YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.55 | 31.55 | k | |
1962 | 29.77 | 39.00 | 44.30 | a | 63.37 | 62.65 | 77.13 | 85.10 | 80.29 | 76.03 | 56.97 | 43.70 | 37.52 | 57.99 | ||||||||||||
1963 | 26.94 | 43.36 | 49.77 | 55.03 | 68.10 | 75.83 | 81.35 | 84.03 | 79.97 | 61.81 | 44.80 | 30.67 | a | 58.47 | ||||||||||||
1964 | 32.84 | 36.10 | 43.87 | 57.10 | 67.35 | 75.27 | 85.55 | 77.81 | 70.53 | 61.23 | 37.77 | 30.03 | 56.29 | |||||||||||||
1965 | 31.97 | 36.93 | 46.19 | 60.50 | 66.84 | 76.31 | a | 85.84 | 82.83 | a | 69.03 | 64.87 | 44.33 | 34.52 | 58.35 | |||||||||||
1966 | 32.90 | 39.75 | 48.87 | 60.10 | 72.97 | 74.00 | a | 83.13 | 83.13 | 77.70 | 58.63 | a | 45.33 | 37.90 | 59.53 | |||||||||||
1967 | 37.77 | 43.50 | 46.35 | 53.40 | 66.52 | 78.47 | 87.53 | a | 91.77 | a | 81.63 | 58.68 | 43.20 | 32.06 | 60.07 | |||||||||||
1968 | 34.55 | 45.14 | 53.58 | 56.97 | 69.00 | 76.20 | 88.19 | 77.39 | 74.13 | 55.68 | 40.70 | 30.94 | 58.54 | |||||||||||||
1969 | 21.94 | 32.64 | 44.97 | 58.70 | 71.48 | 79.80 | 83.39 | 83.13 | a | 73.43 | 54.97 | 44.63 | 32.87 | a | 56.83 | |||||||||||
1970 | 30.55 | 41.36 | 47.55 | 53.23 | 70.71 | 81.80 | 87.35 | 86.52 | 69.00 | 56.68 | 43.00 | 32.42 | 58.35 | |||||||||||||
1971 | 34.65 | 39.86 | 42.39 | 57.80 | 69.45 | 71.00 | 85.77 | 88.90 | 67.97 | a | 55.87 | 41.97 | 30.19 | 57.15 | ||||||||||||
1972 | 29.23 | 37.21 | 51.68 | 55.13 | 69.19 | 76.33 | 81.94 | 85.23 | 67.83 | 59.93 | a | 43.17 | 30.23 | 57.26 | ||||||||||||
1973 | 32.23 | 40.71 | 51.00 | 60.80 | 71.00 | 76.40 | 87.58 | 83.52 | 72.93 | 57.26 | 37.60 | 37.53 | a | 59.05 | ||||||||||||
1974 | 29.00 | 41.54 | 47.81 | 58.00 | 63.74 | 82.07 | 82.68 | 84.23 | 76.70 | 63.00 | 43.03 | 36.00 | 58.98 | |||||||||||||
1975 | 30.03 | 33.14 | 41.55 | 52.70 | 65.90 | 72.80 | 86.39 | 77.77 | 77.17 | 56.77 | 40.73 | 36.39 | 55.95 | |||||||||||||
1976 | 33.29 | 38.34 | 44.97 | 57.27 | 69.68 | 73.10 | 83.65 | 79.00 | 77.93 | 60.52 | 43.93 | 34.68 | 58.03 | |||||||||||||
1977 | 26.68 | 44.11 | 47.65 | 66.20 | 64.32 | 80.80 | 82.84 | 87.00 | 66.47 | 58.06 | 39.93 | 32.39 | 58.04 | |||||||||||||
1978 | 31.74 | 38.04 | 51.61 | 57.80 | 64.52 | 78.77 | 84.00 | 78.58 | 69.33 | 61.23 | 36.57 | 25.39 | 56.46 | |||||||||||||
1979 | 18.87 | 33.86 | 51.58 | 57.83 | 69.70 | a | 78.40 | 85.52 | 83.71 | 77.17 | 62.03 | 36.87 | 38.58 | 57.84 | ||||||||||||
1980 | 26.10 | 37.34 | 45.23 | ----- | z | 65.77 | a | 71.07 | 83.84 | 78.06 | 73.13 | 60.48 | 42.27 | 38.35 | 56.51 | a | ||||||||||
1981 | 39.03 | 40.00 | 52.61 | 57.10 | 63.23 | 69.30 | 81.42 | 88.27 | a | 75.30 | 57.52 | 46.23 | 33.39 | 58.62 | ||||||||||||
1982 | 29.45 | 37.96 | 48.73 | a | 55.10 | 68.03 | a | 77.50 | 81.68 | 82.81 | 71.97 | 57.06 | 38.33 | 32.10 | 56.73 | |||||||||||
1983 | 39.13 | 43.50 | 51.29 | 57.93 | 69.71 | 72.97 | 78.10 | 86.32 | 70.62 | a | 60.23 | 43.79 | a | 22.68 | 58.02 | |||||||||||
