YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 94.14 | b | 84.00 | a | 80.39 | b | 72.70 | a | 68.70 | 54.55 | 75.75 | f | ||
1967 | 58.00 | 58.65 | b | 71.74 | 78.33 | 82.00 | b | 87.83 | a | 88.06 | 86.68 | 79.56 | e | 76.41 | b | 63.80 | 50.19 | 73.44 | ||||||||
1968 | 52.58 | 54.55 | 62.26 | d | 69.87 | 79.84 | 89.93 | 87.23 | 86.94 | 82.50 | 77.06 | 59.33 | 56.50 | a | 71.55 | |||||||||||
1969 | 59.77 | 55.21 | 54.13 | 74.80 | 82.43 | a | 88.70 | 95.55 | 92.68 | 80.93 | 67.10 | 62.77 | 57.26 | 72.61 | ||||||||||||
1970 | 51.48 | 59.04 | 58.23 | 72.50 | 84.71 | 90.30 | 93.90 | 92.16 | 83.60 | 69.94 | 62.72 | a | 61.45 | 73.34 | ||||||||||||
1971 | 56.06 | 55.67 | a | 66.26 | 73.07 | 81.97 | 91.00 | 92.23 | 82.65 | 80.13 | 73.61 | 63.73 | 54.13 | 72.54 | ||||||||||||
1972 | 57.10 | 61.28 | 72.61 | 79.50 | 78.45 | 89.33 | ----- | z | 86.29 | 82.60 | 73.48 | 52.67 | 51.42 | 71.34 | a | |||||||||||
1973 | 45.19 | 52.54 | 61.68 | 66.53 | 79.97 | 89.63 | 89.87 | 90.39 | 82.10 | 79.16 | 68.10 | 58.74 | 71.99 | |||||||||||||
1974 | 53.65 | 60.96 | 72.94 | 76.70 | 87.23 | 92.00 | 94.00 | 84.53 | a | 73.13 | 70.68 | 60.53 | 52.61 | 73.25 | ||||||||||||
1975 | 52.97 | 52.37 | a | 63.71 | 73.10 | 81.29 | 91.77 | 85.87 | 87.90 | 79.07 | 78.17 | a | 65.70 | 57.52 | 72.45 | |||||||||||
1976 | 55.68 | 66.55 | 66.35 | 75.57 | 78.94 | 90.00 | 85.94 | 91.10 | 80.62 | a | 66.90 | 55.30 | 55.23 | 72.35 | ||||||||||||
1977 | 46.26 | 59.14 | 64.87 | 71.00 | 82.42 | 93.47 | 93.16 | 91.13 | 89.33 | 75.61 | 67.03 | 57.97 | 74.28 | |||||||||||||
1978 | 43.87 | 43.39 | 65.00 | 79.90 | 81.39 | 91.20 | 95.13 | 89.87 | 82.10 | 74.39 | 57.63 | 50.84 | 71.23 | |||||||||||||
1979 | 40.77 | 54.36 | 61.94 | 72.90 | 78.61 | 85.70 | 90.26 | 86.39 | 85.03 | 79.32 | 56.10 | 53.26 | 70.39 | |||||||||||||
1980 | 51.74 | 56.07 | 64.27 | a | 72.03 | 79.29 | 97.57 | 98.13 | 92.32 | 83.10 | 72.33 | a | 56.97 | a | 58.90 | 73.56 | ||||||||||
1981 | 54.19 | 60.14 | 61.70 | a | 75.43 | 81.03 | 92.00 | 92.35 | 83.87 | 81.33 | 70.19 | 66.47 | 57.71 | 73.04 | ||||||||||||
1982 | 52.84 | 53.25 | 65.74 | 71.07 | 79.84 | 84.97 | 91.87 | 92.06 | 87.53 | 73.94 | 58.87 | 48.19 | 71.68 | |||||||||||||
1983 | 44.61 | 53.07 | 63.06 | 66.70 | 80.77 | 86.33 | 93.77 | 93.68 | 88.27 | 73.45 | 62.23 | 42.35 | 70.69 | |||||||||||||
1984 | 50.19 | 59.55 | 63.52 | 71.27 | 84.00 | 87.40 | 88.55 | 87.29 | 81.79 | a | 68.00 | 59.67 | 53.74 | 71.25 | ||||||||||||
1985 | 48.00 | 52.61 | 66.48 | 77.97 | 84.03 | 85.93 | 92.35 | 93.26 | 83.20 | 70.19 | 63.43 | 50.71 | 72.35 | |||||||||||||
1986 | ----- | z | 57.32 | 68.74 | 77.07 | 82.74 | 84.57 | 91.61 | 87.68 | 80.63 | 68.90 | 58.30 | 49.61 | 73.38 | a | |||||||||||
1987 | 49.58 | 55.00 | 60.23 | 72.53 | 79.77 | 87.13 | 90.87 | 88.35 | 80.70 | 76.00 | 63.40 | 50.32 | 71.16 | |||||||||||||
