YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.57 | a | 71.90 | 67.47 | 53.00 | 37.83 | 32.03 | 56.13 | f | |||||
1949 | 26.81 | 34.68 | 40.20 | a | 51.63 | 64.17 | a | 71.63 | 78.35 | 78.03 | 70.50 | 47.61 | 45.28 | a | 35.35 | 53.69 | ||||||||||
1950 | 30.03 | 34.39 | 38.48 | j | 46.83 | a | 59.77 | 67.32 | e | 77.52 | 81.19 | 74.04 | d | 53.00 | 40.77 | 39.35 | 54.93 | a | ||||||||
1951 | 32.55 | 35.29 | 38.10 | 58.23 | 61.55 | 72.80 | 81.42 | 79.26 | 74.43 | 52.17 | a | 42.59 | a | 33.50 | a | 55.16 | ||||||||||
1952 | 32.10 | 35.28 | 39.52 | 53.87 | 62.03 | 67.34 | a | 84.76 | f | 80.19 | ----- | z | 67.48 | 41.20 | 34.58 | 51.36 | b | |||||||||
1953 | 37.48 | 41.96 | a | 46.26 | 53.60 | 57.32 | 63.77 | 83.90 | 77.00 | 78.07 | a | 61.81 | j | 47.35 | m | 39.23 | 57.86 | b | ||||||||
1954 | 36.26 | 41.78 | a | 47.45 | 54.97 | 64.81 | 63.07 | 76.48 | 70.93 | a | 68.33 | 56.29 | 50.40 | 37.81 | 55.71 | |||||||||||
1955 | 35.87 | 39.71 | 40.65 | 45.33 | 58.45 | 69.83 | 71.77 | 82.55 | 71.87 | 58.74 | 38.10 | 37.83 | a | 54.23 | ||||||||||||
1956 | 37.03 | 35.66 | 43.03 | 56.83 | 66.23 | 67.50 | 84.70 | a | 77.16 | 74.43 | 55.55 | 43.97 | 38.87 | 56.75 | ||||||||||||
1957 | 32.52 | 39.50 | 44.81 | 55.73 | 66.45 | 74.07 | 76.39 | 73.97 | 76.77 | 55.39 | 43.47 | 38.71 | 56.48 | |||||||||||||
1958 | 38.26 | 45.50 | 47.39 | 52.63 | 73.68 | 70.90 | 83.87 | 85.16 | 70.23 | 65.04 | g | 44.23 | 43.35 | 59.56 | a | |||||||||||
1959 | 40.13 | 40.79 | 47.35 | 57.70 | 57.74 | 70.07 | 83.39 | 77.52 | 65.23 | 59.77 | 47.30 | 39.50 | a | 57.21 | ||||||||||||
1960 | 35.77 | 41.90 | 46.81 | 51.90 | 57.00 | 75.17 | 85.52 | 74.77 | 73.43 | 61.39 | 45.07 | 40.00 | 57.39 | |||||||||||||
1961 | 43.74 | 43.32 | 44.48 | 53.83 | 59.35 | 78.77 | 82.55 | 85.23 | 66.37 | 56.65 | 43.03 | a | 36.94 | 57.85 | ||||||||||||
1962 | 36.60 | a | 42.46 | 44.00 | 59.63 | 55.10 | 72.20 | 81.13 | 74.84 | 75.30 | 58.29 | 47.27 | 40.77 | 57.30 | ||||||||||||
1963 | 36.68 | 49.00 | 48.35 | 47.60 | 63.87 | 66.77 | 71.45 | 76.73 | a | 75.27 | 59.58 | 45.07 | 39.00 | 56.61 | ||||||||||||
1964 | 37.13 | 42.17 | 43.55 | 50.37 | 57.81 | 65.73 | 77.03 | 73.26 | 69.00 | 61.23 | 41.40 | 36.94 | 54.63 | |||||||||||||
1965 | 36.77 | 42.64 | 52.90 | 57.63 | 59.32 | 71.17 | 81.19 | 76.71 | 69.37 | 64.90 | 47.33 | 38.10 | 58.17 | |||||||||||||
1966 | 36.35 | 41.86 | 46.45 | 58.23 | 67.58 | 68.60 | 75.35 | 78.39 | 73.33 | 60.33 | a | 47.43 | 38.48 | 57.70 | ||||||||||||
1967 | 38.32 | 43.96 | 44.81 | 47.97 | 65.94 | 73.80 | 84.94 | 88.23 | 79.33 | 57.39 | 49.03 | 36.77 | a | 59.21 | ||||||||||||
1968 | 36.45 | 48.48 | 53.06 | 53.73 | 61.00 | 71.37 | 82.58 | 72.03 | 71.33 | 56.16 | 47.20 | 36.03 | 57.45 | |||||||||||||
