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 | 53.23 | 36.70 | 30.06 | 40.00 | i | |||
1974 | 20.89 | 35.23 | 43.65 | 47.23 | 61.11 | 67.43 | 72.40 | 67.31 | 58.22 | 52.16 | 37.32 | 29.48 | 49.37 | |||||||||||||
1975 | 31.02 | 30.95 | 37.84 | 43.88 | 54.35 | 64.38 | 71.85 | 69.95 | 59.32 | 52.97 | 35.50 | 35.02 | 48.92 | |||||||||||||
1976 | 29.94 | 39.21 | 37.40 | 49.52 | 56.50 | 65.97 | 72.73 | 68.73 | 61.02 | 48.24 | 37.22 | 34.03 | 50.04 | |||||||||||||
1977 | 26.82 | 36.86 | 39.15 | 50.28 | 60.55 | 70.95 | 72.92 | 69.00 | 65.22 | 52.06 | ----- | z | 33.21 | 52.46 | a | |||||||||||
1978 | 23.60 | 29.05 | 43.05 | 50.25 | 54.87 | 67.38 | 73.02 | 68.79 | 63.82 | 52.40 | 37.23 | 23.39 | 48.90 | |||||||||||||
1979 | 16.87 | a | 33.25 | 40.87 | 49.10 | ----- | z | 66.08 | 72.13 | 68.21 | 64.90 | 53.16 | 30.63 | 31.81 | 47.91 | a | ||||||||||
1980 | 23.89 | 31.78 | 36.42 | 46.30 | ----- | z | 70.02 | 74.90 | 71.31 | 64.33 | 50.15 | 40.23 | 40.26 | 49.96 | a | |||||||||||
1981 | 33.77 | 34.34 | 39.69 | 55.37 | 55.95 | 69.55 | 73.06 | 69.18 | 65.37 | 50.94 | 43.02 | 32.45 | 51.89 | |||||||||||||
1982 | 29.21 | 32.25 | 41.85 | 48.38 | 56.31 | 63.22 | 71.48 | 72.44 | 61.70 | 49.63 | 35.72 | 29.92 | 49.34 | |||||||||||||
1983 | 30.63 | 36.70 | 37.76 | 42.55 | 52.98 | 63.37 | 72.52 | 73.81 | 64.76 | a | 53.18 | 37.43 | 15.92 | 48.47 | ||||||||||||
1984 | 22.81 | 34.47 | 38.74 | 42.50 | 59.82 | 66.03 | 73.39 | 71.40 | 61.25 | 45.65 | 39.50 | 31.89 | 48.95 | |||||||||||||
1985 | 25.56 | 27.57 | 42.02 | 52.28 | 60.90 | 68.36 | a | 73.40 | 72.65 | 60.02 | 50.84 | 29.45 | 27.03 | 49.17 | ||||||||||||
1986 | 39.00 | 36.62 | 47.85 | 50.30 | 57.76 | 70.15 | 72.93 | a | 71.32 | 60.80 | 49.74 | 38.52 | 30.10 | 52.09 | ||||||||||||
1987 | 30.02 | b | 36.20 | 38.94 | 52.13 | 59.60 | 69.27 | 73.94 | 69.82 | 61.65 | 51.73 | 38.67 | 27.65 | 50.80 | ||||||||||||
1988 | 21.70 | a | 32.33 | 39.81 | 50.24 | g | 59.50 | 71.67 | 73.60 | 72.94 | 62.08 | 53.69 | 40.22 | 28.13 | 50.51 | a | ||||||||||
1989 | 32.90 | 21.43 | 42.50 | a | 51.18 | 59.89 | 65.95 | 74.76 | 70.65 | 61.83 | 51.06 | 41.75 | 26.35 | 50.02 | ||||||||||||
1990 | 34.18 | 31.71 | 39.31 | 49.43 | a | 56.08 | 71.82 | 70.73 | a | 70.26 | 66.05 | 52.87 | 42.78 | 24.11 | 50.78 | |||||||||||
1991 | 26.73 | 38.55 | 42.61 | 48.36 | a | ----- | z | 69.03 | 71.47 | a | 70.52 | 62.55 | 50.79 | 33.73 | 31.48 | a | 49.62 | a | ||||||||
1992 | 29.76 | 38.55 | 42.94 | 54.38 | a | 60.70 | a | 66.05 | 70.31 | 68.18 | 64.68 | 53.53 | 32.90 | 22.42 | 50.37 | |||||||||||
