YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.27 | 44.84 | 47.55 | j | ||
1941 | 44.77 | 50.46 | 47.90 | 55.00 | d | 68.42 | 73.47 | 78.87 | 78.26 | 72.70 | 59.74 | 56.70 | 47.68 | 61.16 | ||||||||||||
1942 | 47.97 | 43.79 | 52.60 | a | 59.53 | 71.19 | 80.23 | 83.48 | 79.32 | 72.45 | a | 61.42 | 58.93 | 49.48 | 63.37 | |||||||||||
1943 | 46.19 | 53.64 | 56.07 | a | 67.60 | 72.10 | a | 80.43 | 83.77 | 85.87 | 76.50 | 65.65 | 54.53 | 40.32 | 65.22 | |||||||||||
1944 | 38.23 | 44.48 | 53.45 | 57.20 | 69.26 | 79.33 | 81.77 | 82.74 | 74.97 | 64.39 | 50.87 | 44.71 | 61.78 | |||||||||||||
1945 | 44.68 | 52.46 | 55.48 | 59.53 | 74.03 | 79.37 | 84.10 | 83.19 | 76.70 | 68.35 | 59.27 | 47.00 | 65.35 | |||||||||||||
1946 | 44.81 | 51.07 | 55.45 | 69.03 | 70.06 | 85.50 | 84.77 | 79.84 | 75.97 | 64.10 | 50.23 | 52.71 | 65.30 | |||||||||||||
1947 | 44.71 | 49.68 | 52.81 | 60.00 | 70.90 | 80.40 | 85.61 | 81.10 | 80.37 | 68.87 | 48.30 | 45.52 | 64.02 | |||||||||||||
1948 | 40.90 | 41.21 | 44.57 | a | 67.93 | 70.00 | 77.57 | 82.81 | 83.10 | 79.20 | 65.71 | 50.87 | 49.55 | 62.78 | ||||||||||||
1949 | 35.40 | a | 44.79 | 55.90 | 60.10 | 70.37 | a | 76.83 | 81.39 | 80.74 | 76.07 | a | 63.73 | a | 64.23 | 47.06 | 63.05 | |||||||||
1950 | 50.19 | 54.32 | 56.13 | 65.57 | 71.13 | 79.43 | 78.61 | 79.42 | 72.10 | 74.87 | 59.07 | 53.87 | 66.23 | |||||||||||||
1951 | 44.39 | 50.21 | 52.68 | 59.83 | 69.90 | 78.47 | 86.19 | 80.32 | 77.87 | 66.19 | 51.33 | 45.77 | 63.60 | |||||||||||||
1952 | 49.39 | 46.69 | 49.10 | 60.13 | 70.87 | 83.97 | 82.55 | 82.97 | 74.03 | 69.10 | 46.47 | 42.23 | 63.12 | |||||||||||||
1953 | 53.48 | 45.61 | 56.29 | 61.63 | 66.48 | 84.30 | 83.19 | 81.23 | 79.03 | 65.42 | 56.20 | 40.19 | 64.42 | |||||||||||||
1954 | 47.90 | 57.11 | 52.63 | a | 69.77 | 70.29 | 82.27 | 83.71 | 80.23 | 77.50 | 66.03 | 57.77 | 47.94 | 66.09 | ||||||||||||
1955 | 41.81 | 43.14 | 55.19 | 62.00 | 67.94 | 77.23 | 80.52 | 78.71 | 77.93 | 69.87 | 56.50 | 52.00 | 63.57 | |||||||||||||
1956 | 52.16 | 45.76 | 58.84 | 63.17 | 77.23 | 86.20 | 84.65 | 82.87 | 82.70 | 69.87 | 53.10 | 50.55 | 67.26 | |||||||||||||
1957 | 47.47 | a | 56.29 | 52.48 | 58.70 | 65.03 | 81.90 | 84.90 | 78.06 | 74.93 | 60.13 | 42.83 | 50.32 | 62.75 | ||||||||||||
