YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.19 | 54.13 | 51.55 | 59.96 | i | |||
1956 | 46.10 | 43.55 | 57.00 | 63.53 | 78.23 | a | 92.77 | 90.58 | 88.35 | 85.00 | w | 73.97 | 52.20 | 50.39 | 66.97 | a | ||||||||||
1957 | 41.81 | 57.04 | a | 52.03 | 56.76 | a | 68.87 | a | 81.63 | 91.74 | 87.13 | a | 80.83 | a | 66.52 | 49.10 | 57.12 | o | 66.68 | a | ||||||
1958 | 48.45 | 50.82 | 44.87 | a | 61.27 | 78.27 | a | 86.07 | 88.43 | a | 91.03 | 83.10 | a | 71.35 | 58.15 | d | 50.25 | c | 67.67 | |||||||
1959 | 44.00 | 45.36 | 56.56 | f | 63.73 | 75.03 | 88.67 | 90.77 | 90.50 | a | 78.39 | b | 64.52 | 57.30 | ----- | z | 69.83 | b | ||||||||
1960 | ----- | z | 29.22 | k | 51.10 | 67.97 | 75.00 | 86.63 | 87.03 | a | 90.77 | 82.50 | b | 69.39 | 58.33 | 41.74 | 71.05 | b | ||||||||
1961 | 46.03 | b | 50.50 | b | 55.17 | b | 64.31 | a | 74.86 | c | 83.73 | 88.07 | a | 87.10 | 75.48 | c | 69.73 | a | 51.07 | b | 41.32 | 65.61 | ||||
1962 | 39.58 | 49.12 | d | 53.07 | b | 67.30 | 80.34 | b | 85.00 | 89.30 | a | 93.25 | c | 80.93 | 73.00 | 57.85 | d | 47.24 | n | 69.89 | a | |||||
1963 | 38.10 | 56.84 | c | 57.77 | 71.00 | 79.35 | 90.17 | 96.03 | 88.23 | 85.39 | b | 78.69 | b | 59.40 | 42.10 | 70.26 | ||||||||||
1964 | 47.23 | 44.32 | a | ----- | z | ----- | z | 78.04 | c | 88.95 | j | 96.93 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.63 | h | |
1965 | ----- | z | 48.21 | d | 45.29 | 69.90 | 77.06 | 81.20 | 90.65 | 84.87 | a | 74.67 | 72.94 | 61.87 | 51.81 | 68.95 | a | |||||||||
1966 | 41.42 | 43.14 | 63.16 | 68.13 | 81.29 | 88.70 | 94.42 | 84.97 | 81.57 | 70.00 | 59.17 | 45.16 | 68.43 | |||||||||||||
1967 | 51.90 | 54.18 | 64.19 | 71.63 | 74.19 | 82.57 | 88.29 | 85.77 | 81.07 | 72.65 | 57.43 | 39.23 | 68.59 | |||||||||||||
1968 | 46.19 | 50.83 | 59.29 | 64.60 | 72.94 | 89.63 | 89.90 | 87.10 | 83.13 | 73.16 | 51.53 | 45.87 | 67.85 | |||||||||||||
1969 | 50.71 | 51.61 | 46.29 | 69.93 | 75.61 | 81.00 | 92.90 | 91.16 | 80.23 | 56.29 | 54.90 | 47.00 | 66.47 | |||||||||||||
1970 | 44.68 | 54.93 | 49.42 | 63.80 | 80.77 | 86.33 | 92.03 | 92.65 | 82.03 | 62.58 | 56.37 | 51.71 | 68.11 | |||||||||||||
1971 | 47.06 | 48.93 | 61.00 | 66.73 | 74.42 | 92.63 | 89.55 | 87.90 | 79.27 | 67.97 | 54.21 | a | 46.65 | 68.03 | ||||||||||||
1972 | 46.16 | 55.62 | 66.27 | a | 70.47 | 74.81 | 87.63 | 91.03 | 88.74 | 79.97 | 67.55 | b | 42.67 | 35.90 | 67.23 | |||||||||||
