YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.18 | b | 52.97 | 34.69 | a | 35.84 | 49.17 | h | ||
1960 | 28.74 | 31.17 | 34.45 | 57.37 | 67.61 | 77.60 | 83.42 | 82.29 | 73.73 | 60.19 | 47.47 | 28.77 | a | 56.07 | ||||||||||||
1961 | 27.23 | 37.86 | 43.81 | 53.20 | 68.77 | 81.13 | 82.00 | 82.42 | 73.07 | 62.48 | 43.30 | 28.35 | 56.97 | |||||||||||||
1962 | 22.81 | 26.29 | 38.23 | 56.07 | 72.74 | 77.17 | 80.29 | 82.84 | 68.50 | 61.68 | 43.73 | 29.45 | 54.98 | |||||||||||||
1963 | 16.19 | 24.00 | 43.23 | 62.40 | 68.81 | 83.37 | 86.65 | 80.29 | 73.47 | 71.81 | 49.23 | 25.68 | 57.09 | |||||||||||||
1964 | 32.58 | 34.72 | 39.84 | 58.23 | 74.94 | 80.17 | 86.06 | 76.90 | 69.20 | 60.52 | 48.83 | 26.97 | 57.41 | |||||||||||||
1965 | 25.65 | 29.39 | 34.10 | 51.47 | 73.23 | 77.37 | 81.00 | 78.81 | 67.03 | 62.29 | 43.40 | 35.13 | 54.90 | |||||||||||||
1966 | 23.39 | 30.96 | 44.87 | 52.70 | 64.32 | 81.17 | 86.90 | 79.29 | 72.20 | 60.83 | a | 41.03 | 30.45 | 55.68 | ||||||||||||
1967 | 29.87 | 25.04 | 40.65 | 56.83 | 65.06 | 78.23 | 81.16 | 79.00 | 72.63 | 57.48 | 38.60 | 30.84 | 54.62 | |||||||||||||
1968 | 26.06 | 29.76 | 50.97 | 59.57 | 66.61 | 77.53 | 83.10 | 81.16 | 72.80 | 62.94 | 42.50 | 28.65 | 56.80 | |||||||||||||
1969 | 24.65 | 32.04 | 37.68 | 59.27 | 71.77 | 70.50 | 82.19 | 86.29 | 71.73 | 56.19 | 42.50 | 30.90 | 55.48 | |||||||||||||
1970 | 21.65 | 30.93 | 38.06 | 57.97 | 69.16 | 82.10 | 86.97 | 84.06 | 72.70 | 61.06 | 40.57 | 29.35 | 56.22 | |||||||||||||
1971 | 21.13 | 28.14 | 36.29 | 57.73 | 69.00 | 82.37 | 80.19 | 79.39 | 73.63 | 65.10 | 42.73 | 31.29 | 55.58 | |||||||||||||
1972 | 23.26 | 26.17 | 35.39 | 50.30 | 74.68 | 78.43 | 81.39 | 79.29 | 70.23 | 56.06 | 39.60 | 24.84 | 53.30 | |||||||||||||
1973 | 30.23 | 31.25 | 48.45 | 53.67 | 63.26 | 79.97 | 84.74 | 82.45 | 72.27 | 66.61 | 41.83 | 27.68 | 56.87 | |||||||||||||
1974 | 26.23 | 29.43 | 39.74 | 59.87 | 65.68 | 75.90 | 85.45 | 80.39 | 68.47 | 59.55 | 44.23 | 33.90 | 55.74 | |||||||||||||
1975 | 28.19 | 29.61 | 36.42 | 50.00 | 75.10 | 77.80 | 85.32 | 80.50 | a | 67.97 | 64.55 | 49.40 | 30.00 | 56.24 | ||||||||||||
1976 | 24.71 | 36.41 | 40.65 | 61.00 | 68.29 | 83.93 | 87.19 | 83.13 | 74.17 | 55.97 | 36.63 | 21.65 | 56.14 | |||||||||||||
