YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.90 | o | 79.26 | 74.89 | 69.80 | 54.44 | 44.50 | 35.58 | 59.74 | f | ||||||
1955 | 29.76 | 27.70 | 39.73 | 52.40 | 61.39 | 68.18 | 77.42 | 74.82 | 66.03 | 55.44 | 37.95 | 36.21 | 52.25 | |||||||||||||
1956 | 29.66 | 27.83 | 40.68 | 48.95 | 63.50 | 76.23 | 75.73 | 72.85 | 68.90 | 57.02 | 36.95 | 35.21 | 52.79 | |||||||||||||
1957 | 28.23 | 41.73 | 41.08 | 44.62 | 57.37 | 67.77 | 76.42 | 74.40 | 63.63 | 54.58 | 37.28 | 39.02 | 52.18 | |||||||||||||
1958 | 32.39 | 37.96 | 35.24 | 48.05 | 64.79 | 71.80 | 74.37 | 76.13 | 67.60 | 55.02 | 42.21 | a | 35.44 | 53.42 | ||||||||||||
1959 | 27.90 | 33.68 | 39.90 | 48.53 | 60.98 | 72.48 | 74.66 | 74.92 | 62.93 | 49.34 | 38.63 | 35.23 | 51.60 | |||||||||||||
1960 | 23.97 | a | 24.57 | 39.50 | a | 53.48 | 59.74 | 71.47 | 74.08 | 75.16 | 67.10 | 54.24 | 42.13 | 29.77 | 51.27 | |||||||||||
1961 | 30.87 | 35.39 | 41.48 | 49.47 | 60.98 | 69.55 | 73.65 | 73.71 | 59.90 | 52.37 | 37.75 | 25.08 | 50.85 | |||||||||||||
1962 | 23.48 | 35.96 | a | 36.85 | 52.70 | 62.94 | 68.88 | 74.45 | 75.00 | 66.03 | 56.61 | 43.02 | 36.03 | 52.66 | ||||||||||||
1963 | 19.32 | 38.66 | 42.15 | 55.50 | 64.31 | 72.92 | 79.81 | 74.37 | 70.03 | 61.05 | 43.55 | 26.71 | 54.03 | |||||||||||||
1964 | 33.19 | 27.66 | 33.92 | 49.52 | 61.29 | 69.35 | 78.76 | 73.34 | 67.07 | 54.79 | 41.62 | 35.48 | 52.16 | |||||||||||||
1965 | 36.47 | 29.50 | 31.50 | 53.73 | 61.27 | 69.55 | 76.76 | 72.18 | 61.58 | 55.98 | 45.93 | 36.03 | 52.54 | |||||||||||||
1966 | 25.48 | 31.91 | 44.08 | 50.37 | 62.35 | 70.75 | 79.89 | 72.66 | 67.59 | a | 51.45 | 42.53 | 29.56 | 52.39 | ||||||||||||
1967 | 34.55 | 36.00 | 45.34 | 54.48 | 58.97 | 69.05 | 75.81 | 71.79 | 63.53 | 52.31 | 38.33 | 23.48 | 51.97 | |||||||||||||
1968 | 27.92 | 35.24 | 42.76 | 50.15 | 59.32 | 71.47 | 74.47 | 71.45 | 68.00 | 57.94 | 40.33 | 30.81 | 52.49 | |||||||||||||
1969 | 36.47 | 37.73 | 36.29 | 56.05 | 64.34 | 68.00 | 80.21 | 78.97 | 69.80 | 49.90 | 43.95 | 36.79 | 54.87 | |||||||||||||
1970 | 31.68 | 41.79 | 39.15 | 50.82 | 65.19 | 73.12 | 80.31 | 79.84 | 65.70 | 49.98 | 45.63 | 38.32 | 55.13 | |||||||||||||
1971 | 34.92 | 34.63 | a | 41.68 | 49.85 | 58.45 | 73.40 | 75.34 | 74.52 | 62.13 | 52.73 | 40.68 | 33.52 | 52.65 | ||||||||||||
1972 | 29.77 | 38.60 | 45.87 | 52.83 | 60.35 | 73.22 | 74.39 | 74.16 | 66.45 | 53.82 | 31.82 | 23.08 | 52.03 | |||||||||||||
