YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | 63.03 | 72.20 | e | 83.32 | l | 79.65 | 71.13 | 62.55 | ----- | z | ----- | z | 69.71 | g | ||||
1949 | 29.77 | 43.39 | 48.48 | 66.13 | 72.16 | 77.97 | 83.87 | 82.65 | 76.50 | 60.68 | 57.90 | 41.94 | 61.79 | |||||||||||||
1950 | 30.90 | 46.50 | 50.23 | 57.50 | 67.58 | 72.77 | 85.00 | 85.65 | ----- | z | 60.00 | 51.97 | 48.65 | 59.70 | a | |||||||||||
1951 | 39.30 | a | 45.57 | 47.61 | 62.83 | 65.00 | 76.93 | 85.16 | 81.10 | 76.67 | 58.45 | 49.37 | 37.42 | 60.45 | ||||||||||||
1952 | 38.29 | 44.97 | 47.48 | 65.00 | 71.69 | r | 69.40 | 86.29 | 82.77 | 79.17 | 70.32 | 46.07 | 39.71 | 60.86 | a | |||||||||||
1953 | 49.35 | 47.32 | 52.13 | 56.97 | 60.74 | 65.30 | 83.97 | 78.87 | 79.41 | a | 64.26 | 54.63 | 45.71 | 61.56 | ||||||||||||
1954 | 40.55 | 51.04 | 48.52 | 60.50 | 68.23 | 67.67 | 82.68 | 74.65 | 71.07 | 60.77 | 55.13 | 43.74 | 60.38 | |||||||||||||
1955 | 41.55 | 43.61 | 47.06 | 50.57 | 62.94 | 75.17 | 78.42 | 84.19 | 73.80 | 63.68 | 45.73 | 39.23 | 58.83 | |||||||||||||
1956 | 41.58 | 40.21 | 51.58 | 62.17 | 67.65 | 70.67 | 85.03 | 80.68 | 75.50 | 59.06 | 47.40 | 48.65 | 60.85 | |||||||||||||
1957 | 29.19 | 45.32 | 50.10 | 59.47 | 67.48 | 75.97 | 79.94 | 77.29 | 76.47 | 55.32 | 48.97 | 47.32 | 59.40 | |||||||||||||
1958 | 43.68 | 51.96 | 48.84 | 57.00 | 74.29 | 74.13 | 87.03 | 87.84 | 72.30 | 68.23 | 50.90 | 48.55 | 63.73 | |||||||||||||
1959 | 43.32 | 41.75 | 54.74 | 62.33 | 61.52 | 74.93 | 86.90 | 79.39 | 68.30 | 65.48 | 54.77 | 44.39 | 61.49 | |||||||||||||
1960 | 35.52 | 43.00 | 54.42 | 61.53 | 62.90 | 80.27 | 91.23 | 81.58 | 78.03 | 64.84 | 46.63 | 41.39 | 61.78 | |||||||||||||
1961 | 44.65 | 50.14 | 50.90 | 54.17 | 59.68 | 81.07 | 86.84 | 89.32 | 70.90 | 62.13 | 47.37 | 40.77 | 61.49 | |||||||||||||
1962 | 40.90 | 44.71 | 49.42 | 65.83 | 61.32 | 76.40 | 85.00 | 80.03 | 79.53 | 63.26 | 51.80 | 47.81 | 62.17 | |||||||||||||
1963 | 41.81 | 54.64 | 53.65 | 54.53 | 68.45 | 74.00 | 79.58 | 83.42 | 81.83 | 63.61 | 49.93 | 42.06 | 62.29 | |||||||||||||
1964 | 42.74 | 49.41 | 49.90 | 57.03 | 67.26 | 73.57 | 84.87 | 80.77 | 74.87 | 65.16 | 44.87 | 39.39 | 60.82 | |||||||||||||
1965 | 40.65 | 50.11 | 54.23 | 61.40 | 66.55 | 75.67 | 85.90 | 81.32 | 72.20 | 72.19 | 52.00 | 43.06 | 62.94 | |||||||||||||
1966 | 43.16 | 45.71 | 55.13 | 63.27 | 71.65 | 74.30 | 81.19 | 84.68 | 77.50 | 66.68 | 51.17 | 43.13 | 63.13 | |||||||||||||
1967 | 43.61 | 50.82 | 49.48 | 51.63 | 69.26 | 79.43 | 90.74 | 94.35 | 83.87 | 66.16 | 49.50 | 41.65 | 64.21 | |||||||||||||
1968 | 43.61 | 48.76 | 59.52 | 61.27 | 70.10 | 80.27 | 92.84 | 78.94 | 75.67 | 65.81 | 52.93 | 41.29 | 64.25 | |||||||||||||
