YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.50 | p | 88.16 | 86.74 | 73.13 | 70.16 | 55.60 | 42.30 | a | 69.35 | f | |||||
1966 | 38.74 | 39.07 | 53.00 | p | 64.87 | 78.39 | 83.63 | 92.23 | 88.58 | 77.90 | 62.73 | a | 50.63 | 40.20 | f | 67.68 | b | |||||||||
1967 | 41.10 | 47.18 | 57.36 | c | 61.00 | a | 73.32 | c | 78.50 | b | 90.86 | b | 89.21 | b | 79.41 | a | 69.68 | c | 55.53 | 35.85 | d | 64.92 | ||||
1968 | 40.62 | g | 47.07 | b | 57.75 | k | 57.72 | a | 74.00 | k | 86.08 | d | 88.77 | 80.28 | b | 78.91 | h | 68.41 | b | 49.20 | 36.81 | 64.29 | d | |||
1969 | 43.68 | 47.14 | 47.55 | 64.77 | 77.57 | a | 81.43 | 90.97 | 89.71 | 80.76 | a | 58.48 | 49.93 | 44.52 | 64.71 | |||||||||||
1970 | 41.70 | a | 51.15 | a | 47.84 | 55.27 | 76.29 | 84.80 | 92.52 | 89.41 | d | 76.73 | 62.03 | b | 50.37 | 42.48 | 64.22 | |||||||||
1971 | 43.29 | 44.37 | a | 53.42 | 63.40 | 71.45 | 86.47 | 94.19 | 88.13 | a | 76.13 | 60.77 | 47.73 | 35.90 | 63.77 | |||||||||||
1972 | 43.03 | 50.69 | 62.52 | 65.20 | 76.39 | 85.07 | 92.84 | 87.71 | 77.37 | 58.84 | 42.93 | 37.23 | 64.98 | |||||||||||||
1973 | 34.81 | 42.79 | 44.97 | 58.43 | 73.23 | 83.60 | 90.87 | 88.13 | 78.60 | 68.48 | 53.13 | 42.32 | 63.28 | |||||||||||||
1974 | 34.81 | 42.71 | 57.16 | 61.83 | 79.10 | 90.93 | 89.65 | 88.06 | 80.23 | 66.42 | 49.20 | 38.52 | 64.89 | |||||||||||||
1975 | 38.97 | 42.11 | 48.00 | 55.30 | 69.32 | 81.53 | 88.16 | 86.74 | 77.90 | 68.26 | 51.24 | a | 43.19 | 62.56 | ||||||||||||
1976 | 41.81 | 50.10 | 51.32 | 63.30 | 74.90 | 85.37 | 92.32 | 86.97 | 77.30 | 63.74 | 54.50 | 45.10 | 65.56 | |||||||||||||
1977 | 38.00 | 48.86 | 51.45 | 65.50 | 69.03 | b | 87.54 | b | 89.97 | 88.07 | b | 81.10 | 68.97 | 53.59 | a | 47.06 | 65.76 | |||||||||
1978 | 39.77 | 41.68 | ----- | z | 60.90 | 70.55 | 85.60 | 91.00 | 88.52 | 77.97 | 69.10 | 48.87 | 33.84 | 64.34 | a | |||||||||||
1979 | 31.68 | 41.25 | 49.10 | 62.97 | 71.63 | a | 83.80 | 90.77 | 84.58 | 83.43 | 69.58 | 44.37 | 41.29 | 62.87 | ||||||||||||
1980 | 39.27 | a | 46.90 | 47.26 | 62.07 | 68.48 | 86.37 | 92.81 | 88.13 | 80.03 | a | 65.52 | 54.50 | 50.84 | 65.18 | |||||||||||
1981 | 49.55 | 50.14 | 50.19 | 68.90 | 72.06 | 88.13 | 90.03 | 86.74 | 77.70 | 60.81 | 54.90 | 45.16 | 66.19 | |||||||||||||
1982 | 39.97 | b | 41.68 | 50.45 | 60.17 | 71.61 | 82.31 | a | 88.55 | 86.00 | 77.00 | 60.94 | 46.43 | 40.87 | 62.16 | |||||||||||
1983 | 41.81 | 44.93 | 47.68 | 53.40 | 68.74 | 78.47 | 85.94 | 85.87 | 80.67 | 62.16 | 48.60 | 39.48 | 61.48 | |||||||||||||
1984 | 39.48 | 44.14 | 50.73 | a | 57.52 | c | 77.71 | 80.79 | a | 87.52 | 84.10 | 77.87 | 56.17 | a | 50.14 | a | 39.20 | a | 62.11 | |||||||
1985 | 38.74 | 39.68 | 49.19 | 63.60 | 70.68 | 86.20 | 89.32 | 88.26 | 71.24 | a | 63.68 | c | 47.59 | a | 43.52 | 62.64 | ||||||||||
1986 | 47.65 | 46.96 | 57.23 | 60.07 | 71.32 | 84.20 | 85.10 | 87.19 | 70.17 | 60.16 | 49.07 | 41.10 | a | 63.35 | ||||||||||||
