YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1938 | ----- | z | ----- | z | ----- | z | 77.37 | 85.81 | 92.30 | 90.45 | 91.58 | 84.53 | 80.87 | 64.30 | 60.77 | 80.89 | c | |||||||||
1939 | 56.77 | 57.04 | 70.74 | 78.40 | 87.16 | 95.60 | 92.90 | 91.13 | 87.97 | 76.48 | 61.73 | 61.58 | 76.46 | |||||||||||||
1940 | 53.19 | 60.97 | 70.26 | 75.87 | 85.61 | 90.27 | 93.77 | 90.26 | 88.20 | 78.87 | 62.07 | 61.10 | 75.87 | |||||||||||||
1941 | 55.39 | 63.39 | 64.90 | 72.33 | 85.71 | 90.20 | 91.26 | 89.87 | 84.17 | 75.45 | 65.30 | 58.87 | 74.74 | |||||||||||||
1942 | 59.61 | 59.25 | 66.81 | 75.87 | 87.19 | 96.20 | 94.65 | 89.45 | 85.67 | 75.87 | 71.63 | 60.74 | 76.91 | |||||||||||||
1943 | 56.03 | 66.18 | 70.19 | 82.63 | 88.42 | 94.00 | 93.23 | 96.61 | 86.40 | 77.77 | 66.33 | 54.29 | 77.67 | |||||||||||||
1944 | 54.55 | 61.45 | 67.58 | 75.70 | 84.48 | 92.83 | 95.03 | 92.32 | 84.40 | 78.19 | 62.70 | 57.48 | 75.56 | |||||||||||||
1945 | 58.45 | 65.32 | 67.71 | 75.20 | 86.48 | 92.30 | 93.26 | 93.90 | 88.53 | 76.06 | 69.90 | 57.87 | 77.08 | |||||||||||||
1946 | 51.87 | 63.14 | 69.65 | 81.23 | 83.81 | 96.43 | 94.13 | 93.39 | 88.07 | 79.19 | 63.63 | 59.16 | 76.98 | |||||||||||||
1947 | 50.87 | 63.57 | 68.26 | 75.33 | 87.52 | 93.20 | 96.29 | 91.19 | 90.00 | 81.84 | 61.00 | 55.39 | 76.20 | |||||||||||||
1948 | 55.03 | 62.10 | 63.77 | 82.13 | 88.65 | 95.23 | 95.81 | 94.52 | 88.00 | 76.32 | 62.73 | 58.61 | 76.91 | |||||||||||||
1949 | 44.35 | 60.93 | 71.23 | 75.90 | 86.52 | 94.53 | 93.77 | 92.29 | 86.03 | 75.00 | 71.23 | 55.68 | 75.62 | |||||||||||||
1950 | 61.74 | 67.07 | 71.77 | 79.53 | 85.23 | 96.37 | 90.84 | 93.77 | 86.73 | 85.45 | 70.27 | 65.23 | 79.50 | |||||||||||||
1951 | 58.32 | 61.93 | 67.52 | 74.73 | 87.81 | 95.27 | 98.52 | 94.42 | 92.00 | 80.58 | 64.10 | 57.81 | 77.75 | |||||||||||||
1952 | 62.71 | 60.38 | 63.71 | 74.97 | 85.19 | 95.13 | 93.35 | 95.81 | 89.40 | 81.87 | 62.00 | 57.16 | 76.81 | |||||||||||||
1953 | 64.13 | 61.79 | 70.81 | 76.27 | 82.10 | 97.83 | 95.32 | 94.29 | 90.77 | 78.10 | 67.93 | 53.32 | 77.72 | |||||||||||||
1954 | 61.39 | 67.71 | 67.74 | 82.57 | 86.32 | 94.40 | 95.61 | 90.71 | 90.40 | 80.90 | 69.97 | 60.81 | 79.04 | |||||||||||||
1955 | 53.74 | 59.57 | 69.26 | 78.17 | 83.55 | 92.90 | 90.77 | 91.65 | 90.57 | 79.61 | 67.40 | 63.16 | 76.70 | |||||||||||||
