YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.18 | i | ----- | z |
1949 | 26.79 | 36.46 | 45.26 | 53.23 | 63.87 | 71.75 | 76.81 | 74.92 | 67.83 | 56.03 | 50.48 | 34.77 | 54.85 | |||||||||||||
1950 | 36.98 | 42.71 | 43.44 | 53.77 | 63.87 | 74.58 | 74.08 | 73.11 | 66.00 | 62.85 | 44.05 | 37.92 | 56.11 | |||||||||||||
1951 | 32.23 | 39.82 | 42.77 | 51.67 | 63.95 | 69.93 | 79.35 | 77.24 | 67.88 | 55.56 | 40.05 | 35.31 | 54.65 | |||||||||||||
1952 | 38.73 | 40.28 | 42.27 | 53.63 | 63.45 | 79.30 | 77.26 | 79.39 | 68.23 | 55.55 | 38.78 | 33.66 | 55.88 | |||||||||||||
1953 | 42.37 | 36.66 | 49.66 | 52.45 | 61.79 | 80.73 | 79.35 | 75.82 | 70.27 | 58.10 | 44.55 | 33.74 | 57.12 | |||||||||||||
1954 | 36.11 | 45.70 | 42.82 | 59.32 | 60.55 | 75.75 | 80.95 | 77.84 | 72.87 | 58.08 | 47.60 | 39.39 | 58.08 | |||||||||||||
1955 | 34.32 | 34.21 | 44.37 | 55.67 | 63.34 | 70.80 | 77.73 | 77.73 | 71.02 | b | 59.74 | 41.32 | 40.47 | b | 55.89 | |||||||||||
1956 | 37.06 | 35.59 | 46.11 | 53.05 | 68.95 | 78.18 | 77.95 | 76.23 | 71.88 | 60.11 | 41.17 | 39.71 | b | 57.17 | ||||||||||||
1957 | 34.94 | 45.12 | 43.82 | 50.98 | 60.77 | 72.38 | 80.87 | 77.76 | 66.33 | 56.02 | 39.75 | 41.13 | 55.82 | |||||||||||||
1958 | 35.58 | 38.27 | 35.18 | 51.00 | 66.84 | 75.20 | 75.87 | 77.61 | 69.37 | 56.47 | 44.60 | 36.68 | 55.22 | |||||||||||||
1959 | 29.19 | 38.48 | 43.26 | 52.40 | 64.89 | 75.40 | 76.50 | 76.69 | 66.87 | 52.65 | 40.57 | 37.35 | 54.52 | |||||||||||||
1960 | 30.18 | 29.93 | 42.63 | 56.20 | 63.81 | 74.12 | 74.23 | 75.68 | 68.05 | 56.87 | 45.12 | 34.23 | 54.25 | |||||||||||||
1961 | 34.34 | 38.45 | 43.94 | 52.43 | 63.74 | 72.28 | 74.44 | 74.34 | 64.17 | 55.32 | 38.55 | 33.53 | 53.79 | |||||||||||||
1962 | 29.65 | 41.88 | 42.13 | 54.95 | 68.16 | 70.28 | 76.60 | 76.95 | 67.57 | 58.95 | 46.12 | 38.55 | 55.98 | |||||||||||||
1963 | 26.24 | 39.88 | 47.61 | 59.00 | 66.65 | 73.42 | 79.53 | 76.29 | 71.45 | 62.94 | 47.13 | 31.85 | 56.83 | |||||||||||||
1964 | 34.77 | 31.31 | b | 41.19 | 53.83 | 65.73 | 73.60 | 80.16 | 76.39 | 67.50 | 57.84 | 43.72 | 36.35 | 55.20 | ||||||||||||
1965 | 39.48 | 35.52 | 36.45 | 57.28 | 64.48 | a | 70.55 | 76.82 | 74.35 | 65.91 | a | 57.53 | 49.95 | 40.65 | 55.75 | |||||||||||
1966 | 29.18 | 33.71 | 47.40 | 52.70 | 64.63 | a | 73.15 | 80.79 | 72.03 | 67.48 | 55.21 | 47.82 | 32.30 | a | 54.70 | |||||||||||
1967 | 38.76 | 38.05 | 50.06 | 58.43 | 61.26 | 71.45 | 76.18 | 72.26 | 66.25 | 58.10 | 43.75 | 32.82 | 55.61 | |||||||||||||
1968 | 35.92 | 37.14 | 45.84 | 52.23 | 60.92 | 73.42 | 75.66 | 75.24 | 67.13 | 59.34 | 42.35 | 33.47 | 54.89 | |||||||||||||
