YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.43 | 55.97 | 41.10 | 34.48 | 52.00 | h | ||||
1949 | 19.42 | 27.71 | 41.55 | 62.30 | 64.77 | 72.45 | a | 81.23 | 81.06 | 74.63 | 53.14 | i | 54.23 | 32.00 | 55.58 | a | ||||||||||
1950 | 27.00 | 33.29 | 44.74 | 59.73 | 62.97 | 76.50 | 78.42 | 80.23 | 69.70 | 66.23 | 49.93 | 34.74 | 56.96 | |||||||||||||
1951 | 33.45 | 40.64 | 46.90 | 59.03 | 66.52 | 71.63 | 83.06 | 78.10 | 73.80 | 56.55 | 39.90 | 29.10 | a | 56.56 | ||||||||||||
1952 | 23.84 | 28.59 | 31.73 | a | 58.76 | e | ----- | z | 75.50 | 78.00 | y | ----- | z | 74.80 | 67.80 | a | 41.20 | 32.26 | 48.28 | c | ||||||
1953 | 36.84 | 37.14 | 50.94 | 56.00 | a | 61.23 | 76.32 | h | 84.80 | a | 79.19 | 76.72 | a | 60.35 | 47.73 | 35.65 | 56.96 | a | ||||||||
1954 | 38.16 | 50.21 | 46.84 | 64.17 | 71.26 | 75.33 | 85.00 | 80.71 | 72.53 | 61.84 | 50.20 | 30.87 | 60.59 | |||||||||||||
1955 | 27.87 | 25.93 | 40.52 | 56.67 | 68.58 | 75.07 | 84.84 | 80.87 | 75.93 | 63.87 | 41.63 | 37.97 | 56.65 | |||||||||||||
1956 | 38.45 | 32.41 | 51.10 | 58.53 | 70.23 | 81.03 | 83.06 | 80.68 | 78.50 | 62.68 | 43.96 | b | 30.23 | 59.24 | ||||||||||||
1957 | 26.13 | 36.29 | 49.84 | 55.13 | 63.19 | 76.13 | 82.71 | 79.84 | 73.37 | 59.67 | a | 39.73 | 37.74 | 56.65 | ||||||||||||
1958 | 35.84 | 47.25 | 43.84 | 55.00 | 74.39 | 82.14 | h | 84.26 | 86.17 | a | 76.63 | 65.29 | 48.47 | 43.52 | 60.06 | a | ||||||||||
1959 | 36.97 | 38.86 | 50.23 | 61.33 | 66.90 | 82.20 | 85.45 | 81.42 | 69.33 | 60.32 | 48.79 | a | 35.55 | 59.78 | ||||||||||||
1960 | 26.06 | 28.31 | 49.29 | 62.17 | 69.71 | 81.93 | 86.52 | 84.48 | 76.07 | 60.71 | 46.20 | 34.97 | 58.87 | |||||||||||||
1961 | 37.61 | 44.71 | 49.58 | 59.03 | 70.23 | 83.50 | 85.52 | 83.65 | 66.60 | 58.06 | 40.10 | 29.58 | 59.01 | |||||||||||||
1962 | 28.03 | 35.43 | 39.19 | 64.50 | 68.26 | 77.63 | 83.52 | 82.68 | 74.73 | 63.68 | 50.97 | 37.74 | 58.86 | |||||||||||||
1963 | 28.97 | a | 48.18 | 49.61 | 55.70 | 72.74 | 75.70 | 87.13 | 80.26 | 75.87 | 66.84 | 48.67 | 34.00 | 60.30 | ||||||||||||
1964 | 33.90 | 38.62 | 42.10 | a | 57.93 | 67.74 | 73.53 | 86.48 | 80.48 | 73.63 | 65.55 | ----- | z | ----- | z | 62.00 | b | |||||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.10 | i | 85.45 | 83.58 | 74.77 | 60.13 | 49.53 | 29.97 | 63.90 | f | ||||||
1967 | 31.40 | a | 36.21 | 48.43 | a | 53.70 | 63.43 | a | 68.03 | 84.77 | 84.26 | 75.23 | 63.74 | 49.73 | 27.23 | 57.18 | ||||||||||
1968 | 28.65 | 36.86 | 47.67 | d | 51.23 | 65.13 | 77.87 | 83.39 | 74.68 | 70.40 | 61.97 | 44.40 | 32.48 | 56.23 | ||||||||||||
