YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1953 | ----- | z | 48.09 | e | 52.68 | 59.03 | 62.46 | c | 70.23 | 86.84 | 81.45 | 84.97 | 63.47 | a | 52.48 | a | 41.55 | b | 63.93 | a | ||||||
1954 | 40.45 | 50.36 | 53.84 | 63.20 | 73.87 | a | 69.97 | 83.52 | 76.61 | 73.97 | 63.87 | 52.00 | 41.45 | 61.92 | ||||||||||||
1955 | 38.81 | 43.22 | a | 49.06 | 50.90 | a | 66.03 | 78.83 | 80.48 | 88.43 | a | 77.77 | 63.37 | a | 45.72 | a | 42.60 | a | 60.44 | |||||||
1956 | 41.48 | b | 40.93 | 50.10 | 63.52 | a | 71.90 | 74.55 | a | 88.42 | 84.06 | 80.73 | 60.16 | 51.64 | b | 42.55 | 62.50 | |||||||||
1957 | 37.48 | 49.32 | 51.32 | 62.46 | b | 69.71 | 79.00 | a | 83.16 | 81.69 | b | 84.31 | a | 59.48 | 48.43 | b | 42.16 | 62.38 | ||||||||
1958 | 43.97 | a | 52.04 | 52.13 | a | 58.55 | a | 78.35 | 74.87 | 89.71 | 90.58 | 76.55 | a | 70.39 | 51.17 | 48.74 | 65.59 | |||||||||
1959 | 46.00 | b | 45.93 | 54.77 | 66.45 | a | 66.52 | 76.90 | 90.32 | 85.19 | 73.43 | 66.19 | 54.23 | 43.87 | 64.15 | |||||||||||
1960 | 41.45 | 47.62 | 56.65 | 59.87 | 64.94 | 83.17 | 91.73 | a | 83.94 | 84.13 | 66.81 | 50.26 | c | 43.42 | 64.50 | |||||||||||
1961 | 49.06 | 48.79 | 50.26 | 63.70 | 67.81 | 84.87 | 90.00 | 92.16 | 76.80 | 64.13 | 48.90 | 41.71 | 64.85 | |||||||||||||
1962 | 42.06 | 47.04 | 51.42 | 67.80 | 62.77 | 78.33 | 87.90 | 83.19 | 82.27 | ----- | z | 52.67 | 47.76 | b | 63.93 | a | ||||||||||
1963 | 43.43 | a | 55.32 | 54.00 | 53.60 | 70.29 | 72.87 | 80.23 | 83.52 | 81.57 | 62.68 | 48.50 | 44.97 | 62.58 | ||||||||||||
1964 | 40.55 | 48.72 | 50.06 | 58.53 | 67.00 | 73.50 | 84.81 | 83.90 | 76.90 | 69.71 | 45.20 | 40.45 | 61.61 | |||||||||||||
1965 | 41.06 | 50.21 | 59.87 | 61.57 | 67.48 | 76.93 | 88.74 | 83.19 | 77.23 | 68.97 | 51.57 | 40.47 | a | 63.94 | ||||||||||||
1966 | 40.32 | 45.79 | 53.80 | a | 68.53 | 75.23 | 76.87 | 83.20 | a | 86.42 | 79.10 | a | 65.16 | 50.53 | 42.90 | 63.99 | ||||||||||
1967 | 42.58 | 51.93 | 50.70 | a | 51.77 | 72.61 | 81.50 | 89.55 | 95.77 | 86.50 | 61.71 | 53.10 | 39.94 | 64.80 | ||||||||||||
1968 | 42.81 | 56.34 | 59.61 | 63.10 | 69.81 | 79.93 | 89.45 | 80.65 | 78.73 | 61.94 | 48.57 | 40.26 | 64.27 | |||||||||||||
1969 | 38.58 | 45.36 | 57.32 | 61.73 | 76.90 | 78.30 | 85.26 | 87.16 | 79.97 | 59.06 | 52.27 | 44.90 | 63.90 | |||||||||||||
1970 | 43.71 | 53.68 | 55.19 | 54.80 | 73.71 | 83.50 | 90.16 | 90.19 | 75.43 | 64.71 | 50.90 | 39.23 | 64.60 | |||||||||||||
1971 | 40.10 | 45.43 | 47.45 | 59.37 | 68.45 | 74.50 | 88.45 | 91.13 | 74.83 | 59.68 | 47.53 | 38.90 | 61.32 | |||||||||||||
