YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.70 | u | 72.17 | 67.13 | 50.37 | 48.32 | 59.50 | h | ||||
1959 | 42.90 | 42.33 | a | 51.10 | 60.50 | 60.57 | a | 72.93 | 85.58 | 79.03 | a | 68.45 | a | 64.00 | 55.37 | 42.67 | a | 60.45 | ||||||||
1960 | 37.58 | 42.44 | b | 52.13 | 57.30 | 60.87 | 77.30 | 88.57 | a | 78.77 | 76.47 | 64.81 | 45.93 | 41.29 | 60.29 | |||||||||||
1961 | 43.97 | 48.74 | a | 49.92 | f | 57.45 | a | 62.58 | 80.40 | 84.97 | 85.93 | a | 69.15 | d | 62.20 | a | 46.40 | 41.68 | c | 62.13 | a | |||||
1962 | 41.87 | 43.14 | 48.06 | 62.77 | 58.45 | 73.80 | 82.19 | 77.65 | 77.40 | 62.19 | 50.77 | 46.52 | 60.40 | |||||||||||||
1963 | 42.77 | 53.00 | 50.66 | b | 51.47 | 65.55 | 70.53 | 77.23 | 81.65 | 79.60 | 63.23 | 49.17 | a | 42.29 | 60.59 | |||||||||||
1964 | 42.32 | 49.96 | f | 48.48 | 54.60 | 63.29 | 70.30 | 81.25 | c | 78.60 | a | 73.20 | 65.06 | 45.36 | b | 39.10 | 60.14 | a | ||||||||
1965 | 41.55 | 50.54 | 53.00 | a | 59.20 | 64.45 | 73.10 | 82.29 | 78.16 | 69.63 | 69.81 | 49.43 | 41.77 | 61.08 | ||||||||||||
1966 | 43.10 | 44.39 | 53.23 | 61.03 | 69.35 | 71.31 | a | 79.29 | 81.90 | 76.85 | c | 65.52 | 49.80 | 43.45 | 61.60 | |||||||||||
1967 | 45.16 | 51.07 | 47.52 | 49.57 | 66.90 | 74.90 | 86.00 | 90.03 | 81.40 | 63.87 | 48.90 | 40.23 | 62.13 | |||||||||||||
1968 | 43.00 | 47.28 | 55.29 | 57.07 | 64.97 | a | 74.90 | 86.42 | 76.58 | 75.50 | 61.74 | 47.60 | 41.18 | i | 62.76 | a | ||||||||||
1969 | 35.03 | 40.54 | 53.29 | 58.03 | 71.19 | 75.23 | 81.32 | 81.23 | ----- | z | 58.52 | 52.10 | 41.87 | 58.94 | a | |||||||||||
1970 | 41.87 | 47.43 | 51.13 | 51.90 | 67.84 | 78.37 | 85.26 | 85.77 | 70.20 | 61.13 | 46.73 | 39.97 | 60.63 | |||||||||||||
1971 | 45.16 | 46.96 | b | 46.84 | 56.43 | 65.06 | 69.30 | 85.55 | 87.45 | 69.27 | 60.42 | 50.40 | 39.87 | 60.23 | ||||||||||||
1972 | 40.45 | 46.79 | 55.71 | 53.50 | 69.84 | 76.23 | 84.61 | 84.39 | 71.83 | 61.29 | 48.83 | 34.90 | 60.70 | |||||||||||||
1973 | 37.32 | 45.56 | a | 51.34 | b | 60.27 | 70.29 | 76.17 | 86.87 | a | 82.90 | 75.07 | 63.10 | 43.62 | a | 43.81 | 61.36 | |||||||||
1974 | 35.35 | 46.78 | a | 49.97 | 56.60 | 63.13 | 81.97 | 82.10 | 83.39 | 81.45 | a | 66.16 | 51.17 | 43.03 | 61.76 | |||||||||||
1975 | 43.45 | 43.56 | a | 46.58 | 51.70 | 66.30 | d | 72.03 | a | 85.19 | 79.23 | 78.57 | 59.52 | 45.77 | 44.39 | 59.69 | ||||||||||
1976 | 45.16 | 45.90 | 51.10 | 55.00 | 69.94 | 72.03 | 86.42 | 76.32 | 76.13 | 66.84 | 51.13 | 45.35 | 61.78 | |||||||||||||
