YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1966 | ----- | z | ----- | z | ----- | z | 54.60 | 67.90 | 71.77 | 81.13 | 78.84 | 71.83 | 55.97 | 46.60 | 31.84 | 62.28 | c | |||||||||
1967 | 35.55 | 37.00 | 44.77 | 50.13 | 59.42 | 66.23 | 79.26 | 81.52 | 72.50 | 61.16 | 46.20 | 27.29 | 55.09 | |||||||||||||
1968 | 33.71 | 37.07 | 46.90 | 46.60 | 59.94 | 71.21 | a | 79.90 | 72.13 | 67.70 | 58.74 | 40.69 | a | 30.32 | 53.74 | |||||||||||
1969 | 36.19 | 29.21 | 33.97 | 54.00 | 70.87 | 66.10 | 81.19 | 82.06 | 73.03 | 48.13 | 46.50 | 36.37 | a | 54.80 | ||||||||||||
1970 | 32.65 | 42.11 | 38.45 | 45.47 | 63.19 | 71.17 | 78.87 | 82.10 | 66.53 | 51.77 | 41.33 | 30.42 | 53.67 | |||||||||||||
1971 | 33.68 | 34.50 | 40.52 | 52.60 | 61.71 | 72.17 | 78.81 | 81.60 | a | 67.07 | 52.94 | 36.23 | 26.45 | 53.19 | ||||||||||||
1972 | 29.26 | 36.00 | 48.84 | 52.53 | 64.71 | 71.47 | 78.74 | 78.81 | 68.17 | 55.16 | 36.03 | 27.65 | 53.95 | |||||||||||||
1973 | 25.33 | a | 29.00 | 35.93 | a | 44.27 | 63.97 | 71.80 | 77.23 | 78.32 | 67.24 | a | 60.06 | 39.33 | 35.90 | 52.37 | ||||||||||
1974 | 29.16 | 33.54 | 46.42 | 50.53 | 65.29 | 77.00 | 80.33 | a | 78.97 | 72.30 | 60.13 | 44.37 | 33.00 | 55.92 | ||||||||||||
1975 | 32.87 | 33.93 | 41.90 | 44.70 | 58.81 | 66.77 | 78.87 | 76.19 | 70.33 | 57.61 | 42.03 | 38.87 | 53.57 | |||||||||||||
1976 | 35.58 | 38.93 | 40.68 | 53.97 | 66.65 | 71.40 | 81.58 | 77.29 | 72.00 | c | 60.40 | a | 49.63 | 42.42 | 57.54 | |||||||||||
1977 | 35.90 | 43.18 | 41.23 | 59.07 | 61.13 | 79.07 | 80.68 | 77.13 | 72.10 | 62.61 | 45.21 | b | 38.50 | a | 57.98 | |||||||||||
1978 | 34.13 | 35.48 | a | 45.90 | 53.60 | 60.81 | 72.97 | 81.94 | 78.13 | a | 69.80 | 64.52 | 38.57 | 25.77 | 55.13 | |||||||||||
1979 | 21.52 | 33.93 | a | 42.84 | 53.73 | 63.81 | 74.57 | 82.16 | 77.45 | 76.83 | 63.13 | 37.80 | 40.29 | 55.67 | ||||||||||||
1980 | 33.00 | 38.69 | 38.42 | 53.67 | 60.10 | 75.00 | 81.00 | a | 78.65 | 72.33 | 59.19 | 45.80 | 44.65 | 56.71 | ||||||||||||
1981 | 39.03 | 43.00 | 47.10 | 59.60 | 60.13 | 75.17 | 81.71 | 81.61 | 74.30 | 54.81 | 47.60 | 38.58 | 58.55 | |||||||||||||
1982 | 32.58 | 36.57 | 43.42 | 48.93 | 61.43 | a | 71.36 | b | 77.68 | 81.77 | a | 65.64 | b | 53.90 | b | 38.40 | 32.17 | a | 53.65 | |||||||
1983 | 38.07 | a | 36.82 | 41.90 | 44.55 | a | 57.81 | 69.14 | a | 79.42 | g | 79.39 | 71.21 | b | 60.70 | a | 40.67 | 27.77 | a | 51.64 | a | |||||
1984 | 31.87 | 33.07 | a | 39.39 | 46.83 | a | 63.90 | b | 70.24 | a | 77.81 | 74.81 | 66.74 | c | 48.52 | b | 37.93 | a | 26.58 | 51.47 | ||||||
1985 | 26.29 | 29.29 | 37.27 | a | 55.27 | 65.59 | b | 75.34 | a | 78.56 | d | 80.67 | a | 66.43 | b | 58.50 | a | 38.03 | 34.81 | 53.84 | ||||||
1986 | 38.09 | h | 50.00 | q | 53.00 | 54.43 | b | 63.21 | b | 77.97 | 78.06 | 79.90 | 61.89 | c | 54.69 | b | 42.97 | a | 36.52 | 60.26 | b | |||||