1969 | 39.35 | 38.64 | 36.53 | 56.88 | 64.79 | 69.88 | 79.44 | 77.79 | 68.68 | 51.68 | 44.15 | 37.94 | 55.48 | |||||||||||||
1970 | 32.85 | 41.21 | 39.90 | a | 51.73 | 65.50 | 71.85 | 77.87 | 76.21 | 66.33 | 50.71 | 44.25 | 39.56 | 54.83 | ||||||||||||
1971 | 34.55 | 36.82 | 45.61 | 53.22 | 62.03 | 75.08 | 74.74 | 72.39 | 65.00 | 56.11 | 44.82 | 36.39 | 54.73 | |||||||||||||
1972 | 35.00 | 40.55 | 50.15 | 57.82 | 62.61 | 72.58 | 73.73 | 72.53 | 66.37 | 55.65 | 35.45 | 32.21 | 54.55 | |||||||||||||
1973 | 32.21 | 37.95 | 43.60 | 48.00 | 59.81 | 70.97 | 75.13 | 75.98 | 65.30 | 57.65 | 46.15 | 35.37 | 54.01 | |||||||||||||
1974 | 31.66 | 39.95 | 50.32 | 55.83 | 67.63 | 73.92 | 77.98 | 71.79 | 61.03 | 57.32 | 43.62 | 33.32 | 55.36 | |||||||||||||
1975 | 34.26 | 33.73 | 43.23 | 51.83 | 62.42 | 71.67 | 74.18 | 75.92 | 65.05 | 58.26 | 43.35 | 39.97 | 54.49 | |||||||||||||
1976 | 34.56 | 44.50 | 43.40 | 56.15 | 60.22 | a | 72.57 | 75.84 | 75.29 | 66.87 | 50.42 | 39.98 | 35.69 | 54.62 | ||||||||||||
1977 | 28.44 | 41.46 | 45.89 | 55.70 | 66.23 | 76.23 | 79.32 | 75.66 | 70.43 | 57.35 | 45.58 | 39.05 | 56.78 | |||||||||||||
1978 | 27.87 | 28.61 | 46.18 | 57.80 | 61.61 | 73.73 | 79.90 | 74.39 | 68.13 | 57.06 | 43.75 | 31.02 | 54.17 | |||||||||||||
1979 | 23.95 | 37.70 | 45.89 | 53.45 | 59.60 | 70.02 | 77.56 | 73.29 | 68.67 | 58.24 | 39.20 | 38.27 | a | 53.82 | ||||||||||||
1980 | 34.08 | 38.40 | 43.10 | 51.33 | 60.23 | 76.53 | 82.24 | 76.26 | 68.60 | 55.00 | 42.93 | 41.47 | 55.85 | |||||||||||||
1981 | 37.74 | 40.14 | 46.21 | 59.65 | 62.32 | 76.03 | 78.16 | 72.76 | 67.08 | 55.34 | 48.07 | 38.62 | a | 56.84 | ||||||||||||
1982 | 37.73 | 33.48 | 44.11 | 51.03 | 62.85 | 69.42 | 76.24 | 76.03 | 69.85 | 55.76 | 43.11 | b | 36.10 | 54.64 | ||||||||||||
1983 | 35.02 | 35.82 | 44.24 | 48.58 | 59.02 | 68.50 | 77.50 | 78.79 | 72.02 | 58.89 | 46.43 | 25.81 | 54.22 | |||||||||||||
1984 | 32.19 | 41.33 | 44.53 | 51.27 | 64.71 | 73.12 | a | 76.39 | 74.52 | 66.60 | 53.77 | 45.33 | 38.27 | 55.17 | ||||||||||||
1985 | 32.11 | 37.12 | 48.45 | 57.50 | 65.45 | 71.67 | 76.71 | 75.42 | 66.55 | 56.11 | 43.75 | 34.10 | 55.41 | |||||||||||||
1986 | 42.45 | 40.20 | 52.58 | 58.23 | 63.08 | 72.53 | 78.10 | 74.93 | c | 68.27 | 55.24 | 43.93 | 36.37 | a | 57.16 | |||||||||||
1987 | 35.12 | a | 42.09 | 43.76 | 54.42 | 63.50 | 71.75 | 75.98 | d | 72.97 | l | 65.41 | h | 58.68 | i | 44.81 | i | 35.84 | i | 55.23 | e | |||||
1988 | 30.45 | k | 37.67 | h | 44.04 | h | 56.15 | j | 62.70 | i | 73.07 | h | 75.40 | j | 75.93 | h | 65.37 | 56.73 | 45.43 | 36.13 | 50.91 | h | ||||
