YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1966 | ----- | z | ----- | z | ----- | z | 68.60 | 80.90 | 86.43 | 95.26 | 92.65 | 82.33 | 68.81 | 58.30 | 34.45 | 74.19 | c | |||||||||
1967 | 41.03 | 52.50 | 59.55 | 55.27 | 71.13 | 77.93 | 93.77 | 94.65 | e | 81.30 | 72.26 | 58.67 | 37.84 | 66.33 | ||||||||||||
1968 | 42.63 | a | 53.07 | 58.58 | 59.90 | 73.74 | 86.37 | 93.45 | 83.84 | 79.47 | 68.19 | 53.03 | a | 44.79 | c | 66.42 | ||||||||||
1969 | 49.86 | b | 44.70 | a | 52.48 | 66.76 | a | 82.32 | 83.55 | j | 93.90 | 95.65 | 85.20 | 64.06 | 53.27 | 46.16 | l | 68.82 | b | |||||||
1970 | 46.77 | 55.04 | ----- | z | 57.30 | 75.97 | 82.97 | 90.81 | 92.97 | a | 78.40 | 65.48 | 54.53 | 40.23 | 67.31 | a | ||||||||||
1971 | 46.59 | b | 47.82 | 57.84 | ----- | z | 71.79 | c | 85.17 | a | 95.23 | 91.42 | 78.23 | 62.10 | 52.10 | 39.90 | 66.20 | a | ||||||||
1972 | 46.77 | a | 54.45 | 66.19 | 65.10 | 77.23 | 85.97 | a | 94.90 | 88.68 | 78.40 | 63.19 | 47.77 | 35.68 | 67.03 | |||||||||||
1973 | 34.65 | 46.32 | 49.19 | 59.30 | 77.19 | 85.97 | 92.42 | 91.48 | 80.23 | 69.94 | 52.47 | 47.97 | 65.59 | |||||||||||||
1974 | 43.16 | 49.75 | 61.32 | 64.67 | 79.55 | 92.13 | 92.94 | 91.74 | 84.80 | 64.97 | 54.57 | 42.03 | 68.47 | |||||||||||||
1975 | 44.68 | 47.86 | 52.10 | 56.73 | 72.16 | 81.47 | 91.61 | 88.00 | 81.72 | a | 68.13 | 50.77 | 47.97 | a | 65.27 | |||||||||||
1976 | 45.94 | 50.86 | 52.03 | 63.47 | 78.10 | 84.03 | 93.55 | 87.81 | 79.50 | 66.10 | 57.80 | 46.29 | 67.12 | |||||||||||||
1977 | 42.80 | a | 54.82 | 53.61 | 70.30 | 68.52 | 90.07 | b | 93.23 | 90.77 | 81.97 | 72.72 | b | 59.80 | 52.39 | 69.25 | ||||||||||
1978 | 46.03 | 50.63 | a | 60.90 | a | 63.59 | a | 72.90 | 87.20 | 95.19 | 90.26 | 79.00 | b | 72.87 | 47.67 | 38.68 | 67.08 | |||||||||
1979 | 32.61 | 46.93 | 54.10 | 65.17 | 74.57 | a | 87.00 | 93.79 | c | 89.90 | a | 87.33 | 72.55 | b | 48.79 | b | 49.71 | 66.87 | ||||||||
1980 | 44.32 | c | 46.69 | 53.17 | a | 66.33 | c | ----- | z | 84.54 | b | 94.48 | 91.26 | 80.97 | 69.06 | 56.53 | 43.84 | 66.47 | a | |||||||
1981 | 40.39 | 53.32 | 54.52 | 68.10 | 72.35 | 89.10 | 95.16 | 93.26 | 82.33 | 62.77 | 57.97 | 51.35 | 68.39 | |||||||||||||
1982 | 43.23 | a | 47.31 | b | 54.74 | 63.19 | c | 72.47 | a | 82.33 | 90.10 | a | 92.00 | 76.86 | a | 62.30 | a | 49.80 | 40.97 | 64.61 | ||||||
1983 | 46.93 | a | 50.04 | a | 54.74 | d | 57.63 | c | 71.00 | b | 83.00 | a | 91.62 | b | 87.84 | 81.37 | 70.03 | a | 53.17 | 41.68 | 65.75 | |||||
1984 | 32.23 | a | 42.72 | 54.77 | a | 62.31 | a | 80.43 | h | 84.12 | e | 92.30 | a | 89.23 | a | 83.31 | a | 61.30 | a | 53.07 | 39.03 | 63.13 | a | |||
1985 | 35.52 | 41.78 | a | 53.13 | 69.40 | 76.30 | a | 88.13 | 93.35 | 91.03 | 75.30 | c | 67.03 | 49.53 | 34.68 | 64.60 | ||||||||||
1986 | 47.19 | 54.00 | 62.74 | 63.70 | 74.48 | h | 90.57 | 90.29 | 92.90 | 75.37 | 64.83 | a | 55.55 | a | 43.17 | a | 67.30 | a | ||||||||
