YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1945 | ----- | z | ----- | z | ----- | z | 60.83 | 76.55 | 80.50 | 91.55 | 89.94 | 80.00 | 72.90 | 61.90 | 43.23 | 73.04 | c | |||||||||
1946 | 47.74 | 55.14 | 62.94 | 75.83 | 72.58 | 91.67 | 96.48 | 91.00 | 84.97 | 68.81 | 42.87 | 54.35 | 70.36 | |||||||||||||
1947 | 47.39 | 45.89 | 53.77 | 65.13 | 75.06 | 84.23 | 94.00 | 94.26 | 88.97 | 78.50 | a | 51.23 | 46.68 | 68.76 | ||||||||||||
1948 | 41.58 | 41.03 | 48.45 | 74.30 | 77.68 | 86.50 | 94.32 | 92.55 | 89.57 | 73.39 | 53.67 | 50.39 | 68.62 | |||||||||||||
1949 | 33.55 | 50.21 | 59.19 | 67.27 | 78.97 | 85.40 | 92.71 | 91.32 | 85.67 | 69.71 | 67.70 | 52.23 | 69.49 | |||||||||||||
1950 | 50.45 | 58.64 | 59.45 | 70.20 | 77.39 | 89.50 | 89.26 | 88.55 | 77.93 | 79.71 | 55.47 | 51.42 | 70.66 | |||||||||||||
1951 | 42.00 | 54.14 | 55.23 | 62.53 | 78.23 | a | 82.72 | a | 93.90 | 92.39 | 82.86 | a | 69.26 | 53.83 | 47.39 | 67.87 | ||||||||||
1952 | 51.61 | 52.72 | 52.71 | 68.20 | 78.26 | 96.87 | 96.06 | 93.97 | 86.03 | 73.81 | 48.57 | 44.48 | 70.27 | |||||||||||||
1953 | 56.42 | 52.18 | 62.68 | 63.33 | 74.10 | 93.63 | 94.65 | 91.19 | 88.10 | 74.19 | 58.13 | 44.74 | 71.11 | |||||||||||||
1954 | 48.06 | 62.32 | 55.16 | 75.23 | 75.23 | 94.30 | 97.52 | 93.58 | 89.13 | 70.42 | 62.30 | 52.16 | 72.95 | |||||||||||||
1955 | 45.61 | 44.89 | a | 59.10 | 70.63 | 77.94 | 84.93 | 97.00 | 93.26 | 85.20 | 75.94 | 54.90 | 51.55 | 70.08 | ||||||||||||
1956 | 48.55 | 43.28 | 60.19 | 65.30 | 82.23 | 95.83 | 92.90 | 90.48 | 88.80 | 78.10 | 54.77 | 52.29 | 71.06 | |||||||||||||
1957 | 42.61 | 57.71 | 54.48 | 60.40 | 71.39 | 85.87 | 94.35 | 92.03 | 81.13 | 68.94 | 49.83 | 56.81 | 67.96 | |||||||||||||
1958 | 46.97 | 46.46 | 43.00 | 61.90 | 79.84 | 87.47 | 88.58 | 92.74 | 85.48 | a | 72.16 | 56.37 | 48.19 | 67.43 | ||||||||||||
1959 | 39.55 | 45.89 | 56.29 | 65.37 | 77.68 | 91.27 | 93.26 | 93.39 | 80.40 | 65.23 | 56.60 | 50.81 | 67.98 | |||||||||||||
1960 | 38.68 | 33.52 | 50.45 | 70.57 | 78.13 | 88.60 | 91.81 | 93.74 | 83.63 | 70.16 | 57.93 | 37.84 | 66.25 | |||||||||||||
1961 | 42.39 | 48.41 | a | 55.29 | 66.10 | 76.90 | 88.20 | 91.00 | 89.48 | 77.10 | a | 73.16 | 51.37 | 42.19 | 66.80 | |||||||||||
1962 | 39.26 | 53.04 | 56.19 | 70.13 | 83.19 | 85.67 | 91.13 | 94.39 | 82.63 | 76.13 | 58.47 | 51.68 | 70.16 | |||||||||||||
1963 | 37.00 | 56.04 | a | 59.77 | 74.67 | 84.13 | a | 92.77 | 98.55 | 91.06 | 87.17 | 80.58 | 61.33 | 41.45 | 72.04 | |||||||||||
1964 | 48.87 | 42.21 | 53.55 | 66.67 | 80.52 | 88.97 | 100.35 | 91.45 | 80.30 | 75.90 | 55.27 | 48.29 | 69.36 | |||||||||||||
1965 | 51.81 | 44.41 | a | 43.55 | 70.87 | 80.03 | 82.97 | 90.26 | 85.23 | 73.38 | a | 72.97 | 62.03 | 46.19 | 66.97 | |||||||||||
