YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.13 | 71.23 | ----- | z | 41.71 | 61.69 | i | |||
1966 | 41.39 | 41.43 | 52.68 | 62.23 | 74.16 | 74.90 | 86.10 | 88.87 | a | 81.93 | 63.55 | 51.47 | 42.57 | a | 63.44 | |||||||||||
1967 | 44.77 | a | 48.43 | 49.35 | 53.77 | 68.74 | 80.07 | 92.93 | q | 93.37 | a | 84.03 | a | 62.77 | 48.03 | 37.39 | 60.97 | a | ||||||||
1968 | 38.68 | 46.86 | 55.42 | 55.57 | 67.39 | 75.43 | 88.46 | e | 79.10 | 76.00 | 60.90 | 44.90 | 36.55 | 60.44 | ||||||||||||
1969 | 35.29 | 39.54 | 53.06 | 61.13 | 72.68 | 77.72 | a | 85.30 | a | 86.97 | a | 76.28 | a | 57.84 | 51.10 | 41.53 | a | 61.54 | ||||||||
1970 | 40.65 | 49.32 | 48.50 | a | 52.20 | 68.81 | 78.28 | a | 88.45 | 91.35 | 69.77 | 58.84 | 45.80 | 36.06 | 60.67 | |||||||||||
1971 | 40.45 | 45.89 | 45.42 | 58.87 | 69.55 | 71.70 | 87.45 | 93.48 | 71.37 | 59.97 | 45.90 | 35.74 | 60.48 | |||||||||||||
1972 | 35.52 | 42.36 | a | 54.29 | 54.27 | 71.26 | 77.70 | 85.61 | 88.53 | a | 71.00 | a | 62.90 | 46.29 | b | 33.16 | 60.24 | |||||||||
1973 | 35.84 | 45.54 | 51.80 | a | 60.31 | a | 72.97 | 80.03 | 90.94 | 87.39 | 76.14 | a | ----- | z | ----- | z | 43.23 | 64.42 | b | |||||||
1974 | 33.97 | 43.79 | 49.74 | 56.97 | 63.74 | 83.50 | 86.23 | a | 87.80 | a | 84.04 | b | 66.71 | 50.86 | a | 38.60 | a | 62.16 | ||||||||
1975 | 36.19 | 40.00 | 47.42 | 51.37 | 66.32 | 72.52 | a | 87.77 | 80.94 | 80.87 | 59.94 | 47.57 | 42.19 | 59.42 | ||||||||||||
1976 | 39.45 | 42.24 | 48.26 | 57.38 | a | 71.16 | 74.00 | 86.87 | 78.16 | 80.70 | 66.97 | 50.83 | a | 43.43 | a | 61.62 | ||||||||||
1977 | 32.68 | 49.00 | 47.19 | 68.40 | 61.06 | 83.03 | 86.48 | 88.17 | a | 72.33 | 63.27 | a | 45.07 | a | 42.43 | a | 61.59 | |||||||||
1978 | 42.58 | 43.48 | c | 58.03 | 57.72 | a | 64.32 | 79.00 | 86.10 | b | 83.60 | a | 74.17 | 69.23 | a | 41.43 | 33.10 | 61.06 | ||||||||
1979 | 28.27 | a | 41.04 | c | 53.13 | 56.97 | 69.68 | 79.48 | a | 88.90 | a | 84.42 | 80.73 | 66.75 | c | 44.53 | 44.16 | 61.50 | ||||||||
1980 | 35.77 | 45.72 | 48.77 | 62.45 | a | 66.52 | 70.73 | 84.65 | 81.31 | b | 78.07 | a | 65.47 | a | 50.62 | a | 45.77 | 61.32 | ||||||||
1981 | 43.90 | a | 46.36 | 54.71 | 59.03 | 64.23 | 73.33 | 84.81 | 91.13 | 79.23 | 60.87 | 50.43 | 41.59 | b | 62.47 | |||||||||||
1982 | 36.23 | a | 42.81 | b | 50.71 | 56.00 | c | 67.81 | e | 77.60 | 83.00 | 86.41 | d | 73.11 | c | 60.24 | b | 44.21 | a | 38.27 | a | 59.70 | ||||
1983 | 42.63 | a | 47.15 | a | 53.40 | a | 58.00 | d | 69.78 | d | 75.19 | c | 81.07 | c | 87.59 | b | 73.70 | c | 64.23 | a | 48.23 | d | 31.17 | a | 61.01 | |
1984 | 33.93 | b | 38.45 | 48.45 | 53.10 | 61.23 | 70.23 | 85.67 | a | 86.52 | 69.50 | d | 56.41 | d | 45.37 | 33.16 | 56.83 | |||||||||
1985 | 32.48 | 34.69 | b | 46.34 | b | 61.52 | c | 66.84 | 77.47 | 93.90 | 81.27 | a | 65.11 | c | 58.06 | 34.73 | 30.13 | a | 56.88 | |||||||