1987 | 30.26 | d | 30.42 | p | 41.74 | 57.76 | a | 64.10 | 76.21 | a | 77.03 | 76.13 | 73.57 | 63.77 | ----- | z | 30.60 | a | 59.12 | b | ||||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | 65.48 | 80.43 | 86.00 | 82.33 | d | 68.00 | d | 67.47 | l | 41.03 | 30.90 | 64.88 | e | |||||
1989 | 33.94 | 25.14 | 48.08 | f | 60.63 | 65.94 | 71.80 | 85.13 | 79.13 | h | 72.13 | 65.88 | n | 47.00 | 36.61 | 55.37 | c | |||||||||
1990 | 36.52 | 35.00 | 48.35 | 58.90 | 62.84 | 76.10 | 81.03 | 79.74 | 74.17 | 60.16 | 44.40 | 28.19 | 57.12 | |||||||||||||
1991 | 31.03 | 43.54 | 44.26 | 50.36 | b | 61.29 | 73.82 | b | 79.84 | 79.10 | 73.00 | q | 59.55 | b | 39.83 | 30.66 | b | 53.93 | a | |||||||
1992 | 30.87 | 39.52 | 50.52 | 62.07 | 69.06 | 74.67 | 78.87 | 81.26 | 72.57 | 61.45 | 34.83 | 27.06 | 56.90 | |||||||||||||
1993 | 21.42 | 20.93 | 44.26 | 51.83 | 66.19 | 69.93 | 74.97 | 75.35 | 70.17 | 55.23 | 38.30 | 33.29 | 51.82 | |||||||||||||
1994 | 36.68 | 34.00 | 49.55 | 56.59 | a | 68.90 | a | 78.13 | 82.94 | 83.00 | a | 74.17 | a | 55.27 | a | 36.43 | 34.65 | 57.52 | ||||||||
1995 | 30.40 | a | 42.43 | 46.48 | 52.57 | 57.03 | a | 70.63 | 78.87 | 81.81 | 71.07 | 58.87 | 49.77 | 38.71 | 56.55 | |||||||||||
1996 | 33.34 | b | 37.24 | 43.94 | 54.40 | 64.06 | 77.40 | 82.35 | 81.61 | 68.60 | 56.39 | 45.07 | 35.39 | 56.65 | ||||||||||||
1997 | 31.94 | 30.89 | 47.30 | a | 48.83 | 67.19 | 75.59 | a | 79.35 | 79.23 | 71.23 | 57.74 | 40.90 | 29.84 | 55.00 | |||||||||||
1998 | 36.06 | 33.60 | c | 42.71 | 49.88 | f | 64.06 | 66.72 | a | 82.52 | 80.90 | 73.77 | 56.13 | 45.38 | a | 35.52 | 56.12 | a | ||||||||
1999 | 36.35 | 37.32 | 48.48 | 49.27 | 61.65 | 71.07 | 80.19 | 78.68 | 68.90 | 64.90 | 52.73 | 35.10 | 57.05 | |||||||||||||
2000 | 34.65 | 41.07 | 45.60 | a | 60.00 | a | 66.71 | 75.53 | 83.70 | a | 81.27 | a | 68.24 | a | 56.00 | 31.60 | 34.58 | 56.58 | ||||||||
2001 | 31.00 | 30.93 | 43.58 | 53.97 | 67.10 | 75.38 | a | 80.68 | 81.97 | 75.77 | 60.29 | 44.17 | 28.84 | 56.14 | ||||||||||||
2002 | 31.35 | 36.18 | 40.35 | 56.27 | 66.00 | a | 77.53 | 84.19 | 79.16 | 70.73 | 53.42 | 41.33 | 35.87 | 56.03 | ||||||||||||
2003 | 42.26 | 33.18 | 44.39 | 56.53 | 65.68 | 72.21 | a | 85.19 | 81.23 | a | 71.20 | 65.42 | 32.52 | a | 34.23 | 57.00 | ||||||||||
2004 | 28.83 | a | 28.07 | a | 49.90 | 55.79 | a | 64.20 | a | 73.59 | a | 78.58 | 75.39 | 68.80 | 55.93 | a | 40.07 | 36.71 | 54.66 | |||||||
2005 | 36.26 | 36.21 | 43.42 | 56.00 | 63.90 | 69.28 | a | 83.35 | 77.87 | 71.07 | 60.48 | 46.10 | 33.81 | 56.48 | ||||||||||||
2006 | 36.30 | a | 36.92 | b | 41.69 | b | 59.87 | 67.16 | 77.53 | 84.00 | 78.65 | 66.33 | 54.40 | a | 43.23 | 32.63 | a | 56.56 | ||||||||
2007 | 27.77 | a | 37.68 | 50.42 | 57.57 | 66.61 | 78.47 | 85.83 | b | 82.31 | b | 71.20 | 60.48 | b | 49.00 | a | 29.77 | a | 58.09 | |||||||
