YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1967 | ----- | z | ----- | z | 62.32 | 68.00 | b | 69.13 | 76.24 | a | 86.13 | 84.19 | 78.10 | 69.03 | 52.53 | 36.97 | 68.26 | b | ||||||||
1968 | 42.68 | 48.90 | 58.07 | a | 58.37 | 68.87 | a | 86.52 | a | 88.23 | 85.00 | 80.10 | 69.68 | 49.47 | 42.13 | 64.83 | ||||||||||
1969 | 45.74 | 49.70 | a | 49.00 | a | 70.07 | 76.71 | 77.70 | 90.52 | 90.68 | 81.70 | 53.68 | 53.50 | 45.40 | a | 65.37 | ||||||||||
1970 | 46.97 | 57.18 | 48.77 | 60.63 | 77.94 | 81.93 | 88.80 | a | 88.97 | 77.07 | 61.61 | 53.37 | 44.16 | 65.62 | ||||||||||||
1971 | 39.53 | a | 43.54 | 53.10 | 63.97 | 69.87 | a | 86.50 | 87.14 | b | 88.39 | 74.20 | 65.50 | a | 52.73 | 44.45 | 64.08 | |||||||||
1972 | 41.87 | a | 51.59 | 63.61 | 66.27 | 73.79 | b | 84.11 | b | 88.10 | b | 86.47 | a | 77.20 | 64.74 | 41.43 | 33.00 | 64.35 | ||||||||
1973 | 36.10 | a | 42.81 | b | 50.17 | b | 58.20 | 72.38 | b | 84.90 | 86.68 | 90.13 | 73.97 | 71.47 | a | 47.79 | a | 42.07 | a | 63.05 | ||||||
1974 | 36.90 | 50.11 | a | 58.68 | 63.87 | 79.32 | 86.10 | 91.00 | a | 84.61 | 76.00 | 66.35 | 53.86 | a | 46.10 | 66.08 | ||||||||||
1975 | 48.03 | b | 48.79 | 55.33 | a | 60.70 | 70.61 | 82.14 | b | 89.77 | 89.42 | 78.30 | 72.94 | 51.40 | 44.79 | b | 66.02 | |||||||||
1976 | 40.33 | a | 54.21 | 52.87 | a | 64.60 | 73.84 | 82.30 | c | 90.13 | a | 87.32 | 76.43 | b | 66.58 | 49.71 | b | 49.81 | 65.68 | |||||||
1977 | 41.26 | 52.92 | b | 56.61 | 65.80 | 77.35 | 89.60 | 91.52 | 84.90 | 85.10 | 71.58 | 54.53 | 47.45 | 68.22 | ||||||||||||
1978 | 34.13 | 37.43 | 58.34 | b | 64.90 | 68.26 | 82.73 | 90.19 | 86.03 | b | 81.80 | 67.13 | a | 47.90 | 32.58 | 62.62 | ||||||||||
1979 | 27.13 | 44.82 | 53.45 | 65.71 | b | 67.03 | 81.60 | 89.29 | 84.06 | 82.53 | 68.13 | 43.80 | 41.29 | 62.40 | ||||||||||||
1980 | 32.58 | 40.21 | 47.43 | a | 61.03 | 69.58 | 88.20 | 92.00 | 87.29 | 82.77 | 67.06 | 53.63 | 54.76 | b | 64.71 | |||||||||||
1981 | 48.77 | 49.29 | 53.10 | 70.57 | 68.10 | 85.30 | 89.10 | 83.65 | 82.87 | 63.61 | 58.30 | 45.00 | 66.47 | |||||||||||||
1982 | 41.87 | a | 47.32 | 56.13 | 64.60 | 70.00 | 77.60 | 87.71 | 88.29 | 74.43 | 63.39 | 48.53 | 41.50 | a | 63.45 | |||||||||||
1983 | 46.13 | 51.75 | 49.97 | 53.53 | 65.48 | 77.27 | 88.16 | 90.61 | 82.10 | 69.45 | 48.83 | 26.26 | 62.46 | |||||||||||||
1984 | 34.61 | 43.38 | 49.42 | 54.23 | 75.90 | 81.37 | 90.23 | a | 87.03 | 74.40 | 57.35 | 53.33 | 41.81 | 61.92 | ||||||||||||
1985 | 35.00 | a | 38.75 | 56.84 | 66.60 | 75.13 | 83.52 | a | 88.06 | 88.00 | 72.13 | 64.84 | 38.23 | 34.87 | 61.83 | |||||||||||
1986 | 45.31 | b | 47.82 | 63.42 | 64.07 | 71.81 | 84.47 | 88.52 | 87.16 | 74.47 | 63.20 | a | 49.30 | 43.84 | 65.28 | |||||||||||
1987 | 44.37 | a | 48.11 | 50.71 | 69.13 | 73.00 | 84.70 | 90.84 | 84.00 | 77.97 | 67.70 | a | 51.67 | 38.90 | 65.09 | |||||||||||
