YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1942 | 30.24 | f | 33.32 | 44.45 | 58.57 | 59.06 | 68.10 | 85.39 | 84.94 | 77.23 | 63.52 | 41.93 | 32.58 | 59.01 | a | |||||||||||
1943 | 28.13 | 37.71 | 42.03 | 59.63 | 60.39 | 66.67 | 83.45 | 82.42 | 80.47 | 59.42 | 43.80 | 31.65 | 56.31 | |||||||||||||
1944 | 26.45 | 35.24 | 39.61 | 51.90 | 64.97 | 66.20 | 79.19 | 80.81 | 72.80 | 68.29 | 37.47 | 32.48 | 54.62 | |||||||||||||
1945 | 33.52 | 37.46 | 42.13 | 50.60 | 61.16 | 65.30 | 83.55 | 83.77 | 68.67 | 63.48 | 37.00 | a | 27.00 | a | 54.47 | |||||||||||
1946 | 29.67 | a | 33.61 | 44.48 | 56.73 | 64.29 | 70.43 | 83.39 | 82.48 | 69.73 | 49.52 | 37.50 | 35.06 | 54.74 | ||||||||||||
1947 | 26.19 | 39.71 | 47.29 | 55.00 | 67.77 | 64.83 | 85.16 | 82.84 | 72.60 | 60.29 | 35.90 | 31.35 | 55.75 | |||||||||||||
1948 | 32.23 | 34.28 | 38.26 | 49.67 | 63.10 | 74.10 | 78.84 | 80.39 | 71.87 | 60.81 | 36.83 | 24.74 | 53.76 | |||||||||||||
1949 | 17.71 | 30.64 | 41.77 | 59.87 | 67.19 | 72.17 | 83.55 | 84.23 | 75.40 | 52.42 | 46.97 | 32.87 | 55.40 | |||||||||||||
1950 | 26.16 | 36.07 | 39.55 | 51.40 | 60.23 | 69.77 | 81.55 | 81.74 | 69.10 | 58.61 | 42.17 | 34.68 | 54.25 | |||||||||||||
1951 | 28.45 | 35.54 | 38.00 | 55.17 | 62.39 | 68.03 | 85.74 | 79.19 | 72.83 | 51.35 | 36.47 | 25.68 | 53.24 | |||||||||||||
1952 | 26.16 | 28.90 | 37.55 | 56.90 | 63.81 | 69.90 | 81.71 | 81.61 | 75.37 | 66.26 | 36.33 | 31.80 | a | 54.69 | ||||||||||||
1953 | 38.16 | 36.32 | 43.42 | 49.17 | 57.10 | 66.83 | 84.74 | 80.77 | 76.07 | 62.58 | 46.10 | 30.52 | 55.98 | |||||||||||||
1954 | 32.68 | 36.00 | 39.35 | 52.50 | 68.16 | 67.23 | 84.81 | 77.03 | 72.53 | 58.84 | 48.40 | 28.73 | a | 55.52 | ||||||||||||
1955 | 25.45 | 30.18 | 35.45 | 43.80 | 59.23 | 70.97 | 77.88 | e | 83.52 | 69.73 | 58.66 | b | 35.87 | 33.63 | a | 52.03 | ||||||||||
1956 | 33.10 | 28.14 | 41.06 | 52.86 | a | 61.10 | 68.17 | 81.55 | 76.87 | 72.70 | 53.13 | 35.43 | 31.38 | j | 54.92 | a | ||||||||||
1957 | 23.65 | 36.41 | a | 41.84 | 48.87 | 60.74 | 69.33 | 80.77 | 79.55 | 72.97 | 51.94 | 38.77 | 32.58 | 53.12 | ||||||||||||
1958 | 27.65 | 39.75 | 39.23 | 47.00 | 69.58 | 69.40 | 78.16 | 82.10 | 68.80 | 61.06 | 41.90 | 37.42 | 55.17 | |||||||||||||
1959 | 33.97 | 34.46 | 40.13 | 53.37 | 54.35 | 72.90 | 82.39 | 77.77 | 62.43 | 57.10 | 43.70 | 33.00 | 53.80 | |||||||||||||
1960 | 26.19 | 31.66 | 40.81 | 51.53 | 56.74 | 72.67 | 87.35 | 74.55 | 73.27 | 57.97 | 40.07 | 29.90 | 53.56 | |||||||||||||
1961 | 33.58 | 37.50 | 42.16 | 49.28 | a | 61.00 | 79.60 | 83.71 | 85.16 | 62.97 | 53.81 | 39.20 | 30.48 | 54.87 | ||||||||||||