1987 | 37.45 | b | 42.21 | 46.68 | 64.10 | 69.52 | 84.67 | 85.32 | 81.61 | 77.30 | 67.61 | 47.24 | a | 37.63 | a | 61.78 | ||||||||||
1988 | 36.62 | b | 45.79 | a | 50.45 | 59.83 | 70.87 | 83.73 | 89.16 | 84.65 | 73.67 | 71.06 | 49.03 | 40.65 | 62.96 | |||||||||||
1989 | 34.23 | 40.50 | 57.45 | 67.77 | 73.26 | 82.57 | 89.87 | a | 82.62 | b | 77.90 | 64.45 | 53.30 | 43.72 | b | 63.97 | ||||||||||
1990 | 39.72 | b | 44.21 | 53.87 | 63.03 | 69.81 | 86.87 | 87.16 | 84.48 | 77.43 | 63.68 | 48.97 | 32.68 | 62.66 | ||||||||||||
1991 | 33.74 | 48.39 | 45.81 | 58.13 | 70.03 | 80.83 | 87.00 | 85.16 | 76.93 | 66.32 | 46.77 | 35.45 | 61.21 | |||||||||||||
1992 | 35.74 | 43.76 | 51.87 | 67.53 | 71.06 | 80.00 | p | 83.39 | 83.75 | c | 77.03 | a | 67.26 | 43.97 | a | 33.89 | d | 59.93 | a | |||||||
1993 | 37.07 | b | 41.26 | a | 53.23 | 61.37 | 71.35 | 79.73 | 86.52 | 82.77 | 78.03 | 60.52 | 45.80 | 40.15 | d | 61.48 | ||||||||||
1994 | 42.39 | 40.07 | 57.13 | 60.73 | 72.58 | 88.20 | 91.39 | 88.58 | 79.23 | 60.65 | 43.11 | c | 40.21 | b | 63.69 | |||||||||||
1995 | 38.62 | b | 53.33 | a | 51.94 | 57.37 | 63.71 | 77.37 | 87.48 | 88.23 | 78.40 | 65.77 | 56.00 | b | 46.07 | c | 63.69 | |||||||||
1996 | 41.84 | 48.10 | 54.32 | 62.87 | 76.23 | 85.57 | 91.42 | 87.71 | 73.33 | 62.58 | 51.48 | c | 42.68 | 64.84 | ||||||||||||
1997 | 40.17 | a | 43.15 | b | 58.19 | 56.13 | 74.13 | 81.77 | 85.83 | a | 83.06 | 76.97 | 61.58 | 49.37 | 39.50 | e | 62.49 | |||||||||
1998 | 42.26 | 39.68 | 50.73 | a | 56.57 | 70.55 | 78.67 | 88.81 | 86.87 | 78.13 | 60.29 | 49.47 | 42.80 | a | 62.07 | |||||||||||
1999 | 44.81 | 47.75 | 58.52 | 54.10 | 69.10 | 80.73 | 85.29 | 81.10 | 75.17 | 69.58 | 58.33 | 41.23 | 63.81 | |||||||||||||
2000 | 42.58 | 45.97 | 49.19 | 67.23 | 77.52 | 85.23 | 90.06 | 89.29 | 79.00 | 62.06 | 41.13 | 43.27 | a | 64.38 | ||||||||||||
2001 | 38.00 | a | 43.14 | 52.23 | 60.63 | 74.84 | 84.73 | 87.84 | 84.10 | 81.87 | 68.65 | 53.34 | a | 37.65 | 63.92 | |||||||||||
2002 | 40.07 | a | 44.21 | 50.52 | 67.00 | 73.48 | 88.00 | 91.42 | 87.16 | 75.13 | 60.74 | 49.66 | a | 41.13 | 64.04 | |||||||||||
2003 | 47.34 | b | 43.25 | 50.97 | 60.80 | 74.42 | 84.40 | 94.06 | 86.55 | 77.70 | 69.90 | 46.40 | 42.28 | b | 64.84 | |||||||||||
2004 | 37.87 | a | 39.10 | 60.32 | 59.27 | 72.94 | 83.77 | 87.97 | 84.90 | 74.73 | 59.65 | 46.13 | 40.43 | a | 62.26 | |||||||||||
2005 | 42.77 | a | 43.32 | 51.29 | 60.57 | b | 72.47 | a | 79.73 | 92.23 | a | 82.19 | 76.52 | a | 64.55 | 52.62 | a | 42.90 | 63.43 | |||||||
2006 | 42.32 | 46.46 | 48.29 | 63.79 | b | 77.04 | c | 86.93 | b | 89.93 | b | 84.52 | 71.03 | a | 60.35 | 52.34 | a | 40.59 | b | 63.63 | ||||||
2007 | 37.93 | a | 45.36 | 56.31 | b | 62.40 | 72.16 | 85.03 | 91.45 | 86.13 | a | 77.57 | g | 64.43 | a | 56.76 | a | 35.45 | b | 63.04 | a | |||||
2008 | 34.21 | c | 40.11 | a | 51.97 | 60.23 | 66.65 | 81.53 | 89.26 | 81.74 | 76.57 | 62.87 | a | 53.77 | 37.06 | 61.33 | ||||||||||
