YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 90.95 | k | 74.73 | 64.03 | 51.93 | 45.26 | 58.99 | h | ||||
1972 | 43.42 | 45.14 | 58.55 | 61.20 | 75.71 | 82.43 | 89.42 | 91.39 | 74.80 | 65.29 | 50.53 | 35.32 | 64.43 | |||||||||||||
1973 | 37.00 | 46.46 | 59.26 | 66.83 | 77.13 | 81.53 | 91.48 | 88.19 | 78.03 | 64.32 | 47.60 | 46.48 | 65.36 | |||||||||||||
1974 | 36.90 | 51.04 | 56.84 | 62.73 | 69.97 | 85.90 | 87.81 | 88.55 | 82.50 | 66.71 | 52.03 | 48.10 | 65.76 | |||||||||||||
1975 | 43.87 | 44.21 | 54.03 | 59.70 | 72.33 | a | 78.67 | 91.94 | 84.45 | 82.00 | 64.90 | 50.20 | 45.61 | 64.33 | ||||||||||||
1976 | 45.13 | 48.86 | 54.68 | 62.83 | 76.10 | 78.47 | 88.37 | l | 82.81 | 81.90 | 68.26 | 52.40 | 41.92 | g | 65.14 | b | ||||||||||
1977 | 33.29 | 50.71 | 56.77 | 71.10 | 69.16 | 86.50 | 87.19 | 92.52 | 73.77 | 66.35 | 51.00 | 44.97 | 65.28 | |||||||||||||
1978 | 39.58 | 47.89 | 60.06 | 63.70 | 70.87 | 84.03 | 89.00 | 85.32 | 74.77 | 68.06 | 46.33 | 41.77 | 64.28 | |||||||||||||
1979 | 24.32 | 45.46 | 58.97 | a | 64.43 | 77.71 | 84.33 | 91.87 | 87.26 | 80.93 | a | 68.87 | 45.97 | 45.81 | 64.66 | |||||||||||
1980 | 35.68 | 44.07 | 55.74 | 70.27 | 74.71 | 77.30 | 90.23 | 86.45 | 81.30 | 66.39 | 53.70 | 47.62 | b | 65.29 | ||||||||||||
1981 | 43.84 | 48.43 | 60.90 | 65.87 | 73.13 | 77.87 | 88.00 | 93.42 | 82.07 | c | 65.29 | 54.33 | 46.06 | 66.60 | ||||||||||||
1982 | 43.55 | 48.11 | 58.45 | 63.60 | 74.03 | 85.93 | 89.10 | 91.03 | 78.43 | 65.06 | 47.77 | 44.90 | 65.83 | |||||||||||||
1983 | 47.70 | a | 52.64 | 60.73 | e | 66.97 | 79.84 | 82.41 | a | 87.23 | 87.61 | 76.73 | 66.87 | 56.30 | 33.07 | a | 66.51 | |||||||||
1984 | 43.39 | 50.24 | 60.61 | 64.27 | 71.00 | a | 81.38 | a | 92.29 | 89.74 | 77.40 | 62.81 | 51.38 | a | 39.27 | a | 65.31 | |||||||||
1985 | 33.19 | 43.75 | 57.53 | a | 70.23 | 80.32 | 83.70 | 96.90 | 84.65 | 74.30 | 66.39 | 38.76 | a | 27.87 | 63.13 | |||||||||||
1986 | 42.65 | 47.96 | 62.96 | f | 65.50 | 75.48 | 91.13 | 84.55 | 95.00 | 71.97 | 67.87 | 54.47 | 40.19 | 66.98 | a | |||||||||||
1987 | 39.81 | 48.75 | 58.16 | 70.37 | 77.00 | 84.97 | 86.97 | 89.10 | 82.70 | 68.58 | 54.97 | 42.87 | 67.02 | |||||||||||||
1988 | 41.55 | 53.52 | 59.32 | 66.67 | 73.81 | 78.10 | 90.80 | a | 88.10 | 78.53 | 73.61 | 55.55 | a | 43.45 | b | 66.92 | ||||||||||
1989 | 48.53 | a | 36.93 | a | 52.87 | 69.00 | 73.81 | 84.27 | 88.87 | 84.16 | 82.30 | 67.48 | 56.03 | 39.68 | 65.33 | |||||||||||
1990 | 48.26 | ----- | z | 60.84 | 70.77 | 71.71 | 80.50 | 93.32 | 88.61 | 84.90 | 64.84 | 58.87 | 35.90 | b | 68.96 | a | ||||||||||
