YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | 62.10 | 63.20 | 64.55 | 69.20 | 80.39 | 74.32 | 65.27 | 60.00 | 54.17 | 47.90 | 64.11 | b | ||||||||||
1942 | 45.77 | 48.89 | 53.26 | 60.97 | 62.94 | 66.40 | 76.74 | 77.94 | 72.17 | 66.23 | 50.93 | 47.32 | 60.80 | |||||||||||||
1943 | 40.35 | 50.89 | 53.00 | 61.77 | 62.48 | 67.59 | a | 75.42 | 74.00 | f | 73.60 | 61.13 | a | 52.66 | a | 47.06 | 58.72 | a | ||||||||
1944 | 46.77 | 47.93 | 52.48 | 58.70 | 64.90 | 68.30 | 75.97 | 73.26 | 72.27 | 65.00 | 51.71 | b | 44.97 | a | 60.19 | |||||||||||
1945 | 47.45 | 48.43 | 50.94 | 54.00 | 66.94 | 68.53 | 78.10 | 76.42 | 67.23 | 62.68 | 49.57 | 46.39 | 59.72 | |||||||||||||
1946 | 46.61 | 48.54 | 51.97 | 57.90 | 68.55 | 67.73 | 75.19 | 75.77 | 69.83 | 56.87 | 49.23 | 44.65 | 59.40 | |||||||||||||
1947 | 41.94 | 52.14 | 57.71 | 61.10 | a | 69.77 | 69.60 | 75.16 | 75.45 | 71.83 | 60.84 | 50.43 | 48.16 | 61.18 | ||||||||||||
1948 | 44.47 | a | 45.66 | 51.74 | 55.48 | a | 61.55 | 73.36 | b | 74.06 | 70.90 | 70.23 | 61.42 | 48.77 | 42.74 | 58.37 | ||||||||||
1949 | 37.81 | 44.21 | 55.00 | 61.33 | 69.65 | 71.47 | 74.65 | 75.58 | 73.27 | 57.42 | 58.63 | 44.32 | 60.28 | |||||||||||||
1950 | 33.58 | 46.93 | 49.13 | 57.07 | 63.10 | 70.63 | 76.16 | 77.84 | 72.20 | 58.13 | 50.70 | 50.35 | 58.82 | |||||||||||||
1951 | 44.29 | 49.79 | 47.77 | 64.67 | 66.06 | 73.50 | 78.61 | 75.81 | 73.27 | 60.00 | 51.30 | 42.39 | 60.62 | |||||||||||||
1952 | 42.61 | 48.03 | 50.16 | 61.13 | 66.06 | 67.03 | 77.52 | 76.71 | 74.33 | 66.35 | 49.13 | 48.29 | 60.61 | |||||||||||||
1953 | 49.61 | 49.50 | 52.10 | 56.97 | 63.94 | 65.13 | 74.68 | 74.39 | 71.70 | 62.65 | 53.43 | 47.32 | 60.12 | |||||||||||||
1954 | 41.84 | 50.25 | 52.00 | 55.77 | 64.87 | 64.53 | 69.65 | 69.26 | 67.67 | 59.45 | 55.07 | 45.55 | 57.99 | |||||||||||||
1955 | 43.52 | 45.00 | 45.87 | 53.43 | 60.68 | 67.93 | 68.06 | 72.06 | 67.30 | 58.13 | 45.27 | 44.58 | 55.99 | |||||||||||||
1956 | 44.84 | 41.00 | 48.00 | 61.40 | 69.74 | 65.33 | 76.32 | 74.61 | 68.67 | 58.00 | 48.50 | 46.13 | 58.55 | |||||||||||||
1957 | 38.30 | a | 45.14 | 51.77 | 58.60 | 67.68 | 69.60 | 72.16 | 72.19 | 75.07 | 59.77 | a | 50.80 | 49.10 | 59.18 | |||||||||||
1958 | 49.61 | 54.00 | 53.52 | 58.93 | 71.52 | 72.67 | 82.74 | 80.87 | 70.90 | 62.81 | 49.87 | 50.52 | 63.16 | |||||||||||||
