YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.47 | 41.32 | 41.89 | j | ||
1941 | 37.00 | 45.30 | a | 57.42 | 61.14 | a | 65.39 | 73.36 | b | 88.70 | a | 81.83 | a | 68.90 | 60.33 | a | 52.10 | 42.07 | a | 61.13 | ||||||
1942 | 27.71 | 40.96 | a | 50.84 | 61.38 | a | 62.42 | 69.41 | a | 83.30 | a | 85.45 | 81.03 | 66.87 | a | 42.97 | 42.48 | 59.57 | ||||||||
1943 | 32.29 | 43.26 | a | 47.00 | 58.28 | a | 62.37 | a | 67.73 | 82.90 | 76.81 | 80.14 | a | 59.16 | 43.23 | 35.67 | a | 57.40 | ||||||||
1944 | 36.48 | 40.48 | 50.45 | 57.13 | 65.81 | 70.66 | a | 82.40 | a | 80.10 | 78.43 | 67.94 | 43.93 | a | 31.76 | b | 58.80 | |||||||||
1945 | 37.87 | 39.81 | a | 40.53 | a | 50.73 | 64.81 | 72.27 | 85.23 | 83.74 | 72.80 | 59.40 | a | 38.47 | 31.94 | 56.47 | ||||||||||
1946 | 35.81 | 38.48 | a | 44.48 | 49.59 | a | 56.19 | 59.00 | 79.35 | 81.87 | 70.13 | 55.68 | 43.67 | 42.19 | 54.70 | |||||||||||
1947 | 38.94 | 48.64 | 55.39 | 62.63 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.06 | 47.00 | 41.90 | 50.22 | e | |||||||
1948 | 38.23 | 41.18 | a | 45.26 | 51.73 | 60.61 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.08 | q | 35.70 | d | 45.45 | f | ||||
1949 | 28.10 | 38.54 | 45.70 | a | 62.67 | 69.29 | 74.20 | 80.19 | 80.60 | k | 75.70 | ----- | z | ----- | z | ----- | z | 59.30 | d | |||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | 68.47 | p | 71.33 | 83.13 | 84.26 | 76.43 | 53.77 | 44.63 | 41.77 | 65.05 | e | |||||||
1951 | 34.52 | 40.93 | 44.20 | a | 60.63 | 66.19 | 76.10 | 83.87 | 82.32 | 76.40 | 57.16 | 44.23 | 35.06 | 58.47 | ||||||||||||
1952 | 34.10 | 43.79 | e | 48.23 | 61.73 | 68.84 | 70.72 | a | 84.29 | 82.19 | 78.50 | 69.84 | 41.60 | 37.81 | 60.14 | |||||||||||
1953 | 45.58 | 46.71 | 51.03 | 56.30 | 62.34 | b | 66.53 | 81.74 | 80.00 | a | 78.80 | 64.52 | 50.67 | 43.39 | 60.63 | |||||||||||
1954 | 39.42 | 44.00 | 46.87 | 57.20 | 67.84 | 67.07 | 78.45 | 75.97 | 71.80 | 57.74 | 50.40 | 38.58 | 57.94 | |||||||||||||
1955 | 37.58 | 42.18 | 45.55 | 51.27 | 61.94 | 76.03 | 76.81 | 81.97 | 74.23 | 59.00 | 41.20 | 36.84 | 57.05 | |||||||||||||
1956 | 36.19 | 37.48 | 48.03 | 62.40 | 67.90 | 69.90 | 83.90 | 80.19 | 73.60 | 56.87 | 42.62 | a | 41.50 | a | 58.38 | |||||||||||
1957 | 22.04 | g | 41.43 | 45.97 | 56.87 | 68.33 | a | 73.50 | 77.71 | 75.68 | 75.33 | 54.45 | 47.33 | 44.19 | 60.07 | a | ||||||||||
1958 | 40.52 | 48.43 | 47.42 | 57.00 | 73.03 | a | 74.77 | 87.10 | 86.03 | 72.10 | 64.90 | 45.93 | 44.10 | 61.78 | ||||||||||||
1959 | 41.03 | 40.75 | 50.26 | 59.73 | 62.16 | 71.37 | 84.39 | 78.96 | h | 67.97 | 63.71 | 50.00 | e | 38.71 | 57.28 | a | ||||||||||
1960 | 31.45 | 42.86 | 50.83 | b | 57.87 | 61.06 | 74.90 | 87.71 | 79.97 | 76.47 | 64.94 | 47.93 | 35.97 | 59.33 | ||||||||||||