1969 | 32.66 | b | 40.57 | 49.84 | 52.70 | 68.16 | 74.07 | 79.81 | 78.29 | 71.47 | 55.48 | 47.70 | 40.19 | 57.58 | ||||||||||||
1970 | 39.26 | 48.18 | 49.19 | 48.90 | 66.84 | 77.43 | 82.32 | 83.58 | 66.10 | 57.55 | 46.83 | 35.74 | 58.49 | |||||||||||||
1971 | 35.00 | 40.50 | 41.55 | 51.97 | 63.68 | 66.87 | 82.27 | a | 84.81 | 66.47 | 56.26 | 43.40 | 35.58 | 55.69 | ||||||||||||
1972 | 35.35 | 41.17 | 46.30 | a | 49.70 | 68.10 | 73.27 | 83.26 | 83.35 | 66.93 | 61.61 | 46.27 | 35.19 | 57.54 | ||||||||||||
1973 | 36.32 | 47.64 | 46.52 | 56.24 | a | 69.17 | b | 70.90 | 82.84 | 79.52 | 71.43 | 58.45 | 38.90 | 38.97 | 58.08 | |||||||||||
1974 | 35.13 | 39.46 | 45.52 | 51.30 | 58.58 | 78.10 | 78.23 | 81.58 | 80.63 | 66.65 | 47.67 | 40.71 | 58.63 | |||||||||||||
1975 | 38.26 | 40.32 | 44.74 | 47.47 | 61.61 | 68.62 | a | 79.65 | 74.16 | 79.00 | 54.74 | 42.20 | 39.74 | 55.88 | ||||||||||||
1976 | 39.42 | 40.45 | 44.84 | 51.93 | 65.90 | 68.50 | 79.03 | 72.39 | 74.97 | 64.61 | 51.53 | 39.52 | 57.76 | |||||||||||||
1977 | 39.23 | a | 52.00 | 44.10 | 61.00 | 55.23 | 78.33 | 79.10 | 84.39 | 66.23 | 60.94 | 43.13 | 41.68 | 58.78 | ||||||||||||
1978 | 41.42 | 46.50 | 55.58 | 52.83 | 57.68 | 71.80 | 79.26 | 75.10 | 63.77 | 66.23 | 42.50 | 35.74 | 57.37 | |||||||||||||
1979 | 36.19 | 38.39 | 53.06 | 51.10 | 66.81 | 74.17 | 80.06 | ----- | z | 76.17 | 63.55 | 45.63 | 41.93 | a | 57.01 | a | ||||||||||
1980 | 38.13 | 47.90 | 45.55 | 56.57 | 61.65 | ----- | z | 81.29 | 77.19 | 72.27 | 62.86 | b | 48.10 | 39.90 | 57.40 | a | ||||||||||
1981 | 46.00 | 46.14 | 51.74 | 54.13 | 59.52 | 66.67 | 78.42 | 85.19 | 73.53 | 56.84 | 48.07 | 39.16 | 58.78 | |||||||||||||
1982 | 37.58 | 41.21 | 46.97 | 51.97 | 63.39 | 71.37 | 76.90 | 78.16 | 67.97 | 57.26 | 43.87 | 39.61 | 56.35 | |||||||||||||
1983 | 40.84 | 45.25 | 49.23 | 53.93 | 66.29 | 67.07 | 70.81 | 79.23 | 69.70 | 60.45 | 45.24 | a | 33.93 | b | 56.83 | |||||||||||
1984 | 40.94 | 44.24 | 50.90 | 50.33 | 60.26 | 68.07 | 84.26 | ----- | z | 69.43 | 53.81 | 42.90 | 36.33 | a | 54.68 | a | ||||||||||
1985 | 38.90 | 41.79 | 48.00 | 58.53 | 64.84 | 74.83 | 87.77 | 77.13 | 64.47 | 57.74 | 38.13 | 36.03 | 57.35 | |||||||||||||
1986 | 42.13 | 42.82 | 55.45 | 55.23 | 65.35 | 78.66 | a | 74.77 | 85.65 | 64.17 | 65.19 | 46.63 | 40.61 | 59.72 | ||||||||||||
1987 | 38.90 | 46.21 | 50.97 | 65.23 | 67.84 | 78.13 | 75.81 | 82.23 | 78.77 | 74.29 | 48.70 | 37.61 | 62.06 | |||||||||||||
1988 | 36.35 | 44.83 | 49.48 | 58.27 | 63.20 | a | 70.90 | 81.13 | 82.35 | 75.67 | 69.84 | 43.07 | 39.61 | 59.56 | ||||||||||||
