YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.15 | e | 28.15 | k |
1968 | 28.97 | 40.52 | 56.52 | 57.37 | 66.93 | a | 78.53 | 92.35 | 80.06 | 71.45 | a | 59.61 | 40.20 | 30.39 | 58.58 | |||||||||||
1969 | 33.55 | 34.70 | a | 45.93 | a | 64.43 | 75.84 | 75.97 | 87.42 | 91.90 | 76.60 | 53.77 | 44.77 | 34.23 | 59.93 | |||||||||||
1970 | 33.80 | a | 45.96 | 45.97 | 53.23 | 68.37 | a | 79.60 | 87.58 | 91.48 | 67.87 | 55.26 | 42.70 | 29.62 | b | 58.45 | ||||||||||
1971 | 30.29 | 38.32 | 45.45 | 57.41 | a | 68.61 | 74.79 | b | 86.94 | 90.84 | 70.50 | 58.16 | 43.93 | a | 26.77 | 57.67 | ||||||||||
1972 | 29.39 | 35.03 | 53.03 | 57.87 | 70.52 | 79.70 | 85.68 | 87.39 | 72.10 | a | 60.53 | a | 42.45 | a | 26.71 | 58.37 | ||||||||||
1973 | 27.90 | a | 40.59 | a | 50.40 | a | 58.83 | 74.00 | b | 79.60 | 91.74 | 87.97 | a | 74.03 | 63.29 | 43.43 | 36.94 | 60.73 | ||||||||
1974 | 28.26 | 43.32 | 48.40 | a | 62.50 | 66.48 | 87.43 | 90.81 | 84.00 | 80.40 | 63.10 | 47.07 | a | 33.87 | 61.30 | |||||||||||
1975 | 30.23 | 34.71 | 44.13 | a | 52.77 | 66.03 | 74.93 | 89.27 | a | 82.65 | 78.63 | 59.63 | a | 42.33 | 36.10 | a | 57.62 | |||||||||
1976 | 30.19 | 35.66 | 44.00 | 59.60 | 74.45 | 77.00 | 89.90 | 81.19 | 76.70 | 60.27 | a | 46.62 | a | 33.60 | a | 59.10 | ||||||||||
1977 | 23.48 | 41.89 | 49.00 | 68.07 | 66.48 | 82.57 | 85.77 | 84.23 | 73.53 | 61.42 | 40.43 | 33.32 | 59.18 | |||||||||||||
1978 | 33.58 | 39.89 | 54.81 | 60.00 | 64.84 | 80.47 | 86.48 | 85.23 | a | 73.97 | 65.03 | 39.30 | 24.74 | 59.03 | ||||||||||||
1979 | 13.87 | 37.32 | 50.74 | 59.33 | 71.68 | 82.66 | a | 91.81 | 86.42 | 84.60 | 64.13 | 39.23 | 40.20 | a | 60.17 | |||||||||||
1980 | 29.10 | a | 39.14 | 49.94 | 66.50 | 69.20 | a | 76.87 | 88.10 | 85.68 | 75.17 | 62.29 | 44.52 | a | 38.84 | 60.44 | ||||||||||
1981 | 35.55 | b | 43.11 | 54.84 | 61.53 | 66.55 | 75.70 | 90.16 | 92.71 | 78.90 | 58.71 | 45.87 | 33.97 | 61.47 | ||||||||||||
1982 | 29.56 | d | 35.56 | c | 50.47 | a | 56.00 | 69.00 | 77.93 | 86.19 | 89.68 | 73.77 | 57.13 | a | 40.43 | 30.74 | 58.04 | |||||||||
1983 | 37.47 | a | 43.81 | b | 53.24 | b | 58.33 | 71.13 | a | 78.38 | a | 84.68 | 86.00 | 74.33 | 61.58 | 45.23 | 21.90 | a | 59.67 | |||||||
1984 | 24.94 | 32.83 | 46.71 | 57.30 | 68.03 | 73.67 | 87.71 | 87.45 | 72.63 | 56.52 | 42.90 | 25.94 | 56.38 | |||||||||||||
1985 | 26.23 | 30.56 | a | 41.74 | 66.07 | 73.29 | 82.80 | 92.03 | 83.71 | 68.03 | 59.81 | 34.73 | 22.42 | 56.78 | ||||||||||||
1986 | 29.19 | 38.96 | 57.35 | 62.03 | 72.52 | 83.83 | 85.06 | 88.77 | 66.23 | 62.30 | a | 44.13 | 31.74 | 60.18 | ||||||||||||
1987 | 31.61 | 43.93 | 54.39 | 72.77 | 74.03 | 81.57 | 83.32 | 83.90 | 80.93 | 67.45 | 46.33 | 34.74 | 62.92 | |||||||||||||
