YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.47 | a | 49.92 | 39.02 | 50.47 | i | ||
1954 | 42.60 | 50.46 | 49.50 | 64.50 | 64.31 | 77.30 | 81.32 | 79.10 | 74.28 | 63.26 | 50.50 | 42.77 | 61.66 | |||||||||||||
1955 | 38.78 | a | 40.45 | 50.39 | 62.25 | 69.97 | 75.78 | 78.52 | 77.63 | 71.37 | 60.77 | 48.02 | 43.85 | 59.81 | ||||||||||||
1956 | 40.52 | 38.35 | e | 51.50 | a | 58.12 | 72.35 | 80.17 | 79.89 | 77.15 | 72.90 | 62.89 | 46.43 | 44.40 | 60.39 | |||||||||||
1957 | 39.63 | 49.00 | 49.37 | 56.13 | 64.76 | 73.47 | 79.97 | 77.40 | 67.95 | 57.08 | 43.98 | 44.45 | 58.60 | |||||||||||||
1958 | 36.00 | 40.55 | 41.69 | 55.42 | 67.90 | 77.75 | 80.68 | 77.61 | 71.87 | 59.34 | 50.43 | 41.00 | 58.35 | |||||||||||||
1959 | 38.61 | 41.43 | 48.11 | 57.72 | 69.39 | 76.72 | 75.52 | 78.77 | 73.22 | 58.73 | 44.77 | 43.48 | 58.87 | |||||||||||||
1960 | 38.40 | 38.36 | 45.58 | 62.67 | 68.87 | 79.75 | 77.56 | 77.84 | 72.98 | 62.85 | 51.32 | 36.98 | 59.43 | |||||||||||||
1961 | 36.50 | 43.20 | 50.85 | 59.86 | a | 69.72 | a | 75.08 | 75.77 | 75.87 | 70.67 | 61.76 | 44.67 | 40.50 | 58.70 | |||||||||||
1962 | 33.72 | d | 48.91 | 46.52 | 59.88 | 73.95 | a | 76.22 | a | 80.22 | a | 79.37 | 72.64 | b | 64.03 | a | 52.45 | 43.50 | 60.95 | |||||||
1963 | 33.20 | a | 44.21 | 52.45 | 66.12 | a | 70.50 | 74.45 | j | 80.98 | 79.16 | 74.38 | 65.78 | b | 51.37 | 38.02 | a | 59.65 | a | |||||||
1964 | 39.68 | 32.64 | 48.74 | 61.07 | 71.29 | 77.02 | b | 81.19 | ----- | z | ----- | z | ----- | z | ----- | z | 42.42 | 56.76 | d | |||||||
1965 | 43.02 | a | 38.66 | 42.89 | 63.72 | 71.44 | 78.28 | 82.37 | 78.94 | 72.95 | 62.27 | 55.98 | 44.84 | 61.28 | ||||||||||||
1966 | 33.45 | 38.84 | ----- | z | 58.24 | a | 67.39 | 76.43 | 81.82 | 74.68 | 70.62 | 58.45 | 53.68 | 39.00 | 59.33 | a | ||||||||||
1967 | 39.98 | a | 43.18 | 56.71 | 65.13 | 67.02 | 76.57 | 78.32 | 75.19 | 68.47 | 61.35 | 49.88 | 37.82 | 59.97 | ||||||||||||
1968 | 39.47 | 39.79 | a | 50.40 | 56.15 | 66.97 | 75.00 | 76.10 | 76.26 | 68.07 | 63.10 | 48.05 | 41.77 | 58.43 | ||||||||||||
1969 | 44.48 | 43.88 | 41.31 | 61.07 | 67.47 | 75.72 | 80.81 | 79.11 | 69.67 | 56.87 | 48.55 | 44.47 | 59.45 | |||||||||||||
1970 | 38.02 | 44.04 | 45.35 | 58.60 | 66.79 | 73.98 | 78.92 | 77.89 | 70.22 | 56.87 | 48.70 | 45.81 | 58.77 | |||||||||||||
1971 | 41.82 | 41.96 | 50.05 | 58.53 | 67.11 | 76.95 | 78.45 | 72.23 | 68.93 | 60.55 | 50.98 | 43.15 | 59.23 | |||||||||||||
1972 | 41.08 | 44.86 | 56.35 | 64.02 | 66.03 | 74.93 | 74.98 | 73.60 | 71.30 | 59.89 | 42.62 | 39.10 | 59.06 | |||||||||||||