1984 | 32.90 | 39.69 | 50.39 | 54.77 | 63.06 | 71.93 | 85.97 | 85.79 | b | 70.27 | 56.13 | 36.00 | v | 25.71 | 57.87 | a | ||||||||||
1985 | 25.16 | 30.18 | 42.77 | 61.20 | 70.39 | 75.80 | 91.77 | 80.52 | 65.23 | 56.68 | 27.37 | 23.29 | 54.20 | |||||||||||||
1986 | 34.06 | 37.46 | 53.13 | 57.53 | 69.90 | 82.50 | 79.74 | 88.13 | 66.80 | 63.19 | 41.17 | 31.19 | 58.73 | |||||||||||||
1987 | 30.26 | 41.14 | 51.32 | 64.28 | a | 70.90 | a | 79.87 | 81.47 | a | 82.03 | 79.77 | 64.60 | a | 45.33 | 30.70 | a | 60.14 | ||||||||
1988 | 29.40 | a | 41.83 | 49.68 | 61.47 | 68.29 | 74.62 | a | 84.65 | 84.53 | a | 73.97 | a | 66.65 | 42.38 | a | 31.97 | a | 59.12 | |||||||
1989 | 33.67 | a | 30.11 | 45.29 | 61.97 | 66.43 | a | 78.17 | 83.41 | b | 78.48 | b | 76.24 | a | 58.32 | 43.70 | 33.94 | 57.48 | ||||||||
1990 | 37.68 | 37.27 | b | 53.90 | 63.53 | 65.29 | 74.17 | 86.17 | b | 84.23 | 82.50 | 57.61 | 47.17 | 29.42 | 59.91 | |||||||||||
1991 | 30.97 | a | 49.14 | 49.16 | 59.00 | a | 64.31 | b | 69.93 | b | 83.45 | 84.39 | 78.17 | 60.32 | 39.90 | 38.58 | 58.94 | |||||||||
1992 | 37.13 | 47.04 | a | 59.13 | a | 61.13 | 74.23 | 82.03 | a | 81.03 | 83.81 | 72.47 | 62.42 | 39.70 | 28.23 | a | 60.70 | |||||||||
1993 | 26.39 | 30.86 | 45.39 | 56.27 | 72.87 | a | 72.52 | a | 72.29 | 78.00 | b | 74.27 | 63.19 | 40.43 | 34.58 | 55.59 | ||||||||||
1994 | 40.42 | 35.54 | 54.42 | 61.57 | b | 68.68 | 74.87 | 86.93 | a | 84.17 | a | 79.23 | 58.87 | 37.70 | 35.32 | 59.81 | ||||||||||
1995 | 36.57 | a | 45.43 | 50.10 | 57.31 | a | 69.42 | 74.15 | d | 82.47 | a | 78.29 | 77.27 | 56.37 | a | 47.50 | 34.32 | 59.10 | ||||||||
1996 | 30.32 | 36.62 | 47.61 | 58.77 | 61.23 | 74.27 | 86.03 | 83.55 | 70.37 | 56.70 | a | 40.66 | a | 28.76 | b | 56.24 | ||||||||||
1997 | 32.52 | 37.50 | 48.52 | 55.10 | a | 68.39 | 71.27 | 80.81 | 85.41 | b | 75.17 | 59.16 | 46.73 | 35.06 | 57.97 | |||||||||||
1998 | 35.90 | 44.86 | 51.32 | 60.73 | 68.37 | a | 74.00 | 88.07 | a | 87.48 | 80.30 | 60.30 | a | 45.47 | 33.80 | a | 60.88 | |||||||||
1999 | 37.29 | 41.82 | 49.90 | 58.26 | c | 63.67 | a | 71.57 | 80.60 | a | 85.23 | 74.79 | a | 60.03 | 49.28 | a | 36.90 | 59.11 | ||||||||
2000 | 32.63 | a | 40.03 | 49.90 | 62.77 | 65.35 | 74.17 | 81.94 | 82.71 | 70.80 | 59.13 | 35.34 | a | 28.84 | 56.97 | |||||||||||
2001 | 31.39 | 34.11 | 49.61 | 56.87 | 71.03 | 70.77 | 82.55 | 85.55 | 78.37 | 58.58 | 47.80 | 33.45 | 58.34 | |||||||||||||
2002 | 36.74 | 40.61 | 45.00 | 58.10 | 64.42 | 76.23 | 86.93 | a | 81.58 | 74.50 | 59.35 | 47.83 | 39.10 | b | 59.20 | |||||||||||
2003 | 39.63 | a | 43.04 | a | 51.81 | 60.50 | 70.80 | a | 80.18 | b | 89.57 | a | 86.42 | 77.50 | 65.74 | 39.93 | 33.90 | 61.58 | ||||||||
2004 | 30.90 | ----- | z | 56.23 | 64.13 | 66.61 | 77.27 | 85.90 | 84.73 | a | 69.90 | a | 61.26 | 45.13 | 37.58 | 61.79 | a | |||||||||
