YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | 17.66 | 34.91 | 44.39 | 56.60 | 64.31 | 67.50 | 73.19 | d | 72.98 | 65.90 | 49.94 | 46.90 | 37.34 | 52.63 | ||||||||||||
1950 | 16.50 | 34.29 | 43.00 | 49.92 | 57.77 | 64.90 | 74.48 | 74.32 | 66.20 | 53.08 | 42.33 | 39.97 | 51.40 | |||||||||||||
1951 | 34.21 | 38.36 | 41.65 | 53.28 | 59.48 | 65.95 | 75.23 | 72.39 | 65.65 | 51.81 | 41.00 | 30.00 | 52.42 | |||||||||||||
1952 | 30.02 | 39.55 | 44.31 | 55.05 | 60.42 | 64.80 | 75.31 | 73.53 | 67.93 | 58.66 | 34.90 | 36.56 | 53.42 | |||||||||||||
1953 | 46.13 | 41.23 | 45.73 | 50.33 | 56.56 | 60.95 | 73.94 | 72.27 | 67.48 | 55.35 | 45.17 | 40.60 | 54.65 | |||||||||||||
1954 | 33.26 | 39.27 | 40.87 | 50.32 | 59.61 | 61.75 | 72.26 | 68.66 | 62.63 | 50.87 | 47.35 | 34.92 | 51.81 | |||||||||||||
1955 | 33.10 | 36.09 | 38.90 | 46.55 | 54.61 | 67.07 | 70.84 | 72.89 | 64.60 | 53.52 | 33.68 | 33.00 | 50.40 | |||||||||||||
1956 | 34.23 | 27.31 | 43.81 | 54.43 | 61.52 | 63.38 | 76.63 | 72.16 | 65.58 | 51.61 | 37.00 | 36.60 | 52.02 | |||||||||||||
1957 | 19.34 | 36.41 | 43.58 | 53.03 | 61.73 | 67.30 | 72.03 | 69.98 | 67.91 | b | 49.29 | 41.48 | 40.94 | 51.92 | ||||||||||||
1958 | 38.65 | 46.29 | 43.74 | 50.05 | 65.27 | 69.66 | b | 77.89 | 77.85 | 63.75 | 55.27 | 42.28 | 37.76 | 55.71 | ||||||||||||
1959 | 36.24 | 37.57 | 45.58 | 52.42 | 55.85 | 66.65 | 75.55 | 70.08 | 61.63 | 53.77 | 38.03 | 34.23 | 52.30 | |||||||||||||
1960 | 25.89 | 39.05 | 44.82 | 52.30 | 56.44 | 66.87 | 79.37 | 69.84 | 65.58 | 55.02 | 42.65 | 30.26 | 52.34 | |||||||||||||
1961 | 37.63 | 45.71 | 47.08 | 50.90 | 58.34 | 72.22 | 77.90 | 78.44 | 61.02 | 51.26 | 35.72 | 35.89 | 54.34 | |||||||||||||
1962 | 32.35 | 38.04 | 42.71 | 54.42 | 54.55 | 65.75 | 73.71 | 70.23 | 65.12 | 53.21 | 45.30 | 39.37 | 52.90 | |||||||||||||
1963 | 27.40 | 40.95 | 46.73 | 49.65 | 59.84 | 66.23 | 70.42 | 74.15 | 70.03 | 57.71 | 44.72 | 32.95 | 53.40 | |||||||||||||
1964 | 40.87 | 42.17 | 44.87 | 49.70 | 57.55 | 65.80 | 73.34 | 69.47 | 61.40 | 50.68 | 40.65 | 33.03 | 52.46 | |||||||||||||
1965 | 36.35 | 42.91 | 43.92 | 55.38 | 58.55 | 67.23 | 76.48 | 74.32 | 62.58 | 58.97 | 46.15 | 38.24 | 55.09 | |||||||||||||
1966 | 38.21 | 39.96 | 46.06 | 52.53 | 60.98 | 64.63 | 72.03 | 73.05 | 67.93 | 53.74 | 44.67 | 40.61 | 54.54 | |||||||||||||
1967 | 42.77 | 43.27 | 44.27 | 46.95 | 57.95 | 69.75 | 77.13 | 80.10 | 70.73 | 55.77 | 42.17 | 36.85 | 55.64 | |||||||||||||
1968 | 37.89 | 42.71 | 49.06 | 49.17 | 58.76 | 66.53 | 77.42 | 69.93 | a | 65.15 | 53.31 | 43.97 | 32.74 | 53.89 | ||||||||||||
