YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.43 | 57.97 | 42.80 | 36.26 | 50.86 | h | ||||
1932 | 34.16 | 41.66 | 49.06 | 54.73 | 62.26 | 71.60 | 76.84 | 77.77 | 72.73 | 57.90 | 50.07 | 34.10 | 56.91 | |||||||||||||
1933 | 35.81 | 32.04 | 47.81 | 50.63 | 56.74 | 71.13 | 80.10 | 76.32 | 72.17 | 62.74 | 48.67 | 39.90 | 56.17 | |||||||||||||
1934 | 41.26 | 46.25 | 55.03 | 60.90 | 67.23 | 68.03 | 78.71 | 75.58 | 69.41 | a | 63.13 | 52.90 | 40.16 | 59.88 | ||||||||||||
1935 | 38.68 | 44.64 | 44.23 | 54.43 | 59.84 | 74.50 | 76.83 | a | 76.35 | 70.43 | 58.33 | a | 43.90 | 40.87 | 56.92 | |||||||||||
1936 | 39.68 | 40.86 | 50.00 | 58.20 | 65.84 | 74.13 | 78.29 | 76.10 | a | 68.57 | 58.40 | a | 48.80 | 39.06 | 58.16 | |||||||||||
1937 | 25.32 | 38.86 | 45.32 | 52.83 | 65.26 | 71.73 | 78.23 | a | 78.81 | 72.77 | 61.65 | 49.53 | 43.84 | 57.01 | ||||||||||||
1938 | 41.81 | 41.18 | 44.06 | 54.57 | 60.84 | 72.10 | 77.81 | 76.35 | 72.40 | 56.74 | 42.03 | 42.19 | 56.84 | |||||||||||||
1939 | 38.63 | a | 34.32 | 47.23 | 56.69 | a | 63.90 | 70.87 | 77.58 | 77.19 | 67.00 | a | 56.13 | 49.40 | 44.03 | 56.91 | ||||||||||
1940 | 41.53 | a | 43.07 | 50.87 | a | 56.17 | 67.26 | 76.00 | 77.94 | 78.61 | 66.10 | a | 59.39 | 44.97 | 41.87 | 58.65 | ||||||||||
1941 | 41.29 | 46.04 | 46.81 | 49.10 | 62.58 | 67.90 | 76.23 | 72.29 | 63.77 | 53.23 | a | 46.77 | 40.45 | 55.54 | ||||||||||||
1942 | 40.58 | 39.07 | 45.52 | 54.13 | 59.19 | 69.67 | 78.58 | 75.47 | a | 68.30 | 59.55 | 48.17 | a | 42.71 | 56.74 | |||||||||||
1943 | 40.72 | b | 44.46 | 49.74 | 56.77 | 64.52 | 67.77 | 77.13 | 74.74 | 71.63 | 58.32 | 47.20 | 41.84 | 57.90 | ||||||||||||
1944 | 38.06 | 37.90 | 45.03 | a | 51.10 | 60.65 | 64.27 | 74.45 | 75.77 | 69.30 | 60.35 | 46.33 | 41.83 | b | 55.42 | |||||||||||
1945 | 39.29 | 43.54 | 43.39 | 52.52 | a | 62.45 | 69.37 | 77.65 | 73.61 | c | 70.93 | 59.84 | 45.69 | a | 38.65 | 56.41 | ||||||||||
1946 | 38.87 | 40.61 | 47.40 | a | 58.57 | 62.35 | 72.80 | 76.03 | 75.87 | 69.83 | 53.26 | 43.43 | 43.42 | 56.87 | ||||||||||||
1947 | 37.00 | 46.57 | 50.39 | 55.93 | 66.77 | 69.03 | 76.45 | 73.61 | 72.80 | 59.19 | 43.43 | 38.42 | 57.47 | |||||||||||||
1948 | 39.39 | 38.83 | 41.74 | 52.73 | 60.52 | 69.20 | 75.55 | 74.90 | 69.20 | 59.45 | 42.97 | 35.94 | 55.03 | |||||||||||||
1949 | 27.81 | 34.00 | 44.13 | 57.90 | 59.61 | 70.87 | 76.68 | 73.48 | 71.77 | 56.23 | 51.97 | 37.81 | 55.19 | |||||||||||||
1950 | 34.61 | 44.82 | 48.35 | 56.93 | 61.61 | 68.47 | 75.32 | 74.55 | 66.43 | 61.58 | 49.83 | 45.45 | 57.33 | |||||||||||||
