YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | ----- | z | 71.44 | c | 78.48 | b | 88.45 | a | 92.24 | b | 92.45 | 83.60 | 71.93 | b | ----- | z | ----- | z | 82.66 | e | ||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 87.21 | f | 93.84 | 86.26 | 83.41 | a | 74.23 | 57.00 | a | 41.06 | 72.63 | f | ||||
1964 | 38.35 | 42.14 | 49.39 | 63.70 | 76.39 | 84.23 | 94.47 | a | 87.00 | 79.50 | 73.13 | 48.90 | 39.61 | 64.73 | ||||||||||||
1965 | 42.90 | 44.89 | 51.68 | 63.38 | a | 72.32 | 81.77 | 89.71 | 88.16 | 74.20 | 71.23 | 57.13 | 42.37 | a | 64.98 | |||||||||||
1966 | 36.87 | 39.57 | 59.74 | 68.10 | 81.03 | 87.27 | 93.61 | 90.94 | 82.50 | 67.13 | 56.33 | 41.42 | 67.04 | |||||||||||||
1967 | 37.03 | 50.46 | 62.48 | 66.90 | 73.52 | 81.20 | 91.00 | 90.30 | a | 82.13 | 71.83 | a | 55.83 | 31.39 | 66.17 | |||||||||||
1968 | 30.61 | 48.07 | 58.65 | 59.80 | 73.87 | 88.93 | 90.90 | 83.06 | 79.00 | 68.43 | a | 49.33 | 36.23 | a | 63.91 | |||||||||||
1969 | 40.23 | a | 44.79 | 52.23 | 70.83 | 81.50 | a | 82.47 | 92.74 | 92.35 | 82.40 | 58.45 | 51.57 | 43.42 | 66.08 | |||||||||||
1970 | 39.97 | 53.89 | 51.42 | 60.07 | a | 79.10 | 84.93 | 92.71 | 91.81 | 78.00 | 61.33 | a | 52.20 | 42.58 | 65.67 | |||||||||||
1971 | 39.55 | 46.54 | 56.94 | 67.17 | a | 74.32 | 88.73 | 93.81 | 90.84 | 78.83 | 66.10 | a | 49.20 | 35.81 | 65.65 | |||||||||||
1972 | 41.26 | 52.59 | 65.48 | 68.17 | 76.58 | 86.73 | 93.03 | 89.26 | 80.50 | 63.84 | 45.33 | 35.55 | 66.53 | |||||||||||||
1973 | 25.07 | c | 39.68 | 52.42 | 59.10 | 73.87 | 83.47 | 90.13 | 89.77 | 78.77 | 69.84 | 52.87 | 40.45 | 62.95 | ||||||||||||
1974 | 27.84 | 34.39 | 59.39 | 61.67 | 79.97 | 89.57 | 90.84 | 88.39 | 81.10 | 69.90 | b | 51.13 | 38.32 | 64.37 | ||||||||||||
1975 | 33.77 | 42.96 | 52.16 | 59.47 | 69.39 | 81.47 | 92.42 | ----- | z | 80.77 | 68.52 | 51.20 | 40.55 | 61.15 | a | |||||||||||
1976 | 35.74 | 50.11 | a | 52.68 | 66.07 | 74.45 | 84.63 | 93.87 | 88.48 | 80.00 | a | 66.26 | 55.50 | 44.19 | 66.00 | |||||||||||
1977 | 36.81 | 50.96 | 53.52 | 68.50 | 74.35 | 91.97 | 90.45 | 89.35 | 81.80 | 69.43 | a | 52.97 | 44.39 | 67.04 | ||||||||||||
1978 | 37.39 | 43.18 | 57.16 | 65.20 | 70.94 | 86.10 | 93.45 | 88.94 | 79.90 | 70.42 | 53.90 | 28.06 | 64.55 | |||||||||||||