1989 | 37.32 | 37.15 | a | 46.71 | 61.14 | a | 61.71 | 76.00 | b | 75.90 | 75.32 | 76.89 | b | 61.58 | 49.59 | a | 39.58 | 58.24 | ||||||||
1990 | 41.00 | 39.14 | 52.87 | 64.53 | 62.39 | 71.07 | 82.90 | 79.87 | ----- | z | 58.00 | 45.77 | 33.00 | a | 57.32 | a | ||||||||||
1991 | 39.81 | 51.07 | 47.65 | 52.23 | 58.03 | 65.47 | 82.19 | 82.32 | 81.97 | 65.23 | 46.87 | 40.19 | 59.42 | |||||||||||||
1992 | 42.52 | 52.10 | 61.27 | a | 59.41 | a | 74.52 | b | 77.50 | 79.06 | 83.84 | 71.20 | 61.74 | 45.47 | 36.37 | a | 62.08 | |||||||||
1993 | 35.97 | 41.32 | 50.90 | 52.23 | 67.32 | 67.10 | 68.74 | 77.77 | 78.59 | a | 64.13 | 44.07 | 39.68 | 57.32 | ||||||||||||
1994 | 42.65 | 42.25 | 55.26 | 58.70 | 65.94 | 70.10 | 84.29 | 79.84 | 77.70 | 59.32 | 38.40 | 37.16 | 59.30 | |||||||||||||
1995 | 41.42 | 48.50 | 49.42 | 53.97 | 64.90 | 68.86 | a | 79.52 | d | 76.58 | 76.00 | 57.90 | a | 50.50 | 42.06 | 59.14 | ||||||||||
1996 | 39.30 | a | 41.71 | a | 50.71 | 54.97 | a | 59.55 | 72.63 | 85.79 | b | 82.32 | 70.47 | 58.93 | a | 45.77 | 36.90 | 58.25 | ||||||||
1997 | 38.06 | 44.86 | 47.81 | 54.67 | 69.27 | a | 68.93 | 78.68 | 80.97 | 73.59 | a | 56.29 | 50.73 | 40.42 | 58.69 | |||||||||||
1998 | 41.00 | 45.68 | 50.65 | 56.33 | 57.23 | 70.90 | 84.81 | 84.27 | a | 79.03 | 57.77 | 43.83 | a | 35.74 | 58.94 | |||||||||||
1999 | 38.58 | 38.82 | 46.48 | 53.47 | 60.69 | b | 68.55 | a | 79.39 | 79.47 | a | 77.59 | a | 65.06 | 48.69 | a | 39.61 | 58.03 | ||||||||
2000 | 37.61 | 42.79 | 48.03 | 62.13 | 61.13 | 74.47 | 78.30 | a | 81.87 | a | 72.17 | 59.58 | 43.23 | 39.26 | 58.38 | |||||||||||
2001 | 42.74 | 44.96 | 52.52 | 52.13 | 70.16 | 69.53 | 77.84 | 81.87 | 76.87 | 60.77 | 47.40 | 36.61 | 59.45 | |||||||||||||
2002 | 37.17 | a | 44.25 | 44.50 | a | 55.50 | 61.90 | 73.57 | 84.00 | b | 80.26 | 75.90 | 61.43 | a | 48.34 | a | 39.77 | 58.88 | ||||||||
2003 | 44.16 | 46.61 | 49.00 | 51.62 | a | 61.94 | 76.67 | 86.47 | a | 83.11 | d | 76.52 | a | 62.10 | a | 42.18 | b | 39.87 | a | 60.02 | ||||||
2004 | 37.30 | a | 44.34 | 56.41 | b | 60.72 | a | 62.54 | c | 72.93 | b | 83.54 | c | 81.80 | a | 68.59 | a | 59.10 | b | 46.93 | b | 40.90 | 59.59 | |||
2005 | 40.32 | 48.21 | 53.16 | 53.77 | 63.42 | 66.90 | a | 82.93 | a | 83.80 | a | 72.17 | a | 58.74 | 42.90 | 36.68 | 58.58 | |||||||||
2006 | 38.61 | 41.67 | a | 44.90 | 56.43 | 66.94 | 73.10 | a | 85.39 | c | 81.64 | c | 75.03 | 60.71 | 42.57 | 36.86 | b | 58.66 | ||||||||
2007 | 37.48 | 41.57 | 52.97 | 56.00 | 67.35 | 70.30 | 82.81 | 78.70 | a | 69.79 | a | 53.39 | 46.03 | 35.03 | 57.62 | |||||||||||
2008 | 34.74 | 43.69 | 43.61 | 48.79 | a | 63.27 | a | 70.23 | 81.87 | a | 77.93 | b | 76.50 | 58.71 | 48.30 | 37.13 | 57.06 | |||||||||
