YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.48 | g | 43.34 | b | 37.18 | 40.26 | j | |
1974 | 32.29 | 36.23 | b | 46.69 | e | 49.35 | m | 62.23 | p | 74.60 | f | 70.27 | i | 72.28 | f | 66.17 | c | 56.43 | a | 43.62 | 32.53 | 44.85 | e | |||
1975 | 31.77 | 35.93 | 41.73 | 45.88 | 56.58 | a | 65.75 | 72.92 | a | 72.34 | 64.95 | 55.52 | d | 42.02 | a | 32.08 | 51.46 | |||||||||
1976 | 34.45 | a | 42.66 | 41.21 | e | 50.90 | 60.87 | 68.95 | 73.87 | 71.68 | 65.43 | 52.06 | 42.08 | 33.81 | 53.16 | |||||||||||
1977 | 27.47 | 38.98 | 41.53 | 52.00 | a | 58.05 | 71.23 | 74.42 | 73.57 | a | 68.28 | 57.48 | 44.48 | 41.11 | 54.05 | |||||||||||
1978 | 36.12 | a | 37.39 | 47.26 | 51.90 | 57.47 | 70.91 | a | 74.37 | 70.45 | 64.22 | ----- | z | 44.04 | c | ----- | z | 55.41 | b | |||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.77 | d | ----- | z | 38.77 | k |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.32 | e | 32.37 | d | 38.85 | j |
2003 | 41.43 | b | 39.88 | c | 45.25 | c | 50.54 | d | 63.84 | c | 72.07 | 80.43 | a | 76.59 | b | 69.86 | b | 62.54 | c | 44.83 | c | 38.53 | a | 57.15 | ||
2004 | 37.41 | b | 37.23 | a | 53.15 | 53.43 | a | 64.34 | 72.12 | 76.20 | a | 73.48 | 67.11 | b | 61.57 | q | 43.05 | j | 36.93 | b | 57.14 | b | ||||
2005 | 42.16 | 42.30 | 44.95 | b | 54.22 | 64.41 | c | 69.81 | a | 79.67 | b | 73.74 | 69.98 | a | 58.86 | c | 47.22 | e | 38.52 | 57.15 | ||||||
2006 | 39.61 | 42.74 | a | 43.96 | c | 56.38 | 66.53 | 75.91 | a | 76.74 | j | 73.40 | a | 64.11 | c | 54.95 | b | 48.38 | b | 37.03 | a | 54.82 | a | |||
2007 | 32.76 | 41.19 | a | 49.17 | a | 54.79 | b | 62.55 | a | 72.76 | a | 76.84 | 74.52 | 68.09 | a | 56.60 | a | 49.38 | b | 32.94 | d | 55.96 | ||||
2008 | 30.15 | a | 36.73 | c | 45.00 | e | 51.06 | e | 58.48 | d | 70.15 | c | 76.08 | g | 74.47 | 66.26 | a | 56.33 | a | 44.46 | c | 35.88 | a | 51.73 | a | |
2009 | 36.00 | 40.81 | b | 45.91 | c | 50.54 | b | 64.38 | b | 63.73 | q | 78.60 | k | 74.22 | a | ----- | z | ----- | z | ----- | z | ----- | z | 51.98 | f | |
2010 | ----- | z | ----- | z | ----- | z | 51.32 | 58.00 | c | 71.28 | c | 76.57 | a | 73.18 | 69.61 | b | 57.72 | a | 40.88 | a | 40.98 | a | 59.95 | c | ||
2011 | 30.84 | 34.24 | c | 48.39 | 53.50 | c | 58.59 | b | 70.88 | 75.74 | 76.45 | 67.73 | d | 55.18 | 43.17 | a | 30.75 | a | 53.79 | |||||||
