YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.22 | 77.21 | 76.69 | 69.65 | 60.24 | 48.83 | 41.94 | 63.97 | e | |||||||
1963 | 32.77 | 43.05 | 50.82 | 60.88 | 68.15 | 72.52 | 78.24 | 74.90 | 70.97 | 64.37 | 49.77 | 35.60 | 58.50 | |||||||||||||
1964 | 37.60 | a | 34.29 | 46.94 | 57.83 | 68.02 | 72.83 | 78.79 | 76.10 | 67.72 | 58.94 | 45.95 | 38.42 | 56.95 | ||||||||||||
1965 | 41.10 | 36.41 | 38.41 | b | 57.88 | 65.92 | 71.92 | 77.27 | a | 74.19 | 67.52 | 57.84 | 51.60 | 41.94 | 56.83 | |||||||||||
1966 | 30.71 | 35.62 | 49.32 | 54.73 | 64.19 | 72.30 | 80.05 | 71.81 | 67.28 | 55.23 | 49.60 | 36.15 | 55.58 | |||||||||||||
1967 | 39.08 | 39.09 | 52.37 | 59.68 | 62.39 | 72.10 | 74.18 | a | 72.84 | 66.02 | 58.30 | a | 46.15 | 34.34 | 56.38 | |||||||||||
1968 | 37.26 | 37.22 | 45.87 | 52.59 | a | 62.48 | 73.78 | 74.39 | 73.84 | 67.08 | 59.66 | 44.13 | 37.79 | 55.51 | ||||||||||||
1969 | 41.29 | 39.96 | 38.74 | 56.58 | 65.18 | 70.73 | 79.11 | 77.65 | 68.43 | 53.06 | 45.35 | 40.23 | 56.36 | |||||||||||||
1970 | 33.76 | 41.62 | 41.97 | 53.05 | 66.37 | 71.67 | 77.39 | 77.19 | 67.63 | 52.60 | 44.82 | 41.98 | 55.84 | |||||||||||||
1971 | ----- | z | 38.02 | a | 45.03 | 54.57 | 62.74 | 73.80 | 75.23 | 70.39 | 65.97 | 57.60 | 46.87 | 39.31 | 57.23 | a | ||||||||||
1972 | 36.94 | 41.02 | 51.79 | 59.83 | 64.05 | 74.07 | 74.13 | 72.35 | 67.98 | 56.97 | 38.80 | 34.55 | 56.04 | |||||||||||||
1973 | 32.37 | 37.75 | ----- | z | 48.82 | 62.24 | 72.43 | 75.35 | 75.15 | 66.95 | 59.71 | 48.85 | 38.60 | 56.20 | a | |||||||||||
1974 | 36.65 | 41.29 | 53.23 | 57.73 | 69.27 | 73.00 | 77.35 | 71.08 | 61.40 | 57.73 | 45.75 | 36.40 | 56.74 | |||||||||||||
1975 | ----- | z | 35.07 | 44.10 | 53.30 | 62.48 | 72.53 | 71.60 | 73.21 | 63.20 | 57.56 | 45.12 | 39.23 | a | 56.13 | a | ||||||||||
1976 | 35.66 | 46.43 | 46.77 | 58.18 | 60.44 | 70.62 | 70.95 | 72.39 | 66.55 | 50.32 | 39.75 | 35.92 | 54.50 | |||||||||||||
1977 | 29.98 | 41.54 | 45.98 | 55.82 | 66.26 | 75.97 | 77.66 | 76.06 | 70.83 | 59.27 | 46.80 | 39.85 | 57.17 | |||||||||||||
1978 | 29.60 | 31.18 | 46.61 | 59.63 | 63.62 | a | 74.53 | 77.50 | 73.47 | 67.92 | 57.94 | 45.45 | 33.65 | a | 55.09 | |||||||||||
