YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 96.24 | e | 84.68 | 65.90 | 54.70 | d | 75.38 | h | ||
1949 | 41.03 | 54.71 | 66.61 | 82.53 | 84.84 | 97.57 | 104.00 | 101.71 | 98.37 | 78.03 | 75.47 | 56.39 | 78.44 | |||||||||||||
1950 | 54.74 | 66.29 | 71.58 | 82.67 | 87.48 | 97.57 | 102.32 | 103.42 | 92.60 | 87.26 | 71.20 | 65.06 | 81.85 | |||||||||||||
1951 | 56.03 | 60.25 | 67.81 | 78.10 | 86.87 | 98.30 | 105.03 | 99.97 | 98.37 | 78.74 | 63.50 | 53.35 | 78.86 | |||||||||||||
1952 | 52.55 | 61.10 | 61.65 | 76.97 | 91.00 | 95.97 | 103.45 | 105.52 | 95.37 | 88.77 | 61.60 | 56.29 | 79.19 | |||||||||||||
1953 | 63.16 | 62.57 | 71.48 | 78.30 | 79.65 | 97.87 | 104.42 | 102.10 | 98.83 | 80.13 | 68.07 | 56.94 | 80.29 | |||||||||||||
1954 | 57.81 | 68.86 | 64.74 | 84.63 | 93.39 | 96.30 | 104.87 | 100.65 | 95.73 | 83.84 | 71.17 | 55.84 | 81.48 | |||||||||||||
1955 | 50.87 | 56.25 | 68.65 | 74.20 | 84.65 | 97.27 | 101.32 | 100.19 | 96.40 | 85.32 | 66.63 | 59.68 | 78.45 | |||||||||||||
1956 | 60.45 | 59.07 | 72.06 | 77.53 | 89.16 | 101.43 | 102.48 | 101.65 | 98.83 | 79.45 | 65.97 | 59.87 | 80.66 | |||||||||||||
1957 | 53.90 | 67.29 | 70.45 | 76.10 | 82.39 | 100.43 | 103.13 | 99.00 | 95.60 | 74.68 | 59.77 | 59.77 | 78.54 | |||||||||||||
1958 | 58.90 | 63.43 | 63.06 | 75.77 | 92.71 | 98.43 | 103.97 | 104.65 | 95.17 | 84.61 | 66.37 | 62.90 | 80.83 | |||||||||||||
1959 | 59.10 | 59.32 | 71.90 | 84.03 | 86.48 | 101.87 | 107.94 | 101.55 | 92.20 | 83.71 | 67.33 | 58.65 | 81.17 | |||||||||||||
1960 | 51.42 | 57.34 | 73.55 | 80.07 | 88.61 | 102.50 | 105.77 | 102.94 | 95.87 | 79.23 | 63.73 | 55.10 | 79.68 | |||||||||||||
1961 | 58.23 | 63.61 | 69.55 | 79.67 | 87.29 | 102.80 | 105.23 | 100.87 | 90.03 | 78.06 | 61.97 | 52.68 | 79.16 | |||||||||||||
1962 | 56.65 | 60.54 | 64.35 | 85.43 | 84.42 | 97.30 | 102.97 | 104.32 | 96.67 | 81.97 | 69.90 | 58.42 | 80.24 | |||||||||||||
1963 | 53.32 | 68.07 | 67.61 | 71.57 | 90.48 | 92.93 | 105.39 | 101.19 | 94.20 | 82.23 | 66.37 | 57.32 | 79.22 | |||||||||||||
1964 | 54.45 | 59.38 | 65.94 | 74.80 | 85.10 | 95.37 | 104.71 | 100.61 | 93.20 | 87.00 | 61.17 | 56.58 | 78.19 | |||||||||||||
1965 | 59.48 | 62.04 | 65.71 | 71.80 | 82.03 | 92.07 | 101.84 | 101.97 | 89.20 | 85.81 | 66.40 | 54.26 | 77.72 | |||||||||||||
1966 | 54.06 | 57.46 | 71.77 | 82.23 | 92.42 | 98.60 | 103.45 | 103.90 | 94.40 | 80.52 | 67.37 | 56.81 | 80.25 | |||||||||||||
1967 | 57.10 | 64.39 | 71.90 | 68.83 | 86.84 | 93.97 | 105.13 | 103.55 | 92.43 | 84.23 | 68.23 | 51.03 | 78.97 | |||||||||||||
1968 | 56.68 | 67.45 | 71.23 | 75.83 | 88.35 | 99.63 | 102.58 | 97.35 | 94.80 | 81.26 | 66.70 | 52.68 | 79.55 | |||||||||||||