1987 | 31.50 | a | 46.07 | 53.20 | a | 71.03 | a | 74.87 | a | 87.77 | 88.74 | 88.48 | 81.86 | a | 72.26 | 48.69 | a | 38.90 | 65.28 | |||||||
1988 | 34.77 | 48.48 | 55.97 | a | 66.79 | b | 73.21 | c | 87.83 | 94.45 | 90.36 | c | 79.28 | a | 75.45 | 55.04 | b | 38.32 | 66.66 | |||||||
1989 | 37.19 | 37.36 | 67.04 | d | 73.66 | a | 74.80 | a | 80.83 | a | 96.03 | 88.53 | a | 80.89 | c | 68.93 | a | 55.21 | b | 45.41 | b | 67.16 | ||||
1990 | 47.68 | c | 38.36 | 60.38 | b | 73.31 | a | 75.39 | c | 86.17 | a | 93.39 | c | 90.07 | a | 84.13 | 68.61 | c | 53.66 | a | 36.28 | b | 67.29 | |||
1991 | 39.71 | c | 56.18 | 51.52 | b | 62.04 | c | 68.67 | a | 81.90 | 92.81 | 92.18 | c | 79.47 | 70.50 | c | 52.59 | h | 34.00 | i | 69.50 | b | ||||
1992 | 36.39 | 48.73 | c | 57.80 | f | 72.46 | b | 79.03 | 83.60 | 88.58 | 92.03 | a | 82.50 | 71.97 | b | 47.85 | c | 40.04 | c | 67.56 | a | |||||
1993 | 32.55 | b | 35.61 | 56.43 | a | 66.39 | b | 78.28 | b | 81.47 | 89.30 | a | 89.00 | b | 82.13 | 66.10 | 47.60 | 42.40 | a | 63.94 | ||||||
1994 | 49.24 | b | 47.59 | a | 61.50 | a | 65.17 | 77.87 | 91.07 | a | 95.58 | 93.71 | 84.29 | b | 65.87 | a | 46.43 | 43.61 | 68.49 | |||||||
1995 | ----- | z | 58.54 | 56.52 | 63.24 | a | 68.16 | 78.59 | c | 91.37 | a | 93.66 | b | 85.52 | c | 72.26 | d | 63.83 | 47.32 | 70.82 | a | |||||
1996 | 49.10 | a | 51.41 | 58.83 | a | 67.75 | b | 75.43 | a | 89.33 | 95.13 | 94.04 | c | 79.62 | d | 68.92 | f | 54.72 | a | 48.03 | a | 69.40 | a | |||
1997 | 40.35 | 44.81 | b | 63.89 | c | 59.21 | b | 78.87 | 84.29 | b | 90.32 | 91.10 | ----- | z | 70.00 | a | 54.23 | 40.13 | 65.20 | a | ||||||
1998 | 50.50 | a | 44.11 | 53.10 | 59.93 | a | 71.47 | a | 78.89 | b | 92.41 | b | 91.67 | a | 80.00 | a | 64.06 | 54.60 | 40.61 | 65.11 | ||||||
1999 | 47.42 | 52.54 | 61.30 | a | 57.45 | a | 72.61 | 84.77 | 91.29 | c | 89.50 | a | 79.83 | a | 74.74 | 63.21 | a | 46.10 | 68.40 | |||||||
2000 | 49.52 | 51.55 | 57.32 | 72.48 | a | 79.69 | b | 88.10 | 94.19 | 91.89 | c | 82.28 | a | 66.34 | b | 42.87 | 45.47 | a | 68.48 | |||||||
2001 | 35.40 | a | 45.29 | 59.17 | a | 63.87 | 81.00 | a | 90.15 | d | 92.23 | a | 93.77 | 86.24 | a | 73.34 | b | 54.26 | c | 36.45 | 67.60 | |||||
2002 | 42.52 | b | 46.56 | a | 55.27 | a | 69.45 | a | 77.03 | 90.22 | c | 96.80 | f | 90.86 | c | 79.96 | b | 63.86 | b | 49.87 | 44.90 | 64.59 | a | |||
2003 | 53.61 | 46.74 | a | 59.13 | a | 63.14 | a | 75.77 | 86.54 | b | 98.23 | a | 92.41 | d | 83.56 | c | 75.86 | b | 46.69 | a | 43.84 | 68.79 | ||||
2004 | 32.37 | a | 39.31 | 63.55 | b | 65.47 | 76.00 | c | 86.86 | b | 91.94 | 88.17 | b | 80.16 | e | 65.27 | e | 47.40 | 44.97 | a | 65.12 | |||||
2005 | 42.94 | 46.07 | 56.57 | a | 64.10 | 75.13 | 80.96 | b | ----- | z | 89.65 | 80.57 | 67.90 | b | 56.28 | a | 46.29 | 64.22 | a | |||||||
2006 | 47.87 | 48.71 | 51.30 | a | 68.27 | 78.65 | 89.97 | 95.00 | a | 90.39 | 79.82 | b | 65.21 | c | 55.61 | b | 40.13 | a | 67.58 | |||||||
