YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.47 | 92.32 | 91.13 | 82.73 | 68.77 | a | 58.07 | ----- | z | 78.25 | f | |||||
1968 | 47.19 | 51.77 | c | 57.07 | d | 61.46 | d | 71.90 | 82.70 | 91.85 | d | 80.81 | 78.93 | 67.96 | c | 52.30 | 45.00 | b | 65.75 | |||||||
1969 | 47.30 | a | 44.61 | 51.30 | d | 63.53 | 76.48 | 77.53 | 89.81 | 90.32 | 82.96 | c | 60.26 | 54.37 | 49.46 | c | 65.66 | |||||||||
1970 | 46.52 | 50.61 | 53.33 | a | 58.52 | a | 70.83 | a | 77.93 | ----- | z | 88.74 | 75.90 | 63.52 | 54.67 | 42.84 | 62.13 | a | ||||||||
1971 | 47.66 | b | 49.81 | b | 53.55 | 60.14 | a | 64.14 | c | 78.00 | a | 89.16 | 90.68 | 76.70 | 61.97 | 53.10 | 41.65 | 63.88 | ||||||||
1972 | 41.35 | 51.38 | 62.19 | 62.43 | 75.26 | d | 83.63 | 91.74 | 86.83 | b | 75.53 | ----- | z | ----- | z | ----- | z | 70.04 | c | |||||||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.10 | 52.63 | 49.03 | 56.59 | i | |||
1974 | ----- | z | ----- | z | 56.07 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.07 | k |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | 51.84 | 68.46 | b | 61.59 | d | 85.70 | 90.23 | e | 90.14 | b | 82.30 | 71.06 | ----- | z | ----- | z | 75.17 | d | ||||
1978 | ----- | z | ----- | z | 63.88 | o | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | 45.45 | h | 56.47 | a | 64.06 | n | ----- | z | ----- | z | ----- | z | 79.71 | n | 82.27 | 69.06 | 50.73 | 46.84 | 61.07 | g | ||||
1980 | 45.23 | 49.59 | 51.03 | 61.90 | a | 67.87 | 74.69 | a | 87.61 | 86.67 | a | 76.60 | 67.26 | 57.31 | d | 48.93 | b | 64.56 | ||||||||
1981 | 47.69 | b | 49.79 | 54.61 | 65.57 | 71.06 | 83.53 | 88.45 | 92.10 | 82.27 | 61.52 | 55.67 | 51.32 | 66.96 | ||||||||||||
1982 | 41.84 | 49.41 | a | 50.94 | 57.79 | a | 70.87 | 79.20 | 85.97 | 88.71 | 72.90 | 61.94 | 48.13 | 44.87 | 62.71 | |||||||||||
1983 | 45.61 | 49.89 | 52.26 | 55.00 | 69.81 | 78.93 | 83.26 | 84.42 | 78.80 | 65.48 | 51.70 | 46.26 | 63.45 | |||||||||||||
1984 | 38.68 | 47.11 | a | 55.60 | a | 58.83 | 73.00 | 77.80 | 90.16 | 87.23 | 78.31 | a | 59.41 | i | 51.41 | h | 42.19 | j | 67.41 | c | ||||||
1985 | 38.32 | i | 46.29 | g | 49.50 | i | 64.00 | i | 71.84 | f | 85.03 | 90.68 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 87.86 | j | ||
1986 | ----- | z | ----- | z | ----- | z | 59.50 | 70.75 | c | 84.29 | b | 85.32 | 89.63 | d | 69.79 | b | 64.00 | a | 57.27 | 45.74 | 69.59 | c | ||||
1987 | 42.06 | 48.48 | a | 53.00 | b | 66.79 | b | 72.00 | c | 80.40 | e | 83.38 | b | 87.53 | a | 79.50 | 69.90 | 53.03 | 44.03 | a | 65.01 | |||||
1988 | 40.57 | a | 48.83 | 55.16 | 63.07 | 69.65 | 80.43 | 91.48 | 87.97 | a | 79.20 | 71.74 | 53.20 | 42.55 | 65.32 | |||||||||||
1989 | 38.42 | 39.21 | 57.30 | a | 67.54 | b | 69.10 | 81.70 | 91.63 | a | 82.97 | 76.75 | b | 64.53 | a | 54.59 | a | 46.93 | a | 64.22 | ||||||
