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 | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | 58.71 | 65.60 | 77.23 | 86.50 | 89.00 | 89.65 | 81.87 | 70.29 | 55.67 | 44.61 | 71.91 | b | ||||||||||
1945 | 48.16 | 58.04 | 62.13 | 66.03 | 81.00 | 87.40 | 90.03 | 88.39 | 83.43 | 71.94 | 63.40 | 49.35 | 70.78 | |||||||||||||
1946 | 48.03 | 56.00 | 63.42 | 76.60 | 76.65 | 91.53 | 89.55 | 85.19 | 81.57 | 69.45 | 52.57 | 59.41 | n | 71.87 | a | |||||||||||
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 91.54 | r | 85.67 | a | 82.93 | 74.45 | 54.23 | 50.37 | a | 69.53 | g | |||
1948 | 48.74 | 51.41 | 51.55 | 73.59 | a | 77.39 | 85.60 | 90.03 | 89.77 | 86.34 | a | 73.00 | m | 57.27 | 54.16 | 69.62 | a | |||||||||
1949 | 39.17 | a | 49.71 | 61.65 | 66.60 | 79.42 | 83.48 | a | 87.06 | 87.03 | 80.40 | 69.94 | 68.13 | 53.20 | a | 68.82 | ||||||||||
1950 | 54.97 | a | 58.96 | 64.42 | 70.43 | 77.87 | 87.43 | 86.29 | 87.00 | 78.30 | 80.77 | 63.97 | a | 61.77 | 72.68 | |||||||||||
1951 | 51.52 | 56.54 | 58.32 | 66.07 | 77.45 | 86.07 | 95.29 | 89.13 | 85.73 | 71.94 | 60.10 | 51.71 | 70.82 | |||||||||||||
1952 | 56.03 | b | 54.38 | 57.77 | 68.67 | 79.26 | 90.13 | 90.45 | 89.90 | 82.47 | 75.65 | 51.37 | 47.71 | 70.32 | ||||||||||||
1953 | 56.87 | ----- | z | 63.81 | 63.93 | 74.81 | 93.33 | 90.94 | 87.03 | 85.47 | 72.29 | 60.90 | 46.71 | 72.37 | a | |||||||||||
1954 | 51.43 | a | 63.29 | ----- | z | 73.30 | 77.77 | ----- | z | 91.13 | 86.10 | 78.47 | 68.71 | 62.55 | a | 55.55 | k | 72.53 | c | |||||||
1955 | 48.61 | 50.39 | 61.00 | a | 67.53 | 76.55 | 85.40 | 85.97 | 82.81 | 80.43 | 71.42 | ----- | z | 54.42 | 69.50 | a | ||||||||||
1956 | 54.55 | 50.55 | 59.90 | 67.13 | 83.81 | 90.83 | 90.06 | 89.81 | 87.00 | 72.03 | a | 55.77 | 56.42 | 71.49 | ||||||||||||
1957 | 51.71 | 65.32 | 58.71 | 63.07 | 72.39 | 90.80 | 94.84 | 87.23 | 82.17 | 65.10 | 50.63 | 56.20 | a | 69.85 | ||||||||||||
1958 | 48.10 | 59.14 | 51.40 | a | 64.63 | 80.42 | 92.48 | a | 91.03 | 85.97 | 76.33 | 63.45 | 64.38 | a | 55.52 | 69.40 | ||||||||||
1959 | 44.60 | p | 57.20 | c | ----- | z | 67.90 | 77.93 | a | 89.63 | 91.42 | 89.58 | 82.60 | e | 66.29 | 54.68 | b | 49.16 | 72.64 | b | ||||||
1960 | 42.74 | 41.88 | c | 57.43 | a | 73.97 | 80.06 | 88.24 | e | 86.19 | 89.97 | 82.80 | 69.93 | b | 58.40 | 41.43 | j | 70.15 | a | |||||||