1959 | 46.42 | 46.00 | 51.68 | 59.17 | 63.26 | 69.00 | 77.45 | 74.61 | 65.20 | 59.74 | 51.17 | 45.68 | 59.11 | |||||||||||||
1960 | 43.94 | 49.17 | 51.42 | 58.67 | 61.13 | 69.97 | 79.06 | 72.06 | 67.57 | 60.68 | 50.83 | 44.97 | 59.12 | |||||||||||||
1961 | 50.32 | 49.93 | 52.90 | 55.20 | 63.58 | 74.20 | 77.77 | 80.39 | 69.63 | 59.45 | 49.33 | 44.97 | 60.64 | |||||||||||||
1962 | 44.32 | 50.89 | 50.39 | 59.73 | 58.39 | 69.50 | 74.35 | 73.81 | 71.03 | 61.06 | 52.47 | 46.94 | 59.41 | |||||||||||||
1963 | 39.81 | 56.11 | 51.84 | 55.80 | 66.29 | 66.87 | 70.84 | 73.68 | 73.43 | 62.16 | 51.03 | 46.48 | 59.53 | |||||||||||||
1964 | 45.65 | 49.03 | 50.45 | 54.57 | 61.42 | 65.90 | 72.52 | 71.00 | 66.70 | 61.97 | 45.73 | 41.00 | 57.16 | |||||||||||||
1965 | 43.16 | 47.50 | 55.71 | 58.53 | 61.35 | 69.93 | 77.45 | 74.97 | 67.17 | 64.35 | 53.37 | 44.81 | 59.86 | |||||||||||||
1966 | 43.81 | 49.00 | 52.03 | 58.60 | 65.16 | 67.87 | 71.39 | 75.16 | 70.83 | 60.29 | 52.47 | 48.55 | 59.60 | |||||||||||||
1967 | 46.32 | 48.43 | 48.58 | 54.07 | 64.10 | 72.70 | 77.35 | 82.48 | 76.67 | 60.65 | 52.13 | 44.13 | 60.63 | |||||||||||||
1968 | 44.52 | 54.10 | 55.26 | 56.23 | 64.45 | 68.80 | 77.45 | 72.06 | 68.23 | 58.00 | 51.67 | 41.29 | 59.34 | |||||||||||||
1969 | 37.16 | 46.68 | 54.68 | 56.97 | 67.94 | 72.50 | 74.65 | 73.55 | 69.03 | 59.03 | 50.77 | 47.52 | 59.21 | |||||||||||||
1970 | 44.35 | 53.00 | 54.00 | 54.33 | 64.13 | 73.83 | 76.81 | 76.26 | 66.83 | 58.39 | 51.53 | 42.58 | 59.67 | |||||||||||||
1971 | 44.00 | 47.21 | 48.26 | 56.60 | 64.48 | 63.50 | 76.19 | 79.71 | 67.73 | 57.00 | 49.27 | 40.77 | 57.89 | |||||||||||||
1972 | 40.90 | 46.86 | 52.45 | 53.50 | 66.16 | 67.63 | 75.97 | 77.00 | 65.77 | 58.10 | 50.13 | 41.65 | 58.01 | |||||||||||||
1973 | 44.00 | 50.14 | 52.26 | 58.57 | 66.03 | 67.03 | 75.45 | 71.81 | 70.17 | 57.87 | 46.10 | 47.35 | 58.90 | |||||||||||||
1974 | 42.16 | 46.29 | 51.32 | 54.83 | 59.55 | 69.73 | 72.32 | 76.13 | 76.77 | 62.71 | 50.40 | 47.29 | 59.13 | |||||||||||||
1975 | 43.58 | 46.14 | 49.68 | 53.00 | 63.58 | 67.17 | 75.29 | 70.16 | 71.23 | 56.90 | 49.72 | a | 45.55 | 57.67 | ||||||||||||
1976 | 45.90 | 45.48 | 47.65 | 56.77 | 64.03 | 65.37 | 73.00 | 68.52 | 69.13 | 60.29 | 50.90 | 46.61 | 57.80 | |||||||||||||
1977 | 40.03 | 53.11 | 49.23 | 60.93 | 59.58 | 70.00 | 72.94 | 80.19 | 66.70 | 59.42 | 48.93 | 45.71 | 58.90 | |||||||||||||