1969 | 32.13 | 38.39 | 52.90 | 59.17 | 71.77 | 75.90 | 83.42 | 83.16 | 75.03 | 58.39 | 52.77 | 42.81 | 60.49 | |||||||||||||
1970 | 42.29 | 48.93 | 52.68 | 54.37 | 69.65 | 79.87 | 88.45 | 87.97 | 70.60 | 64.45 | 50.73 | 42.97 | 62.75 | |||||||||||||
1971 | 47.68 | 47.61 | 47.19 | 57.37 | 65.65 | 71.10 | 86.90 | 88.68 | 70.50 | 60.00 | 50.80 | 39.65 | 61.09 | |||||||||||||
1972 | 40.29 | 48.17 | 56.74 | 55.17 | 71.52 | 78.77 | 87.19 | 87.35 | 72.80 | 60.87 | 50.67 | 35.48 | 62.09 | |||||||||||||
1973 | 39.58 | 46.86 | 52.35 | 61.73 | 72.32 | 78.47 | 89.16 | 84.19 | 75.07 | 63.10 | 44.43 | 44.97 | 62.69 | |||||||||||||
1974 | 36.03 | 48.96 | 51.65 | 57.57 | 63.90 | 82.80 | 83.35 | 85.71 | 81.40 | 65.74 | 50.07 | 43.23 | 62.53 | |||||||||||||
1975 | 43.13 | 43.61 | 46.35 | 52.40 | 66.45 | 72.77 | 86.10 | 78.94 | 79.30 | 60.45 | 47.47 | 42.39 | 59.95 | |||||||||||||
1976 | 46.10 | 46.41 | 49.77 | 55.77 | 69.16 | 73.07 | 85.42 | 76.61 | 77.77 | 67.19 | 53.60 | 48.74 | 62.47 | |||||||||||||
1977 | 40.23 | 49.96 | 49.94 | 66.30 | 59.94 | 81.40 | 83.65 | 87.71 | 69.90 | 63.10 | 47.57 | 42.06 | 61.81 | |||||||||||||
1978 | 41.19 | 47.11 | 57.00 | 56.17 | 63.58 | 76.73 | 85.13 | 80.32 | 70.50 | 67.71 | 42.93 | 36.68 | 60.42 | |||||||||||||
1979 | 24.97 | 43.29 | 53.48 | 56.97 | 70.16 | 77.57 | 86.48 | 79.55 | 80.07 | 65.10 | 43.87 | 47.26 | 60.73 | |||||||||||||
1980 | 37.90 | 44.34 | 50.48 | 61.57 | 65.77 | 69.67 | 85.61 | 80.32 | 76.37 | 64.23 | 50.67 | 48.94 | 61.32 | |||||||||||||
1981 | 39.06 | 47.75 | 52.71 | 59.10 | 64.10 | 74.10 | 82.52 | 89.39 | 76.23 | 60.35 | 49.97 | 41.13 | 61.37 | |||||||||||||
1982 | 38.10 | 45.36 | 50.65 | 55.83 | 66.13 | 75.60 | 81.42 | 83.19 | 70.47 | 59.42 | 44.67 | 38.61 | 59.12 | |||||||||||||
1983 | 46.65 | 48.00 | 52.23 | 56.93 | 69.58 | 73.33 | 78.45 | 85.32 | 72.30 | 65.48 | 48.00 | 30.10 | 60.53 | |||||||||||||
1984 | 44.32 | 48.66 | 55.06 | 54.80 | 65.55 | 72.10 | 88.19 | 86.39 | 73.27 | 56.61 | 45.53 | 38.13 | 60.72 | |||||||||||||
1985 | 37.29 | 44.39 | 52.16 | 65.63 | 69.03 | 79.40 | 91.84 | 81.84 | 67.27 | 62.45 | 38.23 | 37.19 | 60.56 | |||||||||||||
1986 | 47.00 | 45.32 | 59.48 | 58.03 | 68.90 | 82.13 | 79.52 | 89.16 | 66.90 | 66.65 | 49.87 | 40.23 | 62.77 | |||||||||||||
1987 | 43.19 | 49.43 | 53.90 | 68.07 | a | 71.48 | 81.37 | 78.65 | 84.03 | 79.90 | 71.13 | 51.33 | 38.55 | 64.25 | ||||||||||||
1988 | 40.10 | 53.38 | 55.06 | 62.37 | 66.65 | 74.90 | 86.52 | 85.52 | 77.73 | 74.32 | 47.53 | 44.29 | 64.03 | |||||||||||||
1989 | 44.13 | 36.79 | 51.81 | 64.63 | 65.77 | 78.83 | 83.61 | 79.77 | 76.17 | 63.16 | 54.97 | 50.39 | 62.50 | |||||||||||||
