YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.94 | n | 50.03 | a | 50.03 | k |
1972 | 51.55 | 56.62 | 60.43 | a | 57.34 | a | 64.90 | 70.67 | 75.39 | 76.14 | c | 74.59 | a | 68.32 | 60.03 | 51.58 | 63.96 | |||||||||
1973 | 53.58 | 61.61 | 56.03 | 65.10 | 68.29 | 72.10 | 74.07 | a | 72.81 | 75.20 | 67.00 | 53.57 | 54.58 | 64.49 | ||||||||||||
1974 | 50.23 | 53.11 | 56.42 | 58.23 | 63.65 | 66.90 | 71.52 | 73.23 | 74.33 | 68.42 | 58.70 | 53.03 | 62.31 | |||||||||||||
1975 | 53.00 | 53.14 | 53.45 | 53.63 | 63.10 | 67.53 | 71.26 | 70.55 | 71.27 | 62.71 | 55.27 | 52.26 | 60.60 | |||||||||||||
1976 | 54.16 | 52.66 | 53.61 | 56.10 | 63.87 | 65.27 | 71.45 | 70.26 | 71.83 | 67.00 | 61.93 | 54.87 | 61.92 | |||||||||||||
1977 | 56.68 | 61.14 | 54.16 | 61.53 | 60.65 | 68.43 | 71.52 | 73.45 | 68.10 | 66.68 | 56.40 | 55.48 | 62.85 | |||||||||||||
1978 | 55.35 | 56.21 | 62.42 | 58.57 | 63.48 | 70.50 | 71.50 | a | 74.00 | 70.67 | 69.84 | 57.50 | 49.81 | 63.32 | ||||||||||||
1979 | 51.26 | 51.32 | 59.26 | 60.00 | 64.52 | 69.77 | 73.84 | 73.55 | 75.93 | 67.32 | 58.40 | 56.97 | 63.51 | |||||||||||||
1980 | 52.10 | 59.48 | 56.26 | 61.57 | 63.37 | a | 65.87 | 72.03 | 71.71 | 72.40 | 69.68 | 60.77 | 57.65 | 63.57 | ||||||||||||
1981 | 60.32 | 58.89 | 59.97 | 60.83 | 63.42 | 68.87 | 71.77 | 73.03 | 73.17 | 65.58 | 60.20 | 54.65 | 64.23 | |||||||||||||
1982 | 50.23 | 55.25 | 55.74 | 58.27 | 65.23 | 66.50 | 70.10 | 73.06 | 72.45 | a | 67.26 | 57.07 | 53.19 | 62.03 | ||||||||||||
1983 | 55.52 | 57.14 | 58.90 | 61.63 | 64.52 | 68.20 | 70.48 | 74.61 | 73.50 | 67.84 | 58.03 | 51.10 | 63.46 | |||||||||||||
1984 | 56.58 | 56.38 | 59.94 | 57.77 | 64.68 | 66.90 | 73.26 | 75.23 | 74.73 | 63.68 | 57.37 | 50.32 | 63.07 | |||||||||||||
1985 | 55.94 | 54.79 | 54.45 | 61.03 | 64.90 | 70.60 | 74.81 | 73.16 | 70.63 | 66.84 | 50.83 | a | 55.35 | 62.78 | ||||||||||||
1986 | 57.23 | 56.36 | 62.13 | 59.93 | 64.87 | 70.40 | 72.81 | 74.00 | 70.03 | 66.35 | 60.50 | 55.87 | 64.21 | |||||||||||||
1987 | 54.03 | 56.50 | 59.58 | 64.37 | 66.48 | 69.40 | 69.61 | 73.68 | 71.67 | 70.39 | 60.07 | 51.03 | 63.90 | |||||||||||||
1988 | 53.35 | 58.17 | 58.61 | 60.73 | 62.74 | 66.20 | 72.60 | a | 71.90 | 72.40 | 69.58 | 57.63 | 54.65 | 63.21 | ||||||||||||
1989 | 52.55 | 49.82 | 55.94 | 65.27 | 63.81 | 68.97 | 69.55 | 71.26 | 74.50 | 67.23 | 61.37 | 57.68 | 63.16 | |||||||||||||
1990 | 54.03 | 52.46 | 59.06 | 61.40 | 63.71 | 66.57 | 73.23 | 74.06 | 73.90 | 66.19 | 57.83 | 47.71 | 62.51 | |||||||||||||
