YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1944 | ----- | z | ----- | z | ----- | z | ----- | z | 64.54 | r | 67.63 | 76.66 | 72.66 | 67.08 | 56.85 | 40.25 | b | 29.07 | j | 63.52 | f | |||||
1945 | 37.81 | 41.66 | 45.35 | 53.35 | d | 64.25 | a | 69.52 | c | 79.27 | 77.57 | a | 64.93 | c | 59.12 | e | 44.87 | d | 36.74 | f | 57.97 | a | ||||
1946 | 37.56 | f | 42.26 | c | 48.88 | b | 55.89 | b | 66.03 | b | 69.39 | c | 78.63 | a | 76.17 | h | 66.29 | a | 52.44 | d | 41.57 | c | 40.14 | f | 57.93 | c |
1947 | 33.54 | d | 41.90 | g | 51.11 | c | 57.76 | c | 70.20 | a | 67.10 | a | 76.52 | b | 74.02 | c | 68.38 | 57.34 | b | 44.53 | 36.74 | 57.93 | a | |||
1948 | 36.20 | f | 34.58 | d | ----- | z | ----- | z | ----- | z | 73.03 | 71.60 | 72.56 | 67.33 | f | 50.74 | l | 43.30 | 30.61 | 54.28 | f | |||||
1949 | 14.85 | a | 33.43 | 45.53 | 56.32 | 66.73 | 69.10 | 75.37 | 74.50 | a | 67.95 | 50.52 | 46.31 | a | 37.66 | 53.19 | ||||||||||
1950 | 15.85 | 31.82 | 43.63 | 51.02 | 59.68 | 67.77 | 75.48 | 76.68 | 68.13 | 52.79 | 42.28 | a | 40.06 | 52.10 | ||||||||||||
1951 | 35.67 | a | 37.82 | 41.65 | 55.07 | 62.71 | 69.73 | 78.62 | a | 74.94 | 67.50 | 55.11 | 41.80 | 31.77 | 54.37 | |||||||||||
1952 | 28.79 | 40.59 | 47.16 | 57.55 | 65.13 | 69.48 | 78.21 | 75.40 | 69.93 | 60.11 | 36.98 | 37.79 | 55.59 | |||||||||||||
1953 | 46.89 | 44.38 | 49.73 | 54.03 | 61.42 | 65.50 | b | 76.65 | a | 75.11 | 69.35 | 57.74 | 46.70 | b | 42.95 | 57.54 | ||||||||||
1954 | 33.82 | 41.91 | a | 44.24 | 53.72 | a | 63.52 | 66.77 | b | 74.97 | 72.39 | 65.17 | 51.74 | 48.50 | 37.63 | 54.53 | ||||||||||
1955 | 34.82 | 39.21 | 42.90 | 50.25 | 59.25 | a | 71.35 | 73.55 | 75.35 | 67.42 | 56.48 | 36.42 | 32.80 | a | 53.32 | |||||||||||
1956 | 36.12 | a | 28.53 | 46.35 | 57.48 | 66.17 | a | 67.52 | 78.48 | 74.62 | a | 67.85 | 54.21 | 39.53 | 37.94 | 54.57 | ||||||||||
1957 | 20.79 | 37.95 | 46.06 | 55.93 | 66.05 | 71.83 | 75.50 | a | 73.31 | 69.83 | 52.82 | 43.25 | 42.87 | a | 54.68 | |||||||||||
1958 | 40.58 | 47.64 | 45.97 | 54.03 | a | 70.13 | 75.33 | 81.97 | 80.69 | 67.93 | 56.16 | 45.40 | 38.72 | a | 58.71 | |||||||||||
1959 | 36.44 | 39.32 | 47.92 | a | 55.43 | 59.61 | 68.82 | 75.77 | 71.53 | 64.23 | 55.48 | 40.37 | 36.93 | a | 54.32 | |||||||||||