1958 | 42.81 | 51.54 | 42.73 | a | 54.73 | 72.06 | 82.13 | 84.81 | 82.42 | 72.70 | 63.94 | 59.00 | 54.00 | 63.57 | ||||||||||||
1959 | 46.40 | a | 47.54 | 54.61 | 62.20 | 69.16 | 79.63 | 81.29 | 81.42 | 76.47 | 63.90 | 55.20 | 44.77 | 63.55 | ||||||||||||
1960 | 37.90 | 40.83 | 56.00 | 65.40 | 72.55 | 82.07 | 79.23 | 83.32 | 77.70 | 64.26 | 57.20 | 37.06 | 62.79 | |||||||||||||
1961 | 43.77 | a | 48.57 | 53.74 | 60.60 | 72.32 | 79.67 | 82.19 | 77.39 | 71.07 | 65.84 | 50.17 | 42.03 | 62.28 | ||||||||||||
1962 | 44.68 | 52.22 | a | 48.87 | 65.83 | 76.03 | 78.57 | 80.00 | 83.87 | 73.83 | 68.23 | a | 55.57 | 48.97 | 64.72 | |||||||||||
1963 | 42.14 | b | 46.50 | 54.23 | 64.77 | 74.32 | 79.83 | 86.68 | 78.77 | 75.67 | 69.52 | 57.57 | 47.77 | 64.81 | ||||||||||||
1964 | 43.29 | 35.45 | 48.68 | 59.40 | 72.42 | 81.77 | 85.84 | 82.90 | 73.73 | 68.29 | 52.83 | 46.77 | 62.61 | |||||||||||||
1965 | 45.90 | 44.68 | 47.30 | a | 63.07 | 68.13 | 75.50 | 81.23 | 78.39 | 70.93 | a | 67.61 | 59.20 | 48.45 | 62.53 | |||||||||||
1966 | 41.90 | 43.89 | 57.68 | 63.73 | 74.23 | 77.70 | 86.13 | 77.06 | 75.53 | 65.81 | 59.30 | 47.52 | 64.21 | |||||||||||||
1967 | 48.48 | 49.96 | 61.90 | 64.63 | 70.42 | 77.93 | 81.52 | 75.39 | 71.73 | 68.52 | 58.97 | a | 38.19 | 63.97 | ||||||||||||
1968 | 42.42 | 49.66 | 51.55 | 59.23 | 69.58 | 81.83 | 78.48 | 77.03 | 74.87 | 69.20 | a | 51.63 | 46.81 | 62.69 | ||||||||||||
1969 | 52.77 | 46.93 | 45.26 | 63.47 | 71.97 | 77.43 | 84.23 | 81.68 | 74.27 | 58.81 | 52.37 | 48.42 | 63.13 | |||||||||||||
1970 | 44.29 | 51.50 | 48.26 | 60.10 | 73.77 | 77.50 | 82.03 | 82.87 | 73.53 | 59.13 | 54.53 | 51.77 | 63.27 | |||||||||||||
1971 | 47.45 | 47.25 | 58.03 | 62.40 | 70.97 | 83.63 | 81.29 | 76.81 | 72.77 | 62.97 | 53.93 | 40.29 | 63.15 | |||||||||||||
1972 | 50.23 | 55.21 | 63.03 | 66.67 | 71.29 | 81.30 | 79.81 | 77.23 | 72.63 | 62.16 | 43.03 | 46.00 | 64.05 | |||||||||||||
1973 | 43.94 | 43.14 | 48.19 | 51.30 | 69.00 | 79.83 | 80.84 | 83.16 | 74.37 | 68.71 | 59.17 | 47.48 | 62.43 | |||||||||||||
1974 | 43.23 | 48.79 | 61.55 | 62.63 | 78.06 | 82.73 | 83.26 | 78.13 | 69.53 | 63.26 | 52.10 | 41.16 | 63.70 | |||||||||||||
1975 | 42.77 | 45.48 | a | 52.10 | 57.60 | 69.58 | 80.03 | 80.10 | 83.00 | 70.63 | 68.68 | 54.03 | 48.42 | 62.70 | ||||||||||||
1976 | 46.65 | 55.41 | 53.65 | 62.63 | 68.68 | 81.47 | 80.65 | 79.35 | 72.93 | 59.61 | 51.00 | 46.84 | 63.24 | |||||||||||||
