YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1981 | ----- | z | 64.65 | k | 55.52 | 73.20 | 69.03 | 86.73 | 90.63 | a | 85.84 | 82.80 | 67.03 | 61.27 | 50.84 | 72.29 | b | |||||||||
1982 | 49.00 | a | 50.93 | 59.43 | a | 67.43 | 71.53 | a | 79.34 | a | 90.21 | c | 89.00 | 77.10 | 67.35 | 53.00 | 48.83 | a | 66.93 | |||||||
1983 | 51.26 | 53.65 | b | 51.65 | 57.60 | 68.84 | 80.20 | 90.19 | 88.90 | ----- | z | ----- | z | 50.63 | 31.16 | 62.41 | b | |||||||||
1984 | 43.71 | 49.86 | 50.39 | 54.20 | 75.68 | 79.73 | 88.35 | 84.74 | 74.47 | 56.71 | 56.20 | 49.10 | 63.59 | |||||||||||||
1985 | 41.26 | 45.39 | 56.74 | 65.47 | 75.39 | 83.53 | 86.97 | 89.65 | 73.30 | 68.29 | 43.40 | 47.00 | 64.70 | |||||||||||||
1986 | 57.87 | 50.93 | 64.26 | 64.63 | 71.61 | 83.87 | 89.35 | 88.03 | 76.43 | 66.03 | 55.33 | 49.13 | 68.12 | |||||||||||||
1987 | 48.23 | 50.29 | 54.13 | 67.77 | 72.74 | 83.27 | 89.68 | 84.58 | 77.97 | 69.06 | 54.80 | 43.19 | 66.31 | |||||||||||||
1988 | 42.33 | a | 49.72 | ----- | z | ----- | z | 73.48 | 86.10 | 90.10 | 89.61 | 80.10 | 72.06 | 55.67 | 48.74 | 68.79 | b | |||||||||
1989 | ----- | z | 36.64 | 60.45 | 64.63 | 73.61 | 78.83 | 91.03 | ----- | z | 77.57 | 67.10 | 59.90 | 43.48 | 65.33 | b | ||||||||||
1990 | 51.39 | 47.96 | 52.94 | 60.97 | 71.19 | 87.93 | 85.45 | 88.06 | 83.97 | 71.58 | 60.57 | 42.10 | 67.01 | |||||||||||||
1991 | 45.19 | 57.32 | 58.84 | 60.33 | 74.35 | 83.87 | 87.48 | 86.23 | 79.17 | 69.55 | 49.67 | 51.81 | 66.98 | |||||||||||||
1992 | 50.16 | 56.03 | 57.90 | 71.07 | 73.87 | 80.17 | 85.13 | 83.13 | 83.50 | 71.55 | 48.87 | 44.94 | 67.19 | |||||||||||||
1993 | 43.55 | 44.04 | 57.68 | 62.70 | 73.13 | 81.27 | 88.39 | 83.00 | 76.33 | 64.48 | 50.47 | 50.45 | 64.62 | |||||||||||||
1994 | 50.32 | 50.61 | 59.19 | 61.07 | 76.00 | 87.27 | 86.19 | 86.61 | 81.30 | 65.39 | 51.43 | 51.06 | 67.20 | |||||||||||||
1995 | 49.16 | 54.11 | 56.06 | 56.77 | 62.06 | 76.70 | 86.45 | 90.29 | 75.17 | 67.42 | 58.83 | 49.58 | 65.22 | |||||||||||||
1996 | 44.39 | 52.97 | 52.84 | 64.10 | 72.90 | 83.97 | 86.84 | 85.52 | 75.57 | 66.68 | 54.30 | 50.26 | 65.86 | |||||||||||||
1997 | 43.84 | 45.39 | 60.81 | 55.43 | 72.23 | 82.37 | 87.29 | 83.45 | 78.80 | 67.35 | 50.90 | 44.74 | 64.38 | |||||||||||||
1998 | 49.35 | 48.64 | 53.87 | 59.63 | 75.87 | 78.50 | 87.39 | 86.71 | 83.53 | 64.61 | 57.40 | 46.61 | 66.01 | |||||||||||||
1999 | 50.03 | 57.89 | 60.90 | 57.00 | a | 69.84 | 79.63 | 88.42 | 85.26 | 73.93 | 69.94 | 65.40 | 49.90 | 67.35 | ||||||||||||
2000 | 49.45 | 56.41 | 55.48 | 67.30 | 76.81 | 82.83 | 90.84 | 87.90 | 79.77 | 64.81 | 45.13 | 45.61 | 66.86 | |||||||||||||
2001 | 47.45 | 44.61 | 53.90 | 64.50 | 72.00 | 84.73 | 90.55 | 86.55 | 81.93 | 67.48 | 58.77 | 48.81 | 66.77 | |||||||||||||
2002 | 47.48 | 51.93 | 51.87 | 67.80 | 71.29 | 88.23 | 94.03 | 87.87 | 79.17 | 59.45 | 53.97 | 50.71 | 66.98 | |||||||||||||
2003 | 55.45 | 43.36 | 56.97 | 66.48 | a | 71.84 | 77.47 | 93.77 | 89.39 | 78.40 | 73.45 | 50.20 | 50.74 | 67.29 | ||||||||||||
2004 | 49.61 | 47.00 | 63.23 | 62.23 | 73.87 | 76.77 | 85.03 | 82.39 | 79.17 | 66.84 | 52.27 | 50.23 | 65.72 | |||||||||||||
