YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | 63.63 | 69.23 | a | 76.50 | 84.45 | 82.29 | 78.73 | 65.06 | 47.20 | 43.55 | 67.85 | c | ||||||||
1949 | 32.52 | 43.07 | 50.35 | 58.20 | 67.77 | 74.90 | 83.61 | 83.03 | 75.97 | 60.68 | 61.70 | 44.90 | 61.39 | |||||||||||||
1950 | 45.52 | 50.54 | 49.90 | 59.67 | 66.65 | 78.70 | 78.42 | 80.48 | 69.93 | 72.81 | 52.57 | 48.65 | 62.82 | |||||||||||||
1951 | 38.68 | 47.04 | 47.13 | 53.60 | 68.55 | 71.53 | 85.35 | 81.00 | 73.37 | 60.81 | 49.60 | 43.10 | 59.98 | |||||||||||||
1952 | 47.77 | 45.24 | 43.97 | 58.03 | 66.94 | 84.83 | 84.06 | 83.23 | 76.50 | 66.39 | 43.47 | 44.65 | 62.09 | |||||||||||||
1953 | 52.13 | 44.14 | 54.45 | 54.50 | 63.10 | 81.87 | 85.35 | 80.68 | 78.93 | 64.45 | 53.73 | 43.23 | 63.05 | |||||||||||||
1954 | 49.19 | 56.43 | 47.26 | 67.07 | 66.71 | 83.83 | 88.52 | 85.19 | 80.03 | 65.52 | 56.80 | 49.23 | 66.31 | |||||||||||||
1955 | 40.68 | 41.29 | 51.60 | a | 62.83 | 69.68 | 76.20 | 88.29 | 84.32 | 76.53 | 69.06 | 50.28 | a | 49.58 | 63.36 | |||||||||||
1956 | 45.16 | 39.48 | 52.10 | 57.73 | 72.13 | 87.07 | 84.65 | 82.13 | 81.07 | 69.74 | 49.03 | 48.39 | 64.06 | |||||||||||||
1957 | 40.29 | 53.14 | 49.29 | 50.40 | 62.58 | 77.87 | 84.84 | 83.84 | 75.10 | 62.58 | 44.37 | 53.42 | 61.48 | |||||||||||||
1958 | 47.52 | 50.07 | 41.71 | 55.73 | 74.45 | 80.77 | 83.19 | 85.71 | 78.13 | 66.45 | 55.97 | 49.13 | 64.07 | |||||||||||||
1959 | 43.71 | 44.18 | 50.42 | 58.27 | 69.87 | 83.40 | 86.16 | 85.61 | 73.53 | 59.23 | 53.13 | 48.68 | 63.02 | |||||||||||||
1960 | 41.71 | 33.03 | 48.29 | 62.97 | 68.45 | 80.07 | 83.29 | 85.84 | 78.27 | 64.06 | 53.43 | 40.48 | 61.66 | |||||||||||||
1961 | 46.13 | 46.64 | 47.55 | 58.33 | 68.29 | 77.03 | 82.26 | 81.61 | 67.73 | 63.61 | 47.33 | 37.68 | 60.35 | |||||||||||||
1962 | 36.03 | 45.89 | a | 46.68 | 61.97 | 74.19 | 76.30 | 83.10 | 87.39 | 76.27 | 67.68 | 51.93 | 47.81 | 62.94 | ||||||||||||
1963 | 35.87 | 52.04 | 51.90 | 65.67 | 74.94 | 84.43 | 90.32 | 81.52 | 78.20 | 72.00 | 56.03 | 40.39 | 65.28 | |||||||||||||
1964 | 43.42 | 38.83 | 43.03 | 60.13 | 71.77 | 78.67 | 90.39 | 84.61 | 75.43 | 68.10 | 50.43 | 44.61 | 62.45 | |||||||||||||
1965 | 47.42 | 40.54 | 36.81 | 61.07 | 68.10 | 74.37 | 81.81 | 77.97 | 67.20 | 67.61 | 57.30 | 46.65 | 60.57 | |||||||||||||
1966 | 37.19 | 38.71 | 56.10 | 59.07 | 72.06 | 80.47 | 88.23 | 79.23 | 76.24 | a | 62.90 | 54.23 | 42.48 | 62.24 | ||||||||||||
1967 | 47.77 | 48.00 | 57.52 | 62.10 | 64.97 | 73.67 | 81.03 | 78.29 | 73.23 | 65.16 | 53.53 | 35.81 | 61.76 | |||||||||||||
