YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.26 | 40.78 | 33.76 | 42.27 | i | |||
1942 | 28.58 | 31.34 | 38.03 | 52.30 | 57.47 | 67.12 | 74.55 | 71.82 | 63.27 | 52.94 | 40.95 | 34.65 | 51.08 | |||||||||||||
1943 | 32.77 | 38.30 | 42.39 | 55.63 | 58.66 | 67.65 | 75.15 | 74.39 | 65.83 | 53.37 | 38.85 | 32.15 | 52.93 | |||||||||||||
1944 | 24.53 | 35.53 | 39.55 | 47.83 | 59.61 | 67.35 | 75.00 | 73.23 | 65.58 | 55.82 | ----- | z | 31.48 | 52.32 | a | |||||||||||
1945 | 30.60 | 38.00 | 40.68 | 47.70 | 61.35 | 65.68 | 76.47 | 75.98 | 64.70 | 52.90 | 37.10 | 24.90 | 51.34 | |||||||||||||
1946 | 27.81 | 33.59 | 42.97 | 56.10 | 57.56 | 69.97 | 74.24 | 71.65 | 63.52 | 48.26 | 37.35 | 34.47 | 51.46 | |||||||||||||
1947 | 22.61 | 36.86 | 41.77 | 49.25 | 60.56 | 64.08 | 74.52 | ----- | z | 65.40 | a | 53.23 | 35.30 | 29.55 | 48.47 | a | ||||||||||
1948 | 30.16 | 33.05 | 36.69 | 52.82 | 60.81 | 66.60 | 72.79 | 70.79 | 63.88 | 51.31 | 34.42 | 32.50 | 50.48 | |||||||||||||
1949 | 25.00 | 29.71 | 42.73 | 52.78 | 58.48 | 66.35 | 74.11 | 70.76 | 65.33 | 49.97 | 42.75 | 31.00 | 50.75 | |||||||||||||
1950 | 31.78 | a | 39.07 | 41.21 | 51.98 | 56.98 | 67.85 | 73.97 | 71.45 | 63.02 | 59.53 | 41.13 | 34.87 | 52.74 | ||||||||||||
1951 | 28.98 | b | 35.52 | 40.45 | 49.30 | 60.35 | 65.63 | 77.77 | 72.94 | 63.88 | 51.37 | 36.35 | 26.11 | 50.72 | ||||||||||||
1952 | 31.74 | 33.64 | 37.30 | a | 51.80 | 61.40 | 71.73 | 75.31 | 76.95 | 67.47 | 56.38 | a | 35.95 | 28.34 | 52.33 | |||||||||||
1953 | 34.08 | 34.96 | a | 42.58 | 49.07 | 56.94 | 72.53 | 77.74 | 73.31 | 68.18 | 53.81 | 41.60 | 23.42 | 52.35 | ||||||||||||
1954 | 33.03 | 40.32 | 40.32 | 56.03 | 63.40 | 70.52 | 77.03 | 72.98 | 66.90 | 55.48 | 42.98 | 28.55 | 53.96 | |||||||||||||
1955 | 25.90 | 25.84 | 41.31 | 48.33 | 58.05 | 68.23 | 75.65 | 75.66 | 67.90 | 55.90 | 39.38 | 34.79 | 51.41 | |||||||||||||
1956 | 36.89 | 30.81 | 42.00 | 50.37 | 62.82 | 73.22 | 74.77 | 71.35 | 67.83 | 54.97 | 32.73 | 28.27 | 52.17 | |||||||||||||
1957 | 32.73 | 41.46 | 42.47 | 48.23 | 56.48 | 69.00 | 74.34 | 72.95 | 64.63 | 52.92 | 36.35 | 33.77 | 52.11 | |||||||||||||
1958 | 29.92 | 39.66 | 38.31 | 48.25 | 63.69 | 72.38 | 74.45 | 75.94 | 65.53 | 54.61 | 39.98 | 35.10 | 53.15 | |||||||||||||
1959 | 31.74 | 35.32 | 41.13 | 51.75 | 61.87 | 74.30 | 77.63 | 73.89 | 65.13 | 53.05 | 38.97 | 33.56 | 53.20 | |||||||||||||
1960 | 26.05 | 31.17 | 45.21 | 52.12 | 59.74 | 72.32 | 77.24 | 75.85 | 69.40 | 51.95 | 42.30 | 25.87 | 52.44 | |||||||||||||
1961 | 24.31 | 37.54 | 43.39 | 50.62 | 61.97 | 74.23 | 77.21 | 74.66 | 62.67 | 53.18 | 39.27 | 19.31 | 51.53 | |||||||||||||