1977 | 17.52 | 32.61 | 46.90 | 63.20 | 79.42 | 77.17 | 84.58 | 76.52 | 68.93 | 59.84 | 41.90 | 27.58 | 56.35 | |||||||||||||
1978 | 23.35 | 25.86 | 40.06 | 52.13 | 71.19 | 77.83 | a | 77.94 | 80.19 | 72.63 | 58.06 | 42.70 | 26.58 | 54.04 | ||||||||||||
1979 | 17.61 | 22.29 | 38.48 | 51.03 | 65.16 | 76.20 | 82.00 | 76.67 | a | 72.86 | a | 55.53 | a | 39.97 | 36.00 | 52.82 | ||||||||||
1980 | 25.90 | a | 27.59 | 38.40 | a | 59.47 | 73.29 | 76.59 | a | 83.71 | 78.40 | a | 69.57 | 53.65 | 42.80 | 27.61 | 54.75 | |||||||||
1981 | 27.26 | 32.00 | 46.13 | 58.33 | 68.68 | 78.40 | 82.26 | 81.42 | 69.70 | 54.10 | a | 46.63 | 29.84 | 56.23 | ||||||||||||
1982 | 18.26 | 28.21 | 37.81 | 52.79 | a | 73.97 | 73.27 | 82.53 | a | 78.48 | b | 68.17 | 60.77 | a | 40.69 | a | 33.97 | 54.08 | ||||||||
1983 | 28.87 | 36.04 | b | 39.72 | b | 52.17 | 62.23 | 78.40 | 86.57 | a | 84.34 | b | 71.72 | a | 58.66 | b | 43.10 | 18.87 | 55.06 | |||||||
1984 | 23.30 | a | 36.34 | 35.58 | 57.04 | b | 66.84 | 78.97 | 81.52 | 81.37 | a | 69.03 | a | 59.48 | b | 43.30 | 31.07 | a | 55.32 | |||||||
1985 | 23.50 | a | 27.81 | a | 44.41 | b | 59.77 | 74.29 | c | 75.77 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.93 | f | |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.30 | 80.87 | 75.42 | 67.80 | 56.35 | 38.53 | 30.00 | 60.75 | e | |||||||
1987 | 28.55 | 35.75 | 45.71 | 61.67 | 71.16 | 81.13 | 83.94 | 77.84 | 72.57 | 52.16 | 44.27 | 32.03 | 57.23 | |||||||||||||
1988 | 20.71 | 23.90 | 39.55 | 56.43 | 75.35 | 83.57 | 84.58 | 81.45 | 70.50 | 52.19 | 41.57 | 28.68 | 54.87 | |||||||||||||
1989 | 29.42 | 23.07 | 34.00 | 52.30 | 67.26 | 73.30 | 83.00 | 79.26 | 71.13 | 60.19 | 37.13 | 18.00 | 52.34 | |||||||||||||
1990 | 33.97 | 30.79 | 42.55 | 59.33 | 63.55 | 75.33 | 78.03 | 76.58 | 70.40 | 55.87 | 46.28 | a | 27.90 | 55.05 | ||||||||||||
1991 | 21.16 | 31.86 | 40.65 | 57.97 | 69.61 | 79.57 | 77.45 | 80.19 | 66.13 | 55.58 | 36.07 | 29.68 | 53.83 | |||||||||||||
1992 | 26.94 | 32.14 | 37.52 | 48.37 | 69.52 | 73.17 | 73.48 | 75.42 | 66.13 | 56.42 | 36.63 | 29.13 | 52.07 | |||||||||||||
1993 | 24.97 | 27.43 | 39.68 | 49.10 | 65.84 | 71.57 | 77.74 | 78.23 | 63.80 | 54.52 | 38.53 | 28.45 | 51.65 | |||||||||||||
