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 | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | 57.80 | t | 65.23 | 71.14 | a | 81.20 | a | 83.13 | 75.30 | 61.20 | a | 54.70 | 53.32 | 68.15 | d | |||||
1951 | 46.19 | 50.07 | 50.10 | 66.34 | a | 66.23 | 77.83 | 81.26 | 80.16 | 78.63 | 61.48 | 54.53 | 44.16 | 63.08 | ||||||||||||
1952 | 44.81 | 50.86 | 50.00 | 63.07 | 67.19 | 67.10 | 82.19 | 79.16 | 78.43 | 70.26 | 49.30 | 49.16 | 62.63 | |||||||||||||
1953 | 52.97 | 51.21 | 52.55 | 58.17 | a | 60.74 | 65.03 | 79.74 | 76.87 | 75.80 | 64.94 | 57.83 | a | 48.68 | 62.04 | |||||||||||
1954 | 48.16 | 54.56 | a | 53.52 | 60.73 | 66.94 | 65.80 | 74.47 | a | 72.06 | 70.69 | a | 62.77 | 58.03 | 47.94 | 61.31 | ||||||||||
1955 | 45.19 | 47.29 | 49.23 | 51.80 | 63.58 | 71.10 | 72.26 | 78.74 | 72.83 | 62.42 | 50.77 | 49.03 | 59.52 | |||||||||||||
1956 | 48.45 | 43.41 | 52.52 | 60.50 | 66.84 | 68.33 | 79.87 | 77.19 | 75.76 | a | 61.29 | 52.17 | a | 47.81 | 61.18 | |||||||||||
1957 | 40.00 | 49.86 | 53.61 | 61.07 | 66.77 | 72.43 | 77.03 | a | 76.47 | a | 78.80 | 61.00 | 53.57 | 49.58 | 61.68 | |||||||||||
1958 | 49.94 | 56.36 | 54.29 | 58.23 | 72.81 | 71.10 | 83.84 | 84.77 | 74.37 | 68.58 | 53.57 | 53.74 | 65.13 | |||||||||||||
1959 | 50.00 | 49.14 | 55.06 | 62.33 | 61.90 | 71.23 | 82.03 | 80.00 | 69.43 | 63.94 | 55.20 | 47.61 | 62.32 | |||||||||||||
1960 | 45.29 | 50.86 | 56.52 | 59.77 | 61.87 | 75.13 | 83.39 | 76.90 | 74.47 | 64.57 | a | 53.57 | 46.06 | 62.37 | ||||||||||||
1961 | 51.74 | 53.93 | 53.26 | 59.90 | 63.45 | 75.90 | 80.52 | 83.06 | 70.10 | 62.87 | 51.20 | 47.23 | 62.76 | |||||||||||||
1962 | 46.00 | 50.89 | 51.52 | 62.63 | 58.87 | 72.17 | 79.39 | 76.52 | 75.10 | 61.42 | 54.30 | 49.20 | a | 61.50 | ||||||||||||
1963 | 42.19 | 57.79 | 53.94 | 53.67 | 65.87 | 68.50 | 72.42 | 77.45 | 76.87 | 63.16 | 53.20 | 48.94 | 61.17 | |||||||||||||
1964 | 47.71 | 51.10 | 51.39 | 55.80 | 62.19 | 67.70 | 76.68 | 75.61 | 71.77 | 65.55 | 48.33 | 46.58 | 60.03 | |||||||||||||
1965 | 45.48 | 51.93 | 58.06 | 60.17 | 62.77 | 70.20 | 80.29 | 78.13 | 73.17 | 66.97 | 55.77 | 45.74 | 62.39 | |||||||||||||
1966 | 46.10 | 49.21 | 54.23 | 63.33 | 67.71 | 72.80 | 76.48 | 79.87 | 76.07 | 64.35 | 52.33 | 50.23 | 62.73 | |||||||||||||
1967 | 48.55 | 52.93 | 52.65 | 54.73 | 67.06 | 73.93 | 82.39 | 87.87 | 81.50 | 63.87 | 54.93 | 45.90 | 63.86 | |||||||||||||
1968 | 48.52 | 57.48 | 58.06 | 58.40 | 64.97 | 72.33 | 79.77 | 75.16 | 72.50 | 62.35 | 53.79 | a | 46.13 | 62.46 | ||||||||||||
1969 | 41.77 | 47.39 | 58.45 | 58.93 | 68.87 | 70.93 | 75.97 | 77.61 | 74.53 | 61.48 | 52.63 | 49.42 | 61.50 | |||||||||||||