1978 | 46.13 | 50.32 | 54.94 | 57.17 | 61.90 | 73.57 | 74.74 | 73.42 | 64.43 | 62.84 | 47.33 | 41.35 | 59.01 | |||||||||||||
1979 | 40.00 | 46.71 | 56.77 | 56.80 | 65.52 | 71.87 | 76.81 | 73.39 | 71.50 | 62.13 | 48.83 | 49.45 | 59.98 | |||||||||||||
1980 | 40.81 | 48.24 | 50.26 | 61.13 | 63.35 | 65.07 | 73.84 | 73.16 | 68.47 | 63.26 | 52.83 | 48.13 | 59.05 | |||||||||||||
1981 | 48.74 | 50.14 | 57.00 | 56.87 | 62.58 | 65.77 | 72.26 | 80.65 | 71.80 | 58.23 | 54.20 | 45.68 | 60.33 | |||||||||||||
1982 | 42.52 | b | 47.61 | 52.06 | 55.90 | 64.10 | 73.80 | 71.68 | 74.45 | 69.20 | 59.97 | 48.70 | 45.84 | 58.82 | ||||||||||||
1983 | 48.90 | 52.64 | 55.68 | 60.07 | 67.06 | 66.83 | 70.03 | 74.13 | 66.87 | 58.90 | 52.23 | 39.70 | a | 59.42 | ||||||||||||
1984 | 47.42 | 49.72 | 54.61 | 56.37 | 60.74 | 67.17 | a | 76.16 | 76.29 | 69.83 | 57.39 | 49.33 | 41.77 | 58.90 | ||||||||||||
1985 | 42.13 | 45.48 | a | 50.77 | a | 57.37 | 64.48 | 69.43 | 82.42 | 76.35 | 66.87 | 59.74 | 40.52 | a | 39.48 | 57.92 | ||||||||||
1986 | 49.23 | a | 47.52 | g | 57.37 | a | 55.90 | 63.60 | a | 73.17 | 70.10 | 80.48 | 67.17 | a | 61.48 | 49.23 | 45.16 | 61.17 | a | |||||||
1987 | 44.83 | a | 51.50 | 54.58 | 61.53 | 66.03 | a | 72.83 | 73.42 | 76.55 | 73.10 | 65.06 | 52.90 | 43.39 | 61.31 | |||||||||||
1988 | 44.45 | 48.59 | 53.19 | 57.50 | 63.10 | 67.90 | 75.26 | 75.39 | 70.20 | 60.03 | 50.30 | 45.61 | 59.29 | |||||||||||||
1989 | 44.39 | 40.89 | 48.68 | 61.87 | 64.06 | 72.30 | 72.10 | 73.29 | 73.90 | 59.57 | a | 50.70 | 45.26 | 58.92 | ||||||||||||
1990 | 46.13 | 43.86 | 54.55 | 59.27 | 62.10 | 68.48 | a | 78.16 | 77.00 | 71.43 | 57.84 | 50.70 | 38.71 | 59.02 | ||||||||||||
1991 | 43.58 | 53.82 | 49.80 | a | 56.03 | 60.06 | 64.90 | 76.52 | 77.73 | a | 71.73 | 60.71 | 50.73 | 46.03 | 59.30 | |||||||||||
1992 | 48.06 | 52.48 | 56.97 | 61.53 | 69.45 | 75.10 | 74.77 | 78.16 | 69.37 | 60.03 | 49.73 | 43.57 | a | 61.60 | ||||||||||||
1993 | 41.90 | 48.75 | 54.58 | 56.69 | a | 68.27 | a | 68.10 | 67.58 | 74.26 | 72.60 | 61.68 | 46.37 | 44.42 | 58.77 | |||||||||||
1994 | 47.87 | 43.96 | 55.42 | 59.90 | 66.13 | 68.83 | 79.94 | 76.48 | 72.21 | a | 58.97 | 46.23 | 46.26 | 60.18 | ||||||||||||
1995 | 48.93 | a | 50.21 | 53.84 | 58.23 | 67.52 | 70.57 | 76.45 | ----- | z | 72.17 | 59.10 | 54.33 | 46.45 | 59.80 | a | ||||||||||
1996 | 44.23 | a | 48.72 | 53.52 | 58.10 | 58.71 | 68.80 | 78.10 | 77.10 | 65.60 | 57.74 | 47.33 | 43.48 | 58.45 | ||||||||||||
