YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | 48.92 | 58.12 | e | 64.08 | l | 61.77 | 54.32 | 46.29 | ----- | z | ----- | z | 53.88 | g | ||||
1949 | 16.97 | 32.73 | 38.31 | 48.52 | 55.92 | 58.58 | 64.52 | 63.55 | 58.52 | 44.21 | 44.40 | 32.65 | 46.57 | |||||||||||||
1950 | 19.79 | 35.52 | 37.76 | 42.65 | 50.35 | 58.18 | 65.18 | 65.73 | ----- | z | 48.10 | a | 41.72 | 40.61 | 45.96 | a | ||||||||||
1951 | 30.40 | a | 36.21 | 35.81 | 46.18 | 50.73 | 59.33 | 66.27 | 62.73 | 59.20 | 46.05 | 38.95 | 28.35 | 46.68 | ||||||||||||
1952 | 29.11 | 34.72 | 37.02 | 47.78 | 53.92 | r | 56.23 | 67.71 | 65.19 | 61.58 | 53.45 | 32.85 | 32.02 | 47.06 | a | |||||||||||
1953 | 41.40 | 36.38 | 39.66 | 43.22 | 47.73 | 52.13 | 64.71 | 63.19 | 61.17 | a | 48.94 | 43.90 | 36.73 | 48.26 | ||||||||||||
1954 | 32.23 | 39.39 | 35.21 | 45.78 | 52.03 | 54.28 | 63.87 | 59.21 | 54.75 | 45.63 | 43.32 | 32.34 | 46.50 | |||||||||||||
1955 | 31.02 | 32.07 | 34.77 | 38.87 | 48.23 | 58.95 | 61.87 | 64.00 | 56.85 | 49.40 | 35.58 | 31.37 | 45.25 | |||||||||||||
1956 | 33.47 | 30.69 | 39.15 | 46.12 | 53.79 | 55.50 | 66.82 | 62.84 | 57.95 | 45.97 | 36.18 | 36.79 | 47.11 | |||||||||||||
1957 | 18.26 | 35.23 | 39.97 | 45.50 | 53.87 | 59.85 | 62.77 | 60.00 | 59.58 | 45.02 | 37.00 | 37.77 | 46.24 | |||||||||||||
1958 | 35.60 | 42.71 | 37.11 | 43.72 | 58.02 | 60.58 | 68.98 | 69.27 | 56.55 | 51.10 | 39.97 | 39.02 | 50.22 | |||||||||||||
1959 | 34.13 | 32.57 | 40.29 | 46.07 | 47.05 | 59.47 | 67.48 | 61.37 | 54.17 | 48.61 | 37.97 | 31.61 | 46.73 | |||||||||||||
1960 | 25.52 | 32.28 | 41.16 | 46.12 | 48.32 | 60.40 | 69.45 | 61.58 | 57.22 | 47.74 | 34.38 | 31.65 | 46.32 | |||||||||||||
1961 | 34.31 | 39.68 | 39.98 | 40.80 | 45.92 | 63.35 | 67.05 | 69.23 | 51.63 | 44.94 | 33.52 | 31.45 | 46.82 | |||||||||||||
1962 | 27.63 | 34.48 | 36.92 | 47.32 | 47.16 | 57.20 | 63.15 | 61.16 | 58.68 | 47.61 | 40.80 | 36.21 | 46.53 | |||||||||||||
1963 | 25.77 | 42.61 | 39.02 | 41.63 | 52.02 | 56.47 | 60.13 | 62.82 | 62.82 | 48.10 | 38.85 | 31.82 | 46.84 | |||||||||||||
1964 | 32.37 | 32.89 | a | 34.92 | 39.33 | 47.92 | 56.52 | 63.79 | 60.47 | 54.23 | 48.15 | 35.37 | 30.98 | 44.74 | ||||||||||||
1965 | 33.81 | 38.12 | 37.84 | 46.07 | 49.13 | 58.37 | 66.23 | 63.90 | 53.17 | 53.48 | 41.18 | 31.63 | 47.74 | |||||||||||||
