YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 93.47 | 94.10 | 88.17 | 75.50 | 59.13 | 50.76 | 76.85 | f | ||||||
1949 | 44.10 | 52.80 | 61.79 | 74.47 | a | 77.85 | 88.63 | 94.02 | 92.31 | 91.07 | 72.23 | 66.97 | 52.00 | 72.35 | ||||||||||||
1950 | 50.19 | 61.59 | 66.34 | 75.60 | 78.29 | 87.13 | 92.37 | 93.87 | 84.58 | 78.89 | 66.10 | 59.42 | 74.53 | |||||||||||||
1951 | 53.27 | 57.75 | 63.52 | 70.73 | 80.13 | 86.42 | 95.18 | 90.65 | e | 89.18 | 74.45 | 60.58 | 52.37 | 72.85 | ||||||||||||
1952 | 50.77 | 57.07 | 58.92 | 70.85 | 84.37 | 85.38 | 93.47 | 95.08 | 89.37 | 81.11 | 59.02 | 53.15 | 73.21 | |||||||||||||
1953 | 59.45 | 57.05 | 64.71 | 69.97 | 73.39 | 86.60 | 95.87 | 92.73 | 88.40 | 75.50 | 64.57 | 53.79 | 73.50 | |||||||||||||
1954 | 53.47 | 64.79 | 61.92 | 76.03 | 81.95 | 86.93 | 95.26 | 90.84 | 88.45 | 77.52 | 66.18 | 54.11 | 74.79 | |||||||||||||
1955 | 50.89 | 53.88 | 64.00 | 68.98 | 77.44 | 87.30 | 91.53 | 91.73 | 88.42 | 79.53 | 62.65 | 56.60 | 72.74 | |||||||||||||
1956 | 57.16 | 53.16 | 64.84 | 70.23 | 79.92 | 89.83 | 92.84 | 91.06 | 91.20 | 73.32 | 60.37 | 55.76 | 73.31 | |||||||||||||
1957 | 53.69 | 64.36 | 65.85 | 70.92 | 75.85 | 90.80 | 95.94 | 91.34 | 87.60 | 71.95 | 59.05 | 56.65 | 73.67 | |||||||||||||
1958 | 55.89 | 61.06 | a | 60.19 | 71.50 | 85.05 | 89.40 | 93.82 | 94.40 | 88.85 | 79.06 | 61.78 | 58.63 | 74.97 | ||||||||||||
1959 | 56.29 | 56.45 | 67.56 | 76.28 | 78.18 | 91.85 | 96.90 | 92.16 | 85.05 | 76.35 | 63.97 | 55.21 | 74.69 | |||||||||||||
1960 | 50.55 | 56.36 | 68.40 | 74.25 | 80.08 | 93.67 | 96.90 | 94.35 | 89.32 | 74.61 | 61.62 | 53.06 | 74.43 | |||||||||||||
1961 | 56.71 | 61.00 | 63.94 | 72.75 | 77.76 | 91.78 | 95.27 | 93.48 | 83.92 | 74.97 | 60.75 | 54.66 | 73.92 | |||||||||||||
1962 | 56.45 | 59.16 | 60.95 | 77.82 | 75.84 | 86.78 | 93.32 | 96.87 | 90.38 | 76.50 | 66.25 | 57.06 | 74.78 | |||||||||||||
1963 | 50.31 | 64.89 | 63.03 | 67.32 | 81.27 | 84.42 | 95.00 | 93.10 | 88.93 | 77.74 | 62.48 | 53.08 | 73.46 | |||||||||||||
1964 | 49.76 | 53.95 | 61.03 | 69.18 | 77.34 | 87.17 | 95.55 | 94.13 | 86.25 | 80.34 | 58.48 | 53.90 | 72.26 | |||||||||||||
1965 | 55.00 | 57.64 | 60.47 | 71.27 | 77.98 | 82.92 | 94.94 | 95.00 | 83.90 | 78.98 | 65.00 | 53.31 | 73.03 | |||||||||||||
1966 | 50.76 | 53.80 | 65.00 | 74.25 | 82.71 | 88.85 | 95.06 | 95.68 | 88.10 | 74.58 | 63.10 | 55.16 | 73.92 | |||||||||||||
1967 | 53.42 | 59.89 | 64.60 | 63.58 | 78.82 | 84.90 | 97.06 | 95.26 | 86.32 | 77.44 | 65.68 | 51.00 | 73.16 | |||||||||||||
1968 | 53.58 | 63.60 | 65.89 | 70.13 | 79.32 | 87.85 | 93.56 | 90.05 | 87.05 | 74.84 | 63.73 | 48.24 | 73.15 | |||||||||||||