1956 | 62.39 | 58.00 | 72.61 | 75.30 | 90.61 | 97.17 | 93.94 | 91.94 | 91.73 | 81.55 | 63.13 | 56.77 | 77.93 | |||||||||||||
1957 | 60.61 | 69.96 | 68.52 | 75.37 | 81.84 | 94.70 | 96.13 | 91.52 | 87.13 | 72.06 | 59.70 | 60.23 | 76.48 | |||||||||||||
1958 | 53.97 | 63.68 | 60.87 | 76.03 | 87.35 | 96.47 | 96.71 | 94.71 | 83.93 | 71.74 | 66.60 | 62.03 | 76.17 | |||||||||||||
1959 | 62.13 | 61.68 | 68.26 | 78.47 | 87.68 | 97.37 | 95.71 | 93.48 | 91.20 | 80.00 | 64.17 | 58.61 | 78.23 | |||||||||||||
1960 | 54.94 | 58.66 | 74.26 | 80.37 | 87.35 | 99.80 | 93.71 | 94.94 | 88.87 | 77.42 | 67.83 | 49.90 | 77.34 | |||||||||||||
1961 | 53.71 | 62.57 | 70.16 | 79.53 | 89.71 | 95.73 | 95.35 | 93.10 | 86.33 | 79.55 | 59.07 | 58.10 | 76.91 | |||||||||||||
1962 | 54.00 | 66.57 | 63.94 | 81.70 | 89.00 | 95.13 | 92.58 | 97.61 | 83.90 | 79.13 | 67.77 | 56.84 | 77.35 | |||||||||||||
1963 | 54.45 | 63.36 | 71.26 | 80.60 | 90.39 | 95.13 | 96.90 | 91.16 | 87.80 | 80.32 | 65.90 | 56.35 | 77.80 | |||||||||||||
1964 | 53.35 | 56.21 | 66.87 | 76.90 | 88.45 | 95.33 | 96.55 | 94.45 | 86.40 | 78.26 | 66.10 | 55.13 | 76.17 | |||||||||||||
1965 | 59.29 | 58.89 | 65.52 | 80.00 | 86.23 | 92.13 | 96.84 | 93.39 | 85.13 | 78.87 | 71.13 | 57.03 | 77.04 | |||||||||||||
1966 | 52.48 | 55.32 | 70.77 | 78.07 | 87.45 | 92.43 | 95.65 | 89.94 | 85.40 | 77.87 | 69.70 | 57.58 | 76.06 | |||||||||||||
1967 | 58.94 | 62.89 | 76.03 | 80.27 | 86.00 | 92.37 | 94.42 | 90.06 | 84.73 | 79.03 | 66.07 | 52.29 | 76.93 | |||||||||||||
1968 | 54.03 | 62.41 | 64.39 | 74.97 | 87.16 | 95.77 | 89.97 | 87.19 | 87.33 | 82.06 | 63.67 | 56.29 | 75.44 | |||||||||||||
1969 | 62.16 | 62.50 | 64.52 | 81.17 | 88.77 | 96.00 | 97.00 | 97.97 | 89.60 | 79.48 | 65.07 | 61.06 | 78.78 | |||||||||||||
1970 | 61.19 | 65.32 | 68.71 | 78.10 | 88.03 | 93.90 | 96.06 | 94.61 | 86.30 | 73.52 | 68.67 | 64.42 | 78.24 | |||||||||||||
1971 | 61.10 | 63.68 | 73.58 | 77.13 | 86.10 | 95.33 | 94.42 | 88.45 | 86.77 | 74.84 | 65.40 | 56.39 | 76.93 | |||||||||||||
1972 | 59.81 | 69.41 | 77.42 | 82.83 | 85.10 | 91.33 | 94.52 | 88.45 | 83.63 | 78.74 | 62.90 | 60.58 | 77.89 | |||||||||||||
1973 | 55.23 | 60.36 | 65.65 | 74.10 | 84.10 | 93.37 | 94.06 | 95.65 | 93.13 | 82.74 | 72.07 | 62.48 | 77.74 | |||||||||||||
1974 | 59.32 | 63.04 | 76.16 | 80.60 | 90.94 | 98.67 | 92.48 | 89.03 | 81.50 | 75.68 | 63.53 | 54.71 | 77.14 | |||||||||||||
