YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.29 | s | 65.20 | e | 54.92 | 47.00 | b | 34.87 | d | 50.50 | h | |
1955 | 27.34 | b | 35.72 | a | 42.10 | 47.94 | d | 57.55 | 69.27 | d | 77.16 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.65 | f | ||
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.55 | i | 76.26 | 64.52 | 55.97 | 40.58 | 35.68 | 54.60 | g | |||||
1962 | 30.97 | 37.32 | 43.12 | a | 58.52 | 58.98 | 70.15 | 75.60 | 74.97 | a | 68.82 | 58.40 | 46.95 | 38.92 | 55.23 | |||||||||||
1963 | 31.44 | 47.25 | 45.39 | 47.78 | 63.21 | 64.60 | 76.05 | 75.24 | 70.70 | 61.15 | 45.38 | 38.18 | 55.53 | |||||||||||||
1964 | 37.40 | a | 37.33 | 42.79 | 50.60 | 58.87 | 67.82 | 78.32 | 75.97 | b | 64.88 | b | 59.15 | 42.37 | 41.05 | 54.71 | ||||||||||
1965 | 37.63 | 40.38 | 46.23 | g | 51.89 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.30 | i | ||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | 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 | 71.31 | a | ----- | z | 78.02 | 71.07 | i | 60.74 | h | 40.52 | i | 34.30 | a | 61.21 | i | |
1993 | 33.56 | d | 38.79 | d | 51.97 | b | 53.61 | c | 66.02 | e | 66.54 | c | 74.84 | c | 75.37 | a | 68.48 | g | 57.28 | d | 40.89 | b | 36.00 | d | 54.08 | a |
1994 | 38.13 | a | 39.17 | d | 51.08 | 55.33 | a | 63.98 | c | 73.95 | 81.25 | c | 79.05 | b | 68.77 | b | 55.32 | 36.83 | a | 37.57 | b | 56.70 | ||||
1995 | 39.82 | a | 48.31 | a | 47.80 | a | 51.69 | d | 57.26 | d | 66.81 | c | 76.80 | a | 77.16 | 70.62 | d | 59.43 | c | 52.10 | e | 42.13 | 57.49 | |||
1996 | 41.45 | a | 44.27 | a | 49.10 | a | 55.93 | a | 63.28 | a | 73.20 | c | 81.12 | f | 78.34 | c | 67.00 | h | 56.42 | e | 46.44 | e | 41.64 | c | 55.01 | b |
1997 | 37.02 | c | 42.09 | e | 51.20 | i | 51.90 | e | 67.39 | h | 70.61 | h | 73.97 | l | 78.53 | l | 68.11 | k | 54.18 | l | ----- | z | 34.07 | i | 43.67 | i |
1998 | 41.20 | i | 40.00 | j | 47.30 | d | 48.96 | e | 53.98 | j | 65.66 | h | 79.27 | c | 79.00 | i | 68.57 | i | 54.02 | i | 44.53 | k | 32.48 | j | 58.51 | i |
1999 | 36.89 | m | 40.70 | m | 47.53 | p | 46.75 | n | 59.94 | o | 70.58 | k | 78.09 | n | 75.65 | n | 67.47 | l | 58.88 | n | 48.72 | n | 35.88 | k | ----- | z |
2000 | 40.15 | n | 43.44 | l | 46.29 | j | 58.11 | p | 65.00 | m | 74.31 | i | 76.76 | l | 77.32 | n | 68.97 | m | 56.03 | m | 40.72 | n | 37.36 | q | ----- | z |
2001 | 33.24 | l | 34.14 | n | 48.47 | o | 50.55 | k | 69.34 | l | 72.97 | l | 76.96 | g | 79.95 | j | 71.69 | l | 61.24 | j | 47.06 | m | 37.89 | m | ----- | z |
2002 | 35.45 | j | 43.75 | j | 45.88 | j | 55.12 | i | 60.16 | i | 75.05 | j | 82.00 | i | 75.64 | i | 69.00 | g | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | 45.35 | k | 37.75 | n | 44.80 | u | 50.44 | l | 61.19 | o | 71.34 | k | 81.21 | c | 77.31 | d | 71.40 | d | 62.17 | d | 41.26 | a | 39.28 | b | 62.11 | f |
2004 | 37.00 | b | 39.69 | b | 54.78 | b | 55.84 | h | 63.60 | b | 72.80 | 79.18 | 75.48 | 67.52 | c | 54.76 | 41.00 | 35.79 | 56.51 | a | ||||||
2005 | 32.92 | a | 38.71 | 47.39 | 50.33 | d | 61.82 | a | 67.81 | a | 81.66 | 77.73 | a | 64.75 | b | 54.27 | c | 45.38 | 39.08 | a | 55.15 | |||||