1997 | 46.35 | 48.25 | 51.94 | 56.83 | 67.47 | a | 68.10 | 74.40 | a | 78.17 | b | 70.70 | 56.62 | b | 54.63 | 46.94 | 60.03 | |||||||||
1998 | 47.19 | 51.14 | 52.94 | 57.30 | 60.61 | 68.55 | a | 77.52 | 77.29 | 73.00 | b | 60.47 | a | 50.97 | 43.87 | 60.07 | ||||||||||
1999 | 46.45 | 47.22 | a | 50.94 | 57.17 | 60.35 | 65.03 | 72.19 | 73.88 | f | 70.45 | a | 58.94 | 53.63 | 44.81 | 57.02 | a | |||||||||
2000 | 44.19 | 49.24 | 50.81 | 59.03 | 61.94 | 68.97 | 73.16 | 73.87 | 68.23 | 59.13 | 47.57 | 44.74 | 58.41 | |||||||||||||
2001 | 45.97 | 46.68 | 52.42 | 54.97 | a | 64.53 | a | 65.73 | 72.86 | b | 74.35 | 67.83 | 57.32 | 52.57 | 46.03 | 58.44 | ||||||||||
2002 | 46.63 | a | 48.04 | 47.77 | a | 55.40 | 61.80 | a | 71.07 | 75.03 | 74.80 | a | 70.59 | a | 57.68 | 53.24 | a | 47.17 | a | 59.10 | ||||||
2003 | 50.87 | 47.11 | 52.81 | 55.93 | 63.94 | 72.48 | a | 79.87 | 77.57 | a | 71.70 | 61.48 | 46.86 | a | 46.16 | 60.57 | ||||||||||
2004 | 43.61 | 49.93 | 55.61 | 62.50 | 64.48 | 72.04 | b | 77.42 | 76.65 | 65.33 | 60.23 | a | 50.59 | a | 46.45 | 60.40 | ||||||||||
2005 | 47.00 | 50.21 | 56.19 | 57.07 | b | 65.57 | a | 66.03 | 75.00 | 78.33 | a | 67.37 | 59.30 | a | 46.57 | 44.61 | 59.44 | |||||||||
2006 | 48.58 | 45.96 | 51.00 | a | 58.52 | a | 64.60 | a | 70.96 | c | 77.13 | 76.23 | a | 71.69 | a | 59.14 | c | 49.72 | a | 45.39 | 59.91 | |||||
2007 | 43.65 | 48.21 | 54.03 | b | 56.23 | 64.61 | 67.07 | 75.48 | 72.48 | 66.77 | 56.59 | d | 48.87 | 44.32 | 58.19 | |||||||||||
2008 | 42.74 | 47.55 | 48.81 | 51.90 | 62.55 | 65.17 | 74.16 | 73.81 | 67.67 | 57.87 | 53.53 | 40.71 | 57.21 | |||||||||||||
2009 | 41.90 | a | 46.86 | 47.10 | 56.37 | 64.33 | a | 71.67 | 78.87 | 74.61 | 70.03 | 57.58 | 51.10 | 41.23 | 58.47 | |||||||||||
2010 | 50.29 | 51.36 | 53.39 | 54.83 | 58.87 | 64.67 | 73.84 | 73.94 | 65.90 | a | 59.03 | 48.10 | 47.90 | 58.51 | ||||||||||||
2011 | 45.52 | 44.32 | 51.16 | 50.67 | 58.19 | 64.57 | ----- | z | ----- | z | ----- | z | 57.32 | 50.55 | a | 42.65 | 51.66 | c | ||||||||
2012 | 44.68 | 48.00 | 47.71 | 56.69 | a | 61.68 | 63.77 | 71.23 | 75.71 | 70.43 | 59.10 | 51.00 | 44.33 | a | 57.86 | |||||||||||
2013 | ----- | z | 47.46 | o | 52.35 | k | 58.15 | j | 66.00 | k | 71.10 | j | 79.06 | o | ----- | z | 68.67 | r | 53.91 | i | 48.44 | u | 40.90 | j | ----- | z |