1993 | 23.03 | 25.80 | 41.32 | 46.90 | 57.42 | 65.15 | 71.43 | b | 68.66 | 58.18 | e | 46.50 | 34.62 | b | 31.63 | 47.55 | ||||||||||
1994 | 32.53 | a | 27.07 | 42.35 | 47.30 | b | 60.65 | 71.17 | c | 71.29 | 72.17 | a | 64.00 | e | 50.36 | j | 33.79 | a | 33.79 | 50.56 | a | |||||
1995 | 29.40 | 35.54 | a | 39.44 | 43.45 | 50.61 | 62.72 | a | 71.12 | a | 73.58 | a | 61.03 | 48.37 | 41.17 | 32.80 | a | 49.10 | ||||||||
1996 | 25.50 | a | 32.82 | a | 35.78 | a | 48.40 | a | 57.90 | a | 68.78 | 72.27 | c | 70.13 | 59.92 | 51.13 | 36.58 | 33.29 | 49.38 | |||||||
1997 | 26.80 | a | 31.21 | 41.63 | 42.13 | 57.03 | a | 68.48 | c | 72.46 | f | 69.93 | c | 63.83 | a | 49.74 | b | 34.67 | a | 28.48 | b | 46.72 | a | |||
1998 | 32.30 | d | 34.61 | 38.02 | b | 46.28 | a | 59.98 | b | 63.33 | 73.97 | a | 71.20 | f | 67.21 | d | 50.06 | d | 42.59 | g | 30.85 | d | 49.66 | b | ||
1999 | 34.40 | g | 38.66 | c | 43.90 | b | 44.40 | 56.12 | c | 65.52 | 75.20 | i | 71.40 | b | 58.39 | c | 50.92 | a | 45.21 | a | 35.64 | c | 51.02 | b | ||
2000 | 33.10 | 38.52 | b | 41.93 | a | 51.06 | e | 60.38 | e | 67.23 | b | 75.34 | b | 73.83 | a | 62.31 | a | 50.15 | g | 30.45 | a | 27.48 | g | 53.42 | b | |
2001 | 28.76 | b | 26.98 | b | 39.78 | b | 50.56 | c | 57.13 | a | 69.26 | a | 75.86 | c | 72.00 | c | 64.52 | b | 51.29 | 41.26 | a | 33.19 | d | 50.88 | ||
2002 | 29.35 | a | 32.66 | 35.00 | a | 50.83 | 56.21 | 71.59 | c | 75.40 | e | 71.50 | b | 63.32 | 45.19 | 37.55 | a | 33.55 | b | 50.18 | ||||||
2003 | 36.05 | 29.09 | 40.65 | 52.09 | c | 58.98 | d | 64.07 | a | 76.09 | c | 73.38 | c | 60.58 | e | 54.94 | 37.30 | e | 31.97 | a | 51.26 | |||||
2004 | 30.90 | b | 32.06 | c | 47.63 | 50.31 | a | 59.86 | b | 64.55 | b | 71.27 | c | 68.12 | c | 63.43 | b | 51.52 | d | 39.94 | d | 33.93 | b | 51.13 | ||
2005 | 33.21 | b | 35.24 | a | 40.48 | 48.34 | e | 58.14 | f | 66.30 | c | 76.08 | k | 70.57 | b | 64.92 | 51.50 | a | 44.71 | b | 28.73 | c | 48.40 | b | ||
2006 | 37.60 | a | 30.19 | a | 36.48 | e | 51.91 | a | 58.09 | h | 71.84 | e | 75.28 | a | 72.77 | 59.62 | b | 50.34 | 40.13 | 29.07 | a | 50.48 | a | |||
2007 | 18.39 | 28.20 | 46.08 | 47.40 | 59.82 | 69.79 | a | 76.58 | 75.17 | a | 65.22 | 53.29 | 40.92 | 24.97 | a | 50.48 | ||||||||||
2008 | 27.00 | 32.98 | 41.11 | 46.65 | 56.98 | 67.55 | 75.81 | 70.92 | a | 61.40 | 51.23 | 43.37 | 26.19 | 50.10 | ||||||||||||
2009 | 33.63 | 38.23 | 41.50 | a | 47.79 | b | 58.95 | a | 64.66 | a | 71.18 | 69.97 | 62.48 | 43.05 | 41.68 | 23.75 | a | 49.74 | ||||||||