1962 | 27.26 | 33.54 | 38.94 | 54.93 | 59.00 | 72.40 | 79.73 | a | 79.26 | 74.17 | 56.81 | 43.97 | 35.26 | 54.60 | ||||||||||||
1963 | 27.97 | 46.32 | 44.71 | 49.33 | 63.90 | 68.13 | 80.35 | 81.81 | 75.30 | 61.87 | 41.40 | 30.23 | 55.94 | |||||||||||||
1964 | 29.26 | 31.90 | 37.10 | 48.43 | 61.84 | 66.90 | 83.32 | 77.68 | 67.33 | 61.94 | 39.30 | 31.90 | 53.07 | |||||||||||||
1965 | 31.13 | 37.21 | 39.61 | 52.60 | 60.42 | 70.53 | 81.03 | 76.87 | 62.83 | 63.39 | 44.28 | a | 32.61 | 54.38 | ||||||||||||
1966 | 30.65 | 33.86 | 42.81 | 53.07 | 69.65 | 70.23 | d | 83.87 | 82.65 | 76.77 | 57.55 | 43.33 | 31.65 | 56.34 | ||||||||||||
1967 | 33.52 | 37.29 | 41.42 | 45.13 | 62.42 | 70.13 | 85.61 | 87.90 | 78.10 | 56.52 | 43.30 | 30.00 | 55.94 | |||||||||||||
1968 | 29.52 | 39.03 | 47.23 | 51.40 | 61.23 | 73.40 | 85.87 | 74.10 | 68.70 | 55.55 | 38.20 | 31.39 | 54.63 | |||||||||||||
1969 | 31.71 | 33.86 | 42.30 | a | 55.10 | 68.06 | 70.83 | 81.39 | 85.32 | 73.20 | 51.19 | 44.07 | 34.29 | 55.94 | ||||||||||||
1970 | 32.26 | 40.21 | 40.97 | 46.03 | 63.94 | 73.63 | 83.32 | 86.13 | 65.17 | 52.29 | 40.63 | 28.29 | 54.41 | |||||||||||||
1971 | 31.61 | 35.82 | 38.81 | 50.90 | 65.97 | 68.33 | 81.19 | 86.81 | 66.73 | 55.52 | 39.57 | 29.61 | 54.24 | |||||||||||||
1972 | 28.55 | 36.00 | 47.74 | 50.53 | 66.35 | 73.45 | a | 81.16 | 83.81 | 66.93 | 58.90 | 39.73 | 28.23 | 55.12 | ||||||||||||
1973 | 29.26 | 37.61 | 42.65 | 52.53 | 67.39 | 74.17 | 85.48 | 83.39 | 71.13 | 57.71 | 36.93 | 34.39 | 56.05 | |||||||||||||
1974 | 27.00 | 35.46 | 41.03 | 53.13 | 61.29 | 80.30 | 82.06 | 80.42 | 75.90 | 61.97 | 43.40 | 32.00 | 56.16 | |||||||||||||
1975 | 31.10 | 33.50 | 40.58 | 42.87 | 59.58 | 68.70 | 85.65 | 77.29 | 74.20 | 55.00 | 39.97 | 34.90 | 53.61 | |||||||||||||
1976 | 32.29 | 36.62 | 40.29 | 51.63 | 68.77 | 70.53 | 84.68 | 74.74 | 73.40 | 59.94 | 46.10 | 32.00 | 55.92 | |||||||||||||
1977 | 26.68 | 41.14 | 40.77 | 61.93 | 58.23 | 79.83 | 83.42 | 82.39 | 68.80 | 58.81 | 40.33 | 34.61 | 56.41 | |||||||||||||
1978 | 33.74 | 35.93 | 48.52 | 51.77 | 59.61 | 72.47 | 79.87 | 79.00 | 67.47 | 63.39 | 39.53 | 26.81 | 54.84 | |||||||||||||
1979 | 20.81 | 34.79 | 45.03 | 51.90 | 65.03 | 76.13 | 85.03 | 80.81 | 77.57 | 60.48 | 36.70 | 36.16 | 55.87 | |||||||||||||
1980 | 30.29 | 39.00 | 41.35 | 58.13 | 63.35 | 70.23 | 81.71 | 78.23 | 70.40 | 58.03 | 41.73 | 32.23 | 55.39 | |||||||||||||
1981 | 31.90 | 34.68 | 46.45 | 52.47 | 59.10 | 66.77 | 80.06 | 84.71 | 72.33 | 51.42 | 41.60 | 34.35 | 54.65 | |||||||||||||
1982 | 28.03 | 30.61 | 40.42 | 46.07 | 60.10 | 70.03 | 75.26 | 81.55 | 66.07 | 52.35 | 34.13 | 28.55 | 51.10 | |||||||||||||