2009 | 41.23 | 43.50 | 43.06 | 55.07 | 67.29 | 71.83 | 86.16 | 80.07 | c | 76.17 | 54.94 | 42.29 | b | 35.84 | 58.12 | |||||||||||
2010 | 42.87 | 47.86 | 50.55 | 53.32 | b | 56.06 | 66.43 | 84.43 | c | 79.13 | 69.93 | 59.74 | 42.50 | 37.58 | 57.53 | |||||||||||
2011 | 39.65 | 40.32 | 43.58 | 49.17 | 55.55 | 67.00 | 75.52 | 82.23 | 80.00 | 59.29 | 43.63 | 38.23 | 56.18 | |||||||||||||
2012 | 38.71 | 42.55 | 41.94 | 55.57 | 63.84 | 65.77 | 81.16 | 85.55 | 79.60 | 59.84 | 47.13 | 37.84 | 58.29 | |||||||||||||
2013 | 36.33 | a | 42.61 | 49.23 | 54.87 | 65.68 | 71.10 | 86.61 | 80.29 | 70.27 | 58.48 | 46.40 | 35.10 | 58.08 | ||||||||||||
2014 | 41.48 | 38.82 | 51.13 | 56.57 | 66.35 | 70.10 | 86.36 | c | 83.13 | 76.80 | 62.32 | 45.90 | 43.35 | 60.19 | ||||||||||||
2015 | 44.39 | 51.46 | 59.39 | 57.03 | 66.77 | 82.23 | 83.77 | 82.94 | 72.57 | 66.42 | 44.30 | 38.58 | 62.49 | |||||||||||||
2016 | 38.61 | 47.62 | 48.77 | 64.97 | 65.94 | 74.00 | 78.48 | 83.58 | 70.80 | 54.42 | 50.27 | 33.94 | 59.28 | |||||||||||||
2017 | 35.13 | 39.46 | 44.45 | 52.70 | 67.45 | 73.67 | 85.19 | 86.58 | 74.30 | 57.52 | 44.80 | 38.45 | 58.31 | |||||||||||||
2018 | 40.94 | 41.93 | 45.81 | 55.43 | 70.19 | 72.97 | 86.10 | 83.74 | 73.23 | 61.39 | 47.57 | 39.48 | 59.90 | |||||||||||||
2019 | 43.32 | 36.00 | 47.45 | 56.20 | 66.52 | 74.27 | 77.90 | 84.13 | 68.17 | 55.35 | 49.70 | 39.29 | 58.19 | |||||||||||||
2020 | 37.48 | 44.03 | 50.06 | 59.70 | 64.87 | 69.00 | 81.29 | 83.32 | 74.68 | k | 62.13 | 43.50 | 40.39 | 57.80 | a | |||||||||||
2021 | 41.42 | 38.96 | 50.06 | 62.37 | 65.97 | 80.30 | 88.26 | 83.39 | 74.83 | 56.87 | 47.40 | 37.45 | 60.61 | |||||||||||||
2022 | 39.00 | 43.18 | 51.13 | 48.23 | 58.06 | 69.43 | 85.74 | 88.03 | 78.10 | 70.06 | 42.47 | 35.06 | 59.04 | |||||||||||||
2023 | 39.58 | 39.96 | 41.00 | 50.67 | 70.39 | 75.10 | 85.74 | 84.16 | 70.33 | 59.90 | 47.13 | 42.29 | 58.86 | |||||||||||||
2024 | 37.13 | 43.24 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.19 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.29 | 42.87 | 47.99 | 54.64 | 63.52 | 71.45 | 80.91 | 80.31 | 72.94 | 59.71 | 45.21 | 38.11 | 58.10 | |||||||||||||
S.D. | 3.33 | 4.05 | 4.52 | 4.30 | 4.37 | 4.06 | 4.21 | 4.01 | 4.44 | 4.51 | 3.16 | 2.42 | 1.68 | |||||||||||||
SKEW | -0.48 | 0.17 | 0.38 | 0.32 | 0.02 | 0.37 | -0.62 | -0.37 | -0.15 | 0.51 | -0.33 | -0.18 | -0.03 | |||||||||||||
MAX | 46.00 | 52.10 | 61.27 | 65.23 | 74.52 | 82.23 | 88.26 | 88.23 | 81.97 | 74.29 | 51.53 | 43.35 | 62.49 | |||||||||||||
MIN | 26.81 | 34.39 | 38.10 | 45.33 | 55.10 | 63.07 | 68.74 | 70.93 | 63.77 | 47.61 | 37.83 | 32.03 | 53.69 | |||||||||||||
YRS | 76 | 76 | 74 | 75 | 75 | 74 | 75 | 74 | 73 | 74 | 75 | 76 | 66 |