1962 | 21.29 | 36.23 | 39.85 | 55.85 | 60.45 | 70.50 | 76.55 | 75.61 | 67.35 | 56.21 | 44.58 | 33.89 | 53.20 | |||||||||||||
1963 | 21.52 | 37.82 | 43.27 | 51.25 | 65.06 | 70.72 | 78.76 | 74.32 | 69.97 | 59.87 | 42.80 | 29.69 | 53.75 | |||||||||||||
1964 | 28.24 | 30.53 | 38.60 | 48.77 | 62.27 | 70.27 | 78.94 | 73.32 | 65.47 | 56.90 | 39.30 | 29.74 | 51.86 | |||||||||||||
1965 | 33.34 | 34.21 | 40.45 | 50.88 | 58.55 | 66.57 | a | 76.03 | 73.40 | 62.88 | 55.56 | 45.23 | 34.53 | 52.64 | ||||||||||||
1966 | 28.89 | 31.15 | a | 44.71 | 52.07 | 64.53 | 70.88 | 79.10 | 75.02 | 66.88 | 54.50 | 45.45 | 30.50 | 53.64 | ||||||||||||
1967 | 27.56 | 37.79 | 47.84 | 50.82 | 59.23 | 68.33 | 77.77 | 73.19 | 65.93 | 55.05 | 43.58 | 24.73 | 52.65 | |||||||||||||
1968 | 22.02 | a | 40.59 | 44.08 | 47.93 | 59.31 | 70.27 | 74.90 | 70.19 | 63.83 | 53.24 | 36.87 | 25.69 | 50.74 | ||||||||||||
1969 | 31.87 | 34.11 | 37.18 | 51.70 | 62.98 | 67.63 | 76.85 | 76.76 | 67.58 | 47.69 | 38.12 | 33.05 | 52.13 | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | 33.65 | 34.77 | 41.61 | 47.07 | 59.52 | 66.88 | 77.56 | 74.92 | 69.50 | 53.00 | 41.48 | 32.45 | 52.70 | |||||||||||||
1999 | 35.43 | b | 38.36 | 47.23 | 48.03 | 58.16 | 68.27 | 75.19 | 72.03 | 63.25 | 53.13 | 44.64 | a | 28.94 | 52.72 | |||||||||||
2000 | 34.53 | 39.81 | 43.05 | 54.53 | 63.26 | 73.40 | 77.37 | 76.94 | 67.78 | 52.56 | 34.72 | 32.84 | 54.23 | |||||||||||||
2001 | 29.35 | a | 36.02 | 45.07 | b | 52.65 | 62.89 | 71.58 | 77.02 | 73.83 | a | 68.25 | b | 55.63 | a | 43.77 | 30.76 | 53.90 | ||||||||
2002 | 31.00 | 32.95 | 40.63 | 55.17 | 61.39 | 73.92 | 78.65 | 73.98 | 65.33 | 50.50 | 39.15 | 30.89 | 52.80 | |||||||||||||
2003 | 36.74 | 35.38 | 42.61 | 50.53 | 62.45 | 70.10 | 79.84 | 76.37 | 65.15 | 57.34 | 40.17 | 34.13 | a | 54.23 | ||||||||||||
2004 | 31.31 | 33.14 | 50.18 | 51.12 | 61.35 | 70.73 | 75.92 | 73.45 | 64.82 | b | 53.19 | 40.58 | 32.60 | 53.20 | ||||||||||||
2005 | 38.29 | 39.91 | 43.32 | 51.67 | 61.92 | 69.12 | 79.79 | 74.40 | 68.37 | 55.55 | 42.30 | 30.86 | b | 54.62 | ||||||||||||
2006 | 32.31 | 35.88 | 42.55 | 53.12 | a | 63.58 | 74.03 | 78.03 | 73.92 | 60.83 | 51.32 | 41.77 | 31.11 | 53.20 | ||||||||||||
2007 | 27.26 | 37.11 | 46.37 | 52.22 | 61.00 | 72.53 | 78.95 | 77.05 | 67.03 | a | 53.44 | 43.55 | 29.81 | 53.86 | ||||||||||||
2008 | 23.90 | 34.64 | 42.68 | 49.48 | 58.03 | 69.90 | 77.63 | 75.40 | 66.52 | 53.94 | 43.07 | 31.63 | 52.23 | |||||||||||||
2009 | 32.56 | 38.50 | 44.81 | 50.12 | 64.11 | 68.68 | 78.85 | 74.27 | 66.70 | 49.76 | 42.25 | 26.60 | 53.10 | |||||||||||||
