YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1957 | ----- | z | ----- | z | 50.50 | e | 57.60 | 65.29 | 78.30 | 82.50 | a | 81.16 | 78.57 | 57.07 | a | 47.14 | b | 44.00 | a | 64.21 | b | |||||
1958 | 40.84 | 48.43 | 46.16 | 55.23 | 73.68 | 72.10 | 83.90 | 87.32 | 73.93 | 69.45 | 51.29 | b | 52.10 | 62.87 | ||||||||||||
1959 | 45.27 | a | 43.79 | 52.19 | 62.47 | 61.10 | 77.37 | 88.74 | 82.81 | 69.20 | 66.61 | 55.70 | 43.19 | 62.37 | ||||||||||||
1960 | 37.29 | 41.97 | 53.68 | 57.87 | 62.03 | 80.57 | 90.52 | 82.45 | 79.72 | a | 63.58 | 45.63 | 43.06 | 61.53 | ||||||||||||
1961 | 46.58 | 47.18 | 50.13 | a | 59.60 | 64.03 | 82.67 | 88.26 | 87.19 | 71.13 | 63.32 | 47.30 | 40.61 | 62.33 | ||||||||||||
1962 | 36.74 | 39.64 | 46.77 | 63.60 | 61.06 | 76.80 | 84.39 | 81.61 | 79.20 | 63.27 | a | 51.83 | 46.10 | 60.92 | ||||||||||||
1963 | 40.39 | 52.29 | 49.35 | 49.63 | 68.07 | a | 72.63 | 80.00 | 82.35 | 79.47 | 64.65 | 50.55 | a | 45.23 | 61.22 | |||||||||||
1964 | 40.90 | 46.03 | 47.55 | 56.67 | 64.13 | 70.79 | a | 84.19 | 82.19 | 74.60 | 68.48 | 46.93 | 38.77 | 60.10 | ||||||||||||
1965 | 40.39 | 48.61 | 53.07 | a | 57.86 | a | 64.71 | 74.20 | 82.90 | 79.23 | a | 71.00 | 72.27 | a | 51.13 | 40.19 | 61.30 | |||||||||
1966 | 41.61 | 43.71 | 52.74 | 62.70 | 73.00 | 72.41 | a | 81.48 | 84.94 | 78.00 | 68.23 | 50.48 | a | 44.23 | 62.79 | |||||||||||
1967 | 43.13 | 50.46 | 47.06 | 47.73 | 67.77 | a | 75.57 | 88.03 | 90.48 | 81.57 | 64.68 | 52.53 | 39.37 | a | 62.37 | |||||||||||
1968 | 41.65 | 51.10 | 55.26 | 57.97 | 67.26 | 77.79 | a | 89.94 | 77.58 | 76.03 | 63.93 | a | 47.53 | 39.80 | a | 62.15 | ||||||||||
1969 | 38.94 | 40.00 | 49.81 | 57.23 | 71.84 | 74.20 | 84.65 | 85.35 | 76.43 | 55.94 | 52.30 | 43.53 | a | 60.85 | ||||||||||||
1970 | 41.58 | 51.36 | 50.74 | 51.73 | 70.13 | 77.30 | 88.26 | 88.23 | 71.80 | 63.48 | 48.17 | 36.71 | 61.62 | |||||||||||||
1971 | 43.23 | 46.57 | 43.39 | 56.83 | 64.03 | 71.07 | 86.03 | 89.29 | 70.67 | 57.87 | 49.17 | 36.10 | 59.52 | |||||||||||||
1972 | 38.87 | 45.55 | 56.48 | 54.37 | 70.55 | 79.20 | 86.29 | 85.74 | 71.53 | 63.90 | a | 45.70 | 36.93 | a | 61.26 | |||||||||||
1973 | 39.20 | a | 45.75 | 48.26 | 61.20 | 72.10 | 78.23 | 88.19 | 84.87 | 75.50 | 63.55 | 44.90 | 44.03 | 62.15 | ||||||||||||
1974 | 36.90 | 44.79 | 48.06 | 55.77 | 64.71 | 79.00 | l | 84.69 | b | 84.52 | 83.27 | 68.48 | 52.40 | 42.07 | a | 60.51 | a | |||||||||