1988 | 32.90 | 47.19 | b | 52.00 | a | 66.73 | 73.55 | 88.20 | 89.77 | a | 88.74 | 77.48 | a | 69.26 | 53.03 | a | 41.32 | 65.01 | ||||||||
1989 | 45.87 | 32.30 | a | 56.74 | 65.48 | a | 74.55 | 78.87 | 91.13 | 84.71 | 75.55 | a | 65.45 | 55.07 | 37.55 | 63.61 | ||||||||||
1990 | 46.61 | 44.32 | 51.23 | 62.73 | 70.58 | 87.80 | 83.90 | 85.81 | 81.33 | 65.84 | 55.23 | 34.87 | a | 64.19 | ||||||||||||
1991 | 36.13 | 53.68 | 56.68 | 60.97 | 74.94 | 84.33 | 87.68 | 86.29 | 78.67 | 66.71 | 43.90 | 44.61 | 64.55 | |||||||||||||
1992 | 41.90 | 52.45 | 55.58 | 69.60 | 74.03 | 80.00 | 83.19 | 81.61 | 81.50 | 68.39 | 43.50 | 31.90 | 63.64 | |||||||||||||
1993 | 31.52 | 36.67 | a | 54.81 | 60.30 | 72.71 | 79.33 | 86.00 | 83.29 | 73.90 | 62.00 | 44.20 | 42.68 | 60.62 | ||||||||||||
1994 | 44.58 | 38.43 | 58.94 | 62.23 | 78.00 | a | 89.00 | 87.90 | 88.10 | 82.40 | 63.40 | a | 46.93 | 45.00 | 65.41 | |||||||||||
1995 | 42.52 | 48.79 | 55.16 | 56.57 | 60.97 | 77.10 | 88.42 | 91.68 | 75.50 | 64.32 | 56.55 | a | 45.16 | 63.56 | ||||||||||||
1996 | 40.13 | 47.55 | 52.48 | 64.40 | 72.87 | 84.77 | 86.65 | 87.71 | 75.80 | 66.23 | 49.30 | 46.35 | 64.52 | |||||||||||||
1997 | 35.77 | 42.43 | 59.90 | 56.21 | a | 73.52 | 83.50 | 90.29 | 84.19 | 80.23 | 66.23 | a | 48.13 | 41.03 | 63.45 | |||||||||||
1998 | 44.50 | a | 47.57 | 52.13 | 62.30 | 76.71 | 79.10 | 90.90 | 89.13 | 85.03 | 63.37 | a | 55.03 | 39.71 | 65.46 | |||||||||||
1999 | 45.32 | 55.26 | a | 61.42 | 57.66 | a | 70.97 | 81.93 | 90.39 | 86.73 | a | 73.93 | 68.48 | 61.34 | a | 48.90 | a | 66.86 | ||||||||
2000 | 46.42 | 53.93 | 54.00 | 68.60 | 77.32 | 83.34 | a | 92.84 | 90.80 | a | 79.10 | 63.90 | 41.97 | 39.84 | 66.01 | |||||||||||
2001 | 41.74 | 39.18 | 53.13 | 64.20 | 71.39 | 86.43 | 92.10 | 89.58 | 82.83 | 65.45 | 55.67 | 46.42 | 65.68 | |||||||||||||
2002 | 42.13 | 49.57 | 51.21 | b | 67.90 | 74.70 | a | 91.33 | 96.06 | 90.33 | a | 81.40 | 59.58 | 49.37 | 45.48 | 66.59 | ||||||||||
2003 | 50.35 | 42.64 | 59.07 | a | 67.80 | 75.35 | 81.13 | 100.16 | 94.48 | 77.63 | 72.35 | 47.30 | 42.80 | a | 67.59 | |||||||||||
2004 | 42.40 | a | 46.04 | a | 67.33 | d | 67.50 | f | 81.13 | h | 83.13 | g | 89.15 | d | 90.36 | f | 84.88 | f | 70.79 | g | 50.83 | f | 47.31 | b | 58.45 | g |
2005 | 46.45 | i | 53.14 | 60.55 | b | 65.96 | b | 76.03 | a | 83.90 | a | 96.16 | l | 88.96 | g | 86.29 | b | 70.11 | d | 58.70 | c | 42.04 | c | 66.30 | c | |
2006 | 54.37 | d | 48.00 | b | 54.25 | c | 74.90 | 82.45 | b | 97.00 | b | 96.94 | 92.00 | e | 78.08 | e | 67.27 | a | 54.80 | 41.24 | b | 70.11 | ||||
2007 | 34.14 | b | 37.89 | a | 65.10 | 68.00 | 80.33 | a | 90.30 | 95.57 | a | 91.31 | b | 85.00 | a | 75.52 | b | 59.76 | a | 35.68 | 68.22 | |||||
