YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 95.87 | a | 91.97 | 89.77 | 78.10 | 66.10 | 60.68 | 80.41 | f | |||||
1949 | 48.39 | 61.71 | 70.48 | 79.07 | 86.23 | 92.63 | 90.68 | 92.10 | 88.80 | 76.35 | 75.53 | 60.90 | 76.91 | |||||||||||||
1950 | 62.55 | 68.18 | 74.57 | a | 81.50 | 84.74 | 95.10 | 88.74 | 92.48 | 87.93 | 87.39 | 76.00 | a | 69.42 | 80.72 | |||||||||||
1951 | 60.55 | 64.61 | 69.06 | 74.23 | 86.58 | 94.50 | 95.32 | 91.48 | 92.10 | 81.55 | 66.83 | 60.42 | 78.10 | |||||||||||||
1952 | 63.19 | 62.72 | 62.77 | 74.53 | 86.68 | 93.33 | 94.19 | 92.65 | 91.97 | 86.29 | 65.10 | 59.35 | 77.73 | |||||||||||||
1953 | 67.19 | 62.68 | 70.97 | 77.20 | 82.16 | 97.07 | 92.71 | 93.16 | 92.77 | 80.71 | 71.90 | 58.10 | 78.88 | |||||||||||||
1954 | 63.55 | 70.11 | 69.26 | 82.93 | 86.71 | 94.13 | 93.29 | 87.84 | 90.63 | 83.10 | 73.60 | 64.84 | 80.00 | |||||||||||||
1955 | 55.55 | 61.71 | 70.52 | 78.67 | 83.52 | 94.13 | 91.29 | 88.32 | 90.10 | 83.23 | 69.70 | 66.84 | 77.80 | |||||||||||||
1956 | 66.13 | 60.90 | 74.87 | 75.53 | 89.68 | 96.87 | 92.29 | 90.74 | 92.50 | 81.32 | 67.23 | 60.29 | 79.03 | |||||||||||||
1957 | 61.13 | 72.43 | 68.06 | 76.50 | 81.10 | 95.20 | 94.71 | 89.13 | 88.83 | 74.29 | 64.07 | a | 64.39 | 77.49 | ||||||||||||
1958 | 59.81 | 64.07 | 62.45 | 76.80 | 89.35 | 96.30 | 94.42 | 90.35 | 85.03 | 76.00 | 68.13 | 67.39 | 77.51 | |||||||||||||
1959 | 66.00 | 64.25 | 71.13 | 80.07 | 85.52 | 95.53 | 93.74 | 87.65 | 88.50 | 80.13 | 66.30 | 58.77 | 78.13 | |||||||||||||
1960 | 55.84 | 60.31 | 75.48 | 79.00 | 86.19 | 97.43 | 93.00 | 91.42 | 90.00 | 77.71 | 71.23 | 60.03 | 78.14 | |||||||||||||
1961 | 60.16 | 65.57 | 70.48 | 80.37 | 88.23 | 96.10 | 93.97 | 90.74 | 86.13 | 79.32 | 64.07 | 60.23 | 77.95 | |||||||||||||
1962 | 58.71 | 66.29 | 64.84 | 81.67 | 85.71 | 92.67 | 90.45 | 95.58 | 87.87 | 82.26 | 72.50 | 61.48 | 78.33 | |||||||||||||
1963 | 59.48 | 68.11 | 71.84 | 79.00 | 89.00 | 93.63 | 93.68 | 87.87 | 88.73 | 81.58 | 67.17 | 61.77 | 78.49 | |||||||||||||
1964 | 58.03 | 59.52 | 64.81 | 74.73 | 86.35 | 92.20 | 91.81 | 87.97 | 83.63 | 79.81 | 67.03 | 62.06 | 75.66 | |||||||||||||
1965 | 63.45 | 61.54 | 66.74 | 77.40 | 83.45 | 89.67 | 91.90 | 91.42 | 85.37 | 82.23 | 72.07 | 59.26 | 77.04 | |||||||||||||
1966 | 56.81 | 58.00 | 72.35 | 78.53 | 87.29 | 93.07 | 94.52 | 87.77 | 84.53 | 79.48 | 71.53 | 60.61 | 77.04 | |||||||||||||
1967 | 64.61 | 66.61 | 75.39 | 77.37 | 84.00 | 90.63 | 90.97 | 88.90 | 85.27 | 81.10 | 71.27 | 54.97 | 77.59 | |||||||||||||
