YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1970 | ----- | z | ----- | z | 65.13 | 67.43 | 79.77 | 85.80 | 95.35 | 93.32 | 87.60 | 75.58 | 63.17 | 51.42 | 76.46 | b | ||||||||||
1971 | 55.03 | 59.61 | 61.29 | 66.90 | 72.45 | 83.03 | 94.61 | 95.10 | 88.53 | 75.61 | 63.67 | 51.77 | 72.30 | |||||||||||||
1972 | 52.16 | 58.79 | 69.81 | 68.83 | 79.65 | 87.53 | 93.00 | 93.35 | 83.57 | 70.55 | 58.93 | 49.77 | 72.16 | |||||||||||||
1973 | 52.81 | 57.89 | a | 59.32 | 72.77 | 82.23 | 89.10 | 92.90 | 91.48 | 84.57 | 75.10 | 59.60 | 55.35 | 72.76 | ||||||||||||
1974 | 53.77 | 57.96 | 61.58 | 66.87 | 78.94 | 87.23 | 90.84 | 93.16 | 92.10 | 79.77 | 63.17 | 54.45 | 73.32 | |||||||||||||
1975 | 55.87 | 57.68 | 59.00 | 62.13 | 79.55 | 86.23 | 88.81 | 89.35 | 90.10 | 72.94 | 61.97 | 59.10 | 71.89 | |||||||||||||
1976 | 59.74 | 60.28 | 64.35 | 66.57 | 82.87 | 85.93 | 92.81 | 83.97 | 85.60 | 80.35 | 67.37 | 60.81 | 74.22 | |||||||||||||
1977 | 52.42 | 63.93 | 61.71 | 75.57 | 69.35 | 89.67 | 92.74 | 93.06 | 83.23 | 78.29 | 66.10 | 58.00 | 73.67 | |||||||||||||
1978 | 56.29 | 57.64 | 64.97 | 65.17 | 78.84 | 84.37 | 92.68 | 93.00 | 83.53 | 82.68 | 61.63 | 51.90 | 72.72 | |||||||||||||
1979 | 53.35 | 56.54 | 62.52 | 67.53 | 78.84 | 88.37 | 91.84 | 89.65 | 90.43 | 75.65 | 61.47 | 59.13 | 72.94 | |||||||||||||
1980 | 55.32 | 60.04 | e | 62.48 | 69.30 | 74.81 | 80.00 | 91.23 | 89.35 | 85.73 | 80.29 | 67.50 | 57.35 | 72.78 | ||||||||||||
1981 | 54.23 | 61.61 | 61.84 | 72.87 | 80.39 | 93.17 | 95.00 | 93.39 | 88.27 | 72.84 | 63.83 | 57.29 | 74.56 | |||||||||||||
1982 | 51.35 | 60.54 | 59.35 | 65.50 | 80.57 | a | 81.40 | 90.10 | 90.52 | 83.43 | 74.77 | 57.77 | 55.00 | 70.86 | ||||||||||||
1983 | 52.23 | 58.00 | 59.35 | 63.03 | 78.26 | 85.48 | a | 88.03 | 91.55 | 87.93 | 78.26 | 61.47 | 55.16 | 71.56 | ||||||||||||
1984 | 57.68 | 58.93 | 69.19 | 68.87 | 83.52 | 87.43 | 96.90 | 93.13 | 91.33 | 72.26 | 58.83 | 52.06 | 74.18 | |||||||||||||
1985 | 51.77 | 62.22 | a | 60.90 | 75.53 | 77.42 | 91.80 | 95.77 | 90.16 | 80.80 | 76.55 | 59.70 | 51.39 | 72.84 | ||||||||||||
1986 | 57.90 | a | 61.29 | 67.87 | 70.50 | 79.39 | 87.30 | 90.90 | 95.45 | 79.87 | 77.26 | 69.77 | 55.29 | 74.40 | ||||||||||||
1987 | 52.44 | m | 60.14 | 63.29 | 78.57 | 82.84 | 89.47 | 87.39 | 92.45 | 88.93 | 81.19 | 62.67 | 53.57 | a | 76.41 | a | ||||||||||
1988 | 55.80 | a | 65.45 | 69.81 | 71.03 | 74.84 | 85.10 | 97.84 | 92.10 | 89.60 | 82.16 | 61.60 | 56.55 | 75.16 | ||||||||||||
1989 | 55.29 | 55.79 | 62.45 | 74.77 | 77.77 | 85.57 | 94.84 | 90.77 | 84.23 | 75.42 | 68.00 | 57.48 | 73.53 | |||||||||||||
