YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.38 | q | ----- | z | ----- | z | 39.80 | a | 39.80 | k |
1961 | 46.47 | a | 44.52 | a | 45.93 | a | 57.45 | a | 61.32 | 81.07 | 86.03 | 87.55 | 68.63 | 59.81 | 46.90 | 38.77 | 60.37 | |||||||||
1962 | 38.10 | 44.39 | 45.07 | a | 61.30 | 56.61 | 74.73 | 82.65 | 76.61 | 77.57 | 61.81 | 50.30 | 44.10 | 59.44 | ||||||||||||
1963 | 39.29 | 51.32 | ----- | z | ----- | z | 66.39 | 67.80 | 73.06 | 78.94 | 78.33 | ----- | z | 46.83 | ----- | z | 62.75 | d | ||||||||
1964 | ----- | z | 44.21 | ----- | z | ----- | z | ----- | z | ----- | z | 78.48 | 75.32 | 71.17 | 64.06 | 42.90 | 38.35 | 59.21 | e | |||||||
1965 | 37.52 | 45.54 | 54.87 | 58.50 | 61.39 | 71.03 | 81.48 | 78.13 | 71.43 | 66.42 | 49.03 | 39.94 | 59.61 | |||||||||||||
1966 | 37.93 | a | 42.54 | 46.97 | 61.23 | 69.16 | 69.93 | 76.29 | 79.61 | 75.20 | 63.77 | a | 48.93 | 38.81 | 59.20 | |||||||||||
1967 | 38.87 | 45.29 | 46.94 | 49.33 | 66.71 | 74.07 | 83.58 | 89.32 | 80.57 | 59.32 | 51.73 | 36.48 | 60.18 | |||||||||||||
1968 | 36.68 | 48.76 | 54.74 | 55.17 | 62.52 | 73.27 | ----- | z | 74.81 | 75.07 | a | 58.26 | 47.60 | 36.74 | 56.69 | a | ||||||||||
1969 | 33.35 | 38.96 | 48.71 | 54.83 | 69.52 | 73.67 | 80.13 | 79.42 | 73.47 | 56.48 | 52.03 | 41.35 | 58.49 | |||||||||||||
1970 | 39.45 | 50.68 | 50.90 | 50.30 | 66.26 | 76.93 | 83.00 | 84.45 | 67.47 | 59.87 | 47.57 | 35.77 | 59.39 | |||||||||||||
1971 | 36.06 | 41.25 | 41.35 | 52.37 | 64.74 | 66.30 | 83.68 | 84.52 | 68.53 | 57.55 | 45.83 | 36.16 | 56.53 | |||||||||||||
1972 | 36.39 | 41.24 | 48.48 | 51.80 | 68.10 | 74.40 | 84.03 | a | 84.39 | 69.57 | 62.35 | ----- | z | 35.10 | 59.62 | a | ||||||||||
1973 | 36.16 | 48.61 | 48.16 | 58.90 | 69.16 | 71.83 | 82.81 | 80.55 | 73.43 | 60.55 | 38.83 | 38.42 | 58.95 | |||||||||||||
1974 | 36.42 | 41.07 | 46.90 | 54.37 | 62.00 | 76.40 | 78.61 | 82.39 | 83.60 | 69.06 | 49.50 | 41.13 | 60.12 | |||||||||||||
1975 | 38.87 | 40.11 | 46.23 | 49.57 | 64.16 | 70.47 | 80.13 | 75.13 | 81.33 | 55.77 | 43.40 | 40.55 | 57.14 | |||||||||||||
1976 | 39.45 | 41.38 | 46.84 | 52.70 | 67.58 | 68.93 | 79.10 | 73.65 | 76.27 | 66.94 | 54.77 | 43.06 | 59.22 | |||||||||||||
1977 | 42.26 | 53.86 | 45.65 | 62.90 | 56.94 | 77.67 | ----- | z | 83.97 | 68.00 | 63.03 | 44.27 | 42.03 | 58.23 | a | |||||||||||
