YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.39 | h | ----- | z |
1952 | 44.45 | 49.62 | 52.43 | a | 64.23 | h | 69.81 | 70.57 | 84.83 | a | 82.27 | a | 81.93 | a | 71.77 | a | 47.70 | 48.60 | a | 64.00 | a | |||||
1953 | 52.27 | a | 52.32 | 54.71 | c | 59.07 | a | 64.80 | a | 66.90 | a | 80.52 | b | 79.30 | a | 77.38 | a | 65.37 | a | 56.23 | 51.24 | b | 63.34 | |||
1954 | 47.07 | c | 52.89 | 56.10 | b | 61.54 | b | 69.74 | 68.53 | 74.94 | 74.40 | a | 72.10 | a | 64.64 | c | 56.20 | 46.94 | 62.09 | |||||||
1955 | 45.03 | a | 47.71 | 50.55 | 55.23 | 65.34 | b | 72.93 | b | 73.83 | a | 81.43 | a | 75.00 | 62.70 | a | 52.96 | d | 47.97 | 60.89 | ||||||
1956 | 48.58 | 43.54 | a | 52.97 | b | 66.14 | a | 71.61 | 71.41 | a | 84.81 | d | 79.94 | 76.70 | 62.70 | a | 50.57 | b | 47.24 | b | 63.02 | |||||
1957 | 40.84 | 52.70 | a | 56.66 | b | 63.67 | 69.03 | 73.41 | a | 78.57 | a | 77.18 | c | 81.90 | 63.42 | 53.63 | 53.97 | a | 63.75 | |||||||
1958 | 50.42 | 58.50 | b | 57.13 | 62.31 | a | 74.68 | 75.53 | 88.96 | d | 86.67 | a | 76.07 | b | 68.93 | c | 55.00 | a | 52.73 | a | 67.24 | |||||
1959 | 50.53 | a | 51.81 | a | 57.93 | b | 63.17 | a | 66.07 | b | 72.31 | a | 84.23 | 82.17 | a | 71.20 | 63.90 | 53.55 | a | 47.39 | 63.69 | |||||
1960 | 43.68 | 50.45 | 55.06 | 60.83 | 63.61 | 76.87 | 86.17 | a | 77.37 | a | 75.20 | 64.30 | a | 53.83 | 47.48 | 62.90 | ||||||||||
1961 | 51.74 | 53.50 | 54.55 | 61.27 | 66.16 | 79.57 | 83.87 | 86.84 | 72.60 | 63.67 | a | 51.47 | 47.61 | 64.40 | ||||||||||||
1962 | 45.61 | 50.43 | 53.06 | 63.57 | 61.13 | 74.77 | 82.42 | 78.97 | 76.17 | 61.84 | 55.33 | 48.29 | 62.63 | |||||||||||||
1963 | 42.55 | 58.29 | 55.13 | 56.23 | 69.32 | 71.27 | 75.65 | 80.52 | 79.63 | 65.16 | 53.93 | 48.39 | 63.01 | |||||||||||||
1964 | 48.32 | 50.97 | 53.13 | 58.67 | 65.16 | 71.20 | 79.29 | 77.94 | 72.90 | 67.32 | 49.07 | 45.23 | 61.60 | |||||||||||||
1965 | 46.13 | 51.64 | 60.65 | 63.20 | 65.55 | 75.00 | 86.13 | a | 82.06 | 76.14 | a | 67.10 | 55.67 | 45.55 | 64.57 | |||||||||||
1966 | 46.45 | 49.96 | 55.32 | 64.10 | 70.68 | 76.10 | 80.13 | 83.23 | 77.70 | 65.13 | 54.77 | 50.65 | 64.52 | |||||||||||||
1967 | 50.48 | 54.04 | 53.13 | 56.63 | 69.65 | 78.80 | 85.35 | 91.10 | 82.30 | 64.48 | 54.80 | 47.23 | 65.67 | |||||||||||||
1968 | 46.97 | 58.93 | 58.42 | 59.27 | 66.87 | 75.10 | 82.45 | 76.84 | 73.67 | 63.03 | b | 53.73 | 45.10 | 63.36 | ||||||||||||
1969 | 40.65 | 48.11 | 58.94 | 60.37 | 71.94 | 76.17 | 79.35 | 79.42 | 75.17 | 61.40 | a | 53.20 | 48.77 | 62.79 | ||||||||||||
1970 | 47.29 | 55.64 | 56.87 | 57.00 | 68.74 | 78.30 | 83.35 | 82.23 | 71.43 | 62.58 | 54.87 | 46.06 | 63.70 | |||||||||||||