1968 | 42.55 | 44.24 | 51.68 | 56.20 | 64.87 | 82.83 | 81.29 | 78.68 | 74.90 | 66.55 | 44.67 | 43.10 | 60.96 | |||||||||||||
1969 | 46.81 | 46.82 | 41.10 | 62.60 | 69.16 | 72.10 | 85.32 | 83.81 | 75.00 | 52.29 | 49.97 | 43.13 | 60.68 | |||||||||||||
1970 | 39.97 | 51.46 | 44.00 | 56.20 | 73.42 | 78.90 | 84.32 | 83.68 | 71.33 | 55.19 | 50.37 | 46.71 | 61.30 | |||||||||||||
1971 | 41.77 | 40.89 | 52.32 | 57.57 | 65.97 | 82.23 | 80.87 | 81.52 | 69.27 | 62.52 | 51.53 | 42.32 | 60.73 | |||||||||||||
1972 | 44.35 | 50.17 | 58.03 | 62.40 | 68.84 | 81.70 | 82.23 | a | 80.03 | 72.53 | 60.39 | 39.50 | 34.68 | 61.24 | ||||||||||||
1973 | 34.74 | 43.07 | 45.42 | 52.13 | 64.29 | 79.47 | 80.74 | 84.26 | 70.80 | 66.16 | 53.13 | 43.97 | 59.85 | |||||||||||||
1974 | 39.06 | 47.89 | 55.58 | 59.20 | 75.03 | 80.90 | 87.29 | 81.52 | 71.43 | 65.29 | 51.27 | 40.26 | 62.89 | |||||||||||||
1975 | 42.65 | 42.61 | 48.52 | 57.50 | 67.84 | 78.73 | 84.87 | 84.10 | 73.03 | 67.71 | 49.47 | 48.13 | 62.10 | |||||||||||||
1976 | 44.19 | 51.31 | 50.06 | 61.10 | 66.97 | 78.60 | 86.23 | 81.29 | 71.00 | 58.65 | 48.97 | 46.84 | 62.10 | |||||||||||||
1977 | 40.23 | 48.36 | 50.42 | 60.43 | 71.87 | 81.37 | 84.48 | 80.19 | 78.47 | 65.61 | 51.57 | 47.39 | 63.37 | |||||||||||||
1978 | 35.35 | 38.25 | 54.00 | 62.07 | 64.68 | 79.37 | 87.23 | 80.90 | 77.00 | 65.35 | 47.27 | 33.74 | 60.43 | |||||||||||||
1979 | 27.16 | 44.57 | 48.55 | 61.27 | 65.39 | 77.63 | 84.23 | 80.65 | 78.37 | 65.42 | 43.40 | 45.74 | 60.20 | |||||||||||||
1980 | 37.77 | 46.07 | 48.00 | 56.93 | 64.84 | 83.93 | 89.74 | 83.87 | 76.20 | 64.45 | 52.10 | 52.97 | 63.07 | |||||||||||||
1981 | 48.48 | 49.93 | 50.68 | 68.43 | 66.61 | 83.77 | 84.97 | 78.29 | 76.07 | 63.26 | 56.97 | 45.68 | 64.43 | |||||||||||||
1982 | 42.16 | 41.43 | 50.94 | 60.00 | 64.84 | 72.27 | 84.16 | 79.77 | 70.13 | 61.48 | 48.93 | 41.71 | 59.82 | |||||||||||||
1983 | 44.03 | 45.00 | 45.87 | 51.47 | 62.74 | 74.73 | 87.19 | 85.61 | 79.13 | 65.48 | 49.73 | 28.90 | 59.99 | |||||||||||||
1984 | 37.74 | 46.41 | 46.81 | 54.07 | 73.32 | 79.33 | 85.29 | 80.52 | 72.60 | 52.81 | 51.53 | 45.29 | 60.48 | |||||||||||||
1985 | 36.58 | 39.00 | 51.03 | 62.23 | 69.52 | 79.83 | 84.16 | 84.16 | 70.87 | 63.23 | 42.93 | 40.10 | 60.30 | |||||||||||||
1986 | 53.03 | 47.71 | 58.71 | 62.20 | 68.68 | 79.23 | 84.65 | 80.42 | 71.90 | 60.39 | 49.80 | 41.55 | 63.19 | |||||||||||||
1987 | 41.10 | 43.61 | 46.97 | 63.00 | 67.90 | 78.73 | 85.94 | 78.65 | 73.73 | 64.81 | 51.83 | 40.13 | 61.37 | |||||||||||||
1988 | 36.23 | 44.79 | 49.42 | 63.47 | 70.45 | 82.70 | 85.32 | 84.58 | 74.67 | 67.61 | 52.93 | 41.84 | 62.83 | |||||||||||||
