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 | 39.84 | 57.82 | 70.65 | 73.10 | 86.13 | 91.97 | 94.35 | 91.29 | 84.67 | 74.29 | 73.67 | 55.68 | 74.45 | |||||||||||||
1950 | 63.84 | 67.29 | 71.16 | 78.03 | 86.42 | 93.97 | 89.71 | 93.32 | 83.43 | 83.68 | 68.83 | 62.65 | 78.53 | |||||||||||||
1951 | 56.74 | 60.61 | 65.94 | 74.70 | 85.94 | 94.60 | 97.48 | 94.81 | 90.37 | 79.77 | 63.37 | 57.26 | 76.80 | |||||||||||||
1952 | 62.87 | 61.59 | 64.19 | 73.53 | 84.77 | 96.03 | 92.39 | 97.29 | 85.73 | 78.13 | 57.57 | 56.45 | 75.88 | |||||||||||||
1953 | 64.90 | 58.75 | 72.06 | 76.13 | 83.16 | 98.37 | 96.10 | 94.16 | 90.70 | 76.52 | 65.23 | 51.52 | 77.30 | |||||||||||||
1954 | 60.13 | 68.86 | 67.06 | 82.37 | 83.10 | 94.40 | 97.48 | 92.35 | 89.93 | 76.48 | 67.33 | 57.71 | 78.10 | |||||||||||||
1955 | 52.06 | 59.04 | 68.97 | 78.57 | 84.65 | 91.83 | 89.87 | 91.90 | 88.27 | 77.48 | 64.77 | 60.29 | 75.64 | |||||||||||||
1956 | 58.16 | 53.10 | 71.00 | 75.00 | 89.35 | 96.23 | 94.45 | 92.81 | 91.50 | 80.81 | 62.50 | 59.74 | 77.05 | |||||||||||||
1957 | 55.71 | 65.44 | a | 65.97 | 72.27 | 81.16 | 93.57 | 96.45 | 92.94 | 86.40 | 68.90 | 55.13 | 59.48 | 74.45 | ||||||||||||
1958 | 52.42 | 58.07 | a | 56.10 | 71.17 | 85.32 | 95.73 | 97.00 | 94.19 | 81.79 | a | 69.94 | 64.63 | 57.55 | 73.66 | |||||||||||
1959 | 56.87 | 57.43 | 68.00 | 74.50 | 84.81 | 92.37 | 91.65 | 93.03 | 89.73 | 75.42 | 62.40 | 55.13 | 75.11 | |||||||||||||
1960 | 50.65 | 53.86 | 66.26 | 79.67 | 85.97 | 94.50 | 89.87 | 91.26 | 87.10 | 75.55 | 64.53 | 42.52 | 73.48 | |||||||||||||
1961 | 51.71 | 60.57 | 66.06 | 76.47 | 86.42 | 92.23 | 91.74 | 90.42 | 84.43 | 77.61 | 52.20 | 54.61 | 73.71 | |||||||||||||
1962 | 49.23 | 65.93 | 62.42 | 76.50 | 89.26 | 91.60 | 91.52 | 95.00 | 83.57 | 76.19 | 64.77 | 55.42 | 75.12 | |||||||||||||
1963 | 53.10 | b | 60.50 | 68.84 | 78.53 | 84.87 | 91.62 | a | 95.10 | 89.55 | 85.07 | 79.97 | 64.97 | 49.68 | 75.15 | |||||||||||
1964 | 53.03 | 50.17 | 65.32 | 75.73 | 85.45 | 93.97 | 95.77 | 92.84 | 83.38 | a | 77.55 | 63.17 | 54.03 | 74.20 | ||||||||||||
1965 | 58.58 | 55.50 | 59.81 | 77.13 | 83.19 | 91.00 | 94.74 | 88.74 | 83.40 | 77.13 | 67.60 | 55.74 | 74.38 | |||||||||||||
1966 | 45.03 | 54.46 | 68.35 | 73.23 | 82.77 | 88.33 | 96.55 | 86.23 | 82.27 | 73.77 | 66.67 | 55.03 | 72.73 | |||||||||||||
1967 | 58.81 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.81 | 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 | 54.23 | 54.23 | k | |
