YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 88.40 | 90.68 | 92.55 | 82.40 | 75.23 | 62.53 | 56.65 | 78.35 | e | |||||||
1963 | 51.26 | 59.25 | 68.48 | 77.77 | 83.39 | 85.97 | 92.61 | 88.71 | 85.53 | 80.68 | 65.57 | 49.87 | 74.09 | |||||||||||||
1964 | 54.16 | 47.93 | 65.42 | 76.13 | 83.97 | 88.53 | 94.39 | 91.94 | 80.50 | 76.87 | 60.13 | 52.84 | 72.73 | |||||||||||||
1965 | 57.61 | 52.32 | 54.34 | b | 74.93 | 81.45 | 84.80 | 92.03 | 88.68 | 83.73 | 75.55 | 69.17 | 57.84 | 72.71 | ||||||||||||
1966 | 46.35 | 52.04 | 68.03 | 71.53 | 79.68 | 85.23 | 94.65 | 83.19 | 80.57 | 72.71 | 66.57 | 52.74 | 71.11 | |||||||||||||
1967 | 57.29 | 57.18 | 70.81 | 76.07 | 79.90 | 85.43 | 87.03 | 86.84 | 79.63 | 76.48 | 62.80 | 48.74 | 72.35 | |||||||||||||
1968 | 51.32 | 52.93 | 61.65 | 69.17 | 77.71 | 89.27 | 87.45 | 87.23 | 83.20 | 76.77 | 57.73 | 55.48 | 70.83 | |||||||||||||
1969 | 58.45 | 53.71 | 51.94 | 72.47 | 79.42 | 85.63 | 93.84 | 92.84 | 81.17 | 65.87 | 62.20 | 56.00 | 71.13 | |||||||||||||
1970 | 49.45 | 58.50 | 56.84 | 70.10 | 84.26 | 87.80 | 92.16 | 93.45 | 82.40 | 68.68 | 61.57 | 60.39 | 72.13 | |||||||||||||
1971 | ----- | z | 54.36 | 64.45 | 72.07 | 80.42 | 90.33 | 90.65 | 82.13 | 79.53 | 72.74 | 62.43 | 52.55 | 72.88 | a | |||||||||||
1972 | 55.94 | 60.69 | 71.77 | 78.23 | 79.03 | 89.70 | 87.84 | 86.77 | 82.30 | 72.90 | 53.17 | 50.61 | 72.41 | |||||||||||||
1973 | 45.58 | 52.39 | ----- | z | 64.33 | 78.45 | 89.47 | 89.65 | 91.23 | 81.27 | 76.58 | 66.83 | 56.29 | 72.01 | a | |||||||||||
1974 | 52.55 | 60.32 | 71.74 | 75.87 | 86.84 | 89.43 | 92.48 | 84.03 | 73.60 | 71.13 | 60.73 | 50.68 | 72.45 | |||||||||||||
1975 | ----- | z | 48.21 | 61.61 | 70.90 | 79.81 | 89.33 | 83.48 | 88.06 | 78.47 | 76.77 | 63.90 | 56.39 | 72.45 | a | |||||||||||
1976 | 54.65 | 65.17 | 64.03 | 73.80 | 76.32 | 85.77 | 82.68 | 87.71 | 80.60 | 66.13 | 55.03 | 53.81 | 70.47 | |||||||||||||
1977 | 44.65 | 58.07 | 63.48 | 69.93 | 80.13 | 92.87 | 92.87 | 89.39 | 88.20 | 75.81 | 65.27 | 57.39 | 73.17 | |||||||||||||
1978 | 43.48 | 42.36 | 63.87 | 78.83 | 79.27 | a | 89.37 | 93.35 | 88.03 | 81.47 | 74.16 | 56.20 | 48.03 | a | 69.87 | |||||||||||
1979 | 39.13 | 54.64 | 61.26 | 71.27 | 77.23 | 84.53 | 90.71 | 86.45 | 84.83 | 77.19 | 53.73 | 51.48 | 69.37 | |||||||||||||
1980 | 49.52 | 52.66 | 61.87 | 68.67 | 76.13 | 94.97 | 97.03 | 91.65 | 84.70 | 72.13 | 57.03 | 57.10 | 71.95 | |||||||||||||
1981 | 54.23 | 58.54 | 59.94 | 75.53 | 78.90 | 91.30 | 91.71 | 83.77 | 80.17 | 68.74 | 63.77 | 55.94 | 71.88 | |||||||||||||
1982 | 52.27 | a | 50.81 | a | 66.23 | 71.86 | a | 80.13 | 82.23 | 88.10 | 89.84 | 87.37 | 73.33 | a | 58.77 | 47.65 | 70.71 | |||||||||
1983 | 45.19 | 50.64 | 60.23 | 66.33 | 79.32 | 84.52 | a | 95.08 | e | 95.81 | 89.70 | 72.39 | 62.47 | 39.58 | 70.10 | |||||||||||
1984 | 47.90 | 58.45 | 61.52 | 67.90 | a | 83.63 | a | 88.43 | 89.55 | 86.47 | a | 80.27 | 67.39 | 59.33 | 52.71 | 70.30 | ||||||||||