1973 | 29.48 | 35.11 | 42.66 | 46.98 | 59.37 | 71.18 | 75.24 | 76.47 | 64.72 | 56.19 | 42.08 | 31.97 | 52.62 | |||||||||||||
1974 | 26.27 | 36.84 | 46.95 | 51.30 | 65.55 | 72.42 | 78.65 | 72.79 | 63.30 | 57.05 | a | 41.45 | 28.76 | 53.44 | ||||||||||||
1975 | 31.61 | 33.50 | 40.47 | 49.25 | 59.82 | 69.93 | 76.82 | 75.27 | 63.98 | 54.53 | 38.27 | 36.53 | 52.50 | |||||||||||||
1976 | 30.87 | 40.17 | 38.53 | 51.33 | 59.45 | 69.32 | 76.55 | 72.45 | 63.77 | 48.44 | 35.98 | 32.50 | a | 51.61 | ||||||||||||
1977 | 27.61 | 38.12 | 41.95 | 54.22 | 65.26 | 74.22 | 77.50 | 74.10 | 67.42 | 53.74 | 40.57 | 35.94 | 54.22 | |||||||||||||
1978 | 25.16 | 29.04 | 43.73 | 53.17 | 57.92 | 70.17 | 77.87 | 72.81 | 66.65 | 53.58 | 38.90 | 23.94 | 51.08 | |||||||||||||
1979 | 16.11 | 34.41 | 43.11 | 51.78 | 57.56 | 68.82 | 76.45 | 71.66 | 67.40 | 55.13 | 35.75 | 33.89 | 51.01 | |||||||||||||
1980 | 28.18 | 37.21 | 40.56 | 48.32 | 58.31 | 72.80 | 80.23 | 75.97 | 66.97 | 52.40 | 40.78 | 41.88 | a | 53.63 | ||||||||||||
1981 | 36.61 | 39.82 | 45.89 | 59.60 | 62.02 | 75.55 | 79.15 | 74.15 | 68.68 | 56.24 | 46.33 | 34.50 | 56.54 | |||||||||||||
1982 | 31.48 | a | 33.27 | 46.03 | 53.03 | 60.81 | 67.50 | 77.44 | 76.32 | 66.33 | 50.94 | 38.27 | 32.16 | 52.80 | ||||||||||||
1983 | 33.31 | 37.46 | 40.94 | 46.05 | 56.89 | 67.10 | 77.47 | 77.32 | 67.97 | 54.08 | 41.78 | 20.79 | 51.76 | |||||||||||||
1984 | 26.60 | 35.98 | 40.10 | 47.90 | 63.42 | 71.68 | 77.45 | 75.29 | 63.95 | 49.44 | 40.98 | 35.45 | 52.35 | |||||||||||||
1985 | 25.77 | 29.05 | 43.40 | 53.97 | 61.85 | 70.88 | 75.42 | 75.03 | 62.73 | 51.58 | 31.08 | 27.35 | 50.68 | |||||||||||||
1986 | 39.44 | 38.84 | 47.82 | 53.17 | 59.82 | 71.07 | 75.92 | 73.26 | 63.05 | 50.87 | 40.08 | 30.24 | 53.63 | |||||||||||||
1987 | 29.79 | 37.30 | 40.34 | 52.92 | 61.73 | 71.17 | 76.98 | 71.94 | 64.98 | 53.31 | 39.53 | 28.92 | 52.41 | |||||||||||||
1988 | 19.66 | 33.60 | 39.66 | 51.52 | 60.79 | 73.12 | 75.66 | 75.81 | 64.73 | 54.95 | 41.80 | 30.48 | 51.82 | |||||||||||||
1989 | 33.11 | 24.00 | 46.32 | 52.73 | 62.76 | 67.88 | 76.77 | 73.55 | 65.25 | 53.11 | 42.27 | 25.89 | 51.97 | |||||||||||||
1990 | 33.60 | 33.39 | 42.34 | 51.60 | 57.63 | 74.25 | 72.74 | 72.03 | 68.30 | 53.23 | 44.42 | 24.60 | 52.34 | |||||||||||||
1991 | 28.77 | 38.73 | 43.34 | 51.27 | 63.95 | 72.27 | 74.84 | 73.66 | 64.67 | 52.76 | 34.76 | a | 32.03 | 52.59 | ||||||||||||
