YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 79.60 | y | 69.68 | 61.43 | 57.23 | 62.78 | i | |||
1930 | 37.42 | 51.64 | 53.03 | 67.66 | a | 68.45 | 84.00 | 83.26 | 82.13 | 76.00 | 64.97 | 48.37 | 39.23 | 63.01 | ||||||||||||
1931 | 39.29 | 45.64 | 53.68 | 63.53 | 72.52 | 82.31 | d | ----- | z | 89.81 | o | 80.50 | 67.10 | 46.07 | 31.71 | 58.23 | b | |||||||||
1932 | 32.52 | 46.14 | 53.71 | 64.83 | a | 70.74 | 82.80 | 87.42 | 86.13 | 79.27 | 63.19 | 57.13 | 34.00 | 63.16 | ||||||||||||
1933 | 33.77 | 36.46 | 56.77 | 57.67 | 68.10 | 84.57 | 85.61 | h | 85.35 | 81.30 | 68.90 | 56.17 | 50.00 | 61.73 | a | |||||||||||
1934 | 47.26 | 53.32 | 63.16 | 68.13 | 78.68 | 81.83 | 90.94 | 87.00 | 77.77 | 71.69 | b | 53.04 | c | ----- | z | 70.26 | a | |||||||||
1935 | 42.58 | 47.11 | 52.39 | 62.70 | 65.52 | 85.40 | 88.38 | e | 84.10 | 77.63 | 67.39 | 51.00 | 43.03 | 63.94 | ||||||||||||
1936 | 42.97 | 45.69 | 55.06 | 66.70 | 80.81 | 87.63 | 88.23 | 84.84 | 75.30 | 66.26 | 53.47 | 44.13 | 65.92 | |||||||||||||
1937 | 29.71 | 43.26 | a | 52.58 | 64.53 | 76.48 | 81.00 | 85.35 | 88.71 | c | 81.80 | 72.58 | 68.17 | 47.11 | d | 65.94 | ||||||||||
1938 | 48.68 | 49.14 | 56.33 | a | 67.83 | 77.03 | a | 85.03 | 87.48 | 89.19 | 76.33 | c | ----- | z | ----- | z | ----- | z | 70.78 | c | ||||||
1939 | ----- | z | ----- | z | ----- | z | 67.47 | 77.52 | 83.52 | a | 88.77 | 88.00 | 83.77 | 73.13 | 60.43 | 55.19 | 75.31 | c | ||||||||
1940 | 43.90 | 47.86 | 63.03 | a | 65.13 | 79.23 | 87.53 | 91.45 | 87.77 | 78.23 | 71.58 | 53.50 | 47.74 | 68.08 | ||||||||||||
1941 | 45.35 | h | 49.25 | 54.13 | 54.53 | 70.29 | 82.86 | b | 86.39 | h | 82.10 | 73.57 | 62.35 | 55.17 | 46.77 | 63.10 | b | |||||||||
1942 | 41.90 | 42.46 | 49.35 | 62.59 | a | 71.74 | 82.83 | 88.81 | 83.68 | 79.10 | 66.48 | 57.67 | 48.42 | 64.59 | ||||||||||||
1943 | 44.10 | 49.38 | g | 56.03 | 69.33 | 73.97 | 84.07 | 88.71 | 85.84 | 80.37 | 72.03 | 58.63 | 42.55 | 68.69 | a | |||||||||||
1944 | 41.58 | 48.86 | 53.00 | 62.10 | j | 70.29 | 78.47 | 85.65 | 86.39 | 81.62 | a | 73.61 | 53.59 | a | 43.61 | 65.15 | a | |||||||||
1945 | 42.16 | 48.04 | 50.68 | 61.73 | 73.10 | 82.37 | 88.32 | 85.94 | 79.43 | 68.23 | 56.82 | b | 34.84 | 64.30 | ||||||||||||
1946 | 37.90 | 48.36 | 57.00 | 70.33 | 71.52 | 86.67 | 87.71 | 83.48 | 79.83 | 65.00 | 51.33 | 51.26 | 65.87 | |||||||||||||
1947 | 39.55 | 55.00 | 60.35 | 65.53 | 77.35 | 82.23 | 91.29 | 83.39 | 83.33 | 70.45 | 46.80 | 40.55 | 66.32 | |||||||||||||
1948 | 46.10 | 43.34 | 47.35 | 67.87 | 77.35 | 82.70 | 88.69 | b | 85.55 | 82.43 | 67.81 | 50.40 | 47.06 | 65.56 | ||||||||||||