1983 | 32.74 | 35.07 | 41.97 | 49.33 | 61.39 | 69.43 | 74.84 | 80.48 | 68.90 | 56.27 | a | 39.83 | 24.16 | 52.87 | ||||||||||||
1984 | 26.00 | 31.72 | 40.52 | 46.47 | 57.29 | 66.80 | 80.32 | 82.00 | 65.23 | 49.81 | 35.83 | 23.84 | 50.49 | |||||||||||||
1985 | 18.71 | 28.21 | 38.32 | 54.10 | 65.29 | 73.10 | 86.52 | 76.71 | 59.83 | 51.16 | 31.23 | 18.94 | 50.18 | |||||||||||||
1986 | 33.03 | 36.54 | 48.61 | 51.77 | 63.19 | 78.33 | 74.90 | 83.52 | 59.67 | 57.84 | 40.40 | 29.77 | 54.80 | |||||||||||||
1987 | 25.84 | 35.71 | 42.55 | 61.57 | 66.90 | 74.07 | 77.65 | 78.35 | 74.83 | 63.65 | 38.63 | 30.52 | 55.86 | |||||||||||||
1988 | 24.55 | 35.86 | 42.16 | 56.10 | 61.00 | 74.93 | 82.68 | 81.68 | 69.80 | 66.52 | 37.37 | 25.32 | 54.83 | |||||||||||||
1989 | 28.23 | 29.36 | 41.06 | 55.07 | 59.65 | 73.07 | 83.10 | 75.06 | 69.80 | 53.48 | 40.07 | 32.81 | 53.40 | |||||||||||||
1990 | 33.06 | 31.86 | 43.71 | 57.27 | 57.84 | 68.90 | 80.74 | 78.16 | 77.83 | 54.06 | 40.67 | 22.45 | 53.88 | |||||||||||||
1991 | 27.00 | 41.25 | 40.65 | 49.67 | 57.58 | 66.60 | 81.97 | 83.55 | 72.37 | 59.10 | b | 36.07 | 29.55 | 53.78 | ||||||||||||
1992 | 27.74 | 40.07 | 51.35 | 56.80 | 69.77 | 74.70 | 75.90 | 83.45 | b | 68.83 | 64.23 | e | 34.03 | a | 27.97 | a | 56.24 | |||||||||
1993 | 26.65 | 31.86 | 43.47 | a | 48.13 | 69.03 | 64.60 | 69.37 | a | 74.13 | 71.43 | b | 59.52 | 40.10 | 31.90 | 52.51 | ||||||||||
1994 | 33.20 | a | 34.36 | 49.50 | a | 55.90 | 65.16 | 71.38 | a | 83.84 | 84.55 | 76.60 | 56.52 | 33.69 | a | 30.87 | 56.30 | |||||||||
1995 | 31.07 | a | 41.86 | 41.68 | 50.80 | 60.58 | 67.28 | a | 78.45 | 78.16 | 74.37 | 55.03 | 44.17 | a | 32.94 | 54.70 | ||||||||||
1996 | 33.10 | 35.68 | d | 44.27 | a | 51.77 | 56.14 | b | 72.24 | a | 83.28 | b | 81.53 | a | 67.48 | a | 56.93 | a | 42.43 | 34.06 | 54.91 | |||||
1997 | 32.68 | 35.73 | b | 45.48 | 49.00 | c | 65.94 | 69.97 | 77.13 | 80.97 | 73.07 | 56.42 | 43.60 | 29.35 | 54.94 | |||||||||||
1998 | 36.48 | 37.43 | 43.10 | a | 51.57 | 59.24 | b | 65.57 | 84.71 | ----- | z | ----- | z | ----- | z | 37.80 | 28.17 | a | 49.34 | c | ||||||
1999 | 30.84 | 32.43 | 40.97 | 46.03 | 57.06 | 65.07 | 75.71 | 82.39 | 71.87 | 62.94 | 48.97 | 32.35 | 53.88 | |||||||||||||
2000 | 33.10 | 39.62 | 45.97 | 57.79 | a | 62.13 | 71.43 | 81.42 | 83.74 | 67.87 | 56.55 | 35.27 | 28.42 | 55.28 | ||||||||||||
2001 | 25.67 | a | 35.68 | 45.94 | 49.18 | b | 62.26 | 68.48 | a | 79.65 | 85.03 | 76.27 | 57.77 | 45.83 | a | 28.80 | a | 55.05 | ||||||||
2002 | 30.97 | 32.93 | 40.29 | 52.10 | 60.55 | 71.59 | a | 85.74 | 76.13 | 72.33 | 57.39 | 42.97 | 34.42 | 54.78 | ||||||||||||
