YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | 65.77 | 71.83 | a | 82.70 | a | 76.87 | 70.43 | b | 62.31 | r | ----- | z | ----- | z | 73.52 | g | ||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | 57.19 | 65.93 | 78.10 | 77.03 | 68.59 | a | 60.97 | a | ----- | z | ----- | z | 67.97 | f | ||||
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.40 | a | ----- | z | 34.52 | 46.96 | j | |
1969 | 37.13 | 35.07 | 31.83 | a | 54.67 | 66.23 | a | 64.07 | 81.00 | a | 81.45 | 72.93 | 42.68 | 40.60 | 37.47 | a | 53.76 | |||||||||
1970 | 32.61 | 42.30 | a | 35.84 | 43.60 | 63.81 | 69.27 | 78.58 | 80.97 | 65.33 | 49.26 | 40.47 | 35.06 | 53.09 | ||||||||||||
1971 | 32.97 | 33.54 | ----- | z | ----- | z | 58.00 | 73.93 | 77.23 | 79.97 | 65.40 | 55.10 | 42.67 | 33.23 | a | 55.20 | b | |||||||||
1972 | 34.06 | 39.69 | 51.81 | 53.83 | a | 62.06 | 73.50 | 78.03 | 77.26 | 68.70 | 56.58 | ----- | z | 28.62 | e | 56.74 | a | |||||||||
1973 | 31.00 | g | 31.25 | 36.00 | 41.59 | a | 58.97 | 68.73 | 73.06 | 74.42 | 61.93 | 56.90 | 38.57 | 34.67 | g | 54.14 | b | |||||||||
1974 | 28.33 | g | 29.61 | 39.77 | 46.33 | f | 64.84 | 72.83 | 78.00 | 75.00 | 65.33 | 54.00 | 39.03 | 28.81 | 54.72 | b | ||||||||||
1975 | 30.73 | e | 29.78 | a | 35.65 | 42.27 | 53.72 | b | 68.43 | 79.29 | 76.13 | 68.80 | 60.06 | 40.33 | 37.39 | 51.88 | ||||||||||
1976 | 31.65 | 38.00 | 42.73 | a | 52.77 | 63.07 | a | 74.03 | 82.84 | 78.90 | 71.43 | 57.32 | 45.77 | 38.26 | 56.40 | |||||||||||
1977 | 33.70 | a | 39.75 | 39.10 | a | 54.26 | c | 64.35 | 79.17 | 80.61 | 77.29 | 74.83 | 60.94 | 44.93 | ----- | z | 58.99 | a | ||||||||
1978 | 32.84 | 36.32 | 46.35 | 53.30 | ----- | z | 72.90 | 82.45 | 77.65 | 70.27 | 58.97 | 44.40 | 25.65 | 54.64 | a | |||||||||||
1979 | 22.77 | 34.07 | 41.29 | 51.33 | 58.17 | a | 72.50 | 80.90 | 75.23 | 73.73 | 60.29 | 32.10 | a | 36.97 | 53.28 | |||||||||||
1980 | 32.35 | 35.48 | ----- | z | 48.50 | 57.68 | 78.60 | 81.97 | 75.29 | ----- | z | ----- | z | 44.43 | 48.44 | d | 55.86 | c | ||||||||
1981 | 43.94 | 42.36 | 43.94 | 60.54 | b | 55.65 | 74.67 | 80.43 | a | 78.42 | 75.63 | 56.65 | 52.27 | d | 35.52 | 58.33 | ||||||||||
1982 | 30.31 | b | 43.25 | d | 42.88 | g | 49.42 | r | 55.23 | 68.37 | 80.44 | d | 81.45 | 67.27 | 54.35 | 41.59 | m | 32.36 | i | 60.08 | d | |||||
1983 | 35.95 | j | 35.11 | 35.23 | 39.32 | b | 52.77 | ----- | z | 76.26 | 78.86 | c | 70.67 | 55.53 | n | 40.56 | c | 31.92 | s | 53.60 | d | |||||
1984 | 29.09 | i | 28.00 | 32.42 | 38.63 | 60.32 | 65.97 | 79.19 | 75.84 | 66.48 | c | 49.57 | a | 43.27 | d | 34.00 | 52.15 | a | ||||||||
1985 | 27.64 | i | 33.08 | c | 44.21 | b | 52.70 | 60.68 | 69.83 | 76.81 | 77.81 | 67.78 | g | 53.69 | r | 35.16 | k | 30.81 | j | 59.30 | e | |||||
1986 | 39.74 | 34.96 | d | 49.39 | 49.30 | 58.97 | 72.88 | e | 75.32 | 76.35 | 63.33 | 52.50 | c | 39.21 | k | 34.58 | 55.21 | a | ||||||||