2008 | 37.70 | a | 51.93 | b | 61.93 | a | 68.79 | b | 78.13 | a | 88.70 | 96.82 | c | 88.23 | a | 80.37 | 69.71 | 60.77 | 40.26 | 68.61 | ||||||
2009 | 49.42 | 56.32 | 64.61 | 67.53 | 78.97 | 82.07 | 90.23 | 89.42 | 83.33 | 61.16 | 57.87 | 37.00 | 68.16 | |||||||||||||
2010 | 44.29 | 44.93 | 61.26 | 67.60 | 73.55 | 87.40 | 93.90 | 93.52 | 90.03 | a | 75.32 | 53.23 | 50.23 | 69.61 | ||||||||||||
2011 | 44.71 | 48.41 | a | 63.84 | 69.07 | a | 71.90 | 89.62 | a | 94.81 | 93.68 | 82.79 | a | 70.65 | 56.80 | 40.52 | 68.90 | |||||||||
2012 | 52.97 | 46.00 | 70.55 | 75.23 | 81.13 | 94.57 | 95.19 | 92.20 | a | 84.87 | 64.97 | a | 54.59 | a | 44.84 | 71.42 | ||||||||||
2013 | 44.10 | 45.93 | 54.87 | 59.23 | 75.74 | 89.80 | 89.42 | 89.81 | 82.63 | 66.19 | 56.23 | 42.03 | 66.33 | |||||||||||||
2014 | 46.23 | 40.46 | 60.39 | 68.40 | 73.29 | 83.53 | 88.45 | 85.83 | b | 81.80 | 71.77 | 50.50 | 43.55 | 66.18 | ||||||||||||
2015 | 45.84 | 51.36 | 64.55 | 66.83 | 66.39 | 85.40 | 88.84 | 90.39 | 86.80 | 71.68 | 52.03 | 39.45 | 67.46 | |||||||||||||
2016 | 41.48 | 52.76 | 59.55 | 65.63 | 70.26 | 89.57 | 92.26 | 87.45 | 84.40 | 76.00 | 63.13 | 38.16 | 68.39 | |||||||||||||
2017 | 42.42 | 57.29 | 67.87 | 67.57 | 73.10 | 86.73 | 92.23 | 85.97 | a | 80.83 | a | 68.77 | 62.23 | 46.87 | 69.32 | |||||||||||
2018 | 46.90 | 46.25 | 61.45 | 67.87 | 77.68 | 89.00 | 90.10 | 88.55 | 86.37 | 65.81 | 52.20 | 44.58 | 68.06 | |||||||||||||
2019 | 46.84 | 41.75 | 50.11 | d | 68.83 | 67.71 | 82.23 | 90.19 | 89.64 | c | 87.57 | 64.45 | 53.47 | 42.61 | 65.45 | |||||||||||
2020 | 49.29 | 47.41 | 60.00 | 67.30 | 78.97 | 90.63 | 94.74 | 95.71 | 85.07 | 67.42 | 59.63 | 47.77 | 70.33 | |||||||||||||
2021 | 46.13 | 40.61 | 57.29 | 66.57 | 74.10 | 90.40 | 93.42 | 92.32 | 89.13 | 72.13 | 64.50 | 54.58 | 70.10 | |||||||||||||
2022 | 41.90 | 44.39 | 60.26 | 70.37 | 77.61 | 89.57 | 96.58 | 93.35 | 87.67 | 71.57 | a | 51.10 | a | 41.81 | 68.85 | |||||||||||
2023 | 36.84 | 45.46 | 53.45 | 68.63 | 76.19 | 80.10 | 89.58 | 89.35 | 85.47 | 70.81 | 59.23 | 51.74 | 67.24 | |||||||||||||
2024 | 43.55 | 53.10 | 60.74 | 69.53 | 73.00 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.73 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.31 | 47.02 | 57.10 | 65.13 | 73.57 | 84.85 | 90.50 | 88.33 | 80.61 | 67.09 | 52.52 | 42.51 | 65.91 | |||||||||||||
S.D. | 5.59 | 5.64 | 5.36 | 4.63 | 4.25 | 4.53 | 3.34 | 3.13 | 4.46 | 4.31 | 5.71 | 5.39 | 2.46 | |||||||||||||
SKEW | -0.44 | -0.30 | 0.31 | -0.52 | -0.38 | 0.21 | 0.56 | 0.16 | 0.04 | -0.38 | -0.19 | -0.34 | 0.16 | |||||||||||||
MAX | 54.37 | 57.29 | 70.55 | 75.23 | 82.45 | 97.00 | 100.16 | 95.71 | 90.03 | 76.00 | 64.50 | 54.76 | 71.42 | |||||||||||||
MIN | 27.13 | 32.30 | 47.43 | 53.53 | 60.97 | 76.24 | 83.19 | 81.61 | 72.13 | 53.68 | 38.23 | 26.26 | 60.62 | |||||||||||||
YRS | 56 | 57 | 58 | 57 | 56 | 56 | 56 | 55 | 56 | 56 | 56 | 57 | 54 |