1969 | 56.37 | 55.41 | 62.42 | 72.42 | 82.63 | 86.07 | 95.73 | 98.77 | 89.47 | 71.82 | 63.28 | 54.97 | 74.11 | |||||||||||||
1970 | 52.34 | 60.77 | 62.52 | 66.08 | 80.92 | 89.20 | 97.32 | 94.76 | 83.72 | 70.13 | 60.17 | 49.37 | 72.27 | |||||||||||||
1971 | 50.76 | 56.84 | 64.53 | 68.77 | 73.02 | 87.50 | 95.95 | 91.66 | 84.73 | 66.40 | 55.60 | 47.23 | 70.25 | |||||||||||||
1972 | 47.11 | 56.26 | 68.03 | 70.78 | 80.89 | 92.20 | 97.87 | 93.58 | 87.73 | 73.02 | 59.45 | 52.24 | 73.26 | |||||||||||||
1973 | 51.65 | 58.02 | 59.74 | 70.13 | 82.76 | 91.65 | 95.87 | 93.08 | 84.90 | 74.85 | 60.33 | 55.35 | 73.20 | |||||||||||||
1974 | 52.82 | 57.54 | 65.39 | 71.93 | 80.65 | 93.35 | 94.00 | 92.44 | 89.47 | 75.97 | 62.70 | 51.55 | 73.98 | |||||||||||||
1975 | 53.08 | 55.79 | 60.48 | 62.72 | 76.63 | 86.15 | 94.58 | 92.94 | 87.88 | 72.77 | 60.73 | 54.26 | 71.50 | |||||||||||||
1976 | 55.73 | 59.50 | 62.03 | 67.17 | 80.40 | 87.62 | 91.92 | 88.79 | 80.40 | 71.74 | 63.73 | 53.71 | 71.89 | |||||||||||||
1977 | 54.35 | 61.14 | 59.48 | 72.28 | 72.68 | 89.82 | 95.06 | 92.77 | 85.92 | 77.10 | 64.07 | 57.60 | 73.52 | |||||||||||||
1978 | 54.18 | 59.00 | 67.00 | 69.22 | 78.97 | 91.52 | 95.74 | 91.58 | 84.82 | 78.42 | 59.57 | 48.34 | 73.20 | |||||||||||||
1979 | 48.03 | 56.27 | 62.39 | 71.48 | 79.23 | 89.58 | 94.00 | 89.87 | 90.07 | 75.00 | 57.48 | 55.37 | 72.40 | |||||||||||||
1980 | 58.13 | 61.48 | 62.06 | 70.42 | 75.34 | 88.02 | 98.24 | 94.37 | 87.43 | 76.73 | 64.32 | 60.45 | 74.75 | |||||||||||||
1981 | 61.11 | 61.89 | 65.71 | 76.73 | 81.19 | 95.00 | 97.97 | 95.90 | 87.87 | ----- | z | ----- | z | 56.76 | 78.01 | b | ||||||||||
1982 | 54.39 | 61.30 | 63.24 | 70.87 | 79.00 | 84.85 | 92.87 | 93.13 | 85.32 | 71.90 | 59.90 | 52.63 | 72.45 | |||||||||||||
1983 | 56.13 | 59.21 | 63.58 | 66.68 | 80.05 | 86.50 | 94.03 | 91.06 | 89.98 | 76.89 | 63.55 | a | 56.31 | 73.67 | ||||||||||||
1984 | 56.65 | 58.26 | 66.95 | 70.60 | 85.45 | 87.67 | a | 93.13 | 92.15 | 89.35 | 71.87 | 60.45 | 53.10 | 73.80 | ||||||||||||
1985 | 53.85 | 56.77 | 63.19 | 75.45 | 81.56 | 91.20 | 95.98 | 93.35 | 80.25 | 73.76 | 59.40 | 54.52 | 73.27 | |||||||||||||
1986 | 59.55 | 61.59 | 68.97 | 72.17 | 80.82 | 90.77 | 91.52 | 95.32 | 80.15 | 72.21 | 63.05 | 54.29 | 74.20 | |||||||||||||
1987 | 52.90 | 59.68 | 63.19 | 76.70 | 80.07 | a | 90.53 | 89.97 | 93.52 | 87.57 | 79.34 | 61.68 | 51.68 | a | 73.90 | |||||||||||
1988 | 53.76 | 61.12 | 65.61 | 69.72 | 78.65 | 88.02 | 94.60 | 90.97 | 84.82 | 79.65 | 62.08 | 52.68 | 73.47 | |||||||||||||
