YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | 64.53 | k | 70.25 | 78.47 | m | 74.44 | 69.85 | 59.24 | 42.63 | 35.73 | 58.69 | f | ||||||
1948 | 37.52 | 40.16 | a | 43.50 | 54.65 | j | 65.06 | d | 73.17 | 76.95 | 76.26 | 69.55 | 57.65 | 40.85 | 39.90 | 56.41 | a | |||||||||
1949 | 34.43 | a | 40.34 | 47.50 | 54.78 | 61.92 | 70.03 | 75.13 | 72.44 | 68.82 | 54.18 | 47.00 | 36.24 | 55.23 | ||||||||||||
1950 | 38.02 | 42.82 | 46.76 | 55.23 | 59.65 | 69.70 | 74.71 | 72.84 | 65.45 | 61.98 | 48.03 | 41.39 | 56.38 | |||||||||||||
1951 | 38.29 | 41.34 | 46.23 | 53.70 | 64.19 | 68.77 | 79.10 | 76.45 | 71.45 | 60.00 | 46.95 | 40.39 | 57.24 | |||||||||||||
1952 | 42.35 | 39.74 | 43.19 | 55.43 | 64.13 | 72.30 | 76.21 | 77.00 | 69.59 | a | 58.94 | 44.37 | 37.27 | 56.71 | ||||||||||||
1953 | 40.65 | 40.27 | 49.23 | 54.45 | 57.68 | 73.88 | 77.79 | 74.98 | 68.48 | 57.47 | 47.22 | 34.97 | 56.42 | |||||||||||||
1954 | 39.79 | 45.73 | 47.89 | 60.20 | 64.73 | 72.70 | 77.92 | 73.50 | 70.95 | 61.55 | 47.62 | 38.75 | a | 58.44 | ||||||||||||
1955 | 35.90 | 37.38 | 46.85 | 52.12 | a | 61.80 | a | 70.82 | 75.24 | 73.52 | 68.37 | 59.73 | 46.13 | 41.61 | 55.79 | |||||||||||
1956 | 41.06 | 37.00 | 46.87 | 52.55 | 64.11 | 76.12 | 75.77 | 72.89 | 70.70 | 58.94 | 41.30 | 37.00 | 56.19 | |||||||||||||
1957 | 42.42 | 50.45 | 48.71 | 53.66 | a | 59.81 | 73.12 | 78.00 | 73.06 | 65.92 | 56.18 | 42.72 | 40.58 | a | 57.05 | |||||||||||
1958 | 36.60 | 44.41 | 43.76 | 53.62 | 65.08 | 75.58 | 77.47 | 75.44 | 68.62 | 57.37 | 46.12 | 40.23 | 57.02 | |||||||||||||
1959 | 39.65 | 40.86 | 44.81 | 57.55 | 62.27 | 74.98 | 75.55 | 74.60 | 67.37 | 58.10 | 45.24 | a | 40.90 | 56.82 | ||||||||||||
1960 | 33.03 | 37.10 | 49.26 | 54.87 | 60.97 | 74.03 | 75.29 | 76.24 | 70.50 | 56.65 | 48.28 | 37.53 | a | 56.15 | ||||||||||||
1961 | 38.81 | b | 41.82 | 46.66 | 54.45 | 62.29 | 73.45 | 76.69 | 75.02 | 67.37 | 56.26 | 44.07 | 39.92 | 56.40 | ||||||||||||
1962 | 36.35 | 45.27 | 42.32 | 57.73 | 60.98 | 69.57 | 75.02 | 75.00 | 69.70 | 58.29 | 49.12 | 40.76 | 56.68 | |||||||||||||
1963 | 36.15 | 44.70 | 46.50 | 53.17 | 64.13 | 70.00 | 78.02 | 72.29 | 69.75 | 59.53 | 47.20 | 36.74 | 56.51 | |||||||||||||