1960 | 25.95 | a | 40.41 | 46.73 | 54.47 | 59.81 | 69.33 | 79.77 | 71.58 | 65.73 | 56.93 | a | 45.27 | 32.32 | 54.03 | |||||||||||
1961 | 37.29 | 47.89 | 49.23 | 55.10 | 62.21 | 74.83 | 78.21 | 79.58 | 63.88 | 53.87 | 37.95 | b | 37.74 | 56.48 | ||||||||||||
1962 | 34.40 | a | 39.98 | 44.71 | 57.35 | 59.53 | 68.95 | a | 75.03 | 72.66 | 67.60 | 54.92 | 47.28 | 40.58 | 55.25 | |||||||||||
1963 | 29.85 | 41.36 | 48.18 | 53.33 | 63.18 | 69.68 | 72.13 | 74.77 | 70.75 | 58.19 | 47.27 | 33.39 | 55.17 | |||||||||||||
1964 | 39.73 | 41.00 | 45.15 | 52.38 | 59.89 | 67.93 | 74.77 | 69.92 | 64.10 | 54.29 | 41.78 | 30.95 | 53.49 | |||||||||||||
1965 | 36.47 | 43.96 | 43.66 | 56.17 | 60.42 | 68.07 | 74.68 | 74.10 | 63.70 | 58.77 | 47.57 | 37.19 | 55.40 | |||||||||||||
1966 | 38.56 | 42.41 | 47.42 | 55.81 | a | 63.45 | 66.97 | 72.92 | a | 73.63 | 68.53 | 54.95 | 46.68 | 41.24 | 56.05 | |||||||||||
1967 | 44.29 | 46.02 | 47.02 | 50.35 | 61.24 | 70.92 | 75.77 | 78.00 | 70.45 | 57.18 | 44.38 | 37.00 | 56.88 | |||||||||||||
1968 | 38.90 | 44.09 | 50.05 | 52.58 | 62.61 | 69.20 | 76.84 | 70.77 | 66.32 | 52.85 | a | 43.91 | a | 34.40 | 55.21 | |||||||||||
1969 | 24.13 | a | 34.61 | 46.48 | 53.98 | 64.40 | 73.38 | 73.08 | 69.82 | 65.03 | a | 49.65 | 42.05 | 35.75 | a | 52.70 | ||||||||||
1970 | 32.82 | 41.14 | 44.82 | a | 49.33 | 60.68 | a | 71.35 | 75.60 | 72.58 | a | 60.53 | 50.39 | 40.77 | 33.69 | 52.81 | ||||||||||
1971 | 38.22 | a | 40.18 | 41.84 | 51.73 | 62.42 | 63.92 | 74.39 | 76.85 | 59.92 | 51.79 | 42.72 | 34.48 | 53.20 | ||||||||||||
1972 | 34.19 | 37.33 | 47.85 | 50.32 | 62.66 | 68.86 | a | 73.37 | a | 74.40 | a | 61.15 | 51.95 | 41.75 | 30.73 | 52.88 | ||||||||||
1973 | 31.03 | 38.80 | 47.50 | 53.40 | 62.08 | 67.25 | b | 74.47 | 71.90 | 64.78 | 54.02 | 41.93 | 40.82 | 54.00 | ||||||||||||
1974 | 30.74 | 43.75 | 46.98 | 53.82 | 59.40 | 71.77 | 73.98 | 74.94 | 67.97 | 53.65 | 44.88 | 40.03 | 55.16 | |||||||||||||
1975 | 35.77 | 35.50 | a | 44.24 | 49.03 | 60.10 | 66.72 | 77.89 | 71.31 | 66.25 | 54.61 | 41.57 | b | 37.00 | a | 53.33 | ||||||||||
1976 | 36.27 | 39.83 | 43.95 | 51.67 | 61.18 | 65.47 | 73.50 | 71.44 | 68.83 | 53.35 | 42.10 | 32.69 | 53.36 | |||||||||||||
1977 | 27.35 | a | 42.64 | 47.53 | 57.76 | a | 59.18 | 73.22 | 74.39 | 79.08 | 62.67 | a | 53.21 | 42.78 | 38.06 | 54.82 | ||||||||||
