YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | 71.71 | 86.37 | 90.57 | c | 86.11 | d | 79.47 | 70.24 | b | 52.76 | a | 34.13 | 71.42 | d | ||||
1979 | 32.35 | 42.96 | a | 52.90 | 66.07 | 72.77 | a | 85.23 | 90.39 | 86.94 | 84.93 | 71.94 | 47.33 | 43.65 | 64.79 | |||||||||||
1980 | 41.61 | 50.21 | 55.39 | 64.13 | 71.97 | 89.43 | 92.65 | 87.48 | 79.47 | 65.87 | 54.34 | a | 50.52 | 66.92 | ||||||||||||
1981 | 49.19 | 51.29 | 52.84 | 69.80 | 73.48 | 87.73 | 89.90 | 87.81 | 79.93 | 65.32 | 57.60 | 45.58 | 67.54 | |||||||||||||
1982 | 40.61 | 40.71 | 54.13 | 63.17 | 71.55 | 83.77 | 88.74 | 84.87 | 77.87 | 64.87 | 50.53 | 41.10 | 63.49 | |||||||||||||
1983 | 40.00 | 46.29 | 52.52 | 59.23 | 71.23 | a | 81.80 | 89.53 | a | 89.42 | 82.90 | 67.68 | 52.40 | 43.16 | 64.68 | |||||||||||
1984 | 40.55 | 47.97 | ----- | z | 60.90 | ----- | z | 84.10 | 91.03 | 87.42 | 80.73 | 57.87 | 54.93 | 45.13 | 65.06 | b | ||||||||||
1985 | 40.87 | 44.00 | 54.90 | 67.33 | 75.35 | 87.57 | 90.48 | 89.32 | 76.13 | 66.74 | 51.17 | 42.94 | 65.57 | |||||||||||||
1986 | 48.77 | 51.04 | 60.55 | 64.23 | 75.29 | 84.33 | 85.94 | 88.77 | 74.80 | 64.65 | 50.43 | 43.74 | 66.05 | |||||||||||||
1987 | 40.00 | a | 47.25 | 51.61 | 68.07 | 73.84 | 87.07 | 90.13 | 85.55 | 80.07 | 71.26 | 51.03 | 40.06 | 65.49 | ||||||||||||
1988 | 35.16 | 46.79 | 56.48 | 64.93 | 74.65 | 87.20 | 91.48 | 86.81 | 79.73 | 73.29 | 53.30 | 42.71 | 66.05 | |||||||||||||
1989 | 38.32 | 45.00 | 63.32 | 73.00 | 79.06 | 85.77 | 92.87 | 86.68 | 83.47 | 68.52 | 55.97 | 45.13 | 68.09 | |||||||||||||
1990 | 40.55 | 46.50 | 58.19 | 67.30 | 73.10 | 90.10 | 89.68 | 86.48 | 82.10 | 67.87 | 54.23 | 35.45 | 65.96 | |||||||||||||
1991 | 34.45 | 48.64 | 52.58 | 65.10 | 75.06 | 83.60 | 89.58 | 88.10 | 79.77 | 71.10 | 48.67 | 37.32 | 64.50 | |||||||||||||
1992 | 37.68 | 50.14 | 58.19 | 70.57 | 76.03 | 83.87 | 86.29 | 87.19 | 80.73 | 72.32 | 47.60 | 35.63 | a | 65.52 | ||||||||||||
1993 | 43.58 | 48.11 | 58.77 | 66.50 | 76.06 | 85.57 | 90.68 | 84.77 | 79.30 | 66.10 | 50.10 | 43.19 | 66.06 | |||||||||||||
1994 | 46.06 | 45.71 | 61.03 | 66.13 | 76.42 | 90.40 | 93.16 | 90.97 | 81.20 | 66.00 | 49.70 | 45.58 | 67.70 | |||||||||||||