1951 | 38.03 | a | 40.18 | 45.32 | 53.40 | 60.61 | 68.70 | 76.10 | 72.67 | a | 69.80 | 55.97 | 43.63 | 36.68 | 55.09 | |||||||||||
1952 | 35.48 | 40.90 | 40.39 | 54.00 | 63.84 | 65.07 | 74.68 | 76.74 | 68.37 | 61.52 | 42.52 | a | 38.45 | 55.16 | ||||||||||||
1953 | 42.17 | a | 40.86 | 47.61 | ----- | z | 54.42 | 67.40 | 76.81 | 73.16 | 70.27 | 55.84 | 48.53 | 40.00 | 56.10 | a | ||||||||||
1954 | 39.29 | 47.54 | 43.68 | 58.60 | 65.00 | 68.03 | 77.58 | 71.84 | 68.47 | 58.93 | a | 49.57 | 38.52 | 57.25 | ||||||||||||
1955 | 34.81 | 34.67 | a | 45.45 | 50.53 | 59.68 | 69.23 | 73.61 | 73.68 | 69.27 | 61.06 | 46.80 | 42.74 | 55.13 | ||||||||||||
1956 | 43.13 | a | 37.10 | 46.65 | 52.55 | a | 61.87 | 70.73 | 74.68 | 71.97 | 71.43 | 55.52 | 43.93 | 41.03 | 55.88 | |||||||||||
1957 | 37.68 | 47.61 | 48.74 | 52.50 | 58.16 | 73.00 | 75.58 | 72.77 | 69.00 | 54.29 | 42.37 | 41.42 | 56.09 | |||||||||||||
1958 | 40.42 | 44.64 | 42.58 | 52.23 | 64.55 | 69.23 | 73.03 | 76.16 | 70.00 | 61.45 | 46.03 | 42.19 | 56.88 | |||||||||||||
1959 | 40.42 | 39.82 | 48.68 | 58.53 | 60.29 | 73.37 | 77.81 | 73.68 | 66.07 | 59.23 | 46.07 | 42.06 | 57.17 | |||||||||||||
1960 | 34.94 | 38.03 | 50.19 | 55.30 | 61.26 | 73.33 | 78.45 | 74.97 | 70.20 | 57.35 | 46.17 | 39.42 | 56.63 | |||||||||||||
1961 | 40.74 | 44.68 | 46.29 | 54.43 | 60.48 | 74.10 | 78.45 | 75.35 | 65.00 | 57.03 | 44.03 | 37.26 | 56.49 | |||||||||||||
1962 | 39.52 | 43.82 | 42.52 | 60.23 | 58.55 | 69.47 | 75.26 | 76.13 | 69.80 | 58.48 | 49.57 | 41.03 | 57.03 | |||||||||||||
1963 | 34.68 | 49.38 | b | 47.10 | 48.41 | a | 62.45 | 64.87 | 75.77 | 76.00 | 70.48 | a | 61.90 | 47.37 | 38.97 | 56.45 | ||||||||||
1964 | 35.04 | c | 38.14 | 39.26 | 51.37 | 59.19 | 67.27 | 77.39 | 74.93 | b | 67.21 | a | 63.58 | 42.57 | 38.71 | 54.55 | ||||||||||
1965 | 40.48 | 41.61 | 43.68 | 50.70 | 57.00 | 65.27 | 73.74 | 74.13 | 62.33 | 58.65 | 48.80 | 38.65 | 54.59 | |||||||||||||
1966 | 35.81 | 38.00 | a | 47.39 | 54.77 | 64.45 | 70.37 | 75.00 | 75.90 | 67.80 | 55.90 | 46.53 | 38.77 | 55.89 | ||||||||||||
1967 | 38.23 | 43.36 | 49.00 | 44.47 | 61.42 | 67.07 | 78.61 | 76.84 | 70.07 | 60.23 | 50.10 | 35.35 | 56.23 | |||||||||||||
1968 | 39.42 | 49.10 | 48.32 | 52.47 | 61.58 | 71.00 | 75.58 | 72.16 | 68.87 | 59.00 | 48.43 | 35.26 | 56.77 | |||||||||||||
1969 | 42.19 | 39.89 | 45.32 | 53.47 | 64.26 | 68.27 | 76.29 | 79.55 | 71.17 | 55.10 | 48.87 | 41.13 | 57.12 | |||||||||||||
1970 | 39.26 | 45.00 | 45.29 | 48.97 | 63.29 | 71.43 | 78.52 | 75.32 | 66.03 | 55.90 | 48.37 | 37.81 | 56.27 | |||||||||||||
1971 | 37.84 | 42.86 | 47.29 | 51.73 | 55.87 | 68.17 | 78.35 | 75.77 | 67.93 | 53.84 | 44.73 | 36.39 | 55.06 | |||||||||||||