2005 | 51.16 | 51.82 | 55.23 | 61.57 | 71.90 | 81.27 | 92.48 | 85.10 | 80.77 | 67.23 | 60.50 | 45.68 | 67.06 | |||||||||||||
2006 | 54.23 | 47.82 | 53.81 | 68.87 | 75.42 | 86.93 | 88.00 | 84.68 | 73.20 | 64.87 | 56.37 | 45.68 | 66.66 | |||||||||||||
2007 | 39.23 | 48.89 | 60.29 | 59.57 | 72.77 | 83.50 | 89.65 | 87.90 | 79.97 | 69.81 | 57.70 | 41.81 | 65.92 | |||||||||||||
2008 | 42.65 | 49.10 | 54.94 | 61.60 | 70.65 | 82.37 | 91.19 | 84.13 | 76.20 | 66.71 | 59.60 | 42.90 | 65.17 | |||||||||||||
2009 | 49.58 | 54.82 | 58.97 | 58.87 | 71.58 | 76.93 | 84.90 | b | 84.74 | 76.87 | 55.87 | 58.37 | 38.90 | 64.20 | ||||||||||||
2010 | 47.19 | 41.64 | 54.68 | 63.00 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.84 | i | |||
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 89.22 | d | 90.68 | 78.00 | 67.74 | 55.67 | 43.00 | 70.72 | f | |||||
2012 | 50.81 | 42.14 | 64.68 | 69.47 | 75.03 | 89.40 | 91.77 | 88.61 | 80.07 | 63.19 | 58.87 | 46.39 | 68.37 | |||||||||||||
2013 | 45.65 | 43.68 | 51.74 | 55.00 | 70.52 | 85.00 | 85.87 | 86.84 | 77.80 | 59.74 | 55.13 | 43.71 | 63.39 | |||||||||||||
2014 | 46.84 | 43.18 | 55.55 | 63.07 | 68.94 | 80.93 | 86.29 | 83.03 | 77.87 | 69.58 | 50.53 | 45.19 | 64.25 | |||||||||||||
2015 | 48.23 | 48.18 | 57.74 | 61.73 | 63.39 | 82.63 | 85.29 | 87.84 | 84.43 | 69.13 | 53.80 | 43.77 | 65.51 | |||||||||||||
2016 | 47.13 | 52.86 | 55.42 | 60.13 | 66.52 | 86.23 | 90.16 | 85.26 | 80.90 | 74.13 | 61.23 | 43.35 | 66.94 | |||||||||||||
2017 | 42.71 | 55.18 | 63.42 | 63.53 | 68.94 | 84.63 | 89.16 | 84.19 | 77.20 | 64.71 | 59.87 | 49.58 | 66.93 | |||||||||||||
2018 | 49.65 | 43.39 | 58.13 | 62.77 | 73.48 | 87.67 | 88.84 | 86.48 | 82.77 | 61.35 | 51.40 | 46.74 | 66.06 | |||||||||||||
2019 | 45.48 | 42.57 | 48.97 | 63.33 | 62.23 | 80.43 | 89.74 | 88.71 | 83.97 | 58.39 | 51.13 | 47.19 | 63.51 | |||||||||||||
2020 | 48.16 | 42.59 | 55.65 | 60.37 | 73.90 | 85.43 | 89.61 | 91.26 | 79.13 | 65.35 | 58.63 | 47.61 | 66.48 | |||||||||||||
2021 | 46.06 | 40.04 | 51.58 | 58.17 | 67.94 | 84.30 | 88.42 | 87.32 | 83.20 | 67.68 | 59.87 | 54.23 | 65.73 | |||||||||||||
2022 | 45.00 | 42.46 | 53.29 | 64.10 | 71.16 | 83.30 | 90.71 | 88.16 | 82.47 | 67.23 | 48.93 | 46.29 | 65.26 | |||||||||||||
2023 | 39.61 | 46.71 | 49.29 | 61.33 | 70.39 | 75.80 | 86.19 | 86.74 | 81.57 | 67.16 | 57.70 | 49.87 | 64.36 | |||||||||||||
2024 | 41.87 | 50.59 | 53.77 | 64.94 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.74 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 47.36 | 48.41 | 56.24 | 62.64 | 71.56 | 82.68 | 88.74 | 86.69 | 79.17 | 66.44 | 55.09 | 46.69 | 65.97 | |||||||||||||
S.D. | 4.08 | 5.15 | 3.95 | 4.41 | 3.48 | 3.55 | 2.34 | 2.30 | 3.11 | 4.13 | 4.74 | 4.11 | 1.31 | |||||||||||||
SKEW | 0.16 | -0.06 | 0.32 | 0.22 | -1.10 | -0.13 | 0.17 | -0.01 | -0.08 | -0.73 | -0.30 | -1.26 | -0.37 | |||||||||||||
MAX | 57.87 | 57.89 | 64.68 | 73.20 | 76.81 | 89.40 | 94.03 | 91.26 | 84.43 | 74.13 | 65.40 | 54.23 | 68.37 | |||||||||||||
MIN | 39.23 | 36.64 | 48.97 | 54.20 | 62.06 | 75.80 | 84.90 | 82.39 | 73.20 | 55.87 | 43.40 | 31.16 | 63.39 | |||||||||||||
YRS | 41 | 42 | 42 | 40 | 41 | 41 | 42 | 41 | 41 | 41 | 42 | 42 | 37 |