1973 | 40.19 | 50.39 | 53.39 | 61.00 | 72.90 | 86.60 | 88.23 | 92.52 | 77.33 | 73.84 | 56.47 | 48.23 | 66.76 | |||||||||||||
1974 | 41.03 | 53.29 | 62.23 | 68.17 | 82.48 | 88.70 | 94.61 | 87.03 | 78.17 | 70.90 | 55.00 | 43.84 | 68.79 | |||||||||||||
1975 | 44.23 | 47.21 | 55.48 | 66.50 | 76.26 | 86.70 | 91.19 | 92.77 | 79.70 | 73.97 | 52.67 | 50.90 | 68.13 | |||||||||||||
1976 | 47.35 | 58.17 | 57.81 | 68.03 | a | 75.00 | 88.70 | 91.48 | 89.48 | 78.97 | 64.58 | 53.24 | a | 48.58 | 68.45 | |||||||||||
1977 | 43.87 | 54.96 | 58.77 | a | 67.13 | 78.81 | 89.37 | 92.29 | 87.07 | a | 85.53 | 71.48 | 58.50 | 51.19 | 69.91 | |||||||||||
1978 | 36.68 | 39.57 | 59.77 | 70.20 | 72.52 | 87.00 | 95.58 | 88.29 | 83.83 | 71.97 | 52.00 | 39.10 | 66.38 | |||||||||||||
1979 | 29.50 | a | 48.00 | 56.83 | a | 67.13 | 70.10 | 85.17 | a | 90.45 | 87.35 | 83.73 | 72.81 | 48.13 | 51.03 | 65.85 | ||||||||||
1980 | 39.03 | 50.68 | a | 54.39 | 61.20 | 70.74 | 91.43 | 95.77 | 91.94 | 83.07 | 69.55 | 56.67 | 55.74 | 68.35 | ||||||||||||
1981 | 50.81 | 53.36 | 56.29 | 75.60 | 74.00 | 93.17 | 92.90 | 85.39 | 83.67 | 69.23 | 60.83 | 49.61 | 70.40 | |||||||||||||
1982 | 44.61 | 44.75 | 58.10 | 68.47 | 72.61 | 79.73 | 90.94 | 88.10 | a | 79.70 | 67.06 | 54.07 | 46.23 | a | 66.20 | |||||||||||
1983 | 46.94 | 50.75 | 51.52 | 58.63 | 69.74 | 83.77 | 95.06 | 93.52 | b | 85.67 | 70.90 | 55.33 | 34.57 | a | 66.37 | |||||||||||
1984 | 40.71 | 50.69 | 52.43 | a | 61.17 | 77.61 | 87.40 | 91.07 | a | 87.65 | 79.63 | 61.23 | a | 56.17 | a | 48.29 | 66.17 | |||||||||
1985 | 36.81 | 42.50 | 57.90 | 68.80 | 75.23 | 86.97 | 89.39 | 91.32 | 78.37 | 68.19 | 44.67 | 40.39 | 65.04 | |||||||||||||
1986 | 57.13 | a | 52.59 | a | 65.16 | 69.70 | 77.10 | 86.80 | 91.74 | 87.61 | 78.97 | 67.39 | 54.73 | 44.26 | 69.43 | |||||||||||
1987 | 45.29 | 50.21 | 54.97 | 70.30 | 73.81 | 86.87 | 94.71 | 87.00 | 80.17 | 71.06 | 55.53 | 42.68 | 67.72 | |||||||||||||
1988 | 33.16 | 46.03 | 58.63 | a | 67.40 | 76.16 | 87.10 | 92.13 | 92.19 | 81.93 | 72.19 | 58.10 | 46.94 | 67.66 | ||||||||||||
1989 | 50.10 | 39.37 | a | 65.97 | 71.30 | 78.42 | 79.05 | j | 91.31 | b | 86.86 | b | 79.44 | c | 70.55 | 61.57 | i | 42.16 | 67.55 | b | ||||||
1990 | 47.77 | 46.79 | 56.13 | 67.50 | 73.32 | 94.00 | g | 86.81 | 89.08 | f | 84.63 | 71.00 | e | 63.08 | d | 42.58 | 63.96 | b | ||||||||
1991 | 42.16 | 57.04 | 58.00 | a | 66.67 | 79.84 | 88.87 | 90.19 | 86.45 | 80.73 | 71.71 | 48.13 | 44.55 | 67.86 | ||||||||||||