2014 | 47.32 | l | 44.11 | i | 54.10 | j | 58.73 | h | 68.43 | j | 68.81 | i | 79.38 | j | 79.86 | j | 71.61 | l | 63.00 | l | 53.12 | n | 48.57 | j | ----- | z |
2015 | 49.20 | k | 53.33 | j | 58.58 | l | 58.55 | j | 65.18 | n | 76.68 | k | 81.18 | i | 79.86 | j | 67.15 | j | 62.55 | k | 50.41 | m | 46.73 | i | ----- | z |
2016 | 48.67 | m | 53.44 | k | 53.70 | h | 64.42 | k | 67.38 | j | 70.64 | h | 73.37 | l | 78.87 | h | 68.43 | i | 59.30 | k | 56.32 | k | 42.57 | j | ----- | z |
2017 | 42.75 | k | 46.50 | j | 51.77 | i | 56.20 | j | 65.00 | i | 70.29 | i | 78.20 | k | 80.83 | h | 71.55 | j | 59.82 | i | 50.35 | m | 43.55 | k | ----- | z |
2018 | 49.52 | j | 44.74 | i | 51.68 | i | 57.67 | i | 69.09 | i | 70.14 | i | 80.38 | j | 79.52 | h | 68.11 | k | 60.00 | i | 53.84 | k | 48.90 | k | ----- | z |
2019 | 48.55 | k | 40.28 | j | 54.65 | k | 58.45 | j | 67.45 | i | 70.20 | j | 74.43 | j | 77.41 | i | 69.26 | k | 57.38 | j | 50.56 | n | 46.19 | j | ----- | z |
2020 | 48.38 | j | 48.53 | j | 50.05 | i | 59.09 | s | 66.26 | l | 70.23 | h | 76.00 | i | 77.29 | j | 73.81 | i | 60.74 | l | 51.83 | l | 47.52 | j | ----- | z |
2021 | 47.58 | l | 45.32 | i | 51.43 | h | 61.32 | h | 62.65 | k | 74.70 | j | 78.55 | k | 78.18 | i | 69.19 | i | 57.67 | j | 52.95 | k | 41.67 | j | ----- | z |
2022 | 47.00 | k | 45.53 | i | 52.04 | h | 53.10 | j | 60.45 | k | 68.95 | i | 80.10 | k | 81.09 | h | 74.48 | i | 64.81 | j | 46.63 | k | 41.24 | j | ----- | z |
2023 | 48.30 | k | 44.58 | i | 49.57 | h | 51.80 | j | 71.05 | i | 72.95 | i | 79.16 | l | 78.65 | h | 68.35 | j | 60.68 | i | 49.16 | k | 49.60 | k | ----- | z |
2024 | 47.05 | j | 48.55 | i | 50.11 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.59 | 48.50 | 52.33 | 57.61 | 64.08 | 68.89 | 75.19 | 75.34 | 69.90 | 59.96 | 50.42 | 45.12 | 59.29 | |||||||||||||
S.D. | 3.32 | 2.93 | 2.97 | 2.76 | 2.95 | 2.95 | 3.04 | 2.82 | 2.84 | 2.28 | 2.73 | 2.57 | 1.17 | |||||||||||||
SKEW | -0.56 | -0.01 | 0.32 | 0.15 | 0.17 | 0.19 | -0.09 | 0.12 | 0.17 | 0.84 | -0.38 | -0.38 | 0.25 | |||||||||||||
MAX | 50.87 | 56.11 | 62.10 | 64.67 | 71.52 | 75.10 | 82.74 | 82.48 | 76.77 | 66.35 | 58.63 | 50.52 | 63.16 | |||||||||||||
MIN | 33.58 | 40.89 | 45.87 | 50.67 | 58.19 | 63.50 | 67.58 | 68.52 | 64.43 | 56.59 | 40.52 | 38.71 | 55.99 | |||||||||||||
YRS | 71 | 70 | 72 | 72 | 72 | 72 | 71 | 68 | 71 | 72 | 72 | 72 | 66 |