YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1954 | ----- | z | ----- | z | ----- | z | ----- | z | 60.94 | 63.52 | a | 72.16 | 68.55 | 63.25 | 50.16 | 45.30 | 33.13 | 57.13 | d | |||||||
1955 | 29.72 | a | 35.30 | 39.19 | 46.25 | 55.21 | 67.45 | 70.40 | 71.44 | 63.33 | 51.06 | 29.98 | a | 27.47 | a | 48.90 | ||||||||||
1956 | 29.98 | 24.60 | 42.65 | 55.10 | 63.89 | 64.30 | 75.13 | 71.26 | 63.78 | 49.60 | 35.63 | 33.45 | 50.78 | |||||||||||||
1957 | 16.06 | 34.16 | 43.27 | 52.57 | 63.26 | 67.57 | 70.72 | a | 67.85 | 65.75 | 48.90 | a | 40.23 | 39.82 | 50.85 | |||||||||||
1958 | ----- | z | ----- | z | 47.30 | u | 49.65 | 66.02 | 70.83 | 76.68 | c | 75.78 | b | 64.11 | b | 55.62 | e | 39.94 | c | 35.45 | 59.34 | c | ||||
1959 | 32.92 | 36.43 | 44.77 | 52.30 | 56.15 | 65.28 | 69.42 | r | 67.77 | 61.02 | 51.29 | 37.10 | 33.27 | i | 50.50 | b | ||||||||||
1960 | 22.21 | 36.88 | 44.70 | a | 51.60 | 56.69 | 67.53 | 77.65 | 68.15 | 63.90 | 53.44 | 40.50 | k | 28.15 | a | 51.90 | a | |||||||||
1961 | 34.68 | 43.95 | 45.53 | 50.33 | 59.71 | 74.33 | i | 74.18 | 78.65 | a | 62.39 | c | 50.05 | 34.52 | 34.07 | a | 51.64 | a | ||||||||
1962 | 29.92 | a | 36.54 | d | 41.36 | c | 54.75 | d | 54.62 | b | 64.67 | 71.24 | 68.37 | 64.73 | ----- | z | ----- | z | ----- | z | 54.02 | c | ||||
1963 | ----- | z | 38.27 | ----- | z | 53.50 | x | 57.43 | a | 64.08 | 67.76 | 70.84 | 67.37 | 53.50 | c | 43.15 | 30.27 | 54.74 | c | |||||||
1964 | 35.81 | 38.12 | a | 42.00 | b | 48.40 | 56.10 | 64.02 | 70.08 | 65.98 | 60.15 | 51.37 | 38.58 | 27.81 | 49.87 | |||||||||||
1965 | 32.53 | 40.02 | 41.74 | 52.83 | 56.34 | 64.65 | 70.98 | a | 70.11 | 59.95 | 55.45 | 43.23 | 33.05 | 51.74 | ||||||||||||
1966 | 34.32 | 38.59 | 44.16 | 50.83 | 58.69 | 62.90 | 68.48 | a | 69.48 | 65.12 | 52.08 | 42.65 | 37.77 | a | 52.09 | |||||||||||
1967 | 39.78 | a | 42.66 | 43.31 | 46.70 | 57.23 | 67.63 | 72.24 | 74.74 | 67.42 | 52.97 | 40.73 | 33.63 | a | 53.25 | |||||||||||
1968 | 35.33 | a | 41.10 | 47.10 | 49.15 | 58.45 | a | 66.32 | 72.90 | b | 67.94 | d | 63.33 | a | 49.25 | a | 40.75 | 30.16 | 51.82 | |||||||
1969 | 19.55 | 30.18 | 43.91 | b | 49.83 | 61.26 | 69.65 | 69.79 | 66.97 | a | 62.60 | 47.83 | b | 40.24 | a | 34.13 | a | 49.66 | ||||||||
1970 | 31.44 | 39.71 | 43.73 | 47.28 | 58.13 | 68.17 | 72.53 | 70.35 | 58.10 | 49.03 | a | 39.65 | 31.82 | 50.83 | ||||||||||||
1971 | 36.77 | 37.78 | a | 40.66 | 48.07 | 59.41 | b | 60.53 | 71.28 | a | 72.48 | 57.60 | a | 49.52 | a | 40.14 | a | 31.39 | 50.47 | |||||||
1972 | 30.45 | c | 33.73 | c | 46.21 | 47.17 | 60.74 | 65.67 | 70.23 | 71.83 | b | 57.41 | b | 50.37 | 39.97 | 26.30 | c | 50.01 | ||||||||
1973 | 30.26 | 37.39 | 45.56 | 50.80 | 59.18 | a | 64.13 | 71.87 | 68.47 | 63.19 | d | 52.00 | a | 39.70 | 38.26 | 51.74 | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.69 | 36.97 | 43.52 | 50.20 | 58.97 | 65.73 | 71.91 | 70.35 | 62.72 | 51.24 | 39.53 | 32.56 | 50.92 | |||||||||||||
S.D. | 6.21 | 4.49 | 2.09 | 2.65 | 3.02 | 2.51 | 2.56 | 3.18 | 2.91 | 2.19 | 3.54 | 3.82 | 1.18 | |||||||||||||
SKEW | -1.02 | -1.08 | -0.27 | 0.26 | 0.69 | 0.14 | 0.70 | 1.06 | -0.37 | 0.56 | -1.02 | 0.16 | 0.20 | |||||||||||||
MAX | 39.78 | 43.95 | 47.10 | 55.10 | 66.02 | 70.83 | 77.65 | 78.65 | 67.42 | 55.62 | 45.30 | 39.82 | 53.25 | |||||||||||||
MIN | 16.06 | 24.60 | 39.19 | 46.25 | 54.62 | 60.53 | 67.76 | 65.98 | 57.41 | 47.83 | 29.98 | 26.30 | 48.90 | |||||||||||||
YRS | 17 | 18 | 17 | 18 | 20 | 19 | 19 | 20 | 20 | 19 | 18 | 18 | 13 |