YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | 30.16 | 44.91 | 54.87 | 59.07 | 71.73 | 78.58 | 81.97 | 78.55 | 72.70 | 59.95 | 55.83 | 41.45 | 60.81 | |||||||||||||
1950 | 47.90 | 51.34 | 54.27 | 62.42 | 70.39 | 79.78 | 78.18 | 78.85 | 71.10 | 66.95 | 50.83 | 45.35 | 63.11 | |||||||||||||
1951 | 40.21 | 44.46 | 51.15 | a | 59.48 | 70.39 | 79.00 | 84.00 | 81.81 | 74.88 | 65.15 | 47.72 | 43.18 | a | 61.79 | |||||||||||
1952 | 47.84 | 46.50 | 49.74 | 60.10 | 69.65 | 81.80 | 79.55 | 83.40 | 72.35 | 60.74 | 45.57 | 41.56 | 61.57 | |||||||||||||
1953 | 48.74 | 43.45 | 57.08 | 60.83 | 68.13 | 83.28 | 83.16 | 80.40 | 74.23 | 61.65 | 50.22 | 37.34 | 62.38 | |||||||||||||
1954 | 44.56 | 51.89 | 52.89 | 66.40 | 69.26 | 79.87 | 83.87 | 80.47 | 76.75 | 63.60 | 52.28 | 43.18 | 63.75 | |||||||||||||
1955 | 40.26 | 42.66 | 53.13 | 62.87 | 70.13 | 77.28 | 78.47 | 79.87 | 74.72 | 62.74 | 50.20 | 45.24 | 61.46 | |||||||||||||
1956 | 44.27 | 39.71 | 54.34 | 59.73 | 73.24 | 82.08 | 81.84 | 79.52 | 75.67 | 65.53 | 46.55 | 44.24 | 62.23 | |||||||||||||
1957 | 43.08 | 53.07 | a | 52.56 | 58.42 | 67.79 | 79.28 | 83.16 | 80.81 | 72.22 | 59.39 | 45.33 | 45.29 | 61.70 | ||||||||||||
1958 | 40.63 | 45.78 | a | 46.15 | 58.57 | 71.45 | 81.98 | 83.58 | 81.50 | 71.64 | a | 59.87 | 50.50 | 42.16 | 61.15 | |||||||||||
1959 | 41.11 | 44.46 | 51.74 | 60.58 | 71.06 | 78.82 | 78.98 | 80.89 | 74.92 | 61.03 | 46.97 | 43.55 | 61.18 | |||||||||||||
1960 | 38.52 | 40.76 | 51.55 | 63.30 | 70.13 | 80.30 | 78.35 | 78.90 | 73.55 | 61.85 | 51.17 | 33.34 | 60.14 | |||||||||||||
1961 | 37.81 | 45.25 | 52.18 | 60.50 | 70.90 | 77.87 | 79.13 | 78.65 | 71.30 | 61.98 | 42.35 | 41.63 | 59.96 | |||||||||||||
1962 | 35.47 | 50.39 | 48.44 | 61.25 | 72.82 | 77.48 | 79.65 | 81.23 | 72.95 | 63.34 | 51.03 | 42.76 | 61.40 | |||||||||||||
1963 | 36.28 | b | 45.89 | 53.27 | 63.83 | 71.05 | 77.88 | a | 82.66 | 78.65 | 73.30 | 65.23 | 50.50 | 36.81 | 61.28 | |||||||||||
1964 | 36.97 | 36.64 | 50.00 | 60.08 | 70.79 | 79.03 | 83.35 | 80.82 | 72.86 | b | 62.82 | 49.60 | 41.00 | 60.33 | ||||||||||||
1965 | 44.47 | 41.02 | 45.63 | 62.35 | 69.56 | 77.77 | 82.60 | 77.90 | 71.62 | 61.79 | 54.52 | 43.77 | 61.08 | |||||||||||||
1966 | 32.85 | 40.39 | 53.13 | 60.15 | 69.95 | 76.27 | 84.03 | 75.85 | 71.48 | 58.37 | 51.53 | 39.98 | 59.50 | |||||||||||||
1967 | 41.66 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.66 | k | |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 39.45 | 39.45 | k | |