1985 | 45.87 | 49.79 | 64.35 | 75.27 | 82.81 | 86.93 | 93.42 | e | ----- | z | 82.67 | 69.32 | 60.60 | 49.10 | 69.10 | a | ||||||||||
1986 | 58.94 | 55.57 | 69.32 | 76.67 | 81.06 | 84.33 | 92.97 | 86.61 | 79.57 | 66.45 | 56.38 | a | 47.07 | a | 71.24 | |||||||||||
1987 | 45.32 | 52.57 | 57.16 | 70.30 | 77.94 | 86.33 | 90.42 | 86.35 | 79.27 | 71.77 | 59.87 | 46.81 | 68.68 | |||||||||||||
1988 | 45.94 | 55.17 | 63.42 | 69.57 | 77.77 | 86.13 | 87.58 | 89.06 | 80.87 | 72.94 | 63.37 | 51.55 | 70.28 | |||||||||||||
1989 | 56.19 | 47.57 | 69.00 | 77.57 | 82.03 | 82.00 | d | 88.81 | 85.00 | 78.93 | 75.48 | 63.07 | a | 44.97 | 70.89 | |||||||||||
1990 | 52.06 | 57.54 | 59.10 | 69.97 | 78.87 | 97.47 | 87.87 | 87.61 | 83.97 | 71.35 | 63.43 | 49.67 | a | 71.58 | ||||||||||||
1991 | 43.35 | 60.93 | 64.97 | 75.30 | 84.39 | 88.63 | 87.39 | 87.87 | 75.90 | 73.94 | 51.87 | 48.71 | 70.27 | |||||||||||||
1992 | 46.94 | 58.10 | 66.10 | 72.53 | 75.84 | 83.73 | 90.13 | 85.39 | 82.33 | 76.48 | 53.17 | 46.84 | 69.80 | |||||||||||||
1993 | 45.87 | 51.43 | 63.10 | 71.90 | 79.84 | 88.50 | 89.90 | 88.71 | 83.40 | 70.29 | 55.77 | 53.84 | 70.21 | |||||||||||||
1994 | 52.65 | 54.36 | 63.74 | 71.03 | 76.06 | ----- | z | 91.77 | 89.77 | 84.43 | 72.65 | 60.30 | 56.32 | 70.28 | a | |||||||||||
1995 | 51.03 | 60.48 | a | 61.55 | 70.00 | 76.23 | 85.23 | 91.35 | 88.45 | 80.07 | 74.00 | 63.60 | 52.16 | 71.18 | ||||||||||||
1996 | 53.16 | 58.72 | 60.81 | 73.90 | 88.68 | 90.63 | 90.29 | 87.87 | 78.37 | 71.74 | 60.47 | 55.65 | 72.52 | |||||||||||||
1997 | 46.29 | 49.43 | 68.06 | 62.43 | 75.42 | 85.57 | 92.81 | 88.16 | 85.17 | 71.87 | 56.77 | 45.10 | 68.92 | |||||||||||||
1998 | 54.35 | 52.61 | 58.06 | 68.43 | 87.48 | 94.57 | 97.16 | 90.45 | 90.60 | 73.84 | 61.27 | 51.68 | 73.38 | |||||||||||||
1999 | 55.03 | 60.57 | 58.87 | 69.70 | 75.55 | 86.10 | 91.42 | 90.52 | 78.97 | 73.58 | 69.43 | 48.68 | 71.53 | |||||||||||||
2000 | 56.94 | 64.17 | 65.06 | 72.83 | 85.84 | 83.83 | 92.10 | a | 94.19 | 89.10 | 70.87 | 52.70 | 46.16 | 72.82 | ||||||||||||
2001 | 43.23 | 55.82 | 55.48 | 74.93 | 78.84 | 92.07 | 97.23 | 91.45 | 85.63 | 76.27 | a | 62.07 | 54.58 | 72.30 | ||||||||||||
2002 | 52.13 | 52.82 | 61.67 | a | 73.17 | 84.16 | 92.63 | 92.06 | 91.68 | 83.87 | 66.55 | 55.93 | a | 48.16 | 71.24 | |||||||||||
2003 | 54.65 | 52.50 | 65.68 | 76.33 | 84.84 | 83.60 | 93.39 | 93.87 | 81.00 | 76.52 | 61.47 | 56.16 | 73.33 | |||||||||||||
2004 | 53.32 | 51.52 | 65.58 | 69.10 | 84.48 | 87.87 | 86.35 | 85.48 | 81.57 | 70.23 | 51.72 | a | 53.42 | 70.05 | ||||||||||||
2005 | 53.03 | 54.68 | 59.29 | 69.67 | 76.87 | 89.20 | 90.94 | 86.35 | 87.10 | 73.45 | 65.70 | 54.00 | 71.69 | |||||||||||||
2006 | 60.58 | 58.46 | 64.90 | a | 78.40 | 87.16 | 92.33 | 93.87 | 89.61 | 77.40 | 72.07 | b | 64.43 | 49.19 | 74.03 | |||||||||||
