YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.94 | 45.91 | a | 39.82 | 45.89 | i | ||
1963 | 29.00 | 40.38 | 46.65 | 49.48 | 57.89 | 65.80 | 67.39 | 71.16 | 66.88 | 55.16 | 44.38 | 32.65 | 52.23 | |||||||||||||
1964 | 39.85 | 40.34 | 43.21 | 49.42 | 55.95 | 65.07 | 70.90 | 67.20 | a | 60.35 | 49.50 | 40.48 | 32.39 | 51.22 | ||||||||||||
1965 | 36.08 | 42.32 | 40.97 | 53.55 | 57.10 | a | 64.43 | 71.94 | 71.52 | 58.83 | 54.71 | 44.73 | b | 35.88 | a | 52.67 | ||||||||||
1966 | 36.58 | a | 38.93 | 44.93 | a | 50.92 | 59.21 | 63.28 | 68.68 | 69.31 | 65.82 | 52.55 | 44.21 | a | 41.05 | 52.95 | ||||||||||
1967 | 43.67 | a | 42.59 | 44.95 | 46.55 | 57.06 | 67.43 | 73.29 | 74.68 | 67.92 | 53.40 | 41.18 | 36.45 | 54.10 | ||||||||||||
1968 | 37.71 | 42.64 | 47.74 | 48.93 | 57.68 | 65.62 | 73.55 | 68.18 | 62.72 | 49.60 | 42.33 | 32.70 | a | 52.45 | ||||||||||||
1969 | 21.66 | 35.25 | 44.39 | 50.80 | 60.84 | 68.93 | a | 70.66 | 68.10 | 63.75 | 48.56 | 42.23 | 35.87 | 50.92 | ||||||||||||
1970 | 33.78 | a | 41.32 | 43.76 | 46.95 | 58.74 | 69.48 | 74.03 | 70.48 | 57.59 | a | 48.71 | 40.98 | a | 36.16 | 51.83 | ||||||||||
1971 | 41.07 | a | 40.12 | 42.16 | 49.40 | 59.05 | 62.08 | 72.23 | 73.71 | 56.72 | 48.32 | 42.80 | 37.08 | 52.06 | ||||||||||||
1972 | 32.94 | 37.00 | 47.65 | 47.43 | 59.40 | a | 66.33 | 70.66 | 71.24 | 57.62 | d | 50.05 | 41.73 | 27.24 | 50.77 | |||||||||||
1973 | 30.32 | 37.00 | 46.90 | 50.73 | 59.87 | 65.40 | 71.00 | 70.00 | 61.98 | 51.68 | 41.07 | 40.55 | 52.21 | |||||||||||||
1974 | 28.66 | 43.05 | 45.29 | c | 50.45 | 56.00 | 67.17 | 70.37 | 70.35 | 61.63 | 49.69 | 44.23 | 38.68 | a | 52.13 | |||||||||||
1975 | 34.48 | 35.36 | 41.53 | 46.08 | 55.94 | 62.62 | 73.98 | 66.87 | 60.57 | 52.03 | 41.52 | 37.70 | a | 50.72 | ||||||||||||
1976 | 37.81 | 39.12 | 42.15 | 47.75 | 57.15 | 60.60 | 70.11 | 67.50 | 64.05 | 49.37 | 41.53 | 33.85 | a | 50.92 | ||||||||||||
1977 | 25.13 | 40.45 | 44.76 | 53.23 | 54.52 | 67.82 | 69.68 | 74.42 | 59.42 | 49.28 | a | 40.03 | 37.11 | 51.32 | ||||||||||||
1978 | 32.39 | 39.38 | 46.97 | a | 50.62 | 56.39 | 65.22 | 71.15 | 68.42 | 59.62 | 48.90 | 33.18 | 30.90 | 50.26 | ||||||||||||
1979 | 15.06 | 37.12 | 45.68 | 51.28 | a | 59.08 | 65.38 | 71.31 | 71.30 | a | 64.14 | b | 53.02 | 35.93 | 38.73 | 50.67 | ||||||||||
1980 | 26.37 | 35.98 | 43.43 | a | 53.10 | a | 58.25 | a | 62.21 | a | 70.52 | 65.47 | 61.73 | 49.62 | b | 42.57 | 37.87 | a | 50.59 | |||||||
