YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.11 | c | ----- | z | 52.50 | 49.10 | b | 59.24 | i | |
1939 | 40.97 | a | 36.54 | 53.94 | 67.67 | 76.13 | 90.17 | 88.27 | a | 86.12 | f | 80.36 | b | 70.97 | b | 61.81 | c | 56.27 | a | 65.73 | a | |||||
1940 | 49.07 | a | 47.75 | e | 60.52 | f | 66.13 | 78.07 | b | 85.25 | f | 89.04 | c | 83.32 | c | 76.66 | a | 73.92 | g | 50.83 | 44.39 | 65.03 | c | |||
1941 | 41.71 | 45.37 | a | 49.18 | c | 54.15 | d | 70.61 | 75.96 | c | 83.35 | 81.52 | 74.20 | 61.10 | a | 54.45 | a | 42.81 | 61.20 | |||||||
1942 | 43.17 | b | 40.04 | a | 46.52 | b | 61.17 | 71.23 | a | 82.14 | a | 87.71 | 83.17 | b | 75.93 | b | 63.41 | d | 56.21 | a | ----- | z | 64.61 | a | ||
1943 | ----- | z | 48.38 | b | 52.00 | a | 68.03 | 72.29 | 87.21 | a | 87.14 | b | 83.87 | 76.47 | 64.45 | 54.10 | a | 41.13 | 66.82 | a | ||||||
1944 | 40.03 | 43.96 | a | 48.48 | 56.13 | 69.65 | 80.10 | 84.35 | 83.77 | 75.47 | 65.06 | 49.17 | 43.32 | 61.63 | ||||||||||||
1945 | 41.48 | 45.46 | 49.26 | 58.20 | 72.74 | 80.23 | 87.06 | 85.39 | 78.70 | 66.13 | 54.17 | 38.29 | 63.09 | |||||||||||||
1946 | 38.90 | 45.57 | 52.53 | a | 66.73 | 70.13 | 89.43 | 87.39 | 79.61 | 76.23 | 60.81 | 48.40 | 48.47 | a | 63.68 | |||||||||||
1947 | 37.06 | 46.29 | 49.90 | 59.11 | c | 70.71 | 77.78 | c | 86.50 | m | 78.19 | 76.93 | 65.58 | 43.53 | 37.71 | 58.44 | a | |||||||||
1948 | 40.57 | a | 40.76 | 43.29 | 62.77 | 70.32 | i | 80.34 | a | 85.61 | 82.53 | a | 77.57 | 63.13 | 46.85 | c | 41.81 | 60.48 | a | |||||||
1949 | 32.74 | 38.78 | a | 49.97 | 60.63 | 68.10 | 78.15 | d | 81.45 | 81.81 | 76.33 | 61.03 | 59.41 | a | 41.94 | 60.86 | ||||||||||
1950 | 42.19 | 46.14 | 51.61 | 62.62 | d | 71.13 | 83.58 | d | 82.74 | 89.28 | b | 72.10 | 73.13 | 58.11 | b | 57.34 | b | 65.83 | ||||||||
1951 | 46.65 | 45.32 | 52.71 | 59.55 | a | 72.48 | 81.97 | 89.61 | 82.52 | 79.82 | b | 65.30 | a | 50.83 | 40.14 | b | 63.91 | |||||||||
1952 | 43.10 | a | 43.72 | d | 44.64 | i | 64.00 | f | 74.94 | 87.13 | 91.29 | 89.74 | 83.27 | 75.61 | 49.10 | 42.32 | 68.02 | b | ||||||||
1953 | 47.23 | 45.11 | 56.58 | 63.60 | 68.45 | 89.50 | 90.42 | 84.58 | 84.87 | 72.23 | 56.57 | 40.52 | 66.64 | |||||||||||||
1954 | 46.32 | 56.54 | 51.61 | 72.70 | 75.26 | 85.77 | 89.84 | 85.81 | 81.37 | 72.55 | 60.70 | 47.30 | a | 68.81 | ||||||||||||
