YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.00 | i | 71.03 | 52.63 | 45.77 | 56.48 | i | |||
1959 | 38.43 | a | 42.75 | 52.17 | a | 64.20 | 73.26 | 88.07 | 91.80 | a | 86.29 | 76.10 | 64.90 | 50.93 | 43.00 | a | 64.33 | |||||||||
1960 | 36.06 | 35.86 | 53.10 | 65.30 | 73.68 | 87.53 | 92.61 | 90.26 | 81.17 | 66.26 | 52.20 | 40.63 | a | 64.56 | ||||||||||||
1961 | 42.48 | 47.61 | 50.65 | 60.83 | 74.23 | 88.73 | 91.19 | 88.39 | 70.03 | 64.68 | 47.20 | 34.26 | 63.36 | |||||||||||||
1962 | 34.29 | 44.56 | a | 47.00 | 67.47 | 71.87 | 83.43 | 89.26 | 89.45 | 79.83 | 69.61 | 56.13 | 43.13 | 64.67 | ||||||||||||
1963 | 29.53 | a | 48.75 | 52.03 | 61.97 | 78.48 | 83.57 | 94.39 | 83.77 | 82.57 | 73.77 | 54.03 | 38.97 | 65.15 | ||||||||||||
1964 | 34.87 | 37.31 | 44.13 | 59.03 | 72.97 | 82.43 | 94.81 | 85.48 | 80.00 | 73.58 | 46.70 | 35.65 | 62.25 | |||||||||||||
1965 | 39.68 | 41.04 | 46.26 | 59.00 | 68.48 | 77.43 | 87.94 | 84.00 | 70.07 | 70.90 | 54.48 | a | 40.16 | 61.62 | ||||||||||||
1966 | 35.06 | 37.61 | 55.61 | 63.80 | 76.03 | 82.23 | 90.27 | a | 86.61 | 79.50 | 64.10 | 53.63 | 36.42 | 63.41 | ||||||||||||
1967 | 35.16 | 43.50 | 56.29 | 60.40 | 69.93 | a | 75.83 | 86.71 | 85.00 | 77.10 | 67.00 | a | 54.53 | 31.00 | 61.87 | |||||||||||
1968 | 33.42 | 42.66 | 53.74 | 55.47 | 68.67 | a | 83.43 | 87.55 | 77.80 | a | 75.40 | 65.74 | 45.13 | 35.55 | 60.38 | |||||||||||
1969 | 37.42 | 40.50 | 47.10 | 66.20 | 77.90 | 77.17 | 88.10 | 88.10 | a | 77.28 | a | 55.00 | 48.70 | 41.19 | 62.05 | |||||||||||
1970 | 37.58 | 50.18 | 48.23 | a | 54.87 | 74.48 | 80.13 | 87.94 | 86.90 | 74.20 | 57.61 | 50.24 | a | 39.87 | 61.85 | |||||||||||
1971 | 36.03 | 42.04 | 52.71 | 63.57 | 69.58 | 84.20 | 89.90 | 87.71 | 73.14 | a | 61.55 | 46.47 | 33.39 | 61.69 | ||||||||||||
1972 | 40.61 | 49.45 | 61.06 | 64.17 | 73.74 | 82.33 | 89.39 | 85.52 | 75.83 | 60.29 | 42.03 | 32.45 | 63.07 | |||||||||||||
1973 | 28.58 | 40.54 | 48.53 | a | 57.47 | 70.80 | a | 79.47 | 86.32 | 85.48 | 74.60 | 67.81 | 51.17 | 37.68 | 60.70 | |||||||||||
1974 | 29.10 | 36.96 | 56.29 | 59.80 | 77.16 | 86.17 | 87.61 | 84.58 | 77.13 | 65.77 | 49.23 | 35.13 | 62.08 | |||||||||||||
1975 | 32.48 | 38.57 | 48.48 | 56.30 | 67.97 | 78.93 | 87.10 | 84.68 | 77.10 | 66.61 | 48.07 | 37.97 | a | 60.36 | ||||||||||||
