YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 86.54 | q | 92.81 | 91.87 | 78.10 | a | 72.68 | 58.80 | 42.25 | c | 72.75 | f | ||||
1966 | 38.55 | 41.61 | 59.90 | 69.53 | 82.87 | 89.70 | 95.97 | 93.77 | 83.67 | 68.58 | 58.27 | 42.32 | 68.73 | |||||||||||||
1967 | 38.10 | 52.32 | 63.71 | 65.83 | 75.74 | 83.73 | 94.90 | 93.65 | 84.53 | 74.68 | 57.87 | 34.55 | 68.30 | |||||||||||||
1968 | 35.16 | 51.21 | 60.39 | 62.73 | 77.58 | 91.70 | 93.58 | 85.81 | 83.53 | 72.57 | a | 52.13 | 39.45 | 67.15 | ||||||||||||
1969 | 45.16 | 46.57 | 53.94 | 71.47 | 84.22 | d | 85.53 | 95.74 | 95.94 | 85.37 | 62.39 | 52.20 | 44.83 | a | 68.61 | |||||||||||
1970 | 43.32 | 54.54 | 54.17 | a | 62.63 | 81.13 | 88.53 | 96.07 | a | 95.07 | c | 81.83 | 65.47 | a | 56.25 | b | 45.35 | 68.70 | ||||||||
1971 | 44.10 | 48.79 | 59.43 | a | 68.48 | a | 76.80 | a | 91.17 | 97.63 | a | 93.47 | a | 80.07 | c | 66.47 | a | 49.67 | 37.04 | d | 67.76 | |||||
1972 | 48.39 | m | 55.14 | a | 66.89 | d | 70.52 | e | 80.93 | a | 89.78 | c | 97.37 | a | 92.00 | d | 83.14 | a | 64.29 | 48.03 | 36.94 | 71.37 | a | |||
1973 | 26.97 | a | 40.86 | 52.53 | a | 62.74 | c | ----- | z | 87.72 | a | 95.32 | 94.62 | b | 83.63 | 72.63 | d | 56.21 | a | 45.56 | f | 67.32 | b | |||
1974 | 32.46 | c | 42.65 | b | 64.57 | a | 68.00 | c | 83.86 | b | 92.69 | n | 95.42 | s | 93.66 | b | 85.45 | a | 70.93 | c | 53.43 | 39.65 | e | 63.47 | b | |
1975 | 40.80 | f | 47.43 | 55.03 | a | 60.50 | 71.67 | a | 84.85 | c | 94.07 | b | 92.08 | f | 83.27 | 70.83 | a | 52.30 | 41.63 | a | 66.16 | b | ||||
1976 | 37.48 | 51.97 | 53.43 | a | 66.33 | 77.07 | a | 87.83 | a | 96.29 | 90.81 | 81.60 | 67.00 | 56.83 | 43.39 | 67.50 | ||||||||||
1977 | 38.81 | 51.81 | a | 53.06 | 70.48 | a | 76.30 | a | 94.60 | 94.87 | 94.06 | 86.33 | 73.96 | f | 56.10 | a | 49.94 | 69.67 | a | |||||||
1978 | 40.32 | 46.50 | 60.83 | a | 70.38 | d | 77.03 | a | 91.30 | 97.42 | 94.19 | 84.17 | 77.00 | b | 54.52 | a | 33.42 | 68.92 | ||||||||
1979 | 31.29 | 40.00 | 56.40 | f | 67.40 | 76.65 | 89.27 | 96.10 | 91.83 | b | 90.53 | 75.45 | b | 45.72 | a | 40.73 | a | 67.72 | a | |||||||
1980 | 42.87 | a | 52.36 | a | 56.86 | c | 64.10 | 72.50 | c | 92.07 | 99.00 | a | 92.66 | b | 84.24 | a | 67.93 | a | 55.30 | 51.61 | 69.29 | |||||