1972 | 39.26 | 48.45 | 57.19 | 59.43 | 74.23 | 81.23 | 91.74 | 89.23 | 75.40 | 64.23 | 48.20 | 38.23 | 63.90 | |||||||||||||
1973 | 41.13 | 52.96 | 50.97 | 63.68 | b | 76.42 | 79.13 | 89.06 | 86.45 | 79.23 | 60.42 | 42.60 | 43.90 | 63.83 | ||||||||||||
1974 | 40.48 | 45.07 | 53.06 | 60.07 | 67.00 | 83.87 | 85.42 | 88.13 | a | 89.27 | 69.61 | 50.37 | 42.65 | 64.58 | ||||||||||||
1975 | 40.65 | 44.93 | 49.68 | 54.30 | 71.06 | 76.87 | 86.13 | 82.16 | 85.37 | 60.29 | 45.60 | 43.45 | 61.71 | |||||||||||||
1976 | 43.48 | 46.55 | 52.10 | 58.70 | 74.32 | 75.00 | 85.97 | 78.47 | a | 78.70 | 65.97 | 54.40 | 42.19 | 62.99 | ||||||||||||
1977 | 43.36 | c | 54.25 | 50.61 | 68.63 | 61.71 | 83.50 | 86.16 | 89.48 | 72.90 | 62.42 | 46.93 | a | 46.26 | 63.85 | |||||||||||
1978 | 47.42 | 49.89 | 61.61 | 58.73 | 67.42 | 80.33 | 86.74 | 82.87 | 68.33 | 68.13 | 46.40 | 39.13 | 63.08 | |||||||||||||
1979 | 41.35 | 43.57 | 58.19 | 59.13 | 74.00 | 80.63 | 86.81 | 81.23 | 81.27 | 66.84 | 48.20 | 44.94 | 63.85 | |||||||||||||
1980 | 42.87 | 50.69 | 51.55 | 64.60 | 68.13 | 71.50 | 87.48 | 83.84 | 80.03 | 65.65 | 50.23 | 44.87 | 63.45 | |||||||||||||
1981 | 48.13 | 49.79 | 55.84 | 63.23 | 67.68 | 76.27 | 86.32 | 90.90 | 79.43 | 58.13 | 50.13 | 43.81 | 64.14 | |||||||||||||
1982 | 39.06 | 46.14 | 51.97 | 58.48 | a | 73.96 | c | 77.78 | c | 83.81 | 85.48 | b | 72.80 | 60.87 | a | 46.30 | 41.61 | 61.52 | ||||||||
1983 | 45.39 | 49.71 | 52.23 | 59.17 | a | 73.58 | 75.47 | 78.23 | 83.19 | 75.67 | 61.77 | 46.87 | 40.32 | c | 61.80 | |||||||||||
1984 | 44.65 | 47.66 | 54.29 | 54.13 | 66.68 | 72.57 | 87.68 | 83.90 | 73.23 | 55.07 | a | 44.53 | 38.26 | 60.22 | ||||||||||||
1985 | 43.19 | 45.14 | 50.68 | 65.47 | ----- | z | 79.83 | 89.74 | 83.13 | 67.00 | a | 60.00 | 40.93 | 41.19 | 60.57 | a | ||||||||||
1986 | 47.87 | a | 48.04 | 58.65 | 59.30 | 70.19 | 81.66 | a | 79.87 | 90.74 | 66.69 | a | 62.42 | 47.70 | 41.57 | a | 62.89 | |||||||||
1987 | 40.16 | 48.54 | 54.77 | a | 67.76 | a | 71.10 | a | 83.89 | b | 77.71 | 86.32 | 78.60 | 72.13 | 47.90 | 40.70 | a | 64.13 | ||||||||
1988 | 39.90 | 50.21 | 54.77 | 61.28 | a | 66.00 | 74.13 | 87.57 | a | 86.68 | 78.17 | a | 67.55 | 44.18 | b | 40.97 | 62.62 | |||||||||
1989 | 39.23 | 41.46 | 49.33 | a | 65.55 | a | 66.69 | b | 78.52 | a | 78.57 | a | 79.84 | 75.07 | a | 58.42 | 47.17 | 41.94 | 60.15 | |||||||
1990 | 41.87 | 42.00 | 55.13 | a | 66.82 | b | 65.00 | a | 75.00 | 87.10 | 82.39 | 77.87 | 57.27 | a | 46.07 | b | 36.45 | b | 61.08 | |||||||
1991 | 40.94 | 52.75 | 49.32 | 54.59 | a | 62.72 | b | 71.40 | 86.60 | a | 85.48 | 83.13 | 65.45 | 48.73 | 42.23 | 61.95 | ||||||||||