1973 | 35.48 | 40.54 | 51.34 | 54.28 | 66.26 | 74.03 | 75.26 | 77.32 | 70.83 | 64.47 | 53.57 | 43.18 | 58.88 | |||||||||||||
1974 | 40.61 | 45.27 | 57.89 | 62.10 | 72.29 | 76.87 | 80.37 | 74.58 | 63.33 | 59.85 | 48.08 | 39.58 | 60.07 | |||||||||||||
1975 | 40.31 | 41.34 | 48.65 | 56.55 | 66.84 | 75.62 | 74.24 | 75.58 | 65.85 | 60.52 | 49.13 | 42.27 | 58.07 | |||||||||||||
1976 | 39.94 | 51.95 | 51.74 | 61.83 | 65.03 | 74.90 | 72.56 | 77.13 | 70.17 | 54.65 | 43.17 | 41.18 | 58.69 | |||||||||||||
1977 | 34.37 | 46.05 | 50.55 | 58.97 | 72.35 | 78.91 | b | 80.26 | 80.66 | 76.25 | 63.19 | 51.57 | 44.85 | 61.50 | ||||||||||||
1978 | 33.85 | 36.02 | 51.50 | 64.24 | a | 69.21 | 77.07 | 81.50 | 77.74 | 72.03 | 61.77 | 50.22 | 39.47 | 59.55 | ||||||||||||
1979 | 32.27 | 42.02 | 50.68 | 60.27 | 66.16 | 73.65 | 79.40 | 75.27 | 72.35 | 63.90 | b | 45.10 | 42.87 | 58.66 | ||||||||||||
1980 | 40.65 | 43.60 | 49.15 | 57.35 | 67.55 | 80.55 | 82.57 | a | 79.53 | 72.15 | 60.15 | 46.60 | 45.58 | 60.45 | ||||||||||||
1981 | 42.61 | 45.70 | 50.39 | 62.88 | 68.06 | 77.60 | 80.03 | 76.40 | 71.87 | 61.32 | 53.97 | 45.71 | 61.38 | |||||||||||||
1982 | 39.45 | a | 42.80 | a | 52.31 | 58.85 | 66.93 | a | 74.12 | b | 80.23 | 80.60 | 74.45 | 61.13 | 49.19 | a | 40.06 | 60.01 | ||||||||
1983 | 37.07 | a | 44.79 | 51.66 | 55.04 | b | 67.29 | 74.26 | a | 80.60 | a | 80.47 | a | 74.70 | 64.39 | 51.91 | a | 32.25 | a | 59.53 | ||||||
1984 | 38.15 | 45.72 | 50.07 | a | 58.05 | 70.37 | 76.80 | 78.45 | a | 77.02 | 68.48 | 57.98 | a | 49.68 | 44.79 | 59.63 | ||||||||||
1985 | 37.26 | 41.70 | 54.12 | a | 63.48 | 70.97 | 75.13 | 79.13 | 80.60 | 69.60 | d | 60.45 | 51.26 | a | 39.37 | 60.25 | ||||||||||
1986 | 44.68 | 46.95 | 55.71 | 63.88 | b | 69.11 | 74.41 | a | 79.71 | 77.48 | 71.50 | b | 60.19 | 47.90 | a | 40.50 | 61.00 | |||||||||
1987 | 40.00 | 45.45 | 47.11 | 57.97 | 67.73 | 75.13 | 78.11 | 77.68 | a | 69.97 | 62.73 | 50.32 | 40.82 | 59.42 | ||||||||||||
1988 | 36.45 | 43.22 | 50.16 | 58.50 | 67.02 | 75.95 | 77.16 | 77.79 | 71.05 | 62.47 | a | 52.97 | 41.77 | 59.54 | ||||||||||||
1989 | 44.48 | 40.44 | a | 53.76 | 63.50 | a | 72.05 | 74.03 | 79.13 | 76.66 | 67.84 | a | 63.79 | 51.20 | 35.82 | 60.23 | ||||||||||
1990 | 43.32 | a | 46.87 | a | 50.63 | 59.83 | a | 67.33 | a | 82.17 | a | 76.05 | 75.50 | 72.76 | a | 60.95 | 53.50 | 39.73 | 60.72 | |||||||
1991 | 37.89 | 48.22 | a | 54.02 | a | 61.65 | 72.02 | 76.58 | 76.94 | 76.55 | 67.07 | 61.98 | 44.06 | c | 42.15 | 59.93 | ||||||||||