1992 | 33.81 | 38.62 | 45.13 | 54.58 | 61.84 | 66.77 | 73.21 | 70.45 | 65.58 | 52.08 | 31.27 | 28.32 | 51.80 | |||||||||||||
1993 | 26.44 | 30.55 | 42.05 | 50.47 | 59.05 | 68.80 | 74.89 | 71.21 | 60.07 | 48.97 | 32.28 | 31.84 | 49.72 | |||||||||||||
1994 | 29.92 | 32.07 | 41.87 | a | 49.15 | 61.06 | 73.10 | 73.85 | 73.92 | 65.95 | 52.18 | 38.67 | 33.63 | 52.11 | ||||||||||||
1995 | 31.61 | 36.66 | 41.10 | 44.48 | 54.02 | 65.12 | 71.82 | 75.66 | 62.22 | 48.69 | 41.38 | 31.82 | 50.38 | |||||||||||||
1996 | 27.87 | 34.67 | 38.02 | 50.38 | 64.71 | 70.22 | 74.95 | 72.55 | 62.20 | 51.23 | 38.02 | 33.23 | a | 51.50 | ||||||||||||
1997 | 27.98 | 31.68 | 43.05 | 43.73 | 58.15 | 69.50 | 74.95 | 72.02 | 66.53 | 49.90 | 34.87 | 29.48 | 50.15 | |||||||||||||
1998 | 31.34 | 34.50 | 37.56 | 47.52 | 61.26 | 66.62 | 75.03 | 72.40 | 69.77 | 53.77 | 44.30 | 29.29 | 51.95 | |||||||||||||
1999 | 36.24 | 40.32 | 44.66 | 47.77 | 59.58 | 68.42 | 77.23 | 73.56 | 62.70 | 52.19 | 44.55 | 33.35 | 53.38 | |||||||||||||
2000 | 33.60 | 40.69 | 43.45 | 52.77 | 63.10 | 71.30 | 77.73 | 76.84 | 65.37 | 52.00 | 32.12 | 28.18 | 53.09 | |||||||||||||
2001 | 26.02 | 31.43 | 40.90 | 53.25 | 58.90 | 70.60 | 78.08 | 73.84 | 65.93 | 52.13 | 42.30 | 30.31 | 51.97 | |||||||||||||
2002 | 29.53 | 31.88 | 37.48 | 52.77 | 60.69 | 75.28 | 79.08 | 75.21 | 66.65 | 48.29 | 39.95 | 32.24 | 52.42 | |||||||||||||
2003 | 36.34 | 30.55 | 45.24 | 55.57 | 63.34 | 67.78 | 81.16 | 75.95 | 62.52 | 56.55 | 39.02 | 34.11 | 54.01 | |||||||||||||
2004 | 31.52 | 33.28 | 48.87 | 50.50 | 63.19 | 67.77 | 73.21 | 69.53 | 65.02 | 52.90 | 38.97 | 33.24 | 52.33 | |||||||||||||
2005 | 33.26 | 37.14 | 40.66 | 50.15 | 60.16 | 70.08 | 78.29 | 72.98 | 67.27 | 53.18 | 42.93 | 30.48 | 53.05 | |||||||||||||
2006 | 36.18 | 31.95 | 41.90 | 53.72 | 62.77 | 74.27 | 77.31 | 73.44 | 59.47 | 50.77 | 41.23 | 31.90 | 52.91 | |||||||||||||
2007 | 23.73 | 32.77 | 46.56 | 48.38 | 59.95 | 68.50 | 75.47 | 76.61 | 66.37 | 53.98 | 40.67 | 28.58 | 51.80 | |||||||||||||
2008 | 27.47 | 33.88 | 41.55 | 48.12 | 59.47 | 70.75 | 77.42 | 72.77 | 63.95 | 52.39 | 42.13 | 30.40 | 51.69 | |||||||||||||
2009 | 34.47 | 37.36 | 43.23 | 50.08 | 62.37 | 68.78 | 74.48 | 72.44 | 63.90 | 46.15 | 42.57 | 24.39 | 51.68 | |||||||||||||
2010 | 30.18 | 28.98 | 41.74 | 51.00 | 58.73 | 72.45 | 76.56 | 74.45 | 68.62 | 55.05 | 38.10 | 33.23 | 52.42 | |||||||||||||