1977 | 40.90 | 49.29 | 51.68 | 61.00 | 70.77 | 83.23 | 83.87 | 81.16 | 77.77 | 68.42 | 56.27 | 52.23 | 64.72 | |||||||||||||
1978 | 44.19 | 46.64 | 58.33 | a | 66.80 | 69.87 | 80.57 | 86.52 | 80.45 | 74.17 | 66.58 | 49.73 | 41.26 | 63.76 | ||||||||||||
1979 | 36.71 | 45.39 | 53.55 | 62.50 | 67.03 | 76.90 | 84.48 | 79.97 | 76.97 | 69.87 | 48.10 | 51.65 | 62.76 | |||||||||||||
1980 | 47.45 | 52.52 | 53.35 | 61.33 | 67.74 | 87.17 | 89.29 | 83.45 | 77.23 | 65.48 | 52.77 | 55.42 | 66.10 | |||||||||||||
1981 | 49.84 | 55.68 | 51.03 | 67.93 | 69.26 | 85.03 | 84.55 | 79.06 | 74.53 | 62.29 | 59.20 | 52.26 | 65.89 | |||||||||||||
1982 | 45.58 | 44.89 | 53.90 | 61.47 | 69.23 | 77.57 | 83.35 | 81.32 | 72.20 | 63.16 | 51.13 | 41.29 | 62.09 | |||||||||||||
1983 | 46.06 | 44.25 | 50.48 | 55.00 | 66.13 | a | 76.43 | 83.81 | 83.52 | 79.80 | 65.74 | 53.93 | 42.97 | a | 62.34 | |||||||||||
1984 | 43.23 | 50.66 | 51.58 | 59.40 | 76.16 | 78.70 | 83.29 | 79.65 | 75.80 | 56.13 | 52.77 | 44.26 | 62.63 | |||||||||||||
1985 | 39.65 | 47.04 | 52.97 | 64.37 | 70.71 | 79.43 | 82.32 | 82.52 | 71.90 | a | 64.39 | 54.73 | 49.16 | 63.26 | ||||||||||||
1986 | 54.68 | 49.14 | 60.81 | 65.07 | 68.55 | 76.67 | 81.94 | 81.10 | 72.60 | 62.29 | 49.43 | 42.48 | 63.73 | |||||||||||||
1987 | 40.71 | 44.54 | 51.10 | 64.30 | 67.48 | 78.30 | 84.13 | 79.23 | 73.93 | 69.13 | 53.23 | 42.60 | a | 62.39 | ||||||||||||
1988 | 38.42 | 53.14 | 55.68 | 62.97 | 69.81 | 78.53 | 80.06 | 78.10 | 72.83 | 69.61 | 57.47 | 46.81 | 63.62 | |||||||||||||
1989 | 48.87 | 47.21 | 64.81 | 68.80 | 75.35 | 77.83 | 83.03 | 80.68 | 75.03 | 66.16 | 59.50 | 45.94 | 66.10 | |||||||||||||
1990 | 46.26 | 47.14 | 55.29 | 63.67 | 70.03 | 88.33 | 80.29 | 79.42 | 75.33 | 69.29 | 58.73 | 45.00 | 64.90 | |||||||||||||
1991 | 45.03 | a | 54.61 | 55.61 | 64.93 | b | 73.77 | 79.77 | 80.60 | f | 80.55 | b | 73.83 | a | 70.07 | c | 50.75 | b | 45.90 | 63.17 | a | |||||
1992 | 43.41 | b | 50.52 | 59.00 | 69.70 | 71.68 | 79.79 | a | 84.74 | 82.61 | 79.53 | 71.97 | 51.63 | 44.81 | 65.78 | |||||||||||
1993 | 45.68 | 48.00 | 57.23 | 64.97 | 71.03 | 81.47 | 85.61 | 79.26 | 77.10 | 66.48 | 54.13 | 50.21 | b | 65.10 | ||||||||||||
1994 | 50.71 | 51.39 | 55.90 | 62.97 | 70.87 | 86.10 | 85.90 | 83.61 | 76.83 | 66.13 | 55.90 | 52.29 | 66.55 | |||||||||||||