1989 | 51.61 | 57.57 | 68.24 | 77.83 | 80.13 | 88.70 | 95.77 | 90.52 | 86.17 | 73.85 | 63.33 | 54.45 | 74.02 | |||||||||||||
1990 | 51.74 | 55.50 | 65.11 | 73.25 | 77.10 | 89.82 | 94.00 | 91.03 | 86.68 | 75.15 | 62.70 | ----- | z | 74.73 | a | |||||||||||
1991 | ----- | z | 63.12 | 58.29 | 69.87 | 75.98 | 84.70 | 91.66 | 92.05 | 87.22 | 78.35 | 63.02 | 55.29 | 74.50 | a | |||||||||||
1992 | 54.94 | 62.14 | 63.23 | 75.65 | 82.23 | 88.02 | 92.71 | 93.53 | 88.93 | 76.61 | 59.75 | 50.34 | 74.01 | |||||||||||||
1993 | 54.10 | 57.21 | 66.23 | 73.58 | 81.13 | 87.87 | 91.19 | 92.21 | 86.17 | 75.24 | 59.25 | 54.15 | 73.19 | |||||||||||||
1994 | 56.13 | 56.21 | 66.74 | 73.03 | 78.06 | 93.45 | 94.84 | 96.21 | 89.52 | 72.69 | 55.67 | 53.11 | 73.81 | |||||||||||||
1995 | 55.21 | 63.16 | 64.03 | 69.37 | ----- | z | 85.03 | 94.13 | 97.02 | 90.05 | 75.71 | 67.00 | 56.23 | 74.27 | a | |||||||||||
1996 | 55.47 | 62.74 | 65.95 | 74.93 | 81.60 | 89.25 | 97.16 | 95.55 | 85.62 | 74.63 | 63.85 | 56.31 | 75.25 | |||||||||||||
1997 | 57.27 | 59.89 | 70.03 | 72.53 | 87.39 | 86.98 | 92.73 | 96.34 | 90.20 | 74.66 | 64.28 | 53.05 | 75.45 | |||||||||||||
1998 | 56.10 | 56.21 | 62.63 | 67.42 | 75.11 | 83.48 | 96.60 | 96.89 | 86.97 | 73.61 | 61.92 | 54.60 | 72.63 | |||||||||||||
1999 | 57.16 | 60.12 | 64.66 | 66.95 | 79.21 | 87.25 | 92.73 | 93.65 | 88.48 | 78.29 | 66.00 | 56.37 | 74.24 | |||||||||||||
2000 | 58.27 | 60.38 | 65.29 | 76.22 | 84.63 | 91.68 | 94.61 | 94.58 | 87.75 | 73.18 | 56.61 | b | 56.18 | 74.95 | ||||||||||||
2001 | 52.97 | 56.14 | 66.37 | 69.57 | 85.84 | 90.52 | 92.61 | 93.65 | e | 90.03 | 77.84 | 66.00 | 51.35 | 74.41 | ||||||||||||
2002 | 53.60 | 59.07 | 62.29 | 73.07 | 79.08 | 90.22 | 96.31 | 92.89 | 87.73 | 73.02 | 64.80 | 53.45 | 73.79 | |||||||||||||
2003 | 60.97 | 58.71 | 65.71 | 68.60 | 81.00 | 88.23 | 96.24 | 94.60 | 89.65 | 81.34 | 59.98 | 54.35 | 74.95 | |||||||||||||
2004 | 56.06 | 55.90 | 72.94 | 72.93 | 81.65 | 87.95 | 94.71 | 92.48 | 85.48 | 71.90 | 58.67 | 54.94 | 73.80 | |||||||||||||
2005 | 56.48 | 57.89 | 63.81 | 69.88 | 81.34 | 87.28 | 96.10 | 92.71 | 85.02 | 75.31 | 64.28 | 54.39 | 73.71 | |||||||||||||
2006 | 55.35 | 59.75 | 59.82 | 69.77 | 83.06 | 93.05 | 97.81 | 93.16 | 85.07 | 72.87 | 64.38 | 52.95 | 73.92 | |||||||||||||
2007 | 51.76 | 58.82 | 67.73 | 72.60 | 81.68 | 88.82 | 95.08 | 95.94 | 86.33 | 74.44 | 65.60 | 51.24 | 74.17 | |||||||||||||
2008 | 52.56 | 57.90 | 65.23 | 71.85 | 77.11 | 91.18 | 95.27 | 94.23 | 88.92 | 76.16 | 66.67 | 53.37 | 74.20 | |||||||||||||
2009 | 58.10 | 58.04 | 65.34 | 70.60 | 86.47 | 85.63 | 97.45 | 94.15 | 89.98 | 72.24 | 63.40 | 52.82 | 74.52 | |||||||||||||
