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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 11.29 | x | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.06 | 45.00 | 44.16 | 48.41 | i | |||
1947 | 40.35 | 51.11 | 55.84 | 62.77 | 75.39 | 69.33 | 82.71 | 81.06 | 77.47 | 62.06 | 45.33 | 43.10 | 62.21 | |||||||||||||
1948 | 45.45 | 42.34 | 43.94 | 51.13 | 62.32 | 74.20 | 80.68 | 79.50 | a | 71.43 | 64.16 | 46.80 | 34.29 | 58.02 | ||||||||||||
1949 | 28.90 | a | 38.93 | 47.03 | 66.61 | b | 68.81 | 76.80 | 84.19 | 82.35 | 77.77 | 61.19 | 59.33 | 39.65 | 60.96 | |||||||||||
1950 | 30.48 | 44.96 | a | 47.00 | 57.17 | 67.68 | 71.30 | 85.29 | 85.35 | 75.43 | 60.35 | 51.30 | 46.74 | 60.26 | ||||||||||||
1951 | 35.68 | 42.54 | 46.32 | 65.50 | 66.58 | 79.20 | 85.87 | 82.90 | 79.07 | 58.94 | 47.53 | 33.16 | 60.27 | |||||||||||||
1952 | 32.94 | 42.21 | 42.61 | 62.97 | 67.03 | 69.83 | 85.13 | a | 83.29 | 80.77 | 73.90 | 48.87 | 37.23 | 60.56 | ||||||||||||
1953 | 44.35 | 46.43 | 49.74 | 55.63 | 57.87 | 66.20 | 85.77 | 78.63 | a | 80.72 | a | 63.77 | 50.67 | 43.16 | 60.25 | |||||||||||
1954 | 38.13 | 46.33 | a | 46.97 | 60.23 | 70.84 | 68.17 | 85.16 | 76.42 | 72.63 | 63.57 | a | 55.77 | 40.45 | 60.39 | |||||||||||
1955 | 37.35 | 40.54 | 47.16 | 48.53 | 63.87 | 77.24 | a | 80.10 | 87.81 | 75.73 | 65.10 | a | 44.30 | 38.07 | a | 58.82 | ||||||||||
1956 | 39.14 | c | 37.38 | 48.35 | 60.63 | 66.06 | 71.43 | 84.52 | 79.85 | d | 76.33 | 59.13 | 54.33 | c | 46.58 | 60.31 | ||||||||||
1957 | 32.35 | 43.79 | 47.60 | a | 58.24 | a | 65.90 | 76.93 | 80.90 | 79.52 | 78.40 | 55.65 | 48.14 | a | 44.73 | a | 59.35 | |||||||||
1958 | 39.20 | a | 48.36 | 45.94 | 54.97 | 73.16 | 71.03 | 84.13 | 86.81 | 73.47 | 69.52 | 51.23 | 49.35 | 62.26 | ||||||||||||
1959 | 43.74 | 44.07 | 53.26 | 63.57 | 62.29 | 76.93 | a | 89.19 | 81.55 | 68.80 | 65.13 | a | 57.33 | 42.68 | 62.38 | |||||||||||
1960 | 34.66 | b | 41.54 | a | 53.03 | 57.07 | 61.87 | 80.20 | 90.32 | 81.77 | 80.60 | 64.81 | 44.43 | 41.52 | 60.98 | |||||||||||
1961 | 46.87 | 46.33 | a | 48.39 | 59.47 | 62.97 | 81.53 | 88.52 | 87.87 | 70.15 | d | 63.06 | 47.63 | 39.97 | 61.90 | |||||||||||
1962 | 39.19 | 41.57 | 46.87 | 64.50 | 60.52 | 76.57 | 84.13 | 80.42 | 78.50 | 63.87 | a | 51.23 | 46.23 | 61.13 | ||||||||||||
1963 | 43.65 | 51.64 | 49.35 | 49.43 | 66.45 | 70.47 | 78.16 | 80.68 | 79.10 | 63.94 | 48.33 | 44.90 | 60.51 | |||||||||||||
1964 | 39.29 | 47.45 | 46.94 | 56.60 | 64.90 | 71.07 | 82.71 | 80.90 | 75.43 | 69.58 | 44.97 | 37.19 | 59.75 | |||||||||||||
