YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | 8.48 | a | 23.89 | 42.58 | 53.17 | 65.47 | 67.70 | 73.27 | 72.90 | 66.30 | 48.50 | 44.03 | a | 30.44 | 49.73 | |||||||||||
1950 | 6.22 | d | 27.88 | 40.11 | 48.27 | 58.21 | 66.20 | 75.56 | 76.40 | 66.58 | 48.79 | 37.47 | 33.82 | 48.79 | ||||||||||||
1951 | 29.08 | 32.70 | 36.31 | 53.07 | 59.81 | 67.68 | 76.08 | 73.50 | 65.68 | 49.79 | 36.93 | 23.81 | 50.37 | |||||||||||||
1952 | 21.00 | 31.57 | 41.26 | 53.62 | 61.52 | 67.02 | a | 76.27 | 73.40 | a | 68.53 | 58.77 | 34.52 | 32.48 | 51.66 | |||||||||||
1953 | 37.52 | 39.27 | 44.21 | 49.58 | 56.87 | 61.78 | 74.60 | 72.48 | 66.85 | 54.50 | 42.60 | 35.50 | 52.98 | |||||||||||||
1954 | 25.98 | 35.27 | 39.50 | 47.97 | 61.31 | 62.92 | 71.87 | 69.65 | 62.63 | 49.61 | 43.82 | 31.24 | 50.15 | |||||||||||||
1955 | 27.16 | 30.12 | 35.61 | 45.10 | 54.85 | 68.52 | 71.18 | 73.48 | 64.05 | 50.18 | 28.52 | 25.15 | a | 47.83 | ||||||||||||
1956 | 28.19 | 21.91 | 39.82 | 55.03 | 64.10 | 63.75 | 77.47 | 73.76 | 64.67 | 49.82 | 34.35 | 30.55 | 50.29 | |||||||||||||
1957 | 14.85 | 28.14 | 41.74 | 52.88 | 64.35 | 68.42 | 71.63 | 70.89 | 67.68 | 50.21 | 38.52 | 35.39 | 50.39 | |||||||||||||
1958 | 35.05 | 43.12 | 41.40 | 49.67 | 68.03 | 72.37 | 79.03 | 78.13 | 62.98 | 52.82 | 37.75 | 31.94 | 54.36 | |||||||||||||
1959 | 29.90 | 31.96 | 43.27 | 53.10 | 56.40 | 67.20 | 76.95 | 70.76 | 61.02 | 50.24 | 35.10 | 31.37 | 50.61 | |||||||||||||
1960 | 21.02 | 34.69 | 42.31 | 50.50 | 55.87 | 68.30 | 81.40 | 70.27 | 65.32 | 51.98 | 37.90 | 27.40 | 50.58 | |||||||||||||
1961 | 31.05 | 39.23 | 43.56 | 50.87 | 58.31 | 71.35 | 77.11 | 79.82 | 62.48 | 49.40 | 33.90 | 28.11 | 52.10 | |||||||||||||
1962 | 25.74 | 34.77 | 40.00 | 54.07 | 55.81 | 67.48 | 75.50 | 70.34 | 65.72 | 51.13 | 40.25 | 34.24 | 51.25 | |||||||||||||
1963 | 23.11 | 37.02 | 43.98 | 48.47 | 61.37 | 69.07 | 72.37 | 74.92 | 69.93 | 54.35 | 39.38 | 27.76 | 51.81 | |||||||||||||
1964 | 29.39 | 33.72 | 40.48 | 48.32 | 58.79 | 66.52 | 73.48 | 68.77 | 61.45 | 52.21 | 35.60 | 22.79 | 49.29 | |||||||||||||
1965 | 27.29 | 34.02 | 40.77 | 52.60 | 59.66 | 69.05 | 75.84 | 74.40 | 60.97 | 54.55 | 40.78 | 29.68 | 51.63 | |||||||||||||
1966 | 25.65 | 33.93 | 42.34 | 51.70 | 61.71 | 65.12 | 71.44 | 73.82 | 67.85 | 50.45 | 41.07 | 34.69 | 51.65 | |||||||||||||
1967 | 35.10 | 40.00 | 41.05 | 45.57 | 57.77 | 70.87 | 76.95 | 79.81 | 70.52 | 52.42 | 39.43 | 28.76 | 53.19 | |||||||||||||
1968 | 30.32 | 38.95 | 46.15 | 49.85 | 61.50 | 68.80 | 78.89 | 69.81 | 65.88 | 48.79 | 39.72 | 26.79 | 52.12 | |||||||||||||
