YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1938 | ----- | z | 32.30 | r | 33.13 | 38.47 | 38.29 | 44.57 | 48.32 | 41.97 | 43.90 | 37.29 | 29.37 | 31.77 | 38.71 | b | ||||||||||
1939 | 29.77 | 27.18 | 31.26 | 34.13 | 37.23 | 39.50 | 45.71 | 46.65 | 42.03 | 36.16 | 30.77 | 34.48 | 36.24 | |||||||||||||
1940 | 31.00 | 34.72 | 33.97 | 35.20 | 38.94 | 45.10 | 45.90 | 46.10 | 44.40 | 41.42 | 35.13 | 33.42 | 38.77 | |||||||||||||
1941 | 33.77 | 34.54 | 33.87 | 34.33 | 41.45 | 44.13 | 48.55 | 46.77 | 39.97 | 35.06 | 37.90 | a | 36.00 | l | 39.12 | a | ||||||||||
1942 | 34.44 | f | 31.00 | 30.26 | 34.43 | 38.74 | 46.70 | 47.65 | 45.52 | 39.87 | 36.19 | 34.30 | 33.65 | 38.03 | a | |||||||||||
1943 | 27.23 | 29.70 | a | 32.39 | 36.20 | 35.29 | 40.60 | 45.00 | 42.81 | 43.37 | 38.29 | 34.27 | 29.55 | 36.22 | ||||||||||||
1944 | 27.90 | 29.86 | 29.23 | 33.43 | 36.90 | 42.37 | 46.74 | 43.90 | 42.33 | 39.55 | 33.59 | a | 32.87 | 36.56 | ||||||||||||
1945 | 33.06 | 33.75 | 32.71 | 33.60 | 41.03 | 42.40 | 46.35 | 43.74 | 37.69 | a | 36.13 | 32.07 | 30.65 | 36.93 | ||||||||||||
1946 | 25.65 | 25.39 | 31.58 | 34.97 | 38.65 | 42.87 | 47.58 | 45.77 | 39.43 | 34.61 | 31.38 | a | 31.58 | 35.79 | ||||||||||||
1947 | 26.29 | 32.71 | 34.90 | 36.90 | 39.97 | a | 43.45 | a | 46.29 | 43.68 | 41.33 | 42.61 | 33.00 | 31.03 | 37.68 | |||||||||||
1948 | 27.84 | 28.31 | 30.97 | 32.67 | 37.74 | 47.97 | 44.77 | 42.39 | 40.87 | 36.68 | 30.43 | 25.84 | 35.54 | |||||||||||||
1949 | 17.32 | 25.54 | 33.74 | 33.70 | 39.19 | 41.00 | 44.26 | 43.39 | 42.03 | 33.23 | 34.63 | 29.52 | 34.80 | |||||||||||||
1950 | 25.58 | 29.00 | 32.00 | 33.17 | 35.73 | i | 43.67 | 45.58 | 45.16 | 41.60 | 41.42 | 36.76 | a | 37.19 | 37.38 | a | ||||||||||
1951 | 30.90 | 32.29 | 27.68 | 34.23 | 39.03 | 42.63 | 45.19 | 44.59 | b | 42.60 | 37.97 | 33.83 | 30.10 | 36.75 | ||||||||||||
1952 | 28.10 | 29.72 | 30.39 | 32.40 | 37.71 | 42.53 | 44.00 | 39.26 | 41.67 | 38.90 | 26.80 | 32.55 | 35.34 | |||||||||||||
1953 | 36.13 | 30.64 | 30.10 | 33.30 | 36.68 | 41.28 | a | 44.16 | 46.39 | 44.40 | 35.81 | 37.10 | 31.13 | 37.26 | ||||||||||||
1954 | 31.90 | 32.54 | 31.39 | 36.33 | 39.84 | 41.57 | 44.00 | a | 45.87 | 42.17 | 36.10 | 35.50 | 29.22 | d | 37.20 | |||||||||||
1955 | 29.17 | a | 28.54 | 29.77 | 31.07 | 37.81 | 41.83 | 43.00 | d | 44.00 | b | 40.90 | 38.26 | 35.03 | 34.68 | 36.17 | ||||||||||
1956 | 30.65 | 25.83 | 30.94 | 34.83 | 38.03 | 42.03 | 48.52 | 44.94 | 39.87 | 36.90 | 32.03 | 29.42 | 36.17 | |||||||||||||
1957 | 27.77 | 32.95 | g | 37.48 | 35.79 | a | 42.39 | 45.97 | 46.55 | 43.90 | 45.27 | 40.30 | a | 33.10 | 34.55 | 39.37 | a | |||||||||
1958 | 33.77 | 38.86 | 31.87 | 35.83 | 42.03 | 48.07 | 51.16 | 49.10 | 43.60 | 38.16 | 41.07 | 38.58 | 41.01 | |||||||||||||
1959 | 34.39 | 32.07 | 31.71 | 36.00 | 37.00 | 45.07 | 48.74 | 44.65 | 42.97 | 41.61 | 29.90 | 27.58 | 37.64 | |||||||||||||
1960 | 31.97 | 31.93 | 35.23 | 36.63 | 39.58 | 44.57 | 49.03 | 46.19 | 42.57 | 37.97 | 36.17 | 31.23 | 38.59 | |||||||||||||