1994 | 14.32 | 22.00 | 40.61 | 55.70 | 70.00 | 78.77 | 77.33 | a | 74.23 | 71.50 | 59.74 | 45.43 | 34.16 | 53.65 | ||||||||||||
1995 | 26.39 | 27.96 | 42.68 | 48.23 | 66.32 | 82.07 | 80.97 | 80.45 | 68.50 | 57.61 | 32.80 | 24.97 | 53.25 | |||||||||||||
1996 | 23.23 | 26.00 | 32.39 | 48.90 | 62.84 | 72.97 | 76.90 | 79.10 | 69.97 | 57.19 | 35.80 | 26.32 | 50.97 | |||||||||||||
1997 | 21.58 | 30.68 | 37.00 | 53.77 | 59.61 | 78.37 | 78.58 | 73.48 | 70.60 | 58.32 | 38.50 | 33.55 | 52.84 | |||||||||||||
1998 | 26.84 | 36.79 | 32.71 | n | 59.73 | 73.26 | 74.53 | 81.77 | 80.61 | 77.20 | 59.32 | 45.37 | 36.19 | 59.24 | a | |||||||||||
1999 | 21.77 | 33.61 | 43.58 | 58.97 | 70.52 | 78.27 | 84.03 | 78.45 | 72.10 | 57.35 | 51.70 | 29.71 | 56.67 | |||||||||||||
2000 | 25.23 | 34.34 | 49.97 | 55.07 | 69.29 | 74.67 | 78.65 | 78.45 | 69.47 | 63.23 | 41.07 | 21.32 | 55.06 | |||||||||||||
2001 | 30.13 | 27.93 | 39.81 | 58.87 | 70.81 | 75.93 | 82.74 | 82.48 | 68.53 | 57.45 | 51.53 | 35.42 | 56.80 | |||||||||||||
2002 | 33.10 | 36.61 | 34.61 | 53.37 | 61.42 | 77.00 | 85.00 | 78.52 | 73.27 | 52.52 | 40.97 | 31.90 | 54.86 | |||||||||||||
2003 | 22.77 | 24.43 | 40.42 | 53.93 | 66.00 | 75.50 | 80.74 | 81.61 | 70.43 | 58.55 | 40.70 | 33.58 | 54.06 | |||||||||||||
2004 | 19.55 | 31.31 | 41.61 | 56.57 | 63.94 | 73.37 | 78.00 | 75.77 | 77.17 | 58.52 | 45.33 | 28.94 | 54.17 | |||||||||||||
2005 | 22.45 | 34.43 | 39.00 | 60.87 | 64.48 | 82.33 | 85.06 | 83.00 | 76.70 | 61.39 | 43.47 | 26.65 | 56.65 | |||||||||||||
2006 | 33.77 | 27.96 | 42.35 | 63.27 | 68.61 | 78.70 | 86.39 | 79.58 | 68.53 | 53.35 | 44.73 | 33.81 | 56.76 | |||||||||||||
2007 | 29.65 | 22.32 | 44.52 | 54.97 | 72.97 | 80.57 | 82.06 | 80.52 | 74.30 | 63.65 | 41.93 | 26.90 | a | 56.20 | ||||||||||||
2008 | 24.84 | 24.86 | 36.94 | 53.57 | 66.06 | 75.67 | 82.23 | 81.42 | 72.33 | 57.52 | 41.73 | 22.90 | 53.34 | |||||||||||||
2009 | 18.29 | 31.14 | 40.26 | 54.30 | 66.39 | 72.83 | 73.10 | 73.26 | 72.23 | 49.16 | 48.90 | 26.29 | 52.18 | |||||||||||||
2010 | 25.00 | 31.32 | 49.26 | 62.33 | 69.23 | 72.03 | 79.26 | 79.48 | 65.63 | 60.97 | 43.50 | 27.10 | 55.43 | |||||||||||||
2011 | 21.68 | 28.36 | 38.03 | 50.13 | 64.23 | 72.77 | 80.74 | 76.81 | 65.87 | 60.84 | 43.87 | 33.16 | 53.04 | |||||||||||||