1981 | 49.29 | 53.44 | a | 55.74 | 72.83 | 76.94 | 92.70 | 94.45 | 91.58 | 84.23 | 66.29 | 57.90 | 46.90 | 70.19 | ||||||||||||
1982 | 43.37 | a | 47.76 | c | 58.38 | b | 68.04 | b | 77.72 | b | 87.57 | 93.94 | 91.11 | c | 82.73 | d | 65.69 | b | 50.47 | 42.60 | a | 67.45 | ||||
1983 | 43.50 | a | 51.71 | 56.27 | a | 60.39 | b | 75.27 | a | 85.70 | 91.69 | b | 92.75 | c | 86.73 | d | 71.68 | c | 53.93 | a | 42.13 | a | 67.65 | |||
1984 | 37.03 | a | 45.79 | a | 58.06 | 63.70 | 84.00 | a | 86.75 | b | 93.60 | a | 90.83 | b | 85.34 | a | 62.90 | a | 56.20 | 41.90 | 67.18 | |||||
1985 | 40.00 | 45.04 | 58.23 | a | 71.82 | b | 79.81 | 92.30 | 95.06 | 94.90 | 79.17 | 68.57 | a | 54.03 | 45.71 | 68.72 | ||||||||||
1986 | 47.68 | 53.93 | 65.03 | b | 68.47 | 77.55 | 92.63 | 93.86 | b | 94.67 | a | 78.30 | 65.13 | 54.90 | a | 43.74 | 69.66 | |||||||||
1987 | 38.97 | 48.00 | 54.58 | 72.14 | a | 77.48 | ----- | z | 93.30 | a | 90.57 | a | 84.43 | 72.84 | 53.13 | 39.65 | 65.92 | a | ||||||||
1988 | 34.58 | 47.72 | 55.97 | 66.20 | 76.81 | 90.57 | 96.71 | 93.45 | 82.62 | a | 76.39 | 57.53 | 42.03 | 68.38 | ||||||||||||
1989 | 34.71 | 42.25 | 62.87 | 74.13 | 80.10 | 86.86 | b | 97.77 | 89.45 | 84.40 | 71.77 | a | 58.30 | 45.84 | 69.04 | |||||||||||
1990 | 40.65 | 50.22 | a | 61.71 | 68.93 | 77.33 | a | 92.97 | 93.94 | 91.50 | a | 84.23 | 69.22 | d | 52.04 | c | 36.65 | 68.28 | ||||||||
1991 | 32.47 | a | ----- | z | 53.90 | a | 64.50 | 76.47 | a | 86.86 | a | 92.26 | 90.74 | 81.30 | 71.17 | a | 49.73 | 36.13 | 66.87 | a | ||||||
1992 | 37.37 | a | 50.39 | a | 59.43 | c | 72.37 | 78.29 | 86.34 | a | 90.32 | 92.61 | 84.93 | 75.15 | d | 51.14 | a | 41.33 | a | 68.31 | ||||||
1993 | 44.48 | 47.71 | 60.43 | c | 66.10 | 76.87 | a | 86.86 | a | 92.57 | a | 89.61 | 84.17 | 66.39 | 49.53 | 41.77 | 67.21 | |||||||||
1994 | 46.32 | 45.96 | 62.43 | a | 68.23 | 80.79 | b | 94.17 | 98.06 | 97.29 | 85.57 | 69.61 | 49.93 | 43.06 | 70.12 | |||||||||||
1995 | 43.10 | b | 57.54 | 59.94 | 65.41 | c | 70.29 | 83.66 | a | 93.26 | 94.10 | 83.77 | 70.47 | a | 61.18 | b | 49.29 | 69.33 | ||||||||
1996 | 46.55 | 53.72 | 59.90 | a | 68.90 | 82.74 | d | 91.52 | a | 97.68 | 95.45 | 79.77 | 68.69 | b | 54.50 | b | 45.32 | 70.39 | ||||||||