1987 | 33.77 | 39.88 | d | 40.94 | 56.73 | 62.84 | 72.96 | c | 79.48 | 74.80 | a | 71.03 | 60.93 | b | 40.43 | 28.81 | 55.22 | |||||||||
1988 | 24.09 | h | 32.34 | 34.87 | 53.13 | 60.91 | i | 76.00 | c | 81.27 | i | 80.79 | l | 69.88 | f | 62.89 | c | 40.65 | g | 33.19 | 48.74 | f | ||||
1989 | 36.83 | a | 23.88 | b | 48.21 | c | 50.26 | g | 65.67 | j | 70.20 | o | 79.55 | t | 78.87 | h | 70.33 | c | 55.21 | c | 42.90 | j | 35.00 | b | 44.91 | f |
1990 | 38.47 | a | 33.55 | h | 43.90 | 54.57 | 61.94 | 75.57 | 75.71 | c | 77.84 | 73.87 | 57.38 | b | 46.97 | 31.55 | 57.98 | a | ||||||||
1991 | 34.23 | 45.11 | 45.26 | 50.47 | 61.90 | 70.95 | j | 80.32 | c | 78.61 | h | 73.10 | 65.14 | b | 45.10 | i | 43.07 | c | 55.40 | c | ||||||
1992 | 36.96 | g | 41.03 | 47.32 | 58.53 | 67.24 | b | 70.80 | 76.27 | a | 77.25 | g | 72.77 | 60.15 | d | 35.92 | d | 30.75 | g | 58.89 | c | |||||
1993 | 32.81 | 30.59 | a | 46.12 | g | 51.83 | 67.61 | 73.54 | f | 81.37 | a | 80.90 | 69.87 | 55.65 | 38.62 | f | 34.52 | d | 56.13 | c | ||||||
1994 | 37.07 | b | 36.91 | f | 51.75 | o | 58.33 | r | 66.79 | b | 77.13 | 80.10 | 80.06 | 73.33 | c | 54.47 | p | 40.68 | e | 39.00 | a | 61.77 | d | |||
1995 | 38.20 | u | 47.35 | h | 47.58 | g | 51.79 | k | 54.89 | m | 67.71 | b | 79.50 | e | 84.81 | 70.14 | i | 55.26 | d | 44.27 | 38.55 | 61.68 | f | |||
1996 | 32.58 | 39.83 | 43.06 | 51.37 | 62.32 | 74.70 | 80.94 | 78.55 | 66.30 | 55.84 | 40.40 | e | 33.84 | 54.98 | ||||||||||||
1997 | 31.74 | 34.89 | 50.48 | 44.27 | 63.29 | 74.03 | 80.65 | 77.45 | 70.30 | 56.52 | 38.80 | 27.81 | 54.19 | |||||||||||||
1998 | 35.45 | 36.32 | 41.82 | c | 50.30 | 65.42 | 66.20 | 80.48 | 79.06 | 75.90 | 57.74 | 46.41 | a | 34.33 | j | 57.74 | a | |||||||||
1999 | 35.89 | d | 39.68 | 48.84 | 44.97 | 58.61 | 68.90 | 79.94 | 77.23 | 65.10 | 61.03 | 54.37 | 32.16 | 55.56 | ||||||||||||
2000 | 33.48 | 40.75 | a | 43.16 | 53.90 | 65.97 | 75.37 | 85.13 | 83.39 | 70.97 | 59.13 | 28.07 | c | 29.35 | 55.72 | |||||||||||
2001 | 28.25 | g | 34.07 | 42.71 | 52.07 | 63.58 | 80.00 | 84.23 | 82.00 | 74.60 | 57.58 | 45.93 | 34.32 | 59.19 | a | |||||||||||
2002 | 30.58 | 36.61 | 38.52 | 57.43 | g | 64.81 | 79.83 | 85.58 | 79.32 | 71.10 | 50.87 | 40.30 | 40.45 | i | 57.75 | b | ||||||||||
2003 | 42.35 | 32.89 | 41.50 | a | 53.14 | a | 63.58 | e | 68.13 | 84.06 | 81.00 | 68.00 | 63.16 | 38.50 | h | 34.56 | d | 57.49 | a | |||||||
2004 | 34.71 | 34.48 | 51.77 | 54.79 | a | 64.55 | 68.80 | 76.70 | a | 73.16 | 65.07 | 55.26 | 39.00 | h | 35.23 | a | 55.87 | a | ||||||||
2005 | 38.13 | a | 37.86 | 42.94 | ----- | z | 67.73 | p | 70.27 | 86.03 | 78.97 | 76.43 | 60.81 | 45.07 | 34.19 | 57.07 | b | |||||||||
2006 | 39.77 | 36.11 | 44.39 | ----- | z | 66.90 | 79.83 | 84.06 | 80.06 | 65.20 | 52.65 | 46.20 | 34.42 | 57.24 | a | |||||||||||
2007 | 25.32 | 37.36 | 50.23 | 53.27 | 63.32 | 75.90 | 84.48 | 81.19 | 70.77 | 59.42 | 48.10 | 29.71 | 56.59 | |||||||||||||