1969 | 14.21 | 26.66 | 42.50 | 51.15 | 65.50 | 73.42 | 74.03 | 71.03 | 64.50 | 48.24 | 37.93 | 32.24 | 50.12 | |||||||||||||
1970 | 26.89 | 38.27 | 42.92 | 47.35 | 61.02 | 73.23 | 77.56 | 74.85 | 60.00 | 50.29 | 37.55 | 23.97 | 51.16 | |||||||||||||
1971 | 27.39 | 36.05 | 37.77 | 49.42 | 62.65 | 63.50 | 78.05 | 79.03 | 60.47 | 50.13 | 38.95 | 22.63 | a | 50.50 | ||||||||||||
1972 | 25.05 | 31.47 | 44.13 | 46.83 | 62.47 | 67.92 | 74.21 | 77.23 | 61.68 | 52.15 | 40.78 | 26.82 | 50.89 | |||||||||||||
1973 | 29.48 | 36.00 | 45.56 | 53.68 | 63.74 | 70.70 | 77.77 | 72.68 | 63.97 | 50.00 | 32.52 | 34.32 | 52.54 | |||||||||||||
1974 | 24.55 | 37.20 | 41.24 | 51.60 | 56.94 | 71.73 | 73.73 | 76.69 | 69.52 | 54.37 | 41.07 | 33.94 | 52.71 | |||||||||||||
1975 | 25.92 | 28.59 | 41.19 | 49.30 | 61.89 | 68.58 | 81.34 | 72.00 | 69.18 | 54.37 | 35.88 | 30.21 | 51.54 | |||||||||||||
1976 | 28.26 | 38.40 | 40.16 | 50.60 | 59.61 | 64.14 | a | 72.71 | 69.47 | 68.15 | 50.61 | 38.22 | 29.18 | 50.79 | ||||||||||||
1977 | 22.61 | 37.91 | 42.89 | 56.07 | 56.10 | 72.12 | 73.06 | 78.16 | 59.88 | 50.56 | 36.03 | 29.45 | 51.24 | |||||||||||||
1978 | 29.26 | 35.36 | 44.98 | 50.47 | 57.76 | 68.98 | 75.65 | 72.35 | 62.48 | 51.79 | 32.05 | 24.11 | 50.44 | |||||||||||||
1979 | 14.16 | 29.80 | 44.60 | 51.07 | 63.35 | 70.20 | 76.52 | 74.66 | 68.32 | 55.61 | 32.57 | 34.58 | 51.29 | |||||||||||||
1980 | 19.32 | 32.36 | 42.50 | 54.98 | 60.34 | 63.05 | 73.23 | 70.02 | 63.68 | 51.40 | 38.85 | 32.84 | 50.21 | |||||||||||||
1981 | 37.89 | 37.32 | 46.77 | 51.08 | 58.76 | 63.13 | 71.55 | 77.06 | 64.98 | 49.24 | 40.32 | 28.13 | 52.19 | |||||||||||||
1982 | 23.47 | 33.36 | 41.45 | 45.38 | 58.06 | 70.67 | 72.42 | 73.08 | 63.79 | d | 49.31 | 33.32 | 27.56 | 49.32 | ||||||||||||
1983 | 33.56 | 37.36 | 44.92 | 48.78 | 61.39 | 64.63 | 69.13 | 73.85 | 60.28 | 50.76 | 41.48 | 18.45 | 50.38 | |||||||||||||
1984 | 28.39 | 35.88 | 44.55 | 47.65 | 53.76 | 63.87 | 74.44 | 73.48 | 60.45 | 46.29 | 34.88 | 16.05 | 48.31 | |||||||||||||
1985 | 20.61 | 18.04 | 39.19 | 52.73 | 61.71 | 67.98 | 80.06 | 69.68 | 58.18 | 49.42 | 23.40 | 18.66 | b | 46.64 | ||||||||||||
1986 | 28.23 | 31.16 | 45.29 | 48.87 | 60.56 | 71.98 | 69.73 | 78.40 | 60.65 | 54.26 | 39.47 | 29.60 | 51.52 | |||||||||||||
1987 | 27.41 | b | 38.12 | 46.23 | 55.82 | 64.00 | 71.63 | 73.50 | 74.68 | 69.23 | 54.58 | 42.55 | 29.02 | 53.90 | ||||||||||||
1988 | 26.98 | 37.26 | 43.98 | 54.50 | 60.06 | 66.98 | 75.05 | 72.68 | 63.90 | 58.05 | 40.13 | 28.35 | 52.33 | |||||||||||||
1989 | 30.85 | 25.82 | 40.61 | 54.18 | 58.90 | 70.05 | 72.76 | 70.73 | 66.12 | 51.53 | 41.30 | 31.27 | 51.18 | |||||||||||||