1966 | 33.26 | 38.64 | 62.58 | 65.67 | 81.32 | 89.23 | 96.26 | 86.87 | 82.17 | a | 67.48 | 58.03 | 43.48 | 67.08 | ||||||||||||
1967 | 49.48 | 53.64 | 64.61 | 72.90 | 73.57 | a | 82.83 | 88.81 | 86.03 | 79.73 | 71.55 | 55.73 | 37.71 | 68.05 | ||||||||||||
1968 | 44.77 | 50.28 | 60.13 | 67.00 | 74.68 | 91.30 | 91.68 | 87.74 | 83.57 | 75.00 | 52.70 | 42.90 | 68.48 | |||||||||||||
1969 | 49.90 | 52.11 | 43.65 | 71.03 | 77.29 | 83.57 | 94.52 | 92.81 | 83.83 | 58.74 | 58.03 | 47.77 | 67.77 | |||||||||||||
1970 | 46.65 | 57.07 | 50.32 | 65.37 | 80.84 | 89.66 | a | 92.48 | 95.00 | 81.23 | 62.87 | 54.70 | 52.03 | 69.02 | ||||||||||||
1971 | 47.03 | 47.61 | 60.00 | a | 66.67 | 74.97 | 93.80 | 91.87 | 90.97 | 79.63 | 71.06 | 54.93 | 46.97 | 68.79 | ||||||||||||
1972 | 46.71 | 56.24 | 66.52 | 71.77 | 78.81 | 91.87 | 92.16 | 91.35 | 83.50 | 68.03 | 39.97 | 29.35 | 68.02 | |||||||||||||
1973 | 36.77 | 50.79 | 54.23 | 61.20 | 73.58 | 89.53 | 93.10 | 96.52 | 79.10 | 74.97 | 55.93 | 45.00 | 67.56 | |||||||||||||
1974 | 35.65 | 52.43 | 64.19 | 70.73 | 84.52 | 91.07 | 98.39 | 89.39 | 81.00 | 72.77 | 56.53 | 44.58 | 70.10 | |||||||||||||
1975 | 43.16 | 46.61 | 56.58 | 68.90 | a | 81.16 | 91.00 | 96.94 | 95.32 | 81.17 | 76.74 | 53.27 | 49.87 | 70.06 | ||||||||||||
1976 | 48.87 | 61.48 | 60.80 | a | 72.77 | 77.97 | 92.53 | 96.84 | 92.00 | 81.87 | 66.03 | 54.93 | 50.03 | 71.34 | ||||||||||||
1977 | 43.90 | 55.93 | 61.23 | 72.67 | 83.42 | 93.40 | 93.97 | 88.03 | 87.20 | 72.42 | 58.23 | 50.32 | 71.73 | |||||||||||||
1978 | 33.90 | 38.18 | 61.81 | 73.83 | 75.23 | 89.30 | 98.55 | 91.74 | 85.90 | 74.10 | 53.93 | 38.52 | 67.92 | |||||||||||||
1979 | 28.55 | 50.79 | 58.67 | a | 68.20 | 73.03 | 88.00 | 93.23 | 90.65 | 87.30 | 73.97 | a | 48.30 | 49.00 | a | 67.47 | ||||||||||
1980 | 35.19 | 50.76 | 54.77 | 63.37 | 74.60 | a | 93.50 | 98.90 | 95.26 | 87.13 | 72.13 | 57.23 | 56.16 | 69.92 | ||||||||||||
1981 | 52.74 | 54.96 | 58.94 | 78.13 | 78.26 | 95.72 | a | 97.35 | 88.68 | 85.20 | 71.68 | 62.00 | 47.81 | 72.62 | ||||||||||||
1982 | 44.77 | 44.44 | a | 61.13 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.94 | 57.90 | 47.71 | 54.48 | f | ||||
1983 | 44.39 | 52.04 | 55.19 | 62.77 | 72.50 | a | 85.50 | 98.06 | 99.07 | a | 89.03 | 73.10 | 57.07 | 30.07 | a | 68.23 | ||||||||||
1984 | 37.94 | 50.62 | 53.97 | 64.47 | 80.16 | 89.63 | 95.29 | 94.87 | 82.43 | 65.74 | 60.10 | 48.32 | 68.63 | |||||||||||||
1985 | 35.23 | a | 42.79 | 62.45 | 72.43 | 79.83 | a | 90.60 | 94.61 | 95.20 | a | 82.76 | a | 68.61 | 46.53 | 41.68 | 67.73 | |||||||||
1986 | 58.26 | 54.11 | 66.97 | 72.57 | 78.52 | 88.83 | 95.03 | 89.45 | 80.27 | 68.23 | 55.23 | 43.29 | 70.90 | |||||||||||||