1977 | 40.58 | 51.75 | d | 50.61 | 65.07 | 60.00 | 81.23 | 84.38 | b | 91.52 | 71.63 | 63.89 | d | 47.53 | 41.32 | 62.46 | ||||||||||
1978 | 40.24 | b | 44.37 | a | 55.21 | b | 50.93 | a | 63.71 | 76.20 | 83.79 | b | 79.29 | 71.53 | 69.22 | d | 40.72 | e | 40.04 | h | 61.38 | a | ||||
1979 | ----- | z | 40.32 | f | 51.47 | a | 53.63 | ----- | z | 76.19 | d | 84.87 | 78.73 | a | 78.20 | 68.00 | e | 41.42 | f | 44.57 | c | 66.96 | d | |||
1980 | 34.50 | i | ----- | z | ----- | z | ----- | z | ----- | z | 71.32 | k | 85.17 | a | 82.41 | b | 78.24 | e | 67.09 | h | 53.00 | m | 49.56 | m | 81.94 | i |
1981 | 41.53 | l | 47.65 | k | 55.80 | k | 61.09 | g | 66.85 | e | 75.85 | c | 81.63 | d | 90.04 | e | 76.00 | e | 59.90 | j | 51.22 | l | 41.82 | i | 78.07 | g |
1982 | 39.37 | l | 43.16 | i | 50.39 | h | 55.36 | h | 65.36 | i | 74.40 | 81.10 | 82.74 | 71.62 | a | 57.52 | b | 44.36 | e | 39.00 | c | 64.39 | e | |||
1983 | 45.07 | b | 44.78 | e | 51.70 | a | 56.80 | e | 71.00 | m | 70.46 | d | 78.30 | a | 85.27 | a | 71.38 | a | 66.71 | c | 48.92 | e | 34.59 | n | 61.94 | b |
1984 | 37.67 | m | 39.73 | n | 47.83 | g | 49.87 | g | 60.61 | c | 66.67 | i | 88.62 | e | 86.00 | g | 73.21 | b | 57.17 | a | 45.07 | 38.45 | 60.52 | f | ||
1985 | 37.42 | 44.37 | a | 51.16 | 63.86 | a | 69.46 | c | 79.71 | b | 91.87 | 81.26 | 67.59 | a | 62.54 | g | 40.76 | e | 34.13 | 60.15 | a | |||||
1986 | 43.34 | b | 46.00 | a | 57.75 | c | 58.20 | 65.97 | b | 83.37 | 80.47 | a | 89.77 | 68.37 | 66.55 | 49.17 | g | 35.91 | i | 65.98 | b | |||||
1987 | 38.50 | k | 45.78 | j | 54.09 | i | 70.90 | i | ----- | z | 80.52 | e | 78.28 | f | 84.22 | h | 83.08 | f | 72.95 | j | 52.06 | m | 38.55 | k | 80.52 | k |
1988 | 37.30 | k | 47.89 | k | 52.17 | h | 60.95 | j | 65.37 | l | 73.90 | i | 85.35 | k | 87.17 | h | 76.14 | i | 73.95 | k | 47.81 | d | 41.65 | e | 44.73 | j |
1989 | 41.77 | 35.11 | 50.07 | a | 62.93 | 65.00 | 77.93 | 83.00 | 79.61 | 76.30 | 62.68 | 51.80 | 46.40 | a | 61.05 | |||||||||||
1990 | 42.57 | c | 44.26 | a | 53.68 | 65.97 | 64.55 | 74.57 | 87.06 | 83.87 | 81.40 | 62.35 | 51.73 | 36.38 | b | 62.37 | ||||||||||
1991 | 41.26 | 52.82 | 48.10 | 56.30 | 61.71 | 70.00 | 86.42 | 86.74 | 80.60 | 66.16 | 47.47 | 41.07 | a | 61.55 | ||||||||||||
1992 | 43.19 | 48.31 | 57.90 | 61.03 | 74.48 | ----- | z | 82.19 | 87.29 | 75.83 | 66.23 | 46.43 | 35.61 | 61.68 | a | |||||||||||