1969 | 57.00 | 56.04 | 65.58 | 78.83 | 91.52 | 95.27 | 103.58 | 106.52 | 96.70 | 75.77 | 66.87 | 58.06 | 79.31 | |||||||||||||
1970 | 56.10 | 64.64 | 67.10 | 72.20 | 89.87 | 98.57 | 104.97 | 101.29 | 91.67 | 77.00 | 67.27 | 54.58 | 78.77 | |||||||||||||
1971 | 56.61 | 62.89 | 69.74 | 77.30 | 80.52 | 98.10 | 107.10 | 101.10 | 92.13 | 75.68 | 63.43 | 51.13 | 77.98 | |||||||||||||
1972 | 54.71 | 66.38 | 78.77 | 79.10 | 89.58 | 98.33 | 107.74 | 99.87 | 91.03 | 73.61 | 60.10 | 51.71 | 79.25 | |||||||||||||
1973 | 50.58 | 59.04 | 60.68 | 74.50 | 90.81 | 100.17 | 106.29 | 101.90 | 93.97 | 82.52 | 65.53 | 58.58 | 78.71 | |||||||||||||
1974 | 49.97 | 61.57 | 71.58 | 77.03 | 91.26 | 104.57 | 102.06 | 102.13 | 96.73 | 81.32 | 66.53 | 54.48 | 79.94 | |||||||||||||
1975 | 57.35 | 61.39 | 64.97 | 68.03 | 86.23 | 97.37 | 103.74 | 101.45 | 95.30 | 79.61 | 65.87 | 60.94 | 78.52 | |||||||||||||
1976 | 61.06 | 64.07 | 66.03 | 75.90 | 91.71 | 96.37 | 100.71 | 101.10 | 90.43 | 78.94 | 72.20 | 61.61 | 80.01 | |||||||||||||
1977 | 57.97 | 69.50 | 65.61 | 84.20 | 80.55 | 103.03 | 106.48 | 103.58 | 94.47 | 86.52 | 71.23 | 63.84 | 82.25 | |||||||||||||
1978 | 57.13 | 63.07 | 71.90 | 75.80 | 87.84 | 101.73 | 106.94 | 104.03 | 93.17 | 88.10 | 65.80 | 53.90 | 80.78 | |||||||||||||
1979 | 49.35 | 60.79 | 68.23 | 80.50 | 89.68 | 101.70 | 106.77 | 99.94 | 100.90 | 84.29 | 63.70 | 59.48 | 80.44 | |||||||||||||
1980 | 58.87 | 63.41 | 64.68 | 76.43 | 81.39 | 98.43 | 105.48 | 103.74 | 95.73 | 82.81 | 70.07 | 66.10 | 80.60 | |||||||||||||
1981 | 62.61 | 65.54 | 67.55 | 84.03 | 86.74 | 102.40 | 105.90 | 104.39 | 95.67 | 76.45 | 69.83 | 60.35 | 81.79 | |||||||||||||
1982 | 56.81 | 61.79 | 65.87 | 76.00 | 86.35 | 94.83 | 101.29 | 99.58 | 89.73 | 75.42 | 61.50 | 53.35 | 76.88 | |||||||||||||
1983 | 57.16 | 60.93 | 66.19 | 69.10 | 86.10 | 96.00 | 101.71 | 95.23 | 94.07 | 79.52 | 65.37 | 57.68 | 77.42 | |||||||||||||
1984 | 58.68 | 62.24 | 70.55 | 75.40 | 95.06 | 96.73 | 99.97 | 97.29 | 94.43 | 74.65 | 63.07 | 52.52 | 78.38 | |||||||||||||
1985 | 54.32 | 59.11 | 66.87 | 81.93 | 90.48 | 102.17 | 105.19 | 104.68 | 87.83 | 80.32 | 62.57 | 60.10 | 79.63 | |||||||||||||
1986 | 64.42 | 67.14 | 75.84 | 78.97 | 90.42 | 101.90 | 100.65 | 103.94 | 87.30 | 77.81 | 67.50 | 56.71 | 81.05 | |||||||||||||
1987 | 55.13 | 61.96 | 66.61 | 82.97 | 87.00 | 100.93 | 101.32 | 101.94 | 95.63 | 84.29 | 63.77 | 51.45 | 79.42 | |||||||||||||
1988 | 55.97 | 65.97 | 71.26 | 77.17 | 87.48 | 99.47 | 106.87 | 100.52 | 93.23 | 89.39 | 67.73 | 57.55 | 81.05 | |||||||||||||