2008 | 24.77 | 32.93 | a | 38.00 | a | ----- | z | 62.16 | 71.41 | a | 82.80 | a | 80.67 | a | 70.33 | 59.13 | 47.83 | 34.29 | 54.94 | a | ||||||
2009 | 37.63 | a | 37.56 | a | 43.20 | a | 51.73 | 66.13 | a | 67.45 | a | 80.00 | 78.42 | 74.52 | c | 52.00 | d | 47.89 | b | 27.33 | a | 55.32 | ||||
2010 | 35.82 | c | 34.29 | 46.46 | c | 51.24 | a | 58.32 | c | 72.64 | e | 81.24 | b | 79.00 | 75.62 | a | 59.77 | 39.80 | 33.39 | 55.63 | ||||||
2011 | 32.71 | 32.43 | 41.47 | a | 47.62 | a | 56.93 | a | 72.17 | a | 79.96 | g | 81.65 | 72.70 | 59.39 | 37.77 | 32.10 | 51.54 | a | |||||||
2012 | 38.71 | 32.90 | 51.68 | 62.03 | 66.94 | 78.73 | 82.39 | 82.26 | 73.46 | b | 59.10 | 48.28 | a | 34.56 | m | 61.50 | a | |||||||||
2013 | 30.33 | a | 33.56 | a | 44.44 | d | 50.50 | 64.81 | 78.77 | 83.23 | 79.70 | a | 69.00 | 55.42 | 44.67 | 30.71 | 55.43 | |||||||||
2014 | 38.32 | 36.29 | 47.90 | 55.10 | 65.48 | 73.23 | 82.45 | 74.75 | c | 72.83 | 62.47 | n | ----- | z | ----- | z | 60.71 | c | ||||||||
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.05 | j | 48.60 | 29.19 | j | 48.60 | k | |
2017 | 31.15 | r | ----- | z | ----- | z | 52.03 | 64.16 | 78.17 | ----- | z | 81.00 | i | 69.20 | 57.53 | a | 48.20 | 42.39 | 58.81 | e | ||||||
2018 | 39.65 | ----- | z | 48.09 | t | 54.00 | g | 69.69 | r | 78.15 | d | 82.84 | 79.35 | 75.50 | 54.21 | c | 42.93 | 28.36 | c | 60.12 | d | |||||
2019 | 31.07 | b | 30.26 | a | 32.59 | b | 51.97 | 58.00 | a | 70.43 | 80.39 | 79.68 | 69.90 | 52.89 | c | 46.31 | d | 27.32 | 52.57 | |||||||
2020 | 31.71 | 31.70 | b | 43.84 | 54.40 | 65.13 | a | 71.27 | 80.52 | 84.10 | 70.20 | 61.40 | a | 46.41 | a | 36.19 | 56.41 | |||||||||
2021 | 34.16 | 32.64 | 40.16 | 52.80 | 66.00 | a | 79.77 | 82.77 | 77.68 | 73.69 | a | 56.06 | 50.77 | 38.32 | 57.07 | |||||||||||
2022 | 35.81 | 33.29 | 45.03 | 52.57 | 61.48 | 72.77 | 83.48 | 79.32 | 74.57 | 59.20 | a | 36.40 | 28.81 | 55.23 | ||||||||||||
2023 | 24.52 | 25.43 | 29.13 | 43.03 | 64.72 | b | 67.67 | 81.16 | 76.68 | 69.13 | 57.81 | d | 45.23 | 37.77 | 51.86 | |||||||||||
2024 | 34.00 | 34.66 | 41.26 | 52.84 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.64 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.88 | 34.69 | 43.48 | 53.14 | 63.74 | 73.44 | 81.01 | 79.40 | 70.88 | 57.78 | 42.85 | 33.26 | 55.39 | |||||||||||||
S.D. | 4.44 | 4.65 | 4.82 | 4.68 | 3.22 | 3.77 | 2.40 | 2.44 | 3.02 | 3.84 | 4.86 | 4.58 | 1.83 | |||||||||||||
SKEW | -0.62 | -0.38 | -0.55 | -0.18 | -0.33 | -0.07 | -0.00 | -0.60 | -0.39 | -0.28 | -0.24 | 0.31 | -0.47 | |||||||||||||
MAX | 42.26 | 43.54 | 53.00 | 62.07 | 70.87 | 80.43 | 86.00 | 84.10 | 76.83 | 65.42 | 52.73 | 44.65 | 58.55 | |||||||||||||
MIN | 21.42 | 20.93 | 29.13 | 43.03 | 56.93 | 66.10 | 74.97 | 72.13 | 61.89 | 48.13 | 31.60 | 25.77 | 51.47 | |||||||||||||
YRS | 53 | 51 | 52 | 52 | 55 | 56 | 53 | 54 | 55 | 53 | 55 | 54 | 42 |