1992 | 39.11 | 47.76 | 54.60 | 60.88 | a | 66.50 | a | 74.02 | 78.66 | 73.84 | 71.00 | 62.71 | 46.72 | 42.02 | 59.82 | |||||||||||
1993 | 39.03 | a | 41.57 | 49.52 | a | 58.48 | a | 68.00 | a | 76.58 | 80.55 | a | 78.82 | 69.90 | 59.11 | 44.79 | a | 43.06 | 59.12 | |||||||
1994 | 40.44 | 42.23 | 52.03 | a | 59.15 | 67.48 | a | 80.57 | 80.73 | 78.30 | a | 71.53 | 62.24 | 50.45 | a | 45.63 | a | 60.90 | ||||||||
1995 | 41.90 | 48.20 | 50.02 | a | 57.81 | a | 67.27 | 75.43 | 80.35 | 77.68 | 70.39 | b | 61.13 | 51.52 | 42.97 | 60.39 | ||||||||||
1996 | 40.76 | 46.81 | 47.08 | a | 59.27 | 75.10 | 77.71 | b | 78.94 | 76.37 | 69.05 | 60.95 | 49.87 | 44.40 | 60.53 | |||||||||||
1997 | 38.73 | 41.78 | a | 54.25 | a | 54.25 | 67.02 | a | 73.93 | 78.92 | 78.67 | b | 74.47 | 61.68 | 47.50 | 38.63 | 59.15 | |||||||||
1998 | 45.00 | 44.98 | 48.23 | 57.53 | a | 73.27 | 80.67 | 83.40 | 77.39 | 76.45 | 64.92 | 52.41 | a | 43.27 | a | 62.29 | ||||||||||
1999 | 44.79 | 50.73 | 50.74 | 59.98 | a | 67.48 | 75.30 | 79.56 | 81.70 | a | 71.10 | 61.19 | 55.48 | 42.65 | 61.73 | |||||||||||
2000 | 45.00 | b | 51.24 | 54.44 | 61.53 | a | 73.27 | a | 75.12 | 80.52 | 80.15 | 74.18 | 62.03 | 43.23 | 37.73 | a | 61.54 | |||||||||
2001 | 37.85 | 45.38 | 47.76 | 63.10 | 71.27 | a | 79.61 | b | 84.23 | 80.32 | 72.30 | 61.35 | a | 52.55 | a | 43.63 | 61.61 | |||||||||
2002 | 43.21 | 41.71 | 47.63 | a | 62.36 | a | 69.03 | a | 78.35 | 78.52 | 80.60 | 72.70 | 59.68 | 47.52 | 42.39 | 60.31 | ||||||||||
2003 | 42.62 | a | 42.52 | a | 53.32 | 62.57 | 70.52 | 74.32 | 80.87 | 80.94 | 70.25 | 65.48 | 51.15 | 44.05 | 61.55 | |||||||||||
2004 | 42.39 | 41.74 | 55.69 | 59.25 | 71.61 | 76.82 | 77.92 | 75.56 | 69.55 | 62.52 | 47.70 | 41.53 | 60.19 | |||||||||||||
2005 | 44.10 | 45.21 | 50.21 | 59.77 | 67.32 | a | 77.88 | 79.00 | b | 76.52 | 75.05 | 61.66 | 50.92 | e | 42.17 | a | 60.82 | |||||||||
2006 | 46.98 | 45.50 | b | 53.74 | b | 65.24 | a | 73.84 | 79.38 | 81.70 | f | 79.50 | 68.52 | 61.06 | 52.00 | 40.74 | 60.59 | a | ||||||||
2007 | 35.53 | 43.04 | 55.63 | 56.00 | 65.60 | 74.33 | a | 76.76 | 78.85 | 73.35 | 64.60 | 50.43 | 42.60 | 59.73 | ||||||||||||
2008 | 39.24 | 46.12 | a | 51.27 | 59.35 | 69.73 | 81.25 | 78.31 | 76.81 | 68.32 | 60.73 | 50.58 | 42.11 | 60.32 | ||||||||||||
2009 | 41.74 | 48.57 | 53.89 | 59.83 | 69.53 | 79.28 | 79.90 | 80.02 | 69.75 | 58.31 | 52.12 | 36.42 | 60.78 | |||||||||||||