1969 | 22.97 | 35.46 | 46.02 | 51.95 | 62.31 | 70.92 | 73.76 | 72.32 | 66.70 | 50.66 | 43.83 | 35.90 | 52.73 | |||||||||||||
1970 | 33.98 | 41.54 | 45.15 | 47.72 | 60.10 | 71.07 | 77.21 | 75.97 | 60.08 | 50.95 | 42.20 | 36.82 | 53.56 | |||||||||||||
1971 | 40.15 | 40.16 | 42.65 | 49.58 | 59.24 | 61.17 | 75.15 | 78.05 | 59.02 | 50.50 | 43.48 | 36.39 | 52.96 | |||||||||||||
1972 | 32.52 | 36.05 | 48.34 | 48.27 | 60.94 | 67.73 | 73.82 | 76.05 | 62.23 | 52.71 | 42.95 | 28.63 | 52.52 | |||||||||||||
1973 | 32.15 | 38.86 | 47.65 | 52.75 | 63.02 | 68.48 | 77.16 | 73.94 | 64.85 | 54.06 | 42.00 | 40.90 | 54.65 | |||||||||||||
1974 | 29.44 | 43.04 | 45.76 | 51.12 | 56.24 | 71.17 | 73.66 | 76.90 | 69.65 | 55.89 | 45.37 | 41.63 | 54.99 | |||||||||||||
1975 | 35.98 | 37.61 | 44.05 | 49.10 | 60.29 | 66.47 | 79.23 | 70.74 | 67.88 | 55.05 | 43.83 | 38.87 | 54.09 | |||||||||||||
1976 | 38.66 | 39.38 | 42.71 | 49.58 | 58.21 | 62.97 | 74.85 | 70.32 | 69.00 | 54.55 | 43.40 | 36.16 | 53.32 | |||||||||||||
1977 | 25.53 | 43.07 | 45.13 | 57.23 | 56.92 | 72.42 | 73.76 | 79.37 | 62.88 | 54.16 | 42.25 | 36.47 | 54.10 | |||||||||||||
1978 | 33.18 | 39.84 | 46.95 | 48.82 | 55.27 | 67.78 | 74.82 | 72.58 | 64.13 | 55.15 | 35.45 | 32.03 | 52.17 | |||||||||||||
1979 | 20.15 | 40.43 | 48.66 | 53.15 | 62.23 | 69.02 | 76.23 | 73.89 | 68.35 | 57.69 | 38.47 | 40.58 | 54.07 | |||||||||||||
1980 | 28.00 | 37.86 | 43.77 | 56.00 | 59.37 | 62.73 | 74.19 | 70.00 | 65.52 | 53.35 | 44.22 | 40.47 | 52.96 | |||||||||||||
1981 | 37.92 | 39.89 | 47.73 | 53.08 | 58.55 | 64.80 | 73.89 | 79.92 | 68.92 | 55.10 | 45.77 | 37.89 | 55.29 | |||||||||||||
1982 | 35.29 | 41.52 | 46.56 | 49.75 | 59.02 | 70.87 | 74.66 | 75.55 | 64.70 | 53.55 | 39.60 | 37.98 | 54.09 | |||||||||||||
1983 | 43.06 | 45.41 | 49.71 | 52.60 | 62.08 | 65.48 | 71.39 | 76.56 | 61.37 | 54.15 | 47.67 | 24.42 | 54.49 | |||||||||||||
1984 | 35.35 | 41.79 | 49.26 | 51.35 | 58.08 | 66.32 | 78.56 | 76.06 | 61.90 | 51.61 | 44.02 | 29.94 | 53.69 | |||||||||||||
1985 | 26.85 | 35.02 | 45.34 | 56.12 | 62.55 | 68.93 | 82.31 | 71.94 | 59.82 | 52.87 | 27.03 | 20.60 | 50.78 | |||||||||||||
1986 | 35.74 | 39.09 | 49.45 | 50.93 | 59.37 | 71.22 | 70.00 | 78.97 | 60.67 | 55.63 | 43.17 | 31.79 | 53.84 | |||||||||||||
1987 | 31.10 | 39.89 | 48.48 | 56.95 | 62.39 | 70.45 | 71.56 | 73.39 | 68.57 | 55.32 | 42.79 | a | 33.32 | a | 54.52 | |||||||||||
1988 | 32.90 | 41.98 | 45.63 | 53.92 | 59.39 | 66.48 | 75.24 | 73.66 | 65.22 | 59.68 | 45.28 | 32.74 | 54.34 | |||||||||||||