1955 | 39.71 | 40.82 | 54.65 | 61.83 | 71.00 | 83.90 | 87.19 | 82.10 | 84.47 | 73.90 | 57.03 | 47.45 | 65.34 | |||||||||||||
1956 | 48.29 | 41.93 | 56.94 | 63.63 | 81.16 | 91.53 | 88.39 | 86.29 | 87.57 | 73.74 | 53.70 | 49.32 | 68.54 | |||||||||||||
1957 | 42.19 | 52.25 | 52.45 | 60.10 | 66.03 | 84.17 | 87.33 | d | 78.42 | 78.38 | i | 55.70 | h | 44.31 | a | 43.86 | b | 61.11 | b | |||||||
1958 | 40.81 | 46.14 | 41.19 | 57.63 | 74.45 | 84.77 | 85.52 | 83.96 | h | 73.47 | 64.87 | 54.27 | 53.03 | a | 61.47 | a | ||||||||||
1959 | 42.23 | 43.11 | 54.19 | 60.37 | 71.42 | 83.73 | 86.94 | 82.74 | 79.07 | 66.39 | 54.77 | 48.00 | 64.41 | |||||||||||||
1960 | 37.19 | 36.45 | 52.35 | 64.70 | 68.71 | 82.80 | 86.00 | 85.68 | 81.23 | 65.35 | 56.53 | 41.87 | 63.24 | |||||||||||||
1961 | 43.77 | 43.96 | 49.74 | 61.40 | 72.06 | 84.33 | 85.16 | 81.16 | 71.43 | 65.80 | a | 46.33 | 39.29 | 62.04 | ||||||||||||
1962 | 37.94 | 47.36 | 44.84 | 66.20 | 68.39 | 80.47 | 83.84 | 84.23 | 74.77 | 65.94 | 56.00 | 45.23 | 62.93 | |||||||||||||
1963 | 34.06 | 45.29 | 49.90 | 62.97 | 75.35 | 80.77 | 87.06 | 81.16 | 78.10 | 70.94 | 53.43 | 45.23 | r | 65.37 | a | |||||||||||
1964 | 41.50 | m | 37.93 | 44.58 | ----- | z | 71.35 | 79.67 | 86.13 | 82.68 | 74.80 | 70.45 | 50.37 | 40.45 | 63.84 | b | ||||||||||
1965 | 40.61 | 41.93 | 46.13 | 59.10 | 67.32 | 75.93 | 83.87 | 81.52 | 71.57 | 69.58 | 55.97 | 44.45 | 61.50 | |||||||||||||
1966 | 37.16 | 36.82 | 53.61 | 61.60 | 75.68 | 79.83 | 87.78 | d | 86.00 | m | 76.40 | 67.74 | 58.20 | 42.48 | 61.57 | a | ||||||||||
1967 | 41.13 | 47.25 | 59.77 | 63.23 | 69.19 | 77.57 | 85.23 | 80.65 | 74.80 | 69.10 | 58.07 | a | 33.87 | a | 63.32 | |||||||||||
1968 | 37.90 | 46.59 | 49.68 | 57.43 | 68.84 | 82.27 | 83.74 | ----- | z | 76.87 | 68.16 | 45.80 | 38.68 | 59.63 | a | |||||||||||
1969 | 45.55 | 42.14 | 44.00 | 63.97 | 72.03 | 78.43 | 84.58 | 84.52 | 76.57 | 61.45 | 49.97 | 45.48 | 62.39 | |||||||||||||
1970 | 39.50 | a | 49.93 | a | 47.23 | a | 57.20 | 71.81 | 77.43 | 84.03 | 83.87 | 74.23 | 59.10 | 54.27 | 44.97 | 61.96 | ||||||||||
1971 | 41.42 | 43.43 | 52.58 | 59.77 | 68.10 | 82.00 | 85.23 | 79.81 | 74.10 | 63.03 | 50.80 | 38.29 | 61.55 | |||||||||||||
1972 | 44.68 | 50.38 | 60.97 | 64.97 | 72.32 | 80.10 | 85.97 | 82.16 | 73.37 | 63.84 | 41.03 | 38.90 | 63.22 | |||||||||||||
1973 | 37.32 | i | 39.88 | l | 44.43 | h | 53.55 | j | 66.29 | 78.47 | 83.90 | ----- | z | 75.17 | 69.23 | 57.00 | e | 43.48 | 67.65 | e | ||||||
