YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.29 | m | 62.65 | 50.83 | 48.42 | 53.97 | i | |||
1956 | 48.06 | 42.59 | 51.77 | 60.13 | 66.39 | 68.83 | 81.13 | 78.10 | 76.43 | 60.97 | 51.77 | 47.65 | 61.15 | |||||||||||||
1957 | 39.45 | 49.89 | 52.48 | 60.93 | 67.19 | 72.80 | 78.03 | 77.23 | 78.63 | 61.58 | 53.93 | 50.90 | 61.92 | |||||||||||||
1958 | 49.97 | 56.36 | 54.13 | 58.67 | 72.19 | 71.13 | 84.68 | 85.58 | 74.43 | 68.19 | 53.69 | a | 53.26 | 65.19 | ||||||||||||
1959 | 50.39 | 49.25 | 54.68 | 62.97 | 62.55 | 71.87 | 82.97 | 81.03 | 69.57 | 63.68 | 55.33 | 47.94 | 62.68 | |||||||||||||
1960 | 46.26 | 50.45 | 55.42 | 59.43 | 62.65 | 76.07 | 84.77 | 78.06 | 74.60 | 64.61 | 54.37 | 47.68 | 62.86 | |||||||||||||
1961 | 51.90 | 53.36 | 53.06 | 60.30 | 63.55 | 76.43 | 81.61 | 84.55 | 70.83 | 62.58 | 51.10 | 47.23 | 63.04 | |||||||||||||
1962 | 46.32 | 50.79 | 51.42 | 62.60 | 60.00 | 73.60 | 81.23 | 78.06 | 75.77 | 61.97 | 55.43 | 50.06 | 62.27 | |||||||||||||
1963 | 43.84 | 58.57 | 54.84 | 54.47 | 66.16 | 69.63 | 73.68 | 78.55 | 76.90 | 63.90 | 54.20 | ----- | z | 63.16 | a | |||||||||||
1964 | 47.84 | 51.41 | 51.45 | 56.13 | 62.94 | 68.40 | 77.90 | 76.74 | 72.03 | 65.55 | 49.20 | 48.10 | 60.64 | |||||||||||||
1965 | 46.39 | 52.39 | 58.87 | 60.67 | 63.65 | 71.87 | 81.94 | 79.74 | 74.27 | 66.77 | 56.63 | 46.58 | 63.31 | |||||||||||||
1966 | 46.77 | 50.64 | 55.32 | 63.87 | 68.77 | 74.27 | 78.03 | 81.10 | 75.73 | 64.23 | 54.03 | 50.77 | 63.63 | |||||||||||||
1967 | 49.13 | 51.89 | 52.32 | 55.23 | 68.00 | 75.17 | 83.65 | 88.48 | 80.67 | 63.71 | 55.60 | 46.29 | 64.18 | |||||||||||||
1968 | 47.90 | 57.17 | 58.13 | 59.10 | 64.90 | 73.03 | 80.77 | 75.68 | 73.20 | 62.55 | 54.70 | 47.29 | 62.87 | |||||||||||||
1969 | 41.97 | 47.29 | 58.26 | 59.62 | a | 69.10 | 70.90 | 77.68 | 78.58 | 74.13 | 61.42 | 53.90 | 50.50 | a | 61.94 | |||||||||||
1970 | 48.97 | 55.57 | 55.48 | 55.40 | 66.32 | 75.83 | 83.32 | 82.00 | 70.47 | 62.81 | 54.90 | 47.23 | 63.19 | |||||||||||||
1971 | 46.23 | a | 50.04 | 50.77 | 57.80 | 64.87 | 67.90 | 80.45 | 82.81 | 72.43 | 60.13 | 51.50 | 45.74 | 60.89 | ||||||||||||
1972 | 45.16 | 51.10 | 56.81 | 56.40 | 67.94 | 72.53 | 84.55 | 83.81 | 72.60 | 63.06 | 54.70 | 44.71 | 62.78 | |||||||||||||
1973 | 46.23 | 54.00 | 52.06 | 61.70 | 69.84 | 73.43 | 82.81 | 79.52 | 74.43 | 63.16 | 49.93 | 50.84 | 63.16 | |||||||||||||