1964 | 32.02 | 33.93 | 43.34 | 52.05 | 63.11 | 70.15 | 77.32 | 75.42 | 67.83 | 58.50 | 45.53 | 39.05 | 54.85 | |||||||||||||
1965 | 41.21 | 40.61 | 44.82 | 53.58 | 60.63 | 68.20 | 77.08 | 73.97 | a | 66.22 | 56.95 | 48.73 | 40.26 | 56.02 | ||||||||||||
1966 | 34.89 | 36.75 | 47.06 | 54.68 | 64.13 | 71.38 | 78.15 | 74.05 | 67.57 | 55.58 | 48.58 | 37.73 | 55.88 | |||||||||||||
1967 | 36.03 | 43.36 | 50.87 | 54.52 | 60.40 | 71.48 | 78.18 | 73.03 | 67.68 | 57.55 | 48.27 | 35.29 | 56.39 | |||||||||||||
1968 | 39.44 | 45.33 | 47.10 | 51.57 | 61.08 | 71.76 | a | 75.03 | 70.94 | 65.97 | 58.47 | 45.30 | 36.79 | 55.73 | ||||||||||||
1969 | 42.75 | a | 41.27 | 43.94 | 55.60 | 63.23 | 70.62 | 76.66 | 76.56 | 68.43 | 55.92 | 45.02 | 39.56 | 56.63 | ||||||||||||
1970 | 36.03 | 43.50 | 45.52 | 49.77 | 63.06 | 72.55 | 76.90 | 75.55 | 68.28 | 52.65 | 45.67 | 39.81 | 55.77 | |||||||||||||
1971 | 37.13 | 41.21 | 47.58 | 53.47 | 59.97 | 71.12 | 78.34 | 73.31 | 68.62 | 55.90 | 46.48 | 38.79 | 55.99 | |||||||||||||
1972 | 39.39 | 41.64 | 52.39 | 54.00 | 61.18 | 71.20 | 76.82 | 73.00 | 67.38 | 59.76 | 42.07 | 38.11 | 56.41 | |||||||||||||
1973 | 36.10 | 41.12 | 44.79 | 49.73 | 61.77 | 70.43 | 74.66 | 73.61 | 67.47 | 56.84 | 45.67 | 37.29 | 54.96 | |||||||||||||
1974 | 40.27 | 38.16 | 49.87 | 54.28 | 63.95 | 75.20 | 74.74 | 72.35 | 66.97 | 58.21 | 45.57 | 36.82 | 56.37 | |||||||||||||
1975 | 37.95 | 41.09 | 46.37 | 49.78 | 58.79 | 69.67 | 74.65 | 74.63 | 65.50 | 55.92 | 43.84 | a | 39.15 | 54.78 | ||||||||||||
1976 | 37.02 | 44.47 | 45.98 | 53.22 | 62.19 | 70.22 | 74.05 | 73.31 | 66.52 | 53.79 | 44.60 | 36.56 | 55.16 | |||||||||||||
1977 | 38.82 | 42.32 | ----- | z | 54.52 | 60.52 | 71.73 | 76.56 | 76.43 | a | 69.67 | 59.77 | 47.88 | 41.95 | 58.20 | a | ||||||||||
1978 | 40.89 | 42.09 | 50.32 | 54.73 | 62.48 | 73.72 | 78.34 | 73.44 | 67.85 | 59.85 | 49.35 | 37.31 | 57.53 | |||||||||||||
1979 | 36.76 | 41.95 | 46.60 | 54.05 | 61.16 | 69.63 | 77.47 | 71.77 | a | 68.52 | 59.23 | 42.75 | 40.87 | 55.90 | ||||||||||||
1980 | 42.68 | 44.52 | 46.35 | 53.68 | 59.98 | 74.40 | 78.81 | 74.56 | 69.13 | 54.29 | 45.17 | 43.02 | 57.22 | |||||||||||||
1981 | 43.02 | 44.88 | 47.33 | a | 58.28 | a | 64.23 | 74.97 | 75.40 | 72.66 | 68.75 | 57.88 | a | 47.32 | 41.19 | 57.99 | ||||||||||