2005 | 33.42 | 47.39 | 55.06 | 60.67 | 67.19 | 72.80 | 84.55 | 85.87 | 71.40 | 59.39 | 40.27 | 29.81 | 58.98 | |||||||||||||
2006 | 42.00 | a | 41.50 | 48.79 | b | 58.83 | a | 68.70 | a | 75.57 | 87.77 | a | 84.13 | 76.53 | 59.26 | 43.20 | 33.29 | 59.96 | ||||||||
2007 | 31.17 | a | 39.46 | 53.06 | 58.80 | 69.32 | 73.90 | 87.94 | 81.61 | 73.37 | 58.90 | 43.72 | a | 32.87 | a | 58.68 | ||||||||||
2008 | 30.43 | a | 36.72 | 47.32 | 54.67 | 69.45 | 73.60 | 84.23 | 82.81 | 75.73 | 61.40 | a | 46.13 | 27.13 | 57.47 | |||||||||||
2009 | 29.81 | 34.14 | 45.34 | b | 58.53 | 68.71 | 75.60 | 86.90 | 84.74 | 79.50 | 53.97 | 44.40 | 30.55 | 57.68 | ||||||||||||
2010 | 40.90 | b | 45.64 | 53.10 | 59.03 | a | 63.39 | 70.15 | c | 82.90 | 80.97 | b | 72.20 | 61.32 | 40.53 | 34.27 | t | 60.92 | a | |||||||
2011 | 34.97 | 37.61 | 48.32 | 52.33 | 63.84 | 70.30 | 79.71 | 84.45 | 80.23 | 59.23 | 44.23 | 33.58 | 57.40 | |||||||||||||
2012 | 36.68 | 41.07 | 48.74 | 60.63 | 66.19 | ----- | z | ----- | z | 87.07 | b | 78.55 | h | 62.00 | h | 45.07 | a | 37.10 | a | 52.82 | d | |||||
2013 | 28.42 | 39.36 | 48.90 | 59.80 | 68.77 | a | 73.46 | d | 89.84 | 86.87 | 77.03 | 60.03 | 43.07 | 31.45 | 58.92 | |||||||||||
2014 | 34.35 | 33.71 | 51.74 | 59.83 | 71.71 | 76.13 | 91.35 | 87.29 | 77.73 | 64.61 | 43.59 | c | 39.10 | 60.93 | ||||||||||||
2015 | 36.32 | 48.93 | 57.19 | 61.40 | 73.35 | 86.87 | 89.35 | 87.74 | 73.41 | a | 66.03 | 43.40 | 35.06 | 63.26 | ||||||||||||
2016 | 34.97 | 47.79 | 52.52 | b | 67.52 | a | 71.32 | ----- | z | 82.62 | b | 87.03 | 73.43 | 56.45 | 50.90 | 28.32 | 59.35 | a | ||||||||
2017 | 25.68 | 34.18 | 48.71 | 57.41 | a | 72.04 | f | 86.33 | r | 90.50 | e | 88.04 | f | 74.67 | c | 57.29 | 44.25 | b | 31.42 | e | 51.57 | c | ||||
2018 | 39.16 | f | ----- | z | 50.07 | d | 57.67 | c | 73.03 | 74.90 | a | 89.13 | a | 84.32 | 71.60 | 60.46 | c | 44.30 | 36.55 | 64.20 | b | |||||
2019 | 35.55 | 27.57 | 43.35 | 57.80 | 70.32 | 76.97 | 82.58 | 84.84 | 70.00 | 52.81 | 43.37 | 35.84 | 56.75 | |||||||||||||
2020 | 38.26 | 42.10 | 47.81 | 58.97 | 66.23 | 72.57 | 84.94 | 84.52 | 77.40 | 58.77 | ----- | z | ----- | z | 63.16 | b | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.65 | 39.38 | 49.29 | 58.81 | 68.02 | 75.51 | 84.64 | 83.79 | 74.28 | 59.55 | 42.68 | 32.85 | 58.41 | |||||||||||||
S.D. | 4.70 | 4.88 | 3.75 | 3.18 | 3.09 | 3.68 | 3.51 | 3.22 | 4.09 | 3.01 | 3.84 | 3.88 | 1.64 | |||||||||||||
SKEW | -0.37 | -0.12 | 0.16 | 0.30 | -0.15 | 0.67 | -0.49 | -0.30 | -0.16 | 0.34 | -1.08 | -0.47 | 0.23 | |||||||||||||
MAX | 42.00 | 49.14 | 59.13 | 67.52 | 74.23 | 86.87 | 91.77 | 91.77 | 82.50 | 66.65 | 50.90 | 39.10 | 63.26 | |||||||||||||
MIN | 18.87 | 27.57 | 41.55 | 52.33 | 61.23 | 69.30 | 72.29 | 77.39 | 65.23 | 52.81 | 27.37 | 22.68 | 54.20 | |||||||||||||
YRS | 58 | 57 | 59 | 58 | 58 | 56 | 58 | 58 | 58 | 58 | 57 | 58 | 50 |