2010 | 26.87 | 34.71 | 42.13 | 51.00 | 57.84 | 71.50 | 77.77 | 73.35 | 67.45 | 55.47 | 38.23 | 37.06 | 52.78 | |||||||||||||
2011 | 25.23 | 32.61 | 46.03 | 51.18 | 57.58 | 70.31 | c | 78.50 | 77.94 | 66.75 | b | 53.03 | 40.37 | 30.73 | 52.52 | |||||||||||
2012 | 32.73 | 36.61 | a | 45.32 | 54.37 | 62.77 | 74.35 | 77.74 | b | 76.98 | 67.20 | 53.76 | 43.22 | 31.26 | 54.69 | |||||||||||
2013 | 24.40 | 32.02 | 44.71 | 50.87 | 60.26 | 73.03 | 78.73 | 75.13 | 67.28 | 49.85 | 40.58 | 28.29 | 52.10 | |||||||||||||
2014 | 32.42 | 38.68 | 44.19 | 50.00 | 59.08 | 70.32 | 78.29 | 72.35 | 68.43 | 55.97 | 41.03 | 34.24 | 53.75 | |||||||||||||
2015 | 33.35 | 39.91 | 48.34 | 51.12 | 57.82 | 71.05 | 73.61 | 74.58 | 67.98 | 57.63 | 39.95 | 30.03 | 53.78 | |||||||||||||
2016 | 30.16 | 37.59 | 44.73 | 50.63 | 58.97 | 75.70 | 76.97 | 72.05 | 64.92 | 57.02 | 44.05 | 33.85 | 53.89 | |||||||||||||
2017 | 33.40 | 41.43 | 47.94 | 49.55 | 57.84 | 73.12 | 77.35 | 73.29 | 65.93 | 53.31 | 45.35 | 33.21 | 54.31 | |||||||||||||
2018 | 33.03 | 37.34 | 42.76 | 53.90 | 62.76 | 71.97 | 78.55 | 75.16 | 68.20 | 53.16 | 36.45 | 31.61 | 53.74 | |||||||||||||
2019 | 30.24 | 32.95 | 45.40 | 53.55 | 55.42 | 69.32 | 77.50 | 76.52 | 68.60 | 48.23 | 39.89 | b | 32.52 | b | 52.51 | |||||||||||
2020 | 32.32 | 36.07 | 45.81 | 52.80 | 64.00 | 73.17 | 77.74 | 79.19 | 66.62 | 54.42 | 43.33 | 27.61 | 54.42 | |||||||||||||
2021 | 31.42 | 36.52 | 43.15 | a | 53.95 | 62.26 | 75.02 | 80.35 | 75.76 | 67.93 | 53.66 | 44.13 | 35.42 | 54.96 | ||||||||||||
2022 | 32.47 | 33.82 | 43.98 | 53.07 | 62.69 | 73.08 | 79.35 | 76.76 | 71.33 | 53.32 | 36.57 | 33.53 | 54.17 | |||||||||||||
2023 | 32.94 | 32.88 | 40.31 | 50.52 | 62.15 | 67.78 | 80.13 | 76.42 | 67.98 | a | 55.63 | 41.70 | e | 34.97 | 53.62 | |||||||||||
2024 | 33.07 | b | 39.62 | 44.04 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.91 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.08 | 35.70 | 42.83 | 51.37 | 60.55 | 70.38 | 76.97 | 74.35 | 66.30 | 53.75 | 40.42 | 31.00 | 52.86 | |||||||||||||
S.D. | 4.07 | 3.31 | 2.91 | 2.31 | 2.40 | 2.76 | 1.88 | 2.00 | 2.10 | 2.56 | 3.12 | 3.51 | 1.13 | |||||||||||||
SKEW | -0.45 | -0.41 | 0.07 | 0.23 | -0.10 | -0.14 | -0.28 | 0.02 | -0.21 | -0.14 | -0.40 | -0.96 | -0.26 | |||||||||||||
MAX | 38.29 | 41.46 | 50.18 | 56.10 | 65.06 | 75.70 | 80.35 | 79.19 | 71.33 | 59.87 | 45.45 | 37.06 | 54.96 | |||||||||||||
MIN | 21.29 | 25.84 | 36.69 | 47.07 | 55.42 | 64.08 | 72.79 | 70.19 | 60.83 | 47.69 | 32.73 | 19.31 | 50.48 | |||||||||||||
YRS | 55 | 55 | 55 | 54 | 54 | 54 | 54 | 53 | 54 | 55 | 54 | 55 | 52 |