2009 | 41.81 | 45.07 | 53.32 | 56.97 | 73.61 | c | 75.90 | 89.08 | g | 86.30 | d | 76.21 | a | 60.00 | 53.40 | 33.38 | b | 59.63 | a | |||||||
2010 | 35.90 | 38.26 | a | 48.32 | 60.62 | a | 66.16 | 83.00 | 88.19 | 81.13 | 80.23 | 64.52 | 48.34 | a | 42.00 | k | 63.15 | a | ||||||||
2011 | 36.83 | a | 40.36 | 53.39 | 59.17 | a | 65.84 | 82.73 | 87.74 | 88.97 | 78.17 | a | 63.77 | 48.79 | a | 39.42 | 62.10 | |||||||||
2012 | 44.74 | 41.17 | 53.84 | 64.37 | 78.38 | b | 88.90 | 91.03 | 89.42 | 78.07 | a | 66.10 | a | 55.63 | 38.79 | b | 65.87 | |||||||||
2013 | 34.87 | a | 39.67 | d | 56.44 | f | 59.64 | b | 71.19 | e | 88.67 | c | 91.29 | 83.94 | 73.73 | 64.86 | q | 46.56 | e | 34.48 | d | 62.40 | b | |||
2014 | 44.10 | b | 47.07 | 53.35 | 59.90 | 68.33 | a | 83.43 | 89.58 | 81.39 | 79.60 | 66.55 | b | 51.57 | b | 41.13 | a | 63.84 | ||||||||
2015 | 42.45 | b | 50.07 | 57.29 | 59.41 | c | 65.97 | 83.32 | b | 84.13 | 84.87 | 80.20 | 60.35 | 47.13 | 34.70 | a | 62.49 | |||||||||
2016 | 33.03 | b | 43.46 | a | 55.83 | b | 59.80 | 67.39 | 88.17 | 88.39 | 81.81 | 75.97 | 66.84 | 54.48 | a | 39.77 | 62.91 | |||||||||
2017 | 36.74 | 47.71 | 58.16 | 59.97 | 70.42 | 88.43 | 89.74 | 86.16 | 77.50 | 66.42 | 58.73 | 47.61 | 65.63 | |||||||||||||
2018 | 45.52 | 46.07 | 52.42 | 65.07 | 75.00 | a | 86.83 | 90.32 | 87.97 | 81.50 | 59.45 | 48.00 | 39.16 | 64.78 | ||||||||||||
2019 | 36.55 | 36.00 | 49.35 | 62.23 | 61.26 | 80.07 | 88.84 | 88.39 | 80.00 | 60.81 | 52.37 | 37.71 | 61.13 | |||||||||||||
2020 | 37.71 | 43.76 | 51.87 | 61.70 | 75.67 | a | 83.30 | 88.32 | 92.06 | 79.37 | 70.81 | 53.80 | 40.28 | b | 64.89 | |||||||||||
2021 | 40.58 | 44.04 | 51.20 | a | 62.50 | 74.39 | 88.36 | b | 90.16 | 86.35 | 80.67 | 59.74 | 57.00 | 41.43 | a | 64.70 | ||||||||||
2022 | 41.55 | 43.26 | a | 52.63 | a | 62.27 | 73.39 | 84.83 | 89.34 | b | 84.26 | 81.36 | b | 63.29 | 45.43 | 40.43 | a | 63.50 | ||||||||
2023 | 36.42 | 38.11 | 42.97 | b | 59.13 | 72.90 | 80.33 | 92.77 | 85.39 | 77.07 | 67.74 | 52.37 | 43.39 | 62.38 | ||||||||||||
2024 | 39.97 | 44.66 | 51.61 | 63.07 | 63.83 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.83 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.73 | 44.21 | 52.19 | 61.24 | 72.02 | 83.99 | 89.40 | 85.98 | 77.62 | 64.24 | 50.45 | 40.28 | 63.55 | |||||||||||||
S.D. | 3.80 | 3.71 | 4.05 | 3.43 | 3.79 | 3.27 | 2.42 | 2.66 | 2.71 | 3.78 | 4.04 | 3.78 | 1.36 | |||||||||||||
SKEW | 0.22 | 0.18 | 0.27 | -0.02 | -0.35 | -0.28 | -0.32 | -0.30 | -0.63 | 0.10 | -0.04 | 0.14 | 0.02 | |||||||||||||
MAX | 49.55 | 53.33 | 62.52 | 68.90 | 79.10 | 90.93 | 94.19 | 92.06 | 83.43 | 71.06 | 58.73 | 50.84 | 66.19 | |||||||||||||
MIN | 31.68 | 36.00 | 42.97 | 53.40 | 61.26 | 75.90 | 83.39 | 80.28 | 70.17 | 56.17 | 41.13 | 32.68 | 61.13 | |||||||||||||
YRS | 58 | 59 | 55 | 59 | 57 | 57 | 58 | 59 | 57 | 58 | 59 | 57 | 50 |