YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.21 | 74.68 | 65.61 | c | 55.36 | m | 40.00 | n | 38.11 | m | 72.17 | i | ||
1976 | 31.71 | j | 39.80 | i | 42.00 | h | 52.41 | b | 59.10 | 69.33 | 76.74 | 73.42 | 64.00 | 49.06 | 43.21 | m | 35.32 | n | 63.44 | e | ||||||
1977 | 28.68 | l | 37.47 | k | 41.13 | e | 53.33 | a | 63.26 | 73.90 | 76.85 | 73.87 | 67.75 | 54.33 | b | 42.37 | k | 36.75 | m | 63.05 | d | |||||
1978 | 25.71 | j | 28.17 | j | 44.84 | i | 54.08 | 58.00 | 70.57 | 78.34 | 73.13 | 66.27 | 54.53 | 38.18 | p | 29.34 | o | 64.99 | e | |||||||
1979 | 18.27 | i | 32.61 | i | 43.65 | h | 52.20 | b | 56.97 | 68.38 | 76.10 | 71.21 | 67.58 | 54.56 | 35.84 | k | 35.72 | m | 63.86 | e | ||||||
1980 | 27.88 | k | 35.76 | j | 40.02 | k | 48.12 | d | 56.97 | 72.37 | 79.21 | 74.95 | 65.72 | 51.90 | 44.57 | i | 43.00 | m | 64.18 | e | ||||||
1981 | 35.76 | j | 32.93 | m | 42.64 | j | 56.48 | h | 60.44 | m | 73.10 | f | 77.55 | i | 72.57 | c | 66.20 | 54.19 | 46.02 | f | 32.02 | k | 64.32 | i | ||
1982 | 28.38 | k | 27.50 | k | 43.20 | h | 47.98 | i | 58.30 | a | 65.52 | ----- | z | 73.60 | 64.64 | a | 49.98 | g | 38.85 | j | 33.84 | l | 65.51 | h | ||
1983 | 34.76 | j | 36.15 | d | 40.77 | a | 45.75 | 56.26 | 66.32 | 77.27 | 77.07 | a | 68.24 | a | 54.60 | a | 42.55 | a | 21.05 | c | 53.27 | a | ||||
1984 | 26.82 | 36.98 | d | 38.17 | d | 45.48 | a | 62.10 | 70.84 | a | 77.27 | 74.63 | d | 64.63 | 47.83 | a | 41.79 | f | 36.16 | 52.81 | a | |||||
1985 | 26.45 | c | 26.85 | b | 43.88 | b | 53.60 | a | 61.63 | a | 70.78 | 75.66 | 74.00 | a | 63.32 | b | 51.31 | 34.03 | a | 27.82 | 50.78 | |||||
1986 | 38.80 | c | 37.84 | c | 48.81 | 53.80 | b | 60.23 | 70.55 | a | 75.88 | c | 73.34 | 63.20 | 52.06 | 42.08 | 32.03 | a | 54.05 | |||||||
1987 | 31.92 | a | 37.07 | a | ----- | z | 52.03 | a | 61.71 | 71.50 | a | 76.71 | 72.73 | 65.28 | a | 52.85 | a | 41.18 | 31.07 | a | 54.00 | a | ||||
1988 | 23.53 | a | 34.50 | d | 40.43 | a | 51.39 | b | 60.73 | a | 73.40 | a | 76.16 | 75.73 | 65.32 | 55.63 | 42.50 | 32.13 | 52.62 | |||||||
1989 | 34.13 | a | 23.27 | 46.71 | 53.28 | 62.11 | 67.63 | 77.55 | 73.21 | 65.05 | 54.27 | a | 43.97 | 28.15 | 52.44 | |||||||||||
1990 | 35.87 | 34.39 | 41.79 | 51.55 | 57.26 | 73.47 | 73.31 | 72.13 | 69.15 | 54.00 | 45.07 | 27.05 | 52.92 | |||||||||||||
1991 | 29.61 | 39.54 | 42.56 | 49.93 | b | 62.18 | a | 71.93 | 75.18 | 73.81 | 64.47 | a | 52.83 | a | 34.65 | 31.09 | b | 52.31 | ||||||||
1992 | 33.74 | b | 39.72 | 45.98 | d | 55.03 | a | 62.22 | a | 66.90 | a | 73.83 | a | 72.26 | 67.29 | b | 55.12 | c | 36.21 | b | 32.77 | e | 53.42 | |||
