YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1953 | ----- | z | 39.54 | e | 42.45 | 47.19 | a | 51.02 | c | 57.08 | 68.44 | 66.90 | 66.22 | 51.22 | a | 45.20 | b | 37.10 | b | 52.03 | a | |||||
1954 | 35.53 | 41.09 | 42.33 | a | 49.95 | 58.03 | a | 57.82 | b | 66.82 | 62.67 | a | 58.80 | 51.00 | 44.52 | 35.82 | 50.37 | |||||||||
1955 | 33.20 | a | 35.80 | a | 39.34 | 41.81 | a | 52.38 | b | 63.33 | 64.40 | 67.88 | a | 60.63 | 51.97 | a | 39.14 | b | 37.07 | a | 48.91 | |||||
1956 | 35.64 | b | 34.38 | 39.92 | 50.29 | a | 57.61 | 59.83 | a | 70.31 | 66.90 | 62.41 | a | 49.03 | 41.57 | b | 36.78 | a | 50.39 | |||||||
1957 | 30.68 | 40.43 | 43.42 | 49.80 | b | 56.85 | 63.69 | a | 66.11 | 64.21 | b | 65.98 | a | 49.34 | 39.38 | b | 36.61 | 50.54 | ||||||||
1958 | 38.20 | a | 44.61 | 41.60 | a | 47.38 | b | 61.52 | 62.72 | 71.53 | 71.53 | 60.79 | a | 54.50 | a | 43.55 | 42.13 | 53.34 | ||||||||
1959 | 40.12 | b | 38.36 | 43.85 | 51.41 | a | 52.48 | 62.23 | 70.32 | 65.92 | 59.22 | 53.08 | 42.68 | 36.24 | 51.33 | |||||||||||
1960 | 34.90 | 39.22 | 45.13 | 47.72 | 52.19 | 63.95 | 71.22 | a | 65.24 | 64.22 | 52.90 | 42.65 | c | 36.77 | 51.34 | |||||||||||
1961 | 39.52 | 42.00 | 41.82 | 49.15 | 54.39 | 67.07 | 69.84 | 72.32 | 59.10 | 50.94 | 39.80 | 35.55 | 51.79 | |||||||||||||
1962 | 33.63 | 38.54 | 40.94 | 52.22 | 51.40 | 60.75 | 67.29 | 65.79 | 63.60 | ----- | z | 44.07 | 39.64 | b | 50.71 | a | ||||||||||
1963 | 33.20 | a | 45.41 | 42.89 | 44.28 | 56.56 | 59.78 | 64.00 | 66.39 | 65.70 | 51.92 | 42.12 | 38.10 | 50.86 | ||||||||||||
1964 | 35.00 | 37.78 | 40.18 | 45.40 | 52.37 | 59.42 | 67.87 | 65.89 | 58.63 | 54.79 | 38.30 | 35.85 | 49.29 | |||||||||||||
1965 | 35.77 | 40.02 | 44.77 | 49.98 | 52.29 | 61.15 | 69.40 | 67.05 | 59.03 | 54.39 | 44.28 | 34.25 | a | 51.03 | ||||||||||||
1966 | 34.26 | 37.16 | 42.25 | a | 51.63 | 57.66 | 60.98 | 65.73 | a | 67.42 | 62.79 | a | 51.26 | 43.22 | 37.37 | 50.98 | ||||||||||
1967 | 36.69 | 40.62 | 41.15 | a | 42.30 | 55.90 | a | 64.58 | 70.05 | 73.73 | 66.80 | 50.42 | 44.47 | 33.55 | 51.69 | |||||||||||
1968 | 35.63 | 44.98 | 46.82 | 48.13 | 55.11 | 63.68 | 70.26 | 65.35 | 61.88 | 49.84 | 41.88 | 34.90 | 51.54 | |||||||||||||
1969 | 33.26 | 37.46 | 43.40 | 48.38 | 59.37 | 64.32 | 66.90 | 66.61 | 62.87 | 47.85 | 41.98 | 38.48 | 50.91 | |||||||||||||
1970 | 38.39 | 42.54 | a | 43.74 | 43.80 | 57.29 | 66.55 | 70.10 | 68.35 | 58.03 | 50.16 | 43.62 | 34.06 | 51.39 | ||||||||||||
1971 | 33.35 | 37.54 | 38.94 | 46.32 | 54.65 | 59.80 | 69.40 | 71.18 | 58.48 | 47.68 | 39.78 | 33.45 | 49.21 | |||||||||||||