1965 | 39.23 | 49.43 | 54.94 | 58.13 | 65.00 | 72.93 | 82.45 | 77.68 | 71.66 | a | 70.94 | 48.43 | 39.68 | 60.87 | ||||||||||||
1966 | 41.10 | 43.93 | 51.65 | 62.80 | 73.50 | a | 71.97 | 80.35 | 84.29 | 77.50 | b | 67.10 | a | 47.73 | 42.54 | e | 62.04 | |||||||||
1967 | 42.43 | a | ----- | z | ----- | z | 48.39 | l | 68.67 | d | 75.65 | d | 88.11 | c | 90.93 | d | 81.38 | d | 64.82 | i | 54.93 | a | ----- | z | 71.73 | e |
1968 | ----- | z | 48.73 | g | ----- | z | ----- | z | 68.76 | n | 79.68 | k | 91.10 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 42.00 | 36.58 | 39.29 | j | ||
1983 | 42.97 | 43.25 | 46.35 | 52.17 | 66.27 | a | 70.17 | 76.68 | 80.18 | c | 72.76 | a | 64.81 | 43.97 | 33.42 | 57.75 | ||||||||||
1984 | 38.68 | 45.31 | c | 52.13 | a | 52.38 | a | 64.65 | 69.90 | 86.19 | d | 83.90 | a | 71.67 | 54.06 | 41.80 | 34.16 | 57.90 | ||||||||
1985 | 32.74 | 42.31 | b | 48.00 | 62.88 | d | 65.74 | 77.10 | 88.04 | e | 79.84 | 64.93 | a | 60.30 | a | 38.87 | 36.23 | 58.08 | ||||||||
1986 | 44.90 | 46.68 | 56.55 | 59.11 | c | 66.29 | 78.50 | 77.93 | a | 87.06 | 64.70 | 65.90 | a | 50.03 | 40.83 | a | 61.54 | |||||||||
1987 | 38.32 | 45.44 | a | 50.97 | 66.80 | 69.32 | 78.11 | b | 76.06 | 83.03 | 80.93 | 73.13 | 47.30 | 37.55 | 62.25 | |||||||||||
1988 | 37.79 | b | 53.55 | 53.87 | 59.41 | a | 64.52 | 74.67 | 86.03 | 85.52 | b | 77.10 | 75.07 | b | 43.83 | 38.41 | i | 64.67 | a | |||||||
1989 | 39.00 | a | 36.82 | 48.68 | 63.75 | b | 63.97 | 76.21 | a | 83.57 | a | 79.00 | 74.23 | 62.20 | a | 52.57 | 48.03 | 60.67 | ||||||||
1990 | 42.48 | 44.29 | 53.03 | b | 64.90 | 63.10 | a | 72.07 | c | 86.52 | d | 81.50 | a | 81.93 | a | 63.74 | 51.07 | a | 35.86 | b | 61.71 | |||||
1991 | 46.65 | 56.00 | g | 48.10 | 54.28 | a | 61.22 | d | 68.86 | b | 84.60 | a | 83.83 | b | 81.17 | a | 67.03 | a | 48.72 | a | 42.36 | f | 64.45 | b | ||
1992 | 41.00 | a | ----- | z | ----- | z | 63.03 | 79.89 | c | 78.18 | b | 80.68 | 86.00 | 75.31 | a | 65.90 | a | 46.96 | c | ----- | z | 68.55 | c | |||
1993 | 31.97 | b | 33.65 | e | 51.15 | d | 56.52 | e | 70.17 | b | 70.07 | b | 72.77 | a | 77.84 | 78.32 | b | 66.33 | g | 47.50 | 42.40 | a | 57.49 | a | ||
1994 | 49.77 | e | 42.14 | 58.63 | d | 61.16 | e | 68.16 | 75.07 | c | 88.15 | d | 85.87 | 78.24 | e | 61.26 | h | 41.45 | h | 41.24 | f | 67.47 | c | |||
1995 | 42.35 | k | 54.57 | n | 50.09 | h | 57.04 | f | 65.60 | a | ----- | z | 82.92 | g | 86.23 | 79.04 | b | ----- | z | ----- | z | 38.58 | e | 67.36 | h | |
