YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.83 | d | 77.23 | b | 63.79 | e | 46.17 | i | 44.81 | d | 66.92 | h |
1949 | 38.78 | a | 45.33 | d | 53.15 | 61.80 | 69.07 | b | 78.73 | b | 82.60 | 78.94 | 77.58 | 61.77 | a | 55.65 | 44.47 | b | 62.32 | |||||||
1950 | 43.38 | a | 50.43 | a | 54.79 | 64.26 | a | 67.68 | 77.42 | 81.47 | b | 79.00 | 72.43 | 70.15 | a | 54.70 | 48.84 | 63.71 | ||||||||
1951 | 44.28 | a | 47.20 | 52.73 | 60.10 | 68.48 | 74.47 | 85.15 | 80.20 | a | 74.28 | 64.58 | 50.13 | 44.30 | a | 62.16 | ||||||||||
1952 | 45.38 | a | 44.55 | a | 48.12 | a | 61.04 | b | 70.71 | b | 78.50 | g | 83.32 | c | 81.21 | c | 75.29 | b | 65.19 | e | 49.04 | b | 42.85 | a | 60.61 | a |
1953 | 45.66 | 45.58 | b | 54.22 | b | 60.33 | a | 63.40 | b | 79.17 | d | 83.62 | b | 80.19 | 74.22 | 63.61 | 53.92 | 40.35 | 62.02 | |||||||
1954 | 44.48 | b | 51.73 | b | 52.55 | b | 65.07 | 70.84 | 77.52 | 79.00 | 77.92 | 76.37 | 66.77 | 54.47 | 45.10 | 63.48 | ||||||||||
1955 | 41.58 | 41.66 | 52.98 | 59.47 | 68.82 | 76.57 | 79.95 | 78.74 | 72.17 | 64.26 | 50.68 | 47.69 | 61.21 | |||||||||||||
1956 | 47.39 | 43.38 | 53.82 | 59.58 | 70.16 | 81.32 | 80.32 | 77.77 | 76.62 | 64.29 | 47.42 | 43.11 | 62.10 | |||||||||||||
1957 | 47.44 | 54.87 | a | 54.60 | 60.18 | 66.15 | 79.23 | 81.92 | 80.27 | 73.48 | 62.79 | 47.67 | 45.06 | 62.81 | ||||||||||||
1958 | 43.23 | 50.38 | 49.48 | 59.17 | 73.10 | 81.85 | 81.73 | 81.47 | 75.23 | 65.23 | 51.70 | 46.81 | 63.28 | |||||||||||||
1959 | 45.90 | b | 46.66 | 52.69 | 64.13 | 68.15 | 80.87 | 82.87 | 78.21 | 72.53 | 63.15 | 49.28 | 44.95 | 62.45 | ||||||||||||
1960 | 39.27 | a | 41.60 | 56.23 | 62.62 | 69.34 | 80.75 | 83.81 | 82.23 | 78.02 | 63.21 | 54.03 | 42.55 | 62.80 | ||||||||||||
1961 | 44.53 | a | 47.98 | 53.98 | 61.28 | 69.24 | 80.50 | 83.06 | 80.29 | 73.13 | 62.42 | 49.48 | 44.69 | 62.55 | ||||||||||||
1962 | 41.97 | a | 51.21 | 49.63 | 65.72 | 68.95 | 77.37 | 82.27 | 82.53 | 77.05 | 65.21 | 56.20 | 47.39 | 63.79 | ||||||||||||
1963 | 40.69 | 51.57 | 53.06 | 60.18 | 72.26 | 75.60 | 83.56 | 78.79 | 77.72 | 67.87 | 54.10 | a | 43.85 | 63.27 | ||||||||||||
1964 | 39.23 | 41.24 | 50.27 | 59.60 | 69.95 | 77.12 | 83.37 | 79.58 | 73.58 | 66.73 | 49.78 | 44.65 | 61.26 | |||||||||||||