1987 | 45.61 | 50.54 | 56.45 | 71.23 | 76.06 | 88.70 | 96.45 | 88.19 | 81.87 | 71.29 | 56.43 | 41.55 | 68.70 | |||||||||||||
1988 | 33.39 | 48.10 | 57.32 | 67.03 | 77.03 | 91.77 | 94.81 | 93.68 | 82.30 | 72.32 | 60.07 | 47.97 | 68.82 | |||||||||||||
1989 | 50.94 | 36.89 | 67.13 | 71.70 | 79.61 | 83.77 | 94.74 | 90.45 | 80.40 | 71.74 | 61.07 | 40.58 | 69.08 | |||||||||||||
1990 | 47.77 | 45.93 | 56.65 | 69.13 | 74.10 | 95.57 | 89.26 | 90.90 | 86.27 | 71.61 | 61.47 | 41.16 | 69.15 | |||||||||||||
1991 | 40.48 | 58.67 | a | 59.90 | 67.47 | 82.35 | 90.83 | 91.77 | 91.48 | 82.37 | 72.32 | 47.77 | 45.58 | 69.25 | ||||||||||||
1992 | 47.65 | 55.21 | 63.19 | 74.90 | 78.97 | 83.80 | 89.71 | 87.84 | 86.77 | 73.06 | 45.30 | 37.77 | 68.68 | |||||||||||||
1993 | 39.19 | 43.75 | 58.13 | 67.30 | 76.71 | 88.57 | 94.23 | 89.13 | 80.87 | 68.00 | 46.67 | 50.68 | 66.93 | |||||||||||||
1994 | 49.29 | 49.32 | 62.90 | 65.73 | 79.39 | 94.33 | 94.58 | 93.03 | 86.00 | 69.97 | 56.13 | 52.29 | 71.08 | |||||||||||||
1995 | 50.65 | 57.07 | 60.00 | 62.07 | 69.10 | 82.47 | 93.39 | 98.16 | 82.43 | 72.19 | 63.60 | 50.94 | 70.17 | |||||||||||||
1996 | 48.29 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 91.19 | 89.58 | 79.67 | 71.26 | 54.10 | a | 49.84 | 69.13 | e | ||||||
1997 | 43.06 | 47.79 | 64.77 | 61.13 | 78.16 | 87.53 | 95.16 | 87.42 | 83.23 | 65.35 | 48.00 | 33.77 | 66.28 | |||||||||||||
1998 | 42.84 | 49.85 | a | 53.97 | 64.80 | 81.58 | 87.07 | a | 91.45 | 87.58 | 86.34 | a | 70.00 | c | 59.00 | 43.94 | 68.20 | |||||||||
1999 | 50.90 | 60.79 | 60.90 | 62.30 | 74.29 | 86.00 | 93.19 | 90.61 | 77.77 | 71.84 | 64.70 | 48.74 | 70.17 | |||||||||||||
2000 | 49.58 | 58.24 | 59.29 | 72.63 | 83.58 | 89.50 | 96.26 | 96.00 | 86.03 | 69.52 | 48.40 | 42.84 | 70.99 | |||||||||||||
2001 | 41.71 | 43.57 | 55.65 | 73.00 | 75.29 | 89.83 | 96.19 | 92.61 | 85.37 | 71.74 | 58.80 | 45.81 | 69.13 | |||||||||||||
2002 | 45.84 | 50.75 | 57.55 | 73.60 | 81.00 | 94.23 | 96.58 | 92.26 | 83.07 | 62.74 | 56.20 | 46.10 | 69.99 | |||||||||||||
2003 | 51.13 | 42.11 | 60.90 | 70.80 | 79.13 | 83.13 | 99.90 | 93.90 | 80.67 | 76.03 | 53.63 | 50.61 | 70.16 | |||||||||||||
2004 | 46.65 | 47.17 | 67.19 | 65.50 | 82.97 | 85.47 | 90.03 | 86.03 | 83.87 | 71.03 | 50.23 | 50.77 | 68.91 | |||||||||||||
2005 | 44.48 | 51.64 | 57.74 | 67.37 | 78.45 | 90.67 | 98.03 | 90.42 | 87.83 | 70.65 | 61.93 | 47.06 | 70.52 | |||||||||||||
2006 | 53.23 | 52.82 | 59.71 | 75.13 | 81.61 | 93.07 | 93.35 | 88.61 | 75.50 | 65.94 | 58.83 | 43.58 | 70.12 | |||||||||||||
2007 | 27.45 | 33.93 | 63.77 | 63.73 | 76.74 | 86.27 | 93.55 | 95.35 | 85.93 | 74.32 | 61.03 | 42.16 | 67.02 | |||||||||||||
2008 | 44.16 | 50.38 | 59.35 | 68.23 | 79.52 | 90.37 | 95.74 | 88.29 | 81.87 | 70.23 | 59.03 | 47.00 | 69.51 | |||||||||||||