1968 | 59.32 | 66.03 | 65.94 | 73.07 | 84.52 | 94.40 | 89.94 | 86.45 | 87.47 | 82.58 | 66.73 | 60.87 | 76.44 | |||||||||||||
1969 | 63.19 | 61.96 | 65.94 | 79.57 | 85.03 | 93.27 | 91.90 | 92.55 | 88.17 | 78.35 | 66.43 | 62.29 | 77.39 | |||||||||||||
1970 | 61.48 | 66.04 | 66.00 | 74.20 | 86.35 | 93.33 | 92.97 | 90.68 | 84.60 | 76.39 | 71.43 | 64.71 | 77.35 | |||||||||||||
1971 | 64.42 | 64.11 | 74.94 | 76.33 | 82.55 | 92.53 | 93.77 | 87.55 | 86.90 | 73.32 | 68.90 | 57.42 | 76.90 | |||||||||||||
1972 | 63.77 | 68.59 | 77.48 | 80.87 | 83.84 | 92.03 | 94.06 | 89.26 | 85.73 | 75.52 | 64.23 | 60.39 | 77.98 | |||||||||||||
1973 | 56.48 | 61.11 | 62.19 | 71.77 | 84.13 | 92.60 | 92.03 | 92.97 | 90.17 | 82.90 | 71.80 | 65.35 | 76.96 | |||||||||||||
1974 | 61.39 | 65.07 | 73.26 | 78.83 | 87.74 | 98.20 | 89.52 | 89.55 | 84.70 | 76.58 | 67.83 | 58.32 | 77.58 | |||||||||||||
1975 | 62.00 | 64.07 | 68.10 | 72.50 | 83.32 | 93.47 | 89.84 | 92.39 | 84.60 | 80.23 | 70.83 | 62.65 | 77.00 | |||||||||||||
1976 | 61.65 | 67.41 | 70.42 | 76.20 | 83.94 | 94.33 | 88.97 | 91.97 | 83.97 | 73.23 | 66.13 | 59.87 | 76.51 | |||||||||||||
1977 | 57.29 | 67.57 | 65.55 | 77.13 | 82.84 | 93.50 | 91.48 | 91.68 | 88.87 | 78.23 | 71.33 | 66.23 | 77.64 | |||||||||||||
1978 | 60.55 | 61.11 | 71.00 | 77.97 | 84.65 | 95.87 | 95.87 | 90.68 | 86.30 | 80.13 | 65.97 | 55.65 | 77.14 | |||||||||||||
1979 | 54.48 | 64.93 | 68.48 | 78.93 | 81.39 | 91.87 | 94.32 | 89.61 | 88.97 | 84.23 | 66.20 | 62.84 | 77.19 | |||||||||||||
1980 | 61.61 | 65.10 | 66.87 | 75.90 | 83.16 | 98.73 | 96.42 | 90.23 | 89.17 | 77.87 | 69.43 | 67.84 | 78.53 | |||||||||||||
1981 | 60.94 | 67.96 | 66.61 | 79.30 | 84.10 | 95.67 | 91.26 | 91.74 | 87.86 | h | 78.18 | i | 74.57 | i | 67.70 | h | 79.70 | d | ||||||||
1982 | 61.88 | e | 66.54 | 71.52 | 80.33 | 83.52 | 94.73 | 92.61 | 91.42 | 88.90 | 81.10 | 65.53 | 56.81 | 77.91 | ||||||||||||
1983 | 60.90 | 63.61 | 66.19 | 70.13 | 84.81 | 91.87 | 94.13 | 90.68 | 87.87 | 76.39 | 65.50 | 62.39 | 76.20 | |||||||||||||
1984 | 60.29 | 65.28 | 72.94 | 75.63 | 90.52 | 91.03 | 90.94 | 87.42 | 87.47 | 73.42 | 68.00 | 60.39 | 76.94 | |||||||||||||
1985 | 56.52 | 62.71 | 70.23 | 78.93 | 85.84 | 95.17 | 94.26 | 91.29 | 84.83 | 76.77 | 67.67 | 65.06 | 77.44 | |||||||||||||
1986 | 68.42 | 67.50 | 73.26 | 80.63 | 86.74 | 92.20 | 89.19 | 90.58 | 85.93 | 77.97 | 66.63 | 59.13 | 78.18 | |||||||||||||
1987 | 61.06 | 62.14 | 67.71 | 78.40 | 82.19 | 94.17 | 95.03 | 89.65 | 85.73 | 83.35 | 69.07 | 60.84 | 77.45 | |||||||||||||