1971 | 45.77 | 48.00 | 52.00 | 60.00 | 68.58 | 69.23 | 80.94 | 83.48 | 72.73 | 61.35 | 51.30 | 45.39 | 61.57 | |||||||||||||
1972 | 45.26 | 51.90 | 58.76 | b | 56.77 | 71.13 | 73.63 | 85.32 | 85.90 | a | 72.59 | a | 64.26 | 55.03 | 43.55 | 63.67 | ||||||||||
1973 | 45.87 | 55.50 | 55.00 | 62.27 | 71.68 | 73.67 | 83.87 | 78.97 | 75.73 | 62.17 | a | 50.10 | 49.35 | 63.68 | ||||||||||||
1974 | 45.58 | 48.14 | 56.29 | 59.53 | 64.87 | 75.93 | 77.68 | 81.87 | 84.20 | 68.32 | 54.87 | 50.45 | 63.98 | |||||||||||||
1975 | 48.97 | 50.86 | 52.63 | a | 56.23 | 67.77 | a | 72.50 | 80.55 | 76.81 | 81.80 | 59.68 | 51.50 | 49.26 | 62.38 | |||||||||||
1976 | 48.39 | 49.07 | 52.87 | 58.83 | 68.48 | 70.66 | a | 80.10 | 77.65 | 75.93 | b | 66.42 | 55.40 | 46.00 | 62.48 | |||||||||||
1977 | 48.35 | 54.81 | a | 53.97 | 64.90 | 61.90 | 76.50 | 80.23 | 86.10 | 69.90 | 64.65 | 52.07 | 50.06 | 63.62 | ||||||||||||
1978 | 48.94 | 53.14 | 60.16 | 59.57 | 66.37 | a | 77.90 | 82.07 | a | 79.97 | 69.37 | 68.13 | 50.20 | 43.43 | a | 63.27 | ||||||||||
1979 | 38.48 | 47.54 | 58.00 | 58.53 | 66.97 | ----- | z | 81.53 | a | 77.19 | 74.97 | 66.90 | 51.50 | 51.68 | 61.21 | a | ||||||||||
1980 | 44.55 | 52.48 | 53.06 | 62.17 | 63.48 | 66.77 | 77.71 | 76.00 | 74.47 | 66.68 | 54.77 | 49.61 | 61.81 | |||||||||||||
1981 | 48.17 | a | 50.43 | 57.29 | 59.93 | 64.81 | 69.20 | 76.90 | 82.32 | 78.05 | j | 61.56 | o | 54.03 | 49.29 | g | 62.56 | c | ||||||||
1982 | 30.43 | x | 51.83 | p | 53.94 | 58.50 | f | 68.09 | i | 73.30 | g | 76.48 | b | 78.80 | a | 72.03 | a | 63.43 | a | 50.33 | 46.94 | 63.14 | e | |||
1983 | 48.97 | 52.54 | b | 56.10 | 60.20 | 68.26 | 67.80 | 72.19 | ----- | z | 71.10 | 62.58 | 54.21 | a | 41.81 | 59.61 | a | |||||||||
1984 | 49.77 | 53.39 | a | 57.29 | 56.60 | 62.97 | 67.97 | 78.84 | 80.00 | 73.10 | 58.39 | 52.17 | 44.26 | 61.23 | ||||||||||||
1985 | 43.73 | a | 47.64 | 53.48 | 62.43 | 67.77 | 75.10 | 85.74 | 80.00 | 71.17 | 64.10 | 45.13 | 42.29 | 61.55 | ||||||||||||
1986 | 51.39 | 51.96 | 60.26 | 58.17 | 65.19 | 76.17 | 74.19 | 84.10 | 68.80 | 64.48 | 52.93 | 46.48 | 62.84 | |||||||||||||
1987 | 45.87 | 52.19 | a | 56.50 | a | 63.83 | 69.32 | 75.93 | 75.55 | 79.97 | 76.70 | 71.90 | 53.93 | 43.17 | b | 63.74 | ||||||||||
1988 | 45.16 | 50.66 | 54.94 | 60.00 | 63.55 | 70.63 | 79.77 | 79.52 | 76.27 | 66.45 | 52.50 | 45.23 | 62.06 | |||||||||||||
1989 | 46.58 | 42.86 | 52.74 | 64.50 | 65.84 | 74.40 | 74.39 | 75.06 | 77.29 | b | 62.29 | 53.62 | d | 46.41 | b | 61.33 | ||||||||||
1990 | ----- | z | ----- | z | 57.93 | a | 64.29 | b | 64.73 | a | 69.57 | b | 81.81 | 78.93 | a | 77.45 | a | 61.29 | 53.66 | a | 39.46 | c | 64.91 | b | ||