1961 | 45.75 | k | 52.46 | 57.84 | 67.80 | 84.42 | 91.03 | 92.61 | 92.58 | 81.41 | h | ----- | z | ----- | z | ----- | z | 76.96 | e | |||||||
1962 | ----- | z | ----- | z | ----- | z | 72.77 | 80.58 | 86.97 | 87.23 | 90.87 | 83.50 | 71.57 | a | 63.10 | 56.10 | 76.96 | c | ||||||||
1963 | ----- | z | ----- | z | 61.65 | 69.43 | ----- | z | 99.10 | 98.84 | 86.81 | 87.67 | 78.42 | 68.00 | r | ----- | z | 83.13 | e | |||||||
1964 | 48.06 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 91.65 | e | 83.40 | 79.90 | b | 63.07 | a | 49.10 | 69.20 | f | |||
1965 | 54.58 | 53.57 | 55.35 | 72.10 | 77.13 | 84.73 | 91.90 | 87.94 | 79.03 | a | ----- | z | 66.70 | 53.16 | 70.56 | a | ||||||||||
1966 | 47.45 | 49.93 | 65.45 | 71.75 | b | 82.55 | 85.20 | 93.71 | 85.00 | 84.37 | 72.74 | 65.93 | a | 52.77 | 71.40 | |||||||||||
1967 | 54.61 | 58.07 | 69.48 | 73.07 | 79.58 | 85.40 | 89.23 | 84.16 | 78.93 | 76.58 | 63.07 | 43.87 | 71.34 | |||||||||||||
1968 | 50.87 | 56.28 | 58.29 | 65.52 | a | 77.23 | 90.03 | 86.58 | 84.68 | 81.53 | 75.48 | 57.20 | 51.39 | 69.59 | ||||||||||||
1969 | 56.97 | 53.61 | 53.26 | 71.30 | 79.81 | 85.10 | 92.94 | 90.29 | 81.43 | 67.52 | 58.47 | 55.03 | 70.48 | |||||||||||||
1970 | 49.94 | 57.79 | 57.00 | 67.33 | 82.23 | 86.23 | 91.74 | 91.00 | 81.77 | 65.97 | 60.70 | 55.94 | 70.64 | |||||||||||||
1971 | 52.03 | 54.43 | 64.37 | a | 70.13 | 79.10 | 90.97 | 88.77 | 84.03 | 79.43 | 69.52 | 60.00 | 46.83 | a | 69.97 | |||||||||||
1972 | 54.03 | 59.55 | 70.23 | 74.00 | a | 78.13 | 88.20 | 87.55 | 85.03 | 79.57 | 68.90 | a | 50.17 | 51.06 | 70.53 | |||||||||||
1973 | 46.83 | a | 50.11 | a | 56.39 | 61.43 | 76.06 | 86.67 | 87.90 | 90.42 | 83.47 | 75.81 | 64.53 | 52.77 | 69.37 | |||||||||||
1974 | 49.52 | 55.46 | 68.13 | 71.69 | a | 85.19 | 90.13 | 89.23 | 86.06 | 76.00 | 69.29 | 59.00 | 47.61 | 70.61 | ||||||||||||
1975 | 48.26 | 51.32 | 58.71 | 67.63 | 78.40 | a | 86.47 | 87.48 | 89.55 | 77.43 | 75.13 | 62.23 | 55.10 | 69.81 | ||||||||||||
1976 | 52.80 | a | 62.21 | 61.55 | 69.83 | a | 76.39 | 88.47 | 86.87 | 87.39 | 80.27 | 67.57 | a | 58.27 | 52.77 | 70.36 | ||||||||||
1977 | 46.29 | 56.64 | 58.17 | a | 68.83 | 78.94 | 91.53 | 91.97 | a | 89.26 | 84.33 | 74.97 | 64.00 | b | 56.61 | 71.80 | ||||||||||