1990 | 44.58 | 41.43 | 56.16 | 66.37 | 68.67 | a | 80.50 | 89.71 | 86.13 | a | 80.14 | a | 69.65 | 55.35 | d | 35.29 | 64.50 | |||||||||
1991 | ----- | z | 53.75 | 49.94 | 58.83 | 64.26 | 78.03 | 90.10 | b | 86.83 | b | 80.43 | 70.48 | 55.07 | 46.90 | 66.78 | a | |||||||||
1992 | 45.97 | 52.50 | a | 58.41 | b | 69.40 | 79.68 | 81.48 | a | 86.39 | 89.71 | 79.90 | a | 69.48 | b | 52.28 | a | 42.45 | 67.30 | |||||||
1993 | 38.29 | 42.82 | 58.45 | 62.00 | 73.23 | 76.43 | 84.26 | 84.87 | 79.60 | 66.61 | 50.97 | 45.55 | 63.59 | |||||||||||||
1994 | 47.00 | a | 47.71 | 58.90 | 65.00 | a | 72.57 | a | 83.62 | a | 93.33 | a | 90.27 | a | 80.73 | 65.39 | c | 44.41 | a | 43.70 | d | 66.05 | ||||
1995 | 45.89 | c | 56.28 | c | 53.86 | b | 60.14 | b | 66.73 | a | 75.53 | 86.50 | a | 87.86 | b | 82.54 | b | 68.29 | c | 62.04 | c | 50.81 | 66.37 | |||
1996 | 49.35 | 49.41 | 54.90 | b | 63.59 | a | 71.28 | b | 81.84 | e | 91.39 | c | 88.39 | c | 78.30 | 64.24 | b | 54.37 | 49.71 | 66.40 | ||||||
1997 | 44.23 | a | 49.04 | a | 60.77 | a | 61.38 | a | 76.10 | a | 80.15 | d | 85.34 | b | 88.46 | c | 78.90 | 65.07 | b | 56.68 | b | 43.66 | b | 65.82 | ||
1998 | 50.53 | a | 46.75 | 54.35 | 57.69 | a | 62.81 | 75.15 | c | 90.79 | b | 89.43 | c | 77.92 | f | 63.79 | b | 53.70 | c | 42.89 | d | 62.54 | a | |||
1999 | 46.40 | a | 48.21 | d | 54.93 | d | 57.35 | d | 69.00 | 79.74 | c | 87.72 | f | 83.36 | c | 77.92 | d | 69.26 | 59.36 | b | 48.00 | b | 63.05 | a | ||
2000 | 48.10 | 49.96 | c | 57.93 | a | 69.74 | c | 70.41 | n | 82.79 | a | 86.83 | b | 87.52 | f | 75.46 | f | 64.74 | h | 46.96 | f | 47.50 | m | 65.89 | f | |
2001 | 42.62 | j | 45.43 | e | 57.04 | h | 58.70 | g | 79.38 | j | 82.58 | f | 86.05 | j | 90.04 | g | 79.73 | s | 69.86 | j | 55.11 | l | 46.43 | q | 45.43 | k |
2002 | 44.50 | s | 49.44 | l | 54.17 | m | 63.36 | e | 69.65 | h | 83.65 | m | 90.95 | k | 85.76 | n | 78.80 | j | 62.58 | 52.72 | a | 48.14 | c | 56.70 | h | |
2003 | 51.16 | 46.86 | 57.33 | a | 57.43 | 70.16 | 83.93 | 91.42 | 86.03 | 80.50 | 72.71 | 49.76 | a | 46.17 | a | 66.12 | ||||||||||
2004 | 44.57 | c | 46.85 | c | 60.58 | 63.47 | 71.58 | 81.80 | 89.30 | a | 84.93 | a | 77.27 | 61.90 | 48.00 | a | 42.32 | c | 64.38 | |||||||
2005 | 37.03 | b | 43.52 | a | 55.65 | 59.52 | a | 67.58 | 73.93 | 91.13 | 87.89 | d | 73.17 | a | 64.47 | a | 54.00 | b | 46.22 | d | 62.84 | |||||
2006 | 46.62 | b | 46.40 | c | 44.12 | g | 57.00 | i | 72.31 | b | 81.21 | a | 91.48 | 85.00 | e | 78.81 | i | 61.72 | b | 54.52 | a | 44.10 | b | 64.82 | c | |
2007 | 39.42 | g | 47.00 | l | 58.37 | a | 63.04 | c | 73.39 | c | 83.31 | a | 91.33 | j | 87.67 | d | 73.54 | b | 62.00 | c | 54.78 | c | 43.54 | c | 66.62 | c |
2008 | 39.04 | e | 46.46 | c | 54.93 | c | 60.50 | d | 66.93 | b | 80.10 | j | 89.43 | a | 87.74 | 77.88 | e | 63.88 | e | 55.00 | e | 43.83 | g | 64.18 | b | |
