YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.00 | w | 64.77 | 48.50 | 35.39 | 49.55 | i | |||
1964 | 31.94 | 31.41 | 37.03 | 47.43 | 62.29 | 70.17 | 78.71 | 72.06 | 68.17 | 59.61 | 42.90 | a | 32.74 | 52.87 | ||||||||||||
1965 | 35.42 | 36.57 | 36.03 | 50.41 | a | 58.39 | 67.00 | 74.32 | 70.71 | 60.87 | 61.87 | 46.79 | a | 38.73 | a | 53.09 | ||||||||||
1966 | 32.55 | 34.32 | 47.84 | 52.48 | a | 64.68 | 70.17 | 78.10 | 73.84 | 67.67 | 56.45 | 45.00 | 33.63 | a | 54.73 | |||||||||||
1967 | 35.65 | 36.29 | 48.16 | 54.30 | 58.74 | 66.27 | 74.71 | 69.32 | 65.20 | 58.61 | 44.03 | 29.58 | 53.40 | |||||||||||||
1968 | 37.13 | 39.55 | 44.97 | 47.80 | 58.87 | 74.43 | 74.65 | 70.55 | 65.57 | 59.16 | 39.23 | 31.55 | 53.62 | |||||||||||||
1969 | 37.19 | 38.64 | 38.45 | 55.70 | 64.55 | 64.83 | 77.23 | 75.61 | 66.60 | 46.68 | 40.43 | 34.35 | 53.36 | |||||||||||||
1970 | 32.32 | 40.96 | 38.13 | 45.27 | 64.84 | 70.37 | 75.87 | 75.23 | 65.13 | 49.97 | 42.27 | 34.77 | 52.93 | |||||||||||||
1971 | 34.13 | 34.50 | 43.03 | 51.27 | 60.74 | 74.21 | a | 74.45 | 73.16 | 64.67 | 55.97 | 41.50 | 32.65 | 53.36 | ||||||||||||
1972 | 33.65 | 38.66 | 47.71 | 53.73 | 61.90 | 72.37 | 75.94 | 72.32 | 66.59 | a | 55.67 | a | 34.60 | 31.35 | 53.71 | |||||||||||
1973 | 32.39 | 38.96 | 40.83 | a | 46.53 | 59.48 | 71.43 | 72.61 | 74.67 | a | 65.47 | 59.61 | 44.07 | 35.10 | 53.43 | |||||||||||
1974 | 32.81 | 39.21 | 48.10 | 50.67 | 67.29 | 73.83 | 76.00 | 72.81 | 65.40 | 56.65 | 41.60 | 29.52 | 54.49 | |||||||||||||
1975 | 32.71 | 34.75 | 42.94 | 48.70 | 58.23 | 69.82 | b | 74.74 | 75.10 | 66.27 | 60.45 | 39.90 | 36.48 | 53.34 | ||||||||||||
1976 | 34.42 | 42.24 | 42.32 | 53.28 | a | 61.06 | 72.60 | 76.48 | 72.17 | a | 64.77 | 54.13 | 41.37 | 34.97 | 54.15 | |||||||||||
1977 | 31.35 | 38.07 | 40.90 | 51.23 | 62.94 | 74.83 | 75.71 | 73.90 | 68.90 | 58.19 | 42.33 | 34.03 | 54.37 | |||||||||||||
1978 | 32.52 | 36.32 | 45.65 | 54.27 | 56.90 | 70.73 | 79.39 | 73.48 | 68.20 | 57.81 | 41.37 | 28.26 | 53.74 | |||||||||||||
1979 | 25.61 | 36.50 | 43.13 | 51.40 | 57.45 | 69.40 | 77.16 | 71.16 | 69.43 | 58.94 | 33.23 | 35.68 | 52.42 | |||||||||||||
1980 | 33.58 | 39.41 | 40.00 | 46.07 | 55.71 | 74.70 | 79.03 | 74.39 | 67.57 | 55.03 | 41.67 | 42.39 | 54.13 | |||||||||||||
1981 | 37.81 | 39.57 | 42.17 | a | 58.23 | 58.29 | 74.67 | 74.94 | 71.19 | 66.77 | 53.81 | 45.10 | 33.71 | 54.69 | ||||||||||||
1982 | 31.48 | 36.96 | b | 42.26 | 49.87 | 57.32 | 66.66 | a | 74.84 | 73.06 | 62.86 | a | 51.77 | 40.13 | 33.29 | 51.71 | ||||||||||
1983 | 36.94 | 37.57 | 39.94 | 42.37 | 54.97 | 66.67 | 76.19 | 73.48 | 68.63 | 57.29 | 39.73 | 30.03 | 51.98 | |||||||||||||
1984 | 31.10 | 37.17 | 39.52 | 45.43 | 63.90 | 68.97 | 75.90 | 71.00 | a | 64.10 | ----- | z | 41.30 | 33.23 | 51.97 | a | ||||||||||
1985 | 30.13 | 32.79 | 41.90 | 51.93 | 61.45 | 71.17 | 62.74 | 75.58 | 62.20 | 53.48 | 37.03 | 33.26 | 51.14 | |||||||||||||