1976 | 33.90 | 46.90 | 49.81 | 62.57 | 72.35 | 81.33 | 89.74 | 83.61 | 76.80 | 63.87 | 52.17 | 42.43 | a | 62.96 | ||||||||||||
1977 | 33.70 | a | 48.07 | 49.52 | 66.77 | 72.90 | a | 88.93 | 88.32 | 84.71 | 78.57 | 66.87 | 50.13 | 41.48 | 64.16 | |||||||||||
1978 | 35.94 | 39.93 | a | 53.68 | 62.90 | 69.81 | 84.00 | 90.61 | 85.74 | 78.80 | 68.13 | 50.53 | 28.94 | 62.42 | ||||||||||||
1979 | 27.00 | a | 37.25 | 47.06 | 61.70 | 68.84 | 82.93 | 89.68 | 83.32 | 83.00 | 68.03 | 41.97 | 37.77 | a | 60.71 | |||||||||||
1980 | 37.97 | 44.66 | 47.67 | a | 61.70 | 66.87 | a | 84.70 | 89.87 | 84.87 | 78.77 | 63.43 | a | 51.23 | 48.97 | 63.39 | ||||||||||
1981 | 46.06 | 46.04 | 50.90 | 68.30 | 68.97 | 86.10 | 88.29 | 84.29 | 79.03 | 59.90 | 52.83 | 37.97 | 64.06 | |||||||||||||
1982 | 35.87 | 40.14 | 51.72 | b | 60.55 | a | 69.10 | 81.03 | a | 87.06 | 86.14 | c | 73.07 | 59.87 | a | 44.27 | 37.94 | 60.56 | ||||||||
1983 | 39.16 | 44.12 | b | 49.26 | 54.67 | 66.10 | a | 77.30 | 85.52 | 85.97 | 79.80 | 65.48 | 47.87 | 34.68 | 60.83 | |||||||||||
1984 | 31.19 | 38.55 | 48.79 | b | 56.72 | a | 74.35 | 78.03 | 87.71 | 84.87 | 77.55 | a | 55.58 | 49.24 | a | 37.77 | 60.03 | |||||||||
1985 | 36.40 | a | 37.07 | 51.65 | 63.97 | 71.06 | 84.63 | 87.61 | 86.29 | 71.10 | 64.26 | 44.50 | 38.90 | a | 61.45 | |||||||||||
1986 | 42.23 | a | 47.26 | a | 58.68 | 61.79 | b | 69.90 | 85.10 | a | 84.94 | 85.13 | 70.10 | 61.68 | 48.63 | 41.35 | 63.07 | |||||||||
1987 | 35.90 | a | 43.07 | 50.29 | 68.31 | a | 71.74 | 85.79 | b | 86.97 | a | 81.77 | 78.80 | 69.26 | 48.30 | 35.27 | a | 62.96 | ||||||||
1988 | 30.71 | 42.00 | 51.70 | a | 65.47 | 72.82 | c | 86.83 | 90.27 | a | 85.61 | 75.63 | 71.94 | 48.87 | 37.77 | 63.30 | ||||||||||
1989 | 32.77 | 39.36 | 57.71 | c | 68.10 | 75.06 | 83.50 | 92.19 | 83.17 | b | 79.52 | a | 67.00 | 53.20 | 39.61 | 64.27 | ||||||||||
1990 | 40.17 | a | 44.81 | a | 56.39 | 65.60 | 72.74 | 89.10 | 90.35 | 88.10 | 82.60 | 66.48 | 49.28 | a | 32.77 | a | 64.87 | |||||||||
1991 | 30.97 | b | 43.79 | 50.90 | a | 58.97 | 73.74 | 82.93 | 88.48 | 86.35 | 77.93 | 68.06 | 44.97 | a | 35.77 | a | 61.91 | |||||||||
1992 | 34.93 | a | 45.46 | a | 55.68 | 69.82 | b | 74.00 | 83.13 | 85.00 | 85.68 | 79.77 | 70.13 | 41.60 | 33.90 | 63.26 | ||||||||||
1993 | 37.53 | a | 41.54 | 53.77 | 59.73 | 71.74 | 79.53 | 87.13 | 82.71 | 77.07 | 61.45 | 44.80 | 37.90 | 61.24 | ||||||||||||