1991 | 46.35 | 55.64 | 52.97 | 57.86 | b | 61.00 | 66.90 | a | 81.03 | 80.67 | a | ----- | z | 67.94 | 54.43 | 46.23 | a | 61.00 | a | |||||||
1992 | 50.21 | b | 55.72 | 60.87 | 62.97 | 72.60 | a | 78.57 | 80.26 | 83.30 | a | 74.10 | 64.97 | 51.93 | a | 44.84 | 65.03 | |||||||||
1993 | 42.13 | a | 46.81 | a | 56.32 | 57.93 | a | 69.57 | a | 70.03 | 71.32 | 77.93 | a | 78.77 | 67.70 | a | 46.38 | a | 43.10 | b | 60.67 | |||||
1994 | 48.71 | 48.67 | a | 59.26 | 61.39 | b | 68.35 | 71.53 | 82.35 | 79.71 | 77.80 | 62.65 | 47.17 | 48.36 | c | 63.00 | ||||||||||
1995 | 49.52 | 54.14 | 56.33 | a | 59.23 | 68.13 | 71.17 | 81.03 | 77.50 | a | 76.07 | 62.06 | 57.30 | 48.42 | 63.41 | |||||||||||
1996 | 47.16 | 50.31 | 56.10 | a | 60.97 | 62.23 | 72.70 | 85.03 | a | 81.66 | b | 72.08 | d | 60.85 | e | 52.28 | e | 48.26 | 62.47 | |||||||
1997 | 47.23 | a | 50.07 | a | 54.10 | 59.52 | a | 73.50 | a | 73.97 | 80.03 | a | 83.97 | 76.70 | c | 59.77 | 55.87 | 46.55 | 63.44 | |||||||
1998 | 50.30 | a | 52.56 | a | 56.26 | 61.23 | 63.32 | 73.13 | 82.81 | 81.65 | 78.87 | 62.68 | 52.90 | 45.87 | 63.46 | |||||||||||
1999 | 47.00 | 49.79 | 52.67 | a | 60.33 | 64.29 | 70.40 | 78.26 | 79.68 | 79.03 | a | 67.45 | 56.20 | 48.10 | 62.77 | |||||||||||
2000 | 46.70 | a | 51.45 | 53.52 | 63.23 | 66.16 | 76.53 | 78.71 | 79.39 | 74.60 | 63.55 | 49.87 | 46.84 | 62.55 | ||||||||||||
2001 | 47.97 | 50.86 | 56.07 | a | 58.36 | b | 70.23 | 70.80 | 77.73 | a | 80.77 | 76.97 | a | 64.16 | 54.83 | 47.35 | 63.01 | |||||||||
2002 | 46.33 | a | 52.70 | a | 52.03 | 61.93 | 64.81 | 75.03 | 83.03 | a | 82.45 | 78.00 | b | 63.90 | 55.63 | 49.67 | a | 63.79 | ||||||||
2003 | 52.57 | a | 52.68 | 55.45 | 57.77 | 66.23 | a | 78.83 | a | 85.26 | 83.06 | 78.14 | a | 67.31 | b | 49.67 | 49.06 | 64.67 | ||||||||
2004 | 45.32 | 51.97 | 60.55 | 67.00 | a | 69.52 | 75.66 | a | 84.55 | 82.52 | 71.57 | 65.13 | 51.57 | 49.35 | 64.56 | |||||||||||
2005 | 49.41 | b | 52.93 | a | 61.32 | 60.93 | 70.93 | a | 72.80 | 84.10 | a | 86.97 | 77.17 | 65.87 | 51.67 | 46.81 | 65.08 | |||||||||
2006 | 50.61 | 52.89 | 56.77 | 64.97 | ----- | z | 76.50 | 86.30 | a | 84.79 | b | 80.67 | 66.58 | 54.37 | 48.69 | b | 65.74 | a | ||||||||
2007 | 46.47 | a | 53.64 | 62.38 | b | 63.50 | 71.21 | b | 75.07 | a | 85.39 | 82.83 | a | 76.80 | 59.87 | a | 50.21 | b | 45.74 | 64.43 | ||||||
2008 | 42.00 | a | 50.54 | c | 51.63 | a | 56.53 | 66.17 | a | 70.63 | 81.30 | a | 79.32 | 75.07 | a | 61.29 | 54.28 | a | 43.47 | a | 61.02 | |||||
2009 | 44.74 | 49.52 | a | 51.32 | 59.10 | 67.87 | a | 72.60 | 85.29 | 80.26 | 74.53 | 61.16 | 53.17 | 41.90 | 61.79 | |||||||||||