1970 | 47.87 | 55.43 | 55.68 | 54.87 | 65.81 | 75.50 | 82.16 | 81.52 | 71.20 | 63.00 | 53.43 | 47.06 | 62.79 | |||||||||||||
1971 | 46.03 | 50.25 | 50.58 | 57.37 | 65.39 | 67.70 | 78.94 | 81.94 | 72.27 | 60.16 | 50.87 | 44.74 | 60.52 | |||||||||||||
1972 | 45.19 | 52.38 | 57.29 | 56.13 | 67.81 | 71.67 | 83.19 | 82.65 | 72.40 | 62.84 | 53.67 | 44.23 | 62.45 | |||||||||||||
1973 | 45.94 | 54.43 | 52.23 | a | 60.87 | 69.29 | 72.70 | 82.10 | 78.58 | 74.70 | 63.55 | 49.20 | 50.55 | 62.84 | ||||||||||||
1974 | 45.23 | 48.57 | 54.61 | 58.07 | 63.13 | 72.90 | 78.29 | 81.74 | 83.00 | 68.48 | 54.80 | 49.16 | 63.17 | |||||||||||||
1975 | 49.16 | 49.32 | 50.97 | 53.50 | 64.67 | a | 70.53 | 78.58 | 74.74 | 78.50 | 61.58 | 51.50 | 48.71 | 60.98 | ||||||||||||
1976 | 49.23 | 51.28 | 52.61 | 56.30 | 66.74 | 68.47 | 78.81 | 74.68 | 74.97 | 66.74 | 54.83 | 46.13 | 61.73 | |||||||||||||
1977 | 49.45 | 55.71 | 52.06 | 62.40 | 60.19 | 73.37 | 78.23 | 84.77 | 69.90 | 63.32 | 52.43 | 49.48 | 62.61 | |||||||||||||
1978 | 48.48 | 53.00 | a | 59.26 | 57.00 | 62.77 | 72.97 | 77.58 | 77.52 | 68.87 | 66.87 | 49.63 | 43.13 | 61.42 | ||||||||||||
1979 | 38.26 | 48.15 | a | 58.30 | a | 57.59 | a | 67.19 | 75.17 | a | 81.90 | 77.35 | 76.30 | 66.97 | 50.47 | 51.19 | 62.40 | |||||||||
1980 | 45.48 | 53.17 | 53.77 | a | 62.00 | a | 63.23 | 65.83 | 78.19 | 77.90 | 74.53 | 68.45 | 55.93 | 51.61 | 62.51 | |||||||||||
1981 | 48.35 | 52.86 | 56.58 | 59.17 | 63.90 | 70.53 | 78.30 | a | 83.84 | 77.00 | 62.42 | 55.23 | 48.87 | 63.09 | ||||||||||||
1982 | 43.39 | 50.96 | 54.55 | 57.77 | 67.00 | 72.83 | 76.48 | 79.84 | 72.63 | 64.00 | 51.03 | 46.45 | 61.41 | |||||||||||||
1983 | 51.74 | 53.68 | 55.83 | a | 59.67 | 67.73 | a | 67.97 | a | 72.00 | 77.57 | a | 71.73 | 64.50 | a | 54.07 | 42.68 | 61.60 | ||||||||
1984 | 49.23 | 52.76 | 57.58 | 55.93 | 64.77 | a | 69.55 | a | 80.03 | 80.29 | c | 74.77 | 59.72 | b | 51.11 | b | 43.61 | 61.61 | ||||||||
1985 | 42.80 | a | 48.04 | a | 52.13 | a | 62.66 | a | 67.58 | 76.03 | a | 87.58 | 81.16 | 69.93 | 64.26 | 43.48 | a | 42.17 | a | 61.49 | ||||||
1986 | 50.94 | 51.36 | 61.58 | 59.17 | 67.33 | a | 77.07 | 76.35 | 87.03 | 70.10 | 66.87 | 53.17 | a | 45.45 | 63.87 | |||||||||||
1987 | 46.90 | 53.43 | 57.06 | 67.83 | 70.57 | a | 77.83 | 75.10 | 81.65 | 76.40 | 73.06 | 52.43 | 43.45 | 64.64 | ||||||||||||
1988 | 45.29 | 53.10 | 56.71 | 60.20 | 63.77 | 70.90 | 81.06 | 81.13 | 76.93 | 67.32 | 50.83 | 45.52 | 62.73 | |||||||||||||
1989 | 46.00 | 42.89 | a | 52.87 | 66.47 | 65.00 | b | 74.60 | 74.83 | a | 75.42 | 78.07 | 62.97 | 53.00 | 45.60 | a | 61.48 | |||||||||