1973 | 38.98 | 43.52 | 52.31 | 54.50 | 66.16 | 75.23 | 78.81 | 77.58 | 69.63 | 61.40 | 51.03 | 41.85 | 59.25 | |||||||||||||
1974 | 40.40 | 43.29 | 57.60 | 61.20 | 73.50 | 79.18 | 80.02 | 74.45 | 64.43 | 59.18 | 47.43 | 39.52 | 60.02 | |||||||||||||
1975 | 41.24 | 42.23 | 49.85 | 56.53 | 65.84 | 76.72 | 77.00 | 78.24 | 68.47 | 62.48 | 49.48 | 43.34 | 59.29 | |||||||||||||
1976 | 40.35 | 53.26 | 54.11 | 63.65 | 68.65 | 79.28 | 78.63 | 80.21 | 71.18 | 56.19 | 42.72 | 39.31 | 60.63 | |||||||||||||
1977 | 38.56 | 48.18 | 52.02 | 62.27 | 73.34 | 81.55 | 84.13 | 82.98 | 78.38 | 64.02 | 53.13 | 47.03 | 63.80 | |||||||||||||
1978 | 35.97 | 43.61 | 55.61 | 66.20 | 72.37 | a | 79.23 | 83.34 | 77.94 | 69.22 | 60.34 | 49.00 | 37.19 | 60.83 | ||||||||||||
1979 | 34.81 | 43.61 | 50.44 | 60.57 | 67.45 | 75.08 | 80.98 | 76.44 | 72.22 | 63.74 | 44.60 | 40.56 | 59.21 | |||||||||||||
1980 | 39.82 | 44.53 | 51.11 | 57.62 | 67.94 | 83.50 | 85.32 | 78.65 | 71.57 | 57.89 | 43.80 | 43.92 | 60.47 | |||||||||||||
1981 | 41.60 | 46.14 | 51.68 | 63.42 | 68.44 | 79.02 | 79.84 | 75.61 | 69.87 | 59.84 | 53.65 | 45.27 | 61.20 | |||||||||||||
1982 | 38.84 | 42.68 | 53.39 | 60.47 | 67.92 | 76.62 | 80.87 | 80.47 | 73.55 | 59.39 | 47.00 | 37.82 | 59.92 | |||||||||||||
1983 | 38.92 | 45.46 | 52.76 | 54.70 | 66.24 | 76.50 | 81.56 | 81.39 | 76.08 | 62.90 | 51.78 | 35.11 | 60.28 | |||||||||||||
1984 | 38.47 | 46.48 | 51.73 | 60.13 | 72.45 | 75.80 | 79.03 | 76.21 | 69.28 | 57.66 | 48.45 | 42.05 | 59.81 | |||||||||||||
1985 | 36.94 | 43.16 | 54.25 | a | 63.42 | 70.10 | 75.78 | 79.42 | 80.40 | 70.68 | 61.13 | 53.20 | 40.23 | 60.73 | ||||||||||||
1986 | 44.08 | 46.79 | 56.18 | 64.58 | 69.73 | a | 75.82 | 79.18 | 78.60 | 72.12 | 59.31 | 45.98 | 39.94 | 61.02 | ||||||||||||
1987 | 39.69 | 44.89 | 49.10 | 57.28 | 67.42 | 75.77 | 80.16 | 78.66 | 70.53 | 63.82 | 48.97 | 39.29 | 59.63 | |||||||||||||
1988 | 37.52 | 44.43 | 51.31 | 59.68 | 68.15 | 77.45 | 78.61 | 78.71 | 72.15 | 63.92 | 53.30 | 40.61 | 60.49 | |||||||||||||
1989 | 43.05 | 43.79 | 56.53 | 65.58 | 74.27 | 78.43 | 81.60 | 79.55 | 71.90 | a | 63.24 | 51.28 | 37.21 | 62.20 | ||||||||||||
1990 | 42.42 | 46.96 | 53.02 | 62.72 | 70.50 | 84.98 | 79.92 | 77.71 | 74.62 | 63.32 | a | 52.52 | 41.71 | 62.53 | ||||||||||||
1991 | 39.79 | 49.55 | 55.23 | 64.12 | 74.15 | 79.82 | 78.61 | 78.27 | 68.03 | 61.71 | 46.38 | 41.53 | 61.43 | |||||||||||||