1981 | 36.61 | c | 38.98 | 46.11 | 50.85 | 56.87 | 61.97 | 68.07 | b | 71.64 | c | 61.15 | 48.44 | 42.59 | a | 37.03 | a | 51.69 | ||||||||
1982 | 33.92 | a | 39.06 | b | 44.11 | 47.02 | 56.28 | a | 67.43 | 69.69 | 68.38 | c | 57.25 | 48.48 | a | 35.88 | 35.00 | 50.21 | ||||||||
1983 | 39.11 | c | 41.61 | 46.82 | 48.48 | a | 59.23 | 63.35 | f | 67.68 | 71.24 | 56.95 | 49.40 | b | 47.20 | b | 23.67 | d | 50.12 | a | ||||||
1984 | 33.74 | n | 39.76 | 47.58 | a | 49.55 | a | 54.93 | b | 62.91 | a | 70.95 | 68.52 | a | 62.10 | j | 47.43 | b | 41.11 | c | 29.53 | b | 51.23 | b | ||
1985 | 27.18 | a | 31.65 | a | 43.98 | a | 54.72 | 59.82 | a | 65.03 | a | 75.02 | 66.37 | a | 56.93 | ----- | z | 28.66 | b | 20.78 | b | 48.19 | a | |||
1986 | 34.20 | a | 39.26 | a | 48.45 | a | 50.40 | 58.95 | a | 69.97 | 70.34 | 74.56 | 59.63 | 52.78 | b | 43.09 | g | 32.67 | a | 53.75 | a | |||||
1987 | 30.13 | a | 39.38 | 47.65 | 54.58 | 61.63 | 66.50 | a | 69.58 | 68.55 | 63.95 | 50.23 | 42.37 | c | 35.12 | b | 52.47 | |||||||||
1988 | 33.60 | b | 39.59 | 44.66 | b | 52.80 | 57.98 | 64.36 | a | 70.57 | a | 67.98 | 61.20 | 55.60 | 46.14 | a | 33.12 | b | 52.30 | |||||||
1989 | 37.93 | b | 24.43 | a | 42.27 | 53.17 | a | 56.37 | 66.25 | 69.30 | c | 68.43 | d | 60.53 | a | 50.38 | b | 45.38 | e | 33.93 | c | 50.70 | ||||
1990 | 40.38 | a | 36.85 | a | 45.02 | a | 54.43 | a | 56.38 | a | 64.32 | 72.80 | a | 70.81 | 66.12 | 50.21 | b | 45.55 | b | 25.98 | a | 52.40 | ||||
1991 | 30.35 | a | 44.16 | c | 43.13 | a | 51.72 | 56.06 | 60.77 | 70.61 | 72.23 | 62.40 | a | 50.45 | c | 41.00 | b | 37.34 | c | 51.68 | ||||||
1992 | 38.90 | b | 42.02 | 47.15 | 53.73 | 60.84 | 69.28 | 69.36 | c | 69.33 | d | 59.58 | e | 51.12 | b | 41.27 | d | 33.11 | c | 52.97 | ||||||
1993 | 23.60 | a | 29.60 | b | 40.62 | b | 51.27 | 61.53 | 63.60 | 66.37 | 67.08 | 61.25 | b | 52.71 | c | 35.38 | d | 36.40 | b | 49.12 | ||||||
1994 | 40.00 | d | 36.44 | c | 46.34 | 54.61 | c | 60.57 | b | 64.45 | a | 74.18 | 70.78 | a | 63.98 | c | 49.96 | d | 40.78 | c | 37.55 | c | 53.30 | |||
1995 | 34.05 | b | 40.77 | d | 45.02 | b | 49.34 | a | 58.27 | 62.98 | a | 71.73 | 66.21 | 64.31 | a | 48.91 | b | 45.42 | d | 34.36 | i | 53.37 | a | |||
1996 | 36.04 | d | 38.35 | e | 44.07 | a | 52.65 | 55.13 | a | 63.12 | a | 72.65 | 69.50 | 60.17 | a | 50.80 | a | 39.38 | j | 31.87 | d | 52.21 | a | |||