1961 | 31.77 | 36.21 | 34.68 | 35.17 | 40.39 | 47.30 | 47.13 | 49.94 | 40.10 | 38.32 | 33.43 | 33.19 | 38.97 | |||||||||||||
1962 | 27.16 | 31.57 | 33.45 | 35.57 | 39.19 | 40.93 | 45.94 | 46.45 | 44.47 | 40.26 | 36.97 | 33.06 | 37.92 | |||||||||||||
1963 | 23.32 | 39.79 | 32.23 | 35.73 | 41.48 | 44.63 | 45.03 | 45.03 | 45.10 | 41.58 | 36.37 | 31.42 | 38.48 | |||||||||||||
1964 | 31.45 | 28.14 | 31.10 | 31.77 | 37.77 | 43.97 | 48.58 | 46.13 | 39.50 | 38.94 | 34.43 | 36.29 | 37.34 | |||||||||||||
1965 | 32.65 | 29.79 | 30.48 | 38.30 | 37.19 | 43.13 | 46.16 | 49.29 | 39.50 | 40.03 | 38.30 | 29.71 | 37.88 | |||||||||||||
1966 | 32.35 | 30.71 | 32.81 | 35.13 | 39.97 | 42.73 | 44.81 | 46.77 | 44.63 | 37.16 | 37.63 | 33.55 | 38.19 | |||||||||||||
1967 | 32.58 | 30.64 | 32.26 | 32.80 | 38.81 | 45.53 | 47.26 | 47.94 | 45.00 | 39.06 | 36.30 | 30.32 | 38.21 | |||||||||||||
1968 | 29.97 | 36.52 | 33.97 | a | 33.23 | 38.16 | 44.67 | 48.19 | 48.42 | 42.73 | 38.42 | 37.43 | 32.39 | 38.67 | ||||||||||||
1969 | 30.26 | 30.39 | 30.32 | 35.20 | 41.81 | 48.20 | 46.74 | 43.39 | ----- | z | ----- | z | ----- | z | ----- | z | 38.29 | d | ||||||||
1970 | ----- | z | ----- | z | ----- | z | 33.75 | v | 38.13 | a | 46.93 | b | 46.10 | a | 41.90 | 37.93 | 34.41 | b | 36.47 | 32.53 | a | 39.30 | d | |||
1971 | 28.94 | 31.81 | a | 33.07 | a | 33.24 | a | 39.87 | 42.34 | a | 45.86 | b | 47.48 | 40.83 | 35.00 | 33.07 | 29.87 | 36.78 | ||||||||
1972 | 29.10 | a | 32.68 | a | 39.16 | f | 30.85 | q | 38.23 | 43.43 | 46.97 | a | 45.50 | a | 38.60 | 35.71 | 36.80 | 26.60 | a | 37.36 | b | |||||
1973 | 29.90 | 33.33 | d | 30.93 | a | 32.80 | 39.61 | 44.54 | b | 44.90 | a | 41.82 | c | 43.47 | 35.81 | 36.30 | 36.29 | 37.48 | ||||||||
1974 | 27.52 | 30.00 | 33.62 | b | 32.76 | i | 36.23 | a | 43.50 | 46.16 | 45.19 | 39.45 | a | 32.10 | 31.87 | 30.87 | 36.05 | a | ||||||||
1975 | 28.68 | 28.64 | 29.63 | a | 26.07 | 34.40 | a | 39.33 | i | 42.23 | 39.19 | 36.76 | a | 35.33 | a | 29.83 | 31.52 | 32.93 | a | |||||||
1976 | ----- | z | ----- | z | ----- | z | 29.67 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.00 | u | ----- | z |
2005 | 49.28 | b | 51.89 | 54.33 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.58 | j | |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2020 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.14 | 31.84 | 32.09 | 34.36 | 38.78 | 43.83 | 46.29 | 45.03 | 41.70 | 37.64 | 34.31 | 31.89 | 37.31 | |||||||||||||
S.D. | 4.78 | 4.78 | 1.97 | 2.23 | 1.84 | 2.20 | 1.84 | 2.46 | 2.26 | 2.50 | 3.00 | 2.79 | 1.33 | |||||||||||||
SKEW | 1.24 | 2.14 | 0.34 | -1.23 | -0.03 | 0.33 | 0.20 | -0.30 | -0.24 | 0.04 | -0.30 | 0.20 | 0.45 | |||||||||||||
MAX | 49.28 | 51.89 | 37.48 | 38.47 | 42.39 | 48.20 | 51.16 | 49.94 | 45.27 | 42.61 | 41.07 | 38.58 | 41.01 | |||||||||||||
MIN | 17.32 | 25.39 | 27.68 | 26.07 | 34.40 | 39.50 | 42.23 | 39.19 | 36.76 | 32.10 | 26.80 | 25.84 | 34.80 | |||||||||||||
YRS | 36 | 36 | 36 | 35 | 37 | 37 | 38 | 38 | 37 | 37 | 37 | 36 | 28 |