1972 | 36.32 | 44.93 | 56.03 | 55.30 | 63.03 | 71.47 | 78.29 | 74.26 | 66.07 | 55.87 | 43.20 | 36.06 | 56.74 | |||||||||||||
1973 | 35.68 | 43.68 | 42.81 | 52.30 | 64.13 | 71.07 | 75.48 | 73.87 | 67.10 | 56.84 | 44.37 | 40.13 | 55.62 | |||||||||||||
1974 | 33.87 | 41.93 | 49.90 | 54.10 | 62.74 | 73.20 | 73.03 | 72.74 | 69.27 | 60.03 | a | 46.97 | 37.68 | 56.29 | ||||||||||||
1975 | 37.29 | 40.25 | 43.39 | 46.00 | 60.52 | 69.13 | 75.29 | 72.29 | 69.30 | 54.65 | 44.97 | ----- | z | 55.73 | a | |||||||||||
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.73 | 56.29 | ----- | z | 37.97 | 53.33 | i | |||
1977 | ----- | z | 45.07 | 40.42 | 55.00 | 55.65 | 73.60 | 77.13 | 75.23 | 67.43 | 60.39 | 47.50 | 43.77 | 58.29 | a | |||||||||||
1978 | 40.71 | 43.04 | 50.06 | 50.40 | 60.83 | a | 72.47 | 76.52 | 73.29 | 67.60 | 61.81 | 45.20 | 34.81 | 56.39 | ||||||||||||
1979 | 33.58 | 38.39 | 45.94 | 50.00 | b | 59.11 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.03 | 40.16 | 44.32 | e | |||||
1980 | 41.35 | 44.07 | 42.23 | 51.00 | b | 56.74 | 62.47 | 75.35 | 74.23 | 68.67 | 56.90 | 48.53 | 45.29 | 55.57 | ||||||||||||
1981 | 44.29 | 42.93 | 44.52 | 57.90 | 60.90 | 75.47 | 78.42 | 75.58 | 68.20 | 54.55 | 49.80 | 40.81 | 57.78 | |||||||||||||
1982 | 36.32 | f | 41.88 | b | 45.13 | 51.00 | a | 61.90 | 67.33 | 73.71 | 73.74 | 64.67 | 52.77 | 42.93 | 35.77 | 55.53 | a | |||||||||
1983 | 37.97 | a | 42.36 | 44.84 | 45.80 | 60.26 | 66.67 | 72.00 | 68.94 | 68.70 | 56.23 | 45.73 | 39.90 | 54.12 | ||||||||||||
1984 | 41.39 | 42.38 | 47.74 | 51.87 | 67.61 | 71.03 | 76.42 | 73.93 | a | 69.60 | 53.55 | 45.40 | 38.10 | 56.58 | ||||||||||||
1985 | 38.55 | 38.46 | 44.23 | 56.60 | 63.26 | 73.33 | 78.35 | 75.65 | 64.14 | b | 58.23 | 43.50 | 40.48 | 56.23 | ||||||||||||
1986 | 44.58 | 46.18 | 52.10 | 53.53 | 63.77 | 73.62 | a | 72.93 | a | 77.13 | 61.90 | 54.87 | 47.60 | 39.23 | a | 57.29 | ||||||||||
1987 | 36.00 | 41.82 | 42.90 | 57.30 | 60.77 | 72.80 | 72.77 | 75.32 | 69.93 | 60.77 | 45.20 | 34.29 | 55.82 | |||||||||||||
1988 | 37.74 | 43.41 | 47.16 | 52.50 | 60.97 | 71.73 | 77.61 | 72.19 | 67.93 | 65.06 | 46.07 | 38.48 | 56.74 | |||||||||||||
1989 | 36.03 | 41.18 | 52.29 | 60.97 | 61.26 | 71.00 | a | 78.94 | 73.71 | 68.73 | 57.03 | a | 48.53 | 40.68 | 57.53 | |||||||||||
1990 | 37.47 | a | 39.89 | 50.16 | 57.33 | 60.84 | 72.13 | 77.10 | 74.23 | 69.77 | 58.55 | 47.40 | 33.65 | 56.54 | ||||||||||||
1991 | 37.39 | 48.46 | 42.19 | 51.70 | 57.10 | 67.47 | 77.45 | 74.94 | 70.07 | 61.94 | 46.40 | 39.19 | 56.19 | |||||||||||||