1997 | 42.65 | 47.37 | a | 63.74 | 61.97 | 79.07 | a | 89.50 | 93.61 | 89.90 | 80.60 | 68.61 | 53.48 | a | 40.77 | 67.61 | ||||||||||
1998 | 48.55 | 48.89 | 57.43 | a | 63.17 | a | 77.06 | 85.33 | 95.97 | 93.33 | a | 84.00 | 66.58 | 54.50 | 42.55 | 68.11 | ||||||||||
1999 | 48.35 | 53.29 | 64.87 | 61.50 | 74.74 | 87.33 | 91.84 | 87.87 | a | 81.45 | a | 74.03 | 61.17 | 43.71 | 69.18 | |||||||||||
2000 | 47.13 | 52.04 | a | 55.90 | 72.60 | 83.48 | 90.33 | 96.81 | 95.26 | 85.37 | 69.97 | 46.03 | 46.35 | 70.11 | ||||||||||||
2001 | 42.19 | 50.00 | 59.23 | 68.23 | 81.27 | a | 90.73 | d | 93.48 | 91.68 | 88.13 | 74.17 | b | 58.43 | 42.32 | 69.99 | ||||||||||
2002 | 42.90 | a | 47.11 | a | 58.37 | a | 74.00 | 80.45 | b | 94.43 | 98.40 | a | 93.35 | 81.07 | 67.03 | 52.79 | a | 46.10 | 69.67 | |||||||
2003 | 49.52 | 48.79 | 57.19 | 66.86 | a | 79.60 | a | 88.77 | 101.13 | a | 94.61 | 85.45 | a | 77.97 | 52.89 | b | 45.00 | f | 72.98 | a | ||||||
2004 | 38.27 | a | 46.03 | 67.97 | 66.87 | 79.93 | a | 90.93 | 95.60 | a | 92.48 | 83.73 | 69.06 | 53.27 | 44.10 | 69.02 | ||||||||||
2005 | 49.90 | 50.81 | a | 59.23 | a | 67.53 | 79.74 | 85.53 | 99.43 | a | 88.77 | a | 82.17 | 70.10 | 56.67 | 44.71 | 69.55 | |||||||||
2006 | 46.74 | 50.04 | b | 53.66 | b | 69.13 | 81.97 | b | 92.23 | 96.26 | 89.67 | a | 77.41 | a | 63.68 | 56.47 | 41.32 | 68.21 | ||||||||
2007 | 39.69 | b | 52.31 | b | 60.66 | b | 68.20 | 79.07 | b | 91.31 | a | 98.83 | a | 93.26 | 85.14 | b | 69.16 | 59.90 | a | 39.65 | 69.76 | |||||
2008 | 39.50 | a | 46.27 | c | 58.19 | 66.17 | 74.34 | b | 88.76 | a | 96.77 | 93.39 | 83.93 | 72.00 | 58.23 | 43.35 | 68.41 | |||||||||
2009 | 44.68 | 52.07 | a | 60.13 | 67.73 | 83.70 | a | 84.73 | 97.74 | 93.52 | 84.59 | a | 62.94 | n | 57.90 | 36.94 | 69.43 | a | ||||||||
2010 | 38.19 | 41.89 | 55.90 | a | 67.03 | 73.35 | 89.07 | 95.35 | 89.52 | b | 86.83 | 71.19 | 54.59 | a | 48.77 | 67.64 | ||||||||||
2011 | 39.00 | 45.36 | 58.84 | 64.30 | 71.35 | 88.00 | 91.26 | 95.48 | 84.30 | 70.60 | a | 54.96 | b | 40.48 | 67.00 | |||||||||||
2012 | 46.42 | 46.66 | 61.60 | a | 72.31 | d | 82.38 | b | 94.50 | 93.23 | 92.80 | a | 85.69 | a | 72.61 | 60.78 | g | 45.71 | g | 74.82 | b | |||||
2013 | 33.45 | b | 45.11 | 60.23 | 66.26 | c | 77.42 | 92.83 | 96.94 | 89.65 | 82.00 | 66.06 | 51.40 | 33.57 | c | 66.24 | ||||||||||