2010 | 38.40 | 39.21 | 50.05 | 59.62 | 68.26 | 81.17 | 77.13 | 80.02 | 73.58 | 62.35 | 49.45 | 44.76 | 60.33 | |||||||||||||
2011 | 39.24 | 41.12 | 56.18 | 64.43 | 69.79 | 84.85 | 85.23 | 86.03 | 71.98 | 62.37 | 50.30 | 37.45 | 62.42 | |||||||||||||
2012 | 43.66 | 43.59 | 57.03 | 66.67 | 72.52 | 80.80 | 80.95 | 80.47 | 72.13 | 60.26 | 53.97 | 42.71 | 62.90 | |||||||||||||
2013 | 40.31 | 43.18 | 51.87 | 57.78 | 69.44 | 80.42 | 78.73 | 80.52 | 74.23 | 61.06 | 47.13 | 38.89 | 60.30 | |||||||||||||
2014 | 38.34 | 42.21 | 49.44 | 59.78 | 68.03 | 78.18 | 79.69 | 80.10 | 70.62 | 63.56 | 45.02 | 43.98 | 59.91 | |||||||||||||
2015 | 37.03 | 43.39 | 50.48 | 61.28 | 66.16 | 76.75 | 80.71 | 80.08 | 75.97 | 63.21 | 49.95 | 43.35 | 60.70 | |||||||||||||
2016 | 40.37 | 47.41 | 55.81 | 61.00 | 67.60 | 77.67 | 84.53 | 77.50 | 72.72 | 65.94 | 53.92 | 41.24 | 62.14 | |||||||||||||
2017 | 42.44 | 50.11 | 57.92 | 62.00 | 67.32 | 78.98 | 80.81 | 76.23 | 72.70 | 61.24 | 53.45 | 41.92 | 62.09 | |||||||||||||
2018 | 37.55 | 44.45 | 55.66 | 58.67 | 76.76 | 82.08 | 82.48 | 79.89 | 71.30 | 59.29 | 45.38 | 40.44 | 61.16 | |||||||||||||
2019 | 41.63 | 45.00 | 48.34 | 60.52 | 67.52 | 76.15 | 80.89 | 83.47 | 76.92 | 57.95 | 46.43 | 44.58 | 60.78 | |||||||||||||
2020 | 42.98 | 41.28 | 54.74 | 59.80 | 72.48 | 79.17 | 84.71 | 82.79 | 69.65 | 60.15 | 53.80 | 41.21 | 61.90 | |||||||||||||
2021 | 38.85 | 36.48 | 52.45 | 57.35 | 67.92 | 78.02 | 77.95 | 78.19 | 75.67 | 64.63 | 51.67 | 51.23 | 60.87 | |||||||||||||
2022 | 38.71 | 38.52 | 50.15 | 62.93 | 73.58 | 80.75 | 85.42 | 80.21 | 74.02 | 60.56 | 46.68 | 41.84 | 61.11 | |||||||||||||
2023 | 43.02 | 43.39 | 52.35 | 58.25 | 69.68 | 78.02 | 83.42 | 83.61 | 76.93 | 62.18 | 50.72 | 44.53 | 62.17 | |||||||||||||
2024 | 37.27 | 48.40 | 53.27 | 60.46 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.85 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.80 | 43.72 | 51.21 | 60.22 | 69.12 | 77.22 | 79.64 | 78.31 | 71.61 | 61.43 | 49.58 | 41.87 | 60.30 | |||||||||||||
S.D. | 3.21 | 3.79 | 3.56 | 2.86 | 2.67 | 2.51 | 2.57 | 2.47 | 2.67 | 2.24 | 3.19 | 2.90 | 1.14 | |||||||||||||
SKEW | -0.19 | -0.12 | -0.43 | 0.11 | 0.62 | 0.60 | -0.08 | 0.30 | -0.25 | -0.40 | -0.33 | -0.33 | 0.13 | |||||||||||||
MAX | 46.98 | 51.95 | 57.92 | 66.67 | 76.76 | 84.85 | 85.42 | 86.03 | 76.93 | 65.94 | 55.98 | 51.23 | 62.90 | |||||||||||||
MIN | 32.27 | 32.64 | 41.31 | 54.25 | 64.31 | 73.47 | 72.56 | 72.23 | 63.33 | 54.65 | 42.62 | 32.25 | 58.07 | |||||||||||||
YRS | 71 | 71 | 70 | 71 | 70 | 69 | 69 | 69 | 69 | 70 | 70 | 71 | 66 |