1995 | 42.19 | 57.64 | 57.74 | 61.23 | 71.16 | 83.43 | 90.58 | 90.29 | 81.23 | 69.45 | 58.70 | 46.71 | 67.53 | |||||||||||||
1996 | 45.16 | 53.66 | 58.23 | 67.93 | 81.48 | 87.30 | 91.42 | 88.48 | 76.13 | 66.00 | 53.10 | 43.17 | a | 67.67 | ||||||||||||
1997 | 39.35 | 48.14 | 63.13 | 61.37 | 76.61 | 85.93 | 89.87 | 86.74 | 82.10 | 68.37 | a | 54.07 | 41.61 | 66.44 | ||||||||||||
1998 | 44.81 | 45.96 | 56.45 | 62.30 | 77.84 | 85.20 | 91.94 | 89.84 | 85.80 | 68.13 | 55.80 | 45.39 | 67.45 | |||||||||||||
1999 | 49.55 | 54.25 | 64.03 | 63.40 | 72.71 | 85.67 | 88.90 | 84.00 | 79.53 | 72.61 | 62.53 | 43.97 | 68.43 | |||||||||||||
2000 | 46.55 | 53.10 | 55.81 | 70.03 | 81.61 | 89.00 | 92.61 | 91.35 | 83.57 | 66.13 | 45.63 | 44.97 | 68.36 | |||||||||||||
2001 | 41.35 | 47.96 | 57.52 | 67.93 | 79.23 | 88.73 | 91.65 | 88.35 | 85.43 | 72.29 | 58.57 | 42.84 | 68.49 | |||||||||||||
2002 | 44.52 | 48.93 | 57.16 | 72.33 | 78.90 | 92.70 | 93.81 | 90.10 | 79.60 | 65.48 | 52.90 | 42.97 | 68.28 | |||||||||||||
2003 | 50.90 | 48.29 | 56.39 | 66.60 | 78.65 | 87.50 | 97.19 | 91.39 | 81.60 | 73.45 | 51.97 | 46.17 | a | 69.17 | ||||||||||||
2004 | 41.57 | a | 44.90 | 65.39 | 65.63 | 79.52 | 88.73 | 90.97 | 88.10 | 78.50 | 66.74 | 51.33 | 43.87 | 67.10 | ||||||||||||
2005 | ----- | z | 48.82 | 55.68 | 67.33 | 78.29 | 86.00 | 96.42 | 87.45 | 82.77 | 68.55 | 57.00 | 44.52 | 70.26 | a | |||||||||||
2006 | 46.23 | 51.68 | 56.19 | 70.43 | 81.87 | 91.37 | 91.55 | 85.52 | 74.57 | 64.23 | 56.87 | 42.16 | 67.72 | |||||||||||||
2007 | 38.03 | 48.04 | 60.68 | 66.03 | 74.32 | 88.17 | 92.58 | 90.23 | 81.70 | 69.29 | 58.87 | 38.97 | 67.24 | |||||||||||||
2008 | 34.42 | 42.79 | 57.45 | 64.73 | 72.81 | 85.40 | 89.71 | 87.94 | 80.17 | 68.45 | 55.73 | 39.90 | 64.96 | |||||||||||||
2009 | 42.26 | 50.64 | 58.71 | 63.67 | 78.20 | a | 80.93 | a | 91.81 | 88.03 | 80.30 | 62.83 | b | 56.36 | b | 36.52 | 65.85 | |||||||||
2010 | 35.06 | 42.15 | a | 54.29 | 65.93 | 72.84 | 87.57 | 90.42 | 84.74 | 81.83 | 69.39 | 51.90 | 47.03 | a | 65.26 | |||||||||||
2011 | 34.58 | 44.21 | 59.32 | 64.17 | 70.58 | 87.23 | 91.16 | 89.87 | 78.57 | 65.45 | 51.17 | 39.77 | 64.67 | |||||||||||||
2012 | 45.74 | 47.17 | 59.48 | b | 70.07 | a | 78.77 | 90.00 | c | 89.48 | 89.03 | 81.27 | 69.83 | a | 57.83 | 42.10 | 68.40 | |||||||||