1978 | 41.06 | 47.36 | 57.65 | 54.33 | 60.29 | 73.37 | 80.45 | 76.19 | 65.43 | 68.87 | 44.60 | 37.10 | 58.89 | |||||||||||||
1979 | 36.48 | 38.93 | 54.74 | 53.23 | 67.84 | 74.57 | 81.00 | 76.77 | 77.53 | 65.13 | 47.93 | 42.52 | 59.72 | |||||||||||||
1980 | 40.23 | 48.72 | 48.29 | 58.33 | 61.71 | 65.03 | 81.35 | 77.94 | 74.70 | 65.90 | 49.53 | 41.16 | 59.41 | |||||||||||||
1981 | 48.20 | a | 46.82 | 53.13 | 55.40 | 61.19 | 68.20 | 79.39 | 85.74 | 74.57 | 59.39 | 48.87 | 40.06 | 60.08 | ||||||||||||
1982 | 36.00 | 41.07 | a | 48.48 | 53.67 | 65.20 | a | 72.57 | 78.00 | 79.97 | 70.33 | 59.90 | 45.75 | b | 40.74 | 57.64 | ||||||||||
1983 | 42.94 | 46.25 | 51.71 | 56.93 | 70.26 | 70.00 | 73.71 | 80.23 | 72.57 | 65.58 | 46.53 | 34.71 | 59.28 | |||||||||||||
1984 | 41.87 | 46.48 | 53.29 | 51.00 | 62.42 | 69.30 | 85.55 | 82.61 | 73.20 | 56.13 | 43.27 | 36.23 | 58.45 | |||||||||||||
1985 | 40.26 | 42.57 | 49.58 | 61.77 | 66.39 | 77.17 | 87.42 | 78.65 | 66.87 | 59.94 | 38.27 | 37.68 | 58.88 | |||||||||||||
1986 | 41.87 | 42.86 | 57.16 | 57.20 | 65.26 | 76.97 | 74.87 | 86.97 | ----- | z | 65.58 | 53.07 | 41.55 | 60.30 | a | |||||||||||
1987 | 37.97 | 46.18 | 51.81 | 67.53 | 68.32 | 79.57 | 76.42 | 84.77 | 80.17 | ----- | z | 48.70 | 38.77 | 61.84 | a | |||||||||||
1988 | 35.74 | 47.48 | 51.29 | 58.87 | 63.45 | 71.97 | 83.84 | 84.90 | 78.40 | 72.10 | 44.13 | 38.71 | 60.91 | |||||||||||||
1989 | 36.39 | 36.59 | a | 45.39 | 62.50 | 64.39 | 76.87 | 76.45 | 77.19 | 78.47 | 61.45 | 48.24 | a | 40.19 | 58.68 | |||||||||||
1990 | 42.10 | a | 37.21 | 52.61 | 64.67 | 63.61 | 71.77 | 85.77 | 81.29 | 79.30 | 58.68 | 46.53 | 33.40 | a | 59.75 | |||||||||||
1991 | 39.90 | 52.57 | 48.23 | 52.87 | 59.90 | 68.27 | 84.61 | 84.42 | 83.33 | 68.45 | b | 48.43 | 40.97 | 61.00 | ||||||||||||
1992 | 42.39 | 51.79 | 63.19 | 61.33 | 78.06 | 77.53 | 82.55 | 85.81 | 74.93 | 65.90 | 46.07 | 34.77 | 63.69 | |||||||||||||
1993 | 33.32 | 40.35 | b | 49.94 | 52.40 | 69.00 | 68.77 | 71.16 | 78.81 | 81.60 | 66.90 | 44.37 | 39.03 | 57.97 | ||||||||||||
1994 | 43.32 | 44.11 | 56.35 | 60.53 | 67.19 | 72.03 | 86.87 | 82.32 | 79.50 | 61.52 | 36.93 | 35.35 | 60.50 | |||||||||||||
1995 | 39.19 | 51.07 | 50.61 | 54.80 | 66.97 | 72.07 | 81.97 | 78.58 | 78.70 | 59.74 | 51.40 | 42.16 | 60.61 | |||||||||||||