1975 | 56.90 | 62.89 | 70.16 | 76.73 | 87.61 | 98.37 | 93.74 | 96.52 | 87.00 | 81.81 | 69.10 | 59.97 | 78.40 | |||||||||||||
1976 | 57.03 | 68.59 | 71.74 | 80.07 | 84.06 | 95.57 | 90.71 | 94.32 | 84.20 | 71.94 | 58.70 | 56.19 | 76.09 | |||||||||||||
1977 | 56.29 | 63.96 | 65.23 | 77.13 | 86.06 | 98.57 | 97.00 | 94.94 | 91.60 | 77.48 | 69.07 | 62.97 | 78.36 | |||||||||||||
1978 | 56.77 | 60.71 | 72.81 | 80.90 | 88.19 | 99.37 | 97.42 | 91.84 | 83.00 | 77.97 | 67.10 | 56.32 | 77.70 | |||||||||||||
1979 | 51.74 | 60.96 | 69.23 | 80.93 | 85.68 | 95.33 | 100.06 | 92.35 | 89.80 | 85.19 | 62.80 | 58.74 | 77.74 | |||||||||||||
1980 | 59.94 | 64.03 | 69.10 | 77.83 | 86.94 | 103.87 | 101.81 | 94.87 | 87.33 | 74.35 | 64.03 | 65.26 | 79.11 | |||||||||||||
1981 | 56.58 | 66.68 | 70.84 | 78.53 | 86.97 | 98.33 | 96.94 | 91.23 | 88.50 | 78.39 | 72.40 | 64.48 | 79.16 | |||||||||||||
1982 | 57.00 | 63.43 | 73.10 | 78.30 | 85.55 | 98.00 | 98.52 | 96.94 | 90.43 | 80.10 | 64.43 | 53.06 | 78.24 | |||||||||||||
1983 | 53.74 | 62.36 | 67.65 | 69.97 | 85.13 | 94.80 | 97.35 | 95.87 | 91.80 | 78.74 | 67.13 | 59.84 | 77.03 | |||||||||||||
1984 | 58.61 | 64.21 | 71.90 | 78.13 | 90.45 | 92.03 | 94.16 | 91.26 | 87.43 | 72.58 | 64.77 | 56.55 | 76.84 | |||||||||||||
1985 | 52.23 | 60.54 | 69.65 | 79.93 | 87.52 | 95.23 | 94.10 | 94.16 | 85.33 | 73.77 | 66.90 | 60.32 | 76.64 | |||||||||||||
1986 | 62.32 | 65.61 | 70.90 | 82.23 | 86.45 | 90.67 | 93.03 | 92.90 | 87.97 | 76.74 | 61.63 | 53.90 | 77.03 | |||||||||||||
1987 | 57.19 | 61.50 | 66.65 | 75.50 | 83.87 | 93.40 | 95.48 | 92.00 | 85.57 | 82.03 | 66.57 | 55.00 | 76.23 | |||||||||||||
1988 | 56.94 | 63.72 | 70.23 | 77.63 | 87.35 | 94.47 | 93.39 | 88.52 | 87.37 | 82.03 | 69.60 | 56.29 | 77.29 | |||||||||||||
1989 | 58.35 | 64.93 | 74.94 | 84.97 | 90.32 | 97.67 | 95.26 | 91.45 | 88.17 | 79.90 | 68.93 | 56.81 | 79.31 | |||||||||||||
1990 | 59.29 | 63.96 | 70.94 | 80.97 | 87.03 | 101.50 | 92.42 | 88.87 | 86.23 | 79.23 | 66.70 | 57.84 | 77.91 | |||||||||||||
1991 | 56.35 | 64.43 | 68.32 | 79.40 | 89.16 | 95.20 | 90.74 | 92.06 | 83.47 | 81.71 | 63.97 | 56.77 | 76.80 | |||||||||||||
1992 | 55.10 | 63.55 | 72.39 | 83.53 | 83.35 | 97.07 | 98.71 | 94.39 | 92.07 | 81.68 | 62.20 | 54.87 | 78.24 | |||||||||||||