1995 | 46.26 | 57.61 | 56.65 | 59.93 | 69.29 | 76.83 | 82.68 | 83.81 | 76.93 | a | 70.65 | 61.17 | 48.35 | 65.85 | ||||||||||||
1996 | 50.74 | 54.52 | 54.81 | 65.53 | 80.61 | 82.63 | 80.97 | 79.03 | 71.47 | 63.77 | 57.20 | 49.71 | 65.92 | |||||||||||||
1997 | 41.61 | 44.25 | 62.48 | 57.17 | a | 72.00 | 78.57 | 85.35 | 82.87 | 79.27 | 67.77 | 53.60 | 44.55 | 64.13 | ||||||||||||
1998 | 50.77 | 49.36 | 54.23 | 59.37 | 75.84 | 83.79 | a | 83.65 | 79.90 | 80.93 | 65.97 | 58.97 | 51.74 | 66.21 | ||||||||||||
1999 | 52.45 | 57.93 | 58.71 | 61.57 | 69.13 | 79.90 | 83.61 | 80.03 | 74.63 | 70.42 | 65.93 | 49.42 | 66.98 | |||||||||||||
2000 | 54.10 | 58.21 | 51.68 | 67.40 | 79.48 | 80.93 | 85.58 | 86.26 | 82.70 | 61.90 | 44.30 | 44.61 | 66.43 | |||||||||||||
2001 | 34.23 | 44.89 | 51.68 | 67.31 | a | 73.87 | 81.97 | 86.52 | 81.19 | 79.07 | 69.10 | 54.83 | 47.00 | 64.30 | ||||||||||||
2002 | 47.94 | 49.14 | 56.32 | 68.83 | 74.79 | c | 85.57 | 82.68 | 84.10 | 74.03 | 61.19 | 52.60 | 42.68 | 64.99 | ||||||||||||
2003 | 54.48 | 46.25 | 56.32 | 64.47 | 74.52 | 79.50 | 89.39 | 83.10 | 75.83 | 70.94 | 53.73 | 50.00 | 66.54 | |||||||||||||
2004 | 46.06 | 39.28 | 57.90 | 57.40 | 75.26 | 81.07 | 81.84 | 76.10 | 74.00 | 62.78 | m | 43.80 | j | 47.58 | 63.65 | b | ||||||||||
2005 | 49.83 | a | 47.25 | 49.06 | 62.53 | 69.23 | 80.07 | 85.71 | 78.84 | 77.79 | a | 63.77 | 58.04 | b | 52.04 | c | 64.51 | |||||||||
2006 | 51.23 | 52.29 | 54.19 | 69.41 | a | 76.10 | 84.23 | 84.48 | 77.10 | 69.70 | 63.39 | 58.13 | 44.00 | 65.35 | ||||||||||||
2007 | 35.81 | 49.29 | 59.32 | 61.13 | 68.32 | 80.10 | 82.10 | 86.10 | 76.97 | 69.77 | 58.50 | 42.90 | 64.19 | |||||||||||||
2008 | 41.90 | 50.10 | 54.45 | 62.93 | 70.10 | 83.43 | 80.06 | 78.10 | 74.87 | 67.48 | 57.03 | 45.97 | 63.87 | |||||||||||||
2009 | 51.84 | 54.21 | 57.68 | 62.03 | 74.23 | 79.40 | 84.29 | 83.32 | 72.90 | 61.58 | 59.03 | 37.43 | a | 64.83 | ||||||||||||
2010 | 46.67 | a | 39.64 | 51.16 | 63.00 | 70.97 | 84.57 | 81.94 | 84.58 | 81.50 | 66.58 | 53.67 | 50.23 | 64.54 | ||||||||||||
2011 | 48.10 | 42.61 | 62.52 | 66.40 | 71.73 | a | 86.80 | 88.13 | 86.23 | 74.90 | 66.48 | 55.57 | 37.90 | 65.61 | ||||||||||||
2012 | 50.90 | 46.86 | a | 61.06 | 68.27 | 74.06 | 87.57 | 85.48 | 84.35 | 77.73 | 68.03 | 60.93 | 46.71 | 67.66 | ||||||||||||
