | 63.60 | 55.80 | 44.58 | 64.70 | |||||||||||||
1979 | 41.03 | 47.05 | 53.08 | 63.62 | 70.05 | 78.42 | 85.05 | 78.71 | 74.20 | 66.15 | 47.88 | 43.13 | 62.36 | |||||||||||||
1980 | 46.84 | 50.64 | 54.10 | 60.63 | 70.52 | 86.23 | 87.15 | 82.35 | 75.57 | 60.23 | 49.17 | 48.42 | 64.32 | |||||||||||||
1981 | 45.21 | 50.30 | 57.23 | 64.78 | 73.55 | 82.58 | 83.61 | 79.48 | 75.83 | 64.61 | 54.27 | 48.69 | 65.01 | |||||||||||||
1982 | 42.29 | 48.71 | 57.63 | 64.33 | 69.63 | 80.88 | 84.15 | 83.48 | 77.08 | 64.56 | 53.22 | 43.24 | 64.10 | |||||||||||||
1983 | 41.60 | 49.41 | 54.63 | 56.28 | 68.85 | 77.30 | 82.89 | 81.77 | 78.68 | 66.61 | 54.33 | 45.47 | 63.15 | |||||||||||||
1984 | 44.37 | 46.98 | 55.65 | 61.97 | 75.00 | 79.47 | 81.05 | 80.32 | 72.87 | 61.32 | 51.53 | 45.73 | 63.02 | |||||||||||||
1985 | 39.97 | 45.59 | 55.24 | 64.22 | 72.13 | 79.03 | 79.40 | 80.53 | 72.80 | 61.39 | 52.85 | 43.10 | 62.19 | |||||||||||||
1986 | 44.65 | 52.12 | 55.68 | 67.28 | 71.45 | 77.70 | 80.00 | 80.37 | 74.10 | 62.42 | 49.43 | 42.61 | 63.15 | |||||||||||||
1987 | 41.26 | 46.16 | 51.16 | 59.72 | 68.52 | 78.07 | 81.60 | 79.05 | 72.07 | 66.98 | 51.35 | 40.48 | 61.37 | |||||||||||||
1988 | 42.63 | 48.41 | 53.40 | 61.13 | 70.27 | 79.00 | 80.23 | 77.55 | 72.32 | 66.66 | 53.97 | 42.61 | 62.35 | |||||||||||||
1989 | 43.52 | 51.34 | 58.71 | 67.32 | 74.18 | 81.22 | 81.79 | 79.05 | 73.38 | 63.23 | 53.25 | 41.90 | 64.07 | |||||||||||||
1990 | 44.08 | 49.04 | 56.05 | 66.40 | 73.11 | 87.03 | 80.16 | 76.77 | 73.93 | 63.37 | 52.88 | 44.84 | 63.97 | |||||||||||||
1991 | 44.27 | 51.07 | 53.94 | 63.97 | 72.52 | 78.93 | 78.65 | 79.44 | 70.68 | 65.42 | 50.25 | 46.23 | 62.95 | |||||||||||||
1992 | 43.98 | 50.17 | 58.11 | 67.88 | 70.55 | 81.43 | 85.03 | 81.27 | 77.80 | 66.48 | 48.02 | 44.65 | 64.62 | |||||||||||||
1993 | 48.52 | 51.39 | 57.94 | 66.72 | 74.55 | 82.70 | 85.13 | 82.47 | 75.77 | 64.35 | 52.32 | 46.89 | 65.73 | |||||||||||||
1994 | 45.53 | 50.41 | 58.24 | 66.63 | 75.68 | 88.93 | 88.02 | 86.19 | 78.30 | 66.58 | 54.35 | 49.39 | 67.35 | |||||||||||||
1995 | 47.10 | 56.23 | 59.66 | 65.17 | 74.31 | 80.20 | 83.06 | 82.73 | 74.05 | 65.63 | 54.98 | 47.60 | 65.89 | |||||||||||||
1996 | 46.53 | 54.52 | 54.61 | 65.43 | 80.10 | 83.43 | 82.85 | 79.61 | 73.53 | 65.50 | 53.02 | f | 46.29 | 66.58 | a | |||||||||||
1997 | 44.21 | 48.14 | 58.58 | 61.47 | 74.27 | 80.95 | 82.65 | 81.55 | 78.38 | 63.61 | 52.23 | 40.61 | 63.89 | |||||||||||||
1998 | 47.06 | 47.54 | 54.02 | 59.50 | 74.40 | 82.23 | 83.44 | 80.65 | 79.13 | 65.95 | 55.20 | 45.73 | 64.57 | |||||||||||||
1999 | 48.02 | 53.57 | 57.95 | 63.20 | 74.15 | 79.95 | 81.15 | 81.19 | 75.38 | 63.85 | 56.50 | 43.42 | 64.86 | |||||||||||||
2000 | 49.68 | 53.93 | 57.11 | 68.33 | 79.02 | 80.23 | 84.05 | 81.47 | 78.58 | 62.52 | 47.63 | 44.00 | 65.55 | |||||||||||||
2001 | 41.81 | 50.05 | 56.32 | 65.48 | 75.98 | 83.23 | 84.27 | 81.00 | 76.82 | 67.60 | 54.70 | 42.68 | 65.00 | |||||||||||||
2002 | 46.15 | 47.09 | 56.74 | 69.90 | 75.00 | 85.13 | 82.27 | 84.45 | 77.00 | 64.34 | 52.13 | 43.82 | 65.34 | |||||||||||||
2003 | 48.65 | 50.18 | 55.47 | 65.52 | 75.95 | 81.25 | 84.90 | 83.81 | 77.57 | 68.48 | 55.20 | 44.63 | 65.97 | |||||||||||||
2004 | 46.44 | 45.79 | 59.87 | 63.78 | 76.26 | 81.43 | 82.82 | 79.16 | 73.82 | 65.76 | 50.32 | 43.76 | 64.10 | |||||||||||||