2010 | 51.10 | 54.00 | 56.47 | a | 58.66 | a | 62.65 | 69.48 | a | 79.42 | 78.65 | 72.13 | 62.19 | 50.93 | 49.29 | 62.08 | ||||||||||
2011 | 46.71 | 46.82 | 52.81 | 54.60 | 60.87 | 69.33 | 75.71 | ----- | z | 78.13 | 78.00 | g | 50.70 | 42.90 | 57.86 | b | ||||||||||
2012 | 47.06 | 49.90 | 51.42 | 60.93 | 65.77 | 70.03 | 78.57 | a | 81.97 | 77.83 | 65.16 | 53.90 | 46.74 | 62.44 | ||||||||||||
2013 | 40.06 | 48.63 | i | 55.32 | 62.07 | 68.48 | 74.70 | 81.94 | 81.32 | 73.53 | 61.13 | 50.53 | 39.32 | 62.58 | a | |||||||||||
2014 | 45.29 | 46.39 | 57.35 | 60.67 | 70.16 | 72.77 | 82.74 | 83.84 | 78.53 | 67.71 | 51.57 | 49.13 | 63.85 | |||||||||||||
2015 | 48.35 | 55.21 | 61.55 | 60.73 | 67.77 | 80.67 | 84.65 | 82.03 | 72.77 | 67.77 | 51.43 | 47.45 | 65.03 | |||||||||||||
2016 | 47.65 | 54.83 | 56.00 | 66.63 | 68.87 | 75.20 | 77.35 | 83.03 | 72.90 | 60.90 | 57.17 | 41.74 | 63.52 | |||||||||||||
2017 | 41.48 | 48.46 | 53.84 | 58.00 | 68.10 | 73.50 | 81.42 | 84.48 | 75.97 | 62.68 | 53.50 | 44.97 | 62.20 | |||||||||||||
2018 | 50.29 | 48.54 | 53.23 | 60.70 | 69.84 | 73.90 | 84.29 | 81.68 | 73.77 | 65.94 | 53.73 | 48.06 | 63.66 | |||||||||||||
2019 | 47.87 | 42.82 | 54.94 | 60.20 | 69.23 | 74.60 | 78.55 | ----- | z | 71.40 | 59.61 | 51.80 | 46.35 | 59.76 | a | |||||||||||
2020 | 49.32 | 50.41 | 53.74 | 62.53 | 67.74 | 71.13 | 81.26 | 82.87 | 75.40 | 64.23 | 51.17 | 48.06 | 63.16 | |||||||||||||
2021 | 49.03 | 47.96 | 54.06 | 65.87 | 68.13 | 79.59 | c | 83.84 | 83.32 | 75.33 | 60.39 | 54.67 | 45.00 | 63.93 | ||||||||||||
2022 | 46.90 | 49.21 | 55.77 | 55.37 | 61.90 | 71.63 | 83.06 | 85.77 | 79.83 | 69.97 | 47.70 | 45.06 | 62.68 | |||||||||||||
2023 | 48.71 | 46.96 | 50.26 | 57.03 | 72.26 | 76.83 | 85.00 | 84.42 | 73.70 | 63.35 | 51.03 | 49.26 | 63.24 | |||||||||||||
2024 | 46.81 | 51.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.90 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.99 | 51.14 | 55.54 | 60.57 | 67.31 | 73.35 | 81.00 | 81.22 | 75.56 | 64.27 | 52.71 | 46.81 | 63.17 | |||||||||||||
S.D. | 2.98 | 3.31 | 2.83 | 2.92 | 3.21 | 3.36 | 3.75 | 3.12 | 3.29 | 2.90 | 2.53 | 2.86 | 1.24 | |||||||||||||
SKEW | -0.59 | -0.13 | 0.45 | 0.12 | -0.09 | 0.02 | -0.45 | 0.35 | 0.29 | 0.41 | -0.68 | -0.31 | 0.40 | |||||||||||||
MAX | 52.57 | 58.93 | 62.38 | 67.00 | 74.68 | 80.67 | 88.96 | 91.10 | 84.20 | 71.90 | 57.30 | 53.97 | 67.24 | |||||||||||||
MIN | 38.48 | 42.82 | 50.26 | 54.60 | 60.87 | 66.77 | 71.32 | 74.40 | 68.80 | 58.39 | 45.13 | 39.32 | 60.67 | |||||||||||||
YRS | 71 | 70 | 72 | 70 | 70 | 70 | 72 | 69 | 70 | 70 | 72 | 71 | 61 |