2003 | 36.87 | 37.04 | 44.84 | 51.90 | 60.77 | 61.23 | 83.68 | 83.26 | 72.47 | 63.68 | 36.97 | a | 34.48 | 55.60 | ||||||||||||
2004 | 30.13 | a | 35.79 | 49.19 | 57.43 | 60.30 | a | 72.30 | 81.76 | b | 78.45 | 66.90 | 57.32 | 40.86 | a | 33.68 | 55.34 | |||||||||
2005 | 31.87 | 35.35 | b | 45.23 | 52.10 | a | 61.61 | 66.63 | 81.52 | 81.84 | 70.63 | 59.39 | 38.83 | 30.06 | 54.59 | |||||||||||
2006 | 33.81 | 33.82 | 42.06 | 51.97 | 66.06 | 74.57 | 87.35 | 80.16 | 71.47 | 58.90 | 42.20 | 30.67 | a | 56.09 | ||||||||||||
2007 | 27.53 | a | 37.61 | 49.58 | 55.00 | 66.16 | 73.60 | 88.16 | 82.03 | 69.87 | 55.03 | 44.90 | 30.71 | 56.68 | ||||||||||||
2008 | 27.03 | 36.21 | 40.81 | 47.63 | 61.10 | 69.31 | a | 82.68 | 81.65 | 70.93 | 59.48 | 45.00 | 32.35 | 54.52 | ||||||||||||
2009 | 30.90 | 36.04 | 40.42 | 52.73 | 63.94 | 70.13 | 82.07 | a | 80.13 | 77.90 | 50.10 | 43.63 | 27.71 | 54.64 | ||||||||||||
2010 | 36.19 | 37.75 | 45.87 | 50.17 | 54.26 | 67.00 | 80.35 | 80.77 | 72.40 | 62.32 | 39.90 | 33.19 | 55.02 | |||||||||||||
2011 | 29.48 | 34.67 | a | 41.97 | 46.80 | 57.42 | 67.07 | 80.10 | 83.34 | b | 77.07 | 58.16 | 40.00 | 33.43 | a | 54.13 | ||||||||||
2012 | 35.48 | 35.59 | 43.71 | 56.67 | 60.80 | a | 70.87 | 85.94 | 86.52 | 76.97 | 57.23 | 44.62 | a | 33.35 | 57.31 | |||||||||||
2013 | 25.77 | 37.79 | 45.39 | 53.77 | 65.87 | 73.37 | 87.55 | 84.90 | 71.90 | 56.84 | 42.17 | 28.39 | 56.14 | |||||||||||||
2014 | 32.68 | 37.25 | 44.87 | 53.03 | 63.80 | a | 70.20 | 85.94 | 79.45 | 73.37 | 61.90 | 40.63 | 35.77 | 56.57 | ||||||||||||
2015 | 34.45 | 44.86 | 53.57 | a | 55.30 | 64.68 | 80.47 | 79.77 | 82.65 | 71.79 | a | 63.87 | 39.29 | b | 31.29 | 58.50 | ||||||||||
2016 | 32.68 | 40.82 | a | 45.06 | 59.57 | 63.68 | 74.61 | b | 79.26 | 81.26 | 69.67 | 55.63 | a | 47.80 | 27.26 | 56.44 | ||||||||||
2017 | 26.58 | 38.32 | 46.61 | 50.07 | 63.03 | a | 71.08 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.28 | f | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.81 | 35.78 | 42.87 | 52.35 | 62.36 | 70.65 | 81.96 | 81.12 | 71.37 | 58.04 | 40.48 | 30.87 | 54.81 | |||||||||||||
S.D. | 3.95 | 3.45 | 3.48 | 4.08 | 3.72 | 3.82 | 3.47 | 3.18 | 4.34 | 4.27 | 3.73 | 3.41 | 1.46 | |||||||||||||
SKEW | -0.55 | 0.23 | 0.65 | 0.12 | 0.12 | 0.49 | -0.81 | -0.34 | -0.50 | 0.02 | 0.05 | -0.89 | -0.81 | |||||||||||||
MAX | 38.16 | 46.32 | 53.57 | 61.93 | 69.77 | 80.47 | 88.16 | 87.90 | 80.47 | 68.29 | 48.97 | 37.42 | 58.50 | |||||||||||||
MIN | 17.71 | 28.14 | 35.45 | 42.87 | 54.26 | 61.23 | 69.37 | 74.10 | 59.67 | 49.52 | 31.23 | 18.94 | 50.18 | |||||||||||||
YRS | 75 | 76 | 76 | 76 | 76 | 76 | 75 | 74 | 74 | 74 | 75 | 74 | 72 |