1979 | 26.97 | 35.04 | 50.42 | 63.70 | 71.90 | 84.07 | 92.45 | 86.97 | 85.70 | 71.79 | c | 44.50 | 38.32 | 62.65 | ||||||||||||
1980 | 39.97 | 50.31 | 53.32 | 66.63 | 72.61 | 90.83 | 94.90 | 90.39 | 83.00 | 67.10 | 53.87 | 51.16 | 67.84 | |||||||||||||
1981 | 49.26 | 49.93 | 55.32 | 70.93 | 73.87 | 90.17 | 92.74 | 91.13 | 82.15 | d | 63.55 | 56.45 | a | 42.65 | 68.18 | |||||||||||
1982 | 36.42 | 43.18 | 55.74 | 63.90 | 73.32 | 84.93 | 91.71 | 89.90 | 77.83 | 63.10 | 48.50 | 40.48 | 64.09 | |||||||||||||
1983 | 42.42 | 49.46 | 53.60 | a | 58.52 | a | 69.97 | 81.30 | 89.94 | 91.77 | 85.00 | 68.06 | 50.07 | 35.83 | a | 64.66 | ||||||||||
1984 | 32.13 | 41.55 | 53.32 | 59.23 | 79.39 | 82.43 | 91.70 | a | 88.39 | 81.40 | 58.42 | 53.60 | 41.23 | a | 63.57 | |||||||||||
1985 | 40.06 | 41.00 | a | 56.35 | 67.24 | a | 77.52 | 88.80 | 92.00 | 94.00 | 76.38 | a | 65.65 | 48.69 | a | 42.84 | 65.88 | |||||||||
1986 | 44.97 | 52.11 | 62.42 | 65.47 | 74.42 | 88.93 | 89.32 | 90.65 | 75.13 | 63.81 | 51.17 | a | 44.03 | 66.87 | ||||||||||||
1987 | 39.19 | 47.64 | 51.32 | 68.83 | 73.35 | 88.50 | 89.65 | 86.16 | 83.17 | 71.55 | 50.73 | 37.84 | 65.66 | |||||||||||||
1988 | 29.81 | 42.52 | 53.61 | 66.17 | 75.29 | 90.37 | 94.84 | 90.29 | 78.50 | 73.73 | a | 52.48 | a | 42.74 | 65.86 | |||||||||||
1989 | 34.61 | 38.32 | 60.52 | 71.63 | 77.97 | 84.47 | 94.65 | 87.30 | a | 82.03 | 69.42 | 55.80 | 42.84 | 66.63 | ||||||||||||
1990 | 40.03 | 48.19 | a | 58.03 | 69.10 | 74.97 | 90.53 | 91.74 | 89.87 | 83.13 | 67.16 | 53.00 | 33.58 | 66.61 | ||||||||||||
1991 | 30.90 | 45.25 | 52.97 | 62.07 | 75.58 | 86.33 | 91.13 | 88.39 | 80.47 | 69.45 | 47.57 | 36.03 | 63.84 | |||||||||||||
1992 | 33.29 | 47.24 | 58.97 | 72.33 | 77.65 | 84.93 | 87.94 | 88.74 | 82.07 | 72.77 | 46.36 | b | 35.93 | a | 65.69 | |||||||||||
1993 | 40.19 | 45.43 | 58.94 | 62.50 | 74.71 | 84.73 | 90.84 | 86.71 | 80.93 | 65.32 | 47.37 | 42.06 | 64.98 | |||||||||||||
1994 | 44.10 | 44.68 | 61.23 | 65.80 | 79.10 | 92.47 | 96.19 | 93.10 | 83.97 | 65.39 | 48.70 | 42.86 | b | 68.13 | ||||||||||||
1995 | 41.97 | 55.93 | a | 57.65 | 63.24 | a | 68.19 | 81.60 | 90.17 | a | 91.77 | 82.10 | 67.68 | 57.90 | 47.45 | 67.14 | ||||||||||