2013 | 44.65 | 46.86 | 58.39 | 63.53 | 72.48 | 85.77 | 80.48 | 83.03 | 73.33 | 63.00 | 51.17 | 43.16 | 63.82 | |||||||||||||
2014 | 49.61 | 53.75 | 58.29 | 62.20 | 70.39 | 82.87 | 81.35 | 79.06 | 75.50 | 68.94 | 53.67 | 47.10 | 65.23 | |||||||||||||
2015 | 46.65 | 49.70 | a | 58.87 | 63.30 | 65.74 | 79.07 | 82.23 | 83.84 | 81.37 | 66.06 | 55.40 | 47.42 | 64.97 | ||||||||||||
2016 | 45.77 | 54.72 | 58.77 | 62.67 | 68.06 | 85.27 | 90.23 | 79.26 | 77.13 | 74.10 | 56.97 | 50.39 | 66.94 | |||||||||||||
2017 | 45.94 | 55.36 | 65.65 | 63.50 | 70.94 | 84.17 | 84.13 | 77.65 | 74.03 | 66.19 | 62.90 | 53.19 | 66.97 | |||||||||||||
2018 | 52.23 | 51.75 | 58.55 | 66.07 | 77.84 | 87.53 | 83.29 | 80.23 | 76.77 | 60.65 | 52.47 | 45.32 | 66.06 | |||||||||||||
2019 | 43.94 | 49.21 | 53.90 | a | 64.86 | a | 67.39 | 80.73 | 85.03 | 86.97 | 82.10 | 63.84 | 55.77 | 48.42 | 65.18 | |||||||||||
2020 | 47.29 | 48.28 | 57.74 | 65.87 | 77.71 | 85.63 | 86.29 | 88.93 | b | 76.83 | 70.20 | a | 59.07 | 49.19 | 67.75 | |||||||||||
2021 | 45.48 | 46.29 | 55.32 | 63.50 | 70.84 | 80.85 | c | 81.94 | 82.30 | a | 81.37 | 66.52 | 62.57 | b | 54.19 | 65.93 | ||||||||||
2022 | 49.58 | 45.54 | 55.71 | 67.23 | 76.77 | a | 81.47 | 85.29 | 80.00 | 81.47 | 62.26 | 50.29 | f | 49.16 | 66.77 | a | ||||||||||
2023 | 46.48 | 49.64 | 52.74 | 63.72 | a | 72.13 | 80.03 | 90.55 | 86.48 | 79.70 | 67.32 | 56.80 | 47.19 | 66.07 | ||||||||||||
2024 | 44.32 | 51.41 | 53.27 | a | 65.13 | 65.82 | t | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.53 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 45.83 | 48.85 | 54.82 | 62.98 | 71.51 | 81.08 | 83.45 | 81.16 | 75.76 | 66.01 | 54.92 | 46.89 | 64.44 | |||||||||||||
S.D. | 4.47 | 4.61 | 4.44 | 3.71 | 3.24 | 3.17 | 2.59 | 2.79 | 3.14 | 3.59 | 4.46 | 4.13 | 1.53 | |||||||||||||
SKEW | -0.28 | -0.12 | -0.10 | -0.45 | 0.59 | 0.32 | 0.43 | 0.30 | 0.33 | -0.21 | -0.32 | -0.30 | 0.18 | |||||||||||||
MAX | 54.68 | 58.21 | 65.65 | 69.77 | 80.61 | 88.33 | 90.55 | 88.93 | 82.70 | 74.87 | 65.93 | 55.42 | 67.75 | |||||||||||||
MIN | 34.23 | 35.45 | 42.73 | 51.30 | 65.03 | 73.47 | 78.48 | 75.39 | 69.53 | 56.13 | 42.83 | 37.06 | 61.16 | |||||||||||||
YRS | 84 | 84 | 84 | 84 | 83 | 83 | 82 | 83 | 83 | 82 | 82 | 84 | 80 |