1966 | 34.37 | 33.93 | 40.29 | 45.58 | 52.98 | 57.28 | 62.77 | 64.39 | 59.82 | 49.27 | 41.10 | 34.37 | 48.01 | |||||||||||||
1967 | 35.50 | 38.45 | 38.00 | 39.35 | 51.82 | 61.40 | 69.58 | 72.56 | 63.78 | 49.76 | 38.43 | 30.13 | 49.06 | |||||||||||||
1968 | 32.37 | 39.02 | 43.58 | 44.52 | 54.06 | 62.88 | 72.08 | 63.52 | 57.53 | 50.02 | 43.23 | 31.68 | 49.54 | |||||||||||||
1969 | 22.48 | 29.68 | 38.08 | 42.97 | 54.21 | 60.28 | 63.47 | 62.39 | 57.40 | 43.32 | 39.87 | 33.66 | 45.65 | |||||||||||||
1970 | 33.00 | 37.77 | 39.13 | 39.37 | 51.69 | 62.60 | 67.60 | 66.11 | 52.25 | 47.03 | 40.22 | 33.71 | 47.54 | |||||||||||||
1971 | 37.00 | 34.62 | 34.98 | 41.20 | 50.23 | 54.63 | 66.45 | 68.19 | 52.40 | 43.90 | 38.40 | 30.71 | 46.06 | |||||||||||||
1972 | 29.95 | 36.41 | 42.71 | 40.00 | 54.08 | 60.68 | 67.58 | 67.63 | 54.60 | 45.66 | 39.50 | 25.06 | 46.99 | |||||||||||||
1973 | 29.26 | 36.41 | 38.10 | 44.75 | 54.76 | 59.93 | 67.47 | 64.29 | 57.60 | 47.32 | 36.35 | 36.90 | 47.76 | |||||||||||||
1974 | 26.27 | 37.04 | 39.58 | 43.57 | 48.45 | 62.97 | 64.32 | 65.73 | 59.62 | 47.48 | 38.68 | 32.63 | 47.19 | |||||||||||||
1975 | 33.06 | 32.89 | 34.85 | 38.50 | 48.92 | 56.20 | 67.79 | 60.65 | 58.63 | 47.74 | 36.10 | 32.61 | 45.66 | |||||||||||||
1976 | 34.98 | 34.57 | 36.73 | 42.43 | 51.24 | 55.47 | 66.55 | 61.85 | 59.83 | 48.82 | 41.75 | 34.42 | 47.39 | |||||||||||||
1977 | 28.21 | 37.70 | 36.48 | 47.13 | 46.45 | 62.87 | 64.53 | 69.56 | 54.67 | 47.66 | 36.07 | 34.85 | 47.18 | |||||||||||||
1978 | 34.23 | 37.77 | 43.56 | 43.57 | 48.16 | 59.15 | 66.40 | 63.87 | 55.30 | 49.02 | 30.70 | 25.74 | 46.46 | |||||||||||||
1979 | 15.26 | 34.54 | 40.60 | 44.33 | 53.69 | 60.15 | 67.21 | 63.79 | 61.80 | 51.66 | 35.30 | 37.15 | 47.12 | |||||||||||||
1980 | 28.23 | 36.84 | 38.26 | 46.68 | 51.29 | 55.17 | 67.10 | 61.48 | 58.67 | 48.35 | 40.12 | 38.50 | 47.56 | |||||||||||||
1981 | 32.48 | 37.05 | 39.66 | 45.08 | 49.94 | 57.42 | 63.37 | 68.73 | 58.07 | 46.19 | 39.12 | 33.16 | 47.52 | |||||||||||||
1982 | 28.37 | 34.59 | 38.98 | 42.22 | 49.50 | 60.88 | 64.44 | 65.00 | 54.70 | 46.16 | 34.27 | 29.81 | 45.74 | |||||||||||||
1983 | 37.03 | 39.11 | 42.35 | 42.63 | 52.92 | 56.00 | 61.74 | 67.35 | 54.13 | 50.18 | 39.13 | 23.02 | 47.13 | |||||||||||||