2012 | 29.16 | 35.55 | 54.52 | 56.27 | 71.00 | 77.17 | 82.71 | 77.03 | 69.20 | 55.58 | 43.28 | a | 33.35 | 57.07 | ||||||||||||
2013 | 27.29 | 27.29 | 35.35 | 46.27 | 68.29 | 73.07 | 77.32 | 76.94 | 70.37 | 56.58 | 39.77 | 21.48 | 51.67 | |||||||||||||
2014 | 16.71 | 19.36 | 31.71 | 48.07 | 65.52 | 75.10 | 74.97 | 75.19 | 67.97 | 54.32 | 32.60 | 30.13 | 49.30 | |||||||||||||
2015 | 21.90 | 17.54 | 41.00 | 55.37 | 68.94 | 71.87 | 77.68 | 74.97 | 73.33 | 57.74 | 47.40 | 37.71 | 53.79 | |||||||||||||
2016 | 25.13 | 30.48 | 44.26 | 49.90 | 67.84 | 74.50 | 77.65 | 77.39 | 70.93 | 59.26 | 51.40 | 27.39 | 54.68 | |||||||||||||
2017 | 27.53 | a | 36.11 | 37.19 | 56.67 | 63.13 | 74.67 | 78.39 | 72.97 | 72.00 | 60.39 | 39.30 | 24.84 | 53.60 | ||||||||||||
2018 | 25.74 | 27.32 | 39.77 | 44.53 | 74.68 | 74.70 | 79.00 | 76.97 | 70.53 | 51.10 | 34.63 | 32.48 | 52.62 | |||||||||||||
2019 | 21.71 | 23.29 | 36.90 | 51.10 | 60.32 | 72.70 | 80.03 | 74.48 | 68.70 | 54.10 | 35.63 | 29.90 | 50.74 | |||||||||||||
2020 | 29.61 | 30.48 | 41.19 | 48.83 | 63.71 | 75.97 | 80.45 | 78.00 | 66.00 | 49.61 | 48.90 | 32.55 | 53.78 | |||||||||||||
2021 | 28.16 | 23.75 | 46.16 | 54.73 | 64.42 | 78.93 | 78.26 | 78.65 | 71.00 | 62.90 | 43.13 | 31.84 | 55.16 | |||||||||||||
2022 | 20.68 | 26.11 | 37.19 | 47.13 | 66.87 | 75.13 | 78.13 | 75.87 | 69.77 | 58.42 | 45.43 | 26.68 | 52.28 | |||||||||||||
2023 | 29.16 | 31.75 | 37.94 | 52.40 | 67.90 | 76.37 | 78.16 | 75.81 | 71.07 | 56.90 | 44.20 | 38.42 | 55.01 | |||||||||||||
2024 | 27.00 | 40.21 | 45.26 | 53.05 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.49 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 24.91 | 29.50 | 40.50 | 54.96 | 68.33 | 77.00 | 81.28 | 78.92 | 70.68 | 58.21 | 42.40 | 29.45 | 54.61 | |||||||||||||
S.D. | 4.38 | 4.78 | 4.63 | 4.57 | 4.18 | 3.26 | 3.39 | 2.92 | 2.77 | 4.11 | 4.47 | 4.32 | 1.85 | |||||||||||||
SKEW | -0.15 | -0.11 | 0.67 | -0.15 | 0.22 | 0.22 | -0.17 | 0.05 | 0.01 | 0.34 | -0.03 | -0.35 | -0.59 | |||||||||||||
MAX | 33.97 | 40.21 | 54.52 | 63.27 | 79.42 | 83.93 | 87.19 | 86.29 | 77.20 | 71.81 | 51.70 | 38.42 | 57.41 | |||||||||||||
MIN | 14.32 | 17.54 | 31.71 | 44.53 | 59.61 | 70.50 | 73.10 | 72.97 | 63.80 | 49.16 | 32.60 | 18.00 | 49.30 | |||||||||||||
YRS | 64 | 64 | 63 | 63 | 63 | 64 | 63 | 63 | 64 | 64 | 64 | 64 | 61 |