1992 | 46.32 | 53.59 | 60.61 | 72.73 | 79.37 | a | 76.73 | o | 89.57 | a | 85.48 | 84.47 | 72.10 | 45.77 | 41.32 | 66.48 | a | |||||||||
1993 | 38.77 | a | 44.50 | 58.03 | 66.87 | 74.77 | 87.93 | a | 92.19 | 85.68 | 79.17 | 66.81 | 48.37 | 48.10 | 65.93 | |||||||||||
1994 | 48.77 | a | 49.79 | 63.61 | 66.33 | 77.03 | 92.00 | h | 92.16 | 89.87 | 83.87 | 67.83 | h | 54.73 | 51.48 | 67.76 | b | |||||||||
1995 | 49.42 | 56.61 | 58.90 | 56.82 | h | 68.13 | 80.30 | 89.97 | 94.13 | a | 79.07 | 71.00 | 62.00 | 50.71 | 69.11 | a | ||||||||||
1996 | 48.84 | 55.10 | 58.23 | 70.27 | 82.84 | 87.55 | a | 88.81 | d | 87.26 | 81.09 | h | 71.07 | d | 55.66 | a | 51.19 | 68.80 | a | |||||||
1997 | 46.17 | a | 46.61 | 64.97 | a | 62.70 | 75.87 | 85.60 | 94.34 | b | 85.19 | 82.54 | b | 70.07 | a | 50.17 | 40.39 | 67.05 | ||||||||
1998 | 47.45 | 48.50 | 55.61 | c | 65.20 | e | 81.53 | a | 87.17 | 92.06 | 86.90 | 85.50 | 69.42 | ----- | z | ----- | z | 71.93 | b | |||||||
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 93.61 | 93.03 | 86.41 | a | 69.06 | 47.50 | 46.93 | c | 72.76 | f | ||||
2001 | 44.84 | 48.57 | 55.10 | 71.93 | 75.87 | a | 89.67 | 96.45 | 92.23 | 83.77 | 73.61 | c | 59.80 | 49.39 | 70.10 | |||||||||||
2002 | 48.29 | 52.78 | a | 59.25 | c | 75.63 | 79.74 | 93.47 | 95.10 | a | 93.32 | 83.30 | 63.10 | 54.97 | 48.55 | 70.62 | ||||||||||
2003 | 53.32 | 45.86 | 61.06 | 71.03 | 79.10 | 81.83 | a | 100.68 | 93.53 | a | 81.10 | 77.00 | a | 56.13 | 53.29 | 71.16 | ||||||||||
2004 | 50.93 | b | 49.00 | c | 67.68 | c | 68.57 | b | 83.16 | 85.13 | 91.23 | 87.84 | 86.10 | 72.29 | c | 51.46 | b | 50.14 | b | 70.29 | ||||||
2005 | 48.66 | b | 53.07 | 58.26 | 68.97 | a | 78.60 | a | 89.87 | 98.23 | 92.77 | 89.10 | 73.65 | 64.37 | 48.59 | b | 72.01 | |||||||||
2006 | 56.44 | d | 52.67 | a | 59.19 | d | 76.59 | c | 82.26 | 94.00 | b | 95.16 | 88.52 | 76.73 | 69.29 | 60.00 | a | 46.03 | a | 71.41 | ||||||
2007 | 38.27 | a | 47.75 | 66.20 | a | 65.43 | 77.57 | a | 87.53 | 94.19 | 94.35 | 86.27 | 76.23 | a | 61.97 | a | 44.47 | a | 70.02 | |||||||
2008 | 47.20 | a | 51.69 | 60.20 | a | 68.72 | a | 78.97 | a | 90.60 | 94.37 | d | 87.13 | 82.77 | 71.30 | a | 60.10 | 48.65 | 70.14 | |||||||
2009 | 52.35 | 57.18 | 62.90 | a | 69.03 | 79.26 | 83.63 | 89.90 | 87.87 | 80.79 | a | 63.32 | 59.27 | 40.26 | 68.81 | |||||||||||
2010 | 47.13 | 41.11 | 58.16 | 67.33 | 75.71 | 90.03 | 92.87 | 91.19 | 89.03 | 72.19 | 56.30 | 49.39 | 69.20 | |||||||||||||