1972 | 32.74 | 39.79 | 45.76 | 46.30 | 57.35 | 63.75 | 70.76 | 69.05 | 57.80 | 50.10 | 41.25 | 33.12 | b | 50.65 | ||||||||||||
1973 | 34.47 | 42.70 | 41.73 | 48.86 | b | 59.48 | 62.75 | 68.45 | 65.82 | 61.92 | 48.47 | 37.68 | 38.61 | 50.91 | ||||||||||||
1974 | 33.16 | 37.21 | 42.55 | 47.43 | 52.77 | 65.45 | 66.65 | 67.68 | a | 65.97 | 51.39 | 41.60 | 36.60 | 50.71 | ||||||||||||
1975 | 34.32 | 37.57 | 40.34 | 43.08 | 54.61 | 59.98 | 68.45 | 64.19 | 63.37 | 50.10 | 39.05 | 37.32 | 49.37 | |||||||||||||
1976 | 36.37 | 37.79 | 41.05 | 46.53 | 56.56 | 58.83 | 68.06 | 63.97 | a | 62.03 | 50.24 | 44.35 | 34.03 | 49.99 | ||||||||||||
1977 | 34.25 | c | 42.36 | 40.45 | 51.32 | 50.32 | 66.40 | 67.16 | 71.27 | 59.50 | 50.55 | a | 39.97 | a | 40.42 | 51.16 | ||||||||||
1978 | 41.44 | 41.48 | 49.18 | 47.65 | 53.65 | 64.32 | 69.24 | 66.94 | 56.57 | 52.94 | 37.63 | 32.73 | 51.15 | |||||||||||||
1979 | 33.60 | 37.55 | 46.56 | 48.50 | 58.08 | 63.23 | 68.53 | 65.56 | 63.93 | 55.05 | 39.95 | 37.97 | 51.54 | |||||||||||||
1980 | 35.50 | 42.62 | 42.16 | 50.85 | 54.27 | 58.53 | 69.24 | 64.27 | 62.13 | 51.71 | 42.43 | 37.63 | 50.95 | |||||||||||||
1981 | 40.65 | 40.71 | 44.60 | 50.43 | 54.97 | 61.95 | 66.74 | 70.26 | 61.50 | 47.79 | 42.62 | 39.06 | 51.77 | |||||||||||||
1982 | 33.66 | 37.71 | 42.34 | 45.59 | a | 56.32 | c | 63.07 | c | 67.24 | 67.48 | b | 58.72 | 49.95 | a | 38.75 | 36.13 | 49.75 | ||||||||
1983 | 39.40 | 42.21 | 44.85 | 47.47 | a | 58.66 | 60.93 | 64.34 | 68.21 | 59.87 | 50.26 | 41.57 | 34.80 | d | 51.05 | |||||||||||
1984 | 36.92 | 39.40 | 44.52 | 45.20 | 53.87 | 58.55 | 69.53 | 67.19 | 58.18 | 46.40 | a | 39.17 | 33.47 | 49.37 | ||||||||||||
1985 | 35.37 | 36.89 | 40.21 | 50.85 | ----- | z | 63.23 | 70.74 | 64.89 | 55.03 | a | 47.76 | 34.57 | 33.95 | 48.50 | a | ||||||||||
1986 | 40.98 | a | 40.29 | 47.05 | a | 47.82 | 56.27 | 66.14 | a | 64.11 | 71.39 | 55.03 | a | 50.48 | 41.15 | 36.10 | a | 51.40 | ||||||||
1987 | 33.90 | 40.36 | 44.47 | a | 52.97 | a | 57.43 | a | 66.25 | b | 64.45 | 67.27 | 61.83 | 55.55 | 41.74 | a | 36.10 | b | 51.86 | |||||||
1988 | 35.05 | 40.38 | 43.81 | 50.22 | a | 53.32 | 60.63 | 69.30 | a | 67.74 | 60.78 | a | 54.87 | 40.00 | b | 35.45 | 50.96 | |||||||||
1989 | 34.08 | 32.79 | 41.93 | a | 52.02 | a | 53.69 | b | 62.84 | a | 64.68 | a | 64.66 | 59.38 | a | 48.29 | 39.78 | a | 35.79 | 49.16 | ||||||
1990 | 37.27 | 34.54 | 44.15 | a | 53.77 | b | 52.88 | a | 61.28 | 69.90 | 67.77 | 63.00 | 47.58 | a | 40.23 | b | 30.36 | c | 50.23 | |||||||