1993 | 30.39 | 34.50 | 50.14 | b | 55.97 | 70.17 | a | 70.23 | 74.70 | a | 79.57 | c | 79.28 | a | 65.52 | 45.00 | a | 40.77 | 58.02 | |||||||
1994 | 47.50 | a | 45.07 | a | 56.32 | 61.70 | 69.45 | 75.27 | 89.79 | b | 85.07 | a | 80.00 | 62.06 | 41.20 | 42.42 | 62.99 | |||||||||
1995 | 38.94 | 50.89 | a | 49.48 | 56.14 | b | 66.84 | 70.67 | 81.45 | 80.16 | 79.40 | 61.39 | 52.66 | a | 38.39 | c | 60.53 | |||||||||
1996 | 41.13 | a | 43.38 | 52.06 | 58.97 | 62.61 | 75.57 | 88.35 | 86.52 | 73.10 | 61.42 | 49.37 | 40.73 | a | 61.10 | |||||||||||
1997 | 41.10 | a | 41.71 | 52.13 | 54.67 | 71.48 | 73.03 | 82.55 | 83.61 | 73.40 | 59.84 | 47.97 | a | 41.42 | 60.24 | |||||||||||
1998 | 42.67 | a | 44.43 | 53.19 | 56.80 | 60.81 | 73.83 | 89.19 | 88.69 | b | 81.63 | 62.13 | 46.83 | 40.61 | 61.74 | |||||||||||
1999 | 44.94 | 42.59 | a | 47.81 | 54.63 | 63.23 | 72.72 | a | 84.29 | 83.32 | 75.73 | 66.29 | 53.03 | 43.03 | 60.97 | |||||||||||
2000 | 37.74 | 42.21 | 49.26 | 61.50 | 60.06 | 72.48 | a | 84.48 | 87.16 | 75.27 | 59.10 | a | 38.27 | 36.71 | 58.69 | |||||||||||
2001 | 36.68 | 38.70 | a | 53.55 | 54.40 | 74.63 | a | 71.43 | b | 82.93 | a | 86.35 | 79.08 | d | 61.81 | 46.60 | 38.44 | f | 62.38 | a | ||||||
2002 | 38.68 | 47.39 | 49.58 | 60.82 | b | 65.14 | b | 76.59 | a | 88.03 | a | 80.83 | a | 77.10 | 61.32 | c | 54.19 | i | 41.34 | b | 62.44 | a | ||||
2003 | 44.97 | 44.37 | a | 51.55 | 54.00 | 64.37 | d | 79.90 | a | 91.65 | 84.68 | 79.63 | c | 65.55 | 42.24 | a | 38.61 | h | 63.90 | a | ||||||
2004 | 36.31 | b | 42.32 | d | 56.79 | g | 62.28 | a | 65.88 | n | 75.59 | a | 86.19 | 83.13 | a | 69.80 | 60.29 | 48.80 | 43.23 | 60.79 | b | |||||
2005 | 42.61 | c | 46.27 | b | 54.74 | 54.20 | 64.27 | a | 70.67 | 87.52 | 85.77 | 73.03 | 61.10 | a | 42.00 | a | 36.13 | a | 59.86 | |||||||
2006 | 43.03 | 48.50 | l | 45.73 | a | 57.93 | 69.26 | 77.33 | 88.74 | 83.68 | 76.87 | 61.63 | a | 47.59 | a | 39.97 | 62.89 | a | ||||||||
2007 | 38.13 | 46.04 | 57.35 | 58.03 | 71.03 | 74.83 | 87.77 | 82.77 | 71.67 | 57.94 | 47.47 | 38.67 | a | 60.98 | ||||||||||||
2008 | 36.93 | a | 45.72 | 47.32 | 52.50 | 66.23 | 75.43 | b | 86.74 | 82.65 | 76.93 | 61.74 | 51.28 | a | 36.16 | 59.97 | ||||||||||
2009 | 43.29 | 43.46 | 44.61 | 58.27 | 68.03 | a | 74.83 | 88.48 | 84.84 | 78.79 | a | 56.00 | a | 48.20 | 33.80 | a | 60.22 | |||||||||
2010 | 42.16 | 43.22 | e | 51.36 | c | 54.20 | e | 58.71 | c | 68.96 | c | 85.06 | m | 81.61 | 72.29 | b | 61.23 | 45.63 | 39.38 | b | 56.25 | a | ||||