1974 | 44.84 | 48.11 | 52.44 | f | 58.41 | a | 63.65 | 73.00 | 77.94 | 82.00 | 82.63 | 67.61 | 54.33 | 49.81 | 63.85 | a | ||||||||||
1975 | 49.42 | 49.46 | 52.00 | 54.63 | 65.87 | 70.67 | 78.87 | 75.94 | 77.77 | 60.77 | 51.80 | 48.97 | 61.35 | |||||||||||||
1976 | 48.77 | 50.10 | 52.65 | 56.53 | 66.71 | 68.77 | 79.42 | 74.94 | 74.90 | 66.23 | 55.17 | 46.71 | 61.74 | |||||||||||||
1977 | 47.84 | 55.54 | 52.58 | 62.50 | 60.58 | 74.27 | 78.39 | 84.55 | 69.63 | 62.68 | 52.31 | a | 50.73 | a | 62.63 | |||||||||||
1978 | 49.90 | 52.79 | 58.81 | 57.23 | 63.32 | 73.93 | 78.06 | 77.48 | 68.87 | 66.16 | 49.30 | 43.77 | 61.64 | |||||||||||||
1979 | 39.32 | 47.21 | 57.68 | 57.40 | 67.10 | 74.50 | 81.68 | 76.90 | 76.07 | 66.68 | 52.23 | 51.45 | 62.35 | |||||||||||||
1980 | 45.06 | 52.79 | 53.13 | 61.33 | 63.19 | 66.27 | 79.65 | 78.03 | 74.57 | 67.39 | 55.87 | 51.81 | 62.42 | |||||||||||||
1981 | 49.35 | 52.75 | 56.35 | 59.10 | 64.03 | 70.43 | 78.10 | 83.58 | 76.10 | 62.06 | 55.34 | a | 50.00 | 63.10 | ||||||||||||
1982 | 44.16 | 50.68 | 53.94 | 57.73 | 67.26 | 72.33 | 76.13 | 78.19 | 72.33 | 63.65 | 51.31 | a | 46.23 | a | 61.16 | |||||||||||
1983 | 50.65 | 52.82 | 55.74 | 60.03 | 67.52 | 68.77 | 72.29 | 77.84 | 72.00 | 63.71 | 54.97 | 43.53 | a | 61.66 | ||||||||||||
1984 | 49.32 | 52.55 | 57.26 | 55.70 | 63.81 | 68.13 | 81.00 | 80.65 | 73.90 | 59.19 | 51.70 | 44.23 | 61.45 | |||||||||||||
1985 | 41.87 | 48.11 | 51.55 | 61.60 | 66.58 | 74.93 | 85.68 | 78.87 | 68.73 | 63.03 | 44.93 | 41.94 | 60.65 | |||||||||||||
1986 | 51.19 | 51.57 | 60.23 | 57.80 | 65.61 | 76.10 | 75.55 | 85.58 | 69.23 | 65.77 | 53.53 | 47.32 | 63.29 | |||||||||||||
1987 | 48.32 | 54.11 | 57.45 | 66.20 | 69.97 | a | 76.70 | 75.68 | 81.55 | 75.93 | 71.58 | 54.80 | 45.77 | 64.84 | ||||||||||||
1988 | 46.97 | a | 53.00 | 57.19 | 60.53 | 63.61 | 70.93 | 81.81 | 81.45 | 76.90 | 67.29 | 53.13 | 47.74 | 63.38 | ||||||||||||
1989 | 47.52 | 44.46 | 54.16 | 65.37 | 65.06 | 73.90 | 74.74 | 75.61 | 77.50 | 63.55 | 54.87 | 46.42 | 61.93 | |||||||||||||
1990 | 48.81 | 48.00 | 58.13 | 63.17 | 65.00 | 70.37 | 82.77 | 79.35 | 76.00 | a | 63.29 | 52.93 | 40.65 | 62.37 | ||||||||||||
1991 | 46.16 | 57.18 | 53.42 | 57.80 | 61.16 | 68.23 | 82.03 | 81.55 | 79.93 | 67.35 | 54.93 | 47.52 | 63.11 | |||||||||||||
1992 | 51.29 | 57.72 | 61.06 | 63.87 | 73.77 | 77.40 | 80.48 | 83.77 | 75.50 | 65.55 | 53.50 | 46.03 | a | 65.83 | ||||||||||||
