YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1944 | ----- | z | ----- | z | ----- | z | ----- | z | 78.46 | r | 81.70 | 92.58 | 88.26 | 83.30 | 71.71 | 47.07 | b | 32.48 | j | 77.44 | f | |||||
1945 | 43.10 | 50.32 | 55.13 | 66.96 | c | 78.90 | a | 85.07 | b | 98.10 | 96.20 | a | 81.74 | c | 76.35 | e | 55.15 | d | 44.68 | f | 71.55 | a | ||||
1946 | 49.16 | f | 55.20 | c | 61.10 | b | 71.96 | b | 84.69 | b | 85.33 | c | 96.23 | a | 95.93 | c | 82.66 | a | 65.93 | c | 52.59 | c | 50.00 | f | 75.16 | b |
1947 | 43.26 | d | 55.05 | f | 67.79 | c | 74.32 | b | 88.60 | a | 80.10 | a | 92.14 | b | 90.71 | c | 83.90 | 66.67 | a | 52.27 | 43.06 | 71.17 | a | |||
1948 | 45.72 | f | 45.38 | c | ----- | z | ----- | z | ----- | z | 87.80 | 88.52 | 87.97 | 84.72 | e | 68.26 | 53.53 | 38.94 | 69.39 | d | ||||||
1949 | 27.90 | 43.64 | 57.87 | 73.93 | 82.74 | 86.63 | 92.39 | 91.57 | a | 84.47 | 65.81 | 55.66 | a | 46.29 | 67.41 | |||||||||||
1950 | 23.94 | 40.93 | 54.26 | 64.43 | 75.71 | 80.87 | 93.84 | 93.77 | 87.10 | 63.39 | 48.87 | 45.94 | 64.42 | |||||||||||||
1951 | 43.00 | a | 47.25 | 52.45 | 71.53 | 77.58 | 84.40 | 96.77 | a | 92.03 | 84.47 | 66.35 | 50.63 | 39.87 | 67.20 | |||||||||||
1952 | 35.35 | 49.83 | 58.68 | 72.67 | 79.23 | 82.67 | 95.29 | 86.42 | 87.07 | 76.35 | 46.33 | 42.97 | 67.74 | |||||||||||||
1953 | 54.48 | 54.32 | 61.26 | 66.23 | 74.55 | 77.79 | b | 93.50 | a | 90.48 | 86.60 | 71.90 | 56.79 | b | 50.61 | 69.88 | ||||||||||
1954 | 42.58 | 48.00 | a | 56.61 | 66.24 | a | 78.29 | 80.00 | b | 90.68 | 86.77 | 81.30 | 66.00 | 57.73 | 44.90 | 66.59 | ||||||||||
1955 | 40.97 | 49.07 | 53.48 | 62.17 | 73.30 | a | 87.10 | 88.39 | 93.52 | 83.53 | 69.35 | 45.57 | 40.00 | a | 65.54 | |||||||||||
1956 | 43.70 | a | 35.90 | 57.35 | 73.00 | 80.97 | a | 82.67 | 95.68 | 92.00 | a | 84.80 | 66.06 | 47.47 | 45.26 | 67.07 | ||||||||||
1957 | 28.45 | 47.64 | 56.55 | 69.77 | 80.00 | 87.50 | 91.07 | a | 88.74 | 86.53 | 63.52 | 54.80 | 51.19 | 67.15 | ||||||||||||
1958 | 48.10 | 56.50 | 57.52 | 66.03 | a | 85.74 | 90.43 | 98.16 | 98.45 | 82.13 | 71.71 | 54.90 | 45.17 | a | 71.24 | |||||||||||
1959 | 45.00 | 47.79 | 60.60 | a | 69.37 | 73.06 | 83.00 | 91.77 | 86.35 | 76.30 | 68.39 | 51.63 | 44.00 | a | 66.44 | |||||||||||
