YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.68 | 55.13 | 45.84 | 55.55 | i | |||
1942 | 42.10 | 44.00 | 52.10 | 66.87 | 75.06 | 86.10 | 91.94 | 87.97 | 82.00 | 68.52 | 57.90 | 47.23 | 66.81 | |||||||||||||
1943 | 46.03 | 53.36 | 57.29 | 74.33 | 76.19 | 85.30 | 92.00 | 89.13 | 83.93 | 71.00 | 55.67 | 41.03 | 68.77 | |||||||||||||
1944 | 36.26 | 47.07 | 54.39 | 62.80 | 77.03 | 86.77 | 92.94 | 91.29 | 83.80 | 71.52 | ----- | z | 43.55 | 67.95 | a | |||||||||||
1945 | 41.58 | 50.68 | 54.74 | 64.13 | 79.97 | 86.20 | 95.26 | 93.06 | 84.47 | 69.10 | 54.67 | 38.39 | 67.69 | |||||||||||||
1946 | 41.68 | 50.54 | 58.74 | 73.80 | 74.19 | 90.93 | 90.32 | 86.68 | 81.37 | 65.00 | 51.47 | 50.03 | 67.90 | |||||||||||||
1947 | 36.48 | 53.36 | 59.48 | 67.27 | 77.90 | 82.33 | 91.81 | ----- | z | 82.00 | a | 68.03 | 47.87 | 42.19 | 64.43 | a | ||||||||||
1948 | 45.42 | 44.79 | 49.77 | 69.67 | 78.00 | 82.67 | 90.29 | 86.94 | 81.33 | 66.52 | 48.17 | 44.84 | 65.70 | |||||||||||||
1949 | 35.68 | 43.07 | 57.45 | 69.83 | 74.10 | 81.90 | 90.03 | 89.55 | 83.60 | 67.19 | 61.27 | 45.65 | 66.61 | |||||||||||||
1950 | 46.83 | a | 52.54 | 56.16 | 68.97 | 74.58 | 87.77 | 89.45 | 88.81 | 78.73 | 78.68 | 57.87 | 50.03 | 69.20 | ||||||||||||
1951 | 42.37 | a | 48.71 | 54.94 | 64.20 | 76.39 | 84.43 | 95.19 | 88.06 | 83.07 | 67.29 | 48.83 | 37.39 | 65.91 | ||||||||||||
1952 | 41.90 | 45.41 | 50.10 | a | 66.23 | 78.23 | 90.67 | 93.35 | 93.55 | 85.77 | 76.97 | a | 48.57 | 40.35 | 67.59 | |||||||||||
1953 | 46.16 | 49.19 | a | 56.77 | 63.00 | 72.00 | 89.93 | 92.94 | 88.81 | 85.83 | 68.71 | 54.57 | 34.84 | 66.90 | ||||||||||||
1954 | 44.10 | 56.04 | 53.94 | 73.10 | 79.26 | 87.97 | 91.87 | 88.10 | 81.70 | 70.48 | 58.53 | 39.61 | 68.72 | |||||||||||||
1955 | 37.52 | 37.82 | 56.00 | 64.00 | 73.68 | 85.37 | 91.58 | 90.13 | 85.03 | 73.10 | 52.93 | 45.81 | 66.08 | |||||||||||||
1956 | 48.26 | 42.93 | 58.74 | 65.70 | 80.35 | 90.43 | 90.13 | 86.84 | 86.23 | 70.58 | 47.20 | 42.32 | 67.48 | |||||||||||||
1957 | 41.29 | 52.75 | 54.74 | 61.40 | 69.23 | 85.17 | 88.55 | 86.74 | 81.97 | 64.19 | 47.13 | 45.77 | 64.91 | |||||||||||||
1958 | 42.74 | 51.71 | 48.81 | 62.80 | 80.74 | 89.87 | 90.68 | 90.87 | 79.37 | 68.84 | 53.33 | 49.61 | 67.45 | |||||||||||||
1959 | 44.29 | 47.50 | 56.52 | 66.40 | 77.23 | 90.63 | 93.74 | 87.29 | 80.63 | 67.68 | 52.80 | 44.87 | 67.46 | |||||||||||||
1960 | 36.74 | 41.48 | 59.71 | 68.40 | 76.16 | 89.70 | 93.00 | 91.74 | 84.53 | 64.55 | 55.83 | 34.26 | 66.34 | |||||||||||||
1961 | 36.55 | 49.18 | 55.97 | 66.13 | 77.65 | 90.73 | 92.26 | 87.84 | 76.97 | 67.68 | 50.03 | 30.65 | 65.14 | |||||||||||||