2013 | 34.81 | 43.14 | 59.06 | 64.60 | 73.79 | b | 89.67 | 89.77 | 86.39 | 79.33 | 64.26 | 52.37 | 37.97 | 64.60 | ||||||||||||
2014 | 46.29 | 52.46 | 58.42 | 64.90 | 73.74 | 87.03 | 92.03 | 85.58 | 82.50 | 69.19 | 55.07 | 43.55 | 67.56 | |||||||||||||
2015 | 41.55 | 52.29 | 61.87 | a | 65.67 | 70.26 | 86.27 | 87.13 | 88.13 | 82.77 | 71.35 | 53.27 | 40.45 | 66.75 | ||||||||||||
2016 | 38.58 | 51.76 | 60.84 | 65.10 | 72.87 | 91.70 | 92.00 | e | 83.29 | c | 79.53 | 72.35 | 56.17 | 43.48 | 67.31 | |||||||||||
2017 | 40.81 | 52.25 | 63.74 | 64.60 | 72.94 | 90.60 | 91.55 | 87.00 | 81.10 | 70.20 | a | 62.00 | a | 48.80 | a | 68.80 | ||||||||||
2018 | 47.39 | 52.37 | a | 58.19 | 70.13 | 80.27 | a | 89.67 | 93.48 | 90.23 | 84.27 | 64.94 | 50.83 | a | 41.90 | 68.64 | ||||||||||
2019 | 39.26 | 43.63 | a | 58.35 | 68.03 | 67.77 | 83.72 | a | 89.83 | a | 89.63 | a | 83.43 | g | 65.32 | c | 55.13 | 42.48 | 63.93 | a | ||||||
2020 | 40.39 | 46.17 | 55.42 | 65.23 | 80.45 | 87.10 | 89.06 | 91.68 | 81.63 | 72.03 | 58.83 | 41.74 | 67.48 | |||||||||||||
2021 | 42.94 | 48.39 | 54.29 | 67.93 | 77.68 | 89.33 | 91.03 | 88.03 | 82.13 | 65.81 | 59.30 | 45.79 | b | 67.72 | ||||||||||||
2022 | 45.71 | 48.54 | 60.52 | 72.93 | 82.19 | 89.93 | 92.97 | 89.55 | 86.63 | 70.65 | 51.30 | 45.26 | 69.68 | |||||||||||||
2023 | 40.74 | 45.29 | 53.26 | 69.63 | 80.68 | 86.47 | 97.19 | 90.97 | 84.80 | 75.71 | 58.93 | 46.19 | 69.16 | |||||||||||||
2024 | 41.84 | 53.07 | 60.45 | 68.33 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.79 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.61 | 48.27 | 57.81 | 66.36 | 75.68 | 87.09 | 91.11 | 87.97 | 80.93 | 68.26 | 54.04 | 42.72 | 66.88 | |||||||||||||
S.D. | 4.50 | 3.69 | 3.39 | 3.18 | 3.66 | 2.65 | 2.30 | 2.08 | 2.69 | 3.42 | 3.82 | 3.46 | 1.53 | |||||||||||||
SKEW | 0.00 | 0.15 | 0.20 | 0.14 | 0.09 | -0.10 | 0.54 | -0.17 | -0.21 | -0.30 | 0.11 | -0.51 | -0.26 | |||||||||||||
MAX | 50.90 | 57.64 | 65.39 | 73.00 | 82.19 | 92.70 | 97.19 | 91.68 | 86.63 | 75.71 | 62.53 | 50.52 | 69.68 | |||||||||||||
MIN | 32.35 | 40.71 | 51.61 | 59.23 | 67.77 | 80.93 | 85.94 | 83.29 | 74.57 | 57.87 | 45.63 | 34.13 | 63.49 | |||||||||||||
YRS | 45 | 46 | 45 | 45 | 45 | 46 | 46 | 46 | 45 | 46 | 46 | 46 | 42 |