1996 | 39.97 | 39.24 | 51.52 | 57.73 | 61.90 | 74.34 | a | 88.68 | 85.39 | 72.73 | 59.45 | 46.63 | 36.48 | 59.51 | ||||||||||||
1997 | 37.77 | a | 46.93 | 49.94 | 55.20 | 71.35 | 71.83 | 80.77 | a | 82.74 | 74.03 | 58.03 | 50.63 | 38.87 | 59.84 | |||||||||||
1998 | 41.39 | 45.14 | 51.19 | 57.76 | a | 58.42 | 73.23 | 86.00 | 86.48 | 80.77 | 59.00 | 45.03 | 35.42 | 59.99 | ||||||||||||
1999 | 38.19 | 37.43 | 46.19 | 55.03 | 61.10 | 71.07 | a | 82.42 | 81.23 | 79.70 | 68.45 | 49.83 | 39.00 | 59.14 | ||||||||||||
2000 | 35.84 | 41.38 | 50.00 | 62.03 | 62.61 | 76.87 | 80.65 | 84.29 | 75.00 | 63.00 | g | 45.52 | i | 38.90 | k | 63.19 | c | |||||||||
2001 | 40.24 | j | 46.68 | i | 56.59 | i | 56.71 | i | 73.18 | i | 73.62 | i | 84.10 | k | 85.04 | h | 79.88 | n | 63.35 | k | 47.30 | j | 35.57 | j | ----- | z |
2002 | 37.05 | j | 43.85 | h | 46.24 | j | 61.09 | h | 64.36 | i | 78.83 | l | 89.85 | k | 85.14 | j | 80.80 | j | 65.17 | h | 51.20 | j | 41.71 | j | ----- | z |
2003 | 44.57 | j | 49.74 | i | 50.00 | j | 53.73 | h | 70.64 | i | 82.48 | i | 90.55 | i | 87.12 | f | 78.61 | b | 60.86 | c | 44.04 | g | 37.96 | c | 59.14 | i |
2004 | 35.13 | h | 42.89 | a | 58.77 | 62.93 | 66.70 | h | 72.60 | e | 87.72 | m | 84.46 | c | 72.87 | g | 62.08 | f | 49.36 | e | 39.52 | f | 61.84 | f | ||
2005 | 39.14 | j | 48.48 | e | 54.64 | f | 55.63 | c | 65.17 | a | 69.90 | a | 86.00 | a | 86.41 | b | 74.77 | 60.61 | 44.21 | a | 34.77 | a | 62.59 | b | ||
2006 | 37.62 | b | 42.89 | 46.42 | 59.24 | a | 71.19 | ----- | z | 87.57 | a | 84.50 | a | 75.53 | 61.87 | a | ----- | z | ----- | z | 62.98 | c | ||||
2007 | 41.36 | f | 44.04 | c | 58.28 | f | 57.41 | a | ----- | z | 75.90 | a | 84.26 | 81.00 | ----- | z | 55.83 | a | ----- | z | 36.43 | a | 62.13 | e | ||
2008 | 34.57 | a | 41.79 | 41.87 | 48.24 | a | 65.71 | 73.30 | 83.35 | 80.81 | 78.17 | 59.74 | 47.87 | 36.10 | b | 57.63 | ||||||||||
2009 | 37.32 | 41.07 | 42.87 | 55.90 | 69.42 | 74.00 | a | 87.68 | 81.55 | 77.57 | 56.23 | 43.03 | 34.84 | 58.46 | ||||||||||||
2010 | 41.71 | 47.89 | 49.81 | 53.47 | 58.06 | 67.07 | 84.26 | 81.77 | 71.00 | 59.03 | 42.27 | 35.48 | 57.65 | |||||||||||||
2011 | 38.00 | 38.93 | 41.74 | 48.77 | 56.81 | 68.20 | 76.84 | 84.06 | 80.20 | 59.65 | 42.11 | c | 37.00 | 56.03 | ||||||||||||
2012 | 37.03 | 41.34 | 41.52 | 56.00 | 64.42 | 67.23 | 79.90 | 86.00 | ----- | z | 61.16 | 45.13 | 36.00 | 55.98 | a | |||||||||||