1989 | 36.85 | 24.09 | 41.53 | 53.92 | 57.82 | 68.05 | 73.27 | 71.13 | 66.17 | 53.77 | 45.25 | 33.92 | 52.15 | |||||||||||||
1990 | 39.97 | 38.05 | 47.19 | 56.50 | 57.81 | 66.78 | 77.92 | 75.08 | 71.50 | 52.61 | 46.68 | 26.29 | 54.70 | |||||||||||||
1991 | 31.68 | 45.68 | 43.95 | 51.13 | 55.63 | 61.63 | 73.61 | 76.79 | 67.30 | 53.58 | 42.15 | 37.35 | 53.37 | |||||||||||||
1992 | 40.42 | 42.97 | 50.39 | 55.20 | 64.18 | 72.95 | 74.03 | 75.03 | 63.20 | 55.23 | 40.65 | 32.58 | 55.57 | |||||||||||||
1993 | 23.74 | b | 29.80 | 43.47 | 51.45 | 62.35 | 64.62 | 67.73 | 70.92 | 66.53 | 55.97 | 36.08 | 36.98 | 50.80 | ||||||||||||
1994 | 42.31 | 36.98 | 49.10 | 56.92 | 63.76 | 68.37 | 79.85 | 76.24 | 70.50 | 54.35 | 42.77 | 38.32 | 56.62 | |||||||||||||
1995 | 36.60 | 43.73 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.60 | k | |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.55 | u | 46.42 | 37.05 | 41.73 | j | ||
1999 | 42.06 | 43.12 | 45.71 | 49.57 | 55.63 | 65.17 | 72.84 | 75.06 | 64.07 | 52.45 | 47.12 | 38.37 | 54.26 | |||||||||||||
2000 | 35.76 | b | 39.60 | 45.08 | 55.17 | 59.50 | 66.78 | 74.60 | 73.82 | 62.88 | 51.56 | 35.70 | 31.23 | 52.64 | ||||||||||||
2001 | 33.40 | 36.57 | 45.89 | 49.07 | 60.42 | 63.65 | 73.30 | a | 76.23 | 67.95 | 52.52 | 43.12 | 37.39 | 53.29 | ||||||||||||
2002 | 38.10 | 40.11 | 42.18 | 51.59 | a | 56.92 | 67.57 | 77.13 | 71.94 | 64.67 | 49.80 | a | 41.42 | 39.60 | 53.42 | |||||||||||
2003 | 41.02 | 39.41 | 49.40 | b | 51.17 | 59.18 | 69.48 | 78.83 | a | 75.42 | 67.55 | 57.15 | 39.45 | 35.45 | 55.29 | |||||||||||
2004 | 30.00 | a | 41.47 | 52.44 | 55.60 | 58.05 | 66.77 | 76.95 | 75.69 | 63.45 | 54.87 | 42.30 | 37.94 | 54.63 | ||||||||||||
2005 | 34.43 | a | 39.64 | 49.40 | 53.17 | 61.58 | 65.48 | 76.84 | 76.15 | 64.18 | 55.63 | 40.55 | 31.29 | 54.03 | ||||||||||||
2006 | 43.95 | 38.04 | 46.13 | 51.83 | 60.56 | 67.87 | 78.58 | 73.92 | 66.15 | 52.21 | 43.92 | 33.50 | 54.72 | |||||||||||||
2007 | 32.05 | 39.77 | 48.81 | 52.47 | 61.92 | 67.80 | 79.81 | 73.60 | 65.27 | 52.37 | 41.70 | 38.27 | 54.49 | |||||||||||||
2008 | 34.43 | a | 42.14 | 43.92 | 48.47 | 60.94 | 65.68 | 74.84 | 73.69 | 65.20 | 52.73 | 44.42 | 29.58 | a | 53.00 | |||||||||||
2009 | 35.10 | 37.07 | 42.45 | 51.95 | 61.74 | 68.63 | 78.31 | 75.79 | 68.75 | 50.31 | 45.22 | 29.08 | 53.70 | |||||||||||||
2010 | 41.37 | 43.43 | 47.37 | 51.60 | 55.95 | 65.03 | 75.13 | 73.77 | 66.07 | 55.16 | 39.78 | 35.42 | 54.17 | |||||||||||||