1973 | 50.45 | 55.86 | 65.77 | 70.57 | 80.97 | 90.97 | 91.42 | 92.06 | 82.67 | 78.68 | 68.67 | 60.00 | 74.01 | |||||||||||||
1974 | 55.90 | 61.61 | 75.61 | 76.53 | 88.61 | 94.97 | 92.94 | 85.94 | 75.13 | 70.35 | 60.17 | 52.13 | 74.16 | |||||||||||||
1975 | 55.77 | 56.50 | 64.90 | 72.70 | 82.39 | 92.83 | 88.06 | 91.45 | 80.77 | 78.94 | 67.00 | 59.81 | 74.26 | |||||||||||||
1976 | 56.03 | 69.83 | 69.68 | 77.90 | 82.42 | 93.37 | 90.13 | 93.06 | 82.93 | 70.32 | 56.53 | 56.06 | 74.86 | |||||||||||||
1977 | 52.45 | 62.96 | 68.16 | 76.67 | 87.55 | 96.13 | 97.39 | 94.97 | 92.17 | 77.45 | 68.93 | 62.94 | 78.15 | |||||||||||||
1978 | 47.61 | 55.68 | 71.10 | 82.33 | 87.33 | a | 92.67 | 96.16 | 89.87 | 79.80 | 74.13 | 58.73 | 50.68 | 73.84 | ||||||||||||
1979 | 45.45 | 59.21 | 65.58 | 75.80 | 81.19 | 89.40 | 93.61 | 88.97 | 85.70 | 80.45 | 58.87 | 54.58 | 73.23 | |||||||||||||
1980 | 51.48 | 58.48 | 66.74 | 73.57 | 82.06 | 99.27 | 98.97 | 90.58 | 82.50 | 71.65 | 56.70 | 58.48 | 74.21 | |||||||||||||
1981 | 53.97 | 63.00 | 64.97 | 78.47 | 81.90 | 94.30 | 92.45 | 87.26 | 82.07 | 72.13 | 69.70 | 61.52 | 75.14 | |||||||||||||
1982 | 53.52 | 56.61 | 69.00 | 74.33 | 82.77 | 91.27 | 93.74 | 92.90 | 85.83 | 73.87 | 58.83 | 48.03 | 73.39 | |||||||||||||
1983 | 51.61 | 58.96 | 66.87 | 69.53 | 82.06 | 91.30 | 94.39 | 94.03 | 88.80 | 74.16 | 64.30 | 47.35 | 73.62 | |||||||||||||
1984 | 50.45 | 61.69 | 66.84 | 75.90 | 86.13 | 87.43 | 90.81 | 86.77 | 82.03 | 69.39 | 61.07 | 53.13 | 72.64 | |||||||||||||
1985 | 49.42 | 57.71 | 68.83 | a | 78.43 | 83.97 | 89.53 | 92.84 | 93.29 | 82.37 | 73.61 | 68.43 | 57.00 | 74.62 | ||||||||||||
1986 | 60.81 | 60.61 | 72.52 | 80.67 | 85.17 | a | 88.67 | 92.39 | 90.87 | 85.03 | 71.61 | 59.27 | 51.00 | 74.88 | ||||||||||||
1987 | 54.90 | 58.07 | 64.35 | 73.57 | 81.68 | 89.87 | 94.61 | 91.45 | 84.47 | 79.29 | 64.30 | 54.13 | 74.22 | |||||||||||||
1988 | 51.16 | 59.59 | 69.26 | 76.23 | 83.42 | 91.97 | 91.74 | 90.42 | 87.23 | 79.39 | 70.13 | 54.84 | 75.45 | |||||||||||||
1989 | 59.48 | 57.29 | 74.61 | 82.40 | 90.45 | 93.73 | 95.00 | 92.19 | 86.28 | a | 79.77 | 68.00 | 52.81 | 77.67 | ||||||||||||
1990 | 58.97 | 63.54 | 66.68 | 76.70 | 84.74 | 100.57 | 92.00 | 91.00 | 86.00 | 79.57 | a | 67.30 | 56.71 | 76.98 | ||||||||||||
1991 | 51.39 | 63.64 | 70.06 | 80.10 | 89.81 | 94.40 | 89.94 | 90.13 | 79.10 | 78.10 | 59.30 | 52.94 | 74.91 | |||||||||||||