2014 | 44.82 | c | 53.14 | 60.34 | b | 65.73 | 74.94 | 89.63 | 95.93 | a | 87.65 | 85.83 | 72.45 | b | 54.77 | 46.10 | 69.28 | |||||||||
2015 | 43.35 | 55.50 | 63.94 | 66.73 | 72.94 | 91.33 | 89.81 | 90.58 | 86.83 | 71.87 | 53.10 | 40.74 | 68.89 | |||||||||||||
2016 | 39.62 | b | 48.07 | a | 62.54 | c | 66.73 | 74.81 | 95.17 | 95.53 | a | 88.84 | 83.30 | 73.79 | b | 59.32 | b | 43.43 | a | 69.26 | ||||||
2017 | 41.74 | 55.36 | 66.29 | 67.03 | 76.73 | a | 94.14 | a | 95.81 | 92.55 | 84.62 | d | 70.94 | 61.90 | 46.96 | f | 73.37 | a | ||||||||
2018 | 45.34 | b | 51.50 | b | 58.68 | 72.21 | b | 82.23 | 93.53 | 98.67 | a | 94.45 | 88.38 | a | 62.87 | a | 52.83 | 41.07 | a | 70.15 | ||||||
2019 | 38.08 | g | 44.54 | 56.83 | b | 68.33 | c | 71.90 | a | 86.37 | 95.52 | 95.16 | 86.93 | 67.70 | d | 56.43 | 41.52 | 70.11 | a | |||||||
2020 | 36.33 | a | 48.26 | b | 60.08 | f | 68.20 | 83.35 | 89.74 | c | 95.35 | 99.07 | a | 86.54 | b | 73.65 | 57.93 | 41.10 | 70.87 | a | ||||||
2021 | 42.23 | 49.36 | c | 57.27 | a | 69.33 | 80.07 | a | 94.76 | a | 96.97 | 92.45 | 86.23 | 64.33 | a | 59.96 | d | 46.48 | 69.95 | |||||||
2022 | 43.10 | 48.30 | a | 59.30 | a | 67.14 | a | 79.52 | 90.60 | 95.90 | 90.52 | 86.97 | a | 69.13 | a | 49.21 | a | 42.94 | 68.55 | |||||||
2023 | 41.81 | 40.93 | 50.07 | a | 65.57 | 79.26 | 85.20 | e | 98.13 | 92.00 | a | 84.82 | b | 74.04 | h | 55.30 | g | 44.33 | d | 68.21 | b | |||||
2024 | 44.41 | d | 51.89 | j | 58.90 | b | 65.75 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.65 | j |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.33 | 48.84 | 59.03 | 67.49 | 78.20 | 89.64 | 95.45 | 92.44 | 83.96 | 69.83 | 54.67 | 42.36 | 68.69 | |||||||||||||
S.D. | 5.03 | 4.14 | 3.85 | 3.34 | 3.54 | 3.16 | 2.35 | 2.48 | 2.57 | 3.77 | 3.71 | 3.87 | 1.03 | |||||||||||||
SKEW | -0.49 | -0.20 | 0.13 | -0.06 | -0.19 | -0.07 | -0.18 | -0.15 | -0.41 | -0.04 | -0.27 | -0.17 | -0.25 | |||||||||||||
MAX | 49.90 | 57.54 | 67.97 | 74.13 | 84.22 | 95.17 | 101.13 | 99.07 | 90.53 | 77.97 | 61.90 | 51.61 | 70.39 | |||||||||||||
MIN | 26.97 | 40.00 | 50.07 | 60.39 | 70.29 | 83.66 | 89.81 | 85.81 | 77.41 | 62.39 | 45.72 | 33.42 | 66.24 | |||||||||||||
YRS | 56 | 57 | 57 | 58 | 57 | 56 | 58 | 58 | 59 | 56 | 57 | 55 | 43 |