1974 | 37.24 | b | 41.86 | 58.52 | 60.27 | 75.13 | 85.40 | 83.65 | 80.71 | 74.80 | 63.55 | 51.03 | 37.32 | 62.46 | ||||||||||||
1975 | 37.03 | a | 39.52 | a | 47.23 | 54.47 | 66.61 | 78.67 | 82.06 | 80.97 | a | 73.00 | 68.26 | 54.81 | d | 51.58 | l | 62.06 | a | |||||||
1976 | 45.94 | n | 51.17 | k | 53.70 | h | 62.17 | 70.19 | 80.87 | 83.68 | 80.77 | 72.53 | 62.06 | 52.79 | a | 43.19 | e | 67.58 | c | |||||||
1977 | 36.71 | c | 44.25 | 46.81 | 60.70 | 68.55 | 81.30 | 85.90 | ----- | z | 77.87 | 68.32 | 57.28 | a | 53.46 | g | 62.77 | b | ||||||||
1978 | 42.19 | d | 45.27 | b | 52.82 | c | 62.80 | 67.03 | 81.57 | 85.81 | 81.84 | 75.77 | 67.61 | 51.33 | 37.00 | c | 62.59 | |||||||||
1979 | 32.87 | 41.86 | 48.42 | 59.34 | a | 64.87 | a | 78.14 | a | 86.32 | 81.71 | 78.57 | 72.07 | a | 46.25 | f | 50.90 | j | 64.42 | b | ||||||
1980 | ----- | z | ----- | z | 44.45 | k | 50.75 | f | 67.58 | e | 83.55 | a | 90.75 | c | 87.32 | 79.20 | 66.76 | b | 57.14 | h | 52.73 | e | 75.41 | e | ||
1981 | 51.71 | j | 53.95 | i | 55.32 | i | 67.14 | i | 69.10 | 84.73 | 85.55 | 84.48 | 76.03 | 63.89 | c | 61.44 | e | 52.65 | h | 75.03 | e | |||||
1982 | 43.95 | k | 42.57 | g | 50.57 | h | 63.76 | i | 67.59 | i | 80.97 | 84.20 | a | 81.03 | 74.60 | 64.34 | b | 50.96 | d | 41.29 | j | 72.68 | f | |||
1983 | 39.62 | j | 39.18 | k | 47.00 | i | 54.67 | i | 67.77 | 78.43 | 86.39 | 84.42 | 79.63 | 65.66 | b | 52.75 | b | 41.14 | i | 73.58 | e | |||||
1984 | 39.62 | j | 46.85 | i | 52.41 | i | 60.40 | j | 75.60 | f | 79.38 | a | 87.00 | 82.84 | 78.00 | 52.69 | b | 51.24 | e | 42.53 | l | 71.86 | f | |||
1985 | 36.95 | j | 41.05 | i | 50.81 | j | 62.41 | h | 69.54 | g | 80.73 | 84.06 | 82.33 | a | 75.54 | f | 65.79 | c | 50.70 | c | 44.64 | i | 72.72 | g | ||
1986 | 52.24 | j | 49.74 | i | 56.50 | k | 63.57 | i | 72.90 | j | 77.74 | c | 81.89 | d | 88.24 | f | 70.89 | c | 61.89 | c | 51.96 | c | 47.27 | t | 68.87 | g |
1987 | 42.42 | l | 44.71 | k | 50.53 | l | 65.09 | h | 69.20 | k | 82.75 | b | 86.00 | 78.52 | 75.93 | 69.55 | 53.03 | 43.45 | k | 74.30 | f | |||||
1988 | 40.14 | q | 55.12 | m | 54.27 | i | 59.11 | b | 55.94 | n | 84.45 | j | 84.12 | g | 80.39 | 74.19 | c | 69.96 | c | 51.14 | a | 43.50 | a | 63.05 | f | |
1989 | 42.45 | b | 44.87 | e | 60.68 | 70.60 | 74.97 | 81.60 | 85.77 | 82.41 | b | 77.90 | 65.52 | 56.97 | a | 44.93 | a | 65.72 | ||||||||