2006 | 38.91 | b | 39.75 | 43.15 | h | 51.62 | b | 64.90 | a | 74.78 | c | 81.73 | a | 76.13 | 67.97 | a | 53.82 | 47.33 | l | 34.92 | 58.45 | b | ||||
2007 | 29.29 | b | 41.84 | 50.42 | a | 54.68 | 64.61 | 73.64 | b | 82.08 | a | 78.02 | 66.40 | a | 56.42 | a | 45.38 | 33.40 | 56.35 | |||||||
2008 | 33.29 | c | 40.54 | c | 46.74 | b | 51.90 | a | 59.48 | b | 70.97 | a | 79.76 | b | 79.12 | b | 69.68 | b | 56.62 | a | 47.03 | 33.87 | a | 55.75 | ||
2009 | 35.90 | 42.30 | 44.32 | 51.50 | 66.25 | a | 67.37 | 80.10 | a | 75.97 | 72.10 | a | 52.55 | a | 44.50 | a | 29.42 | 55.19 | ||||||||
2010 | 37.59 | b | 41.30 | 45.98 | 49.92 | 55.60 | 70.25 | 79.45 | b | 76.42 | 69.48 | 56.81 | 42.75 | 41.53 | a | 55.59 | ||||||||||
2011 | 35.54 | f | 38.50 | 46.85 | a | 50.77 | 56.02 | c | 67.43 | 78.17 | a | 76.97 | 71.23 | 57.37 | 42.66 | a | 32.18 | 56.19 | a | |||||||
2012 | 38.16 | 38.09 | a | 47.68 | a | 55.70 | 64.58 | 72.83 | a | 79.18 | 79.97 | 72.09 | a | 58.58 | a | 47.95 | 36.30 | a | 57.59 | |||||||
2013 | 28.65 | 38.54 | 50.25 | a | 54.07 | 61.47 | 74.53 | 81.34 | 77.06 | 69.72 | a | 52.76 | 45.14 | b | 29.97 | 55.29 | ||||||||||
2014 | 38.50 | 45.54 | 50.00 | 56.18 | 63.34 | 72.80 | 80.97 | 75.81 | 71.88 | 61.24 | 46.83 | 41.18 | a | 58.69 | ||||||||||||
2015 | 41.13 | 48.87 | a | 54.56 | 54.03 | 61.60 | 75.95 | 75.81 | 78.58 | ----- | z | ----- | z | ----- | z | ----- | z | 61.32 | d | |||||||
2016 | ----- | z | 43.88 | 53.77 | 55.82 | 61.06 | 75.91 | a | 80.15 | 79.22 | d | 67.42 | 57.98 | h | 48.68 | 37.27 | e | 60.32 | b | |||||||
2017 | 40.70 | u | 43.96 | 52.58 | a | 53.32 | 63.61 | 73.84 | a | 80.95 | a | 79.21 | 75.36 | p | ----- | z | ----- | z | ----- | z | 63.93 | e | ||||
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.47 | 70.03 | a | 55.35 | 43.92 | 36.53 | 56.46 | g | ||||
2019 | 40.16 | 37.88 | 45.68 | 56.83 | 58.39 | 71.17 | 77.79 | c | 78.95 | 66.13 | 51.21 | 44.82 | 39.32 | 55.69 | ||||||||||||
2020 | 40.76 | 41.28 | 46.24 | 55.68 | 65.37 | 71.98 | 80.79 | 81.47 | 71.68 | 59.06 | 43.95 | a | 36.60 | 57.91 | ||||||||||||
2021 | 38.69 | 40.80 | a | 44.16 | 56.00 | 64.44 | 78.83 | 83.92 | 79.34 | 72.42 | 55.84 | 48.88 | 37.00 | 58.36 | ||||||||||||
2022 | 37.71 | 38.20 | 49.73 | 54.27 | 61.39 | 73.53 | 82.24 | 79.94 | 73.60 | 58.97 | 38.00 | 37.35 | 57.08 | |||||||||||||
2023 | 33.94 | 35.75 | 40.97 | 54.32 | 61.92 | 68.10 | 83.00 | 77.00 | 67.58 | 56.75 | a | 44.50 | a | 40.74 | 55.38 | |||||||||||
2024 | 40.31 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.31 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.21 | 40.90 | 47.88 | 53.14 | 61.80 | 71.36 | 79.69 | 77.55 | 69.10 | 56.76 | 44.49 | 36.97 | 56.32 | |||||||||||||
S.D. | 4.01 | 3.51 | 3.79 | 2.77 | 3.07 | 3.42 | 2.38 | 1.67 | 2.67 | 2.71 | 3.40 | 3.33 | 1.24 | |||||||||||||
SKEW | -0.73 | 0.74 | 0.13 | -0.20 | -0.50 | -0.03 | -0.44 | 0.33 | -0.26 | 0.05 | -0.21 | -0.42 | 0.59 | |||||||||||||
MAX | 41.45 | 48.87 | 54.78 | 58.52 | 66.25 | 78.83 | 83.92 | 81.47 | 73.60 | 62.17 | 52.10 | 42.13 | 58.69 | |||||||||||||
MIN | 27.34 | 35.72 | 40.97 | 47.78 | 55.60 | 64.60 | 74.84 | 74.97 | 64.52 | 51.21 | 36.83 | 29.42 | 54.71 | |||||||||||||
YRS | 27 | 29 | 27 | 29 | 27 | 28 | 27 | 30 | 26 | 27 | 27 | 29 | 18 |