1990 | 36.56 | 32.89 | 45.26 | 55.42 | 58.13 | 66.62 | 78.65 | 74.63 | 70.87 | 49.35 | 42.43 | 22.34 | 52.76 | |||||||||||||
1991 | 25.71 | 41.32 | 41.21 | 51.97 | 58.58 | 63.28 | 75.34 | 76.13 | 68.28 | 50.84 | 38.15 | 35.03 | 52.15 | |||||||||||||
1992 | 33.48 | 39.84 | 48.90 | 52.55 | 63.47 | 72.58 | 73.00 | 72.89 | 61.00 | 51.79 | 37.92 | 22.27 | 52.48 | |||||||||||||
1993 | 21.03 | 27.39 | 39.66 | 48.05 | 63.65 | a | 64.97 | 66.47 | 69.97 | 63.65 | 53.92 | 33.90 | 32.95 | 48.80 | ||||||||||||
1994 | 36.13 | 33.70 | 46.65 | 55.42 | 62.35 | 67.02 | 78.08 | 73.97 | 68.38 | 52.24 | 36.42 | 32.56 | 53.58 | |||||||||||||
1995 | 33.11 | 40.55 | 43.94 | 51.07 | 62.89 | 66.83 | 74.98 | 68.52 | 68.08 | 50.10 | 40.57 | 31.73 | 52.70 | |||||||||||||
1996 | 24.97 | 30.05 | 42.39 | 52.33 | 55.84 | 67.08 | 77.19 | 74.23 | 62.18 | 50.55 | 34.53 | 24.23 | 49.63 | |||||||||||||
1997 | 26.92 | 32.07 | 42.48 | 48.97 | 63.37 | 65.78 | 73.48 | 75.66 | 65.72 | 51.56 | 40.40 | 32.15 | a | 51.55 | ||||||||||||
1998 | 31.61 | 41.27 | 45.89 | 53.05 | 61.47 | 69.07 | 80.60 | 76.84 | 69.63 | 51.63 | 42.97 | 29.82 | a | 54.49 | ||||||||||||
1999 | 34.92 | 39.09 | 44.40 | 51.07 | 57.03 | 66.65 | 73.47 | 75.84 | 65.52 | 51.58 | 44.05 | 36.42 | 53.34 | |||||||||||||
2000 | 30.53 | a | 37.66 | 44.16 | 54.18 | 60.32 | 69.03 | 73.95 | 72.89 | 62.43 | 51.71 | 33.27 | 28.16 | 51.52 | ||||||||||||
2001 | 31.65 | 33.22 | a | 45.05 | 50.57 | 61.24 | 63.17 | a | 74.58 | 76.37 | 67.62 | 50.48 | 41.20 | 32.44 | 52.30 | |||||||||||
2002 | 34.35 | 35.68 | c | 38.63 | 49.60 | 57.24 | 68.52 | 76.85 | a | 72.08 | 63.31 | a | 47.44 | d | 38.00 | 35.08 | 51.40 | |||||||||
2003 | 34.65 | 37.52 | 44.23 | 48.73 | 58.06 | 70.07 | 76.16 | 73.18 | 67.15 | 54.50 | 33.53 | 29.63 | 52.28 | |||||||||||||
2004 | 27.95 | 34.74 | 46.73 | 53.02 | 58.73 | 68.60 | 77.05 | 74.79 | 62.27 | 52.56 | 37.97 | 34.29 | 52.39 | |||||||||||||
2005 | 26.68 | 36.43 | 45.61 | 51.08 | 61.77 | 65.70 | 74.52 | 74.15 | 62.25 | 51.60 | 35.88 | 25.27 | 50.91 | |||||||||||||
2006 | 35.18 | 34.34 | 42.10 | 49.83 | 60.02 | 67.95 | 77.21 | 72.68 | 64.48 | 50.69 | 35.98 | 26.63 | 51.42 | |||||||||||||
2007 | 25.85 | 35.43 | 44.60 | 50.18 | 60.40 | 65.97 | 78.34 | 71.69 | 63.43 | 48.79 | 37.07 | 28.37 | 50.84 | |||||||||||||
2008 | 20.15 | 33.22 | 40.26 | 45.45 | 62.15 | 66.00 | 74.94 | 72.74 | 64.50 | 50.50 | 39.95 | 25.03 | 49.57 | |||||||||||||
2009 | 24.87 | 32.02 | 39.16 | 50.43 | 60.24 | 69.80 | 77.40 | 74.10 | 66.70 | 47.56 | 37.88 | 24.73 | 50.41 | |||||||||||||