1993 | 58.03 | 63.25 | 72.32 | 81.30 | 89.19 | 97.27 | 96.81 | 95.19 | 89.47 | 78.87 | 66.63 | 60.32 | 79.05 | |||||||||||||
1994 | 60.77 | 64.71 | 71.97 | 81.60 | 90.13 | 103.27 | 101.35 | 99.42 | 92.03 | 80.23 | 67.13 | 61.32 | 81.16 | |||||||||||||
1995 | 58.87 | 69.25 | 72.52 | 79.23 | 87.84 | 94.73 | 96.55 | 95.16 | 86.13 | 81.55 | 69.40 | 60.42 | 79.30 | |||||||||||||
1996 | 61.42 | 67.79 | 69.19 | 79.47 | 94.13 | 97.27 | 94.42 | 90.23 | 85.93 | 79.94 | 66.92 | f | 61.03 | 80.07 | a | |||||||||||
1997 | 55.65 | 61.71 | 73.39 | 74.60 | 88.35 | 95.00 | 95.48 | 93.29 | 90.33 | 77.94 | 65.03 | 51.58 | 76.86 | |||||||||||||
1998 | 61.23 | 58.96 | 68.13 | 74.53 | 89.61 | 96.83 | 95.35 | 92.74 | 91.57 | 77.26 | 69.03 | 57.77 | 77.75 | |||||||||||||
1999 | 62.06 | 68.71 | 72.52 | 77.70 | 87.87 | 93.23 | 92.00 | 92.52 | 86.90 | 78.52 | 71.87 | 55.71 | 78.30 | |||||||||||||
2000 | 63.39 | 68.21 | 71.87 | 82.63 | 92.71 | 92.10 | 96.06 | 93.55 | 92.10 | 74.13 | 59.33 | 56.32 | 78.53 | |||||||||||||
2001 | 53.87 | 63.89 | 69.52 | 80.43 | 90.16 | 96.07 | 96.35 | 92.52 | 89.27 | 81.48 | 65.50 | 56.16 | 77.94 | |||||||||||||
2002 | 59.10 | 59.29 | 71.00 | 84.23 | 89.52 | 98.97 | 93.84 | 96.39 | 88.97 | 75.39 | 64.20 | 54.39 | 77.94 | |||||||||||||
2003 | 63.03 | 61.25 | 68.68 | 79.20 | 89.94 | 95.20 | 97.77 | 95.13 | 90.00 | 81.42 | 68.03 | 58.32 | 79.00 | |||||||||||||
2004 | 57.65 | 58.38 | 72.84 | 75.10 | 89.81 | 95.10 | 94.84 | 90.68 | 85.20 | 76.81 | 60.50 | 54.81 | 75.97 | |||||||||||||
2005 | 60.10 | 58.96 | 67.55 | 78.80 | 87.74 | 97.37 | 98.55 | 90.77 | 90.60 | 76.84 | 70.57 | 61.61 | 78.29 | |||||||||||||
2006 | 62.87 | 65.64 | 72.42 | 83.97 | 92.32 | 97.03 | 94.68 | 88.45 | 82.17 | 76.42 | 70.40 | 56.94 | 78.61 | |||||||||||||
2007 | 52.13 | 64.21 | 73.52 | 78.77 | 85.42 | 95.80 | 93.52 | 94.42 | 89.03 | 82.32 | 68.83 | 57.71 | 77.97 | |||||||||||||
2008 | 56.48 | 66.90 | 72.52 | 79.90 | 88.06 | 98.40 | 90.71 | 89.65 | 83.13 | 80.23 | 68.40 | 61.68 | 78.00 | |||||||||||||
2009 | 63.00 | 68.54 | 73.94 | 79.13 | 90.32 | 94.13 | 98.45 | 96.00 | 87.07 | 77.55 | 68.97 | 55.16 | 79.35 | |||||||||||||
2010 | 55.48 | 59.86 | 69.29 | 78.10 | 89.00 | 98.63 | 93.90 | 96.52 | 90.57 | 81.23 | 67.23 | 64.55 | 78.70 | |||||||||||||
2011 | 58.77 | 60.57 | 78.10 | 83.83 | 88.35 | 101.43 | 98.13 | 98.77 | 91.13 | 82.16 | 66.37 | 52.32 | 80.00 | |||||||||||||