2005 | 48.65 | 49.95 | 55.35 | 64.73 | 73.98 | 83.80 | 85.65 | 79.97 | 78.07 | 64.98 | 55.33 | 47.90 | 65.70 | |||||||||||||
2006 | 49.06 | 52.29 | 59.05 | 69.77 | 78.21 | 83.60 | 83.63 | 78.77 | 71.50 | 64.48 | 56.47 | 43.63 | 65.87 | |||||||||||||
2007 | 42.56 | 50.57 | 59.27 | 64.25 | 72.60 | 81.67 | 82.18 | 83.35 | 77.55 | 67.98 | 55.48 | 45.94 | 65.28 | |||||||||||||
2008 | 45.23 | 52.72 | 57.92 | 65.33 | 74.11 | 85.28 | 80.45 | 79.18 | 71.90 | 65.66 | 54.05 | 47.76 | 64.97 | |||||||||||||
2009 | 48.11 | 53.36 | 59.61 | 65.68 | 77.44 | 81.83 | 86.68 | 84.06 | 75.52 | 65.37 | 55.15 | 43.95 | 66.40 | |||||||||||||
2010 | 43.50 | 49.05 | 55.53 | 64.92 | 74.21 | 85.20 | 83.15 | 84.44 | 78.75 | 68.52 | 53.30 | 50.65 | 65.93 | |||||||||||||
2011 | 44.53 | 45.14 | 63.19 | 70.30 | 74.47 | 86.67 | 86.24 | 86.97 | 79.08 | 67.89 | 53.53 | 41.73 | 66.65 | |||||||||||||
2012 | 48.27 | 50.50 | 58.42 | 69.92 | 75.26 | 86.33 | 82.58 | 84.37 | 75.80 | 68.58 | 57.78 | 47.35 | 67.10 | |||||||||||||
2013 | 42.55 | 47.77 | 60.27 | 67.25 | 75.05 | 86.77 | 82.29 | 82.94 | 76.05 | 65.45 | 53.92 | 44.61 | 65.41 | |||||||||||||
2014 | 47.15 | 56.68 | 59.66 | 66.00 | 73.74 | 87.85 | 84.76 | 80.06 | 75.32 | 68.76 | 53.02 | 48.76 | 66.81 | |||||||||||||
2015 | 44.19 | 53.04 | 59.71 | 66.17 | 72.56 | 84.45 | 84.48 | 85.52 | 80.60 | 68.26 | 54.82 | 46.82 | 66.72 | |||||||||||||
2016 | 45.32 | 52.97 | 61.87 | 65.88 | 73.39 | 84.48 | 88.66 | 80.65 | 76.60 | 71.29 | 57.70 | 49.29 | 67.34 | |||||||||||||
2017 | 48.79 | 55.98 | 65.02 | 68.97 | 74.74 | 85.58 | 83.73 | 81.42 | 78.93 | 69.52 | 61.18 | 48.50 | 68.53 | |||||||||||||
2018 | 46.61 | 55.38 | 61.50 | 70.57 | 79.47 | 87.37 | 85.95 | 85.06 | 78.58 | 65.26 | 53.73 | 47.52 | 68.08 | |||||||||||||
2019 | 46.81 | 51.62 | 59.15 | 67.82 | 73.16 | 83.13 | 87.31 | 87.65 | 80.42 | 65.98 | 53.98 | 47.76 | 67.07 | |||||||||||||
2020 | 48.65 | 50.16 | 60.11 | 69.63 | 79.52 | 85.42 | 88.90 | 88.27 | 75.98 | 68.42 | 59.88 | 44.40 | 68.28 | |||||||||||||
2021 | 45.21 | 51.45 | 58.45 | 67.40 | 76.75 | a | 84.18 | 82.13 | 81.34 | 78.10 | 68.34 | 57.33 | 52.69 | 66.95 | ||||||||||||
2022 | 45.61 | 46.89 | 56.29 | 69.52 | 78.63 | 84.93 | 86.84 | 81.85 | 78.42 | 65.63 | 52.82 | 48.87 | 66.36 | |||||||||||||
2023 | 47.90 | 49.71 | 59.15 | 67.97 | 77.40 | 86.03 | 91.63 | 87.27 | 83.13 | 70.82 | 58.17 | 49.71 | 69.08 | |||||||||||||
2024 | 48.97 | 53.90 | 60.31 | 65.50 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.39 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.80 | 49.72 | 56.47 | 64.75 | 73.41 | 81.92 | 83.00 | 81.24 | 75.49 | 65.23 | 52.83 | 45.48 | 64.52 | |||||||||||||
S.D. | 3.03 | 3.21 | 3.09 | 2.97 | 2.57 | 2.77 | 2.51 | 2.56 | 2.56 | 2.45 | 2.97 | 2.73 | 1.68 | |||||||||||||
SKEW | -0.22 | -0.04 | -0.06 | -0.26 | 0.40 | 0.35 | 0.62 | 0.61 | 0.12 | 0.04 | -0.01 | -0.04 | 0.55 | |||||||||||||
MAX | 50.26 | 57.52 | 65.02 | 70.57 | 80.10 | 88.93 | 91.63 | 88.27 | 83.13 | 71.29 | 61.18 | 52.69 | 69.08 | |||||||||||||
MIN | 36.06 | 40.76 | 49.37 | 56.28 | 68.52 | 76.60 | 78.18 | 76.48 | 69.38 | 58.50 | 44.73 | 38.77 | 61.34 | |||||||||||||
YRS | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 85 | 86 | 84 |