1965 | 45.95 | 46.18 | 51.03 | 60.75 | 67.02 | 74.17 | 82.37 | 80.61 | 72.78 | a | 64.63 | 56.52 | 46.42 | 62.37 | ||||||||||||
1966 | 41.58 | 43.21 | 54.24 | 62.87 | 71.94 | 77.72 | 84.50 | 80.55 | 73.98 | 62.58 | 55.18 | 43.95 | 62.69 | |||||||||||||
1967 | 41.73 | 48.89 | 56.63 | 59.28 | 66.55 | 76.18 | 82.05 | 78.53 | 72.93 | 62.79 | 53.50 | 39.87 | 61.58 | |||||||||||||
1968 | 42.76 | 51.93 | 52.71 | 58.28 | 67.84 | 77.87 | 80.39 | 77.11 | 73.57 | 64.42 | 51.55 | 40.52 | 61.58 | |||||||||||||
1969 | 47.65 | 46.84 | 49.18 | 61.95 | 69.92 | 77.37 | 83.55 | 83.79 | 76.18 | 62.66 | 51.57 | 46.58 | 63.10 | |||||||||||||
1970 | 42.16 | 49.07 | 50.98 | 55.70 | 68.98 | 79.97 | 84.53 | 82.55 | 73.02 | 59.26 | 52.08 | 44.57 | b | 61.91 | ||||||||||||
1971 | 43.24 | 47.71 | 54.48 | 59.60 | 66.73 | 78.43 | 86.42 | 80.23 | 75.92 | 61.93 | a | 51.75 | 42.21 | 62.39 | ||||||||||||
1972 | 43.19 | 48.14 | 60.74 | 61.55 | 68.94 | 78.57 | 84.23 | 81.00 | a | 75.02 | 65.26 | 48.05 | 42.26 | 63.08 | ||||||||||||
1973 | 41.68 | a | 46.77 | 49.55 | 56.17 | 69.11 | 77.77 | 82.76 | 81.81 | 73.80 | 65.10 | 52.12 | 44.00 | 61.72 | ||||||||||||
1974 | 44.34 | 44.39 | 56.02 | 60.53 | 70.77 | 82.98 | 81.55 | 79.24 | 74.13 | 65.02 | 51.70 | 40.81 | 62.62 | |||||||||||||
1975 | 42.35 | 45.62 | 51.12 | b | 55.20 | 65.68 | 76.10 | 82.05 | 81.31 | 74.07 | 64.50 | 51.53 | a | 44.45 | 61.17 | |||||||||||
1976 | 43.06 | 51.26 | 52.34 | 59.07 | 68.66 | 78.43 | 82.65 | 81.26 | 73.90 | 60.69 | 51.28 | 42.94 | 62.13 | |||||||||||||
1977 | 43.68 | 49.48 | 49.76 | 61.70 | 66.97 | 79.52 | 83.60 | 83.00 | 76.80 | 66.92 | 54.25 | 47.81 | 63.62 | |||||||||||||
1978 | 46.15 | 48.29 | 55.95 | 61.33 | 69.02 | a | 80.68 | 84.84 | 81.03 | 75.45 | 67.70 | a | 53.68 | 42.00 | 63.84 | |||||||||||
1979 | 42.53 | 47.30 | 51.89 | 60.42 | 68.34 | 77.50 | 82.00 | 78.42 | 76.93 | 66.15 | 48.60 | 45.82 | 62.16 | |||||||||||||
1980 | 45.95 | 50.52 | 52.05 | 60.65 | 67.35 | 80.12 | 85.05 | 80.48 | 76.75 | 62.90 | 51.82 | 49.05 | a | 63.56 | ||||||||||||
1981 | 47.76 | 50.61 | 53.29 | 65.00 | 71.45 | 82.70 | 83.34 | 81.89 | 76.42 | 64.42 | 54.95 | 46.77 | 64.88 | |||||||||||||