1991 | 55.03 | 62.04 | 54.71 | 57.57 | 59.45 | 64.70 | 72.68 | 72.45 | 76.80 | 71.68 | 60.30 | 53.03 | 63.37 | |||||||||||||
1992 | 56.00 | 62.41 | 62.13 | 64.37 | 69.17 | a | 69.50 | 71.84 | 74.87 | 72.93 | 69.52 | 57.77 | 51.07 | b | 65.13 | |||||||||||
1993 | 51.83 | h | 55.68 | 59.81 | 59.37 | 66.23 | 67.93 | 69.48 | 72.81 | 70.27 | 68.06 | 57.00 | 53.74 | 63.67 | a | |||||||||||
1994 | 57.55 | 54.07 | 60.90 | 60.40 | 65.26 | 66.37 | 71.16 | 74.32 | 72.70 | 67.00 | 53.13 | 53.32 | 63.02 | |||||||||||||
1995 | 55.35 | 60.14 | 57.74 | 59.13 | 63.19 | 66.62 | a | 72.45 | 73.10 | 71.62 | a | 68.10 | 61.10 | a | 56.77 | 63.78 | ||||||||||
1996 | 53.29 | 58.79 | 59.94 | 61.76 | a | 62.52 | 68.17 | 72.61 | 72.81 | 72.23 | 65.87 | 58.47 | 54.74 | 63.43 | ||||||||||||
1997 | 54.13 | 56.86 | 58.45 | 60.24 | a | 70.03 | 68.23 | 72.58 | 75.13 | 73.57 | 65.26 | 59.17 | 53.87 | 63.96 | ||||||||||||
1998 | 54.52 | 54.68 | 57.65 | 59.03 | 60.42 | 64.63 | 70.55 | 72.16 | 72.33 | 67.71 | 57.17 | 49.23 | a | 61.67 | ||||||||||||
1999 | 53.00 | 52.43 | 54.32 | 59.53 | 60.81 | 66.40 | 67.97 | 70.29 | 71.73 | 68.68 | 60.10 | 54.42 | 61.64 | |||||||||||||
2000 | 52.42 | 55.38 | 55.32 | 62.50 | 63.97 | 69.53 | 69.87 | 71.03 | 73.73 | 66.10 | 56.20 | 56.42 | 62.71 | |||||||||||||
2001 | 55.74 | 55.25 | 58.65 | 57.00 | 66.00 | 66.57 | 69.77 | 71.23 | 71.57 | 66.58 | 59.83 | 52.39 | 62.55 | |||||||||||||
2002 | 51.39 | 57.61 | 54.55 | 59.83 | 61.90 | 67.27 | 73.19 | 73.71 | 74.77 | 65.52 | 64.13 | 56.13 | 63.33 | |||||||||||||
2003 | 58.52 | 57.50 | 58.48 | 56.77 | 65.32 | 71.93 | 74.03 | 73.74 | 74.50 | 69.37 | a | 55.77 | 53.16 | 64.09 | ||||||||||||
2004 | 53.41 | b | 55.17 | 61.42 | 64.17 | 64.59 | b | 67.97 | 74.81 | 75.65 | 71.60 | 65.35 | 57.90 | 55.81 | 63.99 | |||||||||||
2005 | 53.65 | 61.04 | 62.19 | 59.27 | 65.10 | 67.07 | 74.00 | 73.58 | 72.10 | 66.35 | 58.57 | 54.74 | 63.97 | |||||||||||||
2006 | 54.55 | 57.81 | a | 52.84 | 59.27 | 66.16 | 68.87 | 72.58 | 70.87 | 72.93 | 67.03 | 56.53 | 54.61 | 62.84 | ||||||||||||
2007 | 51.74 | 53.57 | 59.68 | 60.00 | 64.13 | 67.40 | 73.10 | 73.48 | 71.03 | 64.03 | 58.97 | 50.23 | a | 62.28 | ||||||||||||
2008 | 49.65 | 53.69 | 54.84 | 56.93 | 63.68 | 65.70 | j | 72.07 | c | 72.13 | 71.57 | b | 65.41 | b | 61.79 | b | 51.03 | 61.16 | a | |||||||
2009 | 56.94 | 55.79 | 54.16 | 58.43 | 64.33 | a | 66.80 | 72.48 | 73.55 | 74.07 | a | 64.71 | 58.87 | 52.45 | 62.71 | |||||||||||
2010 | 55.81 | 57.57 | 58.33 | a | 57.13 | 60.84 | 65.33 | 69.71 | 70.35 | 72.30 | 66.35 | 54.83 | 54.39 | 61.91 | ||||||||||||