1975 | 43.97 | 40.82 | 45.77 | a | 49.59 | a | 68.27 | a | 73.90 | 85.48 | 80.42 | 82.70 | 58.55 | 46.00 | 44.13 | 59.97 | ||||||||||
1976 | 43.87 | 45.10 | 47.00 | 54.47 | 70.65 | 72.37 | 85.35 | 75.26 | 77.70 | 66.77 | 57.77 | 45.32 | 61.80 | |||||||||||||
1977 | 37.74 | 52.32 | 47.52 | 64.03 | 57.48 | 80.67 | 84.42 | 85.55 | 72.47 | 63.65 | 48.67 | 43.35 | 61.49 | |||||||||||||
1978 | 44.53 | a | 47.50 | 57.03 | 53.60 | 63.10 | 75.17 | 84.32 | 81.06 | 71.03 | 71.10 | 46.70 | 38.17 | a | 61.11 | |||||||||||
1979 | 34.45 | 42.36 | 54.19 | 57.03 | 70.23 | 78.57 | 87.06 | 81.60 | a | 80.53 | 66.19 | 45.07 | 46.83 | a | 62.01 | |||||||||||
1980 | 40.42 | 48.55 | 48.29 | 60.30 | 65.87 | 70.17 | 85.90 | 82.29 | 76.87 | 65.90 | 50.57 | 44.58 | 61.64 | |||||||||||||
1981 | 41.65 | 44.75 | 52.74 | 60.63 | 65.32 | 75.83 | 84.97 | 89.23 | 78.23 | 59.23 | 50.37 | 44.45 | b | 62.28 | ||||||||||||
1982 | 38.37 | a | 44.18 | 47.10 | 52.93 | 67.42 | 74.43 | 82.10 | 84.23 | 71.13 | 61.29 | 43.30 | 38.71 | 58.77 | ||||||||||||
1983 | 45.13 | 46.68 | 48.52 | 53.40 | 68.48 | 73.30 | 79.65 | 83.13 | 74.80 | 66.68 | 46.57 | 37.23 | 60.30 | |||||||||||||
1984 | 41.81 | 46.24 | 53.16 | 54.47 | 67.61 | 72.03 | 88.26 | 87.47 | a | 74.63 | 55.97 | 45.33 | 37.29 | 60.36 | ||||||||||||
1985 | 34.79 | b | 43.79 | 49.13 | 64.90 | 68.29 | 80.27 | ----- | z | 83.70 | a | 66.90 | 61.32 | 40.59 | a | 42.10 | a | 57.80 | a | |||||||
1986 | 48.93 | a | 48.18 | 57.67 | a | 59.67 | 68.48 | 82.00 | a | 82.10 | 89.58 | 66.83 | 66.39 | 51.28 | a | 41.13 | 63.52 | |||||||||
1987 | 40.65 | 47.11 | 52.45 | 68.10 | 72.06 | 80.50 | 79.08 | f | 86.63 | a | 82.23 | 72.45 | 48.63 | 38.87 | 62.70 | a | ||||||||||
1988 | 38.52 | b | 52.57 | a | 54.97 | 62.13 | 68.29 | c | 78.11 | b | 89.26 | 88.03 | 79.93 | 75.45 | 46.90 | 41.71 | 64.66 | |||||||||
1989 | 40.97 | a | 37.37 | a | 50.82 | c | 64.67 | 68.13 | 81.36 | b | 88.43 | a | 82.35 | 76.86 | a | 63.13 | 53.60 | 46.06 | 62.81 | |||||||
1990 | 44.87 | 45.36 | 55.23 | 67.34 | a | 66.61 | 78.62 | a | 90.73 | a | 85.97 | 84.50 | 66.37 | a | 54.00 | 38.17 | b | 64.81 | ||||||||
1991 | 45.23 | 56.54 | 47.74 | 56.21 | a | 63.19 | 73.93 | 89.39 | c | 86.92 | e | 83.90 | a | 68.81 | 49.93 | a | 43.81 | 63.80 | ||||||||
1992 | 43.65 | 52.11 | a | 58.25 | c | 64.96 | c | 79.48 | b | 81.48 | a | 85.24 | b | 89.28 | b | 78.86 | a | 69.10 | a | 49.45 | a | 37.97 | b | 65.82 | ||
1993 | 34.58 | 36.46 | 54.03 | 56.34 | a | 70.71 | 73.62 | a | 77.97 | 82.87 | 80.24 | a | 65.00 | 48.00 | 42.42 | 60.19 | ||||||||||