1990 | 46.77 | 47.71 | 58.68 | 63.63 | 64.42 | 70.53 | 83.13 | 80.39 | 77.30 | 63.26 | 53.17 | 39.39 | 62.36 | |||||||||||||
1991 | 46.52 | 57.93 | a | 52.26 | 56.70 | 61.53 | a | 68.57 | 82.34 | b | 83.23 | 81.33 | 68.55 | 54.00 | 45.90 | 63.24 | ||||||||||
1992 | 50.32 | 57.57 | a | 61.90 | 64.77 | 74.81 | 78.23 | 81.29 | 85.39 | 77.07 | 66.00 | 52.53 | 45.32 | 66.27 | ||||||||||||
1993 | 43.35 | 47.61 | 58.45 | 59.03 | 70.29 | 70.57 | 73.68 | 79.52 | 79.30 | 69.39 | 48.80 | 46.13 | a | 62.18 | ||||||||||||
1994 | 52.87 | 52.50 | 61.16 | 63.27 | 70.39 | 73.04 | c | 85.10 | 82.23 | 80.20 | 64.60 | a | 48.76 | a | 48.74 | 65.24 | ||||||||||
1995 | 51.80 | a | 57.00 | 58.10 | 60.43 | 69.42 | 73.00 | 82.90 | 79.87 | 78.43 | 62.29 | 57.47 | 49.17 | a | 64.99 | |||||||||||
1996 | 47.65 | 53.83 | 59.35 | 65.20 | 64.68 | 75.28 | e | 85.35 | e | 85.00 | 74.27 | 62.87 | 56.13 | 50.29 | 64.99 | |||||||||||
1997 | 48.94 | 52.25 | 58.23 | 61.17 | 75.16 | 72.00 | 81.00 | c | 83.87 | 75.83 | 61.61 | 55.80 | 45.90 | a | 64.31 | |||||||||||
1998 | 52.48 | 54.59 | a | 56.26 | 62.57 | 61.87 | 72.10 | 84.00 | e | 86.00 | c | 79.93 | 63.65 | 54.60 | 46.48 | 64.54 | ||||||||||
1999 | 50.10 | 51.61 | 54.03 | 61.63 | 64.39 | 71.93 | 80.06 | 80.13 | 81.20 | 68.81 | 59.47 | 47.61 | 64.25 | |||||||||||||
2000 | 47.39 | 51.62 | 55.87 | 65.07 | 67.29 | 77.37 | 78.97 | 82.13 | a | 76.87 | 65.68 | 50.30 | 48.60 | a | 63.93 | |||||||||||
2001 | 49.06 | 50.04 | 56.55 | 58.50 | 72.90 | 69.80 | 81.45 | 83.94 | 80.33 | 65.26 | 57.67 | 49.06 | 64.55 | |||||||||||||
2002 | 48.19 | 55.79 | 56.21 | b | 61.23 | 68.77 | 75.80 | 85.16 | l | 85.13 | 79.23 | 65.68 | 59.37 | 52.03 | 64.31 | a | ||||||||||
2003 | 55.39 | 55.00 | 59.23 | 59.20 | 68.90 | 79.13 | 88.97 | 86.61 | 80.67 | 68.77 | 51.40 | 50.19 | 66.96 | |||||||||||||
2004 | 50.13 | 54.10 | 63.42 | 66.03 | 70.58 | 74.14 | b | 87.94 | 83.50 | a | 73.73 | 64.74 | 53.28 | a | 49.03 | a | 65.89 | |||||||||
2005 | 50.48 | b | 54.58 | b | 62.50 | a | 61.07 | 67.77 | ----- | z | 83.39 | 86.23 | 76.37 | 65.86 | b | 50.37 | 45.58 | 64.02 | a | |||||||
2006 | 50.48 | 52.71 | 53.42 | 61.23 | 69.39 | c | 74.27 | 85.10 | 82.13 | 77.80 | 63.74 | 52.28 | a | 48.71 | 64.27 | |||||||||||
2007 | 46.16 | 51.04 | 59.42 | 60.67 | 67.16 | 71.97 | 81.32 | 79.45 | 72.97 | 60.23 | 50.30 | 45.23 | 62.16 | |||||||||||||
2008 | 42.90 | 50.93 | 51.13 | 55.67 | 66.29 | 70.07 | 81.35 | 79.90 | 77.03 | 63.03 | 54.13 | 43.68 | 61.34 | |||||||||||||
2009 | 46.10 | 51.29 | 50.39 | 58.40 | 68.84 | 71.70 | 83.97 | 80.58 | 75.47 | 60.42 | 52.50 | 40.94 | 61.71 | |||||||||||||