1989 | 55.32 | 61.71 | 76.42 | 86.83 | 88.71 | 98.87 | 107.29 | 100.00 | 94.33 | 80.58 | 70.90 | 61.35 | 81.86 | |||||||||||||
1990 | 56.77 | 60.14 | 73.10 | 82.00 | 87.03 | 99.90 | 103.74 | 100.52 | 94.77 | 82.81 | 67.60 | 52.29 | 80.06 | |||||||||||||
1991 | 56.94 | 69.61 | 63.03 | 76.60 | 82.81 | 95.30 | 104.19 | 100.58 | 94.87 | 85.00 | 66.43 | 57.06 | 79.37 | |||||||||||||
1992 | 56.74 | 63.83 | 66.10 | 83.50 | 90.03 | 96.13 | 101.00 | 102.42 | 96.93 | 83.26 | 63.23 | 52.32 | 79.62 | |||||||||||||
1993 | 53.71 | 58.54 | 72.42 | 80.07 | 89.48 | 95.73 | 102.58 | 101.42 | 95.50 | 81.65 | 63.20 | 57.81 | 79.34 | |||||||||||||
1994 | 61.26 | 58.39 | 74.87 | 79.10 | 88.94 | 104.03 | 106.42 | 105.48 | 95.53 | 79.26 | 59.60 | 57.29 | 80.85 | |||||||||||||
1995 | 54.45 | 70.68 | 68.42 | 76.37 | 83.10 | 93.73 | 105.29 | 105.03 | 96.53 | 83.42 | 72.67 | 60.13 | 80.82 | |||||||||||||
1996 | 59.90 | 65.52 | 72.03 | 81.13 | 89.87 | 101.27 | 105.97 | 104.61 | 92.00 | 78.87 | 66.90 | 56.71 | 81.23 | |||||||||||||
1997 | 57.19 | 61.96 | 76.45 | 76.53 | 93.90 | 95.27 | 101.03 | 102.61 | 91.77 | 79.26 | 66.70 | 55.00 | 79.81 | |||||||||||||
1998 | 58.10 | 57.04 | 67.26 | 72.27 | 81.45 | 92.40 | 104.81 | 103.97 | 91.07 | 77.48 | 65.73 | 58.52 | 77.51 | |||||||||||||
1999 | 61.45 | 64.04 | 72.19 | 71.40 | 86.74 | 97.93 | 99.00 | 99.77 | 93.40 | 85.13 | 70.67 | 59.48 | 80.10 | |||||||||||||
2000 | 60.81 | 62.83 | 69.03 | 83.30 | 93.26 | 100.80 | 104.71 | 101.35 | 94.67 | 77.10 | 60.23 | 60.00 | 80.67 | |||||||||||||
2001 | 55.26 | 58.57 | 71.16 | 75.93 | 94.81 | 100.57 | 102.10 | 104.29 | 97.93 | 83.94 | 68.90 | 54.45 | 80.66 | |||||||||||||
2002 | 56.32 | 64.50 | 67.45 | 81.70 | 88.32 | 101.33 | 106.48 | 103.39 | 94.03 | 78.61 | 67.23 | 56.23 | 80.47 | |||||||||||||
2003 | 65.35 | 60.04 | 69.94 | 72.80 | 89.68 | 99.77 | 106.58 | 101.13 | 96.30 | 87.16 | 61.43 | 56.48 | 80.55 | |||||||||||||
2004 | 57.00 | 57.31 | 78.42 | 78.13 | 90.61 | 100.23 | 104.61 | 100.84 | 93.40 | 77.87 | 62.20 | 57.84 | 79.87 | |||||||||||||
2005 | 58.87 | 60.96 | 69.29 | 76.67 | 90.58 | 96.47 | 106.97 | 100.10 | 93.33 | 79.94 | 69.33 | 58.81 | 80.11 | |||||||||||||
2006 | 60.26 | 64.68 | 64.23 | 77.80 | 92.52 | 102.73 | 105.52 | 102.45 | 92.20 | 77.61 | 68.60 | 56.77 | 80.45 | |||||||||||||
2007 | 56.35 | 64.86 | 76.26 | 81.60 | 92.00 | 101.53 | 107.06 | 103.52 | 93.13 | 80.61 | 71.13 | 53.26 | 81.78 | |||||||||||||
2008 | 54.39 | 62.86 | 72.06 | 79.33 | 85.45 | 101.20 | 104.81 | 104.16 | 96.63 | 82.71 | 70.93 | 53.84 | 80.70 | |||||||||||||
2009 | 61.13 | 61.25 | 70.58 | 77.90 | 95.06 | 93.97 | 105.97 | 102.29 | 97.27 | 77.48 | 69.97 | 53.68 | 80.55 | |||||||||||||