1994 | 47.87 | 44.44 | a | 58.19 | 62.27 | 70.85 | d | 79.87 | 92.74 | 89.17 | a | 81.10 | 64.31 | b | 41.24 | a | 41.97 | a | 64.50 | |||||||
1995 | 43.03 | 55.36 | 48.68 | 56.82 | b | 67.06 | 73.07 | b | 85.35 | 85.90 | 82.25 | b | 66.37 | a | 56.20 | 41.10 | 63.43 | |||||||||
1996 | 43.70 | a | 47.11 | a | 54.97 | 61.36 | b | 65.48 | 79.57 | 91.81 | 89.65 | 76.20 | 62.62 | b | 51.90 | 43.45 | 63.98 | |||||||||
1997 | 44.39 | 43.50 | 55.29 | 58.63 | 74.87 | 75.93 | a | 86.77 | 86.97 | 78.83 | 62.93 | a | 51.30 | 41.84 | 63.44 | |||||||||||
1998 | 45.23 | 43.89 | 52.29 | 58.10 | 60.19 | 74.70 | 90.03 | a | 90.41 | b | 82.14 | a | 62.84 | 47.43 | 40.27 | a | 62.29 | |||||||||
1999 | 44.58 | 41.93 | 48.71 | 57.50 | 67.40 | a | 77.80 | 87.90 | 86.10 | a | 81.07 | 71.63 | a | 56.20 | 44.48 | 63.78 | ||||||||||
2000 | 42.23 | 47.71 | a | 52.60 | a | 64.40 | 67.72 | b | 82.47 | 85.71 | 89.03 | 76.00 | 63.06 | 43.93 | 44.10 | 63.25 | ||||||||||
2001 | 43.13 | 45.29 | 56.03 | 55.83 | 76.43 | a | 78.27 | 86.61 | ----- | z | 82.47 | 69.94 | 52.24 | a | 41.45 | 62.52 | a | |||||||||
2002 | 43.13 | 51.18 | 53.35 | 63.79 | a | 70.68 | 83.13 | 91.87 | 85.53 | a | 80.57 | 65.39 | 54.43 | 45.48 | 65.71 | |||||||||||
2003 | 46.97 | a | 46.52 | a | 54.84 | 53.97 | 68.87 | a | 84.10 | 93.63 | a | 89.42 | 84.27 | 71.42 | 47.00 | 44.55 | 65.46 | |||||||||
2004 | 43.37 | a | 46.14 | 62.55 | 65.17 | 68.61 | 80.93 | 91.00 | 87.45 | 77.13 | 63.77 | a | 50.33 | 45.61 | 65.17 | |||||||||||
2005 | 43.07 | a | 49.93 | 56.74 | 59.26 | c | 66.77 | a | 73.03 | 91.48 | 90.57 | a | 79.45 | a | 67.71 | 46.97 | 38.45 | b | 63.62 | |||||||
2006 | 44.97 | 46.07 | 46.70 | a | 59.48 | a | 72.68 | 83.00 | 92.87 | 86.42 | 80.87 | 65.39 | 50.07 | 42.97 | 64.29 | |||||||||||
2007 | 42.58 | 46.21 | 60.06 | 62.57 | b | 74.55 | 81.53 | 93.06 | 88.58 | 76.87 | 62.03 | 53.20 | 40.23 | a | 65.12 | |||||||||||
2008 | 39.55 | 49.69 | 51.13 | 59.10 | 70.03 | 78.87 | 90.13 | a | 89.06 | 82.87 | 67.32 | 54.70 | 40.90 | 64.45 | ||||||||||||
2009 | 46.06 | 47.64 | 51.03 | 61.40 | 73.68 | 76.38 | a | 91.26 | 87.42 | 84.20 | 61.74 | 52.03 | 40.19 | 64.42 | ||||||||||||
2010 | 46.84 | 48.46 | 55.00 | 57.63 | 62.71 | 76.73 | 90.55 | b | 88.00 | b | 81.77 | 67.32 | 49.21 | a | 43.00 | 63.94 | ||||||||||
2011 | 44.77 | 43.46 | 48.35 | 54.90 | 63.19 | 76.43 | 87.45 | 90.06 | 85.60 | 66.52 | 48.87 | 44.16 | 62.82 | |||||||||||||