1986 | 43.13 | a | 44.96 | a | 55.67 | a | 58.57 | b | 67.32 | 82.90 | 80.32 | 90.97 | 67.93 | 64.84 | 45.27 | 39.32 | 61.77 | |||||||||
1987 | 36.19 | 45.54 | 51.10 | 66.17 | 69.58 | 78.23 | 81.26 | 83.81 | 83.14 | b | 71.42 | 50.00 | a | 39.26 | 62.97 | |||||||||||
1988 | 35.59 | b | 44.00 | b | 51.03 | 60.43 | 67.63 | d | 74.60 | 85.69 | b | 86.97 | 76.80 | 73.32 | i | 46.20 | 35.57 | c | 60.41 | a | ||||||
1989 | 34.79 | b | 32.93 | 48.58 | 61.83 | 66.77 | a | 79.00 | 86.30 | h | 78.53 | a | 76.33 | 61.45 | b | 48.62 | a | 43.67 | a | 57.50 | a | |||||
1990 | 41.13 | 42.15 | a | 54.47 | a | 64.23 | 63.14 | b | 72.17 | 87.67 | a | 85.13 | 84.17 | 59.03 | a | 47.28 | a | 33.52 | f | 63.69 | a | |||||
1991 | 37.30 | d | 52.22 | j | 46.70 | k | 55.18 | m | 61.80 | f | 69.27 | 84.81 | 88.61 | 80.48 | a | 65.00 | 45.33 | c | 43.19 | 64.25 | d | |||||
1992 | 42.86 | c | 51.85 | c | 59.33 | a | 62.03 | 74.97 | 81.50 | 82.58 | 86.81 | 74.03 | 66.13 | 42.30 | 33.69 | b | 63.17 | |||||||||
1993 | 29.77 | e | 34.21 | 47.55 | 55.13 | 71.94 | 70.03 | 72.16 | 79.19 | d | 77.43 | 64.19 | 43.53 | 40.74 | 57.16 | |||||||||||
1994 | 43.61 | 40.93 | 56.19 | 60.57 | 68.87 | a | 74.23 | 88.42 | 88.68 | 80.13 | 60.41 | b | 39.62 | a | 39.00 | c | 61.72 | |||||||||
1995 | 40.81 | 49.61 | 50.55 | 56.23 | 66.68 | 71.34 | a | 82.87 | 82.89 | c | 79.33 | 57.35 | 49.30 | 41.19 | 60.68 | |||||||||||
1996 | 40.00 | 42.07 | 52.55 | 59.27 | 62.13 | 74.87 | 88.19 | 85.45 | 72.67 | 61.87 | a | 48.03 | 40.38 | b | 60.62 | |||||||||||
1997 | 40.18 | c | 42.78 | j | 51.71 | c | 54.43 | 71.42 | 74.33 | 83.36 | c | 87.77 | 77.70 | 61.71 | 48.43 | 39.77 | 62.80 | a | ||||||||
1998 | 42.33 | a | 45.71 | 51.03 | 57.27 | 64.04 | c | 72.40 | 89.58 | 88.90 | 81.93 | 62.23 | 47.63 | 37.52 | 61.71 | |||||||||||
1999 | 41.45 | 40.96 | 50.26 | 55.97 | 63.61 | 73.97 | 85.65 | 87.42 | 78.03 | 66.29 | 53.10 | 36.40 | a | 61.09 | ||||||||||||
2000 | 37.87 | a | 44.69 | 48.74 | 62.80 | 66.90 | 77.20 | 87.32 | 89.16 | 72.50 | 60.45 | 40.37 | 37.23 | 60.44 | ||||||||||||
2001 | 35.29 | 40.57 | 52.77 | 55.20 | 70.71 | 72.87 | 85.06 | 90.58 | 81.53 | 62.77 | 51.40 | 36.97 | a | 61.31 | ||||||||||||
2002 | 38.10 | a | 40.89 | 45.84 | 58.50 | 65.76 | b | 77.64 | b | 90.00 | 82.71 | 77.63 | 59.68 | 49.53 | 41.67 | a | 60.66 | |||||||||
2003 | 43.16 | 41.96 | 51.58 | 56.47 | 65.48 | 79.00 | 92.29 | 88.48 | 79.23 | 67.39 | c | 41.37 | 38.84 | 62.11 | ||||||||||||
2004 | 34.59 | d | 41.17 | 57.16 | 62.27 | 65.10 | 76.10 | 85.58 | 83.13 | 72.47 | 61.00 | a | 46.43 | 40.94 | 60.49 | |||||||||||
2005 | 40.00 | 46.04 | 54.23 | 56.83 | 66.23 | 70.47 | 85.68 | 87.06 | 73.57 | 63.10 | a | 44.43 | 35.61 | 60.27 | ||||||||||||
2006 | 41.61 | 40.89 | 47.58 | 58.10 | 69.77 | 75.80 | 90.00 | 84.35 | 75.43 | 60.15 | e | 45.97 | 37.79 | c | 60.62 | |||||||||||
2007 | 34.97 | 45.00 | 54.84 | 58.90 | 69.39 | 75.90 | 89.23 | 83.29 | 75.00 | 59.90 | 47.20 | 34.63 | a | 60.69 | ||||||||||||