1962 | 32.48 | 46.64 | 53.23 | 71.93 | 76.52 | 86.60 | 91.29 | 91.58 | 80.77 | 69.48 | 56.23 | 45.42 | 66.85 | |||||||||||||
1963 | 32.61 | 50.18 | 56.71 | 66.60 | 81.68 | 87.47 | 93.29 | 86.39 | 84.03 | 73.81 | 54.37 | 41.68 | 67.40 | |||||||||||||
1964 | 41.58 | 43.66 | 51.58 | 61.67 | 76.97 | 85.70 | 92.58 | 87.03 | 78.37 | 72.77 | 50.83 | 39.03 | 65.15 | |||||||||||||
1965 | 42.06 | 46.54 | 52.77 | 64.47 | 73.03 | 82.27 | 89.87 | 88.32 | 76.23 | 71.65 | 57.00 | 44.00 | 65.68 | |||||||||||||
1966 | 40.42 | 43.32 | 59.94 | 67.57 | 80.58 | 86.57 | 93.13 | 89.58 | 81.03 | 69.61 | 58.97 | 40.55 | 67.61 | |||||||||||||
1967 | 40.58 | 51.46 | 62.90 | 66.07 | 74.87 | 82.73 | 91.48 | 86.65 | 79.33 | 70.71 | 57.47 | 35.42 | 66.64 | |||||||||||||
1968 | 34.45 | 51.72 | 57.35 | 61.63 | 73.94 | 86.80 | 88.90 | 83.13 | 79.07 | 67.48 | 46.83 | 36.61 | 63.99 | |||||||||||||
1969 | 40.77 | 44.11 | 49.03 | 66.77 | 78.26 | 82.77 | 90.61 | 90.06 | 81.77 | 58.71 | 49.37 | 42.71 | 64.58 | |||||||||||||
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | 45.26 | 45.75 | 56.68 | 62.33 | 77.35 | 85.70 | 92.16 | 89.87 | 85.30 | 66.52 | 54.37 | 45.90 | 67.27 | |||||||||||||
1999 | 48.97 | b | 54.46 | 64.16 | 62.33 | 73.19 | 86.60 | 88.55 | 84.19 | 79.27 | 72.42 | 62.59 | a | 43.74 | 68.37 | |||||||||||
2000 | 46.19 | 52.83 | 55.90 | 70.87 | 82.42 | 90.77 | 94.52 | 92.29 | 84.67 | 65.77 | 46.37 | 44.55 | 68.93 | |||||||||||||
2001 | 41.07 | a | 48.36 | 58.62 | b | 68.07 | 80.32 | 90.40 | 91.81 | 88.90 | a | 85.54 | b | 72.23 | a | 56.77 | 42.94 | 68.75 | ||||||||
2002 | 43.58 | 49.18 | 57.23 | 72.70 | 79.68 | 93.33 | 94.48 | 90.87 | 79.43 | 63.77 | 51.83 | 41.39 | 68.12 | |||||||||||||
2003 | 49.61 | 47.04 | 56.74 | 66.73 | 79.55 | 88.20 | 97.68 | 91.35 | 81.77 | 72.68 | 51.20 | 45.60 | a | 69.01 | ||||||||||||
2004 | 41.84 | 44.90 | 66.74 | 65.13 | 80.29 | 90.23 | 93.61 | 90.13 | 80.14 | b | 66.68 | 51.90 | 44.35 | 68.00 | ||||||||||||
2005 | 48.65 | 50.18 | 57.26 | 68.43 | 80.35 | 88.67 | 98.81 | 90.45 | 84.70 | 70.13 | 58.13 | 46.07 | b | 70.15 | ||||||||||||
2006 | 46.87 | 52.64 | 55.84 | 70.24 | a | 82.65 | 92.37 | 92.16 | 87.68 | 75.77 | 64.48 | 56.67 | 43.52 | 68.41 | ||||||||||||
2007 | 38.87 | 49.11 | 62.16 | 67.77 | 76.16 | 91.23 | 95.06 | 92.29 | 82.90 | a | 70.68 | 59.83 | 39.90 | 68.83 | ||||||||||||
2008 | 35.19 | 45.21 | 59.19 | 67.40 | 75.10 | 88.87 | 93.45 | 90.58 | 82.93 | 70.29 | 56.93 | 42.03 | 67.26 | |||||||||||||
2009 | 43.77 | 52.89 | 59.97 | 66.53 | 80.39 | 83.97 | 95.74 | 91.77 | 82.27 | 64.45 | 57.03 | 37.74 | 68.04 | |||||||||||||