1996 | 43.56 | d | 48.68 | j | 54.08 | f | 59.64 | b | 62.93 | b | ----- | z | 85.96 | d | 84.62 | b | 74.29 | b | 63.97 | b | 52.93 | c | 41.61 | h | 65.99 | d |
1997 | 44.22 | m | 44.36 | f | 56.68 | f | 58.05 | h | 74.00 | e | 73.29 | i | 83.11 | d | 84.93 | c | ----- | z | 61.46 | g | 52.28 | l | 42.67 | g | 80.68 | i |
1998 | 44.31 | e | 43.05 | i | 53.68 | i | 56.81 | n | 57.30 | k | 73.04 | b | 87.75 | k | 89.72 | f | 78.06 | l | 62.86 | i | 45.88 | f | 38.40 | k | 58.67 | j |
1999 | 43.40 | p | 42.38 | l | 49.94 | m | 55.50 | f | 67.14 | j | ----- | z | 86.17 | g | 82.14 | j | 76.44 | e | 69.58 | s | 52.79 | k | 41.41 | i | 76.44 | k |
2000 | 39.64 | f | 45.40 | d | 51.25 | c | 66.83 | g | ----- | z | ----- | z | 84.82 | i | 86.82 | c | 76.35 | d | 61.89 | c | 41.52 | g | 40.74 | h | 64.34 | g |
2001 | 39.80 | f | 41.52 | e | 55.00 | g | 56.25 | f | 75.04 | e | 76.13 | g | 84.08 | f | 87.19 | d | 78.67 | i | 66.52 | h | 50.95 | h | 37.90 | j | 67.92 | i |
2002 | 39.78 | h | ----- | z | 49.96 | e | 60.57 | i | 68.19 | j | 80.62 | f | 90.93 | c | 84.00 | g | 77.86 | i | 62.33 | d | 52.36 | h | 43.45 | i | 67.74 | i |
2003 | 44.74 | d | 45.88 | d | 52.77 | i | 53.57 | i | 67.16 | f | ----- | z | 92.88 | g | 85.38 | g | 81.68 | h | 70.68 | l | 41.93 | c | 37.96 | g | 44.18 | i |
2004 | 39.08 | g | 42.72 | k | 61.71 | g | 62.92 | e | 67.95 | k | 78.26 | c | 88.42 | g | 84.83 | h | 75.12 | f | 63.29 | j | 48.55 | j | 43.82 | n | 70.59 | j |
2005 | 39.09 | h | 47.48 | g | 55.88 | f | 56.91 | g | 64.76 | f | 71.04 | f | 90.00 | f | 86.09 | h | 76.57 | i | 64.90 | k | 43.71 | i | 28.09 | i | ----- | z |
2006 | 42.23 | i | 42.87 | m | 45.92 | f | 58.95 | i | ----- | z | 81.67 | i | 90.81 | j | 84.00 | j | 79.79 | k | 64.78 | m | ----- | z | 41.00 | s | ----- | z |
2007 | 37.26 | h | 42.45 | f | 57.95 | k | 62.24 | i | 70.77 | i | 79.10 | i | 89.56 | f | 85.39 | h | 72.83 | l | 59.00 | j | 48.38 | i | 38.95 | l | ----- | z |
2008 | 36.09 | i | 45.17 | k | 47.71 | q | 54.48 | g | 67.53 | p | 77.57 | g | 86.84 | l | 85.11 | c | 79.78 | c | 66.14 | i | 52.87 | g | 40.20 | f | 82.44 | j |
2009 | 43.79 | c | 45.00 | 49.28 | f | 60.38 | f | 71.67 | d | 74.50 | d | 90.26 | d | 85.17 | h | 84.75 | f | 59.59 | d | 49.26 | g | 36.56 | d | 60.19 | e | |
2010 | 43.10 | a | 46.38 | b | 54.37 | d | 56.48 | c | 62.24 | f | 74.75 | f | 87.27 | e | 85.36 | i | 78.08 | f | 66.67 | g | 46.46 | d | 38.43 | c | 53.21 | e |