1989 | 37.48 | 30.70 | 49.60 | 56.95 | 65.00 | 67.55 | 74.39 | 73.68 | 64.50 | 56.81 | 45.33 | 30.71 | 54.39 | |||||||||||||
1990 | 34.48 | 37.39 | 45.26 | 54.43 | 61.58 | 78.80 | 74.97 | 74.10 | 69.53 | 55.35 | 46.93 | 31.00 | 55.32 | |||||||||||||
1991 | 31.45 | 44.07 | 47.35 | 55.57 | 65.85 | 72.87 | 74.34 | 74.21 | 65.52 | 55.52 | 39.55 | 36.63 | 55.24 | |||||||||||||
1992 | 37.03 | 42.72 | 48.05 | 58.13 | 62.26 | 69.18 | 74.97 | 72.21 | 68.62 | 57.94 | 37.82 | 32.95 | 55.16 | |||||||||||||
1993 | 31.35 | 35.12 | b | 46.52 | 53.78 | 63.27 | 72.05 | 77.60 | 75.19 | 67.10 | 53.69 | 40.58 | 37.11 | 54.45 | ||||||||||||
1994 | 35.05 | 37.21 | 47.66 | 54.27 | 65.31 | 78.45 | 77.79 | 76.18 | 69.35 | 56.56 | 44.22 | 39.95 | 56.83 | |||||||||||||
1995 | 37.44 | 42.75 | 45.76 | 51.17 | 60.05 | 70.02 | 76.77 | 78.68 | 67.62 | 57.27 | 47.00 | 37.50 | 56.00 | |||||||||||||
1996 | 34.08 | 41.03 | 42.61 | 55.52 | 69.42 | 74.55 | 75.74 | 73.71 | 65.10 | 55.74 | 44.23 | 36.32 | 55.67 | |||||||||||||
1997 | 33.82 | 36.48 | 47.71 | 47.42 | 62.55 | 72.20 | 77.40 | 75.05 | 70.42 | 56.92 | 41.22 | 32.56 | 54.48 | |||||||||||||
1998 | 38.23 | 40.84 | 41.97 | 52.33 | 68.05 | 74.73 | 79.73 | 75.06 | 73.43 | 59.03 | 47.73 | 36.63 | 57.31 | |||||||||||||
1999 | 38.73 | 44.82 | 44.92 | 52.90 | 61.73 | 71.55 | 77.77 | 77.18 | 66.27 | 56.26 | 50.12 | 37.90 | 56.68 | |||||||||||||
2000 | 38.52 | 45.97 | 46.87 | 56.72 | 68.27 | 72.97 | 79.44 | 80.42 | 71.03 | 56.55 | 37.78 | 30.56 | e | 57.09 | ||||||||||||
2001 | 30.73 | 35.96 | 42.89 | 57.53 | 63.21 | 72.98 | 80.39 | 76.06 | 68.80 | 56.53 | 47.78 | 36.44 | 55.78 | |||||||||||||
2002 | 35.39 | 36.93 | 41.90 | 57.63 | 64.16 | 77.97 | 77.97 | 77.37 | 68.72 | 51.24 | 42.77 | 32.79 | 55.40 | |||||||||||||
2003 | 38.71 | 35.32 | 46.11 | 55.18 | 65.06 | 68.50 | 79.65 | 77.50 | 66.50 | 59.02 | 44.57 | 37.81 | 56.16 | |||||||||||||
2004 | 35.95 | 35.97 | 49.71 | 52.52 | 67.35 | 72.18 | 74.56 | 71.68 | 67.55 | 56.00 | 41.18 | 37.19 | 55.15 | |||||||||||||
2005 | 36.97 | 40.48 | 42.87 | 52.42 | 62.27 | 73.20 | 78.05 | 73.94 | 69.70 | 56.48 | 46.35 | 35.03 | 55.65 | |||||||||||||
2006 | 39.87 | 38.09 | 46.24 | 58.78 | 67.77 | 77.67 | 78.24 | 75.05 | 63.57 | 54.68 | 45.68 | 34.45 | 56.67 | |||||||||||||
2007 | 29.13 | 36.50 | 49.87 | 50.90 | 63.37 | 71.52 | 76.15 | 78.84 | 70.88 | 59.27 | 43.85 | 33.35 | 55.30 | |||||||||||||
2008 | 33.74 | 38.69 | 45.21 | 53.47 | 64.39 | 75.92 | 75.58 | 74.26 | 66.72 | 56.73 | 45.93 | 37.29 | 55.66 | |||||||||||||
2009 | 37.00 | 42.91 | 48.06 | 54.15 | 62.97 | 73.33 | 76.79 | 75.11 | 66.22 | 51.42 | 46.97 | 30.45 | 55.45 | |||||||||||||