2010 | 36.34 | 40.71 | 44.81 | 51.17 | 55.40 | 64.23 | 74.60 | 72.45 | 63.65 | 52.68 | 33.92 | 28.66 | 51.55 | |||||||||||||
2011 | 28.94 | 31.82 | 41.74 | 45.03 | 55.42 | 64.50 | 69.82 | 73.61 | 67.40 | 51.10 | 35.55 | 28.52 | 49.45 | |||||||||||||
2012 | 27.66 | 36.19 | 41.92 | 51.37 | 58.76 | 64.17 | 75.58 | 75.47 | 65.67 | 50.29 | 39.33 | 32.60 | 51.58 | |||||||||||||
2013 | 26.61 | 36.30 | 43.40 | 50.45 | 61.00 | 66.57 | 79.21 | 74.66 | 66.50 | 49.97 | 37.17 | a | 25.60 | 51.45 | ||||||||||||
2014 | 31.65 | 30.12 | 43.27 | 52.12 | 62.52 | 68.82 | 80.00 | 76.71 | 66.68 | 55.92 | 37.07 | 34.81 | 53.31 | |||||||||||||
2015 | 32.71 | 42.38 | 48.40 | 51.22 | 65.11 | 77.05 | 79.34 | 75.18 | 62.67 | 57.73 | 36.97 | 29.82 | 54.88 | |||||||||||||
2016 | 31.66 | 39.66 | 45.29 | 57.52 | 62.71 | 68.23 | 72.87 | 73.47 | 62.38 | 50.42 | 45.15 | 23.11 | 52.71 | |||||||||||||
2017 | 21.53 | 28.20 | 42.73 | 49.52 | 60.87 | 68.50 | 76.73 | 77.23 | 64.87 | 48.74 | 38.72 | 28.98 | 50.55 | |||||||||||||
2018 | 35.34 | 34.95 | 43.02 | 51.43 | 67.02 | 67.93 | 78.37 | 74.15 | 62.17 | 50.71 | 39.22 | 33.85 | 53.18 | |||||||||||||
2019 | 33.98 | 24.00 | 35.92 | 52.75 | 63.37 | 69.17 | 73.11 | 75.44 | 62.29 | b | 45.77 | 38.08 | 31.81 | 50.47 | ||||||||||||
2020 | 33.40 | 37.03 | 41.95 | 51.52 | 60.94 | 67.18 | 74.94 | 73.66 | 65.53 | 51.55 | 37.92 | 32.53 | 52.35 | |||||||||||||
2021 | 35.63 | 32.68 | 44.16 | 52.08 | 61.24 | 75.35 | 80.21 | 74.05 | 63.32 | 50.52 | 40.53 | 28.53 | 53.19 | |||||||||||||
2022 | 25.21 | 31.16 | 45.52 | 44.42 | 54.80 | a | 66.63 | 78.87 | 79.10 | 67.88 | 57.66 | 30.63 | 21.85 | 50.31 | ||||||||||||
2023 | 32.00 | 33.70 | 40.44 | 47.67 | 65.77 | 70.63 | 77.13 | 75.66 | 64.12 | 52.16 | 37.27 | 36.17 | a | 52.73 | ||||||||||||
2024 | 28.79 | 39.41 | 43.94 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.38 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 27.82 | 34.23 | 42.73 | 50.88 | 60.43 | 67.90 | 75.42 | 73.91 | 64.79 | 51.41 | 37.74 | 29.19 | 51.36 | |||||||||||||
S.D. | 6.35 | 4.89 | 2.70 | 2.84 | 3.10 | 3.07 | 3.01 | 2.67 | 2.94 | 2.58 | 3.71 | 4.52 | 1.54 | |||||||||||||
SKEW | -1.02 | -0.78 | -0.36 | -0.18 | 0.01 | 0.38 | -0.26 | 0.14 | 0.07 | 0.76 | -0.84 | -0.62 | -0.29 | |||||||||||||
MAX | 37.89 | 43.12 | 48.90 | 57.52 | 68.03 | 77.05 | 81.40 | 79.82 | 70.87 | 58.77 | 45.15 | 36.42 | 54.88 | |||||||||||||
MIN | 6.22 | 18.04 | 35.61 | 44.42 | 53.76 | 61.78 | 66.47 | 68.52 | 58.18 | 45.77 | 23.40 | 16.05 | 46.64 | |||||||||||||
YRS | 76 | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 |