1982 | 39.85 | a | 43.48 | a | 47.90 | a | 54.37 | 60.71 | 68.40 | 75.16 | b | 73.98 | a | 67.48 | 53.17 | a | 44.66 | b | 38.41 | b | 55.63 | |||||
1983 | 40.08 | 42.89 | 46.85 | a | 48.71 | f | 60.46 | c | 68.24 | a | 75.64 | c | 74.97 | a | 71.17 | 58.84 | 46.02 | 39.58 | 56.79 | a | ||||||
1984 | 39.68 | 38.76 | 46.22 | a | 52.62 | 67.38 | a | 72.32 | b | 76.39 | 72.67 | b | 69.38 | 56.20 | a | 47.59 | c | 43.05 | b | 56.86 | ||||||
1985 | 38.50 | 42.42 | b | 49.42 | a | 57.02 | 63.89 | 73.45 | 76.71 | 75.42 | 66.55 | 57.71 | 47.12 | 39.84 | 57.34 | |||||||||||
1986 | 42.50 | 45.66 | 50.68 | 56.97 | 64.02 | 72.48 | 74.60 | 75.35 | 66.48 | 55.24 | 45.45 | a | 35.56 | e | 57.08 | |||||||||||
1987 | 36.88 | a | 39.65 | a | 43.76 | b | 54.43 | 59.48 | 69.88 | a | 71.70 | a | 71.60 | a | 64.78 | 59.79 | b | 43.70 | 36.08 | a | 54.31 | |||||
1988 | 37.52 | a | 43.69 | b | 45.18 | 52.30 | 60.35 | 71.15 | 73.44 | d | 71.90 | b | 64.18 | b | 59.26 | 45.03 | a | 37.52 | a | 55.13 | ||||||
1989 | 37.78 | a | 45.33 | h | 50.18 | 58.07 | 63.27 | 70.28 | 75.85 | 72.52 | a | 67.12 | 56.21 | 45.67 | a | 35.63 | a | 57.51 | a | |||||||
1990 | 37.24 | 39.79 | 48.27 | 56.47 | 60.10 | 74.48 | a | 73.27 | 69.88 | a | 69.72 | 55.87 | a | 46.47 | 33.40 | 55.41 | ||||||||||
1991 | 37.48 | b | 43.13 | a | 43.09 | d | 51.00 | b | 59.59 | h | 65.92 | 72.72 | a | 71.94 | 65.43 | a | 57.10 | 43.55 | 36.67 | k | 55.14 | b | ||||
1992 | 35.27 | 41.91 | 46.09 | b | 55.35 | 60.74 | 66.37 | 73.26 | 71.50 | a | 67.03 | 57.45 | b | 40.02 | j | 38.36 | b | 55.76 | a | |||||||
1993 | 42.28 | f | 40.30 | f | 48.86 | m | 52.56 | n | 62.35 | a | 69.88 | 74.16 | b | 72.59 | c | 66.17 | 55.60 | 43.47 | 38.07 | a | 60.28 | d | ||||
1994 | 37.63 | a | 41.13 | a | 49.15 | 54.18 | 62.45 | 74.86 | a | 76.18 | 76.60 | 68.93 | 56.05 | 44.47 | a | 41.73 | 56.95 | |||||||||
1995 | 39.06 | 46.39 | a | 47.45 | 49.98 | a | 58.00 | 67.93 | 73.74 | 75.95 | a | 68.22 | 57.09 | c | 48.57 | 39.72 | a | 56.01 | ||||||||
1996 | 38.24 | 47.24 | 46.38 | b | 54.78 | a | 63.77 | 73.33 | 75.26 | b | 72.34 | 64.09 | a | 54.93 | b | 45.40 | a | 37.47 | 56.10 | |||||||
1997 | 37.60 | 40.18 | 48.02 | a | 51.40 | 63.45 | 67.98 | 74.27 | a | 72.75 | a | 70.56 | c | 54.85 | 45.18 | 35.52 | 55.15 | |||||||||