1988 | 46.68 | 58.17 | 66.26 | 72.28 | a | 80.39 | 87.47 | 87.39 | 88.26 | 82.80 | 76.00 | 66.90 | 54.00 | 72.22 | ||||||||||||
1989 | 58.19 | 51.21 | 70.29 | 78.17 | 85.52 | 83.97 | 91.13 | 86.65 | 80.50 | 78.77 | 66.37 | 48.81 | 73.30 | |||||||||||||
1990 | 56.68 | 60.82 | 61.13 | 72.30 | 81.29 | 98.90 | 87.97 | 87.97 | 84.03 | 75.03 | 65.27 | 53.61 | 73.75 | |||||||||||||
1991 | 46.70 | a | 62.57 | 67.10 | 77.30 | 86.90 | 90.17 | a | 88.74 | 88.48 | 76.07 | 76.45 | 54.87 | 51.80 | a | 72.26 | ||||||||||
1992 | 48.55 | 60.69 | 69.90 | 73.23 | 76.84 | 84.40 | 91.61 | 88.07 | a | 84.67 | 79.50 | a | 57.39 | b | 52.77 | 72.30 | ||||||||||
1993 | 49.13 | 55.32 | 64.64 | c | ----- | z | 83.00 | b | 91.48 | a | 92.39 | 91.77 | 84.47 | 72.71 | 58.53 | 59.26 | 72.97 | a | ||||||||
1994 | 57.48 | 58.79 | 67.58 | 76.00 | 78.61 | 96.52 | a | 95.23 | a | 91.10 | 86.00 | 75.76 | b | 63.52 | a | 58.34 | b | 75.41 | ||||||||
1995 | 54.84 | 64.81 | a | 65.58 | 71.38 | a | 80.30 | a | 89.59 | a | 95.23 | 90.77 | 80.83 | 76.70 | a | 66.73 | ----- | z | 76.07 | a | ||||||
1996 | 55.86 | b | 64.71 | a | 65.87 | 76.27 | 91.52 | 92.27 | 91.53 | a | 86.13 | a | 81.60 | 75.73 | a | 64.67 | 59.19 | 75.45 | ||||||||
1997 | 48.93 | b | 50.26 | a | 70.97 | a | 65.60 | 78.77 | 86.59 | a | 92.48 | 90.84 | 87.80 | 75.03 | 60.53 | 49.97 | 71.48 | |||||||||
1998 | 58.94 | 55.75 | 62.71 | 72.93 | 90.23 | 98.03 | 98.61 | 89.16 | 91.37 | 76.71 | 66.03 | 54.71 | 76.27 | |||||||||||||
1999 | 57.81 | 67.25 | 61.84 | 71.93 | 79.19 | 87.47 | 91.13 | 92.23 | 81.77 | 77.67 | a | 72.07 | a | 54.48 | 74.57 | |||||||||||
2000 | 59.19 | 68.62 | 67.61 | 76.67 | 90.29 | 85.13 | 94.71 | 93.87 | 89.43 | 72.61 | 53.36 | b | 46.93 | a | 74.87 | |||||||||||
2001 | 47.45 | b | 57.61 | 58.29 | 79.00 | 84.52 | 93.70 | 97.39 | 91.52 | 85.10 | a | 77.42 | 63.93 | 55.63 | a | 74.30 | ||||||||||
2002 | 56.26 | 55.36 | 65.13 | a | 75.97 | 87.03 | 93.13 | 92.97 | a | 93.32 | 85.66 | a | 69.10 | a | 57.87 | 52.90 | 73.72 | |||||||||
2003 | 57.13 | 54.32 | 68.77 | 78.17 | 85.23 | 85.65 | d | 95.00 | 93.77 | 81.80 | 77.50 | a | 63.47 | 58.42 | 74.94 | |||||||||||
2004 | 54.58 | 52.41 | 67.77 | 71.00 | 86.67 | a | 89.70 | 90.24 | b | 87.48 | 82.67 | 72.39 | 54.47 | 54.61 | 72.00 | |||||||||||
2005 | 54.67 | a | 55.12 | b | 62.03 | a | 73.33 | 79.32 | 91.80 | 91.55 | 87.61 | 88.70 | 75.03 | 69.33 | 57.03 | 73.79 | ||||||||||
2006 | 63.87 | 61.96 | 65.90 | a | 80.57 | 88.94 | 93.97 | 94.00 | c | 89.55 | 79.20 | 74.03 | a | 67.83 | 53.84 | 76.14 | ||||||||||
2007 | 44.48 | 59.14 | 68.23 | 68.53 | 76.53 | a | 86.40 | 89.55 | 91.52 | 86.30 | 80.74 | 66.53 | 55.23 | 72.77 | ||||||||||||