2010 | 37.52 | 44.61 | 56.90 | 67.07 | 76.03 | 89.87 | 93.13 | 88.06 | 84.73 | 70.71 | 52.90 | 47.55 | 67.42 | |||||||||||||
2011 | 37.65 | 45.96 | 61.58 | 66.63 | 73.84 | 89.81 | c | 94.77 | 94.06 | 81.79 | b | 67.90 | 53.03 | 41.55 | 67.38 | |||||||||||
2012 | 47.42 | 49.46 | a | 62.16 | 71.80 | 81.81 | 94.03 | 92.14 | b | 91.90 | 83.40 | 71.52 | 59.40 | 42.87 | 70.66 | |||||||||||
2013 | 37.55 | 45.14 | 61.48 | 67.43 | 77.23 | 93.37 | 93.48 | 89.71 | 80.60 | 65.10 | 53.43 | 40.48 | 67.08 | |||||||||||||
2014 | 47.71 | 53.54 | 59.35 | 66.33 | 76.06 | 89.70 | 93.77 | 87.29 | 83.30 | 71.16 | 55.80 | 44.13 | 69.01 | |||||||||||||
2015 | 43.87 | 53.39 | 64.52 | 67.13 | 71.45 | 87.60 | 88.71 | 90.39 | 84.80 | 71.55 | 53.57 | 41.55 | 68.21 | |||||||||||||
2016 | 41.42 | 53.24 | 61.45 | 66.20 | 74.55 | 92.77 | 93.74 | 85.48 | 80.43 | 73.23 | 56.30 | 44.87 | 68.64 | |||||||||||||
2017 | 42.13 | 53.14 | 64.45 | 65.03 | 74.29 | 92.43 | 92.84 | 88.94 | 81.57 | 70.71 | 61.83 | 49.90 | 69.77 | |||||||||||||
2018 | 48.71 | 52.00 | 58.90 | 70.47 | 80.81 | 90.97 | 93.65 | 90.81 | 85.13 | 65.68 | 52.57 | 42.65 | 69.36 | |||||||||||||
2019 | 41.48 | 44.64 | 58.19 | 69.37 | 69.84 | 87.20 | 94.29 | 94.16 | 84.20 | 66.13 | 55.25 | b | 42.34 | b | 67.26 | |||||||||||
2020 | 44.32 | 50.69 | 59.65 | 69.87 | 83.39 | 91.17 | 94.29 | 96.06 | 84.10 | 73.87 | 58.50 | 41.61 | 70.63 | |||||||||||||
2021 | 44.06 | 49.46 | 57.32 | 70.50 | 79.97 | 93.03 | 95.10 | 91.77 | 84.37 | 68.03 | 60.07 | 46.90 | 70.05 | |||||||||||||
2022 | 47.13 | 49.11 | 59.39 | 70.30 | 80.90 | 89.97 | 93.74 | 90.48 | 85.97 | 67.58 | 51.13 | 46.29 | 69.33 | |||||||||||||
2023 | 42.48 | 46.86 | 52.45 | 67.53 | 79.23 | 86.60 | 99.16 | 92.19 | 84.83 | a | 72.84 | 56.76 | e | 46.90 | 68.99 | |||||||||||
2024 | 43.55 | b | 52.66 | 58.52 | 69.65 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.57 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.11 | 48.66 | 57.39 | 67.22 | 77.23 | 88.23 | 92.77 | 89.58 | 82.35 | 69.12 | 54.35 | 42.85 | 67.68 | |||||||||||||
S.D. | 4.34 | 3.93 | 3.95 | 3.20 | 3.32 | 3.23 | 2.33 | 2.58 | 2.59 | 3.55 | 4.11 | 4.07 | 1.54 | |||||||||||||
SKEW | -0.32 | -0.35 | -0.09 | 0.17 | -0.29 | -0.25 | 0.42 | -0.02 | -0.60 | -0.02 | -0.17 | -0.61 | -0.27 | |||||||||||||
MAX | 49.61 | 56.04 | 66.74 | 74.33 | 83.39 | 94.03 | 99.16 | 96.06 | 86.23 | 78.68 | 62.59 | 50.03 | 70.66 | |||||||||||||
MIN | 32.48 | 37.82 | 48.81 | 61.40 | 69.23 | 81.90 | 88.55 | 83.13 | 75.77 | 58.71 | 46.37 | 30.65 | 63.99 | |||||||||||||
YRS | 55 | 55 | 55 | 54 | 54 | 54 | 54 | 53 | 54 | 55 | 54 | 55 | 52 |