1978 | 49.13 | a | 50.46 | 64.23 | 74.10 | 76.84 | 88.03 | 93.39 | 88.26 | 73.50 | 72.84 | 55.20 | 47.40 | a | 69.45 | |||||||||||
1979 | 42.16 | 53.21 | 60.19 | 69.13 | 75.71 | 85.10 | 92.87 | 87.94 | 86.30 | 80.33 | a | 55.17 | 55.68 | 70.32 | ||||||||||||
1980 | 52.35 | 56.59 | 60.00 | 68.90 | 76.03 | 95.63 | 97.87 | 90.45 | 83.13 | 71.26 | 58.24 | a | 60.55 | 72.58 | ||||||||||||
1981 | 55.06 | 61.00 | 61.55 | 78.78 | c | 77.81 | 93.03 | 93.58 | 87.77 | 82.67 | 69.71 | 66.03 | 57.06 | 73.67 | ||||||||||||
1982 | 51.93 | a | 51.04 | 61.42 | 70.28 | a | 78.81 | 88.17 | 93.48 | 90.10 | 81.00 | 70.47 | a | 57.67 | 45.97 | a | 70.03 | |||||||||
1983 | 51.26 | 53.77 | b | 58.32 | 65.40 | 75.39 | 86.48 | a | 93.23 | 92.19 | 88.53 | 72.71 | 58.93 | a | 47.97 | a | 70.35 | |||||||||
1984 | 48.77 | a | 58.28 | 60.35 | 67.93 | 84.58 | 86.87 | 91.06 | 86.19 | 80.90 | 64.58 | 57.47 | 49.61 | 69.72 | ||||||||||||
1985 | 45.23 | a | 52.11 | a | 62.06 | 72.73 | 78.03 | a | 88.23 | 91.29 | 91.06 | 80.27 | 72.27 | a | 60.63 | 55.52 | 70.79 | |||||||||
1986 | 61.26 | 56.54 | 67.65 | 72.47 | 77.84 | 86.17 | 91.29 | 90.94 | 81.30 | 68.13 | 56.03 | 50.00 | 71.63 | |||||||||||||
1987 | 47.94 | 53.36 | 59.03 | 70.97 | 75.45 | 85.57 | 91.87 | 85.71 | 80.93 | 75.55 | 59.03 | 49.74 | 69.60 | |||||||||||||
1988 | 45.29 | 60.10 | 62.77 | 70.30 | 77.68 | 86.17 | 88.71 | 86.61 | 79.63 | 76.68 | 62.17 | 52.47 | a | 70.71 | ||||||||||||
1989 | 53.16 | 53.07 | 70.45 | 76.93 | 83.70 | a | 86.73 | 90.61 | 87.50 | a | 78.13 | 73.32 | 63.80 | 52.52 | 72.49 | |||||||||||
1990 | 51.77 | 54.32 | 62.16 | 69.33 | 77.16 | 96.23 | 86.42 | 85.45 | 81.07 | 74.90 | 63.87 | 49.60 | a | 71.02 | ||||||||||||
1991 | 48.94 | 60.50 | 61.55 | 71.97 | 81.55 | 88.13 | 85.40 | a | 85.73 | a | 79.27 | 75.19 | 56.70 | 48.94 | 70.32 | |||||||||||
1992 | 49.77 | 56.76 | 64.84 | 75.33 | 75.90 | 86.77 | 90.42 | 89.58 | 87.38 | a | 76.13 | 55.03 | 49.58 | 71.46 | ||||||||||||
1993 | 51.65 | 53.22 | a | 64.50 | a | 72.86 | a | 78.90 | 87.90 | 92.19 | 86.52 | 84.67 | 73.38 | b | 58.43 | 55.33 | a | 71.63 | ||||||||
1994 | 55.65 | 56.44 | a | 63.33 | a | 70.23 | 77.47 | a | 92.57 | 92.10 | a | 91.00 | a | 83.50 | 72.03 | a | 60.24 | a | 55.77 | 72.53 | ||||||