1978 | 34.18 | 40.84 | 49.55 | 53.87 | 59.87 | 70.50 | 75.55 | a | 73.16 | 64.35 | 52.68 | 35.36 | b | 31.77 | 53.47 | |||||||||||
1979 | 15.26 | 36.21 | 47.92 | 52.97 | 63.34 | 69.85 | 76.40 | 75.13 | 68.55 | 57.68 | 37.82 | 39.29 | 53.37 | |||||||||||||
1980 | 27.08 | 36.38 | a | 46.48 | 56.10 | 62.05 | 65.72 | 74.95 | 71.02 | ----- | z | 53.90 | 43.75 | 38.48 | 52.36 | a | ||||||||||
1981 | 39.00 | 40.89 | 49.44 | 53.97 | 61.40 | 65.95 | 73.31 | 77.23 | 66.08 | 52.42 | 44.18 | 35.19 | 54.92 | |||||||||||||
1982 | 33.22 | a | 40.27 | b | 46.73 | 51.25 | 60.05 | a | 70.12 | 72.97 | 73.52 | 63.90 | a | 51.69 | 38.47 | 34.09 | c | 53.02 | ||||||||
1983 | 40.22 | b | 43.11 | 50.12 | a | 52.58 | 62.98 | 66.83 | 71.56 | d | 76.38 | a | 60.50 | 51.77 | 46.05 | 24.85 | 53.91 | |||||||||
1984 | 33.63 | 40.53 | 48.56 | 50.93 | 56.63 | 65.32 | 74.45 | b | 73.78 | b | 62.17 | c | 50.19 | e | 41.96 | d | 29.10 | f | 54.38 | a | ||||||
1985 | 27.45 | b | 32.30 | c | 45.92 | 56.64 | b | 63.60 | b | 70.24 | a | 80.14 | b | 72.18 | c | 61.66 | b | 53.79 | e | 30.90 | d | 23.70 | a | 51.54 | ||
1986 | 35.78 | b | 41.37 | b | 50.75 | c | 52.43 | a | 63.31 | e | 73.19 | c | 70.54 | d | 77.48 | e | 62.88 | f | 54.62 | c | 44.79 | a | 33.73 | e | 54.36 | a |
1987 | 32.15 | e | 41.80 | f | 49.02 | d | 56.57 | h | 64.72 | f | 70.77 | f | 74.69 | w | 72.21 | g | 66.46 | f | 53.25 | e | 44.83 | f | 32.63 | e | 41.76 | h |
1988 | 33.83 | h | 40.90 | c | 45.94 | g | 53.84 | e | 60.98 | a | 66.82 | 73.39 | 71.52 | a | 63.77 | 57.60 | 45.40 | a | 33.20 | a | 56.74 | b | ||||
1989 | 38.34 | c | 26.39 | a | 44.39 | 55.97 | 59.73 | 69.48 | a | 72.28 | a | 70.47 | a | 64.80 | 53.21 | 45.34 | a | 33.55 | 52.83 | |||||||
1990 | 41.00 | a | 37.50 | a | 46.15 | a | 56.43 | 58.87 | 67.47 | a | 75.94 | 74.05 | 69.78 | 52.08 | 46.72 | 26.60 | b | 54.38 | ||||||||
1991 | 28.58 | 43.25 | 43.56 | 52.85 | 58.16 | 62.80 | 73.73 | 75.22 | b | 66.16 | a | 52.65 | a | 41.48 | 38.42 | a | 53.07 | |||||||||
1992 | 37.79 | 41.48 | 48.91 | b | 54.43 | c | 63.11 | 71.83 | 73.16 | 72.73 | 62.02 | 53.65 | 41.61 | c | 31.27 | 54.33 | ||||||||||
1993 | 23.24 | b | 30.71 | 41.13 | 52.38 | a | 65.02 | a | 66.37 | 67.76 | 70.44 | 64.35 | 54.06 | 35.52 | 36.23 | 50.60 | ||||||||||
1994 | ----- | z | 35.98 | a | 48.34 | b | 56.33 | 62.48 | b | 66.50 | 76.29 | ----- | z | ----- | z | 53.29 | 39.91 | a | 35.95 | a | 52.79 | c | ||||