1986 | 39.81 | 36.68 | 48.97 | 52.03 | 60.84 | 71.87 | 73.29 | 73.65 | 63.37 | 50.87 | 38.43 | b | 31.03 | 53.40 | ||||||||||||
1987 | 30.74 | 36.21 | 40.23 | 52.63 | 60.29 | 71.27 | 75.81 | 71.16 | ----- | z | 58.71 | 40.13 | 29.03 | 51.47 | a | |||||||||||
1988 | 29.32 | 38.89 | b | 40.10 | b | 51.50 | 61.23 | 71.63 | 73.68 | 72.52 | 64.87 | 59.93 | a | 40.07 | 29.45 | 52.77 | ||||||||||
1989 | 32.32 | 32.79 | 47.77 | 52.80 | 61.55 | 64.97 | 75.58 | 70.77 | a | 66.40 | 55.32 | 43.00 | 31.50 | a | 52.90 | |||||||||||
1990 | 33.58 | 36.79 | 43.19 | 51.83 | 59.35 | 75.57 | 71.58 | 70.74 | 67.97 | 55.32 | 42.87 | 28.90 | 53.14 | |||||||||||||
1991 | 31.06 | 41.07 | 41.71 | 49.43 | 62.10 | 70.10 | 72.61 | 70.58 | 65.50 | 57.03 | 36.70 | 33.87 | 52.65 | |||||||||||||
1992 | 34.30 | a | 37.45 | 44.13 | 56.73 | 63.35 | 67.77 | 73.23 | 71.42 | 67.97 | 59.71 | 34.24 | a | 32.26 | 53.55 | |||||||||||
1993 | 35.10 | 34.50 | 44.74 | 49.70 | 61.13 | a | 69.27 | 76.03 | 70.74 | 65.38 | a | 52.77 | 37.62 | a | 33.90 | 52.57 | ||||||||||
1994 | 33.20 | a | 35.89 | 48.22 | d | 51.59 | a | 64.55 | 77.50 | 77.23 | 76.13 | 66.83 | 52.87 | 39.31 | a | 35.39 | 54.89 | |||||||||
1995 | 34.06 | 42.32 | 43.58 | 47.53 | 54.68 | 66.90 | 74.23 | 76.19 | 63.80 | 53.81 | 45.30 | 33.55 | 53.00 | |||||||||||||
1996 | 33.87 | 39.75 | a | 43.48 | 51.83 | 66.58 | 73.43 | 77.10 | 74.68 | 62.50 | 54.84 | 43.93 | 35.10 | 54.76 | ||||||||||||
1997 | 35.23 | 36.82 | 49.65 | 44.50 | 61.19 | 70.90 | 76.52 | 71.48 | 69.07 | 55.50 | a | 39.03 | 34.33 | a | 53.68 | |||||||||||
1998 | 36.52 | 36.86 | 41.60 | a | 46.73 | 63.87 | 69.93 | 76.45 | 73.60 | a | 72.63 | 55.23 | 45.13 | 37.06 | 54.63 | |||||||||||
1999 | 37.94 | 41.32 | 49.13 | ----- | z | 56.90 | 69.87 | 76.45 | 72.55 | 64.97 | 60.70 | a | 54.03 | 36.45 | 56.39 | a | ||||||||||
2000 | 36.94 | 41.34 | 44.30 | a | 55.67 | 64.77 | 73.00 | 79.45 | 77.13 | a | 68.80 | 56.45 | 36.03 | 36.97 | 55.90 | |||||||||||
2001 | 34.90 | 38.39 | 43.13 | 53.86 | a | 62.59 | b | 75.00 | 78.48 | b | 72.77 | 68.22 | c | 57.77 | 46.27 | 36.10 | 55.62 | |||||||||
2002 | 35.23 | 37.71 | 40.94 | 56.52 | a | 62.06 | 77.77 | d | 80.13 | 76.42 | 64.10 | 52.58 | 41.60 | 36.06 | 55.09 | |||||||||||
2003 | 40.42 | 34.25 | 41.74 | 52.23 | 62.26 | 68.53 | 82.06 | 76.19 | 64.90 | 60.55 | 40.23 | 37.84 | 55.10 | |||||||||||||
2004 | 35.68 | 33.66 | 50.23 | 49.60 | 63.55 | 68.90 | 72.81 | 70.68 | 65.90 | 54.29 | 40.50 | 36.61 | 53.53 | |||||||||||||
2005 | 39.32 | 38.43 | 40.97 | 50.97 | 63.58 | 69.40 | 80.10 | 71.65 | 70.33 | 58.32 | 45.00 | 33.19 | 55.10 | |||||||||||||
2006 | 36.74 | 36.89 | 42.32 | 54.63 | 62.97 | 74.53 | 75.19 | 70.48 | 60.93 | 51.13 | 45.57 | 34.81 | 53.85 | |||||||||||||
2007 | 32.03 | 37.54 | 47.77 | 48.07 | 59.48 | 71.90 | 76.13 | 74.23 | 67.77 | 57.97 | 47.17 | 30.29 | 54.19 | |||||||||||||