1998 | 38.00 | 39.55 | 44.85 | 48.10 | 58.31 | 66.67 | a | 75.06 | 73.28 | a | 69.20 | 56.65 | 45.70 | 38.73 | 54.51 | |||||||||||
1999 | 38.97 | 41.68 | 47.52 | b | 50.83 | 61.19 | 68.85 | 74.10 | b | 72.38 | a | 67.85 | 55.38 | b | 45.96 | g | 34.97 | 55.79 | a | |||||||
2000 | 39.52 | a | 42.67 | 46.98 | a | 56.60 | a | 65.52 | a | 72.48 | 75.40 | 72.58 | a | 68.69 | a | 56.14 | b | 39.77 | 37.88 | b | 56.19 | |||||
2001 | 36.16 | 39.90 | c | 46.52 | b | 53.64 | a | 63.24 | 70.95 | a | 74.55 | a | 72.34 | 66.53 | 58.42 | 48.28 | 35.58 | 55.51 | ||||||||
2002 | 36.85 | 40.31 | a | 44.64 | b | 58.19 | a | 61.30 | a | 73.61 | b | 74.84 | b | 72.77 | a | 67.32 | 55.40 | 45.37 | 36.65 | 55.60 | ||||||
2003 | 42.05 | a | 41.84 | 45.52 | 51.65 | 63.02 | 69.98 | 77.32 | 74.95 | 69.65 | 60.56 | 45.73 | 36.77 | 56.59 | ||||||||||||
2004 | 39.32 | a | 37.71 | 51.65 | 52.07 | a | 61.52 | b | 68.30 | c | 72.40 | 70.29 | 63.58 | 54.37 | a | 43.30 | 36.61 | 54.26 | ||||||||
2005 | 40.85 | a | 42.64 | 45.16 | 51.93 | 62.05 | 69.05 | 74.45 | 72.45 | a | 68.40 | 57.11 | 46.12 | b | 37.84 | 55.67 | ||||||||||
2006 | 38.02 | b | 41.86 | 46.75 | e | 55.20 | 64.47 | a | 72.87 | 74.21 | 70.21 | 62.35 | c | 55.17 | b | 46.52 | g | 36.53 | 56.15 | a | ||||||
2007 | 35.87 | 41.50 | 47.74 | 53.27 | 60.27 | t | 69.57 | a | 73.71 | 73.85 | 67.60 | a | 56.15 | 48.50 | 36.73 | 54.95 | a | |||||||||
2008 | 36.32 | a | 40.69 | c | 44.60 | a | 50.57 | a | 59.44 | 70.08 | 73.06 | e | 71.96 | g | 64.68 | b | 55.84 | 44.97 | a | 39.05 | b | 52.66 | a | |||
2009 | 38.47 | 41.57 | 47.13 | a | 51.38 | 63.56 | d | 68.76 | c | 75.98 | a | 75.11 | l | 66.05 | b | 54.65 | 46.23 | 35.88 | a | 53.61 | a | |||||
2010 | 36.17 | a | 39.65 | a | 44.22 | b | 52.68 | 57.92 | 69.83 | 73.62 | e | 72.11 | 68.72 | 56.93 | a | 40.37 | 39.68 | 54.32 | ||||||||
2011 | 34.42 | 36.75 | 48.02 | 54.58 | 57.77 | 69.62 | a | 76.23 | a | 76.89 | v | 70.56 | m | 54.73 | p | 43.83 | 35.48 | a | 50.75 | c | ||||||
2012 | 38.60 | 40.59 | 45.19 | b | 54.91 | a | 63.02 | 71.87 | 75.08 | a | 74.34 | 66.30 | b | 56.40 | 47.27 | 37.73 | 55.94 | |||||||||
2013 | 34.15 | 37.14 | 49.98 | 53.93 | a | 60.98 | 73.32 | 74.28 | a | 72.94 | 66.90 | 52.89 | 45.57 | 36.45 | 54.88 | |||||||||||