1996 | 41.42 | 51.86 | a | 57.39 | 66.40 | 79.97 | 89.00 | 95.00 | 93.10 | 77.80 | 66.68 | 52.23 | 42.30 | a | 67.76 | |||||||||||
1997 | 41.35 | 46.75 | 60.90 | 59.37 | 76.42 | 87.17 | a | 91.06 | 86.97 | 78.20 | 67.00 | 50.93 | 40.26 | 65.53 | ||||||||||||
1998 | 45.13 | 46.82 | 55.10 | 61.10 | 76.94 | 82.43 | 93.84 | 91.68 | 84.50 | 67.13 | 54.03 | 40.68 | 66.61 | |||||||||||||
1999 | 44.42 | 50.89 | a | 64.90 | 60.33 | 73.29 | 86.10 | 91.61 | 86.39 | 78.10 | 71.87 | 59.57 | 44.13 | 67.63 | ||||||||||||
2000 | 43.77 | 50.69 | 56.00 | 71.87 | 80.81 | 89.03 | 96.13 | 93.58 | 82.13 | 68.94 | 44.97 | 43.00 | 68.41 | |||||||||||||
2001 | 41.68 | 47.39 | 57.77 | 67.63 | 79.84 | 90.60 | 92.94 | 89.90 | 85.63 | 70.39 | 57.47 | 40.00 | 68.44 | |||||||||||||
2002 | 40.55 | 44.75 | 54.61 | 72.27 | 79.19 | 93.63 | 96.94 | 90.81 | 79.30 | 65.52 | 50.77 | 44.55 | 67.74 | |||||||||||||
2003 | 47.81 | 46.86 | 56.77 | 68.07 | 76.52 | 87.33 | 99.77 | 93.39 | 81.20 | 74.19 | 48.33 | 42.65 | 68.57 | |||||||||||||
2004 | 34.87 | 42.41 | 64.74 | 66.40 | 77.81 | 87.40 | 92.71 | 89.29 | 79.23 | 65.87 | 49.60 | 39.58 | 65.83 | |||||||||||||
2005 | 47.84 | 48.96 | 56.26 | 66.47 | 77.26 | 83.00 | 96.61 | 88.45 | 81.30 | 68.10 | 54.90 | 41.39 | 67.54 | |||||||||||||
2006 | 44.06 | 48.96 | 55.19 | 70.00 | 81.19 | 91.47 | 94.48 | 88.48 | 76.20 | 61.74 | 54.30 | 37.90 | 67.00 | |||||||||||||
2007 | 38.29 | 49.75 | 60.42 | 67.23 | 77.94 | 90.57 | 97.23 | 92.35 | 82.43 | 66.35 | 57.40 | 36.48 | 68.04 | |||||||||||||
2008 | 35.52 | 42.34 | 55.81 | 62.53 | 73.71 | 86.40 | 94.45 | 91.16 | 81.33 | 69.03 | 55.67 | 39.29 | 65.60 | |||||||||||||
2009 | 39.06 | 50.64 | 59.23 | 63.47 | 78.23 | 82.40 | 94.03 | 90.61 | 82.70 | 62.94 | 55.70 | 33.19 | 66.02 | |||||||||||||
2010 | 35.71 | 38.85 | a | 54.65 | 66.54 | f | 74.33 | g | 90.46 | f | 95.00 | j | 89.86 | i | 86.33 | f | 71.32 | i | 53.52 | i | 46.59 | i | 43.07 | i | ||
2011 | 35.00 | i | 42.40 | h | 58.74 | h | 65.65 | g | 68.73 | i | 87.67 | 91.55 | 93.26 | 82.70 | 67.06 | 51.50 | 39.03 | 73.25 | e | |||||||
2012 | 43.65 | 47.41 | 62.29 | 71.73 | 81.06 | 93.47 | 93.68 | 92.10 | 82.80 | 69.29 | 58.07 | 39.32 | 69.57 | |||||||||||||