1990 | 56.32 | 57.71 | 67.71 | 75.97 | 75.97 | 86.83 | 94.90 | 92.61 | 89.40 | 82.55 | 65.73 | 54.19 | 74.99 | |||||||||||||
1991 | 58.40 | a | 66.57 | 58.00 | a | 69.40 | 75.32 | 83.83 | 94.74 | 88.94 | 93.13 | 85.29 | 68.03 | 56.90 | 74.88 | |||||||||||
1992 | 53.35 | 62.86 | 65.45 | 75.47 | 86.84 | 86.67 | 92.06 | ----- | z | 90.67 | 81.19 | 66.67 | 53.68 | 74.08 | a | |||||||||||
1993 | 53.52 | 57.14 | 67.68 | 70.10 | 76.29 | 86.37 | 92.03 | 91.74 | 89.93 | 78.55 | 66.07 | 54.58 | 73.67 | |||||||||||||
1994 | 58.77 | 57.89 | 69.58 | 72.80 | 78.39 | 88.60 | 96.06 | 95.53 | a | 89.93 | 77.77 | 57.93 | 51.97 | 74.60 | ||||||||||||
1995 | 54.39 | 61.54 | 60.74 | 68.53 | 73.65 | ----- | z | 90.81 | 93.74 | 89.87 | 80.81 | 72.00 | 59.48 | 73.23 | a | |||||||||||
1996 | 58.13 | 61.17 | 67.13 | 71.67 | 78.19 | 88.83 | 97.84 | 97.06 | 88.10 | 77.90 | 65.43 | 58.10 | 75.80 | |||||||||||||
1997 | 55.71 | 64.11 | 70.65 | 73.50 | 86.19 | 88.00 | 94.13 | 91.06 | 89.57 | 76.97 | 65.03 | 57.26 | 76.01 | |||||||||||||
1998 | 55.39 | 55.29 | 64.77 | 67.10 | 66.48 | 79.30 | 94.00 | 95.68 | 88.17 | 76.19 | 62.17 | 55.71 | 71.69 | |||||||||||||
1999 | 55.16 | 56.71 | 61.06 | 69.67 | 79.00 | 86.33 | 92.13 | 90.65 | 91.50 | 82.39 | 65.97 | 62.71 | 74.44 | |||||||||||||
2000 | 57.77 | 57.14 | a | 65.70 | a | 74.37 | 79.71 | 90.93 | 89.97 | 93.39 | 86.40 | 75.19 | 60.50 | 58.70 | a | 74.15 | ||||||||||
2001 | 56.60 | a | 57.61 | 69.45 | 69.23 | 88.77 | 90.23 | 92.00 | 95.19 | 89.83 | 82.81 | 65.73 | 55.16 | 76.05 | ||||||||||||
2002 | 55.42 | 63.11 | 65.45 | 71.90 | 78.97 | 90.57 | 95.97 | 94.52 | 91.90 | 80.29 | 68.90 | 57.97 | 76.25 | |||||||||||||
2003 | 60.13 | 61.75 | 68.87 | 64.50 | 78.65 | 90.33 | 99.42 | 92.61 | 93.37 | 86.74 | 61.73 | 56.03 | 76.18 | |||||||||||||
2004 | 55.55 | 59.59 | 74.97 | 75.57 | 81.06 | 90.17 | 94.26 | 94.23 | 90.87 | 76.03 | 63.80 | 58.58 | 76.22 | |||||||||||||
2005 | 53.94 | 62.29 | 67.84 | 70.50 | 76.77 | 82.17 | 99.48 | 96.97 | 87.07 | 78.84 | 69.77 | 59.16 | 75.40 | |||||||||||||
2006 | 59.19 | 64.54 | 57.61 | 66.07 | 82.19 | 91.27 | 99.55 | 92.45 | 89.80 | 77.29 | 65.30 | 58.52 | 75.31 | |||||||||||||
2007 | 59.84 | 60.96 | 72.71 | 74.40 | 83.74 | 90.37 | 94.68 | 95.77 | 86.23 | 74.74 | 71.57 | 56.97 | 76.83 | |||||||||||||
2008 | 54.00 | 61.66 | 69.03 | 73.17 | 82.00 | 91.47 | 96.23 | 97.55 | 92.33 | 81.16 | 68.50 | 56.29 | 76.95 | |||||||||||||
2009 | 62.65 | 59.00 | ----- | z | 73.07 | 83.39 | 85.87 | 96.74 | 95.19 | 94.50 | 75.71 | 67.47 | 55.23 | 77.16 | a | |||||||||||
2010 | 55.23 | 60.29 | 66.29 | 65.03 | 73.13 | 87.13 | 94.94 | 92.00 | 90.20 | 77.94 | 66.47 | 56.81 | 73.79 | |||||||||||||
