YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.40 | 22.68 | f | 37.40 | k | |
1968 | 22.23 | 28.69 | 27.82 | 34.58 | 45.71 | 53.75 | 57.18 | a | 53.73 | 50.74 | c | 45.11 | 32.82 | 21.22 | a | 39.46 | ||||||||||
1969 | 26.74 | 22.77 | 20.80 | a | 36.09 | a | ----- | z | ----- | z | 60.27 | a | 60.47 | b | 53.18 | 40.98 | 33.07 | a | 28.70 | a | 38.31 | b | ||||
1970 | 22.16 | 28.85 | b | 26.78 | a | 31.75 | 43.65 | e | 54.65 | 60.57 | a | 59.65 | 51.30 | 39.76 | 36.02 | 27.48 | 40.22 | |||||||||
1971 | 23.21 | 25.32 | 31.94 | 38.05 | 43.52 | 53.20 | 61.44 | 57.66 | 52.70 | 38.40 | 32.90 | 22.90 | 40.10 | |||||||||||||
1972 | 24.77 | 27.52 | 38.24 | 39.28 | 44.92 | 53.65 | 59.52 | 56.47 | 52.45 | 44.98 | 27.83 | 23.45 | 41.09 | |||||||||||||
1973 | 19.24 | 24.66 | 24.65 | a | 30.30 | 44.39 | 53.58 | 57.98 | 56.76 | 50.88 | 44.48 | 33.65 | 26.58 | 38.93 | ||||||||||||
1974 | 22.32 | 21.79 | 32.66 | 37.67 | 47.48 | 58.37 | 58.81 | 55.66 | 50.93 | 44.27 | 34.02 | 22.10 | 40.51 | |||||||||||||
1975 | 24.10 | 20.71 | 27.34 | 31.28 | 42.10 | 51.53 | 58.95 | 56.89 | 51.93 | 43.40 | 32.93 | a | 25.40 | 38.88 | ||||||||||||
1976 | 21.63 | 29.21 | 27.39 | 36.57 | 45.79 | 53.30 | 58.00 | 56.19 | 51.95 | 40.84 | 33.03 | 26.03 | 39.99 | |||||||||||||
1977 | 22.61 | 24.84 | 26.95 | 37.24 | a | 43.73 | 54.45 | 59.65 | 59.58 | 54.52 | 44.98 | 36.55 | 32.66 | 41.48 | ||||||||||||
1978 | 26.56 | 25.82 | 33.27 | 39.35 | 44.10 | a | 54.95 | 60.85 | 56.08 | 51.68 | 46.95 | 34.00 | 24.10 | 41.48 | ||||||||||||
1979 | 18.65 | 22.36 | 27.06 | 35.67 | 44.00 | 52.35 | 57.81 | 55.18 | 53.67 | 44.94 | 30.08 | 29.27 | a | 39.25 | ||||||||||||
1980 | 27.26 | 27.05 | 26.87 | 33.45 | 42.58 | 55.77 | 60.95 | 57.53 | 53.03 | 41.45 | 34.80 | 32.77 | 41.13 | |||||||||||||
1981 | 31.22 | a | 29.54 | 29.76 | 41.27 | 46.16 | 56.92 | 59.82 | 58.42 | 52.77 | 43.26 | 37.37 | 30.60 | 43.09 | ||||||||||||
1982 | 24.36 | b | 26.75 | b | 31.42 | 38.20 | 44.65 | 52.50 | 58.76 | b | 58.98 | 54.62 | a | 40.75 | a | 33.58 | 25.48 | 40.84 | ||||||||
1983 | 25.56 | 25.84 | 31.53 | 32.19 | a | 44.89 | 51.58 | 59.37 | 58.35 | 55.98 | a | 44.66 | 32.78 | 27.17 | e | 40.83 | ||||||||||
1984 | 26.14 | c | 27.26 | j | 37.77 | i | 45.09 | n | 51.08 | e | 54.97 | a | ----- | z | 56.68 | 55.17 | d | 38.58 | f | 34.68 | p | 27.39 | m | 48.81 | g | |
1985 | 23.05 | i | 26.36 | j | 35.27 | k | 45.95 | k | 55.00 | i | 58.05 | j | 60.25 | a | 57.47 | 49.72 | a | 43.66 | 32.32 | 28.29 | 45.29 | f | ||||
1986 | 31.27 | 28.76 | a | 34.37 | a | 40.78 | 46.60 | 54.18 | 57.57 | a | 59.18 | a | 50.16 | a | 40.13 | a | 33.93 | 24.85 | a | 41.82 | ||||||
1987 | 22.07 | b | 23.93 | a | 24.61 | 38.97 | a | 44.06 | 53.84 | a | 56.81 | 56.56 | 50.70 | 46.08 | a | 30.97 | 22.22 | a | 39.24 | |||||||
1988 | 23.79 | 28.42 | c | 31.48 | b | 38.02 | ----- | z | 55.52 | 59.45 | 58.24 | ----- | z | ----- | z | ----- | z | ----- | z | 42.13 | e | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 24.30 | 25.94 | 29.21 | 36.35 | 44.97 | 54.16 | 59.20 | 57.42 | 52.40 | 43.11 | 33.50 | 26.38 | 40.49 | |||||||||||||
S.D. | 3.31 | 2.72 | 4.10 | 3.27 | 2.05 | 1.72 | 1.33 | 1.66 | 1.74 | 2.41 | 2.32 | 3.41 | 1.15 | |||||||||||||
SKEW | 0.54 | -0.38 | 0.16 | -0.42 | 1.44 | 0.62 | -0.14 | -0.13 | 0.43 | -0.37 | -0.34 | 0.37 | 0.39 | |||||||||||||
MAX | 31.27 | 29.54 | 38.24 | 41.27 | 51.08 | 58.37 | 61.44 | 60.47 | 55.98 | 46.95 | 37.40 | 32.77 | 43.09 | |||||||||||||
MIN | 18.65 | 20.71 | 20.80 | 30.30 | 42.10 | 51.53 | 56.81 | 53.73 | 49.72 | 38.40 | 27.83 | 21.22 | 38.88 | |||||||||||||
YRS | 20 | 19 | 19 | 19 | 18 | 19 | 20 | 21 | 20 | 19 | 20 | 19 | 17 |