1979 | 27.05 | 38.27 | 45.82 | 55.60 | 62.22 | a | 70.10 | 75.85 | 72.11 | 68.63 | 58.77 | 39.64 | a | 37.28 | a | 54.28 | ||||||||||
1980 | 36.00 | 38.17 | 43.97 | 51.37 | 61.11 | 77.67 | 80.10 | 76.43 | c | 70.08 | 55.37 | a | 41.90 | 41.88 | a | 56.17 | ||||||||||
1981 | 38.76 | 41.46 | b | 46.71 | 59.18 | 62.90 | a | 74.93 | b | 77.69 | 72.19 | 66.98 | 56.40 | b | 49.02 | 40.19 | 57.20 | |||||||||
1982 | 35.17 | h | 36.05 | g | 49.22 | m | 55.45 | k | 63.85 | k | 69.31 | f | 74.93 | d | 76.13 | d | 71.48 | g | 57.00 | i | 42.98 | h | 35.14 | b | 62.06 | i |
1983 | 31.98 | 37.58 | b | 45.22 | d | 48.29 | d | 60.94 | 69.45 | i | 76.70 | f | 78.22 | a | 72.63 | d | 58.64 | f | 47.04 | e | 27.62 | g | 52.74 | d | ||
1984 | 32.33 | h | 38.21 | j | 43.84 | i | 51.65 | f | 66.31 | g | 73.44 | f | 74.84 | 73.86 | c | 63.78 | c | 54.93 | b | 45.47 | 37.48 | e | 58.39 | f | ||
1985 | 33.43 | a | 35.73 | d | 48.23 | g | 58.67 | 66.08 | e | 73.10 | d | 76.54 | g | ----- | z | 68.47 | a | 56.10 | 44.62 | 33.77 | 52.22 | c | ||||
1986 | 41.85 | 40.68 | 51.35 | 59.33 | 64.55 | 71.42 | 78.02 | 73.47 | 67.45 | 55.08 | 43.28 | a | 36.32 | a | 56.90 | |||||||||||
1987 | 33.00 | 40.95 | 42.27 | 52.45 | 64.03 | 72.67 | 76.19 | 73.71 | 66.15 | 55.81 | 44.40 | 33.63 | 54.60 | |||||||||||||
1988 | 31.65 | 37.91 | 44.66 | 53.02 | 62.52 | 72.10 | 74.25 | a | 75.68 | 66.75 | 57.81 | 46.28 | 36.05 | 54.89 | ||||||||||||
1989 | 39.16 | 34.46 | 49.21 | 58.83 | 66.32 | 69.10 | d | 74.13 | 72.79 | 64.12 | 57.10 | 44.33 | a | 29.89 | 54.95 | |||||||||||
1990 | 36.95 | 40.68 | 45.42 | 54.83 | 62.18 | 78.93 | a | 74.00 | a | 73.19 | 70.17 | 55.08 | 47.50 | 33.32 | a | 56.02 | ||||||||||
1991 | 31.42 | 42.39 | a | 47.56 | 56.67 | a | 67.61 | 73.67 | a | 74.34 | 74.37 | 63.88 | b | 56.55 | 39.23 | 37.05 | 55.40 | |||||||||
1992 | 35.68 | 42.81 | b | 48.62 | a | 56.75 | 61.93 | a | 69.45 | 75.40 | 72.16 | 67.47 | 58.63 | a | 39.17 | 34.21 | 55.19 | |||||||||
1993 | 33.97 | 36.68 | 45.82 | 54.23 | 63.60 | 73.20 | 77.05 | 74.77 | 66.48 | 55.03 | 40.18 | 37.78 | a | 54.90 | ||||||||||||
1994 | 35.57 | b | 36.30 | e | 47.63 | 54.65 | 63.37 | ----- | z | 76.34 | 74.76 | 68.26 | a | 57.06 | 45.38 | 40.53 | a | 54.53 | a | |||||||
1995 | 37.71 | 43.61 | a | 45.58 | 52.22 | c | 61.56 | 70.93 | 75.97 | 75.26 | 67.07 | 56.47 | a | 47.07 | 37.94 | 55.95 | ||||||||||