1960 | 33.27 | a | 49.79 | 58.13 | 66.07 | 71.71 | 84.13 | 96.39 | 85.06 | 80.40 | 69.57 | a | 55.70 | 37.77 | 65.67 | |||||||||||
1961 | 43.77 | 56.46 | 59.52 | 67.77 | 75.55 | 91.60 | 95.19 | 96.29 | 78.83 | 67.81 | 50.14 | a | 46.26 | 69.10 | ||||||||||||
1962 | 44.20 | a | 49.61 | 55.61 | 71.40 | 71.00 | 84.31 | a | 90.87 | 87.77 | 83.70 | 66.61 | 56.53 | 46.71 | 67.36 | |||||||||||
1963 | 38.77 | 50.04 | 60.90 | 64.77 | 77.55 | 83.77 | 86.42 | 90.55 | 86.17 | 71.55 | 56.23 | 39.00 | 67.14 | |||||||||||||
1964 | 47.77 | 53.79 | 57.23 | 65.67 | 73.48 | 81.33 | 90.32 | 83.58 | 77.87 | 67.39 | 48.23 | 37.87 | 65.38 | |||||||||||||
1965 | 42.10 | 54.36 | 56.74 | 68.93 | 74.16 | 81.63 | 89.68 | 87.32 | 77.20 | 72.32 | 55.10 | 45.13 | 67.06 | |||||||||||||
1966 | 45.45 | 51.96 | 59.61 | 69.87 | 78.84 | 81.07 | 88.53 | a | 89.97 | 83.77 | 68.94 | 56.43 | 49.35 | 68.65 | ||||||||||||
1967 | 53.52 | 57.21 | 58.61 | 62.90 | 76.00 | 86.07 | 93.03 | 96.55 | 87.90 | 70.68 | 54.43 | 45.39 | 70.19 | |||||||||||||
1968 | 48.48 | 55.03 | 62.74 | 66.30 | 76.23 | 83.67 | 93.32 | 84.55 | 80.50 | 65.30 | a | 52.48 | a | 42.10 | 67.56 | |||||||||||
1969 | 31.03 | 42.32 | 59.81 | 66.13 | 78.77 | 87.47 | 89.29 | 86.87 | 80.13 | 63.26 | 52.43 | 40.55 | 64.84 | |||||||||||||
1970 | 39.03 | 50.11 | 57.58 | 61.80 | 75.45 | 86.33 | 91.16 | 90.23 | 75.43 | 65.29 | 50.33 | 42.29 | 65.42 | |||||||||||||
1971 | 47.39 | 52.32 | 53.00 | 65.03 | 76.87 | 77.07 | 91.10 | 93.74 | 74.63 | 65.48 | 52.87 | 43.45 | 66.08 | |||||||||||||
1972 | 42.58 | 45.72 | 60.26 | 63.77 | 76.52 | 82.93 | 88.84 | 91.48 | 76.43 | 67.23 | 49.87 | 38.97 | 65.38 | |||||||||||||
1973 | 40.52 | 48.64 | 60.68 | 68.27 | 77.90 | 82.53 | 91.58 | 89.19 | 79.03 | 66.35 | 48.40 | 47.29 | 66.70 | |||||||||||||
1974 | 38.19 | 52.75 | 58.03 | 64.77 | 71.65 | 87.27 | 88.94 | 90.65 | 84.70 | 68.03 | 52.30 | 47.97 | 67.10 | |||||||||||||
1975 | 43.06 | 44.11 | 54.71 | 61.23 | 73.84 | 80.30 | 93.29 | 85.52 | 83.37 | 65.35 | 51.07 | b | 44.57 | a | 65.03 | |||||||||||
1976 | 44.94 | 49.10 | 55.81 | 63.70 | 76.55 | 79.27 | 89.16 | 84.94 | 84.47 | 68.10 | 52.77 | 41.39 | 65.85 | |||||||||||||
1977 | 31.87 | 52.54 | 58.16 | 72.13 | 70.55 | 86.97 | 88.06 | 93.29 | 74.40 | 66.45 | 51.07 | 44.71 | 65.85 | |||||||||||||