2010 | 55.95 | 59.29 | 62.52 | 68.25 | 76.44 | 88.35 | 96.21 | 93.76 | 88.55 | 74.76 | 61.48 | 56.71 | 73.52 | |||||||||||||
2011 | 55.27 | 54.68 | 66.39 | 72.30 | 76.24 | 88.29 | b | 93.85 | 97.23 | 88.92 | 76.45 | 60.63 | 50.97 | 73.43 | ||||||||||||
2012 | 56.81 | 59.05 | 64.45 | 73.33 | 83.31 | 90.35 | 92.32 | 94.52 | 88.97 | 75.94 | 64.47 | 54.94 | 74.87 | |||||||||||||
2013 | 52.52 | 56.61 | 69.00 | 74.08 | 81.31 | 92.15 | 95.23 | 92.53 | 86.07 | 71.11 | 63.23 | 54.14 | b | 74.00 | ||||||||||||
2014 | 59.03 | 62.61 | 67.97 | 73.72 | 81.16 | 89.80 | 95.62 | e | 91.62 | e | 88.85 | 78.34 | 63.88 | 55.84 | 75.70 | |||||||||||
2015 | 57.47 | 64.96 | 71.03 | 72.63 | 75.77 | 91.82 | 92.23 | 96.53 | 90.38 | 79.44 | 60.55 | 52.24 | 75.42 | |||||||||||||
2016 | 54.32 | 64.60 | 69.11 | 73.38 | 77.98 | 93.28 | 96.90 | 94.95 | 85.37 | 78.95 | 65.75 | 55.26 | 75.82 | |||||||||||||
2017 | 54.77 | 61.95 | 69.58 | 74.63 | 79.35 | 91.70 | 97.55 | 95.61 | 85.22 | 76.97 | 66.73 | 56.16 | 75.85 | |||||||||||||
2018 | 59.29 | 58.14 | 65.02 | 75.72 | 80.26 | 89.80 | 97.06 | 96.61 | d | 91.48 | c | 73.93 | c | 62.72 | 53.95 | 75.33 | ||||||||||
2019 | 54.68 | 53.46 | 64.77 | 74.53 | 75.23 | 88.43 | 95.06 | 96.48 | 86.68 | 72.53 | 63.42 | 53.69 | 73.25 | |||||||||||||
2020 | 55.52 | 58.47 | 62.60 | 72.58 | 83.98 | 88.92 | 96.23 | 98.71 | 90.17 | 78.23 | 63.82 | 54.27 | 75.29 | |||||||||||||
2021 | 55.08 | 59.77 | 62.58 | 75.27 | 81.02 | 93.97 | 97.44 | 95.05 | b | 89.62 | 72.73 | 68.08 | 56.08 | 75.56 | ||||||||||||
2022 | 56.19 | 58.62 | 66.90 | 74.40 | 82.23 | a | 92.60 | 96.52 | 93.82 | 90.72 | 77.39 | 58.97 | 53.44 | 75.15 | ||||||||||||
2023 | 54.23 | 55.30 | 61.53 | 72.98 | 79.97 | 84.80 | 99.06 | 96.11 | 86.54 | b | 77.15 | 63.73 | 56.37 | 73.98 | ||||||||||||
2024 | 54.24 | 59.71 | 63.19 | 67.79 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.05 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 54.48 | 58.84 | 64.55 | 71.81 | 79.84 | 88.92 | 94.93 | 93.75 | 87.44 | 75.41 | 62.45 | 54.04 | 73.86 | |||||||||||||
S.D. | 3.07 | 3.00 | 2.95 | 3.13 | 3.12 | 2.72 | 1.92 | 2.09 | 2.47 | 2.85 | 2.81 | 2.41 | 1.07 | |||||||||||||
SKEW | -0.51 | 0.14 | 0.26 | -0.40 | 0.00 | 0.06 | -0.25 | 0.11 | -0.86 | -0.19 | -0.30 | -0.27 | -0.45 | |||||||||||||
MAX | 61.11 | 64.96 | 72.94 | 77.83 | 87.39 | 95.00 | 99.06 | 98.77 | 91.48 | 81.34 | 68.08 | 60.45 | 75.85 | |||||||||||||
MIN | 44.10 | 52.80 | 58.29 | 62.72 | 72.68 | 82.92 | 89.97 | 88.79 | 80.15 | 66.40 | 55.60 | 47.23 | 70.25 | |||||||||||||
YRS | 75 | 76 | 76 | 75 | 74 | 75 | 76 | 76 | 76 | 75 | 75 | 75 | 71 |