1949 | 33.48 | 42.93 | 55.71 | 67.33 | 74.81 | 83.40 | 88.39 | 88.65 | 82.60 | 64.90 | 63.47 | 40.26 | 65.49 | |||||||||||||
1950 | 43.19 | 51.00 | 56.23 | 68.03 | 73.58 | 84.47 | 84.10 | 83.42 | 74.20 | 75.10 | 58.20 | 51.00 | e | 66.88 | ||||||||||||
1951 | 43.00 | 46.68 | 52.68 | 62.07 | 73.55 | 82.50 | 91.13 | 82.65 | 79.50 | 64.45 | 48.00 | 38.61 | 63.73 | |||||||||||||
1952 | 40.81 | 44.28 | 45.65 | 62.97 | 74.55 | 82.97 | 85.77 | 83.74 | 77.03 | 71.77 | 44.66 | a | 39.39 | 62.80 | ||||||||||||
1953 | 46.84 | 47.32 | 56.32 | 63.10 | 67.37 | d | 85.73 | 87.10 | 82.26 | 80.70 | 65.45 | 54.00 | 39.23 | 64.62 | ||||||||||||
1954 | 46.16 | 55.36 | 51.61 | 70.67 | 76.16 | 83.43 | 86.90 | 81.48 | 77.21 | a | 67.29 | 56.93 | 42.10 | 66.28 | ||||||||||||
1955 | 36.84 | 39.04 | a | 54.55 | 61.73 | 71.58 | 80.67 | 85.87 | 82.74 | 79.48 | a | 69.23 | 51.73 | 47.97 | a | 63.45 | ||||||||||
1956 | 48.97 | 40.86 | 52.55 | k | 61.55 | a | 76.29 | 86.47 | 85.45 | 81.94 | 81.86 | b | 66.74 | 47.13 | 42.10 | 65.40 | a | |||||||||
1957 | 40.57 | a | 51.64 | 52.26 | 59.40 | 65.94 | 82.38 | a | 84.45 | 80.58 | 78.10 | 60.81 | 44.87 | 47.68 | 62.39 | |||||||||||
1958 | 42.29 | 50.75 | 47.13 | 60.40 | 78.16 | 84.83 | a | 86.90 | 85.45 | 74.57 | 65.71 | 51.20 | 51.35 | 64.90 | ||||||||||||
1959 | 45.61 | 45.71 | 54.58 | 65.73 | 72.71 | 85.00 | 88.77 | 80.30 | a | 76.37 | 63.74 | 52.03 | 43.52 | 64.51 | ||||||||||||
1960 | 35.39 | 39.38 | 57.39 | 64.77 | 72.68 | 84.47 | 88.10 | 85.35 | 78.77 | 61.45 | 54.17 | 36.23 | 63.18 | |||||||||||||
1961 | 42.00 | 46.21 | 52.61 | 62.70 | 74.10 | 86.43 | 86.65 | 81.00 | 71.80 | 63.32 | 48.17 | 38.29 | 62.77 | |||||||||||||
1962 | 35.45 | 44.04 | a | 48.26 | 68.37 | 72.06 | 82.10 | 85.90 | 86.61 | 75.83 | 65.29 | 56.60 | 46.23 | a | 63.90 | |||||||||||
1963 | 36.10 | 50.00 | 54.29 | 62.23 | 77.68 | 81.47 | 88.71 | 79.23 | 78.00 | 69.23 | 53.80 | 42.94 | 64.47 | |||||||||||||
1964 | 40.26 | 41.76 | 47.65 | 57.93 | 72.90 | 80.50 | 86.90 | 80.19 | 73.70 | 70.90 | 47.80 | 42.90 | 61.95 | |||||||||||||
1965 | 43.90 | 43.36 | 49.77 | a | 61.30 | 68.74 | 77.67 | 84.39 | 85.16 | l | 71.90 | 69.45 | 56.97 | 46.16 | 61.24 | a | ||||||||||
1966 | 40.84 | 41.29 | 56.74 | 65.33 | 78.61 | 83.07 | 87.81 | 83.84 | 77.00 | 66.06 | 58.57 | 42.00 | 65.10 | |||||||||||||
1967 | 41.10 | 50.79 | 60.13 | 61.07 | 71.21 | l | 78.63 | 86.29 | 81.58 | 75.10 | 67.55 | 57.43 | 34.19 | 63.08 | a | |||||||||||
1968 | 38.03 | 48.90 | 54.19 | 58.27 | 72.13 | 83.67 | 85.26 | 78.06 | 76.30 | 66.35 | 50.70 | 39.61 | 62.62 | |||||||||||||