1991 | 40.29 | 53.43 | 55.39 | 65.03 | 70.10 | 75.03 | 90.74 | 90.97 | 84.67 | 67.16 | 50.83 | 44.81 | 65.70 | |||||||||||||
1992 | 44.87 | 49.93 | 61.10 | 67.20 | 78.55 | 86.83 | 86.80 | a | 90.00 | 77.47 | 66.97 | 50.23 | 40.94 | 66.74 | ||||||||||||
1993 | 30.06 | 37.57 | 49.97 | 63.60 | 78.55 | 78.73 | 80.74 | 85.03 | 80.17 | 67.87 | 45.34 | a | 42.16 | 61.65 | ||||||||||||
1994 | 47.87 | 43.82 | 59.87 | 69.47 | 75.10 | 81.00 | 93.71 | 88.52 | 83.50 | 66.29 | 49.33 | 43.35 | 66.82 | |||||||||||||
1995 | 38.35 | 52.00 | b | 57.03 | 66.63 | c | ----- | z | 78.70 | 88.67 | d | 85.10 | b | 82.07 | 64.77 | 53.93 | a | 42.38 | b | 64.51 | a | |||||
1996 | 45.38 | g | 39.47 | l | ----- | z | 65.00 | b | 70.30 | a | ----- | z | 91.52 | d | 87.90 | a | 76.40 | 64.50 | a | 47.67 | 40.81 | e | 68.01 | d | ||
1997 | 39.77 | a | 48.96 | 56.23 | 62.90 | 76.69 | b | 79.17 | ----- | z | 89.77 | 78.47 | 64.42 | 51.60 | 42.74 | 62.79 | a | |||||||||
1998 | 44.00 | 51.25 | 58.48 | 64.66 | a | 71.06 | 79.70 | 94.00 | 90.10 | 82.50 | 64.10 | 54.30 | 44.26 | 66.53 | ||||||||||||
1999 | 47.00 | 52.21 | 57.03 | 63.73 | 70.06 | 78.33 | 86.16 | 87.74 | 78.70 | 63.90 | 55.03 | 46.35 | 65.52 | |||||||||||||
2000 | 42.13 | 47.17 | 56.48 | 68.77 | 72.45 | 81.07 | 87.19 | 88.26 | 76.10 | 63.52 | 43.87 | 37.26 | 63.69 | |||||||||||||
2001 | 39.97 | 46.64 | 57.90 | 63.43 | 76.03 | 78.40 | 87.71 | 90.26 | 81.62 | a | 65.00 | 51.27 | 43.50 | a | 65.14 | |||||||||||
2002 | 45.90 | 50.07 | 52.52 | 65.83 | 70.93 | a | 82.67 | 91.68 | 86.77 | 79.47 | 64.45 | 52.67 | 44.71 | 65.64 | ||||||||||||
2003 | 44.97 | 50.96 | 60.93 | a | 66.07 | 75.50 | a | 85.33 | 95.52 | 90.06 | 82.97 | a | 69.97 | 49.90 | a | 42.45 | 67.89 | |||||||||
2004 | 35.17 | a | 48.83 | 62.90 | 70.07 | 74.42 | 82.33 | 92.74 | 90.23 | 79.20 | 67.70 | a | 52.43 | 44.77 | 66.73 | |||||||||||
2005 | 39.10 | 51.25 | 62.84 | 65.33 | 76.06 | 79.27 | 92.19 | 91.90 | 79.40 | 67.19 | 48.55 | a | 35.32 | 65.70 | ||||||||||||
2006 | 48.48 | 47.54 | 56.77 | ----- | z | 75.57 | a | 83.07 | 94.81 | 89.48 | 80.20 | 65.68 | 52.37 | 38.26 | 66.57 | a | ||||||||||
2007 | 38.61 | 46.43 | 59.48 | 65.10 | 76.84 | 81.93 | 94.26 | 87.74 | 80.90 | 63.97 | 50.57 | 42.84 | 65.72 | |||||||||||||
2008 | 40.26 | 51.62 | 55.61 | 62.27 | 75.65 | 80.87 | 92.42 | 88.74 | 79.07 | 65.74 | 52.20 | 36.58 | 65.09 | |||||||||||||
2009 | 41.23 | 44.11 | a | 52.45 | 64.60 | 75.00 | 83.67 | 93.29 | 90.39 | 83.03 | 61.29 | 53.00 | 34.42 | 64.71 | ||||||||||||