2007 | 29.86 | b | 49.61 | 62.32 | 68.25 | b | 79.26 | 91.04 | c | 97.06 | 93.33 | a | 81.41 | a | 68.45 | b | 57.36 | b | 37.38 | b | 67.94 | |||||
2008 | 39.75 | c | 46.29 | a | 57.62 | b | 65.92 | d | 72.33 | a | 88.29 | b | 95.03 | a | 92.97 | 82.93 | 70.61 | 58.10 | 44.65 | 67.87 | ||||||
2009 | 48.29 | 48.04 | 58.23 | 64.47 | 78.68 | 80.73 | 93.35 | ----- | z | 86.57 | ----- | z | ----- | z | ----- | z | 69.79 | d | ||||||||
2010 | ----- | z | ----- | z | 59.00 | u | 62.60 | 67.79 | c | 85.21 | b | 93.35 | 90.77 | 85.62 | a | 66.90 | 49.55 | a | 42.16 | 71.55 | c | |||||
2011 | 30.06 | 40.82 | 57.19 | 62.07 | 67.45 | 82.63 | c | 91.06 | 94.35 | 83.87 | 68.58 | 52.50 | 38.03 | 64.05 | ||||||||||||
2012 | 48.81 | 46.03 | 59.77 | 69.60 | 78.55 | 90.37 | 93.35 | 92.39 | 83.43 | 70.65 | 57.50 | 40.87 | 69.28 | |||||||||||||
2013 | 27.48 | 42.00 | 60.13 | 64.60 | 75.84 | 91.30 | 94.52 | 90.71 | 77.63 | 64.00 | 54.23 | 33.29 | 64.64 | |||||||||||||
2014 | 44.90 | 50.32 | 60.94 | 66.03 | 76.35 | 87.77 | 94.45 | 86.77 | 82.73 | 72.84 | 54.77 | 47.29 | 68.76 | |||||||||||||
2015 | 44.48 | 56.86 | 64.00 | 67.13 | 70.52 | 91.23 | 89.90 | 92.35 | 85.67 | 70.65 | 47.77 | 42.90 | 68.62 | |||||||||||||
2016 | 35.61 | 43.48 | 61.32 | 65.23 | 73.06 | 91.77 | 95.16 | 91.68 | 81.37 | 71.97 | 59.10 | 41.06 | 67.57 | |||||||||||||
2017 | 35.84 | 51.50 | 64.23 | 64.43 | 76.16 | 91.20 | 94.55 | 91.13 | 78.77 | 67.58 | 59.70 | 47.30 | a | 68.53 | ||||||||||||
2018 | 46.52 | 47.25 | 56.10 | 70.17 | 75.10 | 90.50 | 96.10 | 92.90 | 86.70 | 64.00 | a | 50.90 | 41.48 | 68.14 | ||||||||||||
2019 | 41.90 | 43.00 | 53.71 | 66.83 | 67.29 | 83.97 | 94.29 | 95.23 | 82.00 | 64.13 | 54.20 | 41.00 | 65.63 | |||||||||||||
2020 | 48.29 | 50.79 | 57.10 | 67.67 | 79.45 | 86.72 | a | 95.81 | 97.48 | 86.23 | 74.58 | 54.97 | 41.16 | 70.02 | ||||||||||||
2021 | 42.81 | 50.07 | 55.48 | 67.43 | 77.10 | 92.50 | 96.00 | 91.74 | 85.30 | 65.45 | 59.20 | 45.48 | 69.05 | |||||||||||||
2022 | 43.84 | 45.56 | a | 58.00 | 67.87 | 75.63 | a | 88.33 | 95.61 | 91.35 | 86.50 | 69.00 | 45.40 | 41.32 | 67.37 | |||||||||||
2023 | 36.45 | 36.29 | 46.65 | 65.73 | 74.87 | 80.93 | 97.06 | 89.35 | 82.20 | 68.65 | 53.23 | 46.00 | 64.78 | |||||||||||||
2024 | 45.19 | 49.10 | 54.67 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.65 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.86 | 47.75 | 57.37 | 65.23 | 75.01 | 86.29 | 93.48 | 91.29 | 81.83 | 68.31 | 53.42 | 42.42 | 67.02 | |||||||||||||
S.D. | 6.34 | 5.09 | 4.34 | 4.22 | 3.73 | 3.84 | 2.17 | 2.37 | 2.90 | 3.74 | 4.52 | 4.30 | 1.63 | |||||||||||||
SKEW | -0.47 | -0.32 | 0.06 | -0.27 | -0.34 | -0.29 | -0.35 | -0.28 | -0.04 | 0.11 | -0.04 | 0.05 | -0.27 | |||||||||||||
MAX | 53.61 | 58.54 | 67.04 | 73.66 | 82.32 | 92.50 | 98.23 | 97.48 | 87.33 | 75.86 | 63.83 | 52.39 | 70.02 | |||||||||||||
MIN | 27.48 | 35.61 | 46.65 | 55.27 | 67.29 | 77.93 | 88.58 | 83.84 | 75.30 | 61.30 | 42.87 | 33.29 | 63.94 | |||||||||||||
YRS | 56 | 57 | 55 | 57 | 55 | 57 | 56 | 57 | 57 | 56 | 56 | 55 | 42 |