1990 | 43.62 | g | 43.25 | 54.71 | 62.17 | a | 70.16 | 85.63 | 82.03 | 79.35 | 76.84 | e | 64.88 | e | 52.03 | 44.20 | p | 67.11 | b | |||||||
1991 | 39.12 | n | 50.79 | n | 51.67 | p | 64.48 | i | 72.42 | g | 78.48 | i | 83.29 | 82.35 | 74.37 | 68.16 | 46.14 | b | 40.42 | 65.79 | f | |||||
1992 | 40.20 | a | 44.52 | 53.61 | 66.47 | 69.16 | 79.23 | 82.68 | 82.29 | 77.90 | 68.68 | 45.30 | 41.20 | k | 64.55 | a | ||||||||||
1993 | 46.30 | u | 44.44 | j | 57.19 | j | 62.38 | n | 73.21 | b | 82.65 | g | 87.77 | 80.52 | b | 76.50 | b | 65.10 | 49.10 | a | 44.67 | a | 68.12 | e | ||
1994 | 47.23 | a | 45.84 | c | 57.17 | a | 62.42 | d | 73.34 | b | 86.87 | 88.53 | a | 86.03 | a | 77.14 | a | 63.46 | c | 48.78 | c | 47.82 | c | 65.39 | ||
1995 | 42.45 | b | 53.85 | b | 55.00 | c | 59.36 | e | 68.04 | f | 79.37 | 85.52 | 86.76 | b | 76.89 | b | 70.41 | d | 59.36 | b | 46.39 | 65.03 | a | |||
1996 | 46.56 | d | 52.67 | b | 57.23 | a | 67.21 | k | 80.36 | c | 85.12 | f | 86.33 | g | 83.34 | b | 73.10 | a | 64.03 | b | 53.86 | a | 44.97 | a | 61.79 | c |
1997 | 40.33 | a | 45.77 | b | 61.96 | d | 57.38 | d | 73.96 | e | 82.04 | c | 85.76 | b | 83.05 | k | 78.23 | 65.38 | b | 51.62 | d | 40.37 | a | 62.07 | a | |
1998 | 44.03 | a | 40.50 | b | 53.38 | b | 58.85 | d | 73.17 | a | 82.68 | h | 83.75 | c | 83.66 | b | 81.62 | d | 63.96 | h | 53.77 | 47.21 | b | 61.99 | b | |
1999 | 49.39 | c | 52.15 | a | 58.39 | 61.77 | d | 69.07 | d | 80.41 | c | 81.38 | b | 79.55 | b | 75.93 | c | 72.00 | a | 60.66 | a | 43.61 | c | 65.36 | ||
2000 | 46.39 | 53.83 | e | 53.87 | 68.23 | 78.48 | d | 83.63 | 87.90 | a | 86.83 | a | 82.46 | d | 60.96 | f | 44.50 | 46.00 | d | 66.56 | a | |||||
2001 | 39.60 | a | 46.48 | c | 54.38 | e | 64.18 | b | 76.90 | a | 85.62 | a | 88.62 | e | 83.03 | a | 81.53 | 70.03 | 54.27 | 41.67 | a | 65.53 | ||||
2002 | 41.50 | a | 46.71 | 54.47 | a | 71.14 | a | 76.79 | b | 89.07 | a | 87.90 | a | 86.56 | d | 77.48 | a | 62.32 | 53.13 | 40.65 | 65.64 | |||||
2003 | 50.20 | a | 46.00 | a | 54.79 | b | 65.00 | b | 80.46 | r | 82.96 | f | 92.47 | a | 85.10 | a | 77.48 | a | 69.36 | f | 52.76 | a | 46.65 | 63.38 | c | |
2004 | 43.55 | 41.72 | d | 60.73 | a | 59.69 | a | 73.42 | 82.36 | b | 85.19 | 81.04 | d | 75.83 | 63.19 | d | 51.53 | 45.62 | b | 63.66 | ||||||