2013 | 29.61 | 43.71 | 57.87 | 63.20 | 76.87 | 92.83 | a | 95.00 | 88.13 | 79.27 | 64.07 | a | 50.60 | 30.10 | 64.27 | |||||||||||
2014 | 38.81 | d | 46.89 | 59.60 | a | 64.10 | 73.94 | 87.03 | 93.61 | 84.71 | 82.53 | 68.06 | 50.50 | 43.03 | 66.07 | |||||||||||
2015 | 42.58 | 53.11 | 62.94 | 65.10 | 70.06 | 89.07 | 87.84 | 90.03 | 83.60 | 70.39 | 51.03 | 35.45 | 66.77 | |||||||||||||
2016 | 35.94 | 45.97 | 59.32 | 63.83 | 73.06 | 92.37 | 92.74 | 86.87 | 81.10 | 71.10 | 57.20 | 38.87 | 66.53 | |||||||||||||
2017 | 39.06 | 53.07 | 64.03 | 66.30 | 74.71 | 92.41 | a | 94.16 | 90.68 | 81.73 | 66.16 | 59.77 | 44.82 | c | 68.91 | |||||||||||
2018 | 43.68 | 47.59 | a | 58.46 | c | 67.76 | a | 80.19 | 92.73 | 96.38 | b | 91.61 | 85.70 | 61.65 | 48.40 | 38.90 | 67.76 | |||||||||
2019 | 36.23 | 41.57 | 54.52 | 67.90 | 69.00 | 85.03 | 94.77 | 93.81 | 84.87 | 63.13 | 54.27 | 40.27 | a | 65.45 | ||||||||||||
2020 | 34.55 | 45.07 | 58.80 | a | 66.90 | a | 80.63 | a | 88.87 | 93.61 | 95.74 | 81.93 | 70.35 | 56.00 | 39.13 | 67.63 | ||||||||||
2021 | 40.29 | 46.37 | a | 57.07 | a | 68.03 | 78.32 | 92.80 | 95.32 | 90.29 | 84.13 | 64.10 | 56.07 | 44.45 | b | 68.10 | ||||||||||
2022 | 39.32 | 43.79 | 56.87 | a | 67.90 | 77.06 | 89.90 | 93.87 | 91.16 | 85.60 | 66.19 | 47.83 | 38.68 | 66.51 | ||||||||||||
2023 | 40.06 | 40.61 | 48.84 | 62.97 | 79.29 | 85.70 | 97.26 | 92.19 | 83.80 | 70.10 | 53.60 | 43.32 | 66.48 | |||||||||||||
2024 | 43.03 | 51.03 | 56.29 | 67.00 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.12 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.63 | 46.27 | 56.93 | 65.69 | 75.99 | 87.40 | 93.08 | 89.99 | 81.30 | 67.60 | 52.46 | 40.07 | 66.29 | |||||||||||||
S.D. | 5.18 | 4.63 | 3.97 | 3.75 | 3.41 | 3.57 | 2.38 | 2.49 | 2.63 | 3.66 | 3.77 | 4.09 | 1.55 | |||||||||||||
SKEW | -0.49 | -0.35 | 0.16 | -0.11 | -0.31 | -0.06 | 0.14 | -0.29 | -0.50 | -0.36 | -0.10 | -0.49 | -0.24 | |||||||||||||
MAX | 49.26 | 55.93 | 65.48 | 72.33 | 81.50 | 93.63 | 99.77 | 95.74 | 85.70 | 74.23 | 59.77 | 51.16 | 69.57 | |||||||||||||
MIN | 25.07 | 34.39 | 48.84 | 58.52 | 68.19 | 81.20 | 87.84 | 83.06 | 74.20 | 58.42 | 44.50 | 28.06 | 62.65 | |||||||||||||
YRS | 60 | 60 | 60 | 59 | 59 | 60 | 61 | 60 | 61 | 61 | 60 | 60 | 57 |