2008 | 29.74 | 34.21 | 42.23 | 48.17 | 56.32 | 70.67 | 76.55 | 72.00 | 65.67 | 56.55 | 46.03 | a | 33.45 | 52.63 | ||||||||||||
2009 | 36.71 | 38.75 | 45.13 | 47.23 | 61.45 | 65.80 | 74.61 | 72.71 | 63.90 | 48.97 | a | 46.13 | 27.90 | 52.44 | ||||||||||||
2010 | 34.74 | 32.11 | 42.42 | 50.90 | 56.52 | 71.93 | 76.84 | 73.61 | 71.97 | 56.97 | 41.53 | 40.19 | 54.14 | |||||||||||||
2011 | 32.03 | 31.75 | 44.74 | 48.48 | c | 53.77 | 72.60 | 76.55 | 76.71 | 65.13 | 53.80 | a | 41.47 | 32.06 | 52.43 | |||||||||||
2012 | 37.42 | 33.55 | 50.48 | 55.00 | d | 61.77 | 76.10 | 75.94 | 73.61 | 66.71 | b | 54.65 | 48.80 | 33.45 | 55.62 | |||||||||||
2013 | 32.16 | 32.93 | a | 41.42 | 44.13 | 57.39 | 73.73 | 73.97 | 73.16 | 66.10 | 52.00 | 42.60 | 31.55 | 51.76 | ||||||||||||
2014 | 34.39 | 35.00 | 44.06 | 48.48 | a | 56.97 | 70.93 | 74.58 | 69.52 | 67.80 | 57.32 | 40.70 | 35.13 | 52.91 | ||||||||||||
2015 | 37.90 | 38.29 | 47.45 | 50.40 | 54.48 | 72.37 | 71.39 | 73.87 | 70.40 | 59.26 | 41.47 | 32.48 | 54.15 | |||||||||||||
2016 | 33.20 | a | 39.52 | 42.06 | 48.90 | a | 56.19 | 75.33 | 77.37 | a | 70.55 | 67.97 | 59.68 | 46.37 | 32.37 | a | 54.12 | |||||||||
2017 | 30.97 | 40.81 | a | 48.23 | a | 49.53 | 57.37 | a | 72.70 | 73.87 | a | 70.00 | 65.17 | 54.53 | a | 49.60 | 37.24 | b | 54.17 | |||||||
2018 | 37.20 | a | 35.41 | a | 43.65 | 49.80 | 62.93 | a | 75.07 | a | 76.16 | 73.47 | a | 70.70 | c | 50.65 | 36.31 | a | 33.81 | 53.76 | ||||||
2019 | 32.74 | 33.00 | b | 39.81 | 49.70 | 50.84 | 65.93 | 75.94 | 74.55 | 70.93 | 47.87 | a | 43.93 | 32.65 | 51.49 | |||||||||||
2020 | 34.23 | 30.69 | 43.39 | 48.03 | 63.19 | 70.07 | 75.76 | b | 77.16 | 66.13 | 57.42 | 43.23 | 31.94 | 53.44 | ||||||||||||
2021 | 33.10 | 32.32 | 39.19 | 46.70 | 58.65 | 71.47 | 74.55 | 72.87 | 70.67 | 54.00 | 48.00 | 39.68 | 53.43 | |||||||||||||
2022 | 35.06 | 33.64 | 40.87 | 49.40 | 58.97 | 70.60 | 75.13 | 71.97 | 69.17 | 54.13 | 38.23 | 32.94 | 52.51 | |||||||||||||
2023 | 31.32 | 33.50 | 36.84 | 46.77 | 59.29 | 65.67 | 77.13 | a | 73.19 | 67.63 | 56.26 | 42.11 | b | 37.00 | 52.23 | |||||||||||
2024 | 31.48 | 37.86 | 41.00 | b | 49.00 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.78 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.02 | 36.71 | 43.31 | 50.35 | 60.25 | 71.10 | 75.67 | 72.99 | 66.60 | 55.86 | 42.18 | 33.81 | 53.55 | |||||||||||||
S.D. | 2.79 | 2.91 | 3.52 | 3.37 | 3.41 | 3.17 | 2.69 | 2.01 | 2.58 | 3.54 | 3.96 | 2.96 | 1.07 | |||||||||||||
SKEW | -0.04 | -0.09 | 0.26 | 0.06 | -0.32 | -0.09 | -1.55 | 0.28 | 0.08 | -0.28 | 0.20 | 0.32 | 0.05 | |||||||||||||
MAX | 40.42 | 42.32 | 50.48 | 58.23 | 67.29 | 77.77 | 82.06 | 77.16 | 72.63 | 64.77 | 54.03 | 42.39 | 55.90 | |||||||||||||
MIN | 25.61 | 30.69 | 36.03 | 42.37 | 50.84 | 64.83 | 62.74 | 69.32 | 60.87 | 46.68 | 33.23 | 27.90 | 51.14 | |||||||||||||
YRS | 61 | 61 | 61 | 59 | 60 | 60 | 60 | 60 | 59 | 60 | 61 | 61 | 57 |