2010 | 57.61 | 60.75 | 67.81 | 74.80 | 82.52 | 99.23 | 106.65 | 102.71 | 98.07 | 79.90 | 65.67 | 59.13 | 79.57 | |||||||||||||
2011 | 58.77 | 60.43 | 71.13 | 77.40 | 83.65 | 97.43 | 102.48 | 105.84 | 95.63 | 81.84 | 64.57 | 55.68 | 79.57 | |||||||||||||
2012 | 61.19 | 63.38 | 71.97 | 80.63 | 92.23 | 101.27 | 102.58 | 102.90 | 96.63 | 82.58 | 70.50 | 57.26 | 81.93 | |||||||||||||
2013 | 55.45 | 61.89 | 75.39 | 81.80 | 89.29 | 103.87 | 104.84 | 100.13 | 91.20 | 77.61 | 67.27 | 57.19 | 80.49 | |||||||||||||
2014 | 64.06 | 67.64 | 73.81 | 80.90 | 89.94 | 101.40 | 104.55 | 98.77 | 96.43 | 86.00 | 69.93 | 58.29 | 82.64 | |||||||||||||
2015 | 62.03 | 70.75 | 77.84 | 79.97 | 84.81 | 103.53 | 101.16 | 104.00 | 98.23 | 83.55 | 64.10 | 56.06 | 82.17 | |||||||||||||
2016 | 57.03 | 69.76 | 74.81 | 78.60 | 85.90 | 105.00 | 107.10 | 102.29 | 93.33 | 83.84 | 70.87 | 56.65 | 82.10 | |||||||||||||
2017 | 56.65 | 65.43 | 77.29 | 80.70 | 89.16 | 104.50 | 106.55 | 103.03 | 91.90 | 83.58 | 72.87 | 62.68 | 82.86 | |||||||||||||
2018 | 63.45 | 64.29 | 69.45 | 83.93 | 89.90 | 103.10 | 106.94 | 105.19 | 99.57 | 79.03 | 67.53 | 58.52 | 82.58 | |||||||||||||
2019 | 58.52 | 55.93 | 69.45 | 82.07 | 81.48 | 98.93 | 105.06 | 106.74 | 94.53 | 78.29 | 69.33 | 55.58 | 79.66 | |||||||||||||
2020 | 60.32 | 64.34 | 67.42 | 79.57 | 92.16 | 98.47 | 106.55 | 107.29 | 98.83 | 87.58 | 69.23 | 58.68 | 82.54 | |||||||||||||
2021 | 58.55 | 64.32 | 67.81 | 82.57 | 90.23 | 104.23 | 105.71 | 104.13 | 97.13 | 78.06 | 74.13 | 57.87 | 82.06 | |||||||||||||
2022 | 59.52 | 64.14 | 73.06 | 81.37 | 89.03 | 100.70 | 104.10 | 100.71 | 97.27 | 83.29 | 61.63 | 57.84 | 81.05 | |||||||||||||
2023 | 54.68 | 58.79 | 62.90 | 79.83 | 88.52 | 93.40 | 109.10 | 100.03 | 91.77 | 82.87 | 68.37 | 62.52 | 79.40 | |||||||||||||
2024 | 58.26 | 60.79 | 66.35 | 77.10 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.80 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 57.18 | 62.62 | 69.66 | 78.42 | 88.11 | 99.07 | 104.46 | 102.20 | 94.62 | 81.33 | 66.77 | 57.13 | 80.13 | |||||||||||||
S.D. | 3.82 | 3.70 | 4.14 | 4.06 | 3.75 | 3.23 | 2.18 | 2.27 | 2.75 | 3.69 | 3.61 | 3.27 | 1.35 | |||||||||||||
SKEW | -0.88 | 0.19 | 0.18 | -0.40 | -0.35 | -0.19 | -0.36 | -0.22 | -0.32 | 0.11 | -0.03 | 0.31 | -0.06 | |||||||||||||
MAX | 65.35 | 70.75 | 78.77 | 86.83 | 95.06 | 105.00 | 109.10 | 107.29 | 100.90 | 89.39 | 75.47 | 66.10 | 82.86 | |||||||||||||
MIN | 41.03 | 54.71 | 60.68 | 68.03 | 79.65 | 92.07 | 99.00 | 95.23 | 87.30 | 73.61 | 59.60 | 51.03 | 76.88 | |||||||||||||
YRS | 76 | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 76 | 76 | 76 | 76 | 75 |