1993 | 43.52 | 48.89 | 56.74 | 58.03 | 67.81 | 68.90 | 72.35 | 77.45 | 77.67 | 68.23 | 48.93 | 46.29 | 61.23 | |||||||||||||
1994 | 50.03 | b | 49.07 | 58.90 | 61.03 | 68.03 | 70.28 | a | 82.71 | g | 81.71 | g | 79.14 | a | 64.61 | 47.87 | 48.00 | 59.70 | b | |||||||
1995 | 51.45 | 57.43 | 57.45 | 60.00 | 67.52 | 71.38 | a | 80.45 | 78.77 | 77.07 | a | 63.52 | 56.93 | 49.84 | 64.32 | |||||||||||
1996 | 48.19 | 53.07 | 58.97 | 61.47 | 63.42 | 72.73 | 84.71 | 83.71 | 73.57 | 62.26 | 54.27 | 49.45 | 63.82 | |||||||||||||
1997 | 48.47 | a | 51.14 | 56.13 | 59.53 | 72.42 | 71.80 | 80.26 | 82.61 | 75.27 | 61.48 | 56.83 | 47.13 | 63.59 | ||||||||||||
1998 | 51.06 | 54.25 | 56.24 | b | 60.00 | 61.06 | 71.90 | 82.81 | 83.45 | 79.70 | 63.74 | 53.33 | 45.48 | 63.59 | ||||||||||||
1999 | 48.58 | 50.32 | 53.13 | 59.33 | 63.03 | 70.47 | 78.94 | 78.35 | 78.90 | 67.16 | 57.70 | 46.13 | 62.67 | |||||||||||||
2000 | 46.10 | 51.24 | 53.94 | 63.23 | 65.45 | 76.10 | 79.10 | 81.03 | 75.40 | 64.48 | 49.70 | 48.03 | 62.82 | |||||||||||||
2001 | 49.29 | 50.50 | 56.29 | 57.57 | 71.10 | 70.67 | 80.68 | 81.23 | 77.77 | 64.48 | 55.90 | 48.39 | 63.65 | |||||||||||||
2002 | 47.81 | 53.32 | 52.84 | 60.30 | 63.77 | 73.00 | 82.52 | 81.52 | 76.83 | 63.30 | a | 55.87 | 50.93 | a | 63.50 | |||||||||||
2003 | 52.81 | 52.00 | 57.16 | 57.33 | 66.61 | 76.87 | 85.65 | 82.55 | 78.83 | 67.48 | 50.24 | a | 48.77 | 64.69 | ||||||||||||
2004 | 48.68 | 51.55 | 60.52 | 63.90 | a | 66.10 | 74.30 | 84.29 | 82.06 | 70.53 | 65.53 | p | 52.73 | d | 48.45 | 63.92 | a | |||||||||
2005 | 50.67 | a | 54.00 | 60.26 | 59.63 | 66.55 | 69.03 | 82.13 | 84.03 | 74.80 | 64.67 | a | 50.97 | 47.74 | 63.71 | |||||||||||
2006 | 50.19 | 52.89 | 53.58 | 61.97 | 68.19 | d | 72.43 | 82.26 | 79.39 | 76.40 | 63.81 | 52.30 | c | 48.07 | a | 63.46 | ||||||||||
2007 | 44.35 | 50.46 | 56.27 | a | 58.90 | 65.17 | b | 70.97 | a | 80.06 | 78.35 | 73.27 | 59.07 | c | 51.27 | 45.55 | 61.14 | |||||||||
2008 | 42.90 | a | 49.62 | 50.68 | 55.50 | 64.16 | 67.97 | 80.52 | 78.26 | 73.59 | c | 60.97 | 54.79 | a | 44.93 | a | 60.32 | |||||||||
2009 | 44.65 | 50.25 | 50.26 | 57.67 | 67.40 | a | 71.54 | d | 83.13 | 79.06 | 74.27 | 60.29 | 52.03 | a | 41.97 | 61.04 | ||||||||||
2010 | 51.87 | 53.25 | 54.07 | c | 56.55 | a | 60.06 | 66.59 | a | 79.42 | 78.93 | a | 70.83 | 62.23 | 51.00 | a | 47.39 | c | 61.02 | |||||||
2011 | 47.77 | 46.70 | a | 51.52 | 53.97 | 57.11 | c | 66.83 | 74.67 | a | 77.77 | 76.50 | 61.39 | 51.07 | a | 44.10 | a | 59.12 | ||||||||