2011 | 37.73 | 38.39 | 46.89 | 47.38 | 56.00 | 63.98 | 72.02 | b | 75.76 | b | 69.83 | 54.66 | 43.18 | 33.63 | 53.29 | |||||||||||
2012 | 36.97 | 38.48 | a | 45.47 | 53.33 | 58.27 | 63.55 | 75.31 | 76.13 | 67.28 | 53.77 | 44.92 | 40.10 | 54.47 | ||||||||||||
2013 | 32.55 | 41.59 | 48.10 | 52.33 | 62.26 | 68.23 | 79.32 | 76.94 | 68.24 | a | 51.32 | 40.37 | 31.98 | b | 54.44 | |||||||||||
2014 | 36.31 | 35.00 | 47.81 | 52.88 | 62.50 | 67.25 | 80.69 | 76.95 | 67.80 | 59.89 | 39.68 | 38.66 | 55.45 | |||||||||||||
2015 | 37.32 | 45.96 | 52.05 | 52.83 | 64.37 | 76.58 | 79.89 | 77.10 | 64.68 | 58.73 | 39.98 | 38.00 | 57.29 | |||||||||||||
2016 | 36.29 | 44.71 | 48.27 | 57.42 | 61.42 | 68.70 | 73.44 | 74.71 | 63.40 | 54.44 | 48.68 | 29.60 | 55.09 | |||||||||||||
2017 | 22.22 | a | 36.38 | 48.34 | 52.72 | 61.60 | 69.73 | 79.93 | a | 78.52 | 67.30 | 53.05 | 44.67 | 32.45 | 53.91 | |||||||||||
2018 | 41.44 | 40.23 | 46.24 | 52.98 | 65.71 | 67.68 | 79.02 | 75.65 | 64.38 | 53.40 | 42.13 | 39.66 | 55.71 | |||||||||||||
2019 | 38.24 | 28.20 | 37.80 | a | 54.09 | a | 62.82 | 68.35 | 74.05 | 76.74 | 65.43 | 49.10 | a | 38.53 | 35.26 | 52.38 | ||||||||||
2020 | 40.90 | 41.40 | 43.77 | 51.63 | 59.19 | 65.75 | 74.63 | 75.02 | 67.40 | 54.19 | 42.30 | 35.76 | 54.33 | |||||||||||||
2021 | 39.81 | 34.79 | 45.74 | 52.70 | 60.23 | 74.35 | 80.11 | 74.40 | 65.43 | 53.71 | 45.22 | 35.00 | 55.12 | |||||||||||||
2022 | 33.13 | 38.43 | 47.32 | 45.92 | 54.52 | 65.05 | 77.56 | 78.47 | 67.90 | 58.18 | 34.70 | 28.56 | 52.48 | |||||||||||||
2023 | 37.18 | 36.75 | 42.61 | 49.88 | 63.76 | 68.92 | 77.31 | 75.40 | 64.87 | 53.82 | 39.63 | 38.69 | 54.07 | |||||||||||||
2024 | 30.03 | 41.21 | 46.76 | 51.47 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.33 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.29 | 39.21 | 45.77 | 52.05 | 59.75 | 67.21 | 75.54 | 74.43 | 65.57 | 53.89 | 42.05 | 35.17 | 53.74 | |||||||||||||
S.D. | 6.33 | 4.12 | 2.81 | 2.73 | 2.75 | 3.03 | 2.91 | 2.75 | 2.80 | 2.47 | 3.82 | 4.22 | 1.36 | |||||||||||||
SKEW | -0.86 | -1.16 | -0.18 | 0.01 | 0.01 | 0.40 | -0.03 | -0.09 | -0.19 | 0.38 | -1.17 | -0.89 | -0.13 | |||||||||||||
MAX | 46.13 | 46.29 | 52.44 | 57.42 | 65.71 | 76.58 | 82.31 | 80.10 | 71.50 | 59.89 | 48.68 | 41.63 | 57.29 | |||||||||||||
MIN | 16.50 | 24.09 | 37.80 | 45.92 | 54.52 | 60.95 | 67.73 | 68.66 | 59.02 | 49.10 | 27.03 | 20.60 | 50.40 | |||||||||||||
YRS | 73 | 72 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 72 | 72 | 71 |