1982 | 44.68 | 49.23 | 52.88 | b | 61.59 | a | 68.53 | 76.67 | 82.37 | 81.92 | 76.88 | 62.76 | 51.43 | a | 44.26 | 62.77 | ||||||||||
1983 | 44.67 | a | 48.71 | 52.89 | 56.17 | 68.92 | 77.00 | 83.08 | 82.82 | 79.28 | 65.68 | 52.78 | 45.43 | b | 63.12 | |||||||||||
1984 | 44.93 | b | 45.95 | a | 54.02 | a | 59.45 | a | 73.39 | 80.17 | 82.73 | 80.21 | 76.25 | 61.47 | 51.95 | 45.47 | b | 63.00 | ||||||||
1985 | 42.73 | 46.63 | b | 54.13 | a | 63.50 | 71.68 | 80.57 | b | 83.88 | a | 79.98 | a | 72.73 | 63.97 | 52.33 | a | 44.81 | 63.08 | |||||||
1986 | 48.36 | b | 50.55 | 57.23 | a | 63.09 | b | 71.10 | 80.67 | 80.11 | 82.82 | 73.13 | 62.56 | 52.33 | 44.86 | b | 63.90 | |||||||||
1987 | 42.68 | a | 46.90 | c | 51.26 | 62.67 | 69.42 | 79.65 | 80.85 | 79.39 | 72.88 | 67.97 | a | 51.00 | b | 42.07 | a | 62.23 | ||||||||
1988 | 42.64 | f | 49.17 | e | 53.92 | 60.52 | 70.08 | 80.77 | 84.31 | 80.06 | 72.80 | 68.32 | 52.47 | 43.63 | a | 65.09 | a | |||||||||
1989 | 42.88 | f | 51.24 | c | 59.37 | 67.72 | a | 72.05 | 79.05 | 83.95 | 80.95 | 75.87 | 64.05 | 53.40 | 42.13 | e | 66.34 | a | ||||||||
1990 | 41.88 | e | 46.17 | d | 56.82 | a | 65.23 | 70.11 | 82.77 | 81.29 | 78.29 | 76.62 | 64.10 | 54.21 | a | 42.43 | c | 63.33 | ||||||||
1991 | 44.50 | f | 51.54 | c | 48.95 | c | 60.58 | 68.90 | 75.63 | 83.10 | 81.00 | 74.45 | 66.58 | 50.18 | b | 46.08 | f | 66.09 | b | |||||||
1992 | 43.21 | e | 50.26 | b | 54.63 | a | 64.25 | 70.70 | a | 76.77 | 80.47 | 79.42 | a | 75.37 | 65.90 | a | 48.09 | b | 43.56 | f | 64.46 | a | ||||
1993 | 48.45 | i | 47.17 | h | 55.47 | a | 62.70 | 72.23 | 79.32 | 82.27 | a | 81.73 | 74.92 | 63.84 | b | 50.26 | e | 44.11 | d | 66.68 | b | |||||
1994 | 44.38 | g | 47.27 | h | 56.95 | a | 63.20 | 70.58 | 84.43 | 84.21 | 83.47 | 76.83 | 63.60 | 49.50 | h | 46.57 | c | 69.98 | c | |||||||
1995 | 44.32 | i | 52.94 | b | 55.41 | b | 59.33 | 68.21 | 77.80 | 82.45 | 84.27 | 76.55 | 66.15 | 56.41 | a | 45.71 | g | 67.95 | b | |||||||
1996 | 45.35 | h | 53.75 | e | 55.04 | c | 64.34 | a | 74.71 | 82.32 | 85.57 | a | 82.05 | 73.23 | 65.38 | a | 53.93 | c | 45.12 | g | 69.03 | b | ||||
1997 | 44.92 | g | 47.68 | i | 57.47 | a | 61.60 | 74.61 | 78.27 | 82.44 | 82.13 | 80.40 | a | 63.74 | b | 53.67 | c | 41.36 | i | 70.48 | c | |||||