1994 | 40.06 | 41.07 | 57.97 | 61.53 | 75.55 | 88.17 | 91.19 | 87.10 | 78.43 | 61.94 | 45.97 | 38.32 | 63.94 | |||||||||||||
1995 | 38.32 | 50.89 | 53.65 | 59.27 | 63.68 | 76.83 | 85.42 | 88.90 | 77.97 | 65.29 | 54.87 | 44.52 | 63.30 | |||||||||||||
1996 | 37.61 | 45.93 | 54.00 | 62.21 | a | 75.39 | 83.97 | 90.35 | 89.00 | 73.23 | 62.52 | 49.03 | 37.90 | 63.43 | ||||||||||||
1997 | 37.39 | 41.57 | 58.77 | 56.30 | 73.77 | 82.87 | 87.97 | 84.17 | a | 75.27 | 62.90 | 49.00 | 36.45 | 62.20 | ||||||||||||
1998 | 40.81 | 41.14 | 51.81 | 58.37 | 73.74 | 78.50 | 88.87 | 87.77 | 80.90 | 63.32 | 52.27 | 39.42 | 63.08 | |||||||||||||
1999 | 41.61 | 47.57 | 60.87 | 57.70 | 69.35 | 81.63 | 87.13 | 82.77 | 74.93 | 71.32 | 58.77 | 40.71 | 64.53 | |||||||||||||
2000 | 41.23 | 46.83 | 51.81 | 67.80 | 77.87 | 85.20 | 91.39 | 88.61 | 78.80 | 66.65 | 42.67 | 39.74 | 64.88 | |||||||||||||
2001 | 39.19 | 44.75 | 54.58 | 63.37 | 75.55 | 86.40 | 89.74 | 86.65 | 82.63 | 68.39 | 54.68 | b | 38.42 | 65.36 | ||||||||||||
2002 | 38.42 | 43.61 | 52.71 | 69.33 | 76.65 | 91.07 | 95.52 | 89.81 | 77.43 | 62.23 | 48.90 | 40.52 | 65.51 | |||||||||||||
2003 | 44.71 | 42.89 | 54.03 | 64.43 | b | 75.59 | d | 83.83 | a | 96.68 | 90.27 | a | 79.53 | 74.87 | 46.36 | b | 41.10 | 66.19 | ||||||||
2004 | 37.68 | 41.55 | 63.29 | 63.69 | a | 75.86 | b | 84.83 | 89.48 | 87.62 | b | 77.56 | c | 61.83 | a | 48.27 | 39.48 | 64.26 | ||||||||
2005 | 44.97 | 46.57 | 53.17 | a | 64.40 | 73.07 | a | 78.83 | 93.26 | 84.61 | 78.07 | 65.03 | 51.80 | 38.45 | 64.35 | |||||||||||
2006 | 41.42 | 46.32 | 51.06 | 66.03 | 77.52 | 87.53 | 89.42 | 85.90 | 73.20 | 60.13 | 51.77 | 38.42 | 64.06 | |||||||||||||
2007 | 37.16 | 45.54 | 58.87 | 65.50 | 75.03 | 86.77 | 93.13 | 89.03 | 79.10 | 64.65 | 54.47 | 33.71 | 65.25 | |||||||||||||
2008 | 31.70 | a | 40.86 | 51.81 | 61.20 | 69.48 | 82.90 | 90.03 | 87.73 | a | 79.03 | 66.58 | 51.93 | 36.35 | 62.47 | |||||||||||
2009 | 36.60 | a | 44.86 | 55.80 | a | 60.70 | 74.68 | 78.17 | 88.61 | 86.42 | 78.83 | a | 59.19 | 53.50 | 28.23 | 62.13 | ||||||||||
2010 | 34.45 | 36.39 | 52.52 | 61.70 | 69.94 | 83.70 | 89.42 | 85.23 | a | 81.73 | 66.42 | 46.43 | 41.23 | 62.43 | ||||||||||||
2011 | 33.10 | 39.00 | 53.97 | 58.03 | 67.74 | 82.50 | 88.03 | 89.45 | 80.07 | 64.29 | 49.60 | 39.06 | 62.07 | |||||||||||||
