YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | ----- | z | 34.59 | n | 43.67 | 45.87 | 57.60 | 58.06 | 57.06 | 52.13 | 50.00 | 37.57 | 33.06 | 48.34 | c | |||||||||
1951 | 25.16 | 20.25 | 20.87 | 26.07 | 44.42 | 52.17 | 60.45 | 57.00 | 53.20 | 43.19 | 31.00 | 26.68 | 38.37 | |||||||||||||
1952 | 28.90 | 25.32 | a | 25.16 | 37.40 | 49.97 | 56.00 | 59.23 | 63.55 | 66.47 | ----- | z | 20.30 | j | 14.77 | 42.68 | b | |||||||||
1953 | 24.52 | ----- | z | ----- | z | ----- | z | 40.10 | 54.43 | 59.10 | 55.10 | ----- | z | ----- | z | ----- | z | ----- | z | 46.65 | g | |||||
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.77 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.77 | k | |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.07 | p | 41.00 | 31.50 | 25.74 | 32.75 | i | |||
1976 | 23.23 | 30.83 | 28.87 | 34.03 | 43.13 | 48.17 | 50.97 | a | 49.77 | 45.03 | 37.29 | 30.27 | 26.03 | 37.30 | ||||||||||||
1977 | 24.94 | 27.32 | 26.19 | 36.57 | 40.97 | 53.17 | 56.68 | 55.06 | 49.30 | 42.16 | 35.40 | 33.35 | 40.09 | |||||||||||||
1978 | 27.52 | 28.82 | 35.47 | a | 37.23 | 41.53 | a | 54.07 | 60.48 | j | 53.87 | 49.23 | 44.71 | 34.63 | 25.35 | 39.31 | a | |||||||||
1979 | 23.35 | 27.50 | 32.28 | f | 36.90 | a | 42.00 | g | 51.93 | 53.23 | 49.22 | d | 47.37 | 41.23 | 24.38 | i | 29.20 | u | 41.34 | d | ||||||
1980 | 25.67 | s | 30.17 | 29.93 | a | ----- | z | 40.73 | i | 56.37 | 56.87 | a | 52.27 | e | 51.68 | b | 37.06 | m | 34.18 | b | 32.18 | t | 44.50 | e | ||
1981 | 28.28 | b | 30.84 | c | 30.43 | c | 38.15 | d | 41.05 | j | 54.52 | i | 54.00 | d | 54.62 | e | 51.90 | j | 42.78 | h | 34.58 | k | ----- | z | 39.39 | f |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.74 | 27.63 | 28.13 | 36.25 | 43.71 | 53.57 | 56.51 | 54.75 | 51.80 | 42.80 | 33.51 | 26.43 | 38.59 | |||||||||||||
S.D. | 2.21 | 3.55 | 4.62 | 4.93 | 3.42 | 2.75 | 3.16 | 4.09 | 6.50 | 3.92 | 2.66 | 6.19 | 1.41 | |||||||||||||
SKEW | 0.31 | -1.13 | -0.01 | -0.83 | 0.80 | -0.38 | -0.50 | 0.68 | 1.52 | 0.61 | 0.17 | -0.73 | 0.28 | |||||||||||||
MAX | 28.90 | 30.84 | 35.47 | 43.67 | 49.97 | 57.60 | 60.45 | 63.55 | 66.47 | 50.00 | 37.57 | 33.35 | 40.09 | |||||||||||||
MIN | 23.23 | 20.25 | 20.87 | 26.07 | 40.10 | 48.17 | 50.97 | 49.22 | 45.03 | 37.29 | 30.27 | 14.77 | 37.30 | |||||||||||||
YRS | 8 | 8 | 7 | 8 | 7 | 10 | 9 | 10 | 8 | 7 | 7 | 7 | 3 |