1998 | 45.07 | h | 46.12 | g | 53.03 | 58.23 | 70.24 | 77.62 | 84.85 | 83.20 | a | 79.15 | 66.12 | b | 53.87 | c | 45.30 | f | 69.59 | c | ||||||
1999 | 46.29 | e | 49.41 | f | 57.85 | d | 60.30 | b | 70.67 | b | 79.10 | 81.68 | 81.38 | a | 76.77 | b | 66.60 | a | 57.39 | c | 44.17 | j | 67.80 | b | ||
2000 | 46.78 | h | 51.19 | h | 55.25 | c | 66.07 | 76.18 | 82.22 | 85.00 | 82.52 | 78.60 | 64.90 | a | 47.00 | c | 45.46 | e | 68.32 | b | ||||||
2001 | 43.68 | i | 48.08 | h | 55.08 | a | 63.67 | 74.40 | a | 81.88 | 83.24 | 81.89 | 77.53 | a | 67.16 | c | 57.14 | e | 43.10 | g | 71.33 | c | ||||
2002 | 44.73 | e | 49.39 | f | 53.56 | e | 67.62 | a | 72.06 | 84.05 | 84.34 | 81.81 | b | 78.38 | a | 64.22 | d | 54.33 | d | 45.06 | g | 68.51 | b | |||
2003 | 50.04 | f | 48.42 | j | 53.92 | a | 61.55 | a | 73.06 | 80.66 | a | 86.44 | 83.87 | 77.26 | a | 70.22 | a | 52.44 | e | 44.26 | j | 71.05 | c | |||
2004 | 45.71 | j | 44.00 | i | 59.23 | e | 62.67 | a | 73.37 | 79.88 | 81.45 | 78.85 | 74.02 | 64.47 | 51.10 | a | 44.13 | 66.92 | b | |||||||
2005 | 48.07 | a | 49.70 | a | 53.61 | 61.75 | 72.38 | a | 80.20 | 84.85 | 80.74 | 77.47 | 66.98 | 55.40 | 45.02 | 64.68 | ||||||||||
2006 | 45.26 | 50.75 | 53.95 | 65.67 | 75.00 | 84.47 | a | 84.50 | 78.85 | 72.77 | 65.90 | a | 56.10 | 43.85 | 64.76 | |||||||||||
2007 | 41.08 | a | 49.50 | a | 57.31 | b | 64.73 | 74.69 | 81.47 | 84.97 | 83.39 | 78.40 | 67.52 | 58.25 | 43.43 | a | 65.40 | |||||||||
2008 | 44.50 | h | 48.64 | 55.65 | 62.23 | 69.95 | 80.83 | 81.24 | 80.58 | 75.67 | 65.50 | 55.80 | 45.55 | 65.60 | a | |||||||||||
2009 | 47.26 | 50.36 | 57.50 | 62.08 | 74.45 | 78.18 | 86.13 | 82.42 | 77.15 | 64.27 | 56.67 | 43.26 | 64.98 | |||||||||||||
2010 | 44.79 | 48.77 | 54.44 | 62.73 | 68.63 | 80.77 | 84.05 | 81.68 | 77.03 | 67.24 | 51.52 | 49.02 | 64.22 | |||||||||||||
2011 | 43.13 | 45.00 | 58.55 | 66.42 | 68.77 | 80.20 | 84.45 | 84.15 | 77.48 | 66.61 | 53.50 | 43.15 | 64.28 | |||||||||||||
2012 | 46.55 | 49.83 | 54.27 | c | 65.35 | 73.76 | 83.73 | 83.82 | 83.63 | 75.88 | 66.60 | b | 56.60 | 46.08 | 65.51 | |||||||||||
2013 | 42.32 | a | 44.82 | 58.06 | 64.02 | 73.87 | a | 83.22 | c | 83.02 | 82.22 | a | 76.90 | 62.98 | 55.60 | 44.65 | 64.31 | |||||||||