2010 | 28.16 | 28.68 | 40.16 | 48.42 | 54.02 | 69.28 | 74.55 | 73.82 | 65.85 | 54.60 | 38.87 | 34.35 | 50.90 | |||||||||||||
2011 | 27.69 | 27.64 | 43.06 | 48.45 | 52.23 | 68.03 | 75.65 | 75.24 | 63.53 | a | 51.55 | 39.77 | 25.55 | 49.87 | ||||||||||||
2012 | 35.19 | 28.45 | 48.00 | 54.12 | 60.18 | 73.50 | 77.66 | 74.21 | 65.38 | 48.71 | 41.55 | 30.82 | 53.15 | |||||||||||||
2013 | 28.42 | 30.29 | 37.13 | 42.58 | 58.16 | 70.38 | 74.02 | 74.23 | 66.52 | 47.47 | 40.37 | 28.37 | 49.83 | |||||||||||||
2014 | 30.58 | 27.45 | 40.61 | 49.60 | 56.87 | 67.78 | 73.42 | a | 70.35 | 64.20 | 54.11 | 36.07 | 29.55 | 50.05 | ||||||||||||
2015 | 32.27 | 33.50 | 43.42 | 49.18 | 53.10 | 70.33 | 72.76 | 73.44 | 68.36 | a | 56.06 | 38.95 | 27.44 | 51.57 | ||||||||||||
2016 | 28.39 | 36.84 | 40.90 | a | 47.98 | 54.35 | 71.83 | 75.26 | 71.29 | 64.90 | 56.32 | 45.48 | 27.19 | 51.73 | ||||||||||||
2017 | 30.02 | a | 40.38 | 47.68 | 49.62 | 55.77 | 69.93 | 75.10 | 70.60 | 63.93 | 50.06 | 44.95 | 33.73 | 52.65 | ||||||||||||
2018 | 32.90 | 29.27 | 43.24 | 48.63 | 61.39 | 72.02 | 74.48 | 71.60 | a | 66.42 | 48.50 | 38.00 | 32.11 | 51.55 | ||||||||||||
2019 | 31.67 | a | 26.73 | 35.40 | a | 50.02 | 51.81 | 65.92 | 75.19 | 74.76 | 68.18 | 44.71 | 37.55 | a | 32.56 | 49.54 | ||||||||||
2020 | 33.73 | 27.47 | 42.32 | 45.95 | 60.24 | 70.60 | 75.16 | 75.10 | 63.12 | a | 48.82 | 42.35 | 32.84 | 51.47 | ||||||||||||
2021 | 31.23 | 26.25 | 38.98 | a | 45.50 | 56.82 | 70.78 | 76.06 | 73.26 | 66.83 | a | 52.76 | 44.85 | 37.84 | 51.76 | |||||||||||
2022 | 28.32 | 27.66 | 40.18 | 48.40 | 56.85 | 69.14 | a | 76.19 | 73.77 | 66.48 | a | 52.76 | 35.13 | 29.71 | 50.38 | |||||||||||
2023 | 24.63 | 30.00 | 36.13 | 46.83 | 58.50 | 64.65 | 73.05 | 72.52 | 65.83 | 52.18 | 41.35 | 36.08 | 50.15 | |||||||||||||
2024 | 26.68 | 36.53 | 41.15 | 49.02 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.79 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.13 | 32.24 | 40.86 | 48.46 | 57.45 | 68.06 | 73.68 | 71.52 | 63.39 | 50.93 | 38.72 | 30.29 | 50.36 | |||||||||||||
S.D. | 4.65 | 4.36 | 3.18 | 3.09 | 2.76 | 2.81 | 1.81 | 2.11 | 2.60 | 2.82 | 3.90 | 4.32 | 1.21 | |||||||||||||
SKEW | -0.45 | -0.06 | 0.39 | -0.17 | -0.58 | -0.17 | 0.05 | -0.02 | -0.23 | -0.67 | -0.32 | -0.64 | 0.14 | |||||||||||||
MAX | 39.00 | 40.38 | 48.00 | 55.37 | 61.39 | 73.50 | 77.66 | 75.24 | 68.36 | 56.32 | 45.48 | 40.26 | 53.15 | |||||||||||||
MIN | 16.87 | 21.43 | 35.00 | 42.13 | 50.61 | 62.72 | 70.31 | 67.31 | 58.18 | 43.05 | 29.45 | 15.92 | 47.55 | |||||||||||||
YRS | 50 | 51 | 51 | 49 | 45 | 50 | 47 | 49 | 50 | 49 | 49 | 50 | 38 |