1989 | 45.71 | 31.71 | 59.52 | 62.87 | 71.06 | 75.00 | 85.90 | 81.65 | 73.97 | 63.68 | 56.80 | 39.00 | 62.24 | |||||||||||||
1990 | 46.29 | 43.71 | 50.35 | 59.47 | 66.84 | 85.80 | 80.16 | 81.58 | 77.67 | 63.48 | 56.93 | 37.71 | 62.50 | |||||||||||||
1991 | 40.68 | 52.64 | 52.26 | 58.60 | 72.10 | 80.53 | 83.19 | 81.10 | 74.13 | 65.10 | 43.43 | 41.26 | 62.09 | |||||||||||||
1992 | 44.58 | 50.00 | 53.52 | 66.80 | 70.42 | 74.97 | 81.58 | 80.35 | 78.27 | 67.23 | 42.30 | 41.26 | 62.61 | |||||||||||||
1993 | 38.39 | 40.61 | 52.65 | 58.93 | 68.06 | 79.30 | 84.71 | 79.23 | 72.40 | 60.55 | 44.23 | 44.58 | 60.30 | |||||||||||||
1994 | 44.81 | 45.64 | 54.48 | 57.97 | 69.97 | 83.43 | 84.39 | 83.32 | 76.67 | 60.87 | 49.07 | 46.16 | 63.06 | |||||||||||||
1995 | 44.00 | 49.71 | 51.42 | 52.47 | 59.81 | 72.67 | 81.35 | 86.29 | 71.27 | 64.97 | 56.40 | 46.23 | 61.38 | |||||||||||||
1996 | 42.90 | 48.79 | 49.16 | 60.63 | 73.68 | 79.70 | 82.68 | 80.74 | 70.13 | 62.84 | 51.53 | 46.90 | 62.47 | |||||||||||||
1997 | 39.10 | 41.68 | 56.61 | 51.60 | 66.32 | 76.90 | 85.42 | 78.35 | 74.53 | 62.19 | 45.23 | 41.94 | 59.99 | |||||||||||||
1998 | 46.42 | 42.43 | 48.58 | 55.23 | 73.23 | 78.57 | 83.48 | 80.10 | 80.03 | 62.74 | 53.40 | 41.39 | 62.13 | |||||||||||||
1999 | 46.32 | 54.18 | 56.13 | 53.23 | 66.48 | 76.17 | 84.81 | 80.81 | 70.20 | 66.29 | 59.97 | 46.10 | 63.39 | |||||||||||||
2000 | 45.13 | 51.14 | 50.84 | 63.83 | 75.03 | 78.43 | 86.10 | 85.29 | 76.47 | 61.90 | 42.17 | 41.29 | 63.13 | |||||||||||||
2001 | 39.16 | 41.57 | 48.23 | 63.20 | 68.19 | 81.17 | 87.94 | 83.90 | 78.30 | 66.19 | 53.93 | 45.03 | 63.07 | |||||||||||||
2002 | 42.68 | 47.04 | 51.35 | 65.73 | 71.61 | 85.77 | 88.61 | 84.97 | 75.57 | 56.35 | 49.70 | 43.81 | 63.60 | |||||||||||||
2003 | 48.65 | 37.68 | 53.06 | 62.93 | 70.48 | 73.70 | 91.74 | 85.23 | 72.73 | 68.94 | 49.90 | 47.65 | 63.56 | |||||||||||||
2004 | 43.35 | 41.24 | 58.55 | 57.57 | 73.74 | 75.43 | 79.58 | 76.42 | 75.60 | 64.74 | 47.10 | 46.71 | 61.67 | |||||||||||||
2005 | 46.23 | 47.18 | 51.10 | 60.03 | 69.90 | 80.57 | 89.32 | 80.26 | 79.37 | 64.19 | 56.30 | 41.58 | 63.84 | |||||||||||||
2006 | 49.03 | 44.86 | 52.48 | 66.93 | 73.42 | 85.00 | 85.03 | 79.74 | 69.23 | 60.16 | 54.73 | 42.26 | 63.57 | |||||||||||||
2007 | 36.68 | 46.68 | 58.06 | 57.17 | 67.74 | 79.60 | 86.29 | 86.52 | 78.90 | 67.84 | 56.90 | 38.84 | 63.43 | |||||||||||||
2008 | 39.35 | 47.03 | 51.81 | 60.30 | 69.87 | 81.40 | 89.58 | 81.23 | 73.47 | 65.52 | 55.13 | 43.29 | 63.16 | |||||||||||||
2009 | 47.42 | 50.71 | 56.52 | 58.53 | 69.77 | 76.17 | 82.45 | 81.26 | 72.73 | 55.23 | 55.27 | 33.87 | 61.66 | |||||||||||||