2011 | 56.29 | 52.68 | 54.39 | 55.90 | 59.13 | 66.03 | 70.26 | 73.45 | 73.72 | a | 66.13 | 56.27 | 53.58 | 61.49 | ||||||||||||
2012 | 55.74 | 54.17 | 53.13 | 59.60 | 62.71 | 65.63 | 69.26 | 71.55 | 70.33 | 65.87 | 59.38 | a | 50.23 | 61.47 | ||||||||||||
2013 | 52.58 | 54.14 | 58.33 | a | 62.20 | 67.03 | 71.40 | 72.13 | 74.48 | 72.30 | 64.77 | 60.70 | 50.63 | a | 63.39 | |||||||||||
2014 | 59.32 | 57.61 | 62.00 | 63.97 | 69.47 | a | 70.33 | 74.58 | 75.68 | 76.97 | 70.65 | 61.40 | 56.65 | 66.55 | ||||||||||||
2015 | 59.55 | 62.29 | 64.13 | 61.70 | 65.57 | a | 71.10 | 77.16 | 76.71 | 72.90 | 71.74 | 59.80 | 54.53 | a | 66.43 | |||||||||||
2016 | 54.84 | 61.45 | 60.32 | 68.03 | 66.52 | 70.97 | 71.74 | 73.50 | a | 71.63 | 65.68 | 60.70 | 50.71 | 64.67 | ||||||||||||
2017 | 51.47 | a | 55.07 | 58.06 | 61.00 | 65.97 | 69.87 | 72.35 | 76.61 | 76.03 | 67.55 | 59.07 | 54.71 | 63.98 | ||||||||||||
2018 | 56.42 | 55.07 | 56.13 | 61.53 | 65.00 | 70.23 | 74.10 | 73.10 | 73.57 | 66.90 | 60.90 | 55.77 | 64.06 | |||||||||||||
2019 | 57.03 | 49.25 | 58.71 | 63.04 | b | 65.81 | 71.27 | 74.03 | 76.23 | 71.37 | 66.29 | 60.33 | 53.61 | 63.91 | ||||||||||||
2020 | 54.32 | 56.21 | 55.81 | 62.43 | 66.55 | 70.03 | 73.03 | 75.93 | a | 76.33 | 68.23 | 58.87 | 55.87 | 64.47 | ||||||||||||
2021 | 55.10 | 53.11 | 55.74 | 63.60 | 65.48 | 72.30 | 71.94 | 74.84 | 74.17 | 64.55 | 60.27 | 50.94 | 63.50 | |||||||||||||
2022 | 57.74 | 57.75 | 59.03 | 58.60 | 62.87 | 70.03 | 73.58 | 75.39 | 73.48 | a | 68.39 | 57.38 | a | 52.94 | 63.93 | |||||||||||
2023 | 54.19 | 53.25 | 51.42 | 58.27 | 65.20 | a | 67.97 | 74.30 | a | 77.26 | 72.87 | 68.26 | 60.47 | 57.19 | 63.39 | |||||||||||
2024 | 55.39 | 55.55 | 57.81 | 59.47 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.25 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 54.62 | 56.15 | 57.69 | 60.31 | 64.43 | 68.39 | 72.23 | 73.49 | 72.91 | 67.15 | 58.59 | 53.52 | 63.33 | |||||||||||||
S.D. | 2.43 | 3.14 | 2.95 | 2.77 | 2.30 | 2.09 | 1.82 | 1.77 | 1.83 | 1.95 | 2.45 | 2.42 | 1.15 | |||||||||||||
SKEW | 0.13 | 0.21 | -0.01 | 0.29 | 0.01 | 0.08 | 0.03 | 0.04 | 0.14 | 0.30 | -0.73 | -0.27 | 0.32 | |||||||||||||
MAX | 60.32 | 62.41 | 64.13 | 68.03 | 70.03 | 72.30 | 77.16 | 77.26 | 76.97 | 71.74 | 64.13 | 57.68 | 66.55 | |||||||||||||
MIN | 49.65 | 49.25 | 51.42 | 53.63 | 59.13 | 64.63 | 67.97 | 70.26 | 68.10 | 62.71 | 50.83 | 47.71 | 60.60 | |||||||||||||
YRS | 52 | 53 | 53 | 52 | 52 | 51 | 52 | 52 | 52 | 52 | 52 | 53 | 50 |