1996 | 35.40 | b | 41.86 | 43.13 | 55.36 | a | 71.05 | 75.21 | b | 76.93 | a | 74.48 | 65.33 | 56.23 | 46.20 | c | 38.62 | a | 56.65 | |||||||
1997 | 33.05 | a | 36.67 | b | 49.00 | 48.10 | 61.65 | a | 70.82 | 77.27 | a | 74.50 | 70.48 | a | 56.89 | 42.75 | 33.65 | 54.57 | ||||||||
1998 | 39.82 | 40.45 | 42.94 | 51.50 | 67.93 | b | 75.43 | 80.56 | 74.90 | a | 73.47 | 60.23 | 47.78 | a | 38.23 | 57.77 | ||||||||||
1999 | 40.13 | 43.98 | 44.68 | a | 53.38 | 61.35 | 72.20 | 77.37 | 76.37 | 65.83 | 56.69 | 50.38 | 36.06 | 56.54 | ||||||||||||
2000 | 39.66 | 45.59 | 47.95 | 55.70 | 67.45 | a | 71.87 | 77.32 | a | 77.29 | 70.33 | 58.85 | a | 39.00 | a | 32.11 | 56.93 | |||||||||
2001 | 32.56 | 41.30 | 43.00 | 57.28 | 63.85 | 75.02 | a | 80.18 | a | 76.15 | 68.90 | 57.77 | a | 48.84 | a | 39.24 | 57.01 | |||||||||
2002 | 37.19 | 36.13 | a | 43.18 | a | 56.80 | 65.73 | 76.80 | 77.27 | 76.92 | 68.33 | 54.61 | 42.21 | a | 35.23 | a | 55.87 | |||||||||
2003 | 38.84 | 37.30 | 47.89 | 56.67 | 66.65 | 69.93 | 77.50 | 77.94 | 65.97 | 60.08 | 46.47 | 38.73 | 57.00 | |||||||||||||
2004 | 38.19 | 36.26 | 51.42 | 54.67 | 66.92 | 73.02 | a | 73.35 | 72.03 | 67.02 | 57.23 | 42.12 | a | 37.68 | 55.83 | |||||||||||
2005 | 39.77 | 41.82 | 43.60 | 53.48 | 62.52 | 73.71 | a | 75.05 | 73.26 | 71.22 | 57.73 | 46.60 | 36.92 | 56.31 | ||||||||||||
2006 | 41.32 | 38.88 | 47.88 | a | 59.85 | 69.06 | 75.85 | 78.11 | 75.90 | 64.17 | 57.17 | b | 46.78 | a | 35.21 | 57.52 | ||||||||||
2007 | 29.56 | 38.17 | a | 50.29 | 50.13 | 61.76 | 70.28 | 74.61 | 77.24 | 70.75 | 60.06 | 45.75 | 36.35 | a | 55.41 | |||||||||||
2008 | 35.31 | 40.33 | 47.00 | 54.15 | 63.95 | 76.13 | 75.15 | 74.18 | 65.38 | 56.37 | 46.83 | 37.68 | 56.04 | |||||||||||||
2009 | 36.39 | 44.30 | 49.11 | 54.63 | 63.74 | 74.12 | 75.66 | 75.53 | 65.88 | 53.69 | 47.67 | 31.08 | 55.98 | |||||||||||||
2010 | 35.05 | a | 32.11 | a | 45.05 | a | 55.60 | 62.50 | 77.40 | 75.65 | 76.98 | 72.40 | 58.87 | 44.88 | 40.39 | 56.41 | ||||||||||
2011 | 34.35 | 34.38 | 50.39 | 58.63 | 63.03 | 79.55 | 81.87 | 82.18 | 68.42 | 57.19 | 45.30 | 32.53 | 57.32 | |||||||||||||
2012 | 40.00 | 38.21 | 52.39 | 60.73 | 66.76 | 76.13 | 78.35 | 76.98 | 68.48 | 55.37 | 49.35 | 39.06 | 58.49 | |||||||||||||