1992 | 50.48 | 61.66 | 70.58 | 79.40 | 80.00 | 90.77 | 95.13 | 92.68 | 89.60 | 80.26 | 61.33 | 54.84 | 75.56 | |||||||||||||
1993 | 53.90 | 59.18 | 70.06 | 78.23 | 86.13 | 95.50 | 96.61 | 93.52 | 88.17 | 75.48 | 61.83 | 58.48 | 76.43 | |||||||||||||
1994 | 57.65 | 62.21 | 69.65 | 78.03 | 83.77 | 99.63 | 98.35 | 95.90 | 88.50 | 76.29 | 64.47 | 59.94 | 77.87 | |||||||||||||
1995 | 57.42 | 67.68 | 68.63 | a | 76.70 | 84.77 | 92.27 | 97.71 | 95.58 | 84.03 | 80.58 | 69.63 | 57.65 | 77.72 | ||||||||||||
1996 | 59.00 | 64.14 | 67.58 | 79.07 | 95.87 | 95.77 | 94.84 | 90.61 | 84.10 | 76.26 | 66.07 | 62.68 | 78.00 | |||||||||||||
1997 | 52.68 | 52.86 | 71.71 | 69.53 | 81.90 | 92.20 | 95.77 | a | 92.58 | 87.57 | 75.10 | 61.17 | 46.52 | 73.30 | ||||||||||||
1998 | 53.23 | 59.00 | 66.06 | 74.00 | 91.71 | 99.30 | 97.23 | 91.61 | 92.10 | 76.03 | 66.47 | 56.10 | 76.90 | |||||||||||||
1999 | 61.94 | 68.61 | 68.00 | 75.80 | 83.10 | 90.30 | 92.65 | 94.77 | 85.33 | 78.52 | 71.90 | 55.74 | 77.22 | |||||||||||||
2000 | 61.29 | 70.00 | 70.74 | 80.40 | 93.68 | 91.17 | 97.06 | 96.42 | 92.33 | 73.06 | 55.60 | 51.26 | 77.75 | |||||||||||||
2001 | 49.39 | 63.32 | 63.03 | 80.73 | 86.84 | 96.20 | 98.84 | 93.58 | 89.20 | 80.39 | 64.20 | 56.84 | 76.88 | |||||||||||||
2002 | 58.35 | 59.54 | 67.42 | 81.20 | 88.97 | 96.57 | 93.48 | 95.74 | 87.37 | 69.55 | 62.00 | 53.10 | 76.11 | |||||||||||||
2003 | 60.23 | 60.82 | 71.74 | 81.07 | 89.19 | 91.60 | 97.32 | 93.65 | 87.50 | 79.45 | 65.50 | 58.42 | 78.04 | |||||||||||||
2004 | 57.55 | 56.10 | 70.45 | 72.43 | 88.00 | 92.63 | 92.06 | 89.03 | 84.07 | 72.90 | 57.90 | 52.84 | 73.83 | |||||||||||||
2005 | 58.39 | 56.75 | 65.42 | 76.57 | 83.77 | 97.27 | 97.06 | 89.74 | 90.23 | 74.39 | 69.90 | 58.45 | 76.50 | |||||||||||||
2006 | 63.65 | 63.00 | 69.94 | 83.83 | 92.00 | 96.73 | 95.55 | 88.68 | 80.00 | 73.48 | 68.70 | 55.55 | 77.59 | |||||||||||||
2007 | 47.77 | 61.11 | 70.29 | 74.50 | 79.55 | 91.80 | 91.74 | 94.42 | 89.63 | 82.65 | 66.60 | 58.00 | 75.67 | |||||||||||||
2008 | 55.61 | 68.03 | 72.19 | 79.80 | 87.06 | 98.23 | 90.39 | 89.84 | 82.90 | 76.81 | 66.83 | 59.35 | 77.25 | |||||||||||||
2009 | 61.58 | 67.93 | 72.00 | 78.47 | 86.45 | 95.10 | 95.03 | 94.19 | 84.93 | 74.90 | 67.97 | 48.52 | 77.26 | |||||||||||||
2010 | 53.68 | 55.57 | 67.03 | 76.93 | 86.39 | 97.13 | 90.45 | 94.52 | 89.27 | 79.45 | 67.07 | 60.94 | 76.54 | |||||||||||||