2010 | 51.68 | 53.32 | 54.97 | 57.53 | 60.90 | a | 66.67 | 79.45 | 79.26 | 71.83 | 62.52 | 50.90 | 47.94 | 61.41 | ||||||||||||
2011 | 48.16 | 47.89 | 52.48 | 54.60 | 60.00 | g | 68.69 | d | 76.03 | 81.10 | 81.53 | 64.39 | 52.80 | 43.94 | 61.06 | a | ||||||||||
2012 | 48.48 | 49.79 | 50.81 | 58.63 | 64.58 | 67.70 | 75.58 | 81.94 | 77.23 | 64.13 | 54.33 | 46.00 | 61.60 | |||||||||||||
2013 | 43.10 | 48.25 | d | 55.94 | 61.07 | 67.55 | 72.90 | 85.35 | n | 80.04 | g | 71.97 | 60.97 | 51.43 | 40.47 | a | 57.36 | b | ||||||||
2014 | 47.65 | 49.82 | 57.32 | 60.47 | 68.90 | b | 70.83 | 82.13 | 83.74 | 79.30 | 68.65 | 52.73 | 51.23 | 64.40 | ||||||||||||
2015 | 51.39 | 56.39 | 62.32 | 59.93 | 66.84 | 79.90 | 85.16 | 84.26 | 75.13 | 69.97 | 50.93 | 47.39 | 65.80 | |||||||||||||
2016 | 49.65 | 56.07 | 55.94 | 66.37 | 67.74 | 75.54 | b | 77.97 | 84.90 | 74.03 | 61.16 | 58.50 | 42.06 | 64.16 | ||||||||||||
2017 | 43.55 | 50.11 | 54.71 | 58.17 | 68.55 | 72.27 | 81.94 | 86.03 | 75.30 | 63.39 | h | 53.17 | 44.48 | 62.57 | a | |||||||||||
2018 | 50.00 | 49.25 | 53.84 | 60.67 | 68.84 | 74.17 | 85.35 | 82.26 | 73.45 | j | 67.45 | 53.90 | 48.45 | 63.11 | a | |||||||||||
2019 | 49.58 | 42.50 | 55.06 | 60.63 | 69.10 | 75.43 | 79.10 | 81.87 | 70.33 | 60.06 | 52.03 | 48.03 | 61.98 | |||||||||||||
2020 | 50.29 | 50.76 | 53.90 | 62.67 | 67.45 | 71.17 | 80.61 | 82.58 | 75.41 | h | 65.97 | 52.87 | 48.94 | 62.47 | a | |||||||||||
2021 | 50.74 | 47.82 | 55.45 | 65.37 | 68.45 | 78.90 | 84.35 | 82.84 | 76.60 | 61.16 | 55.50 | 45.65 | 64.40 | |||||||||||||
2022 | 50.00 | 52.11 | 56.65 | 55.57 | 62.65 | 71.83 | 82.32 | 85.19 | 76.93 | 69.35 | 48.87 | 45.45 | 63.08 | |||||||||||||
2023 | 48.55 | 48.43 | 49.61 | 56.57 | 71.32 | 77.07 | b | 84.68 | 84.26 | 74.40 | 64.32 | 52.40 | 50.23 | 63.49 | ||||||||||||
2024 | 53.05 | k | 52.34 | 57.16 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.75 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 47.72 | 51.64 | 55.32 | 59.98 | 66.49 | 72.29 | 80.37 | 81.01 | 75.56 | 64.47 | 53.02 | 47.09 | 62.86 | |||||||||||||
S.D. | 3.19 | 3.31 | 3.35 | 3.42 | 3.32 | 3.40 | 3.69 | 3.44 | 3.37 | 2.92 | 2.77 | 2.92 | 1.55 | |||||||||||||
SKEW | -0.44 | -0.35 | 0.33 | 0.07 | 0.15 | 0.11 | -0.18 | -0.22 | 0.01 | 0.57 | -0.14 | -0.25 | 0.48 | |||||||||||||
MAX | 55.39 | 57.93 | 63.42 | 67.83 | 75.16 | 79.90 | 88.97 | 87.87 | 83.00 | 73.06 | 59.47 | 53.74 | 66.96 | |||||||||||||
MIN | 38.26 | 42.50 | 49.23 | 51.80 | 58.87 | 65.03 | 72.00 | 72.06 | 68.87 | 59.72 | 43.48 | 39.39 | 59.52 | |||||||||||||
YRS | 73 | 74 | 74 | 73 | 73 | 73 | 72 | 73 | 72 | 73 | 74 | 74 | 66 |