1997 | 31.10 | p | 40.05 | 48.15 | a | 49.63 | 60.06 | 63.70 | 69.27 | 72.32 | a | 62.85 | c | 50.81 | 42.11 | b | 36.70 | c | 54.15 | a | ||||||
1998 | 35.95 | b | 42.02 | d | 44.90 | a | 49.55 | b | 57.04 | d | 65.18 | ----- | z | 72.55 | 66.68 | b | 49.83 | b | 45.28 | c | 35.52 | c | 51.32 | a | ||
1999 | 40.73 | e | 42.93 | a | 45.03 | a | 48.05 | b | 54.95 | 63.89 | b | 69.02 | a | 70.73 | c | 58.96 | f | 49.24 | b | 45.67 | d | 39.62 | a | 51.81 | a | |
2000 | 35.77 | c | 39.79 | c | 44.10 | 53.59 | a | 58.55 | 64.33 | a | 70.90 | 69.57 | a | 59.09 | b | 49.34 | c | 35.16 | e | 32.18 | c | 51.03 | ||||
2001 | 33.35 | a | 35.73 | b | 45.02 | 49.07 | a | 59.17 | a | 61.65 | 70.23 | a | 70.68 | c | 64.09 | b | 49.72 | b | 42.17 | d | 36.97 | b | 51.49 | |||
2002 | 37.09 | b | 39.00 | b | 41.52 | d | 51.39 | b | 56.27 | 65.76 | a | 73.26 | b | 66.12 | c | 60.75 | b | 46.26 | b | 38.95 | b | 39.12 | a | 51.29 | ||
2003 | 40.41 | b | 38.72 | a | 49.16 | c | 50.46 | b | 57.58 | 65.70 | b | 73.98 | 71.68 | 63.29 | a | 54.90 | 37.22 | a | 35.02 | a | 53.18 | |||||
2004 | 28.07 | a | 38.16 | 48.76 | 51.52 | 57.97 | 66.18 | 73.42 | 73.79 | 61.63 | 52.20 | a | 39.55 | a | 37.37 | a | 52.38 | |||||||||
2005 | 32.92 | a | 35.82 | 47.68 | 51.47 | 60.65 | a | 63.72 | 72.63 | a | 71.88 | a | 60.12 | 52.18 | 39.38 | a | 28.68 | a | 51.43 | |||||||
2006 | 42.73 | a | 35.29 | 44.73 | 50.62 | 58.77 | 66.47 | 75.52 | 69.89 | 61.75 | b | 49.73 | 41.88 | a | 31.03 | a | 52.37 | |||||||||
2007 | 30.97 | a | 38.21 | 46.24 | 50.33 | 58.92 | 65.93 | 75.13 | 69.15 | 60.70 | 49.11 | 39.41 | a | 36.41 | b | 51.71 | ||||||||||
2008 | 32.16 | b | 39.79 | 42.60 | 47.18 | 59.03 | 63.48 | 71.21 | 69.74 | 59.60 | 48.35 | 42.09 | a | 26.40 | a | 50.14 | ||||||||||
2009 | 33.52 | a | 35.39 | 40.82 | 49.15 | 58.42 | 66.47 | 73.11 | 71.74 | 63.28 | 47.00 | 42.07 | a | 26.37 | a | 50.61 | ||||||||||
2010 | 38.47 | a | 40.04 | 44.26 | 49.45 | 54.87 | 63.43 | 70.32 | 69.16 | 61.93 | 51.97 | 37.93 | a | 33.62 | a | 51.29 | ||||||||||
2011 | 36.88 | a | 35.48 | 45.07 | a | 45.75 | 53.45 | 61.92 | 67.05 | 71.34 | 63.25 | 51.50 | 39.36 | b | 31.23 | a | 50.19 | |||||||||
2012 | 34.68 | c | 37.31 | 43.73 | 51.42 | 56.66 | 62.17 | 72.13 | a | 70.53 | 61.17 | a | 50.18 | 43.02 | b | 39.46 | f | 53.00 | a | |||||||
2013 | 31.60 | e | 39.83 | h | 45.54 | f | 49.04 | e | 58.82 | a | 64.67 | 74.59 | d | 72.07 | c | 65.08 | 45.92 | r | 38.40 | f | 28.34 | f | 59.41 | e | ||