1995 | 50.97 | b | 62.86 | 62.70 | a | 69.04 | c | 76.53 | a | 84.90 | 90.35 | 91.06 | 82.04 | c | 76.80 | a | 67.36 | b | 55.37 | a | 72.50 | |||||
1996 | 55.55 | b | 60.82 | a | 64.25 | c | 73.96 | b | 86.19 | 88.45 | a | 89.35 | 86.65 | 80.03 | 71.68 | c | 62.24 | a | 57.13 | a | 73.03 | |||||
1997 | 47.34 | b | 50.15 | a | 69.76 | b | 64.71 | b | 77.57 | a | 84.80 | 89.90 | 90.03 | a | 83.73 | 73.10 | 59.79 | a | 47.87 | 69.90 | ||||||
1998 | 56.03 | 54.50 | 61.03 | a | 68.17 | 82.32 | 90.11 | b | 90.10 | a | 87.97 | 86.77 | 70.97 | b | 65.72 | a | 54.00 | b | 72.31 | |||||||
1999 | 56.77 | 64.79 | 64.45 | 68.79 | a | 76.81 | 86.03 | 88.35 | 86.97 | 81.67 | 75.87 | 70.40 | 53.16 | 72.84 | ||||||||||||
2000 | 59.07 | a | 64.46 | a | 66.48 | 75.73 | 86.71 | 86.83 | 91.55 | 91.65 | 89.30 | 69.32 | 53.21 | b | 51.06 | 73.78 | ||||||||||
2001 | 46.47 | a | 57.54 | 63.03 | 76.36 | b | 81.55 | b | 90.70 | 94.68 | 89.10 | 87.76 | a | 78.70 | a | 62.47 | 54.20 | a | 73.55 | |||||||
2002 | 55.67 | a | 57.44 | a | 64.87 | a | 78.03 | 83.19 | 95.20 | 90.97 | 91.33 | a | 82.27 | 69.77 | 60.53 | 52.57 | a | 73.49 | ||||||||
2003 | 63.06 | 56.00 | 65.07 | b | 74.90 | 81.80 | a | 87.27 | 95.35 | 90.97 | 85.10 | 79.35 | 62.52 | a | 57.60 | a | 74.92 | |||||||||
2004 | 56.29 | 52.41 | 69.55 | 68.66 | a | 84.03 | 88.60 | 89.94 | 85.23 | 83.55 | a | 70.63 | a | 57.33 | 56.52 | 71.89 | ||||||||||
2005 | 58.81 | 55.50 | 60.13 | 73.07 | 79.74 | 89.93 | 93.84 | 87.55 | 85.59 | a | 73.52 | 66.40 | 56.48 | 73.38 | ||||||||||||
2006 | 59.77 | 62.54 | 65.45 | 78.40 | 85.43 | a | 92.80 | 92.10 | 86.27 | a | 77.43 | 72.10 | 66.41 | a | 52.23 | 74.24 | ||||||||||
2007 | 44.55 | b | 57.50 | 68.52 | 70.17 | 77.20 | a | 87.57 | 89.61 | 93.00 | 85.07 | 78.57 | a | 68.00 | a | 51.45 | 72.60 | |||||||||
2008 | 50.57 | a | 58.89 | a | 65.58 | 73.63 | 80.26 | 92.07 | 87.63 | a | 88.39 | 82.97 | 75.53 | a | 67.48 | a | 55.20 | a | 73.18 | |||||||
2009 | 60.33 | a | 63.07 | 69.68 | 74.00 | a | 83.71 | 88.37 | 91.23 | 90.23 | 83.86 | a | 70.84 | 66.80 | 47.10 | a | 74.10 | |||||||||
2010 | 54.94 | 51.73 | b | 62.97 | a | 74.52 | a | 82.67 | a | 91.43 | 89.45 | 91.31 | b | 88.47 | 76.68 | 62.73 | 58.23 | 73.76 | ||||||||
2011 | 54.87 | 54.00 | a | 72.14 | b | 77.10 | a | 80.42 | 94.45 | a | 97.35 | 94.61 | 82.40 | 73.67 | a | 64.17 | a | 47.77 | a | 74.41 | ||||||