1988 | 62.10 | 68.41 | 71.97 | 76.50 | 86.52 | 93.87 | 93.00 | 89.13 | 86.60 | 82.77 | 71.23 | 61.97 | 78.67 | |||||||||||||
1989 | 60.97 | 70.14 | 78.42 | 86.90 | 90.23 | 97.97 | 97.45 | 91.52 | 91.73 | 80.58 | 73.23 | 64.65 | 81.98 | |||||||||||||
1990 | 63.13 | 64.11 | 72.61 | 81.87 | 85.94 | 100.00 | 90.55 | 87.65 | 86.93 | 82.00 | 70.93 | 60.84 | 78.88 | |||||||||||||
1991 | 59.90 | 67.29 | 67.65 | 79.23 | 87.13 | 93.27 | 92.94 | 92.48 | 87.20 | 83.84 | 69.67 | 59.48 | 78.34 | |||||||||||||
1992 | 56.06 | 63.93 | 68.68 | 81.60 | 83.29 | 94.63 | 93.61 | 90.23 | 91.30 | 83.94 | 66.80 | 60.48 | 77.88 | |||||||||||||
1993 | 61.16 | 63.18 | 72.81 | 81.40 | 88.23 | 96.57 | 92.32 | 90.13 | 88.57 | 79.48 | 68.30 | 63.32 | 78.79 | |||||||||||||
1994 | 64.52 | 64.79 | 71.90 | 79.80 | 87.10 | 98.47 | 97.26 | 95.10 | 89.07 | 79.16 | 67.13 | 61.10 | 79.62 | |||||||||||||
1995 | 61.03 | 68.46 | 72.10 | 77.17 | 83.61 | 94.77 | 96.32 | 94.61 | 89.77 | 85.61 | 75.07 | 65.52 | 80.34 | |||||||||||||
1996 | 68.00 | 70.34 | 72.61 | 81.20 | 92.19 | 97.07 | 94.42 | 91.06 | 86.00 | 80.32 | 72.10 | 66.32 | 80.97 | |||||||||||||
1997 | 61.03 | 65.11 | 75.97 | 75.87 | 90.00 | 94.20 | 95.55 | 92.39 | 92.13 | 79.65 | 71.40 | 55.84 | 79.09 | |||||||||||||
1998 | 64.84 | 60.00 | 68.97 | 74.37 | 86.52 | 95.40 | 93.55 | 93.81 | 92.80 | 82.84 | 73.27 | 63.94 | 79.19 | |||||||||||||
1999 | 67.90 | 72.46 | 75.23 | 76.83 | 88.32 | 93.57 | 89.29 | 91.19 | 90.90 | 84.29 | 78.10 | 62.19 | 80.86 | |||||||||||||
2000 | 69.35 | 71.59 | 72.45 | 84.17 | 93.55 | 93.40 | 94.81 | 91.84 | 92.37 | 79.06 | 65.60 | 63.57 | h | 82.56 | a | |||||||||||
2001 | 56.00 | 64.18 | 70.19 | 78.27 | 89.55 | 95.47 | 90.19 | 92.23 | 90.97 | 83.29 | 70.87 | 60.65 | 78.49 | |||||||||||||
2002 | 62.58 | 65.86 | 73.03 | 84.13 | 89.61 | 99.87 | 94.03 | 92.65 | 89.70 | 78.10 | 71.43 | 58.45 | 79.95 | |||||||||||||
2003 | 68.81 | 64.00 | 70.35 | 78.50 | 89.97 | 96.27 | 98.77 | 93.74 | 91.37 | 84.74 | 69.67 | 63.00 | 80.77 | |||||||||||||
2004 | 59.97 | 60.90 | 74.06 | 75.23 | 88.74 | 95.57 | 95.03 | 91.58 | 86.97 | 79.10 | 64.03 | 61.90 | 77.76 | |||||||||||||
2005 | 61.71 | 60.86 | 68.81 | 78.23 | 88.74 | 96.67 | 98.39 | 89.81 | 91.27 | 80.97 | 73.97 | 66.61 | 79.67 | |||||||||||||
2006 | 66.39 | 69.93 | 70.19 | 82.50 | 90.55 | 96.87 | 94.42 | 87.35 | 83.50 | 78.19 | 73.77 | 60.74 | 79.53 | |||||||||||||
2007 | 55.03 | 65.82 | 73.61 | 79.10 | 88.45 | 96.87 | 94.32 | 91.00 | 90.00 | 84.06 | 74.77 | 60.32 | 79.45 | |||||||||||||
2008 | 60.39 | 69.24 | 74.06 | 81.20 | 86.61 | 98.67 | 91.97 | 90.16 | 89.83 | 84.77 | 73.13 | 63.84 | 80.32 | |||||||||||||