1978 | 39.45 | 47.93 | 60.90 | 64.53 | 72.13 | 84.53 | 89.90 | a | 86.84 | 76.80 | 67.74 | 44.25 | b | 39.90 | 64.58 | |||||||||||
1979 | 22.58 | 43.75 | 60.87 | 64.17 | 77.06 | 84.63 | 91.55 | 89.10 | 83.07 | 69.71 | 43.47 | 45.13 | 64.59 | |||||||||||||
1980 | 34.13 | 42.11 | a | 56.39 | 69.47 | 74.13 | 77.03 | 89.42 | 85.39 | ----- | z | 66.45 | 51.13 | 44.81 | 62.77 | a | ||||||||||
1981 | 44.03 | 49.29 | 61.58 | 65.50 | 73.81 | 77.43 | 88.35 | 94.23 | 80.83 | 65.52 | 54.37 | 42.32 | 66.44 | |||||||||||||
1982 | 40.00 | a | 50.26 | a | 58.52 | 64.10 | 74.00 | 84.37 | 87.81 | 89.13 | 77.03 | 64.06 | 47.63 | 42.97 | 64.99 | |||||||||||
1983 | 48.34 | b | 51.50 | 60.16 | 66.27 | 77.65 | 79.87 | 84.03 | 90.13 | 75.43 | 66.00 | 53.97 | 31.71 | 65.42 | ||||||||||||
1984 | 42.19 | 48.66 | 58.77 | 62.30 | 69.87 | 78.40 | 91.00 | 90.16 | 76.37 | c | 64.23 | e | 50.52 | c | 36.65 | e | 64.09 | |||||||||
1985 | 31.97 | b | 43.16 | c | 59.03 | 70.64 | b | 78.79 | b | 85.93 | a | 98.62 | b | 88.18 | c | 74.68 | b | 66.81 | e | 38.00 | d | 27.63 | a | 63.62 | ||
1986 | 42.93 | b | 50.38 | b | 62.71 | c | 66.76 | a | 78.58 | e | 89.00 | c | 84.63 | d | 93.19 | e | 73.36 | e | 68.11 | c | 50.55 | a | 37.58 | e | 66.48 | |
1987 | 37.73 | e | 51.14 | f | 60.07 | d | 71.05 | h | 78.88 | f | 86.67 | f | 88.38 | w | 88.12 | g | 83.33 | f | 68.73 | e | 52.92 | f | 37.65 | e | 51.05 | h |
1988 | 39.96 | f | 52.42 | c | 58.00 | g | 65.92 | e | 74.50 | a | 78.97 | 88.10 | 87.10 | 78.07 | 71.45 | 52.47 | 38.65 | 68.76 | b | |||||||
1989 | 46.07 | b | 34.18 | 53.26 | 68.33 | 71.58 | 82.90 | 86.35 | 83.39 | 80.27 | 65.90 | 53.53 | 37.77 | 63.63 | ||||||||||||
1990 | 47.29 | 46.81 | a | 58.77 | 69.43 | 70.45 | 79.27 | 90.52 | 86.81 | 85.30 | 63.00 | 55.07 | 33.60 | a | 65.53 | |||||||||||
1991 | 35.94 | 53.43 | 54.16 | 64.80 | 69.19 | 74.30 | 88.13 | 89.63 | a | 81.53 | 66.48 | 47.37 | 43.84 | 64.07 | ||||||||||||
1992 | 43.74 | 49.34 | 62.16 | 66.13 | 77.77 | 85.67 | 86.29 | 88.10 | 75.13 | 66.19 | 47.36 | b | 38.19 | 65.51 | ||||||||||||
1993 | 29.26 | 36.75 | 50.58 | 62.86 | a | 77.94 | 78.37 | 79.19 | 84.03 | 79.63 | 66.61 | 45.37 | 40.35 | 60.91 | ||||||||||||
1994 | ----- | z | 43.21 | 61.35 | 67.87 | 74.83 | b | 79.63 | 91.94 | ----- | z | ----- | z | 64.58 | 47.93 | 42.84 | 63.80 | c | ||||||||