1992 | 43.97 | 51.72 | 59.97 | 63.03 | a | 79.06 | 79.62 | a | 84.27 | a | 87.90 | a | 77.25 | b | 61.30 | a | 45.23 | 36.97 | 64.19 | |||||||
1993 | 36.74 | 42.54 | 53.87 | a | 55.54 | b | 69.35 | 72.33 | c | 75.48 | b | 81.41 | b | 81.13 | 66.03 | 45.93 | 43.10 | 60.29 | ||||||||
1994 | 45.60 | a | 44.68 | 58.60 | a | 62.33 | 71.48 | 76.54 | b | 87.03 | 81.90 | 79.11 | b | 59.23 | a | 39.17 | a | 38.23 | 61.99 | |||||||
1995 | 46.84 | 51.96 | 51.55 | 57.52 | a | 68.42 | 72.83 | 82.76 | b | 82.45 | b | 78.07 | 58.71 | 50.87 | 44.00 | 62.16 | ||||||||||
1996 | 40.68 | 46.03 | 54.71 | 60.20 | 64.68 | 75.93 | 89.38 | b | 86.47 | a | 71.83 | 58.55 | 48.40 | 40.52 | 61.45 | |||||||||||
1997 | 41.61 | 47.00 | 53.06 | 58.37 | 75.86 | c | 72.72 | a | 82.79 | b | 83.52 | 72.20 | 56.74 | 49.87 | 39.03 | 61.06 | ||||||||||
1998 | 44.65 | 47.57 | 52.45 | 60.40 | 59.87 | a | 75.82 | b | 86.42 | 86.84 | 79.93 | 58.07 | a | 46.27 | 37.45 | b | 61.31 | |||||||||
1999 | 39.71 | 41.43 | 48.50 | a | 58.50 | b | 64.13 | a | 73.48 | a | 83.55 | b | 80.55 | b | 79.34 | a | 64.70 | a | 51.23 | 40.32 | 60.45 | |||||
2000 | 39.68 | 47.46 | a | 51.53 | a | 64.69 | a | 66.23 | a | 80.00 | a | 80.97 | a | 84.19 | 74.77 | 60.32 | 42.53 | 40.90 | a | 61.11 | ||||||
2001 | 42.71 | 46.21 | 54.74 | 56.04 | b | 76.60 | a | 72.50 | d | 81.97 | a | 85.16 | 79.79 | a | 62.00 | a | 47.59 | a | 38.86 | b | 62.01 | |||||
2002 | 39.19 | 46.61 | 51.69 | b | 61.67 | c | 68.76 | b | 76.97 | a | 87.93 | b | 84.20 | a | 76.48 | a | 60.65 | 50.32 | b | 42.50 | a | 62.25 | ||||
2003 | 46.68 | 46.50 | 51.90 | a | 54.07 | a | 68.25 | c | 81.50 | b | 89.27 | a | 84.47 | a | 77.83 | a | 62.23 | a | 43.37 | 41.43 | a | 62.29 | ||||
2004 | 40.77 | 47.69 | 59.68 | 65.50 | 66.65 | 76.59 | a | 86.00 | 83.77 | 70.47 | 59.48 | 46.97 | 42.23 | 62.15 | ||||||||||||
2005 | 42.13 | 50.79 | 56.03 | 57.97 | 67.29 | 71.20 | 87.29 | 86.93 | a | 71.13 | 59.39 | 44.20 | 39.32 | 61.14 | ||||||||||||
2006 | 41.00 | 47.46 | 47.63 | a | 60.83 | 72.19 | 77.40 | 86.00 | 84.26 | 76.50 | 60.77 | a | 45.45 | a | 39.42 | 61.58 | ||||||||||
2007 | 37.77 | 44.04 | 55.42 | 60.93 | 72.45 | b | 74.47 | 84.10 | 80.68 | 73.30 | 56.55 | 46.60 | 37.83 | a | 60.34 | |||||||||||
2008 | 35.97 | 42.17 | 45.90 | 55.27 | 68.90 | 74.83 | a | 85.29 | 84.13 | 78.87 | 58.61 | 48.13 | 36.45 | 59.54 | ||||||||||||
2009 | 38.26 | 44.82 | 47.97 | 58.30 | 72.35 | 75.53 | 89.45 | 84.32 | 76.67 | 55.26 | 43.50 | 36.29 | 60.23 | |||||||||||||