2014 | 38.26 | 45.19 | a | 48.71 | 54.55 | a | 60.48 | c | 71.62 | 75.00 | 70.80 | a | 68.91 | b | 58.02 | 43.65 | c | 39.84 | 56.25 | |||||||
2015 | 38.22 | a | 46.04 | 50.34 | 53.18 | 59.10 | b | 72.72 | 74.29 | c | 75.13 | 69.10 | 59.45 | 44.37 | 36.65 | 56.55 | ||||||||||
2016 | 36.34 | b | 43.47 | 48.95 | a | 53.15 | 60.10 | b | 73.95 | 76.15 | 71.65 | 66.34 | a | 58.87 | 47.05 | a | 41.18 | a | 56.43 | |||||||
2017 | 39.39 | 43.80 | 51.65 | a | 54.10 | a | 61.03 | b | 72.56 | d | 74.47 | b | 72.11 | c | 67.17 | c | 58.53 | 51.10 | a | 39.22 | a | 57.09 | ||||
2018 | 39.13 | a | 43.81 | a | 48.55 | 57.70 | 63.10 | 73.29 | b | 75.57 | b | 73.83 | b | 69.55 | a | 56.22 | b | 42.69 | a | 38.83 | a | 56.86 | ||||
2019 | 38.55 | 40.07 | 47.65 | 54.09 | a | 56.93 | b | 68.98 | a | 75.97 | a | 76.40 | a | 69.12 | 54.95 | 47.00 | a | 38.72 | a | 55.70 | ||||||
2020 | 38.95 | 41.33 | b | 49.18 | a | 54.33 | a | 64.47 | a | 70.87 | 77.29 | c | 76.98 | d | 66.42 | 58.55 | b | 47.72 | a | 35.92 | 56.83 | |||||
2021 | 37.15 | 40.27 | b | 44.94 | 55.65 | 62.27 | 74.83 | a | 73.73 | c | 72.09 | b | 67.59 | a | 54.60 | 46.95 | 40.95 | b | 55.92 | |||||||
2022 | 37.58 | 38.05 | 45.76 | 56.03 | a | 62.26 | 72.55 | 75.12 | a | 72.41 | b | 66.97 | a | 53.94 | 40.80 | c | 38.40 | 54.99 | ||||||||
2023 | 36.29 | 38.68 | 45.52 | a | 53.45 | 60.77 | a | 68.05 | b | 79.17 | a | 76.13 | 69.64 | a | 59.45 | a | 47.30 | 39.61 | 56.17 | |||||||
2024 | 39.03 | 43.55 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.29 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.18 | 41.66 | 46.98 | 53.97 | 61.82 | 71.29 | 75.62 | 73.63 | 67.80 | 57.09 | 45.60 | 38.31 | 56.11 | |||||||||||||
S.D. | 2.30 | 2.83 | 2.25 | 2.28 | 2.12 | 2.34 | 1.67 | 1.75 | 1.84 | 2.06 | 2.27 | 2.11 | 0.89 | |||||||||||||
SKEW | 0.02 | 0.11 | 0.23 | 0.06 | -0.08 | -0.04 | 0.15 | 0.15 | -0.44 | 0.03 | -0.39 | 0.15 | -0.04 | |||||||||||||
MAX | 43.02 | 50.45 | 52.39 | 60.20 | 67.38 | 76.12 | 79.17 | 77.00 | 71.45 | 61.98 | 51.10 | 43.05 | 58.44 | |||||||||||||
MIN | 32.02 | 33.93 | 42.32 | 48.10 | 56.93 | 65.92 | 71.70 | 69.88 | 62.35 | 52.65 | 39.77 | 33.40 | 54.26 | |||||||||||||
YRS | 76 | 75 | 74 | 73 | 74 | 77 | 76 | 74 | 76 | 76 | 74 | 76 | 63 |