1992 | 38.42 | 45.18 | a | 47.35 | 58.50 | 65.90 | 69.90 | 75.50 | a | 77.52 | 71.73 | 61.16 | 43.79 | a | 35.97 | 57.58 | ||||||||||
1993 | 38.45 | 41.25 | 49.42 | 54.70 | 62.71 | 70.63 | 74.83 | a | 74.87 | 69.57 | 58.84 | 43.43 | 38.90 | 56.47 | ||||||||||||
1994 | 41.00 | 38.89 | 52.13 | 56.73 | 62.58 | 76.97 | 80.19 | 80.59 | b | 71.97 | 58.03 | 41.00 | 41.68 | 58.48 | ||||||||||||
1995 | 40.87 | 49.68 | 47.93 | a | 53.87 | 60.07 | c | 70.12 | f | 80.42 | 80.66 | b | 74.33 | 61.24 | b | 53.41 | c | 44.19 | 58.79 | a | ||||||
1996 | 43.39 | 48.62 | 51.13 | 60.07 | b | 68.55 | b | 76.30 | 82.71 | 80.83 | a | 70.80 | 59.55 | 50.80 | 42.90 | 61.30 | ||||||||||
1997 | 42.04 | c | 44.63 | a | 53.39 | 55.87 | 71.39 | 72.93 | 78.31 | b | 79.13 | h | 71.83 | a | 58.61 | 50.00 | 40.90 | 58.17 | a | |||||||
1998 | 43.03 | 42.36 | 48.23 | 51.67 | 58.71 | 69.30 | 80.59 | b | 81.55 | 70.13 | 58.48 | 48.37 | 41.45 | 57.82 | ||||||||||||
1999 | 44.23 | 45.29 | 50.93 | a | 50.52 | a | 63.26 | 72.63 | 78.68 | 79.03 | b | 73.50 | 64.48 | 53.60 | 44.61 | 60.06 | ||||||||||
2000 | 45.90 | j | ----- | z | ----- | z | ----- | z | 69.17 | m | 76.75 | j | 81.95 | i | 79.88 | f | 71.83 | l | 57.70 | h | 42.78 | g | 42.79 | g | ----- | z |
2001 | 39.16 | f | 40.44 | j | 46.13 | p | 54.67 | o | 70.19 | j | 75.16 | k | 76.21 | q | 78.93 | p | 73.60 | o | 63.79 | l | 52.94 | n | ----- | z | ----- | z |
2002 | 36.11 | v | 38.83 | v | ----- | z | ----- | z | ----- | z | ----- | z | 82.81 | o | 78.00 | n | 72.73 | o | 56.31 | o | 50.87 | o | 40.57 | q | ----- | z |
2003 | 47.00 | q | 41.21 | n | 48.39 | m | 51.60 | 66.52 | ----- | z | ----- | z | ----- | z | 71.87 | 64.83 | a | 44.90 | a | 40.00 | 56.62 | f | ||||
2004 | 40.07 | d | 39.89 | b | 55.87 | 55.07 | o | 62.54 | e | 70.17 | f | 75.18 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.59 | h | |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.57 | 42.24 | 47.02 | 53.85 | 61.90 | 70.45 | 76.75 | 75.28 | 69.02 | 58.49 | 46.60 | 39.68 | 56.67 | |||||||||||||
S.D. | 3.48 | 3.77 | 3.66 | 3.56 | 3.22 | 3.02 | 2.10 | 2.41 | 2.58 | 2.94 | 2.94 | 2.82 | 1.30 | |||||||||||||
SKEW | -1.12 | -0.26 | 0.30 | -0.17 | 0.23 | -0.20 | 0.00 | 0.48 | -0.53 | 0.14 | 0.31 | -0.09 | 1.01 | |||||||||||||
MAX | 44.58 | 49.68 | 56.03 | 60.97 | 71.39 | 76.97 | 82.71 | 81.55 | 74.33 | 65.06 | 53.60 | 45.45 | 61.30 | |||||||||||||
MIN | 25.32 | 32.04 | 39.26 | 44.47 | 54.42 | 62.47 | 72.00 | 68.94 | 61.90 | 52.77 | 41.00 | 33.65 | 54.12 | |||||||||||||
YRS | 66 | 68 | 68 | 67 | 69 | 65 | 66 | 65 | 69 | 69 | 69 | 69 | 60 |