2012 | 47.90 | a | 49.90 | 50.03 | a | 58.27 | 63.45 | 67.74 | c | 76.29 | 81.81 | 75.87 | 64.17 | a | 53.93 | 46.06 | 61.28 | |||||||||
2013 | 42.00 | 47.93 | 56.00 | 60.67 | 67.67 | a | 73.14 | a | 83.90 | 78.77 | 69.26 | c | 60.42 | 51.93 | 41.29 | 61.08 | ||||||||||
2014 | 46.42 | 48.89 | 56.87 | 60.17 | 68.16 | 70.93 | 82.16 | 82.29 | 76.80 | 67.10 | 53.33 | 51.03 | 63.68 | |||||||||||||
2015 | 49.77 | 55.96 | 60.90 | 59.30 | 66.84 | 80.40 | 84.16 | 82.65 | 73.50 | 68.65 | 51.13 | 47.61 | 65.07 | |||||||||||||
2016 | 49.10 | 54.24 | 55.00 | 65.07 | 66.52 | 74.53 | 78.00 | 84.16 | 74.27 | 60.35 | 57.27 | 43.35 | 63.49 | |||||||||||||
2017 | 43.45 | 49.29 | 52.84 | 57.10 | 66.13 | 71.47 | 80.68 | 83.35 | 74.77 | 61.80 | a | 52.13 | 43.71 | 61.39 | ||||||||||||
2018 | 47.61 | 48.43 | 52.06 | 58.97 | 65.81 | 71.70 | 83.06 | 81.16 | 73.63 | 65.23 | 52.53 | 48.00 | 62.35 | |||||||||||||
2019 | 48.45 | b | 43.04 | b | 53.74 | 60.13 | 67.29 | 74.17 | 77.94 | 80.35 | 70.97 | 59.77 | 53.13 | 48.32 | 61.44 | |||||||||||
2020 | 49.26 | 50.76 | 54.06 | 61.93 | 67.26 | 71.00 | 79.52 | 81.84 | 75.90 | 66.55 | 52.97 | 49.29 | 63.36 | |||||||||||||
2021 | 49.84 | 47.96 | 54.35 | 65.10 | 67.97 | 79.40 | 84.10 | 82.71 | 76.57 | 62.13 | 55.73 | 45.97 | 64.32 | |||||||||||||
2022 | 48.87 | 51.46 | 56.87 | 56.13 | 62.65 | 72.00 | 84.23 | 86.13 | 78.00 | 69.35 | 49.93 | 45.77 | 63.45 | |||||||||||||
2023 | 48.71 | 48.79 | 50.00 | 56.00 | 71.16 | 75.77 | 85.03 | 84.84 | 74.20 | 63.94 | 52.87 | 51.39 | 63.56 | |||||||||||||
2024 | 47.87 | 53.76 | 55.03 | 61.17 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.22 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 47.55 | 51.33 | 55.05 | 59.52 | 65.83 | 72.20 | 80.48 | 80.69 | 74.85 | 63.97 | 53.09 | 47.36 | 62.64 | |||||||||||||
S.D. | 2.91 | 3.25 | 2.88 | 2.86 | 3.09 | 3.05 | 3.24 | 2.92 | 3.04 | 2.66 | 2.42 | 2.66 | 1.33 | |||||||||||||
SKEW | -0.80 | -0.13 | 0.21 | 0.25 | -0.02 | 0.27 | -0.57 | 0.21 | -0.09 | 0.42 | -0.59 | -0.30 | -0.04 | |||||||||||||
MAX | 52.81 | 58.57 | 61.06 | 66.20 | 73.77 | 80.40 | 85.68 | 88.48 | 82.63 | 71.58 | 57.70 | 53.26 | 65.83 | |||||||||||||
MIN | 39.32 | 42.59 | 50.00 | 53.97 | 57.11 | 66.27 | 72.29 | 74.94 | 68.73 | 59.07 | 44.93 | 40.65 | 59.12 | |||||||||||||
YRS | 69 | 69 | 68 | 68 | 68 | 68 | 67 | 67 | 68 | 68 | 69 | 68 | 64 |