2012 | 46.35 | 47.24 | 51.61 | 62.37 | 72.10 | 77.20 | 90.10 | 91.68 | 86.17 | 67.58 | 52.67 | 40.94 | 65.50 | |||||||||||||
2013 | 38.71 | 46.96 | 57.06 | 62.23 | 71.74 | 81.20 | 93.81 | 86.32 | 77.83 | 62.03 | 52.83 | 40.32 | 64.26 | |||||||||||||
2014 | 47.77 | 48.07 | 56.68 | 62.37 | 72.10 | 80.50 | 93.94 | 86.65 | 81.28 | a | 68.48 | 50.47 | 44.26 | 66.05 | ||||||||||||
2015 | 47.26 | 53.32 | 61.87 | 62.27 | 69.81 | 87.97 | 88.74 | 90.03 | 81.77 | 72.10 | 46.40 | 40.19 | 66.81 | |||||||||||||
2016 | 42.68 | 54.21 | 53.58 | 68.27 | 70.87 | 81.80 | 88.62 | b | 91.06 | 78.13 | 61.71 | 55.33 | 39.42 | 65.47 | ||||||||||||
2017 | 35.29 | 45.43 | 54.87 | 57.33 | 74.45 | 81.47 | 93.16 | 91.68 | 79.55 | a | 64.87 | 50.33 | 44.29 | 64.39 | ||||||||||||
2018 | 49.48 | 45.63 | a | 51.61 | 62.43 | b | 75.90 | a | 80.57 | 93.58 | 90.00 | a | 80.53 | 65.19 | 52.80 | 43.00 | 65.89 | |||||||||
2019 | 46.03 | 37.82 | 49.90 | 63.20 | 69.77 | 80.60 | 88.00 | 90.81 | 76.17 | 61.90 | 55.87 | 41.84 | 63.49 | |||||||||||||
2020 | 45.77 | 52.79 | 52.65 | 64.87 | 71.68 | 79.00 | f | 91.95 | j | 93.30 | d | 87.64 | h | 74.43 | c | 52.46 | b | 46.59 | d | 61.62 | c | |||||
2021 | 47.00 | a | 49.26 | a | 55.67 | a | 67.14 | b | 76.21 | c | 90.72 | e | 94.07 | a | 92.17 | a | 83.43 | b | 66.30 | a | 55.53 | 45.90 | b | 68.62 | ||
2022 | 48.83 | a | 53.15 | b | 59.86 | b | 56.89 | c | 67.13 | 81.72 | a | 94.55 | 94.60 | a | 85.10 | a | 76.45 | 38.07 | b | 39.45 | 66.32 | |||||
2023 | 41.00 | b | 47.62 | b | 44.65 | 59.57 | 73.73 | a | 78.76 | a | 93.38 | b | 87.71 | 78.24 | e | 69.43 | a | 53.47 | 47.53 | a | 64.59 | |||||
2024 | 47.40 | a | 50.04 | b | 53.23 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.22 | i |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.64 | 46.88 | 52.24 | 59.28 | 68.69 | 77.94 | 87.90 | 86.49 | 78.24 | 65.60 | 49.80 | 42.18 | 63.14 | |||||||||||||
S.D. | 3.70 | 4.19 | 4.23 | 4.56 | 4.36 | 4.12 | 3.98 | 3.85 | 4.61 | 4.34 | 4.00 | 3.07 | 2.03 | |||||||||||||
SKEW | -0.36 | -0.13 | 0.21 | -0.19 | -0.10 | 0.34 | -0.27 | -0.49 | -0.56 | 0.14 | -0.44 | 0.25 | 0.14 | |||||||||||||
MAX | 49.48 | 56.54 | 62.55 | 68.27 | 79.48 | 90.72 | 94.55 | 94.60 | 86.17 | 76.45 | 57.77 | 52.10 | 68.62 | |||||||||||||
MIN | 34.45 | 36.46 | 43.39 | 47.73 | 57.48 | 70.17 | 77.97 | 75.26 | 66.83 | 55.94 | 38.07 | 36.10 | 58.77 | |||||||||||||
YRS | 67 | 67 | 68 | 67 | 67 | 65 | 64 | 66 | 66 | 67 | 67 | 67 | 61 |