2011 | 57.52 | 60.82 | 61.19 | 70.30 | 73.97 | 81.43 | 90.90 | 93.81 | 93.37 | 77.84 | 62.77 | 61.00 | 73.74 | |||||||||||||
2012 | 62.19 | 64.31 | 61.77 | 71.23 | 82.03 | 88.07 | 93.03 | 98.40 | a | 92.76 | a | 80.39 | 65.93 | 57.06 | 76.43 | |||||||||||
2013 | 57.17 | a | 64.11 | 69.61 | 76.59 | a | 81.30 | a | 88.23 | 97.17 | a | 92.29 | 87.17 | a | 79.00 | 68.86 | a | 61.97 | 76.96 | |||||||
2014 | 68.79 | b | 63.00 | 69.29 | 74.17 | 84.29 | 90.97 | 96.00 | 94.13 | 90.14 | b | 82.06 | 67.70 | 59.52 | 78.34 | |||||||||||
2015 | 62.45 | 68.50 | 73.87 | 74.77 | 78.86 | b | 92.33 | 93.47 | a | 94.03 | a | 90.73 | d | 83.33 | a | 64.67 | 56.72 | b | 77.81 | |||||||
2016 | 56.31 | b | 67.24 | 66.42 | 74.43 | 79.10 | 91.80 | 95.58 | 95.65 | 91.17 | 74.87 | a | 66.00 | 57.06 | 76.30 | |||||||||||
2017 | 54.63 | a | 58.96 | 67.16 | 68.77 | 80.87 | 90.17 | 98.42 | 97.19 | 89.13 | 80.83 | a | 64.10 | 62.06 | 76.03 | |||||||||||
2018 | 58.52 | b | 66.11 | 62.87 | a | 72.03 | 79.97 | 89.87 | 98.65 | 94.37 | a | 90.77 | 80.97 | a | 70.63 | 57.97 | 76.89 | |||||||||
2019 | 59.06 | 54.29 | 61.81 | 74.27 | 73.55 | 90.03 | a | 93.84 | 94.68 | 88.00 | 79.26 | 71.43 | 56.68 | 74.74 | ||||||||||||
2020 | 59.03 | a | 68.28 | 63.58 | 74.30 | 81.77 | 90.40 | 96.19 | 98.56 | m | 93.33 | x | 88.03 | 67.77 | 61.71 | 75.11 | b | |||||||||
2021 | 60.16 | 64.00 | 65.10 | 77.90 | 85.35 | 93.53 | 99.77 | 97.52 | 92.60 | 74.68 | 66.30 | 55.00 | 77.66 | |||||||||||||
2022 | 61.26 | 67.21 | 71.61 | 73.60 | 81.23 | 91.07 | 96.13 | 97.42 | 92.43 | 84.77 | 64.53 | 55.19 | 78.04 | |||||||||||||
2023 | 57.77 | a | 59.07 | 57.68 | 72.77 | 77.71 | 84.33 | 98.45 | 96.45 | 87.93 | 80.23 | 67.57 | 61.00 | 75.08 | ||||||||||||
2024 | 59.10 | 60.17 | 64.10 | a | 69.00 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.12 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 56.73 | 60.91 | 65.06 | 71.05 | 79.20 | 87.76 | 94.32 | 93.41 | 88.84 | 78.71 | 65.02 | 56.66 | 74.73 | |||||||||||||
S.D. | 3.30 | 3.43 | 4.31 | 3.91 | 4.18 | 3.34 | 3.03 | 2.72 | 3.28 | 3.70 | 3.57 | 2.99 | 1.86 | |||||||||||||
SKEW | 0.96 | 0.40 | 0.21 | -0.29 | -0.48 | -0.60 | -0.14 | -0.66 | -0.74 | 0.23 | -0.13 | -0.10 | -0.04 | |||||||||||||
MAX | 68.79 | 68.50 | 74.97 | 78.57 | 88.77 | 93.53 | 99.77 | 98.40 | 94.50 | 88.03 | 72.00 | 62.71 | 78.34 | |||||||||||||
MIN | 51.35 | 54.29 | 57.61 | 62.13 | 66.48 | 79.30 | 87.39 | 83.97 | 79.87 | 70.55 | 57.77 | 49.77 | 70.86 | |||||||||||||
YRS | 53 | 54 | 54 | 54 | 54 | 53 | 54 | 52 | 53 | 54 | 54 | 54 | 48 |