1992 | 38.35 | 47.19 | 54.19 | 62.73 | 67.00 | 75.35 | 80.58 | 78.87 | 74.17 | 64.40 | 45.90 | 41.05 | 60.82 | |||||||||||||
1993 | 42.24 | 45.55 | 53.81 | 62.30 | 70.13 | 79.88 | 82.98 | 79.74 | 72.33 | 59.29 | 45.40 | 42.19 | 61.32 | |||||||||||||
1994 | 41.18 | 44.79 | 54.03 | 61.55 | 70.11 | 83.60 | 83.68 | 82.24 | 73.72 | 62.40 | 51.12 | 46.02 | 62.87 | |||||||||||||
1995 | 43.84 | 52.11 | 53.80 | a | 60.33 | 70.45 | 77.37 | 82.79 | 82.34 | 71.87 | 63.69 | 53.35 | 44.05 | 63.00 | ||||||||||||
1996 | 42.60 | 49.50 | 50.65 | 62.25 | 78.92 | 81.30 | 82.06 | 78.47 | 70.80 | 61.03 | 49.78 | 44.69 | 62.67 | |||||||||||||
1997 | 38.69 | 41.30 | 54.50 | 55.60 | 68.13 | 76.47 | 80.91 | b | 79.06 | 74.10 | 60.42 | 46.52 | 33.42 | 59.09 | ||||||||||||
1998 | 38.69 | 45.16 | 50.06 | 56.65 | 72.45 | 80.22 | 83.00 | 78.00 | 77.43 | 62.97 | 51.72 | 42.02 | 61.53 | |||||||||||||
1999 | 45.34 | 49.95 | 53.05 | 59.60 | 67.32 | 75.62 | 79.55 | 80.61 | 71.67 | 61.16 | 53.70 | 40.11 | 61.47 | |||||||||||||
2000 | 43.85 | 51.43 | 53.71 | 63.80 | 75.84 | 77.87 | 82.85 | 81.37 | 75.80 | 60.94 | 43.47 | 38.29 | 62.43 | |||||||||||||
2001 | 36.87 | 47.11 | 50.73 | 63.05 | 71.16 | 80.52 | 84.23 | 79.74 | 74.23 | 63.82 | 51.55 | 41.06 | 62.01 | |||||||||||||
2002 | 43.18 | 44.02 | 50.32 | 65.53 | 71.97 | 81.07 | 80.68 | 81.66 | 73.58 | 58.81 | 48.10 | 40.77 | 61.64 | |||||||||||||
2003 | 43.90 | 46.75 | 55.05 | 63.57 | 72.44 | 77.02 | 82.47 | 80.26 | 73.62 | 64.97 | 52.02 | 42.06 | 62.84 | |||||||||||||
2004 | 43.56 | 42.43 | 56.82 | 59.88 | 71.92 | 77.72 | 79.05 | 76.60 | 71.17 | 61.10 | 47.00 | 39.84 | 60.59 | |||||||||||||
2005 | 45.00 | 46.27 | 50.65 | 58.67 | 68.92 | 79.97 | 82.13 | 77.71 | 75.57 | 61.29 | 51.70 | 42.03 | 61.66 | |||||||||||||
2006 | 45.90 | 46.43 | 54.48 | 66.67 | 75.05 | 81.05 | 82.66 | 78.15 | 67.75 | 59.34 | 50.77 | 40.48 | 62.39 | |||||||||||||
2007 | 35.98 | 44.80 | 54.52 | 58.70 | 66.34 | 76.97 | 78.81 | 80.89 | 75.73 | 65.44 | 50.80 | 43.35 | 61.03 | |||||||||||||
2008 | 40.06 | 49.71 | 54.48 | 61.17 | 70.69 | 81.80 | 78.92 | 77.68 | 69.77 | 60.73 | 49.98 | 41.56 | 61.38 | |||||||||||||
2009 | 42.27 | 48.84 | 55.29 | 60.73 | 71.10 | 79.82 | 81.24 | 80.02 | 71.08 | 60.00 | 51.30 | 35.97 | 61.47 | |||||||||||||
2010 | 38.61 | 42.43 | 50.98 | 61.33 | 69.15 | 80.78 | 78.81 | 80.06 | 75.22 | 63.63 | 48.30 | 44.32 | 61.14 | |||||||||||||