2013 | 32.81 | 39.93 | 49.68 | 55.70 | 65.42 | 72.40 | 87.68 | 81.61 | 69.80 | 57.32 | 43.97 | 33.55 | 57.49 | |||||||||||||
2014 | 40.06 | 40.00 | 51.03 | 56.50 | 67.29 | 71.57 | 85.94 | 82.84 | 77.17 | 61.55 | 44.90 | 41.00 | 59.99 | |||||||||||||
2015 | 41.52 | b | 50.21 | 58.27 | a | 57.87 | 66.84 | 84.53 | 85.16 | 85.94 | 72.27 | 66.10 | 43.00 | 36.90 | 62.38 | |||||||||||
2016 | 34.87 | 45.45 | 47.13 | 64.43 | 66.39 | 75.63 | 79.61 | 86.68 | 72.97 | 53.68 | 45.93 | 32.23 | 58.75 | |||||||||||||
2017 | 29.38 | j | 36.65 | e | 42.23 | 51.67 | 65.10 | 73.20 | 87.13 | 87.58 | 74.03 | a | 55.50 | a | 43.33 | 37.42 | 59.44 | a | ||||||||
2018 | 40.48 | 40.44 | a | 44.32 | 55.07 | 72.00 | 74.27 | 88.06 | 84.19 | 73.69 | a | 60.52 | 46.40 | 38.35 | 59.82 | |||||||||||
2019 | 39.16 | 33.43 | 44.03 | 55.87 | 67.71 | 75.97 | 79.35 | 83.59 | b | 67.32 | b | 54.52 | 49.00 | 38.19 | 57.34 | |||||||||||
2020 | 35.13 | 43.79 | 49.35 | 59.90 | 65.61 | ----- | z | 82.48 | 85.23 | 74.53 | 62.81 | 42.78 | c | 38.39 | 58.18 | a | ||||||||||
2021 | 39.10 | 37.30 | a | 49.68 | 61.67 | 67.65 | 80.90 | 87.90 | 84.77 | 75.27 | 55.27 | a | 46.07 | b | 36.94 | 60.21 | ||||||||||
2022 | 36.35 | 42.25 | 52.13 | a | 48.34 | a | 58.55 | 71.33 | 87.57 | c | 89.35 | 77.62 | a | 70.39 | 41.07 | c | 33.68 | 59.05 | ||||||||
2023 | 36.55 | 38.89 | 39.63 | a | 49.38 | a | 71.17 | b | 78.37 | 86.84 | 88.00 | n | ----- | z | 60.79 | b | 47.90 | a | 39.94 | 54.95 | b | |||||
2024 | 35.65 | 42.55 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.10 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.64 | 43.65 | 49.29 | 56.38 | 65.16 | 73.13 | 82.29 | 82.28 | 75.04 | 61.48 | 46.31 | 38.05 | 59.26 | |||||||||||||
S.D. | 3.08 | 4.49 | 4.88 | 4.51 | 4.28 | 3.96 | 4.23 | 3.81 | 4.41 | 4.33 | 3.59 | 2.69 | 1.42 | |||||||||||||
SKEW | 0.62 | 0.23 | 0.39 | 0.17 | 0.09 | 0.37 | -0.55 | -0.36 | -0.20 | 0.44 | -0.22 | 0.08 | 0.37 | |||||||||||||
MAX | 48.20 | 53.86 | 63.19 | 67.53 | 78.06 | 84.53 | 88.68 | 89.35 | 83.60 | 72.10 | 54.77 | 44.10 | 63.69 | |||||||||||||
MIN | 32.81 | 33.43 | 39.63 | 48.24 | 56.61 | 65.03 | 71.16 | 73.65 | 65.43 | 53.68 | 36.93 | 32.23 | 56.03 | |||||||||||||
YRS | 56 | 61 | 56 | 58 | 57 | 57 | 57 | 59 | 56 | 57 | 56 | 58 | 44 |