2011 | 43.94 | 47.29 | 61.94 | 70.93 | b | 75.57 | a | 92.50 | 96.23 | a | 95.00 | 82.90 | 70.87 | 56.87 | 40.13 | 69.51 | ||||||||||
2012 | 50.55 | 46.50 | a | 67.71 | 72.97 | 82.52 | 96.11 | c | 96.42 | 92.13 | 83.93 | 68.97 | 63.20 | 46.77 | 72.31 | |||||||||||
2013 | 46.74 | 47.82 | 59.77 | 63.86 | a | 78.26 | 92.97 | 90.35 | 90.42 | 85.72 | a | 68.13 | 56.43 | 47.06 | 68.96 | |||||||||||
2014 | 48.58 | 45.68 | 60.16 | 68.10 | 77.81 | 90.03 | 89.45 | 89.74 | 84.60 | 72.74 | 52.63 | 46.45 | 68.83 | |||||||||||||
2015 | 48.32 | 50.96 | 63.77 | 70.57 | 70.87 | 88.87 | 92.87 | 93.29 | 90.03 | 74.03 | 56.33 | 46.68 | 70.55 | |||||||||||||
2016 | 47.68 | 53.72 | 62.97 | 67.43 | 74.26 | 90.67 | 95.03 | 88.32 | 86.27 | 77.52 | 61.57 | 44.03 | 70.79 | |||||||||||||
2017 | 43.03 | 57.64 | 67.81 | 67.63 | 74.03 | 89.00 | 92.23 | 84.68 | 81.30 | 71.16 | 61.20 | 50.03 | 69.98 | |||||||||||||
2018 | 52.10 | 48.61 | 64.03 | 70.33 | 84.00 | 95.37 | 92.74 | 87.32 | 86.50 | 65.42 | 51.93 | 47.32 | 70.47 | |||||||||||||
2019 | 46.32 | 47.93 | 53.65 | 69.77 | 71.61 | 85.93 | 93.68 | 93.97 | 90.47 | 64.10 | 52.73 | 46.39 | 68.04 | |||||||||||||
2020 | 49.13 | 44.45 | 62.00 | 68.07 | 81.23 | a | 92.30 | 92.45 | 95.10 | 82.63 | 69.06 | 60.33 | 44.87 | 70.14 | ||||||||||||
2021 | 43.61 | 37.00 | 57.13 | 66.50 | 71.52 | 87.53 | 92.77 | 93.29 | 87.27 | 71.16 | 61.87 | 55.19 | 68.74 | |||||||||||||
2022 | 48.42 | 45.86 | 63.35 | h | 70.23 | 79.13 | 89.13 | 94.61 | 90.71 | 87.60 | 70.90 | 53.43 | 46.06 | 70.55 | a | |||||||||||
2023 | 42.16 | 50.71 | 55.68 | 68.33 | 76.10 | 82.30 | 93.03 | 91.83 | a | 86.07 | 71.00 | 60.20 | 49.61 | 68.92 | ||||||||||||
2024 | 42.61 | 53.55 | 59.09 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.08 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 45.59 | 49.60 | 58.48 | 67.78 | 76.55 | 87.80 | 92.33 | 89.60 | 82.61 | 70.16 | 55.64 | 46.52 | 68.66 | |||||||||||||
S.D. | 5.09 | 4.78 | 5.25 | 3.81 | 3.71 | 3.76 | 2.77 | 2.97 | 3.48 | 3.93 | 4.77 | 4.45 | 1.76 | |||||||||||||
SKEW | -0.55 | -0.30 | -0.44 | -0.42 | -0.12 | -0.09 | 0.37 | 0.14 | 0.10 | -0.83 | -0.50 | -0.43 | -0.07 | |||||||||||||
MAX | 57.13 | 58.17 | 67.81 | 76.59 | 84.00 | 96.11 | 100.68 | 95.10 | 90.47 | 78.69 | 64.37 | 55.74 | 72.31 | |||||||||||||
MIN | 29.50 | 37.00 | 44.87 | 56.76 | 68.13 | 79.73 | 86.81 | 84.68 | 74.67 | 56.29 | 42.67 | 34.57 | 65.04 | |||||||||||||
YRS | 65 | 66 | 63 | 64 | 66 | 61 | 67 | 65 | 64 | 66 | 65 | 63 | 51 |