2011 | 26.90 | 29.30 | 45.00 | 51.17 | 58.08 | 73.75 | 79.16 | 78.53 | 66.03 | 53.84 | 40.95 | 25.23 | 52.33 | |||||||||||||
2012 | 36.06 | 32.66 | a | 48.68 | 55.22 | 62.63 | 77.03 | 79.81 | 75.26 | 66.47 | 50.73 | 43.17 | 29.74 | 54.79 | ||||||||||||
2013 | 29.44 | 31.91 | 41.00 | 46.68 | 60.79 | 74.32 | 76.31 | 75.16 | 69.53 | 51.03 | 40.37 | 30.69 | 52.27 | |||||||||||||
2014 | 31.03 | 31.96 | 43.08 | 52.07 | 61.34 | 72.65 | 75.08 | 73.31 | 67.22 | 55.90 | 36.90 | 30.29 | 52.57 | |||||||||||||
2015 | 33.50 | 35.32 | 45.15 | 52.08 | 56.97 | 72.83 | 77.66 | 77.56 | 71.95 | 59.39 | 41.50 | 34.15 | 54.84 | |||||||||||||
2016 | 33.02 | 40.48 | 45.44 | 52.52 | 60.85 | 75.97 | 80.37 | 74.85 | 69.77 | 59.19 | 45.88 | 30.15 | 55.71 | |||||||||||||
2017 | 32.15 | 42.04 | 49.42 | 52.47 | 58.90 | 72.32 | 77.74 | 72.44 | 66.75 | 52.71 | 45.92 | 32.90 | 54.65 | |||||||||||||
2018 | 34.18 | 34.02 | 45.44 | 51.18 | 67.35 | 76.57 | 78.92 | 74.02 | 69.65 | 51.35 | 38.80 | 32.15 | 54.47 | |||||||||||||
2019 | 33.50 | 34.44 | a | 41.26 | 53.92 | 56.27 | 69.12 | 78.26 | 78.06 | 72.78 | 46.19 | 38.43 | 34.76 | 53.08 | ||||||||||||
2020 | 34.90 | 31.76 | 46.08 | 50.92 | 64.97 | 74.53 | 78.87 | 78.18 | 65.83 | 51.52 | 44.35 | 32.79 | 54.56 | |||||||||||||
2021 | 32.18 | 27.41 | 43.05 | 51.12 | 60.23 | 73.22 | 77.56 | 76.39 | 70.17 | 55.05 | 45.28 | 39.34 | 54.25 | |||||||||||||
2022 | 31.97 | 30.21 | 41.24 | 52.92 | 61.15 | 72.88 | 79.73 | 76.95 | 70.12 | 54.40 | 36.78 | 29.53 | 53.16 | |||||||||||||
2023 | 30.19 | 33.73 | 39.90 | 50.63 | 63.89 | 68.58 | 78.56 | 76.89 | 69.27 | 53.77 | 43.13 | 35.85 | 53.70 | |||||||||||||
2024 | 29.19 | 39.91 | 44.44 | 53.85 | 54.59 | t | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.85 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.36 | 34.38 | 42.22 | 51.18 | 60.99 | 71.14 | 76.82 | 74.41 | 66.06 | 53.11 | 40.24 | 31.64 | 52.68 | |||||||||||||
S.D. | 4.37 | 4.18 | 3.44 | 2.89 | 2.57 | 2.70 | 2.14 | 2.10 | 2.84 | 2.89 | 3.68 | 4.20 | 1.31 | |||||||||||||
SKEW | -0.73 | -0.23 | -0.42 | -0.22 | 0.01 | 0.13 | -0.07 | 0.30 | -0.10 | 0.08 | -0.63 | -0.28 | 0.49 | |||||||||||||
MAX | 39.44 | 42.04 | 49.42 | 59.60 | 67.35 | 77.03 | 81.16 | 79.84 | 72.78 | 61.05 | 46.33 | 41.88 | 56.54 | |||||||||||||
MIN | 16.11 | 24.00 | 31.50 | 43.73 | 54.02 | 65.12 | 71.82 | 69.53 | 59.47 | 46.15 | 31.08 | 20.79 | 49.72 | |||||||||||||
YRS | 70 | 70 | 70 | 70 | 69 | 69 | 70 | 70 | 70 | 70 | 70 | 70 | 69 |