2011 | 39.65 | 40.91 | 57.82 | 66.65 | 69.92 | 82.75 | 84.66 | 86.11 | 73.43 | 63.39 | 50.48 | 34.48 | 62.52 | |||||||||||||
2012 | 45.05 | 45.02 | 56.61 | 66.73 | 72.18 | 83.05 | 82.50 | 82.68 | 73.47 | 62.45 | 53.65 | 42.34 | 63.81 | |||||||||||||
2013 | 40.44 | 45.34 | 54.53 | 61.48 | 71.39 | 83.13 | 79.76 | 81.66 | 73.92 | 60.32 | 48.30 | 39.52 | 61.65 | |||||||||||||
2014 | 40.53 | 46.68 | 52.50 | 61.35 | 70.13 | 80.77 | 80.81 | 79.34 | 70.98 | 63.52 | 45.98 | 42.63 | 61.27 | |||||||||||||
2015 | 37.63 | 45.75 | 53.27 | 60.73 | 66.84 | 78.28 | 82.35 | 82.55 | 78.25 | 63.95 | 48.92 | 41.47 | 61.67 | |||||||||||||
2016 | 39.31 | 48.22 | 55.84 | 60.78 | 67.84 | 80.67 | 86.47 | 78.58 | 72.37 | 66.15 | 53.23 | 41.11 | 62.55 | |||||||||||||
2017 | 43.89 | 51.12 | 60.16 | 63.52 | 70.08 | 81.60 | 82.92 | 79.00 | 74.37 | 62.32 | 55.42 | 42.84 | 63.94 | |||||||||||||
2018 | 40.35 | 47.64 | 56.77 | 63.02 | 76.60 | 83.20 | 83.55 | 81.95 | 73.52 | 61.58 | 47.32 | 41.55 | 63.09 | |||||||||||||
2019 | 42.71 | 47.89 | 52.18 | 64.28 | 70.71 | 79.27 | 84.98 | 86.47 | 79.00 | 60.02 | 49.40 | 45.27 | 63.52 | |||||||||||||
2020 | 45.27 | 46.25 | a | 57.26 | 63.53 | 75.23 | 82.37 | 87.60 | 84.90 | 72.33 | 62.90 | 54.93 | 42.95 | 64.63 | ||||||||||||
2021 | 42.05 | 43.93 | 55.23 | 61.68 | 72.73 | 81.55 | 79.11 | 80.02 | 76.42 | 65.60 | 53.70 | 50.55 | 63.55 | |||||||||||||
2022 | 40.68 | 41.55 | 53.27 | 66.30 | 76.03 | 82.72 | 86.74 | 81.05 | 76.63 | 62.40 | 47.62 | 44.23 | 63.27 | |||||||||||||
2023 | 44.92 | 46.52 | 56.10 | 62.25 | 73.03 | 82.88 | 88.15 | 86.15 | 79.85 | 65.73 | 53.48 | 46.26 | 65.44 | |||||||||||||
2024 | 41.63 | 50.36 | 56.00 | 63.50 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.87 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.82 | 45.77 | 53.27 | 61.55 | 70.65 | 79.43 | 81.60 | 79.91 | 72.99 | 62.02 | 49.73 | 41.48 | 61.59 | |||||||||||||
S.D. | 3.48 | 3.38 | 2.69 | 2.81 | 2.70 | 2.51 | 2.47 | 2.38 | 2.78 | 2.26 | 3.21 | 3.17 | 1.37 | |||||||||||||
SKEW | -0.24 | 0.14 | -0.29 | -0.28 | 0.54 | 0.08 | 0.46 | 0.57 | -0.04 | -0.10 | -0.30 | -0.33 | 0.37 | |||||||||||||
MAX | 48.74 | 53.26 | 60.16 | 66.73 | 78.92 | 84.98 | 88.15 | 86.47 | 79.85 | 66.95 | 55.83 | 50.55 | 65.44 | |||||||||||||
MIN | 30.16 | 36.64 | 45.63 | 54.50 | 65.84 | 75.08 | 77.00 | 74.45 | 64.43 | 56.19 | 42.35 | 33.34 | 59.09 | |||||||||||||
YRS | 71 | 70 | 70 | 70 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 70 | 69 |