1995 | 40.97 | 51.96 | ----- | z | 63.50 | 76.23 | 78.63 | 87.55 | 83.90 | 81.70 | ----- | z | 53.21 | a | 38.81 | 65.65 | b | |||||||||
1996 | 36.90 | 42.90 | 54.84 | 66.37 | 68.03 | 79.57 | 90.20 | a | 87.03 | 76.53 | 62.58 | 46.43 | 37.55 | 62.41 | ||||||||||||
1997 | 41.32 | 48.32 | 56.94 | 62.63 | 75.35 | 77.63 | 86.26 | 89.77 | a | 78.00 | 63.87 | 50.63 | c | 40.90 | 64.30 | |||||||||||
1998 | 43.37 | a | 50.50 | 57.68 | 65.37 | 71.32 | 80.73 | 92.58 | 91.03 | 83.33 | 63.63 | a | ----- | z | 42.74 | 67.48 | a | |||||||||
1999 | 46.45 | 50.86 | 56.00 | 64.27 | 69.94 | 78.43 | 85.68 | 87.42 | 78.87 | 64.13 | 54.67 | 44.87 | 65.13 | |||||||||||||
2000 | 41.03 | 47.59 | 56.32 | 68.60 | 72.03 | 81.47 | 87.19 | 86.84 | 74.87 | 62.90 | 41.87 | 34.90 | 62.97 | |||||||||||||
2001 | 38.45 | 45.18 | 57.70 | a | 61.93 | 76.61 | 76.83 | 86.55 | 89.61 | ----- | z | 63.55 | 50.03 | 42.45 | 62.63 | a | ||||||||||
2002 | 45.42 | 49.36 | 53.06 | 65.27 | 70.77 | 81.93 | 91.03 | 86.55 | 78.97 | 64.00 | 49.47 | 42.77 | 64.88 | |||||||||||||
2003 | 44.35 | 50.07 | 60.45 | 64.03 | 71.90 | 83.37 | 92.52 | 88.58 | 81.57 | 68.65 | 47.80 | 40.29 | 66.13 | |||||||||||||
2004 | 34.19 | 45.00 | 62.90 | 68.67 | 72.00 | 81.93 | 91.06 | 88.29 | 76.47 | 65.48 | 49.87 | 43.93 | a | 64.98 | ||||||||||||
2005 | 36.81 | 51.50 | 61.84 | 65.33 | 74.55 | 78.87 | 90.03 | 89.84 | 77.17 | 65.10 | 46.53 | 35.52 | 64.42 | |||||||||||||
2006 | 47.58 | 47.14 | 56.29 | 64.43 | b | 75.23 | a | 80.97 | 92.68 | 87.94 | 79.30 | 63.70 | a | 50.10 | 36.32 | 65.14 | ||||||||||
2007 | 37.03 | 46.68 | 59.61 | 64.07 | 75.32 | 80.33 | 92.40 | a | 86.35 | 78.03 | 62.97 | 49.73 | 41.84 | 64.53 | ||||||||||||
2008 | 37.13 | 50.69 | c | 54.61 | 60.87 | 74.55 | 78.80 | 88.42 | 86.35 | 78.83 | 64.32 | 50.47 | 34.16 | 63.27 | ||||||||||||
2009 | 39.13 | 44.25 | 52.29 | 64.40 | 74.97 | 81.83 | 91.58 | 87.84 | 81.07 | 60.16 | 51.47 | 33.42 | 63.53 | |||||||||||||
2010 | 44.21 | b | 51.19 | a | 59.23 | 64.07 | 67.90 | 76.60 | 88.35 | 86.06 | 76.00 | 64.23 | 45.63 | 39.73 | a | 63.60 | ||||||||||
2011 | 42.87 | 46.32 | 54.97 | 59.13 | 68.32 | 77.07 | a | 84.52 | 88.87 | 82.86 | a | 63.74 | 50.30 | 38.84 | 63.15 | |||||||||||
2012 | 43.06 | 47.14 | 56.39 | 66.07 | a | 72.00 | 75.50 | 88.94 | 90.10 | 80.67 | 63.65 | 49.83 | a | 43.48 | 64.73 | |||||||||||