2011 | 59.10 | 59.93 | 78.16 | 85.13 | 88.06 | 102.00 | 99.45 | 100.94 | 88.07 | 80.10 | 66.93 | 44.10 | 79.33 | |||||||||||||
2012 | 62.42 | 60.69 | 76.65 | 84.77 | 88.45 | 100.23 | 96.32 | 97.23 | 88.23 | 78.39 | 70.87 | 58.97 | 80.27 | |||||||||||||
2013 | 54.48 | 62.11 | 72.55 | 79.13 | 87.87 | 99.17 | 91.35 | 95.35 | 86.27 | 76.65 | 62.40 | 53.52 | 76.74 | |||||||||||||
2014 | 58.68 | 62.61 | 70.13 | 77.93 | 86.81 | 96.00 | 94.16 | 92.00 | 80.67 | 78.77 | 61.73 | 56.65 | 76.34 | |||||||||||||
2015 | 50.13 | 61.32 | 68.48 | 77.27 | 81.77 | 93.03 | 97.26 | 97.84 | 93.07 | 76.32 | 64.20 | 58.35 | 76.59 | |||||||||||||
2016 | 53.58 | 66.45 | 73.65 | 77.83 | 83.90 | 97.37 | 102.94 | 91.10 | 85.07 | 84.00 | 66.87 | 56.71 | 78.29 | |||||||||||||
2017 | 59.10 | 69.79 | 78.87 | 79.90 | 86.94 | 98.47 | 96.97 | 91.39 | 88.07 | 77.06 | 70.93 | 59.39 | 79.74 | |||||||||||||
2018 | 58.45 | 64.79 | 73.84 | 81.67 | 94.77 | 99.20 | 96.90 | 96.13 | 86.77 | 72.42 | 61.90 | 53.10 | 78.33 | |||||||||||||
2019 | 57.74 | 65.21 | 66.90 | 80.93 | 86.52 | 94.40 | 99.84 | 100.61 | 92.47 | 74.61 | 62.77 | 59.06 | 78.42 | |||||||||||||
2020 | 60.13 | 60.54 | a | 69.94 | 80.47 | 92.68 | 99.07 | 102.19 | 100.16 | 88.00 | 80.71 | 70.13 | 59.84 | 80.32 | ||||||||||||
2021 | 56.42 | 59.89 | 72.00 | 76.43 | 87.52 | 95.50 | 90.23 | 92.87 | 91.47 | 83.00 | 70.43 | 67.84 | 78.63 | |||||||||||||
2022 | 57.81 | 59.46 | 71.13 | 84.17 | 94.45 | 97.13 | 100.74 | 92.39 | 90.90 | 74.45 | 60.63 | 57.68 | 78.41 | |||||||||||||
2023 | 59.39 | 62.71 | 72.65 | 79.63 | 88.61 | 99.63 | 103.45 | 100.39 | 94.37 | 79.52 | 66.80 | 60.68 | 80.65 | |||||||||||||
2024 | 55.45 | 64.93 | 70.45 | 79.90 | 87.91 | t | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.68 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 55.37 | 60.97 | 68.97 | 77.44 | 86.01 | 94.44 | 94.78 | 92.82 | 86.27 | 76.57 | 64.45 | 55.86 | 76.15 | |||||||||||||
S.D. | 4.89 | 4.42 | 3.86 | 3.53 | 3.64 | 3.35 | 3.38 | 3.22 | 3.85 | 3.57 | 4.52 | 4.48 | 2.01 | |||||||||||||
SKEW | -0.47 | 0.14 | -0.21 | -0.08 | 0.66 | 0.16 | 0.34 | 0.39 | -0.18 | -0.21 | -0.42 | -0.54 | 0.22 | |||||||||||||
MAX | 64.90 | 70.00 | 78.87 | 85.13 | 95.87 | 102.00 | 103.45 | 100.94 | 94.37 | 84.00 | 73.67 | 67.84 | 80.65 | |||||||||||||
MIN | 39.84 | 50.17 | 56.10 | 69.53 | 79.55 | 87.43 | 88.06 | 85.94 | 75.13 | 68.90 | 52.20 | 42.52 | 72.64 | |||||||||||||
YRS | 71 | 70 | 70 | 70 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 70 | 69 |