1988 | 29.94 | 44.59 | 52.59 | b | 66.40 | 72.42 | 86.27 | 92.87 | 88.94 | 76.67 | 70.42 | 40.57 | 26.26 | 62.33 | ||||||||||||
1989 | 32.35 | 27.96 | 50.35 | 66.17 | 69.61 | 80.77 | 92.23 | 83.39 | 77.73 | 61.10 | 46.50 | 32.94 | 60.09 | |||||||||||||
1990 | 38.81 | 43.86 | 55.58 | 67.13 | 67.29 | 78.63 | 88.67 | a | 83.42 | 83.50 | 60.35 | 47.03 | 26.19 | d | 61.71 | |||||||||||
1991 | 25.45 | 44.68 | 51.65 | 57.60 | 66.03 | 75.83 | 91.16 | 91.65 | 78.67 | 62.77 | 36.90 | 28.90 | 59.27 | |||||||||||||
1992 | 30.39 | 41.48 | 60.52 | 67.31 | a | 78.74 | 81.43 | 81.71 | 89.30 | a | 74.90 | 62.61 | 36.27 | 27.45 | 61.01 | |||||||||||
1993 | 24.73 | a | 30.93 | 51.94 | 58.17 | 76.35 | 73.03 | 75.61 | 78.58 | 77.77 | 61.29 | 39.57 | 33.32 | 56.77 | ||||||||||||
1994 | 35.71 | 36.86 | 55.74 | 64.90 | 73.94 | 81.00 | 87.57 | a | 90.39 | 81.27 | 60.32 | 39.13 | 31.71 | 61.54 | ||||||||||||
1995 | 31.19 | 45.93 | a | 50.35 | 58.86 | a | 68.13 | 74.33 | 84.84 | 87.81 | 75.90 | 58.06 | 43.77 | 35.13 | 59.53 | |||||||||||
1996 | 31.26 | 37.31 | 49.48 | 61.00 | 64.65 | 82.30 | 92.06 | 89.23 | 74.28 | a | 63.21 | b | 44.43 | 34.55 | 60.31 | |||||||||||
1997 | 32.84 | 37.93 | 54.83 | a | 58.43 | 74.68 | 77.90 | 86.58 | 86.71 | 79.21 | a | 59.00 | 43.93 | a | 26.33 | a | 59.86 | |||||||||
1998 | 34.37 | a | 38.61 | 48.68 | 59.87 | 69.60 | a | 69.08 | f | 89.75 | c | 87.59 | b | 78.37 | c | 58.54 | g | 46.93 | a | 29.47 | a | 58.32 | b | |||
1999 | 35.18 | c | 39.22 | a | 51.86 | b | 60.46 | d | 68.40 | a | 73.38 | a | 88.23 | 85.97 | 74.62 | a | 64.97 | a | 48.71 | b | 29.68 | c | 60.06 | |||
2000 | 30.40 | a | 39.93 | a | 53.48 | 66.00 | 69.23 | a | 80.97 | a | 89.82 | c | 87.41 | d | 76.20 | e | 57.61 | 29.93 | a | 25.84 | 58.90 | |||||
2001 | 22.34 | b | 28.82 | 49.39 | 56.50 | 73.13 | 79.18 | b | 82.97 | 90.13 | 79.60 | 58.42 | 47.21 | a | 25.19 | 57.74 | ||||||||||
2002 | 29.73 | a | 34.33 | a | 46.93 | a | 58.17 | 67.03 | 76.50 | 88.77 | a | 80.65 | 74.46 | b | 56.03 | b | 39.50 | b | 33.17 | b | 57.11 | |||||
2003 | 33.61 | 35.81 | a | 50.86 | b | 56.29 | b | 68.31 | b | 79.40 | 91.68 | 86.90 | a | 75.14 | b | 64.55 | b | 38.75 | b | 33.59 | d | 59.58 | ||||
2004 | 25.54 | c | 33.17 | e | 56.85 | e | 63.03 | 65.87 | a | 75.43 | 83.63 | a | 81.61 | 69.50 | 58.94 | 41.60 | 34.48 | 57.47 | ||||||||
2005 | 26.62 | e | 38.39 | 52.19 | 59.97 | a | 67.00 | 69.96 | b | 88.10 | 85.23 | 72.77 | 59.68 | 34.77 | 23.25 | g | 59.51 | a | ||||||||
2006 | 33.10 | b | 33.18 | 47.94 | 59.50 | 71.74 | 78.43 | 91.39 | 82.84 | 71.47 | 55.84 | 43.60 | 30.81 | 58.32 | ||||||||||||
2007 | 27.68 | 38.96 | b | 54.55 | 60.23 | 71.20 | a | 79.31 | a | 90.65 | 84.77 | 71.13 | 54.77 | 42.40 | 29.16 | 58.73 | ||||||||||
2008 | 24.19 | d | 35.31 | c | 43.84 | 53.73 | 66.23 | 73.83 | 86.65 | 85.39 | 71.87 | 57.29 | 45.20 | 28.52 | 56.00 | |||||||||||