2005 | 48.03 | a | 45.43 | ----- | z | ----- | z | ----- | z | ----- | z | 90.90 | b | 82.57 | a | 78.60 | 65.79 | b | 56.23 | 45.52 | h | 66.79 | e | |||
2006 | 47.86 | c | 49.43 | 50.78 | d | 68.15 | d | 79.34 | b | 88.13 | 87.16 | 80.13 | 71.80 | 64.55 | 54.30 | 42.17 | b | 65.32 | ||||||||
2007 | 40.10 | 46.12 | d | 59.33 | a | 62.37 | 70.68 | c | 84.17 | a | 86.03 | 86.07 | a | 78.73 | 69.97 | a | 58.43 | 38.39 | 65.03 | |||||||
2008 | 36.13 | 43.34 | 56.10 | a | 63.76 | a | 71.03 | b | 84.87 | 84.61 | 84.83 | a | 78.54 | b | 67.71 | 57.42 | k | ----- | z | 67.09 | b | |||||
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | 50.43 | x | 52.48 | a | 57.76 | b | 64.30 | 74.52 | 86.97 | 87.00 | 82.32 | 81.30 | 69.44 | o | ----- | z | ----- | z | 73.33 | d | ||||||
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.63 | a | 51.34 | a | 42.16 | 52.38 | i | |
2019 | 40.81 | 43.00 | j | 53.84 | 64.73 | 66.81 | 82.70 | 89.48 | 89.61 | c | 80.80 | 63.77 | 54.10 | 42.74 | 66.31 | a | ||||||||||
2020 | 41.13 | 45.90 | 55.97 | 66.73 | ----- | z | ----- | z | ----- | z | 89.55 | ----- | z | 70.06 | 58.68 | h | ----- | z | 61.56 | f | ||||||
2021 | ----- | z | 44.68 | ----- | z | 65.67 | ----- | z | 86.07 | 85.32 | 84.77 | 80.00 | 63.58 | 59.30 | 45.35 | 68.30 | c | |||||||||
2022 | ----- | z | ----- | z | 53.84 | ----- | z | 76.45 | 86.44 | u | 87.64 | f | 82.90 | 80.93 | 62.68 | 49.83 | 44.81 | 64.49 | e | |||||||
2023 | 38.61 | 43.57 | 48.16 | ----- | z | ----- | z | 81.70 | 94.39 | 87.52 | 80.43 | 69.97 | 61.42 | k | 43.50 | g | 68.04 | d | ||||||||
2024 | 40.23 | 48.45 | 54.45 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.71 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.69 | 45.16 | 52.61 | 62.49 | 71.81 | 82.46 | 86.20 | 83.21 | 77.21 | 66.43 | 52.95 | 43.77 | 63.96 | |||||||||||||
S.D. | 4.09 | 4.29 | 4.75 | 3.95 | 3.76 | 3.62 | 2.64 | 2.74 | 3.32 | 4.00 | 4.48 | 4.51 | 2.04 | |||||||||||||
SKEW | 0.08 | 0.29 | -0.19 | 0.29 | 0.46 | 0.44 | 0.55 | 0.52 | 0.53 | -0.20 | -0.28 | 0.73 | 0.57 | |||||||||||||
MAX | 50.20 | 56.54 | 61.96 | 72.70 | 81.16 | 91.53 | 94.39 | 89.74 | 87.57 | 75.61 | 61.81 | 57.34 | 68.81 | |||||||||||||
MIN | 32.74 | 36.45 | 41.19 | 54.15 | 64.87 | 75.93 | 81.38 | 78.19 | 70.89 | 52.69 | 41.03 | 33.87 | 60.86 | |||||||||||||
YRS | 58 | 62 | 60 | 59 | 62 | 66 | 71 | 68 | 74 | 71 | 72 | 59 | 31 |