1995 | 34.65 | 42.48 | a | ----- | z | 52.83 | d | 63.02 | 66.75 | 73.92 | 69.82 | 67.77 | ----- | z | 45.22 | a | 34.16 | 55.06 | b | |||||||
1996 | 30.58 | 33.33 | 44.45 | a | 54.47 | 56.58 | 65.84 | a | 74.57 | a | 71.95 | 62.97 | 52.11 | 38.64 | a | 30.39 | c | 51.32 | ||||||||
1997 | 33.82 | 39.75 | 46.90 | 51.35 | 62.37 | a | 65.70 | 72.23 | 75.50 | b | 65.35 | 52.60 | b | 42.89 | c | 35.08 | 53.63 | |||||||||
1998 | 36.35 | a | 41.79 | 47.24 | 52.18 | 60.23 | 68.10 | a | 78.48 | 75.56 | 68.87 | 51.68 | a | ----- | z | 35.05 | 55.96 | a | ||||||||
1999 | 39.56 | 42.93 | 45.61 | 50.66 | a | 57.15 | 66.08 | 71.21 | 74.40 | 62.88 | 51.90 | 46.67 | 39.18 | 54.02 | ||||||||||||
2000 | 34.92 | 39.33 | 45.39 | 55.23 | 60.71 | 67.63 | 72.68 | 72.45 | 62.63 | 51.68 | 35.42 | 31.08 | 52.43 | |||||||||||||
2001 | 33.92 | 36.77 | 45.77 | a | 51.33 | 62.15 | 64.73 | 72.98 | 74.92 | ----- | z | 52.98 | a | 42.72 | 36.71 | 52.27 | a | |||||||||
2002 | 38.90 | 38.70 | 43.24 | 53.18 | 58.53 | 68.53 | 75.97 | 72.13 | 64.52 | 50.40 | 41.37 | 38.44 | 53.66 | |||||||||||||
2003 | 39.32 | 40.12 | 50.03 | 53.23 | 59.97 | 69.15 | 76.55 | 74.18 | 66.92 | 57.26 | 38.95 | 34.76 | 55.04 | |||||||||||||
2004 | 30.05 | 37.26 | 50.48 | 54.82 | 60.97 | 68.83 | 76.55 | 75.03 | 64.08 | 54.81 | 41.00 | 37.33 | a | 54.27 | ||||||||||||
2005 | 31.61 | 38.27 | 48.89 | 53.88 | 62.77 | 66.80 | 74.98 | 74.10 | 63.50 | 55.06 | 40.12 | 30.06 | 53.34 | |||||||||||||
2006 | 41.02 | 37.29 | 45.84 | 52.77 | b | 61.37 | a | 68.35 | 77.24 | 72.45 | 64.87 | 52.17 | a | 42.38 | 31.37 | 53.93 | ||||||||||
2007 | 30.13 | 39.39 | 48.24 | 52.25 | 61.24 | 67.12 | 77.62 | a | 71.79 | 64.37 | 52.27 | 41.03 | 35.65 | 53.42 | ||||||||||||
2008 | 30.52 | 41.52 | c | 44.18 | 48.80 | 61.98 | 65.55 | 74.05 | 72.27 | 64.73 | 52.15 | 43.03 | 27.55 | 52.19 | ||||||||||||
2009 | 32.98 | 36.30 | 42.68 | 51.80 | 60.97 | 69.20 | 76.34 | 74.03 | 66.75 | 50.45 | 42.43 | 26.34 | 52.52 | |||||||||||||
2010 | 38.74 | b | 42.33 | a | 46.89 | 52.90 | 56.40 | 65.13 | 73.74 | 72.58 | 64.67 | 53.95 | 38.67 | 34.58 | a | 53.38 | ||||||||||
2011 | 35.79 | 37.14 | 45.02 | 48.10 | 56.26 | 64.95 | a | 70.32 | 74.18 | 67.69 | a | 54.48 | 40.32 | 32.29 | 52.21 | |||||||||||