2011 | 41.21 | b | 43.78 | e | 46.86 | c | 56.00 | g | 62.64 | f | 74.00 | e | 85.16 | l | 84.97 | 80.55 | a | 61.87 | 43.93 | c | 41.06 | 57.58 | c | |||
2012 | 41.94 | 42.76 | 47.48 | 57.70 | 66.77 | 70.90 | 85.58 | 87.39 | 80.80 | 62.19 | 46.63 | 36.23 | 60.53 | |||||||||||||
2013 | 33.42 | 44.29 | 54.06 | 58.07 | 67.16 | 75.90 | 89.55 | 82.52 | 71.47 | 58.65 | 48.43 | 34.77 | 59.86 | |||||||||||||
2014 | 45.32 | 43.82 | 52.71 | 59.50 | 68.00 | 74.67 | 89.10 | 82.48 | 76.13 | 64.39 | 45.80 | 41.90 | 61.99 | |||||||||||||
2015 | 45.04 | e | 50.96 | 58.48 | 59.10 | 65.87 | 82.77 | 83.90 | 84.61 | 75.03 | 67.77 | 42.67 | 35.48 | 62.64 | ||||||||||||
2016 | 37.23 | 50.66 | 50.42 | 64.47 | 66.52 | 77.07 | 83.16 | 85.68 | 72.80 | 57.03 | 50.57 | 33.10 | 60.72 | |||||||||||||
2017 | 28.06 | 40.61 | 51.94 | 54.10 | 69.61 | 77.43 | 90.16 | 87.06 | 74.00 | a | 58.81 | 46.03 | 39.13 | 59.75 | ||||||||||||
2018 | 44.81 | 42.93 | 47.97 | 57.27 | 70.74 | 76.40 | 88.52 | 84.23 | 74.70 | 60.58 | 47.97 | 34.94 | 60.92 | |||||||||||||
2019 | 41.45 | 35.14 | 44.81 | 58.10 | 66.00 | 76.30 | 83.55 | 85.84 | 70.40 | 55.71 | 50.47 | 37.39 | 58.76 | |||||||||||||
2020 | 41.16 | 47.17 | 48.71 | 60.67 | 67.29 | 74.70 | 85.94 | 86.13 | 81.23 | 66.58 | 45.33 | 39.48 | 62.03 | |||||||||||||
2021 | 39.87 | 43.82 | 51.39 | 61.83 | 67.68 | 82.90 | 90.32 | 85.00 | 75.53 | 59.13 | 50.80 | 39.16 | 62.29 | |||||||||||||
2022 | 42.30 | a | 48.71 | 54.61 | 52.00 | 65.18 | i | 74.53 | 90.06 | 88.84 | 78.40 | 68.71 | 33.73 | 33.42 | 60.48 | a | ||||||||||
2023 | 39.26 | 42.32 | 41.06 | 56.57 | 68.06 | 75.93 | 89.10 | 83.13 | 71.40 | 62.81 | 48.10 | 40.94 | 59.89 | |||||||||||||
2024 | 42.03 | 44.31 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.17 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.06 | 44.28 | 49.92 | 58.95 | 67.10 | 74.64 | 84.84 | 83.58 | 75.92 | 63.46 | 47.80 | 39.59 | 60.59 | |||||||||||||
S.D. | 4.82 | 4.06 | 3.93 | 4.49 | 4.18 | 3.83 | 4.13 | 3.22 | 4.13 | 4.71 | 4.59 | 4.25 | 1.36 | |||||||||||||
SKEW | -0.64 | -0.19 | 0.20 | -0.34 | 0.65 | 0.03 | -0.73 | -0.18 | -0.70 | 0.37 | -0.12 | 0.38 | -0.49 | |||||||||||||
MAX | 49.77 | 53.55 | 58.63 | 66.80 | 79.89 | 82.90 | 90.93 | 90.93 | 81.93 | 75.07 | 59.33 | 49.35 | 62.64 | |||||||||||||
MIN | 28.06 | 33.65 | 41.06 | 48.53 | 57.87 | 66.20 | 72.77 | 76.42 | 64.70 | 54.06 | 33.73 | 33.10 | 57.75 | |||||||||||||
YRS | 52 | 49 | 47 | 47 | 49 | 49 | 50 | 52 | 51 | 48 | 50 | 46 | 38 |