2010 | 45.94 | 48.71 | 52.42 | 55.90 | 61.13 | 71.53 | 86.13 | 83.58 | 71.53 | 58.87 | 44.33 | 41.23 | 60.11 | |||||||||||||
2011 | 40.26 | 42.61 | 48.35 | 53.10 | 61.00 | 72.43 | 79.87 | 84.29 | 80.70 | 58.03 | 44.60 | 37.16 | 58.53 | |||||||||||||
2012 | 39.71 | 44.38 | 46.00 | 59.33 | 68.87 | 70.80 | 82.03 | 86.90 | 80.20 | 60.61 | 48.17 | 38.26 | 60.44 | |||||||||||||
2013 | 36.29 | 43.57 | 54.42 | 60.17 | a | 70.13 | 76.97 | 88.74 | 82.94 | 70.57 | 56.81 | 46.20 | 35.32 | 60.18 | ||||||||||||
2014 | 42.42 | 47.25 | 55.32 | 63.43 | 71.03 | 76.00 | 88.94 | 84.74 | 78.30 | 61.48 | 48.53 | 45.10 | 63.55 | |||||||||||||
2015 | 44.84 | 51.93 | 59.94 | 62.50 | 70.39 | 85.07 | 87.16 | 85.58 | 73.13 | 65.39 | 44.73 | 39.00 | 64.14 | |||||||||||||
2016 | 40.68 | 50.86 | 53.29 | 67.93 | 72.84 | 79.13 | 82.19 | 87.61 | 72.27 | 55.94 | 50.50 | 36.13 | 62.45 | |||||||||||||
2017 | 36.52 | 44.64 | 49.68 | 56.50 | 73.39 | 78.31 | a | 88.53 | a | 84.83 | a | 69.43 | 56.84 | 47.00 | 39.32 | 60.42 | ||||||||||
2018 | 45.55 | 43.61 | 51.71 | 60.73 | 73.87 | 77.87 | 88.74 | 84.61 | 73.00 | 60.68 | 47.70 | 40.13 | 62.35 | |||||||||||||
2019 | 43.48 | 36.64 | 51.81 | 61.60 | 71.90 | 80.53 | 84.00 | 85.58 | 66.93 | 54.68 | 47.83 | 40.94 | 60.49 | |||||||||||||
2020 | 40.45 | 45.48 | 52.65 | 65.10 | 71.35 | 75.87 | 86.16 | 85.29 | 76.36 | h | 61.39 | 45.07 | 40.97 | 60.89 | a | |||||||||||
2021 | 42.13 | 43.71 | 53.52 | 68.60 | 71.94 | 83.33 | 89.23 | 82.90 | 73.27 | 56.87 | 47.97 | a | 38.94 | 62.70 | ||||||||||||
2022 | 38.39 | 45.93 | 56.13 | 55.03 | 63.94 | 75.43 | 88.77 | 88.39 | 76.33 | 65.16 | 42.86 | a | 38.19 | 61.21 | ||||||||||||
2023 | 41.48 | 42.07 | 43.84 | 57.40 | 73.29 | 79.63 | 88.13 | 85.65 | 71.87 | 59.29 | 47.90 | 44.10 | 61.22 | |||||||||||||
2024 | 42.52 | 48.00 | 50.61 | 59.19 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.04 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.82 | 47.22 | 53.01 | 60.42 | 69.59 | 77.05 | 85.90 | 85.00 | 76.79 | 61.78 | 47.72 | 41.02 | 62.27 | |||||||||||||
S.D. | 2.95 | 3.75 | 3.68 | 4.33 | 4.39 | 3.86 | 3.55 | 3.31 | 4.74 | 4.01 | 3.13 | 2.79 | 1.58 | |||||||||||||
SKEW | 0.34 | 0.06 | 0.15 | 0.02 | -0.12 | 0.20 | -0.81 | 0.52 | 0.04 | 0.47 | -0.13 | 0.29 | 0.01 | |||||||||||||
MAX | 49.06 | 56.34 | 61.61 | 68.63 | 79.06 | 85.07 | 91.74 | 95.77 | 89.27 | 72.13 | 54.40 | 48.74 | 65.59 | |||||||||||||
MIN | 35.97 | 36.64 | 43.84 | 50.90 | 59.87 | 69.97 | 75.48 | 76.61 | 66.69 | 54.68 | 39.17 | 35.32 | 58.53 | |||||||||||||
YRS | 71 | 72 | 72 | 71 | 70 | 71 | 71 | 71 | 70 | 70 | 71 | 71 | 67 |