1969 | 44.39 | 43.18 | 48.10 | 64.30 | 75.48 | 80.18 | b | ----- | z | 83.95 | l | 81.40 | 62.93 | a | 51.80 | 47.58 | 59.93 | b | ||||||||
1970 | 42.81 | 53.11 | 49.70 | a | 56.83 | 73.83 | a | 83.10 | a | 88.33 | a | 88.17 | a | 75.70 | 62.47 | a | 56.70 | 45.26 | 64.67 | |||||||
1971 | 45.87 | 47.57 | 55.94 | 62.63 | 70.65 | 85.03 | 91.48 | 85.42 | 78.13 | 60.19 | 51.52 | a | 37.94 | 64.36 | ||||||||||||
1972 | 44.94 | 53.31 | 64.71 | 66.07 | 75.55 | 82.47 | 91.68 | 85.94 | 79.57 | 64.68 | 44.80 | 39.87 | 66.13 | |||||||||||||
1973 | 37.45 | 41.64 | 45.19 | 57.76 | a | 71.42 | 82.37 | 88.48 | 87.29 | 78.17 | 70.87 | 55.10 | 46.13 | 63.49 | ||||||||||||
1974 | 39.21 | b | 43.25 | 59.03 | 62.70 | 77.15 | k | 87.66 | a | 79.52 | 78.45 | 72.60 | 63.71 | 52.60 | 41.35 | 61.83 | a | |||||||||
1975 | 39.90 | 43.11 | 49.52 | 56.17 | 68.50 | a | 81.63 | 86.35 | 85.10 | 77.24 | a | 69.48 | b | 53.93 | 40.70 | a | 62.64 | |||||||||
1976 | 42.23 | 50.79 | 52.47 | a | 62.70 | 72.74 | 83.73 | 87.13 | a | 84.23 | 77.10 | 63.94 | 56.35 | d | 47.19 | 65.05 | ||||||||||
1977 | 37.48 | 50.29 | 50.29 | 64.47 | 70.26 | 86.20 | 87.26 | 86.42 | 79.13 | ----- | z | ----- | z | 50.04 | h | 67.98 | c | |||||||||
1978 | 43.00 | j | 47.11 | j | 56.39 | h | 66.15 | j | 70.45 | i | 85.36 | h | 89.50 | k | 86.39 | h | 77.35 | j | 71.00 | j | 51.14 | b | 37.57 | a | 44.35 | j |
1979 | 34.52 | 42.54 | 49.87 | 62.36 | b | 68.58 | 80.69 | a | 88.83 | g | 84.22 | h | 85.45 | j | 72.86 | i | 47.95 | j | 49.90 | k | 56.43 | f | ||||
1980 | 40.45 | i | 50.74 | j | 52.24 | j | 61.14 | h | 69.94 | m | 86.06 | m | 89.58 | l | 86.47 | p | 79.94 | l | 66.00 | m | 56.11 | l | 54.55 | i | ----- | z |
1981 | 50.19 | j | 52.72 | j | 53.82 | i | 68.90 | i | 74.00 | q | 86.42 | k | 87.88 | o | 87.15 | k | 78.10 | 63.97 | 58.03 | 46.52 | 61.65 | h | ||||
1982 | 38.29 | 42.29 | 51.40 | a | 62.67 | 68.55 | 81.17 | 86.48 | 84.35 | 78.10 | 65.79 | b | 50.50 | d | 47.13 | a | 63.06 | |||||||||
1983 | 47.81 | 45.59 | a | 49.84 | 53.80 | 67.84 | 77.63 | 84.31 | b | 82.32 | 79.89 | b | 64.67 | a | 50.07 | 42.45 | 62.19 | |||||||||
1984 | 41.06 | 46.10 | 53.61 | 56.97 | 77.07 | c | 79.90 | 85.20 | a | 81.24 | b | 76.43 | b | 55.89 | d | 52.39 | b | ----- | z | 64.17 | a | |||||
1985 | 38.77 | 40.40 | c | 50.33 | a | 62.33 | c | 70.24 | f | 83.54 | f | 86.50 | a | 84.77 | a | 72.92 | d | 65.46 | c | 46.68 | h | 44.58 | e | 60.67 | c | |
1986 | 51.91 | h | 50.47 | i | 55.95 | j | 62.50 | h | 72.43 | j | 82.19 | i | 86.50 | i | 86.81 | j | 73.71 | i | 66.18 | i | 55.22 | l | 46.41 | i | ----- | z |