2007 | 41.06 | 53.52 | a | 66.03 | 65.47 | 75.58 | 85.23 | 89.35 | 92.39 | 85.53 | 78.55 | 63.87 | 49.87 | 70.54 | ||||||||||||
2008 | 51.90 | 58.76 | 65.42 | 73.30 | 81.00 | 93.77 | 88.23 | 88.13 | 80.23 | 72.26 | 64.57 | 54.16 | 72.64 | |||||||||||||
2009 | 55.29 | 63.46 | 67.00 | 72.20 | 78.94 | 89.37 | 89.77 | 91.23 | 81.23 | 69.74 | 65.33 | 44.84 | 72.37 | |||||||||||||
2010 | 50.35 | 44.07 | 61.35 | 72.00 | 77.94 | 93.50 | 88.77 | 93.29 | 89.03 | 76.16 | 62.93 | 56.39 | 72.15 | |||||||||||||
2011 | 52.52 | 52.43 | 69.55 | 79.10 | 83.00 | 97.77 | 98.23 | 98.48 | 85.10 | 74.23 | 61.57 | 42.55 | 74.54 | |||||||||||||
2012 | 57.94 | 52.83 | 70.55 | 79.73 | 83.39 | 91.63 | 93.65 | 93.26 | 85.33 | 72.48 | 68.60 | 56.16 | 75.46 | |||||||||||||
2013 | 50.45 | 53.25 | 64.97 | 71.60 | 83.45 | 91.97 | 87.94 | 91.23 | 86.67 | 74.39 | 57.53 | 49.42 | 71.90 | |||||||||||||
2014 | 53.48 | 53.57 | 64.32 | 74.80 | 82.00 | 87.63 | 86.90 | 90.90 | 79.63 | 76.10 | 57.57 | 52.35 | 71.61 | |||||||||||||
2015 | 45.16 | 56.25 | 62.90 | 74.07 | 75.32 | 87.37 | 90.19 | 89.48 | 87.77 | 72.13 | 61.57 | 53.81 | 71.33 | |||||||||||||
2016 | 50.77 | 60.83 | 68.42 | 71.53 | 77.65 | 89.97 | 97.03 | 88.81 | 80.97 | 78.55 | 65.30 | 51.32 | 73.43 | |||||||||||||
2017 | 50.32 | 62.71 | 70.16 | 70.63 | 78.29 | 90.83 | 91.16 | 83.00 | 80.77 | 70.87 | 66.50 | 53.52 | 72.40 | |||||||||||||
2018 | 52.90 | 57.50 | 67.52 | 71.37 | 88.35 | 93.87 | 92.42 | 89.94 | 81.67 | 67.06 | 55.23 | 50.65 | 72.37 | |||||||||||||
2019 | 52.90 | 56.75 | 58.77 | 72.47 | 77.19 | 87.90 | 93.77 | 96.58 | 87.27 | 65.19 | 57.07 | 54.29 | 71.68 | |||||||||||||
2020 | 53.42 | 50.10 | 63.71 | 71.10 | 84.39 | 92.03 | 96.16 | 94.58 | 82.00 | 72.48 | 65.90 | 53.55 | 73.29 | |||||||||||||
2021 | 48.26 | 46.64 | 63.81 | 68.73 | 77.71 | 88.23 | 85.84 | 87.84 | 86.57 | 76.19 | 65.43 | 63.29 | 71.55 | |||||||||||||
2022 | 51.65 | 51.21 | 64.58 | 76.37 | 85.35 | 91.07 | 96.97 | 89.26 | 86.23 | 70.90 | 56.70 | 52.48 | 72.73 | |||||||||||||
2023 | 54.71 | 56.79 | 64.32 | 71.80 | 79.39 | 87.43 | 95.61 | 94.26 | 87.90 | 75.39 | 64.13 | 56.90 | 74.05 | |||||||||||||
2024 | 48.19 | 60.76 | 63.90 | 70.00 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.62 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 50.99 | 54.96 | 63.80 | 72.44 | 80.60 | 88.70 | 91.31 | 89.41 | 82.83 | 72.91 | 60.97 | 52.03 | 71.78 | |||||||||||||
S.D. | 4.76 | 4.82 | 4.26 | 3.67 | 3.60 | 3.57 | 3.40 | 3.44 | 3.56 | 3.45 | 4.48 | 4.38 | 1.42 | |||||||||||||
SKEW | -0.33 | -0.16 | -0.36 | -0.17 | 0.46 | 0.39 | -0.12 | 0.22 | 0.11 | -0.33 | -0.30 | -0.28 | 0.11 | |||||||||||||
MAX | 60.58 | 65.17 | 71.77 | 79.73 | 88.68 | 97.77 | 98.23 | 98.48 | 90.60 | 80.68 | 69.43 | 63.29 | 75.46 | |||||||||||||
MIN | 39.13 | 42.36 | 51.94 | 62.43 | 75.32 | 82.00 | 82.68 | 82.13 | 73.60 | 65.19 | 51.72 | 39.58 | 68.68 | |||||||||||||
YRS | 60 | 62 | 61 | 61 | 61 | 61 | 62 | 61 | 62 | 62 | 62 | 62 | 56 |