2013 | 35.06 | 37.34 | 46.40 | 51.17 | 65.13 | 76.07 | 74.58 | 76.35 | 71.35 | 56.42 | 42.68 | 34.92 | 55.62 | |||||||||||||
2014 | 35.06 | 37.30 | 45.26 | 55.28 | 64.60 | 74.10 | 74.55 | 75.44 | 68.58 | 59.69 | 41.77 | 38.58 | 55.85 | |||||||||||||
2015 | 33.39 | 39.91 | 46.34 | 55.95 | 61.32 | 73.53 | 77.05 | 75.15 | 73.10 | 59.63 | 46.03 | 39.97 | 56.78 | |||||||||||||
2016 | 36.81 | 43.26 | 50.45 | 54.85 | 62.32 | 74.88 | 81.29 | 74.79 | 68.72 | 61.97 | 50.52 | 36.40 | 58.02 | |||||||||||||
2017 | 36.85 | 45.63 | a | 52.00 | 55.93 | 62.52 | 75.12 | 77.19 | 71.77 | 67.30 | 57.18 | 50.97 | 37.73 | 57.52 | ||||||||||||
2018 | 35.31 | 40.94 | b | 50.03 | 53.55 | 71.53 | 77.47 | 78.03 | 75.81 | 68.82 | 55.85 | 42.10 | 37.35 | 57.23 | ||||||||||||
2019 | 37.94 | 40.18 | 44.06 | 56.22 | 62.63 | 72.62 | 78.60 | 81.15 | 74.33 | 51.63 | 42.57 | 41.26 | 56.93 | |||||||||||||
2020 | 39.79 | 36.79 | 50.98 | 54.92 | 68.05 | 77.37 | 81.71 | 79.85 | 67.12 | 56.42 | 50.95 | 38.85 | 58.57 | |||||||||||||
2021 | 36.23 | 32.50 | 48.27 | 53.53 | 64.77 | 75.20 | 74.89 | 75.68 | 72.33 | 61.45 | 50.33 | 47.73 | 57.74 | |||||||||||||
2022 | 36.56 | 35.09 | 48.18 | 58.82 | 69.00 | 77.43 | 82.85 | 77.32 | 72.63 | 59.03 | 44.27 | 39.03 | 58.35 | |||||||||||||
2023 | 41.16 | 41.89 | 48.40 | 55.25 | 66.45 | 74.10 | 81.19 | 80.37 | 73.97 | 60.32 | 50.47 | 43.26 | 59.74 | |||||||||||||
2024 | 35.48 | 46.07 | 49.61 | 57.06 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.72 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.95 | 39.20 | 47.01 | 55.41 | 64.56 | 73.73 | 76.83 | 75.16 | 68.23 | 57.30 | 45.57 | 37.41 | 56.45 | |||||||||||||
S.D. | 3.39 | 3.53 | 3.29 | 3.04 | 2.68 | 2.41 | 2.48 | 2.41 | 2.79 | 2.47 | 3.36 | 3.15 | 1.18 | |||||||||||||
SKEW | -0.34 | -0.01 | -0.29 | -0.35 | 0.66 | 0.28 | 0.27 | 0.55 | 0.18 | -0.14 | -0.27 | 0.28 | 0.36 | |||||||||||||
MAX | 41.85 | 46.43 | 53.23 | 60.88 | 71.53 | 79.55 | 82.85 | 82.18 | 74.33 | 64.37 | 51.60 | 47.73 | 59.74 | |||||||||||||
MIN | 27.05 | 31.18 | 38.41 | 48.10 | 60.44 | 69.10 | 70.95 | 70.39 | 61.40 | 50.32 | 38.80 | 29.89 | 54.28 | |||||||||||||
YRS | 58 | 60 | 58 | 59 | 59 | 58 | 60 | 61 | 61 | 60 | 61 | 61 | 53 |