1993 | 26.79 | g | 31.88 | c | 42.23 | a | 50.43 | c | 60.50 | 70.00 | a | 76.28 | a | 72.98 | b | 62.07 | 50.02 | d | 35.09 | c | 32.38 | e | 53.08 | a | ||
1994 | 32.63 | d | 31.77 | f | 45.19 | d | 50.03 | a | 61.16 | 73.57 | 74.18 | 75.40 | 67.05 | 52.87 | 38.46 | d | 37.05 | c | 55.24 | a | ||||||
1995 | 32.83 | b | 37.82 | c | 40.66 | b | 44.24 | a | 54.61 | 66.82 | 73.60 | 77.03 | a | 64.68 | b | 51.63 | 43.11 | b | 34.21 | e | 51.77 | |||||
1996 | 28.30 | d | 35.12 | e | 38.85 | a | 52.22 | a | 64.58 | a | 72.35 | 76.13 | 73.24 | 64.07 | 52.91 | b | 40.59 | b | 35.40 | g | 54.40 | a | ||||
1997 | 30.66 | f | 32.66 | c | 46.09 | b | 45.58 | 60.48 | 71.28 | 76.74 | 72.98 | 67.17 | a | 52.21 | 33.67 | c | 31.95 | b | 53.71 | a | ||||||
1998 | 34.53 | b | 35.46 | b | 39.34 | 48.00 | b | 63.05 | a | 69.02 | a | 75.95 | 73.08 | 68.67 | 52.22 | a | 43.60 | e | 30.57 | d | 52.79 | |||||
1999 | 34.96 | f | 41.63 | i | 46.04 | c | 47.48 | b | 60.18 | a | 68.85 | c | 77.23 | 74.75 | c | 62.50 | 54.68 | a | 47.98 | a | 37.07 | a | 57.68 | b | ||
2000 | 35.05 | a | 39.85 | b | 44.11 | 52.92 | 63.33 | a | 71.88 | a | 78.87 | a | 77.58 | 67.47 | a | 54.07 | a | 34.61 | b | 29.87 | d | 54.13 | ||||
2001 | ----- | z | 32.58 | h | 41.03 | b | 52.45 | a | 58.03 | a | 71.65 | 79.34 | 75.71 | 67.62 | 53.62 | a | 44.73 | d | 33.93 | c | 57.81 | b | ||||
2002 | 30.42 | e | 32.69 | j | 40.62 | f | 53.57 | a | 61.33 | a | 75.78 | 78.89 | 74.43 | a | 66.95 | a | 48.38 | a | 41.33 | 35.76 | 56.69 | b | ||||
2003 | 37.65 | 29.23 | b | 44.67 | d | 54.38 | 61.93 | b | 66.74 | a | 80.05 | b | 76.12 | c | 62.25 | 57.02 | 40.86 | b | 39.52 | d | 54.20 | |||||
2004 | 30.97 | 33.16 | 47.50 | b | 49.90 | 62.69 | 66.83 | 72.13 | 69.08 | a | 64.25 | 52.85 | d | 39.52 | 33.77 | a | 51.89 | |||||||||
2005 | 34.35 | a | 36.82 | 40.39 | 48.78 | 58.90 | a | 69.38 | 77.08 | 71.69 | 65.80 | 54.35 | 45.22 | a | 30.57 | a | 52.78 | |||||||||
2006 | 37.89 | 33.14 | 42.68 | 55.23 | 63.90 | 75.68 | 78.03 | 74.29 | 61.42 | 52.18 | 42.55 | 33.56 | 54.21 | |||||||||||||
2007 | 21.81 | 34.32 | 48.06 | 48.50 | 61.24 | 70.17 | 77.39 | 77.82 | 67.78 | 56.61 | 44.23 | 32.21 | 53.35 | |||||||||||||
2008 | 30.55 | 35.50 | 42.60 | 49.32 | 60.73 | 71.77 | 79.02 | 73.55 | 65.45 | 54.74 | 45.52 | a | 32.26 | 53.42 | ||||||||||||
2009 | 37.34 | 40.05 | 44.92 | 50.42 | 63.60 | 69.92 | 76.37 | 74.05 | 65.02 | 47.23 | 44.73 | 27.63 | 53.44 | |||||||||||||