2009 | 52.13 | 56.79 | 61.71 | 67.10 | 79.06 | 86.40 | 92.74 | 91.00 | 80.60 | 60.87 | 59.43 | 39.94 | 68.98 | |||||||||||||
2010 | 46.26 | 42.29 | 57.90 | 69.53 | 77.35 | 91.43 | 93.26 | 92.77 | 89.63 | 74.61 | 58.93 | 49.10 | 70.26 | |||||||||||||
2011 | 43.16 | 48.64 | 62.74 | 71.57 | 78.00 | 92.70 | 98.61 | 97.16 | 83.37 | 72.74 | 58.63 | 35.26 | 70.22 | |||||||||||||
2012 | 45.58 | 49.93 | 69.81 | 73.57 | 81.65 | 97.80 | 99.00 | 95.35 | 84.23 | 68.68 | 64.73 | 48.32 | 73.22 | |||||||||||||
2013 | 48.97 | 50.82 | 59.87 | 64.90 | 80.45 | 93.67 | 93.84 | 93.35 | 87.43 | 69.10 | 57.30 | 47.06 | 70.56 | |||||||||||||
2014 | 46.06 | 42.93 | 59.68 | 68.57 | 80.10 | 91.70 | 91.42 | 91.29 | 85.20 | 73.77 | 53.57 | 44.74 | 69.09 | |||||||||||||
2015 | 48.38 | b | 51.89 | 63.90 | 71.80 | 71.42 | 89.40 | 93.19 | 94.29 | 90.20 | 74.65 | 58.77 | 49.32 | 71.43 | ||||||||||||
2016 | 49.61 | 57.28 | 64.61 | 68.60 | 76.61 | 93.60 | 97.61 | 90.03 | 87.73 | 79.87 | 64.50 | 43.74 | 72.82 | |||||||||||||
2017 | 43.68 | 61.00 | 69.23 | 68.43 | 75.10 | 90.43 | 94.19 | 87.84 | 83.13 | 72.29 | 63.60 | 50.71 | 71.64 | |||||||||||||
2018 | 53.23 | a | 52.07 | 66.13 | 69.70 | 85.45 | 96.50 | 95.27 | i | 90.03 | 85.60 | 66.55 | 54.33 | 49.65 | 69.93 | a | ||||||||||
2019 | 48.55 | 47.88 | d | 55.48 | 72.20 | 73.52 | 89.77 | 96.81 | 96.26 | 92.47 | 63.90 | 54.83 | 50.94 | 70.22 | ||||||||||||
2020 | 52.90 | 47.48 | 66.29 | 70.33 | 83.35 | 95.20 | 94.68 | 96.97 | 85.00 | 70.81 | 64.60 | 46.10 | 72.81 | |||||||||||||
2021 | 47.00 | 40.00 | 60.74 | 70.97 | 76.26 | 90.77 | 97.00 | 96.00 | 89.83 | 75.10 | 65.20 | 60.13 | 72.42 | |||||||||||||
2022 | 48.90 | 49.50 | 60.06 | 74.13 | 79.27 | a | 88.83 | 94.84 | 91.13 | 87.07 | 72.23 | 54.33 | 42.71 | 70.25 | ||||||||||||
2023 | 41.23 | 49.07 | 56.03 | 68.50 | 77.39 | 82.50 | 92.87 | 92.16 | 86.17 | 71.81 | 61.90 | 51.65 | 69.27 | |||||||||||||
2024 | 43.39 | 55.59 | 59.64 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.87 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.94 | 49.84 | 58.93 | 68.74 | 78.06 | 89.51 | 94.38 | 91.80 | 83.93 | 71.34 | 56.37 | 46.42 | 69.52 | |||||||||||||
S.D. | 6.15 | 6.33 | 5.38 | 4.18 | 3.40 | 4.00 | 2.78 | 3.01 | 3.66 | 4.13 | 5.42 | 5.59 | 1.67 | |||||||||||||
SKEW | -0.65 | -0.35 | -0.71 | -0.12 | -0.13 | -0.15 | -0.00 | 0.09 | -0.24 | -0.46 | -0.55 | -0.66 | 0.21 | |||||||||||||
MAX | 58.26 | 62.32 | 69.81 | 78.13 | 85.45 | 97.80 | 100.35 | 99.07 | 92.47 | 80.58 | 67.70 | 60.13 | 73.22 | |||||||||||||
MIN | 27.45 | 33.52 | 43.00 | 60.40 | 69.10 | 80.50 | 88.58 | 85.23 | 73.38 | 58.74 | 39.97 | 29.35 | 66.25 | |||||||||||||
YRS | 79 | 78 | 78 | 77 | 77 | 77 | 77 | 78 | 78 | 79 | 79 | 79 | 75 |