2008 | 55.45 | 62.83 | 68.16 | 75.40 | 83.35 | 95.77 | 88.68 | 89.13 | 80.60 | 75.13 | a | 68.40 | 57.45 | 75.03 | ||||||||||||
2009 | 59.32 | 66.07 | 70.71 | 76.03 | 82.61 | 91.60 | 92.55 | 92.65 | 83.70 | 72.61 | 69.17 | 48.77 | 75.48 | |||||||||||||
2010 | 53.06 | 48.43 | 64.19 | 74.27 | 80.77 | a | 94.83 | 87.32 | 93.74 | 89.60 | 79.23 | 66.60 | 60.32 | 74.36 | ||||||||||||
2011 | 56.39 | 57.07 | 73.84 | 83.07 | 86.13 | 100.93 | 98.77 | 100.58 | 86.97 | 77.45 | 65.13 | 45.55 | 77.66 | |||||||||||||
2012 | 60.90 | 56.07 | 73.58 | 83.30 | 86.52 | 94.47 | 95.00 | 94.52 | 86.60 | 75.26 | 71.13 | 58.06 | 77.95 | |||||||||||||
2013 | 53.16 | 56.96 | 68.61 | 74.97 | 85.45 | 93.10 | 89.90 | 90.87 | 87.53 | 76.29 | 59.87 | 52.42 | 74.10 | |||||||||||||
2014 | 55.16 | 56.18 | 65.03 | 74.70 | 81.71 | 89.53 | 89.42 | 91.32 | 78.63 | 77.90 | 58.50 | 54.84 | 72.74 | |||||||||||||
2015 | 48.77 | 58.14 | 63.23 | 74.67 | 75.71 | 87.07 | 91.23 | 90.61 | 88.83 | 74.23 | 63.43 | 56.42 | 72.69 | |||||||||||||
2016 | 53.16 | 63.03 | 72.19 | 75.53 | 80.65 | 88.83 | 98.10 | 90.26 | 82.53 | 79.94 | 67.13 | 54.26 | 75.47 | |||||||||||||
2017 | 51.81 | 64.39 | 73.19 | 76.43 | 84.19 | 94.33 | 92.42 | 85.90 | 84.00 | 75.45 | 70.20 | 57.90 | 75.85 | |||||||||||||
2018 | 55.97 | 61.36 | 71.10 | 76.50 | 91.68 | 95.80 | 93.16 | 90.29 | 82.23 | 69.23 | 58.33 | 52.52 | 74.85 | |||||||||||||
2019 | 55.55 | 60.25 | 61.58 | 74.83 | 78.45 | 88.37 | 93.65 | 95.48 | 88.20 | 69.87 | 59.43 | 58.03 | 73.64 | |||||||||||||
2020 | 57.03 | 54.10 | 66.84 | 74.63 | 87.71 | 93.10 | 97.52 | 96.06 | 83.37 | 74.84 | 68.70 | 56.48 | 75.87 | |||||||||||||
2021 | 50.74 | 49.61 | 67.42 | 71.40 | 80.23 | 90.63 | 88.48 | 89.58 | 89.70 | 79.94 | 67.83 | 66.71 | 74.36 | |||||||||||||
2022 | 53.52 | 54.11 | 67.23 | 78.97 | 88.58 | 92.33 | 98.26 | 89.68 | 86.53 | 72.90 | 59.07 | 53.61 | 74.57 | |||||||||||||
2023 | 57.42 | 58.32 | 67.77 | 74.00 | 81.55 | 90.33 | 95.58 | 96.68 | 89.87 | 75.10 | 64.53 | 58.26 | 75.78 | |||||||||||||
2024 | 49.87 | 62.79 | 66.94 | 75.33 | 82.00 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.73 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 53.14 | 57.68 | 66.12 | 74.61 | 82.76 | 90.60 | 92.35 | 90.15 | 83.75 | 74.62 | 62.94 | 54.50 | 73.64 | |||||||||||||
S.D. | 4.87 | 4.98 | 4.14 | 3.66 | 3.86 | 3.92 | 3.31 | 3.42 | 3.74 | 3.44 | 4.84 | 4.22 | 1.74 | |||||||||||||
SKEW | -0.39 | -0.09 | -0.23 | -0.09 | 0.54 | 0.41 | 0.09 | 0.27 | -0.08 | -0.41 | -0.25 | -0.21 | 0.32 | |||||||||||||
MAX | 63.87 | 68.62 | 73.84 | 83.30 | 91.68 | 100.93 | 98.77 | 100.58 | 91.37 | 80.74 | 72.07 | 66.71 | 77.95 | |||||||||||||
MIN | 40.77 | 43.39 | 54.13 | 65.60 | 75.71 | 83.97 | 85.87 | 82.65 | 73.13 | 66.90 | 52.67 | 42.35 | 70.39 | |||||||||||||
YRS | 57 | 58 | 58 | 57 | 57 | 57 | 57 | 58 | 58 | 58 | 58 | 57 | 53 |