2012 | 37.37 | a | 39.04 | a | 46.02 | b | 55.57 | a | 64.09 | b | 73.82 | b | 75.14 | c | 74.81 | 67.33 | 56.85 | 46.45 | a | 35.57 | b | 56.00 | ||||
2013 | 29.56 | 34.29 | 47.82 | 52.82 | 60.89 | 74.13 | 75.71 | 73.07 | b | 67.18 | 51.87 | 44.45 | 32.48 | a | 53.69 | |||||||||||
2014 | 37.10 | 42.91 | 46.72 | a | 52.34 | b | 60.05 | 71.98 | c | 75.60 | b | 71.48 | d | 69.50 | a | 58.52 | b | 45.22 | 36.92 | f | 57.40 | a | ||||
2015 | 37.71 | b | 45.36 | 49.70 | d | 52.42 | 57.53 | 72.63 | 73.36 | b | 74.95 | a | 68.63 | c | 58.09 | b | 41.88 | d | 33.37 | d | 55.47 | |||||
2016 | 34.34 | c | 42.58 | d | 48.11 | h | 51.18 | 58.69 | m | ----- | z | ----- | z | ----- | z | 62.17 | x | 60.39 | c | 44.11 | u | 37.11 | v | 47.12 | h | |
2017 | 36.82 | 43.21 | 50.21 | q | 52.88 | 59.85 | 74.57 | 76.29 | 72.61 | 66.50 | 52.96 | e | 50.80 | b | 37.53 | 56.73 | a | |||||||||
2018 | 38.50 | 39.46 | 46.16 | 56.38 | 63.68 | 74.07 | 77.21 | 74.60 | 68.85 | 53.02 | 40.65 | 35.97 | b | 55.71 | ||||||||||||
2019 | 32.63 | 33.77 | 46.39 | 53.58 | 55.15 | 70.03 | 76.85 | 76.03 | 68.03 | 53.68 | 44.33 | 35.11 | 53.80 | |||||||||||||
2020 | 35.97 | 38.02 | a | 45.74 | 52.70 | 64.06 | 71.82 | 76.44 | 78.16 | 68.22 | 58.03 | a | 47.09 | a | 32.48 | 55.73 | ||||||||||
2021 | 32.26 | 38.73 | 42.89 | 53.83 | 62.29 | 75.07 | b | 76.50 | a | 73.68 | 68.92 | 52.92 | 47.20 | 38.87 | 55.26 | |||||||||||
2022 | 34.05 | 35.70 | 43.94 | 53.58 | 63.82 | 73.12 | 77.15 | 73.60 | 69.68 | 53.66 | 38.65 | 35.89 | 54.40 | |||||||||||||
2023 | 33.87 | 34.39 | e | 41.71 | 51.53 | 61.06 | 67.08 | 80.27 | 74.89 | 68.87 | 57.53 | 45.35 | 37.63 | 54.52 | ||||||||||||
2024 | 34.55 | 41.43 | 43.12 | b | 50.88 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.70 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.89 | 39.05 | 45.60 | 52.61 | 61.11 | 71.75 | 76.26 | 74.00 | 67.65 | 56.14 | 44.39 | 35.65 | 54.83 | |||||||||||||
S.D. | 3.59 | 3.30 | 2.88 | 2.18 | 3.10 | 2.45 | 2.03 | 1.73 | 1.75 | 2.75 | 2.99 | 2.89 | 1.51 | |||||||||||||
SKEW | 0.06 | 0.01 | 0.50 | -0.76 | -0.17 | -0.58 | 0.54 | 0.28 | -0.57 | 0.27 | 0.03 | 0.16 | -0.35 | |||||||||||||
MAX | 42.16 | 45.36 | 53.15 | 56.38 | 66.53 | 75.91 | 80.43 | 78.16 | 69.98 | 62.54 | 50.80 | 41.11 | 57.15 | |||||||||||||
MIN | 27.47 | 33.77 | 41.21 | 45.88 | 55.15 | 65.75 | 72.92 | 70.45 | 64.11 | 51.87 | 38.65 | 30.75 | 51.46 | |||||||||||||
YRS | 26 | 26 | 24 | 25 | 24 | 23 | 21 | 24 | 24 | 23 | 26 | 24 | 16 |