2012 | 58.94 | 56.04 | a | 71.35 | 76.79 | b | 80.81 | 92.57 | 92.45 | 92.26 | 84.63 | 76.90 | ----- | z | 54.10 | 76.08 | a | |||||||||
2013 | 53.55 | 56.75 | ----- | z | 74.50 | 80.81 | 93.23 | 89.19 | 91.74 | 81.83 | 71.26 | 61.20 | 51.58 | 73.24 | a | |||||||||||
2014 | 57.87 | 62.41 | a | 68.10 | 73.70 | 80.97 | 90.33 | 88.87 | 87.10 | 81.30 | 78.00 | 62.17 | 56.52 | 73.94 | ||||||||||||
2015 | 53.65 | 60.29 | 68.19 | 73.93 | 75.45 | 89.00 | 91.48 | 93.23 | 91.30 | 73.61 | 62.93 | 55.26 | 74.03 | |||||||||||||
2016 | 54.90 | 63.69 | 69.50 | a | 73.00 | 77.84 | 94.48 | g | 97.77 | 86.39 | 84.33 | 82.52 | 66.47 | 56.03 | 73.86 | a | ||||||||||
2017 | 52.87 | 63.68 | 74.39 | 71.83 | 77.84 | 90.50 | 92.17 | a | 86.16 | 84.57 | 75.52 | 70.63 | 59.10 | 74.94 | ||||||||||||
2018 | 59.52 | 61.32 | 69.65 | 76.27 | 87.10 | 96.27 | 95.13 | 90.77 | 85.73 | ----- | z | ----- | z | 52.94 | 77.47 | b | ||||||||||
2019 | 53.94 | 57.50 | 62.33 | a | 71.88 | e | 77.23 | 87.45 | a | 93.57 | a | 93.64 | c | 90.23 | 73.27 | e | 63.00 | a | 56.12 | g | 74.91 | a | ||||
2020 | 56.60 | f | 57.21 | 66.29 | 74.57 | b | 84.63 | a | 92.19 | c | 93.93 | a | 97.03 | 84.93 | a | 78.58 | 67.48 | e | 54.67 | p | 79.68 | b | ||||
2021 | 52.17 | s | 56.79 | n | 69.74 | 74.12 | d | 82.87 | 90.97 | 90.20 | f | ----- | z | 88.17 | r | 76.26 | h | 75.46 | q | 64.40 | p | 79.42 | h | |||
2022 | ----- | z | ----- | z | ----- | z | 78.33 | c | 86.17 | g | 92.12 | f | 93.54 | g | 89.26 | h | 90.35 | m | ----- | z | ----- | z | ----- | z | 78.33 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 52.15 | 56.45 | 63.13 | 71.24 | 79.55 | 89.12 | 91.01 | 88.71 | 82.76 | 73.00 | 61.01 | 52.69 | 71.67 | |||||||||||||
S.D. | 4.82 | 4.54 | 4.90 | 3.97 | 3.20 | 3.27 | 2.94 | 2.76 | 3.38 | 4.02 | 4.74 | 3.87 | 1.66 | |||||||||||||
SKEW | -0.15 | -0.19 | -0.06 | -0.19 | 0.49 | 0.71 | 0.39 | 0.31 | 0.05 | -0.01 | -0.22 | -0.15 | 0.28 | |||||||||||||
MAX | 63.06 | 65.32 | 74.39 | 78.78 | 87.10 | 99.10 | 98.84 | 97.03 | 91.30 | 82.52 | 70.63 | 61.77 | 74.94 | |||||||||||||
MIN | 39.17 | 41.88 | 51.40 | 61.43 | 72.39 | 83.48 | 85.40 | 82.81 | 73.50 | 63.45 | 50.17 | 43.87 | 68.82 | |||||||||||||
YRS | 70 | 71 | 72 | 77 | 75 | 74 | 75 | 77 | 76 | 73 | 72 | 70 | 57 |