1990 | 44.81 | 46.79 | 56.42 | 67.17 | 65.48 | 75.70 | c | ----- | z | ----- | z | ----- | z | ----- | z | 53.23 | 37.90 | 55.94 | d | |||||||
1991 | 43.65 | 55.86 | 50.55 | 57.43 | 62.84 | 69.33 | 86.97 | 86.42 | 79.90 | 64.87 | 48.37 | 41.84 | 62.33 | |||||||||||||
1992 | 45.39 | 49.66 | 58.39 | 60.93 | 75.45 | 79.93 | 81.61 | 85.13 | 75.18 | b | 64.71 | 47.97 | 34.71 | 63.25 | ||||||||||||
1993 | 28.45 | 34.57 | 50.87 | 55.57 | 69.42 | 70.50 | 72.87 | a | 79.06 | 77.90 | 64.97 | 44.77 | 40.71 | 57.47 | ||||||||||||
1994 | 48.16 | 43.82 | 55.58 | 60.67 | 67.71 | 74.30 | 88.00 | 83.70 | d | 78.53 | 61.03 | 42.53 | 42.00 | 62.17 | ||||||||||||
1995 | 40.94 | 51.50 | 51.06 | 55.87 | 66.32 | 71.30 | 80.77 | 79.55 | 77.57 | 61.81 | 54.00 | 42.54 | r | 62.79 | a | |||||||||||
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.17 | ----- | z | ----- | z | ----- | z | 73.17 | k | |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.87 | 86.81 | d | 89.32 | 79.63 | 66.10 | 54.81 | c | 45.12 | f | 75.76 | f | ||||
1998 | 45.43 | c | 48.88 | b | 56.67 | a | 61.86 | a | 64.25 | c | 79.86 | b | 93.10 | a | 92.63 | a | 85.90 | 66.80 | a | 51.63 | 44.38 | b | 65.95 | |||
1999 | 48.90 | 49.62 | g | 54.43 | c | 62.79 | b | 70.07 | d | 81.04 | d | 89.64 | c | 90.00 | 83.19 | c | 73.68 | c | 59.63 | c | 46.74 | 69.10 | a | |||
2000 | 44.24 | b | 51.09 | f | 57.62 | b | 69.59 | c | 66.20 | a | 79.43 | 83.48 | 84.68 | 74.83 | 60.16 | 41.20 | 40.77 | 63.84 | a | |||||||
2001 | 41.39 | 42.61 | 54.84 | 56.13 | 75.10 | 73.33 | 82.77 | 87.84 | 79.67 | 64.68 | 51.93 | 38.77 | 62.42 | |||||||||||||
2002 | 41.94 | 50.36 | 51.19 | 61.57 | 67.16 | 79.40 | 89.52 | 82.90 | 77.13 | 61.42 | 54.00 | 42.39 | 63.25 | |||||||||||||
2003 | 48.81 | 47.29 | 56.26 | 55.80 | 66.48 | 80.53 | 92.13 | 86.32 | 80.20 | 67.03 | 44.97 | 42.45 | 64.02 | |||||||||||||
2004 | 40.06 | 45.72 | 59.55 | 63.70 | 66.32 | 77.63 | 88.39 | 85.65 | 73.53 | 63.58 | 51.03 | 45.94 | 63.43 | |||||||||||||
2005 | 43.42 | 48.89 | 57.10 | 57.90 | 66.32 | 72.57 | 89.10 | 87.97 | 74.80 | 64.65 | 45.77 | 38.42 | 62.24 | |||||||||||||
2006 | 46.35 | 45.82 | 48.77 | 60.10 | 70.48 | 77.37 | 90.00 | 85.19 | 78.97 | 63.74 | 49.47 | 44.77 | 63.42 | |||||||||||||
2007 | 40.90 | 47.82 | 60.06 | 60.13 | 71.87 | 76.93 | 89.87 | 84.00 | 74.20 | 60.94 | 50.33 | 41.55 | 63.22 | |||||||||||||
2008 | 40.03 | 49.76 | 51.06 | 55.67 | 67.97 | 76.53 | 87.19 | 84.10 | 78.73 | 64.10 | 56.03 | 39.45 | 62.55 | |||||||||||||
2009 | 43.97 | 46.64 | 48.55 | 59.00 | 70.81 | 75.87 | 89.58 | 85.48 | 80.10 | 57.16 | 50.67 | 37.90 | 62.14 | |||||||||||||