2010 | 33.23 | 31.38 | 42.98 | 52.58 | 59.27 | 73.97 | 78.97 | a | 76.24 | 70.57 | a | 57.60 | 41.17 | 35.24 | 54.43 | |||||||||||
2011 | 29.20 | a | 27.93 | 45.31 | 52.90 | 58.79 | 74.55 | 80.76 | 80.00 | 67.70 | 54.63 | 43.08 | 28.44 | 53.61 | ||||||||||||
2012 | 37.63 | 32.74 | 49.24 | 56.08 | 63.44 | 77.45 | 80.73 | 75.95 | 66.82 | 52.84 | 46.48 | 33.03 | 56.04 | |||||||||||||
2013 | 30.40 | a | 34.09 | 42.05 | 47.87 | 60.87 | 74.58 | 76.79 | 75.71 | 69.77 | 52.27 | 41.28 | 32.92 | a | 53.22 | |||||||||||
2014 | 32.95 | 30.30 | a | 42.95 | a | 51.48 | 60.85 | 72.18 | 76.02 | 73.60 | 67.30 | 56.71 | 38.33 | 33.21 | 52.99 | |||||||||||
2015 | 33.68 | 36.11 | 44.50 | a | 52.53 | 57.11 | 73.12 | 74.94 | 75.21 | 70.92 | 58.32 | 41.32 | 33.85 | 54.30 | ||||||||||||
2016 | 33.74 | 39.98 | 44.94 | 50.92 | 58.77 | 75.22 | 78.29 | 73.13 | 69.08 | 59.40 | 46.35 | 30.47 | 55.02 | |||||||||||||
2017 | 33.71 | 43.54 | 49.61 | 51.67 | 58.35 | 72.55 | 76.69 | 72.03 | 66.73 | 53.35 | 47.10 | 33.82 | 54.93 | |||||||||||||
2018 | 35.11 | 33.29 | 45.27 | 49.68 | 66.47 | 76.50 | 78.19 | 73.48 | 69.78 | 51.00 | 38.48 | 34.11 | h | 56.12 | a | |||||||||||
2019 | 33.47 | a | 32.71 | 40.81 | 52.43 | 55.63 | 68.62 | 77.89 | 77.40 | 72.28 | 48.18 | 38.72 | 35.16 | 52.77 | ||||||||||||
2020 | 35.45 | 29.19 | 45.87 | 49.27 | 63.97 | 74.15 | 78.16 | 77.98 | 65.33 | 52.06 | 45.03 | 34.90 | 54.28 | |||||||||||||
2021 | 31.85 | 27.75 | 42.15 | 49.57 | 59.32 | 72.70 | 76.68 | 76.35 | 70.55 | 56.18 | 46.53 | 41.56 | 54.27 | |||||||||||||
2022 | 32.76 | 29.86 | 39.77 | 51.10 | 60.29 | 71.25 | 78.34 | 76.00 | 69.73 | 55.06 | 38.65 | 30.65 | 52.79 | |||||||||||||
2023 | 31.92 | 31.39 | 38.50 | 49.92 | 62.23 | 67.80 | 77.68 | 76.45 | 69.33 | 54.77 | 44.82 | 36.97 | 53.48 | |||||||||||||
2024 | 29.19 | 39.31 | 44.02 | 51.45 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.51 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.42 | 34.23 | 43.48 | 50.94 | 60.52 | 71.27 | 77.01 | 74.48 | 66.53 | 53.38 | 41.64 | 32.61 | 53.42 | |||||||||||||
S.D. | 3.81 | 4.36 | 2.99 | 2.73 | 2.56 | 2.92 | 1.85 | 2.04 | 2.51 | 2.65 | 3.89 | 3.69 | 1.08 | |||||||||||||
SKEW | -0.76 | -0.24 | 0.19 | -0.49 | -0.17 | -0.04 | -0.32 | 0.21 | 0.09 | -0.28 | -0.51 | -0.39 | -0.02 | |||||||||||||
MAX | 38.80 | 43.54 | 49.61 | 56.08 | 66.47 | 77.45 | 80.76 | 80.00 | 72.28 | 59.40 | 47.98 | 41.56 | 56.04 | |||||||||||||
MIN | 21.81 | 23.27 | 38.17 | 44.24 | 54.61 | 65.52 | 72.13 | 69.08 | 61.42 | 47.23 | 33.67 | 21.05 | 50.78 | |||||||||||||
YRS | 37 | 38 | 41 | 46 | 47 | 47 | 47 | 49 | 49 | 47 | 40 | 39 | 30 |