2009 | 44.23 | a | 48.07 | 51.10 | 59.27 | 74.61 | 74.07 | 88.97 | 85.25 | c | 82.47 | 60.06 | 53.43 | 35.48 | 63.08 | |||||||||||
2010 | 43.48 | 46.71 | 53.16 | 55.53 | 61.55 | 78.03 | 88.57 | a | 84.10 | 76.60 | 64.23 | 50.70 | 47.97 | a | 62.55 | |||||||||||
2011 | 42.16 | 43.26 | a | 52.16 | 58.14 | a | 64.32 | 74.17 | 85.52 | 85.97 | 79.87 | 65.45 | 50.77 | 42.90 | 62.06 | |||||||||||
2012 | 46.29 | 46.72 | 54.68 | 62.80 | 71.87 | 79.23 | 88.19 | 89.87 | 81.10 | 67.19 | 55.50 | 45.16 | 65.72 | |||||||||||||
2013 | 34.23 | 45.71 | 56.48 | 61.80 | 69.94 | 81.67 | 91.19 | 84.87 | 76.67 | 59.97 | 52.40 | 37.77 | 62.72 | |||||||||||||
2014 | 46.00 | 51.36 | 55.84 | 63.13 | 72.42 | 81.47 | 90.16 | 83.74 | 78.63 | 67.87 | 54.00 | a | 48.29 | 66.08 | ||||||||||||
2015 | 45.87 | 53.36 | 58.00 | 62.33 | 67.71 | 84.10 | 84.13 | 86.65 | 79.07 | 68.19 | 48.70 | 45.55 | 65.30 | |||||||||||||
2016 | 44.77 | 49.38 | 56.74 | 63.70 | 67.61 | 83.43 | 88.31 | b | 88.00 | b | 77.50 | 64.10 | 55.50 | 43.74 | 65.23 | |||||||||||
2017 | 39.97 | 49.07 | 55.90 | 59.10 | 71.39 | 81.00 | 89.80 | a | 87.48 | 75.93 | 62.26 | 56.13 | 44.77 | 64.40 | ||||||||||||
2018 | 48.71 | 46.21 | 50.26 | 61.60 | 69.35 | 80.80 | 90.65 | 87.19 | 78.07 | 62.71 | 52.03 | 43.10 | 64.22 | |||||||||||||
2019 | 44.84 | 42.21 | 50.03 | 63.27 | 65.16 | 78.40 | 85.81 | 86.10 | 74.77 | 59.48 | 51.83 | 44.29 | 62.18 | |||||||||||||
2020 | 47.81 | 49.28 | 51.65 | 62.47 | 69.85 | e | 79.62 | a | 89.26 | 88.61 | 79.30 | 76.67 | y | 52.20 | 44.94 | 65.00 | a | |||||||||
2021 | 45.65 | 47.64 | 51.45 | 64.57 | 73.52 | d | 86.83 | 92.94 | 86.06 | 78.24 | m | 60.65 | 54.38 | d | 43.45 | 64.29 | a | |||||||||
2022 | 45.81 | 46.68 | 55.61 | 60.10 | 68.42 | 80.73 | 91.58 | 88.48 | 79.53 | 66.81 | 46.67 | 42.39 | c | 64.40 | ||||||||||||
2023 | 37.27 | p | 44.89 | 47.23 | 62.23 | 69.03 | 73.09 | s | 90.14 | q | 84.68 | 74.07 | 64.48 | 52.27 | 46.58 | 60.61 | c | |||||||||
2024 | 47.23 | 48.24 | 52.55 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.34 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.56 | 47.88 | 54.79 | 61.90 | 69.94 | 80.23 | 89.01 | 87.18 | 78.35 | 65.36 | 53.32 | 44.92 | 64.65 | |||||||||||||
S.D. | 3.75 | 3.32 | 3.17 | 3.41 | 3.86 | 3.25 | 2.67 | 2.37 | 2.94 | 3.47 | 3.21 | 3.40 | 1.45 | |||||||||||||
SKEW | -0.77 | -0.15 | 0.03 | 0.30 | -0.15 | -0.22 | -0.59 | -0.28 | -0.60 | 0.20 | -0.19 | -0.74 | -0.15 | |||||||||||||
MAX | 51.16 | 56.28 | 62.19 | 69.74 | 79.68 | 86.83 | 93.33 | 92.10 | 82.96 | 72.71 | 62.04 | 51.32 | 67.30 | |||||||||||||
MIN | 34.23 | 39.21 | 47.23 | 55.00 | 61.55 | 73.93 | 83.26 | 80.81 | 69.79 | 59.48 | 44.41 | 35.29 | 62.06 | |||||||||||||
YRS | 43 | 46 | 48 | 47 | 46 | 47 | 45 | 47 | 45 | 47 | 47 | 45 | 32 |