2010 | 44.19 | 51.43 | 60.52 | 65.23 | 69.68 | 79.00 | a | 89.65 | 88.19 | 78.03 | 66.10 | 47.83 | 39.68 | 64.96 | ||||||||||||
2011 | 43.81 | 46.21 | 55.94 | 60.70 | 69.00 | 78.67 | 85.97 | 91.55 | 83.00 | 65.61 | 51.80 | 39.10 | 64.28 | |||||||||||||
2012 | 42.55 | 46.55 | 56.94 | 66.27 | 73.42 | 77.38 | a | 90.32 | 91.35 | 80.53 | 65.00 | 51.70 | 45.71 | 65.64 | ||||||||||||
2013 | 37.06 | 51.46 | ----- | z | 65.87 | 75.55 | 81.43 | 94.90 | 90.97 | 80.97 | 62.48 | 48.97 | 37.61 | 66.12 | a | |||||||||||
2014 | 41.74 | 41.79 | 59.06 | 66.03 | 77.68 | 82.47 | 95.45 | 92.45 | 81.83 | 71.03 | 49.63 | 43.84 | 66.92 | |||||||||||||
2015 | 41.87 | 53.61 | 62.90 | 67.50 | 78.94 | 91.37 | 95.03 | 90.84 | 78.67 | 70.90 | 51.93 | 44.26 | 68.98 | |||||||||||||
2016 | 41.68 | 53.66 | 58.90 | 73.23 | 77.48 | 84.67 | 89.61 | 90.00 | 79.13 | 63.94 | 56.93 | 37.06 | 67.19 | |||||||||||||
2017 | 29.26 | 39.32 | 56.81 | 65.23 | 76.23 | 83.80 | 95.10 | 93.58 | 80.10 | 65.00 | 52.48 | a | 39.29 | 64.68 | ||||||||||||
2018 | 47.58 | 50.18 | 56.06 | 65.07 | 80.77 | 82.37 | 94.32 | 90.74 | 79.60 | 64.48 | 48.00 | 43.39 | c | 66.88 | ||||||||||||
2019 | 42.58 | 33.57 | 47.48 | 65.00 | 76.90 | 85.57 | 89.42 | 91.06 | 79.93 | 61.94 | 49.13 | 39.81 | 63.53 | |||||||||||||
2020 | 46.32 | 55.34 | 57.55 | 69.10 | 75.19 | 82.93 | 92.26 | 92.77 | 81.07 | 68.23 | 52.03 | 42.87 | 67.97 | |||||||||||||
2021 | 46.23 | 45.46 | 59.71 | 70.77 | 77.45 | 91.90 | 97.74 | 89.65 | 80.73 | 67.65 | 54.33 | 44.77 | 68.87 | |||||||||||||
2022 | 37.32 | 50.14 | 60.52 | 59.57 | 69.10 | 80.13 | 94.68 | 94.23 | 83.17 | 72.00 | 47.27 | 34.97 | 65.26 | |||||||||||||
2023 | 43.68 | 47.29 | 55.13 | 63.87 | 80.26 | 85.87 | 95.10 | 90.81 | 80.20 | 66.58 | 49.57 | 44.39 | 66.89 | |||||||||||||
2024 | 35.61 | 50.21 | 60.74 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.85 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.18 | 47.93 | 57.71 | 65.87 | 74.71 | 82.22 | 91.01 | 89.34 | 79.75 | 66.18 | 51.07 | 41.52 | 65.71 | |||||||||||||
S.D. | 5.19 | 4.50 | 3.17 | 3.05 | 3.26 | 3.66 | 3.51 | 2.69 | 2.90 | 2.47 | 3.55 | 4.22 | 1.45 | |||||||||||||
SKEW | -0.97 | -1.09 | -0.87 | 0.23 | -0.16 | 0.67 | -0.40 | -0.31 | -0.62 | 0.73 | -0.69 | -0.90 | -0.10 | |||||||||||||
MAX | 48.53 | 55.34 | 62.90 | 73.23 | 80.77 | 91.90 | 97.74 | 95.00 | 84.90 | 73.61 | 58.87 | 48.10 | 68.98 | |||||||||||||
MIN | 24.32 | 33.57 | 47.48 | 59.57 | 69.00 | 75.03 | 80.74 | 82.81 | 71.97 | 61.29 | 38.76 | 27.87 | 61.65 | |||||||||||||
YRS | 52 | 51 | 50 | 51 | 51 | 51 | 50 | 52 | 53 | 53 | 53 | 52 | 44 |