2008 | 32.71 | 42.76 | 46.03 | 53.68 | b | 65.84 | 72.10 | 84.81 | 83.84 | 77.00 | b | 62.61 | 50.30 | c | 34.71 | 58.87 | ||||||||||
2009 | 36.71 | 42.54 | 43.58 | 58.40 | 68.23 | 74.97 | 85.68 | 83.97 | a | 81.73 | 55.29 | 49.45 | a | 33.00 | 59.46 | |||||||||||
2010 | 41.48 | 43.67 | a | 52.81 | 54.37 | 59.77 | 69.77 | 82.55 | 81.90 | 72.47 | 61.94 | 43.87 | 38.26 | 58.57 | ||||||||||||
2011 | 36.74 | 39.39 | 46.23 | 50.90 | a | 58.52 | 69.27 | 80.23 | 85.97 | 79.13 | 60.10 | 44.27 | 38.52 | 57.44 | ||||||||||||
2012 | 40.61 | 43.03 | 48.84 | 62.00 | 66.16 | 71.17 | a | 86.19 | 89.40 | a | 78.77 | 59.97 | 49.63 | 39.29 | 61.26 | |||||||||||
2013 | 31.13 | 44.00 | 52.58 | 56.43 | 68.50 | a | 75.41 | h | ----- | z | 90.86 | b | 74.62 | a | 59.43 | a | 46.86 | a | 33.28 | b | 55.77 | b | ||||
2014 | 41.16 | 40.36 | 54.87 | 59.67 | 69.65 | 73.57 | 91.94 | 87.23 | 79.23 | 67.23 | 45.40 | 44.42 | 62.89 | |||||||||||||
2015 | 40.68 | 53.04 | 59.26 | 60.50 | 70.87 | 84.67 | 87.23 | 88.57 | a | 75.52 | a | 69.61 | 46.13 | 38.52 | 64.55 | |||||||||||
2016 | 39.61 | 48.15 | b | 52.48 | 68.18 | b | 70.03 | b | 78.40 | 80.68 | c | 88.13 | 74.93 | 62.37 | a | 54.40 | 31.87 | 62.44 | ||||||||
2017 | 29.97 | 43.64 | 52.19 | 56.73 | 70.97 | 77.37 | 92.81 | 90.81 | 77.50 | 60.50 | a | 50.03 | 36.55 | 61.59 | ||||||||||||
2018 | 44.97 | 42.96 | 50.90 | 60.83 | 74.06 | 77.57 | 92.27 | a | 90.22 | d | 77.23 | 62.55 | b | 47.73 | 37.90 | a | 63.27 | |||||||||
2019 | 41.03 | 35.54 | 47.52 | 61.10 | 69.53 | a | 78.33 | 86.52 | 88.69 | b | 75.20 | 58.58 | 53.44 | c | 41.93 | b | 61.45 | |||||||||
2020 | 42.45 | 45.90 | 54.00 | p | ----- | z | ----- | z | 75.80 | 88.81 | 90.29 | 82.53 | 65.48 | 48.50 | b | 42.42 | 64.69 | c | ||||||||
2021 | 42.23 | 40.64 | 53.71 | 66.33 | 72.10 | 86.60 | 94.81 | 87.26 | 80.66 | a | 63.74 | 51.80 | 39.71 | 64.96 | ||||||||||||
2022 | 35.58 | 42.16 | i | 53.95 | j | 54.47 | o | 68.69 | r | 74.92 | r | 96.32 | l | 95.23 | 84.70 | 70.71 | 42.67 | 36.19 | 60.85 | f | ||||||
2023 | 40.42 | 41.79 | 43.86 | c | 56.60 | 75.35 | 79.10 | 91.54 | g | 90.54 | g | 77.58 | f | 63.94 | 49.10 | 43.74 | 54.88 | c | ||||||||
2024 | 38.84 | 46.59 | 53.89 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.44 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.33 | 43.29 | 51.22 | 58.62 | 67.91 | 75.97 | 86.41 | 86.64 | 76.88 | 62.75 | 47.06 | 38.55 | 60.99 | |||||||||||||
S.D. | 4.04 | 4.01 | 3.71 | 3.94 | 3.78 | 4.07 | 3.95 | 3.83 | 4.36 | 3.70 | 3.69 | 3.75 | 1.77 | |||||||||||||
SKEW | -0.49 | -0.18 | 0.07 | 0.41 | -0.28 | 0.38 | -0.61 | -0.30 | -0.28 | 0.50 | -0.63 | -0.22 | -0.43 | |||||||||||||
MAX | 44.97 | 53.04 | 59.33 | 68.40 | 75.35 | 86.60 | 94.81 | 95.23 | 84.70 | 71.42 | 54.40 | 45.77 | 64.96 | |||||||||||||
MIN | 28.27 | 32.93 | 43.58 | 50.90 | 58.52 | 69.27 | 72.16 | 78.16 | 65.11 | 55.29 | 34.73 | 30.13 | 56.83 | |||||||||||||
YRS | 59 | 56 | 56 | 55 | 55 | 56 | 53 | 57 | 58 | 57 | 57 | 58 | 47 |