2009 | 28.29 | 35.54 | 44.52 | 57.43 | 69.10 | 72.53 | 83.87 | 81.32 | 80.17 | 52.52 | 43.63 | 26.13 | 56.25 | |||||||||||||
2010 | 31.13 | 35.93 | 51.65 | 58.47 | 59.90 | 69.50 | 83.71 | 81.55 | b | 71.60 | 59.87 | 40.90 | a | 27.06 | 55.94 | |||||||||||
2011 | 24.06 | 31.07 | 46.39 | 52.47 | 63.90 | 71.27 | 85.45 | 84.77 | 77.67 | 58.35 | 40.70 | 30.48 | 55.55 | |||||||||||||
2012 | 34.77 | 38.52 | 52.26 | 63.10 | 66.35 | 77.13 | 86.84 | 84.10 | 74.70 | 57.65 | 43.90 | 31.77 | 59.26 | |||||||||||||
2013 | 20.94 | 35.89 | 47.77 | 58.17 | 68.45 | 76.73 | 89.42 | 86.16 | 72.83 | 54.23 | 41.10 | 23.81 | 56.29 | |||||||||||||
2014 | 33.23 | 31.18 | 47.42 | 58.30 | 70.13 | 73.30 | 87.42 | 78.45 | 73.60 | 62.19 | 38.03 | 32.32 | 57.13 | |||||||||||||
2015 | 27.68 | 42.93 | 56.65 | 60.40 | 67.16 | 82.73 | 82.58 | 82.87 | 73.47 | 63.32 | 36.33 | 27.83 | a | 58.66 | ||||||||||||
2016 | 25.35 | e | 35.00 | 49.42 | 65.67 | 66.94 | 82.37 | 84.45 | 83.84 | 69.37 | 58.29 | 47.70 | 20.63 | a | 57.42 | |||||||||||
2017 | 13.71 | c | 35.43 | 54.23 | 55.00 | 67.84 | 75.87 | 88.32 | 84.81 | 69.07 | 54.68 | 42.83 | a | 28.29 | 55.84 | |||||||||||
2018 | 34.84 | 37.18 | 47.03 | 59.17 | 70.65 | 73.43 | 89.19 | 82.52 | 74.50 | 56.52 | 38.83 | 30.29 | 57.85 | |||||||||||||
2019 | 29.35 | 31.94 | j | ----- | z | 58.47 | 67.48 | 78.40 | 87.32 | 87.45 | 74.50 | 49.52 | 42.33 | 31.29 | 60.61 | b | ||||||||||
2020 | 31.06 | 29.31 | 45.61 | 59.33 | 69.06 | 74.77 | 85.52 | 89.55 | 76.87 | 61.74 | 41.97 | 31.84 | 58.05 | |||||||||||||
2021 | 30.23 | 33.14 | 46.61 | 60.00 | 67.19 | 88.37 | 93.71 | 84.32 | 77.97 | 62.45 | 47.37 | 37.84 | 60.77 | |||||||||||||
2022 | 23.45 | 33.93 | 52.55 | 51.70 | 63.87 | 74.66 | a | 90.81 | 91.06 | 79.40 | 64.06 | 35.03 | 27.55 | 57.34 | ||||||||||||
2023 | 28.42 | 31.54 | 40.58 | 56.07 | 74.06 | 73.97 | 91.06 | 85.61 | 75.30 | 61.16 | 44.80 | 30.06 | 57.72 | |||||||||||||
2024 | 28.35 | 41.31 | 51.06 | 67.38 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.24 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.25 | 37.34 | 50.36 | 60.10 | 69.28 | 77.94 | 87.81 | 85.85 | 75.11 | 59.89 | 42.12 | 30.26 | 58.80 | |||||||||||||
S.D. | 4.90 | 4.58 | 4.26 | 4.36 | 3.59 | 4.16 | 3.42 | 3.46 | 3.91 | 3.79 | 3.90 | 4.26 | 1.81 | |||||||||||||
SKEW | -0.94 | 0.03 | -0.06 | 0.51 | 0.31 | 0.30 | -0.77 | -0.02 | 0.06 | -0.07 | -0.69 | 0.02 | 0.15 | |||||||||||||
MAX | 38.81 | 45.96 | 60.52 | 72.77 | 78.74 | 88.37 | 93.71 | 92.71 | 84.60 | 70.42 | 48.71 | 40.20 | 62.92 | |||||||||||||
MIN | 13.71 | 27.96 | 40.58 | 51.70 | 59.90 | 69.50 | 75.61 | 78.45 | 66.23 | 49.52 | 29.93 | 20.63 | 55.55 | |||||||||||||
YRS | 57 | 56 | 56 | 56 | 56 | 55 | 56 | 56 | 56 | 55 | 56 | 56 | 53 |