2014 | 35.81 | g | 33.66 | f | 44.46 | e | 50.23 | d | 59.79 | c | 64.40 | a | 76.00 | a | 73.23 | a | 62.63 | d | 55.46 | d | 38.82 | e | 35.36 | f | 58.34 | c |
2015 | 34.96 | f | 42.86 | f | 48.46 | e | 49.87 | d | 60.87 | d | 71.22 | 74.29 | 71.32 | 60.46 | c | 54.64 | f | 39.98 | g | 37.16 | f | 62.36 | e | |||
2016 | 35.56 | g | 41.39 | f | 45.98 | d | 55.29 | d | 59.44 | d | 65.67 | 70.40 | 70.08 | 60.22 | c | 52.90 | f | 46.77 | f | 26.92 | f | 61.01 | e | |||
2017 | 20.38 | g | 32.20 | e | 46.09 | d | 50.32 | e | 58.59 | c | 65.02 | 72.98 | 72.15 | 62.67 | c | 48.90 | f | 42.52 | f | 31.25 | e | 54.58 | c | |||
2018 | 39.60 | f | 38.70 | e | 43.39 | d | 51.22 | e | 62.55 | c | 63.38 | 72.45 | 71.02 | b | 60.28 | a | 50.02 | f | 40.83 | f | 38.26 | n | 57.87 | d | ||
2019 | ----- | z | 24.85 | d | 34.13 | e | 52.29 | d | 58.43 | c | 65.58 | 69.26 | b | 71.29 | 63.14 | e | 45.27 | e | 35.96 | f | 34.61 | i | 53.81 | c | ||
2020 | 37.00 | n | 39.59 | m | 43.00 | r | 51.88 | v | 56.71 | n | 66.17 | j | 71.38 | j | 72.21 | e | 62.36 | i | 52.82 | a | 42.38 | m | 34.44 | g | 62.51 | j |
2021 | 38.73 | 34.80 | 44.98 | a | 49.55 | 57.63 | 70.12 | a | 75.43 | a | 71.95 | a | 61.02 | 51.18 | 44.57 | 36.05 | b | 53.00 | ||||||||
2022 | 31.67 | a | 37.59 | 47.68 | 45.53 | 53.48 | 63.43 | 73.89 | 74.21 | 63.68 | 55.21 | 36.21 | a | 27.81 | d | 50.87 | ||||||||||
2023 | 35.38 | a | 36.68 | 41.73 | 49.05 | 62.00 | 66.05 | a | 72.23 | 72.04 | d | 62.88 | b | 51.37 | d | 39.63 | 37.92 | 52.25 | ||||||||
2024 | 29.18 | 40.93 | 45.23 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.45 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.94 | 38.07 | 44.83 | 50.45 | 58.08 | 65.04 | 71.51 | 70.39 | 61.71 | 50.65 | 41.14 | 34.06 | 51.63 | |||||||||||||
S.D. | 5.53 | 3.88 | 2.56 | 2.35 | 2.09 | 2.33 | 2.27 | 2.23 | 2.57 | 2.31 | 3.59 | 4.46 | 1.04 | |||||||||||||
SKEW | -0.91 | -1.55 | -1.16 | 0.02 | -0.12 | 0.52 | -0.05 | -0.18 | 0.14 | 0.34 | -0.98 | -0.88 | 0.02 | |||||||||||||
MAX | 43.67 | 44.16 | 49.16 | 55.29 | 62.55 | 71.22 | 76.00 | 74.68 | 67.92 | 55.60 | 47.20 | 41.05 | 54.10 | |||||||||||||
MIN | 15.06 | 24.43 | 34.13 | 45.53 | 53.45 | 60.60 | 66.37 | 65.47 | 56.72 | 45.27 | 28.66 | 20.78 | 49.12 | |||||||||||||
YRS | 53 | 57 | 60 | 60 | 60 | 59 | 59 | 61 | 58 | 56 | 53 | 53 | 43 |