2010 | 34.21 | 28.50 | 46.05 | 55.92 | 62.69 | 76.93 | 78.05 | 76.97 | 73.23 | 59.65 | 44.22 | 38.77 | 56.27 | |||||||||||||
2011 | 33.74 | 35.43 | 48.52 | 57.25 | 63.76 | 79.20 | 83.18 | 81.68 | 68.53 | 57.69 | 45.28 | 31.71 | 57.16 | |||||||||||||
2012 | 39.89 | 37.76 | 53.50 | 59.92 | 67.44 | 77.50 | 81.34 | 77.48 | 69.55 | 55.39 | 48.53 | 37.10 | 58.78 | |||||||||||||
2013 | 35.84 | 37.64 | 47.56 | 50.98 | 65.47 | 78.37 | 77.76 | 77.37 | 71.30 | 55.81 | 43.32 | 32.84 | 56.19 | |||||||||||||
2014 | 35.35 | 38.09 | 45.76 | 54.73 | 65.10 | 74.60 | 76.92 | 78.27 | 69.87 | 59.85 | 42.73 | 36.94 | 56.52 | |||||||||||||
2015 | 36.61 | 39.55 | 49.15 | 56.38 | 61.26 | 75.85 | 79.81 | 77.24 | 74.53 | 61.00 | 46.10 | 39.06 | 58.05 | |||||||||||||
2016 | 37.15 | 44.67 | 49.60 | 55.10 | 61.47 | 76.42 | 81.90 | 75.90 | 71.67 | 63.16 | 49.65 | 36.00 | 58.56 | |||||||||||||
2017 | 38.21 | 45.96 | 51.58 | 56.23 | 62.35 | 76.33 | 80.06 | 72.81 | 68.78 | 58.29 | 51.53 | 37.11 | 58.27 | |||||||||||||
2018 | 35.82 | 37.84 | 48.87 | 51.43 | 70.35 | 76.53 | 78.44 | 76.85 | 70.27 | 55.44 | 41.47 | 35.21 | 56.54 | |||||||||||||
2019 | 37.26 | 37.56 | a | 44.10 | 55.38 | 60.15 | 71.25 | 80.08 | 79.89 | 75.07 | 50.94 | 42.77 | 39.08 | 56.13 | ||||||||||||
2020 | 38.56 | 37.19 | 50.95 | 54.65 | 67.47 | 78.35 | 79.81 | 78.81 | 66.42 | 54.94 | 48.42 | 36.97 | 57.71 | |||||||||||||
2021 | 36.85 | 29.91 | 45.97 | 52.42 | 63.53 | 75.05 | 75.97 | 77.19 | 72.10 | 58.35 | 47.95 | 43.03 | 56.53 | |||||||||||||
2022 | 35.00 | 32.57 | 44.58 | 56.60 | 66.87 | a | 75.90 | 81.40 | 76.11 | 72.50 | 57.27 | 40.35 | 37.45 | 56.38 | ||||||||||||
2023 | 36.55 | 40.00 | 46.65 | 54.87 | 65.26 | 70.20 | 78.24 | 78.34 | 72.38 | 58.16 | 45.95 | 40.84 | 57.29 | |||||||||||||
2024 | 32.37 | 42.86 | 48.52 | 57.08 | 63.18 | t | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.21 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.83 | 38.33 | 45.63 | 54.47 | 63.95 | 73.72 | 77.69 | 75.87 | 68.43 | 56.70 | 44.22 | 36.03 | 55.82 | |||||||||||||
S.D. | 3.65 | 4.05 | 3.46 | 2.80 | 2.58 | 2.98 | 2.22 | 2.16 | 2.72 | 2.60 | 3.30 | 3.18 | 1.18 | |||||||||||||
SKEW | -0.61 | -0.27 | -0.44 | -0.16 | 0.31 | 0.22 | 0.23 | 0.09 | 0.20 | -0.14 | -0.21 | -0.42 | 0.46 | |||||||||||||
MAX | 42.45 | 45.97 | 53.50 | 59.92 | 70.35 | 80.73 | 83.18 | 81.68 | 75.07 | 63.16 | 51.53 | 43.03 | 58.78 | |||||||||||||
MIN | 23.95 | 28.50 | 35.18 | 47.42 | 59.02 | 67.55 | 73.73 | 71.68 | 61.03 | 50.42 | 35.45 | 25.81 | 53.79 | |||||||||||||
YRS | 75 | 75 | 75 | 75 | 74 | 74 | 74 | 73 | 74 | 74 | 74 | 74 | 73 |