2009 | 67.94 | 71.18 | 75.19 | 79.07 | 90.48 | 92.77 | 98.03 | 95.55 | 90.60 | 80.03 | 73.27 | 59.87 | 81.16 | |||||||||||||
2010 | 60.68 | 61.71 | 70.35 | 76.93 | 87.42 | 97.67 | 94.19 | 93.13 | 91.43 | 82.32 | 69.37 | 67.87 | 79.42 | |||||||||||||
2011 | 63.65 | 64.64 | 78.42 | 82.87 | 86.26 | 100.13 | 94.97 | 96.03 | 93.63 | 87.23 | 71.40 | 60.58 | 81.65 | |||||||||||||
2012 | 69.52 | 69.66 | 73.94 | 83.67 | 90.52 | 99.47 | 92.39 | 93.87 | 87.37 | 84.19 | 74.40 | 62.55 | 81.79 | |||||||||||||
2013 | 57.68 | 61.50 | 76.45 | 80.70 | 87.68 | 100.50 | 91.19 | 90.16 | 88.47 | 81.16 | 70.17 | 60.77 | 78.87 | |||||||||||||
2014 | 67.71 | 72.29 | 74.39 | 79.77 | 87.13 | 98.87 | 93.45 | 87.29 | 86.97 | 83.26 | 70.63 | 63.35 | 80.42 | |||||||||||||
2015 | 62.87 | 71.39 | 72.77 | 77.33 | 83.42 | 97.30 | 91.26 | d | 93.75 | c | 88.20 | 80.48 | 70.40 | 61.48 | 79.22 | |||||||||||
2016 | 61.39 | 73.03 | 76.26 | 79.40 | 86.06 | 97.67 | 95.45 | 89.58 | 87.63 | 87.06 | 71.70 | 64.29 | 80.79 | |||||||||||||
2017 | 61.77 | 69.25 | 78.84 | 83.13 | 86.97 | 100.07 | 91.90 | 90.77 | 90.80 | 86.23 | 79.17 | 64.58 | 81.96 | |||||||||||||
2018 | 66.55 | 66.79 | 74.71 | 84.00 | 90.55 | 97.40 | 94.68 | 91.48 | 89.83 | 74.84 | 68.77 | 59.68 | 79.94 | |||||||||||||
2019 | 59.29 | c | 61.07 | 71.52 | 78.50 | 81.42 | 95.40 | 96.19 | 94.81 | 87.33 | 80.35 | 68.87 | 59.74 | 77.87 | ||||||||||||
2020 | 63.54 | e | 64.83 | f | 68.53 | a | 74.57 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.04 | j |
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.50 | n | 63.26 | 63.26 | k | |
2023 | 60.39 | 62.14 | 70.29 | 82.03 | 86.61 | 95.43 | 102.26 | 95.48 | 93.27 | 83.48 | 72.33 | 64.90 | 80.72 | |||||||||||||
2024 | 60.52 | 66.21 | 68.26 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.99 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 61.66 | 65.47 | 71.03 | 78.66 | 86.43 | 95.29 | 93.43 | 91.09 | 88.55 | 80.67 | 69.89 | 61.87 | 78.65 | |||||||||||||
S.D. | 3.94 | 3.60 | 3.83 | 3.17 | 2.78 | 2.51 | 2.53 | 2.26 | 2.60 | 3.42 | 3.42 | 3.01 | 1.53 | |||||||||||||
SKEW | -0.27 | 0.25 | -0.20 | -0.11 | 0.17 | 0.19 | 0.55 | 0.10 | -0.04 | -0.19 | 0.30 | 0.20 | 0.46 | |||||||||||||
MAX | 69.52 | 73.03 | 78.84 | 86.90 | 93.55 | 100.50 | 102.26 | 96.03 | 93.63 | 87.39 | 79.17 | 69.42 | 81.98 | |||||||||||||
MIN | 48.39 | 58.00 | 62.19 | 70.13 | 81.10 | 89.67 | 88.74 | 86.45 | 83.50 | 73.23 | 64.03 | 54.97 | 75.66 | |||||||||||||
YRS | 74 | 73 | 74 | 72 | 72 | 72 | 73 | 73 | 72 | 72 | 72 | 72 | 70 |