1991 | 33.76 | 43.30 | 41.02 | 45.17 | a | 51.45 | b | 58.22 | 69.25 | a | 68.63 | 64.77 | 52.11 | 43.43 | 37.47 | a | 50.71 | |||||||||
1992 | 37.71 | 43.10 | 47.37 | 52.10 | a | 61.98 | 64.91 | a | 68.33 | a | 69.37 | a | 60.79 | b | 50.27 | a | 39.62 | 33.23 | 52.40 | |||||||
1993 | 32.23 | 35.54 | a | 45.27 | a | 46.91 | b | 57.39 | 59.35 | c | 61.47 | b | 65.16 | b | 62.18 | 53.66 | 37.23 | 36.97 | 49.45 | |||||||
1994 | 38.95 | b | 37.62 | 45.82 | a | 50.42 | 57.73 | 60.86 | b | 69.29 | 65.53 | 62.95 | b | 48.58 | a | 34.66 | a | 33.79 | 50.52 | |||||||
1995 | 40.68 | 42.64 | 42.48 | 46.76 | a | 55.58 | 59.87 | 66.98 | b | 64.47 | b | 63.10 | 48.55 | 45.25 | 39.48 | 51.32 | ||||||||||
1996 | 36.61 | 38.72 | 44.19 | 49.47 | a | 52.90 | 60.62 | 71.33 | b | 68.62 | a | 57.72 | 48.95 | 42.15 | 36.81 | 50.67 | ||||||||||
1997 | 35.89 | 39.66 | 43.41 | b | 47.80 | 60.80 | c | 59.64 | a | 66.83 | b | 68.15 | 59.93 | 48.42 | 43.41 | a | 34.23 | 50.68 | ||||||||
1998 | 39.82 | 41.09 | 43.55 | 48.82 | 51.45 | a | 61.91 | c | 70.89 | 69.21 | 63.75 | 48.50 | a | 41.72 | 33.36 | c | 51.17 | |||||||||
1999 | 35.05 | 36.46 | 40.75 | a | 46.46 | c | 52.08 | a | 59.84 | a | 66.36 | c | 66.97 | b | 61.02 | a | 51.27 | a | 44.95 | 35.90 | 49.76 | |||||
2000 | 35.32 | 40.96 | a | 41.95 | b | 51.66 | a | 55.07 | a | 63.90 | a | 65.88 | a | 66.74 | 59.70 | 49.73 | 36.26 | a | 35.93 | a | 50.26 | |||||
2001 | 36.43 | a | 38.11 | 44.89 | 45.96 | b | 59.67 | a | 58.83 | d | 66.27 | a | 68.74 | 62.59 | a | 50.50 | a | 41.84 | a | 34.97 | b | 50.73 | ||||
2002 | 34.79 | 38.62 | 41.26 | b | 49.31 | c | 54.69 | b | 62.53 | a | 70.47 | b | 66.38 | a | 60.50 | a | 48.13 | 42.09 | b | 37.87 | a | 50.55 | ||||
2003 | 41.08 | 38.77 | 44.02 | b | 45.26 | a | 54.57 | c | 64.23 | b | 70.40 | a | 67.80 | a | 61.47 | a | 51.73 | a | 38.12 | 37.42 | a | 51.24 | ||||
2004 | 36.45 | 40.64 | 47.48 | 51.33 | 54.68 | 62.60 | a | 68.69 | 68.13 | 57.85 | 49.45 | 39.72 | 37.42 | 51.20 | ||||||||||||
2005 | 36.52 | 40.27 | 45.39 | 48.00 | 56.27 | 58.90 | 69.68 | 67.90 | a | 56.82 | 50.13 | 38.43 | 35.05 | 50.28 | ||||||||||||
2006 | 36.94 | 37.79 | 39.60 | a | 48.95 | 57.42 | 63.77 | 69.29 | 65.70 | a | 60.02 | 48.88 | a | 40.74 | a | 34.76 | 50.32 | |||||||||
2007 | 31.28 | a | 38.02 | 45.05 | 49.08 | 57.22 | b | 60.60 | 69.32 | a | 65.37 | 58.38 | 47.81 | 39.60 | 34.08 | a | 49.65 | |||||||||
2008 | 31.47 | 35.60 | 38.47 | 43.95 | 56.03 | 59.31 | a | 67.74 | 67.87 | 61.25 | 48.73 | 42.27 | 32.21 | 48.74 | ||||||||||||
2009 | 33.29 | 37.57 | 40.23 | 46.42 | 57.50 | 62.50 | 71.00 | 67.35 | 61.73 | 47.05 | 38.30 | 31.19 | 49.51 | |||||||||||||