2010 | 45.71 | 48.93 | 54.90 | 56.03 | 61.48 | 72.37 | 86.55 | 83.42 | 75.33 | 64.23 | 48.20 | 41.58 | 61.56 | |||||||||||||
2011 | 46.35 | 43.57 | 50.74 | 53.40 | 61.16 | 72.10 | 81.61 | 86.58 | 83.57 | 63.45 | 50.33 | 47.58 | 61.70 | |||||||||||||
2012 | 47.23 | 45.14 | 51.48 | 60.87 | 68.13 | 71.47 | 85.77 | 88.77 | 81.43 | 63.77 | 51.23 | 40.71 | 63.00 | |||||||||||||
2013 | 42.23 | 48.11 | 54.74 | 60.10 | 70.03 | 77.03 | 90.77 | 85.94 | 74.63 | 60.77 | 49.63 | 42.00 | 63.00 | |||||||||||||
2014 | 47.48 | 40.04 | 55.87 | 60.87 | 70.13 | 75.37 | 90.48 | 84.81 | 77.43 | 68.10 | 45.50 | 41.87 | 63.16 | |||||||||||||
2015 | 48.10 | 53.07 | 61.48 | 60.53 | 69.00 | 84.97 | 87.03 | 86.58 | 75.10 | 68.29 | 46.10 | 39.83 | g | 67.30 | a | |||||||||||
2016 | 43.23 | 55.38 | 54.03 | 67.83 | 70.00 | 79.53 | 84.39 | 87.48 | 75.60 | 61.00 | 56.83 | 35.77 | 64.26 | |||||||||||||
2017 | 31.19 | 44.11 | 55.39 | 56.90 | 71.97 | 79.53 | 91.13 | 91.19 | 77.30 | 62.35 | 51.47 | 40.06 | 62.72 | |||||||||||||
2018 | 46.26 | 47.61 | 53.94 | 61.37 | 75.06 | 79.77 | 92.42 | 87.55 | 76.33 | 65.23 | 53.77 | 44.29 | 65.30 | |||||||||||||
2019 | 46.90 | 38.04 | 46.48 | 61.00 | 70.68 | 79.13 | 85.45 | 88.87 | 73.47 | 60.81 | 53.93 | 44.48 | 62.44 | |||||||||||||
2020 | 48.35 | 52.10 | 53.16 | 64.47 | 70.65 | 76.87 | 88.55 | 88.81 | 83.23 | 70.48 | 53.33 | 46.77 | 66.40 | |||||||||||||
2021 | 47.48 | 45.57 | 55.90 | 65.47 | 71.16 | 86.63 | 93.13 | 87.45 | 79.37 | 63.16 | 56.90 | 45.03 | 66.44 | |||||||||||||
2022 | 49.39 | 53.04 | 57.90 | 56.47 | 66.03 | a | 77.03 | 92.90 | 92.97 | 81.10 | 72.65 | 46.33 | 39.77 | 65.47 | ||||||||||||
2023 | 45.71 | 47.50 | 47.42 | 60.47 | 73.19 | 81.17 | 91.61 | 88.48 | 75.70 | 66.84 | 52.20 | 49.45 | 64.98 | |||||||||||||
2024 | 43.03 | 48.00 | 55.06 | 60.27 | 63.64 | t | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.59 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.04 | 46.91 | 52.90 | 59.72 | 67.72 | 76.27 | 86.13 | 84.64 | 76.31 | 64.07 | 49.90 | 42.25 | 62.33 | |||||||||||||
S.D. | 5.24 | 4.14 | 3.59 | 4.13 | 3.75 | 4.07 | 4.15 | 4.06 | 4.04 | 3.85 | 4.10 | 3.96 | 1.76 | |||||||||||||
SKEW | -1.18 | -0.44 | 0.20 | 0.19 | -0.16 | -0.14 | -0.45 | -0.07 | -0.11 | 0.44 | -0.21 | -0.14 | 0.04 | |||||||||||||
MAX | 49.39 | 55.86 | 61.48 | 69.59 | 75.45 | 86.63 | 93.13 | 94.35 | 85.90 | 74.32 | 59.63 | 50.39 | 66.44 | |||||||||||||
MIN | 24.97 | 34.57 | 46.35 | 50.57 | 59.68 | 65.30 | 72.87 | 74.65 | 66.90 | 55.32 | 38.23 | 30.10 | 57.47 | |||||||||||||
YRS | 74 | 72 | 74 | 74 | 73 | 75 | 73 | 74 | 74 | 74 | 74 | 71 | 66 |