1969 | 33.00 | b | 34.25 | 39.40 | a | 60.13 | 73.70 | a | 70.77 | 83.77 | 85.48 | 74.67 | 51.29 | 46.80 | 40.74 | 57.83 | ||||||||||
1970 | 33.23 | 43.89 | 45.68 | 54.60 | 69.35 | 73.24 | a | 81.40 | a | 82.77 | 68.41 | a | 53.74 | 44.41 | a | 33.48 | 57.02 | |||||||||
1971 | 32.48 | 37.64 | 45.55 | b | ----- | z | 62.50 | a | 76.17 | 84.10 | 82.94 | 67.70 | 54.03 | 35.97 | a | 27.58 | 55.15 | a | ||||||||
1972 | 32.71 | 41.38 | 54.87 | a | 59.21 | a | 67.17 | a | 75.45 | a | 82.39 | 79.68 | 69.67 | 56.00 | 37.70 | 26.64 | c | 56.90 | ||||||||
1973 | 22.26 | 28.39 | 39.35 | 50.96 | d | 66.10 | 74.43 | 80.81 | 81.97 | b | 69.59 | c | 61.06 | 40.64 | b | 31.63 | a | 53.93 | ||||||||
1974 | 23.84 | 29.43 | 49.71 | 55.76 | a | 70.10 | 80.57 | 83.52 | 80.45 | b | 72.73 | 60.74 | 45.90 | 32.48 | 57.10 | |||||||||||
1975 | 31.03 | 33.04 | 43.45 | 48.60 | 61.26 | 69.55 | a | 82.55 | 78.26 | 72.37 | 59.10 | 48.72 | l | 29.15 | k | 57.92 | b | |||||||||
1976 | 29.06 | 37.38 | 41.84 | 56.13 | 67.13 | 74.07 | 83.52 | 79.19 | 71.73 | 58.68 | 47.53 | 37.35 | 56.97 | |||||||||||||
1977 | 35.14 | j | 41.07 | 43.55 | 61.47 | 61.19 | 82.17 | 81.90 | 80.48 | 73.33 | 62.03 | 46.97 | 39.67 | a | 61.26 | a | ||||||||||
1978 | 32.55 | 35.25 | 47.23 | 55.93 | 63.19 | 75.90 | 83.55 | 80.45 | 72.67 | 62.77 | 39.63 | 26.06 | 56.27 | |||||||||||||
1979 | 22.03 | 32.25 | 42.16 | 55.92 | d | 66.62 | g | 75.03 | 84.03 | 79.77 | 77.77 | 63.26 | 38.53 | 33.68 | 54.95 | a | ||||||||||
1980 | 30.13 | 36.66 | 41.94 | 55.56 | c | 62.32 | 76.90 | 83.84 | 79.63 | a | 71.10 | 57.68 | 46.40 | 44.35 | 57.21 | |||||||||||
1981 | 42.65 | 44.14 | 47.81 | 61.97 | a | 63.19 | 78.93 | 82.90 | 82.23 | 74.83 | 53.87 | 47.37 | 38.61 | 59.87 | ||||||||||||
1982 | 31.90 | 35.25 | 46.10 | 54.37 | 63.84 | 74.77 | 83.00 | 83.42 | 71.60 | 56.19 | 41.59 | a | 32.90 | 56.24 | ||||||||||||
1983 | 35.77 | 39.39 | 47.94 | 51.10 | 62.00 | 73.27 | 80.84 | 85.16 | 75.50 | 63.13 | 44.67 | 29.42 | 57.35 | |||||||||||||
1984 | 29.16 | 34.86 | 43.10 | 52.30 | 69.39 | 74.27 | 83.87 | 81.68 | 72.33 | 53.90 | 46.80 | 34.00 | 56.30 | |||||||||||||
1985 | 30.97 | 30.75 | 45.45 | 63.10 | 71.10 | 79.77 | 85.23 | 83.26 | 69.00 | 58.90 | 42.70 | 34.42 | 57.89 | |||||||||||||
1986 | 37.84 | 42.79 | 56.03 | 56.47 | 66.61 | 82.60 | 80.59 | b | 83.52 | 68.43 | 57.30 | a | 47.67 | 37.32 | 59.76 | |||||||||||
1987 | 33.00 | 41.46 | 44.61 | 62.77 | 67.03 | 78.67 | 80.06 | 78.45 | 73.77 | 63.53 | a | 45.33 | 32.90 | 58.47 | ||||||||||||
1988 | 26.77 | 35.52 | 43.48 | 57.30 | 66.40 | a | 80.30 | 86.03 | 82.74 | 70.70 | 67.26 | 44.20 | 30.42 | 57.59 | ||||||||||||