2011 | 46.29 | c | 41.32 | 47.23 | 50.14 | b | 59.42 | 70.13 | 79.94 | 85.97 | 80.70 | 61.71 | 47.53 | 44.61 | 59.58 | |||||||||||
2012 | 44.81 | 43.93 | 47.71 | 58.67 | 65.13 | 67.65 | j | 84.31 | b | 87.16 | 77.89 | b | 61.58 | 49.00 | 38.71 | 59.90 | a | |||||||||
2013 | 40.80 | a | 46.48 | a | 51.48 | 57.20 | 68.08 | e | 74.73 | 90.77 | 83.43 | c | 73.17 | 61.40 | p | 46.87 | 40.48 | 61.23 | a | |||||||
2014 | 44.48 | 39.82 | 53.08 | e | 58.53 | 68.30 | a | 73.83 | 89.23 | 83.39 | 76.17 | 65.19 | 45.59 | a | 42.13 | 61.64 | ||||||||||
2015 | 46.10 | a | 51.18 | 59.32 | 57.00 | d | 68.45 | 84.53 | 86.26 | 85.74 | 74.50 | 65.94 | 45.73 | 40.48 | 63.77 | |||||||||||
2016 | 39.23 | 51.03 | 50.45 | 65.73 | 68.45 | 77.17 | 82.23 | a | 86.87 | 73.57 | 58.00 | 53.10 | 33.52 | 61.61 | ||||||||||||
2017 | 31.77 | 41.25 | 51.55 | 54.10 | 69.74 | 76.83 | 91.19 | 88.29 | 75.27 | 58.30 | a | 48.23 | 38.35 | 60.41 | ||||||||||||
2018 | 43.68 | 42.93 | 47.87 | 58.07 | 71.70 | a | 75.50 | 89.32 | 86.35 | 72.60 | 62.77 | 49.90 | 41.12 | e | 61.82 | |||||||||||
2019 | ----- | z | 37.00 | f | 42.40 | f | 58.86 | h | 67.44 | o | 76.60 | e | 81.87 | 85.68 | 71.23 | 54.13 | 52.33 | 40.33 | a | 66.03 | e | |||||
2020 | 44.48 | 45.48 | b | 47.65 | 45.14 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.87 | i | ||
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 83.86 | i | 91.67 | a | 83.46 | c | 75.17 | a | 58.77 | 51.00 | b | 40.58 | 66.78 | f | ||
2022 | 45.17 | a | 50.90 | h | 49.62 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.17 | k |
2023 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2024 | 46.00 | l | 48.38 | u | 57.67 | m | 57.43 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.41 | 45.08 | 51.24 | 57.33 | 66.01 | 75.00 | 85.08 | 83.63 | 75.13 | 62.56 | 47.80 | 40.60 | 60.95 | |||||||||||||
S.D. | 3.62 | 3.95 | 3.29 | 3.94 | 4.02 | 3.61 | 3.75 | 3.58 | 3.80 | 3.35 | 3.47 | 3.23 | 1.13 | |||||||||||||
SKEW | -0.94 | -0.17 | 0.38 | 0.23 | 0.01 | 0.50 | -0.29 | -0.05 | -0.07 | -0.08 | -0.46 | -0.18 | -0.07 | |||||||||||||
MAX | 47.50 | 53.00 | 59.32 | 65.97 | 74.63 | 84.53 | 91.87 | 91.52 | 81.63 | 69.81 | 55.37 | 48.32 | 63.77 | |||||||||||||
MIN | 30.39 | 34.50 | 44.61 | 49.57 | 58.45 | 68.96 | 74.70 | 76.32 | 67.59 | 54.13 | 38.27 | 33.52 | 58.02 | |||||||||||||
YRS | 55 | 52 | 53 | 54 | 53 | 56 | 59 | 59 | 60 | 57 | 57 | 54 | 36 |