2010 | 44.29 | 37.82 | 53.61 | 61.17 | 68.84 | 84.83 | 86.74 | 84.39 | 83.23 | 67.94 | 52.57 | 47.58 | 64.42 | |||||||||||||
2011 | 43.13 | 42.54 | 57.19 | 62.40 | 67.26 | 86.33 | 89.26 | 88.29 | 75.33 | 64.81 | 54.13 | 41.87 | 64.38 | |||||||||||||
2012 | 50.58 | 43.66 | 63.74 | 66.53 | 74.13 | 89.23 | 89.13 | 85.71 | 76.83 | 63.32 | 58.53 | 44.58 | 67.17 | |||||||||||||
2013 | 44.68 | 41.25 | 52.26 | 56.50 | 69.45 | 85.43 | 84.74 | 83.68 | 77.77 | 61.74 | 53.07 | 42.16 | 62.73 | |||||||||||||
2014 | 45.16 | 44.39 | 54.16 | 61.50 | 70.48 | 82.07 | 83.26 | 81.58 | 77.77 | 67.26 | 50.80 | 44.32 | 63.56 | |||||||||||||
2015 | 44.94 | 46.07 | 57.42 | 62.03 | 62.77 | 81.20 | 82.77 | 85.39 | 82.37 | 67.68 | 52.67 | 45.19 | 64.21 | |||||||||||||
2016 | 45.65 | 50.62 | 55.58 | 59.37 | 67.74 | 85.53 | 89.26 | 82.06 | 80.10 | 73.61 | 59.17 | 43.94 | 66.05 | |||||||||||||
2017 | 42.90 | 53.68 | 61.97 | 61.07 | 68.45 | 83.83 | 86.94 | 80.42 | 75.63 | 65.10 | 59.47 | 48.35 | 65.65 | |||||||||||||
2018 | 50.23 | 45.68 | 57.97 | 61.37 | 76.97 | 87.10 | 86.35 | 81.87 | 80.97 | 59.71 | 50.33 | 44.90 | 65.29 | |||||||||||||
2019 | 46.94 | 46.71 | 49.39 | 63.30 | 63.81 | 79.07 | 88.29 | 88.26 | 84.03 | 58.10 | 51.03 | a | 46.81 | 63.81 | ||||||||||||
2020 | 47.81 | 41.79 | 56.71 | 61.67 | 74.10 | 85.60 | 89.19 | 89.65 | 78.70 | 66.77 | 58.67 | 46.71 | 66.45 | |||||||||||||
2021 | 43.55 | 38.07 | 51.97 | 61.00 | 67.84 | 83.87 | 85.84 | 89.19 | 83.20 | 67.71 | 60.73 | 55.10 | 65.67 | |||||||||||||
2022 | 48.61 | 42.21 | 54.71 | 67.47 | 73.06 | 82.50 | 89.29 | 85.10 | 82.13 | 66.61 | 50.27 | 45.13 | 65.59 | |||||||||||||
2023 | 42.00 | 48.96 | 51.48 | 61.63 | 70.29 | 75.63 | 86.19 | 85.29 | 80.33 | 66.74 | 56.80 | 50.19 | 64.63 | |||||||||||||
2024 | 42.74 | 51.10 | 54.90 | 62.83 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.58 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.09 | 45.30 | 51.63 | 60.03 | 69.09 | 80.04 | 85.26 | 82.63 | 75.64 | 64.17 | 51.69 | 43.95 | 62.70 | |||||||||||||
S.D. | 4.72 | 4.87 | 4.84 | 4.00 | 3.54 | 4.06 | 2.83 | 2.84 | 3.84 | 4.06 | 4.85 | 4.49 | 1.76 | |||||||||||||
SKEW | -0.58 | -0.22 | -0.23 | -0.30 | -0.08 | -0.07 | 0.02 | 0.30 | -0.01 | -0.62 | -0.28 | -0.51 | 0.34 | |||||||||||||
MAX | 53.03 | 56.43 | 63.74 | 68.43 | 76.97 | 89.23 | 91.74 | 89.65 | 84.03 | 73.61 | 61.70 | 55.10 | 67.17 | |||||||||||||
MIN | 27.16 | 31.71 | 36.81 | 50.40 | 59.81 | 71.53 | 78.42 | 76.42 | 67.20 | 52.29 | 39.50 | 28.90 | 59.82 | |||||||||||||
YRS | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 75 |