2014 | 46.37 | 53.11 | 57.85 | 64.50 | 70.89 | 82.67 | 83.66 | 79.19 | 77.15 | 67.92 | 52.80 | 48.29 | 65.37 | |||||||||||||
2015 | 47.48 | 55.39 | 59.55 | 62.67 | 68.81 | 83.70 | 82.53 | 83.90 | 77.90 | a | 67.55 | 52.73 | 43.76 | 65.50 | ||||||||||||
2016 | 44.31 | 53.22 | 58.92 | 63.03 | 70.83 | a | 83.62 | 83.50 | 79.76 | 74.35 | 68.90 | a | 56.37 | 48.32 | 65.43 | |||||||||||
2017 | 46.53 | 52.43 | 60.50 | 64.88 | 71.48 | 84.00 | ----- | z | 81.19 | 76.55 | 68.47 | 60.72 | g | ----- | z | 67.34 | c | |||||||||
2018 | 49.06 | 51.66 | 58.15 | 68.48 | 74.93 | a | 82.86 | a | 85.87 | 83.19 | 79.40 | 64.90 | a | ----- | z | 46.55 | 67.73 | a | ||||||||
2019 | 45.88 | a | 46.67 | a | 56.94 | 65.28 | ----- | z | 80.80 | 86.40 | 84.44 | ----- | z | 64.33 | a | 54.75 | d | 46.21 | b | 63.17 | b | |||||
2020 | 47.03 | 49.60 | 57.05 | 65.09 | a | 76.76 | 82.07 | a | ----- | z | 87.13 | 77.83 | 69.03 | b | 57.28 | 44.40 | 64.84 | a | ||||||||
2021 | 46.02 | 49.88 | 55.24 | 66.35 | 74.27 | ----- | z | 84.27 | 82.84 | 77.28 | ----- | z | 58.07 | 49.70 | c | 64.39 | b | |||||||||
2022 | 46.11 | 48.17 | a | 56.37 | 65.78 | 74.16 | 83.88 | 87.18 | 82.73 | 79.86 | a | 64.97 | 50.45 | a | 46.87 | 65.54 | ||||||||||
2023 | 45.16 | b | 47.57 | 55.02 | 64.67 | 73.35 | a | 79.62 | 89.60 | 84.85 | 78.55 | 68.40 | 57.68 | e | 46.70 | k | 67.68 | a | ||||||||
2024 | 45.79 | j | 51.14 | h | 54.98 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.98 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.35 | 48.61 | 54.51 | 62.22 | 70.59 | 79.84 | 83.34 | 81.22 | 75.81 | 65.14 | 53.00 | 44.76 | 63.24 | |||||||||||||
S.D. | 2.39 | 3.15 | 2.87 | 2.85 | 2.71 | 2.55 | 1.84 | 1.94 | 2.08 | 2.20 | 2.78 | 2.20 | 1.25 | |||||||||||||
SKEW | -0.23 | -0.27 | -0.04 | -0.18 | 0.12 | -0.03 | 0.38 | 0.21 | -0.01 | 0.07 | -0.12 | 0.10 | 0.36 | |||||||||||||
MAX | 49.06 | 55.39 | 60.74 | 68.48 | 76.76 | 84.47 | 89.60 | 87.13 | 80.40 | 70.22 | 58.25 | 49.70 | 65.54 | |||||||||||||
MIN | 38.78 | 41.24 | 48.12 | 55.20 | 63.40 | 74.17 | 79.00 | 77.11 | 72.17 | 59.26 | 47.00 | 39.87 | 61.17 | |||||||||||||
YRS | 61 | 65 | 76 | 75 | 74 | 73 | 73 | 76 | 75 | 75 | 72 | 64 | 51 |