2012 | 61.55 | 63.62 | 74.16 | 84.47 | 88.74 | 100.23 | 93.32 | 96.39 | 87.93 | 82.39 | 71.73 | 59.90 | 80.37 | |||||||||||||
2013 | 54.39 | 60.82 | 74.39 | 81.37 | 87.52 | 100.30 | 92.94 | 93.68 | 86.00 | 78.65 | 65.57 | 57.03 | 77.72 | |||||||||||||
2014 | 61.45 | 69.29 | 72.42 | 79.30 | 87.42 | 101.20 | 96.68 | 90.39 | 84.67 | 81.84 | 65.40 | 60.42 | 79.21 | |||||||||||||
2015 | 56.10 | 67.07 | 71.87 | 78.63 | 85.61 | 96.97 | 96.32 | 97.65 | 91.93 | 78.84 | 66.93 | 58.97 | 78.91 | |||||||||||||
2016 | 57.23 | 69.03 | 75.94 | 79.40 | 86.84 | 97.87 | 101.35 | 91.97 | 87.50 | 84.90 | 68.87 | 60.29 | 80.10 | |||||||||||||
2017 | 59.65 | 69.04 | 79.61 | 82.80 | 87.97 | 99.23 | 95.03 | 92.84 | 90.47 | 82.61 | 75.27 | 61.03 | 81.30 | |||||||||||||
2018 | 60.39 | 68.07 | 74.65 | 83.87 | 94.00 | 100.60 | 97.35 | 96.65 | 90.07 | 74.42 | 66.27 | 57.19 | 80.29 | |||||||||||||
2019 | 58.77 | 64.54 | 71.65 | 81.57 | 86.45 | 96.43 | 99.61 | 99.71 | 91.20 | 78.03 | 65.80 | 58.81 | 79.38 | |||||||||||||
2020 | 61.26 | 62.31 | 71.45 | 82.33 | 92.65 | 98.77 | 101.55 | 101.13 | 89.40 | 84.29 | 73.90 | 58.52 | 81.46 | |||||||||||||
2021 | 59.00 | 66.00 | 71.81 | 80.00 | 90.65 | 96.97 | 93.29 | 92.03 | 90.50 | 82.29 | 71.90 | 65.55 | 80.00 | |||||||||||||
2022 | 58.97 | 61.68 | 71.48 | 84.40 | 93.29 | 97.67 | 99.39 | 92.61 | 90.00 | 77.35 | 65.40 | 61.35 | 79.47 | |||||||||||||
2023 | 61.00 | 63.50 | 72.19 | 82.53 | 90.94 | 99.63 | 105.10 | 99.42 | 96.87 | 83.58 | 69.93 | 63.06 | 82.31 | |||||||||||||
2024 | 60.61 | 66.28 | 71.77 | 79.91 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.22 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 57.77 | 63.42 | 70.49 | 79.09 | 87.72 | 96.12 | 95.39 | 93.32 | 88.00 | 78.91 | 66.51 | 58.39 | 77.92 | |||||||||||||
S.D. | 3.61 | 3.33 | 3.45 | 3.07 | 2.52 | 2.85 | 2.85 | 2.92 | 2.90 | 3.10 | 3.54 | 3.32 | 1.48 | |||||||||||||
SKEW | -0.62 | 0.02 | -0.15 | -0.25 | 0.26 | 0.26 | 0.62 | 0.32 | 0.09 | -0.26 | -0.03 | 0.05 | 0.53 | |||||||||||||
MAX | 64.13 | 69.96 | 79.61 | 84.97 | 94.13 | 103.87 | 105.10 | 101.13 | 96.87 | 85.45 | 75.27 | 65.55 | 82.31 | |||||||||||||
MIN | 44.35 | 55.32 | 60.87 | 69.97 | 81.84 | 90.20 | 89.97 | 87.19 | 81.50 | 71.74 | 58.70 | 49.90 | 74.74 | |||||||||||||
YRS | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 85 | 86 | 84 |