2012 | 34.42 | 38.88 | 45.90 | 53.88 | a | 59.10 | 64.18 | 74.40 | 74.31 | 65.55 | 52.89 | 43.41 | a | 37.84 | 53.73 | |||||||||||
2013 | 31.87 | 40.20 | a | 46.81 | 52.90 | 61.44 | 67.75 | 76.84 | 75.65 | 67.55 | 50.31 | 38.68 | 28.27 | a | 53.19 | |||||||||||
2014 | 35.24 | 35.00 | 47.18 | c | 54.17 | a | 62.66 | 67.47 | 78.21 | 75.85 | 66.73 | 58.40 | 39.62 | 36.95 | 54.79 | |||||||||||
2015 | 35.05 | 43.71 | 50.73 | 52.93 | 64.31 | 75.03 | 78.00 | 74.61 | 63.60 | 58.56 | 39.82 | 36.11 | 56.04 | |||||||||||||
2016 | 34.82 | 44.07 | 47.94 | 58.85 | 63.74 | 69.22 | 73.55 | 74.21 | 64.32 | 53.95 | 47.43 | 28.87 | 55.08 | |||||||||||||
2017 | 22.26 | 32.93 | 46.61 | 52.07 | 61.50 | 68.57 | 76.77 | 75.13 | 65.52 | 52.06 | 42.48 | 31.40 | 52.28 | |||||||||||||
2018 | 38.23 | 39.45 | 44.98 | 53.58 | 66.02 | 67.53 | a | 76.66 | 73.81 | 63.67 | 52.34 | 41.05 | 37.00 | 54.53 | ||||||||||||
2019 | 35.98 | 25.11 | 37.03 | 55.27 | 63.42 | 69.20 | 73.08 | 75.24 | 65.43 | 48.23 | 38.52 | a | 34.85 | 51.78 | ||||||||||||
2020 | 40.15 | 41.19 | 45.28 | a | 54.25 | 61.52 | 69.32 | 80.06 | 80.24 | 70.50 | 57.89 | 44.87 | 37.41 | b | 56.89 | |||||||||||
2021 | 38.86 | b | 34.75 | b | 46.57 | a | 54.65 | 62.27 | 74.38 | 79.22 | a | 74.60 | 65.80 | b | 54.24 | 46.13 | 36.22 | a | 55.64 | |||||||
2022 | 31.02 | 38.38 | 48.98 | 47.60 | 57.00 | 66.82 | 77.47 | 78.48 | 68.42 | 58.80 | a | 34.79 | b | 25.21 | 52.75 | |||||||||||
2023 | 35.07 | a | 37.75 | 43.24 | 51.35 | 65.97 | 70.07 | 76.98 | a | 75.48 | 65.57 | 53.89 | 39.65 | 37.55 | a | 54.38 | ||||||||||
2024 | 30.00 | 41.40 | 47.41 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.60 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.61 | 39.07 | 46.45 | 53.52 | 61.80 | 68.54 | 75.33 | 74.13 | 65.72 | 53.97 | 42.07 | 34.73 | 54.02 | |||||||||||||
S.D. | 6.13 | 4.30 | 2.55 | 2.36 | 2.80 | 2.68 | 2.57 | 2.39 | 2.55 | 2.56 | 3.47 | 4.16 | 1.51 | |||||||||||||
SKEW | -1.07 | -0.89 | -0.65 | -0.15 | 0.46 | 0.56 | -0.05 | 0.52 | -0.06 | 0.44 | -0.52 | -0.54 | 0.53 | |||||||||||||
MAX | 46.89 | 47.89 | 51.11 | 58.85 | 70.20 | 75.33 | 81.97 | 80.69 | 70.75 | 60.11 | 48.50 | 42.95 | 58.71 | |||||||||||||
MIN | 14.85 | 25.11 | 37.03 | 47.60 | 56.26 | 62.80 | 67.76 | 69.82 | 59.92 | 48.23 | 30.90 | 23.70 | 50.60 | |||||||||||||
YRS | 76 | 78 | 77 | 77 | 77 | 79 | 79 | 77 | 74 | 78 | 78 | 76 | 66 |