1987 | 41.14 | i | 45.44 | j | ----- | z | 68.36 | h | 72.10 | k | 86.00 | h | 88.04 | h | 82.48 | j | 79.90 | j | 70.14 | j | 53.84 | k | 39.75 | g | ----- | z |
1988 | ----- | z | 47.67 | k | 54.78 | h | 63.60 | j | 71.95 | j | 83.33 | i | 88.53 | l | 84.43 | h | 76.48 | i | 75.26 | l | 55.95 | j | 40.59 | i | ----- | z |
1989 | 39.19 | j | 46.17 | j | 62.95 | i | 71.25 | j | 77.81 | j | 84.87 | g | 90.40 | k | 84.57 | h | 81.00 | i | 68.00 | j | 55.08 | f | 47.61 | h | ----- | z |
1990 | 43.87 | h | 45.64 | f | 54.00 | k | 66.66 | a | 72.87 | 88.52 | i | 86.23 | i | 84.41 | i | 80.00 | k | 66.91 | i | 52.38 | a | 36.00 | 56.98 | h | ||
1991 | 37.36 | f | 50.48 | a | 49.33 | a | 62.59 | a | 71.77 | 79.33 | 87.45 | 86.35 | 78.57 | 70.65 | 50.41 | a | 35.42 | 65.67 | a | |||||||
1992 | 33.00 | 45.31 | 54.00 | 68.13 | 71.63 | a | 80.50 | 84.52 | b | 83.23 | a | 80.17 | 70.55 | 47.07 | 35.20 | a | 62.78 | |||||||||
1993 | 43.10 | 45.68 | 57.37 | a | 64.17 | 73.23 | 82.50 | 87.39 | 83.68 | 79.23 | 66.81 | 49.73 | 45.42 | 64.86 | ||||||||||||
1994 | 46.63 | a | 46.79 | 59.74 | 63.57 | 72.23 | 88.77 | 90.97 | 88.19 | 79.27 | 66.58 | 52.07 | b | 46.61 | 66.78 | |||||||||||
1995 | 41.81 | 55.43 | 56.80 | a | 61.20 | 67.26 | 83.03 | 89.97 | 89.26 | 81.93 | 70.00 | 60.41 | h | 49.71 | j | 69.67 | b | |||||||||
1996 | 47.57 | h | 55.65 | i | 57.37 | l | 69.64 | h | 81.53 | n | 86.50 | l | 89.74 | l | 88.41 | n | 76.40 | t | 65.20 | k | 56.71 | m | 45.48 | j | ----- | z |
1997 | 36.40 | k | 47.78 | j | 62.50 | k | 63.05 | j | 77.12 | o | 84.24 | m | 87.27 | i | 85.76 | j | 79.62 | i | 67.91 | i | 57.17 | l | 40.67 | j | ----- | z |
1998 | 44.20 | k | 43.42 | i | 53.80 | k | 59.53 | k | 72.95 | l | 81.55 | h | 88.82 | i | 86.53 | l | 82.81 | i | 67.14 | j | 57.53 | m | 47.91 | i | ----- | z |
1999 | 51.79 | l | 54.11 | i | 63.36 | i | 66.00 | n | 68.14 | q | 83.50 | j | 85.52 | j | 81.52 | j | 76.60 | j | 73.12 | o | 64.21 | k | 45.90 | k | ----- | z |
2000 | 52.65 | n | 55.00 | j | 53.04 | h | 68.94 | l | 81.56 | m | 87.94 | m | 90.36 | q | 88.37 | l | 82.00 | o | 67.05 | l | 48.06 | m | 49.32 | l | ----- | z |
2001 | 41.38 | j | 47.53 | k | 58.62 | j | 67.68 | k | 79.74 | l | 87.27 | o | 87.28 | m | 83.72 | m | 85.47 | o | 73.18 | n | 56.16 | k | 44.55 | k | ----- | z |
2002 | 45.68 | i | 50.42 | i | 58.05 | j | 71.78 | l | 77.06 | m | 87.73 | o | 92.28 | m | 90.53 | n | 80.06 | m | 65.53 | l | 54.47 | k | 43.25 | k | ----- | z |
2003 | 51.81 | j | 47.05 | i | 55.21 | l | 64.00 | l | 76.81 | o | 86.65 | m | 94.39 | m | 89.31 | o | 81.44 | l | 74.28 | m | 53.39 | l | 46.62 | j | ----- | z |