2012 | 41.45 | 43.76 | 59.77 | 67.87 | 77.19 | 90.00 | 90.23 | 88.55 | 80.20 | 66.00 | 55.67 | 36.68 | 66.45 | |||||||||||||
2013 | 31.13 | 39.29 | 54.58 | 60.00 | 73.35 | 88.60 | 91.77 | 87.39 | 77.77 | 60.00 | 47.87 | 30.32 | 61.84 | |||||||||||||
2014 | 36.84 | 45.07 | 55.65 | 61.83 | 71.39 | 83.63 | 90.90 | 82.06 | 79.33 | 66.16 | 48.27 | 38.39 | 63.29 | |||||||||||||
2015 | 40.55 | 50.32 | 61.03 | 62.33 | 66.39 | 86.62 | a | 84.55 | 86.71 | 80.87 | 68.00 | 47.77 | 33.03 | 64.01 | ||||||||||||
2016 | 33.61 | 44.34 | 55.45 | 61.47 | 69.97 | 88.97 | a | 88.87 | 83.55 | 77.90 | 68.55 | 54.70 | 36.42 | 63.65 | ||||||||||||
2017 | 35.94 | 49.14 | 62.16 | 62.80 | 72.10 | 87.87 | 90.16 | 85.74 | 78.00 | 64.90 | 57.43 | 43.97 | 65.85 | |||||||||||||
2018 | 41.90 | 44.61 | 55.19 | 65.67 | 77.42 | 88.87 | 94.52 | 88.48 | 83.67 | 60.03 | 45.90 | 36.19 | 65.20 | |||||||||||||
2019 | 34.90 | 39.32 | 50.42 | 65.03 | 66.42 | 79.90 | 89.65 | 89.35 | 80.62 | a | 60.13 | 52.60 | 37.58 | 62.16 | ||||||||||||
2020 | 34.23 | 41.93 | 54.19 | 63.67 | 77.68 | 84.50 | 90.06 | 91.35 | h | 80.23 | 68.97 | 53.23 | 35.45 | 62.20 | a | |||||||||||
2021 | 36.81 | 41.86 | 53.65 | 65.63 | 74.94 | 88.77 | 92.55 | 87.39 | 82.77 | 63.42 | 55.00 | 40.94 | 65.31 | |||||||||||||
2022 | 36.77 | 39.93 | 52.39 | 64.70 | 74.52 | 85.30 | 88.90 | 87.97 | 83.03 | 65.48 | 46.50 | 37.42 | 63.58 | |||||||||||||
2023 | 35.97 | 39.25 | 44.68 | 61.20 | 74.84 | 80.17 | 92.97 | 87.65 | 79.90 | 66.00 | 51.60 | 42.45 | 63.06 | |||||||||||||
2024 | 39.55 | 46.93 | 53.90 | 65.91 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.79 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.66 | 43.08 | 53.22 | 62.48 | 72.58 | 83.74 | 89.59 | 86.16 | 78.00 | 65.19 | 49.92 | 37.94 | 63.17 | |||||||||||||
S.D. | 4.03 | 3.78 | 4.20 | 3.69 | 3.43 | 3.75 | 2.61 | 2.35 | 3.22 | 4.15 | 3.92 | 3.84 | 1.56 | |||||||||||||
SKEW | -0.04 | 0.09 | 0.22 | -0.14 | -0.36 | -0.19 | 0.46 | -0.63 | -0.67 | -0.06 | -0.10 | -0.06 | -0.01 | |||||||||||||
MAX | 46.06 | 50.89 | 63.29 | 69.82 | 78.48 | 91.07 | 96.68 | 90.27 | 83.67 | 74.87 | 58.77 | 48.97 | 66.45 | |||||||||||||
MIN | 27.00 | 35.86 | 44.13 | 54.67 | 63.68 | 75.83 | 84.55 | 77.80 | 70.03 | 55.00 | 41.60 | 28.23 | 60.03 | |||||||||||||
YRS | 66 | 66 | 66 | 65 | 65 | 65 | 65 | 64 | 65 | 66 | 66 | 66 | 64 |