1961 | 40.39 | 47.96 | a | 48.52 | 55.73 | 62.00 | 79.13 | 85.55 | 87.90 | 70.90 | 59.23 | 42.63 | 39.13 | a | 59.92 | |||||||||||
1962 | 39.06 | 41.43 | 46.26 | 61.50 | 58.71 | 72.83 | 82.65 | 77.81 | 75.40 | 58.77 | 49.03 | 42.42 | 58.82 | |||||||||||||
1963 | 35.94 | 50.21 | 50.48 | 52.37 | 64.55 | 71.30 | 76.58 | 81.63 | a | 77.37 | 61.58 | 47.57 | 35.90 | 58.79 | ||||||||||||
1964 | 40.52 | 48.21 | 48.58 | 55.70 | 64.03 | 70.07 | 81.23 | 77.74 | 72.23 | 61.71 | 40.72 | a | 36.45 | 58.10 | ||||||||||||
1965 | 38.61 | 47.14 | 50.65 | 59.17 | 64.97 | 74.93 | 83.84 | 80.39 | 70.80 | 66.55 | 46.77 | 39.42 | 60.27 | |||||||||||||
1966 | 38.68 | 42.61 | 50.29 | 60.37 | 69.06 | 72.40 | 79.16 | 82.77 | 75.20 | 62.19 | 46.31 | d | 42.07 | c | 60.09 | |||||||||||
1967 | 43.71 | 50.61 | 47.58 | 50.73 | 66.42 | 76.93 | 85.35 | 90.42 | 79.80 | 60.87 | 46.97 | 39.03 | a | 61.54 | ||||||||||||
1968 | 40.35 | 45.83 | 53.06 | 56.80 | 65.39 | 74.73 | 85.45 | 75.26 | 71.97 | 57.68 | 46.03 | 34.13 | 58.89 | |||||||||||||
1969 | 28.16 | 36.86 | 49.48 | 55.80 | 69.94 | 77.13 | 81.68 | 79.42 | 72.77 | 57.39 | 49.52 | a | 37.07 | a | 57.93 | |||||||||||
1970 | 37.30 | a | 44.54 | b | 50.67 | a | 51.60 | 68.52 | 79.33 | 84.32 | 83.68 | 68.52 | a | 58.23 | a | 44.43 | 36.10 | 58.94 | ||||||||
1971 | 42.39 | 44.15 | b | 44.63 | a | 54.13 | 65.57 | a | 67.67 | 85.83 | b | 86.10 | 69.03 | a | 57.93 | a | 47.07 | 38.33 | a | 58.57 | ||||||
1972 | 37.86 | b | 41.59 | b | 52.16 | 53.14 | a | 68.20 | a | 74.90 | a | 82.94 | 83.68 | 68.53 | 59.81 | 45.60 | 33.48 | 58.49 | ||||||||
1973 | 35.26 | 42.30 | a | 50.42 | 58.97 | a | 67.50 | a | 74.63 | 84.52 | 80.00 | 72.73 | d | 59.25 | c | 40.87 | 42.35 | 59.07 | ||||||||
1974 | 33.45 | 45.04 | 49.32 | 54.13 | 60.87 | 79.17 | 79.96 | d | 83.53 | a | 78.72 | e | 63.61 | 47.21 | a | 42.30 | a | 59.78 | ||||||||
1975 | 40.03 | 40.04 | b | 44.61 | 51.77 | 65.45 | 71.80 | 84.16 | 76.35 | 77.57 | 57.93 | a | 47.46 | d | 41.81 | 58.25 | ||||||||||
1976 | 42.39 | 41.79 | 47.35 | 54.10 | 66.32 | 70.66 | a | 80.13 | a | 76.71 | ----- | z | ----- | z | ----- | z | ----- | z | 59.93 | d | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 37.26 | 43.30 | 48.56 | 56.64 | 65.12 | 72.54 | 82.78 | 81.31 | 74.25 | 60.49 | 45.55 | 38.94 | 58.94 | |||||||||||||
S.D. | 4.27 | 3.57 | 3.35 | 3.94 | 3.56 | 4.15 | 3.02 | 3.70 | 3.78 | 3.94 | 3.24 | 3.52 | 1.50 | |||||||||||||
SKEW | -0.59 | 0.32 | 0.26 | -0.10 | -0.28 | -0.84 | -0.32 | 0.29 | 0.00 | 0.59 | -0.06 | -0.34 | -0.44 | |||||||||||||
MAX | 45.58 | 50.61 | 57.42 | 62.67 | 73.03 | 79.33 | 88.70 | 90.42 | 81.03 | 69.84 | 52.10 | 44.19 | 61.78 | |||||||||||||
MIN | 27.71 | 36.86 | 40.53 | 49.59 | 56.19 | 59.00 | 76.58 | 75.26 | 67.97 | 53.77 | 38.47 | 31.76 | 54.70 | |||||||||||||
YRS | 34 | 35 | 35 | 35 | 34 | 34 | 34 | 32 | 33 | 33 | 34 | 35 | 29 |