2008 | 29.58 | 35.00 | 42.43 | a | 49.67 | 59.10 | 74.37 | 83.00 | 78.77 | a | 69.47 | 59.97 | 40.50 | x | 32.71 | 55.82 | a | |||||||||
2009 | 37.58 | 40.07 | 46.94 | 49.43 | 63.42 | 68.67 | 78.26 | 78.39 | 72.17 | 48.81 | 45.10 | 24.97 | 54.48 | |||||||||||||
2010 | 31.61 | 31.18 | 42.32 | 50.77 | 57.81 | 72.63 | 80.16 | 79.68 | 76.00 | 60.45 | 40.87 | 35.61 | 54.92 | |||||||||||||
2011 | 31.71 | 31.96 | 45.68 | 49.69 | a | 56.10 | 73.23 | 81.74 | 83.61 | 70.97 | 58.03 | 43.93 | 32.39 | 54.92 | ||||||||||||
2012 | 40.61 | 34.97 | 54.74 | 60.17 | 65.58 | 81.27 | 84.29 | 82.48 | 73.27 | 56.68 | 51.87 | 33.68 | 59.97 | |||||||||||||
2013 | 32.35 | 35.36 | 44.77 | 46.27 | 62.77 | 78.52 | a | 80.97 | 81.42 | 70.67 | 52.87 | 45.93 | 33.71 | 55.47 | ||||||||||||
2014 | 36.68 | 36.36 | 46.68 | 52.50 | 60.68 | 71.40 | 79.39 | 74.65 | 71.20 | 61.16 | 41.17 | 35.94 | 55.65 | |||||||||||||
2015 | 38.58 | 39.43 | 51.32 | 51.70 | 56.39 | 76.10 | 76.90 | a | 79.55 | 75.50 | 61.94 | 41.20 | 31.39 | 56.67 | ||||||||||||
2016 | 31.10 | 40.66 | 43.19 | 49.37 | 58.77 | 77.70 | 80.81 | 77.61 | 71.67 | 62.70 | a | 50.87 | 33.77 | 56.52 | ||||||||||||
2017 | 28.97 | 41.82 | 52.29 | 52.73 | 60.23 | 74.97 | 82.90 | 76.23 | 68.83 | 55.10 | 50.77 | 38.06 | 56.91 | |||||||||||||
2018 | 40.94 | 36.11 | 45.03 | 53.80 | 66.13 | 75.93 | 81.48 | 78.26 | 75.50 | 53.84 | 38.80 | 33.10 | 56.58 | |||||||||||||
2019 | 33.00 | 35.86 | 37.74 | 52.57 | 55.32 | 69.50 | 80.81 | 80.26 | 74.13 | 49.26 | 43.90 | 33.58 | 53.83 | |||||||||||||
2020 | 35.13 | 32.69 | 46.55 | 51.03 | 63.97 | 73.47 | 81.19 | 83.77 | 70.77 | 55.77 | 48.20 | 35.32 | 56.49 | |||||||||||||
2021 | 35.29 | 30.89 | 43.61 | 49.93 | 60.52 | 79.23 | 83.06 | 79.19 | 73.73 | 56.87 | 50.63 | 39.55 | 56.88 | |||||||||||||
2022 | 35.19 | 32.61 | 43.23 | 51.17 | 59.65 | 74.93 | 82.35 | 80.81 | 74.70 | 58.45 | 39.50 | 34.16 | 55.56 | |||||||||||||
2023 | 30.35 | 35.11 | 37.90 | 50.87 | 65.55 | 68.70 | 79.32 | 78.23 | 72.70 | 58.90 | 46.97 | 40.10 | 55.39 | |||||||||||||
2024 | 33.65 | 39.69 | 43.77 | 54.76 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.97 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.26 | 35.94 | 43.47 | 50.99 | 61.54 | 73.02 | 80.45 | 78.77 | 70.69 | 56.96 | 43.43 | 34.29 | 55.53 | |||||||||||||
S.D. | 4.12 | 4.22 | 5.29 | 4.72 | 3.84 | 4.20 | 2.78 | 2.62 | 3.59 | 4.29 | 5.18 | 4.17 | 1.66 | |||||||||||||
SKEW | -0.06 | -0.21 | -0.15 | -0.71 | -0.38 | -0.02 | -0.23 | 0.14 | -0.45 | -0.84 | -0.34 | 0.51 | 0.28 | |||||||||||||
MAX | 43.94 | 45.11 | 54.74 | 60.54 | 67.61 | 81.27 | 86.03 | 84.81 | 76.43 | 65.14 | 54.37 | 48.44 | 59.97 | |||||||||||||
MIN | 22.77 | 23.88 | 31.83 | 38.63 | 52.77 | 64.07 | 73.06 | 73.16 | 61.93 | 42.68 | 28.07 | 24.97 | 51.88 | |||||||||||||
YRS | 47 | 53 | 50 | 47 | 52 | 53 | 55 | 53 | 53 | 53 | 44 | 48 | 27 |