2013 | 36.68 | 50.52 | a | 57.94 | 64.73 | 74.35 | 80.27 | 92.35 | 89.35 | 78.87 | 62.74 | 47.10 | 36.27 | a | 64.26 | |||||||||||
2014 | 40.58 | 41.46 | 58.96 | c | 66.34 | a | 75.94 | 80.07 | 93.13 | 89.39 | 80.07 | 69.52 | 47.80 | 43.42 | 65.56 | |||||||||||
2015 | 39.39 | 53.50 | 63.10 | 65.67 | 77.39 | 89.43 | 92.23 | 88.58 | 77.07 | 69.74 | 46.47 | 41.94 | 67.04 | |||||||||||||
2016 | 39.77 | 53.66 | 58.48 | 72.37 | 76.48 | 82.67 | 86.58 | 88.84 | 77.00 | 61.87 | 55.77 | 35.52 | 65.75 | |||||||||||||
2017 | 26.87 | 39.82 | 54.81 | 62.90 | 74.90 | 81.60 | 91.81 | 90.65 | 77.93 | 63.84 | 50.07 | 35.94 | 62.59 | |||||||||||||
2018 | 43.81 | 48.50 | 56.42 | 64.80 | 78.71 | 80.17 | a | 92.29 | 88.13 | 76.50 | 63.10 | 48.17 | 42.29 | 65.24 | ||||||||||||
2019 | 41.29 | 30.86 | 47.06 | 65.77 | 76.03 | 82.23 | 86.39 | 88.97 | 76.23 | 59.16 | 47.10 | a | 39.65 | 61.73 | ||||||||||||
2020 | 47.74 | 52.45 | 56.33 | a | 67.53 | 73.58 | 82.17 | 98.13 | 98.35 | 86.23 | 71.23 | 54.53 | 43.76 | b | 69.34 | |||||||||||
2021 | 45.86 | b | 42.23 | b | 58.67 | a | 68.00 | 75.68 | 87.77 | 93.90 | a | 87.52 | 78.36 | b | 64.71 | 52.83 | 42.20 | a | 66.48 | |||||||
2022 | 35.94 | 49.61 | 59.29 | 57.47 | 67.29 | 78.57 | 92.42 | 93.19 | 81.70 | 71.03 | a | 41.68 | b | 30.23 | 63.20 | |||||||||||
2023 | 41.97 | a | 46.96 | 53.52 | 62.63 | 78.68 | 82.77 | 91.50 | a | 88.29 | 77.00 | 64.55 | 46.80 | 42.00 | a | 64.72 | ||||||||||
2024 | 35.32 | 48.72 | 59.26 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.77 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.49 | 48.15 | 57.82 | 66.17 | 75.25 | 82.14 | 90.69 | 89.30 | 80.24 | 66.50 | 50.47 | 41.12 | 65.59 | |||||||||||||
S.D. | 6.24 | 5.06 | 3.29 | 3.39 | 3.95 | 3.69 | 3.57 | 3.35 | 3.72 | 3.27 | 3.93 | 4.51 | 1.96 | |||||||||||||
SKEW | -0.67 | -0.95 | -0.25 | 0.35 | 0.57 | 0.34 | -0.10 | 0.73 | 0.21 | 0.70 | -0.48 | -0.42 | 0.42 | |||||||||||||
MAX | 54.48 | 57.21 | 67.79 | 74.32 | 88.60 | 91.60 | 98.62 | 98.45 | 87.90 | 76.35 | 57.73 | 51.19 | 71.24 | |||||||||||||
MIN | 22.58 | 30.86 | 47.06 | 57.47 | 67.29 | 74.30 | 79.19 | 83.39 | 73.36 | 59.16 | 38.00 | 27.63 | 60.91 | |||||||||||||
YRS | 76 | 78 | 77 | 77 | 77 | 79 | 79 | 78 | 76 | 79 | 78 | 77 | 68 |