1989 | 26.06 | 25.32 | 48.74 | 61.89 | c | 69.58 | 75.40 | 86.90 | 78.26 | 72.55 | a | 60.16 | 48.20 | 37.00 | 57.51 | |||||||||||
1990 | 36.61 | 33.86 | 49.06 | 62.43 | 65.90 | 79.63 | 82.32 | 80.35 | 75.43 | 60.00 | 44.90 | 24.42 | 57.91 | |||||||||||||
1991 | 23.52 | 39.29 | 47.39 | 54.73 | 65.29 | 75.13 | 84.42 | 82.77 | 72.93 | 63.52 | 41.73 | 30.35 | 56.76 | |||||||||||||
1992 | 28.74 | 41.00 | 54.23 | 67.23 | 73.74 | 76.93 | c | 80.77 | 83.87 | a | 74.77 | 64.94 | 40.37 | 27.61 | 59.52 | |||||||||||
1993 | 28.74 | 28.50 | 44.84 | 54.73 | 66.65 | 71.77 | 77.84 | 77.23 | 71.21 | a | 56.52 | 39.47 | 34.29 | 54.31 | ||||||||||||
1994 | 39.68 | 34.68 | 53.90 | 58.70 | 70.42 | 80.87 | 84.58 | 84.68 | ----- | z | 56.19 | 39.47 | 34.65 | 57.98 | a | |||||||||||
1995 | 32.19 | 44.74 | a | 49.42 | 54.47 | 59.16 | 69.07 | 79.77 | 81.61 | 72.90 | 59.35 | 50.57 | 39.84 | 57.76 | ||||||||||||
1996 | 35.35 | 36.52 | 49.26 | 55.83 | 67.10 | 77.47 | 84.45 | 82.45 | 69.03 | 57.16 | 44.27 | 33.39 | 57.69 | |||||||||||||
1997 | 30.45 | 31.75 | 47.19 | 50.70 | 67.65 | 75.33 | 80.06 | 78.52 | 69.13 | 58.90 | 42.13 | 29.42 | 55.10 | |||||||||||||
1998 | 36.68 | 37.32 | 47.74 | 53.07 | 63.52 | 67.97 | 83.68 | 80.87 | 72.73 | 58.16 | 45.97 | 32.61 | 56.69 | |||||||||||||
1999 | 38.68 | 40.11 | 52.48 | 51.67 | 62.19 | 72.73 | 82.81 | 80.16 | 71.72 | a | ----- | z | ----- | z | ----- | z | 61.39 | c | ||||||||
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | 57.27 | 68.80 | a | 77.27 | 84.16 | 82.45 | 77.77 | 63.00 | 48.53 | 29.77 | 65.45 | c | ||||||||
2002 | 30.45 | 36.21 | 44.32 | 62.17 | f | 68.41 | b | 83.10 | 89.20 | a | 84.13 | 71.90 | 56.87 | 40.17 | 27.71 | 57.50 | a | |||||||||
2003 | 31.84 | 33.14 | 47.74 | 56.73 | 67.68 | 74.97 | 89.35 | 84.45 | 73.07 | 67.00 | 37.83 | 32.90 | 58.06 | |||||||||||||
2004 | 29.06 | 30.52 | 55.97 | 59.23 | 67.32 | 75.27 | 82.23 | 79.03 | 70.87 | 57.16 | 41.57 | 33.90 | 56.84 | |||||||||||||
2005 | 35.65 | 37.14 | 49.90 | 57.17 | 65.65 | 71.83 | 87.42 | 81.10 | 71.43 | 61.29 | 45.97 | 33.74 | 58.19 | |||||||||||||
2006 | 35.32 | 40.36 | 44.03 | 60.17 | 71.32 | 81.93 | 87.16 | 80.11 | d | 68.53 | 55.29 | 46.13 | 32.06 | 58.54 | ||||||||||||
2007 | 23.00 | 39.43 | 53.58 | 59.80 | 68.68 | 81.10 | 88.45 | b | 84.23 | a | 73.10 | 58.83 | a | 49.90 | 25.24 | b | 58.78 | |||||||||
2008 | 22.81 | d | 31.90 | 41.06 | 53.71 | b | 62.38 | b | 76.03 | a | 86.35 | 83.32 | 71.70 | 60.84 | 49.55 | a | 32.93 | b | 56.05 | |||||||
2009 | 33.19 | 41.04 | c | 50.84 | 55.03 | 68.61 | 70.53 | 84.06 | 81.16 | 75.30 | 54.97 | 47.13 | 23.67 | a | 57.13 | |||||||||||