2004 | 42.05 | k | 45.50 | k | 64.32 | i | 65.44 | l | 74.60 | p | 85.84 | k | 89.24 | n | 84.37 | l | 78.83 | l | 67.50 | m | 52.25 | j | 45.40 | k | ----- | z |
2005 | 47.94 | o | 46.61 | j | 53.24 | j | 65.25 | j | 74.75 | k | 84.32 | k | 96.00 | q | 89.16 | l | 80.73 | o | 70.11 | m | 59.89 | l | 49.32 | l | ----- | z |
2006 | 48.68 | l | 53.32 | i | 56.63 | l | 68.00 | o | 80.40 | p | 89.88 | m | 92.21 | q | 83.71 | n | 75.80 | o | 64.57 | q | 59.68 | k | 47.53 | n | ----- | z |
2007 | 39.36 | i | 48.79 | i | 62.25 | k | 65.81 | n | 74.26 | l | 86.50 | n | 88.70 | h | 91.50 | o | ----- | z | 71.11 | v | 60.12 | n | 41.69 | b | 41.69 | k |
2008 | 42.48 | 48.81 | c | 58.79 | c | 66.04 | d | 73.73 | a | 86.17 | a | 87.73 | a | 86.54 | c | 81.79 | a | 72.00 | 60.48 | e | 44.35 | e | 67.41 | |||
2009 | 44.23 | 49.52 | a | 57.45 | 63.11 | b | 76.58 | 82.39 | l | 91.57 | h | 87.41 | d | 80.00 | h | 65.54 | g | 57.60 | 38.14 | b | 59.25 | d | ||||
2010 | 38.28 | m | 41.32 | 53.87 | 64.00 | 71.68 | 85.57 | 89.19 | 84.45 | 83.33 | 68.52 | 52.70 | 49.68 | 67.66 | a | |||||||||||
2011 | 40.13 | 43.93 | a | 59.26 | 64.67 | 69.81 | 86.40 | 89.48 | 90.19 | 80.23 | 66.65 | 52.20 | 41.16 | 65.34 | ||||||||||||
2012 | 47.92 | f | 48.55 | 58.97 | 68.37 | 77.42 | 89.20 | 87.55 | 88.06 | 81.10 | 70.52 | 59.53 | 42.84 | 70.19 | a | |||||||||||
2013 | 35.65 | 43.38 | b | 58.93 | a | 64.73 | 73.74 | 89.47 | 88.29 | 83.32 | 78.57 | 62.87 | 53.30 | 40.55 | 64.40 | |||||||||||
2014 | 49.55 | 54.39 | 56.38 | g | 64.00 | 72.52 | 85.76 | e | 89.32 | 80.26 | l | 80.40 | 70.58 | 56.43 | 51.86 | x | 69.22 | c | ||||||||
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.14 | h | 85.55 | 85.94 | 82.59 | c | 73.85 | e | 54.70 | c | 46.44 | d | 71.51 | f | ||
2016 | 42.47 | a | 56.54 | a | 63.08 | f | 64.54 | b | 70.90 | 87.77 | q | 89.75 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.84 | g | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.08 | 46.81 | 54.03 | 63.49 | 72.97 | 83.43 | 87.46 | 84.57 | 78.45 | 67.20 | 53.53 | 43.19 | 64.50 | |||||||||||||
S.D. | 4.41 | 4.51 | 4.36 | 3.71 | 3.51 | 2.71 | 2.27 | 2.81 | 2.91 | 3.79 | 4.65 | 5.22 | 1.52 | |||||||||||||
SKEW | -0.31 | 0.15 | 0.18 | -0.47 | 0.03 | 0.07 | -0.49 | -0.22 | -0.37 | -0.22 | 0.35 | 0.15 | 0.31 | |||||||||||||
MAX | 49.55 | 56.54 | 64.71 | 70.67 | 80.81 | 89.47 | 91.68 | 90.19 | 83.77 | 75.10 | 68.17 | 57.23 | 68.08 | |||||||||||||
MIN | 29.71 | 36.46 | 45.19 | 53.80 | 65.52 | 77.63 | 79.52 | 78.06 | 71.80 | 55.89 | 44.66 | 31.71 | 61.95 | |||||||||||||
YRS | 61 | 64 | 62 | 66 | 64 | 63 | 61 | 61 | 65 | 64 | 65 | 64 | 42 |