2010 | 40.84 | 41.27 | 42.60 | 44.93 | 50.60 | 59.17 | 68.13 | 66.68 | 59.12 | 49.73 | 39.30 | 36.74 | 49.92 | |||||||||||||
2011 | 35.11 | 35.88 | 41.06 | 43.38 | 50.23 | 58.73 | 64.89 | 67.65 | 64.12 | 49.19 | 39.18 | 31.74 | 48.43 | |||||||||||||
2012 | 34.76 | 37.67 | 38.97 | 48.67 | 54.97 | 58.15 | 66.66 | 69.02 | 62.23 | 49.97 | 42.55 | 35.10 | 49.89 | |||||||||||||
2013 | 31.63 | 37.07 | 44.29 | 49.12 | a | 57.24 | 62.35 | 70.58 | 67.26 | 59.40 | 46.02 | 39.80 | 30.21 | 49.58 | ||||||||||||
2014 | 36.47 | 40.80 | 45.37 | 50.62 | 57.61 | 61.03 | 71.52 | 68.39 | 62.52 | 52.32 | 42.57 | 40.42 | 52.47 | |||||||||||||
2015 | 38.37 | 43.14 | 48.00 | 49.20 | 57.42 | 67.75 | 69.68 | 68.39 | 59.08 | 54.65 | 38.55 | 35.76 | 52.50 | |||||||||||||
2016 | 36.10 | 42.62 | 44.55 | 54.13 | 58.89 | 63.45 | 66.24 | 67.95 | 58.05 | 49.55 | 44.42 | 32.34 | 51.52 | |||||||||||||
2017 | 31.71 | 39.20 | 43.00 | 46.67 | 57.87 | a | 63.50 | a | 70.35 | a | 68.30 | a | 58.63 | 47.08 | 41.48 | 34.48 | 50.19 | |||||||||
2018 | 40.08 | 36.70 | 41.73 | 49.25 | 59.21 | 61.88 | 69.74 | 67.65 | 57.75 | 50.29 | 40.65 | 35.65 | 50.88 | |||||||||||||
2019 | 37.40 | 32.71 | 41.32 | 50.85 | 57.53 | 63.38 | 67.81 | 69.23 | 57.93 | 45.13 | 40.07 | 36.39 | 49.98 | |||||||||||||
2020 | 37.08 | 37.48 | 42.29 | 51.98 | 57.53 | 62.57 | 68.39 | 68.60 | 62.73 | h | 50.60 | 39.03 | 36.23 | 50.16 | a | |||||||||||
2021 | 37.06 | 37.86 | 42.13 | 51.62 | 57.02 | 67.82 | 71.47 | 67.37 | 59.48 | 48.82 | 41.95 | a | 35.32 | 51.49 | ||||||||||||
2022 | 33.47 | 37.12 | 45.61 | 44.40 | 52.15 | 61.75 | 71.48 | 71.29 | 62.42 | 53.11 | 36.45 | a | 34.21 | 50.29 | ||||||||||||
2023 | 36.03 | 34.70 | 36.60 | 46.28 | 59.06 | 63.32 | 69.53 | 69.10 | 59.08 | 50.40 | 41.47 | 39.44 | 50.42 | |||||||||||||
2024 | 38.66 | 40.83 | 41.26 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.25 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.90 | 39.19 | 42.97 | 48.29 | 55.65 | 62.03 | 68.36 | 67.49 | 60.83 | 50.30 | 40.89 | 35.77 | 50.65 | |||||||||||||
S.D. | 2.67 | 2.77 | 2.47 | 2.82 | 2.82 | 2.56 | 2.23 | 2.10 | 2.65 | 2.31 | 2.44 | 2.36 | 0.96 | |||||||||||||
SKEW | 0.31 | 0.00 | 0.11 | -0.18 | -0.06 | 0.26 | -0.70 | 0.44 | 0.17 | 0.36 | -0.33 | 0.04 | 0.06 | |||||||||||||
MAX | 41.44 | 45.41 | 49.18 | 54.13 | 61.98 | 67.82 | 71.53 | 73.73 | 66.80 | 55.55 | 45.25 | 42.13 | 53.34 | |||||||||||||
MIN | 30.68 | 32.71 | 36.60 | 41.81 | 50.23 | 57.08 | 61.47 | 62.67 | 55.03 | 45.13 | 34.57 | 30.21 | 48.43 | |||||||||||||
YRS | 71 | 72 | 72 | 71 | 70 | 71 | 71 | 71 | 70 | 70 | 71 | 71 | 67 |