2010 | 26.84 | 27.75 | 44.65 | 55.76 | a | 59.87 | 76.14 | a | 83.71 | 79.35 | 75.40 | 56.79 | g | 41.87 | 34.19 | 55.05 | a | |||||||||
2011 | 26.52 | 28.25 | 43.65 | 53.43 | 58.07 | a | 73.45 | a | 79.06 | 82.87 | a | 75.67 | 58.71 | 43.14 | a | 28.56 | d | 54.28 | ||||||||
2012 | 36.97 | 38.59 | 53.77 | a | 61.42 | d | 70.84 | 83.53 | 85.28 | b | 85.68 | 77.60 | e | 61.97 | a | 49.47 | 32.39 | 61.46 | ||||||||
2013 | 20.90 | 29.67 | d | 47.87 | 52.83 | 68.87 | 83.10 | 87.29 | 82.40 | a | 71.59 | a | 56.52 | 42.10 | 24.45 | 55.63 | ||||||||||
2014 | 34.10 | 43.54 | 53.86 | b | 59.60 | 69.42 | 79.40 | 87.35 | 76.00 | e | 73.17 | 62.45 | 44.87 | 36.81 | 60.05 | |||||||||||
2015 | 33.23 | a | 47.63 | a | 55.45 | 59.07 | a | 62.06 | 81.87 | 81.21 | b | 81.93 | d | 77.00 | 64.29 | 42.87 | 27.55 | 59.51 | ||||||||
2016 | 26.71 | 38.32 | a | 51.26 | 56.40 | 63.06 | 83.25 | f | 85.16 | 81.81 | 72.41 | a | 62.41 | i | 55.75 | r | 32.58 | l | 59.39 | d | ||||||
2017 | 26.10 | 40.00 | 54.06 | 56.47 | 67.20 | a | 82.31 | a | 85.97 | b | 82.90 | 71.03 | 58.45 | b | 50.90 | 40.16 | 59.63 | |||||||||
2018 | 37.23 | 41.29 | 48.35 | 58.50 | 68.13 | 80.63 | 85.61 | 81.58 | 76.80 | 55.13 | 41.27 | 30.74 | 58.77 | |||||||||||||
2019 | 29.26 | 29.32 | 39.45 | 58.03 | 59.45 | 73.30 | 82.32 | 82.35 | 71.87 | 52.27 | a | 45.33 | 32.26 | 54.60 | ||||||||||||
2020 | 29.74 | 35.86 | 48.77 | 58.37 | 66.77 | 73.93 | 81.84 | 84.00 | 71.63 | 59.35 | 42.23 | 30.26 | 56.90 | |||||||||||||
2021 | 29.90 | 34.14 | 42.87 | 53.10 | 67.16 | 82.87 | 86.23 | 81.48 | 74.20 | 55.77 | 50.07 | 37.10 | 57.91 | |||||||||||||
2022 | 36.65 | 36.61 | 49.65 | 57.80 | 65.81 | 77.30 | 83.81 | 81.68 | 75.33 | 60.35 | 39.13 | 29.58 | 57.81 | |||||||||||||
2023 | 28.97 | 29.79 | 35.87 | 53.40 | 67.74 | 71.77 | 84.26 | 80.10 | 71.63 | 59.45 | 44.03 | 37.94 | 55.41 | |||||||||||||
2024 | 36.35 | 39.34 | 47.93 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.21 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 31.08 | 36.45 | 46.98 | 57.19 | 66.51 | 76.59 | 83.87 | 81.51 | 73.00 | 59.87 | 44.69 | 32.87 | 57.59 | |||||||||||||
S.D. | 5.11 | 5.65 | 4.89 | 3.74 | 3.68 | 4.08 | 2.44 | 2.27 | 2.71 | 3.84 | 4.01 | 4.45 | 1.65 | |||||||||||||
SKEW | -0.15 | 0.14 | -0.37 | 0.19 | -0.15 | -0.02 | -0.13 | -0.37 | -0.12 | 0.04 | 0.01 | 0.20 | -0.02 | |||||||||||||
MAX | 42.65 | 50.21 | 56.03 | 67.23 | 74.39 | 83.53 | 89.35 | 86.17 | 78.50 | 67.80 | 54.23 | 44.35 | 61.46 | |||||||||||||
MIN | 19.42 | 25.32 | 31.73 | 48.60 | 58.07 | 67.97 | 77.84 | 74.68 | 66.60 | 51.29 | 35.97 | 23.67 | 53.93 | |||||||||||||
YRS | 71 | 72 | 72 | 70 | 70 | 69 | 72 | 72 | 73 | 70 | 70 | 70 | 57 |