1984 | 33.71 | 37.67 | 42.26 | 42.13 | 50.02 | 55.92 | 67.23 | 66.10 | 55.48 | 43.81 | 36.75 | 28.10 | 46.60 | |||||||||||||
1985 | 28.24 | 32.43 | 38.00 | 48.35 | 52.29 | 60.83 | 71.35 | 63.06 | 51.82 | 47.50 | 27.83 | 26.10 | 45.65 | |||||||||||||
1986 | 38.18 | 36.88 | 45.61 | 43.02 | 53.50 | 63.93 | 61.60 | 69.95 | 52.68 | 50.18 | 40.45 | 32.52 | 49.04 | |||||||||||||
1987 | 32.60 | 37.55 | 41.02 | 50.52 | a | 55.11 | 63.25 | 62.74 | 65.05 | 60.17 | 52.02 | 39.98 | 30.90 | 49.24 | ||||||||||||
1988 | 31.56 | 39.38 | 40.06 | 48.03 | 50.65 | 59.38 | 67.35 | 65.24 | 58.03 | 56.21 | 39.23 | 32.94 | 49.01 | |||||||||||||
1989 | 33.97 | 25.23 | 40.45 | 49.83 | 51.10 | 61.53 | 64.84 | 62.77 | 57.75 | 47.74 | 40.85 | 36.10 | 47.68 | |||||||||||||
1990 | 36.26 | 34.89 | 42.23 | 51.07 | 50.37 | 59.11 | c | ----- | z | ----- | z | ----- | z | ----- | z | 40.82 | 26.03 | 42.60 | d | |||||||
1991 | 32.65 | 42.66 | 38.42 | 43.28 | 48.79 | 54.57 | 67.45 | 68.11 | 59.90 | 47.92 | 39.78 | 33.82 | 48.11 | |||||||||||||
1992 | 36.90 | 40.28 | 43.24 | 47.97 | 57.31 | 62.90 | 64.40 | 65.84 | 58.13 | c | 50.02 | 37.38 | 26.11 | 49.21 | ||||||||||||
1993 | 19.61 | 25.52 | 40.76 | 43.40 | 55.02 | 56.13 | 57.68 | a | 61.61 | 58.20 | 50.10 | 30.53 | 33.10 | 44.31 | ||||||||||||
1994 | 36.90 | 32.89 | 40.63 | 46.80 | 53.61 | 57.90 | 68.29 | 64.44 | d | 60.95 | 46.27 | 33.77 | 32.98 | 47.95 | ||||||||||||
1995 | 34.31 | 40.05 | 39.16 | 42.73 | 51.52 | 57.07 | 64.55 | 61.45 | 60.27 | 46.52 | 43.25 | 34.65 | r | 49.17 | a | |||||||||||
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.15 | ----- | z | ----- | z | ----- | z | 56.15 | k | |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.98 | a | 66.70 | d | 69.23 | a | 61.38 | b | 49.33 | j | 43.04 | d | 33.52 | f | 60.07 | g |
1998 | 36.44 | g | 39.77 | d | 42.36 | b | 46.64 | b | 50.70 | c | 60.79 | b | 72.00 | a | 68.48 | b | 64.83 | 48.95 | b | 40.22 | c | 32.13 | h | 53.47 | b | |
1999 | 39.16 | c | 40.38 | x | 40.82 | i | 44.65 | c | 50.83 | e | 60.50 | d | 67.11 | d | 69.85 | a | 60.92 | d | 53.21 | e | 46.50 | m | 34.58 | g | 55.78 | d |
2000 | 33.48 | h | 39.53 | k | 42.30 | f | 50.88 | e | 50.27 | a | 58.70 | 63.69 | 63.16 | 56.02 | 44.69 | 31.02 | 31.53 | 50.00 | c | |||||||
2001 | 31.98 | 32.54 | 40.11 | 41.80 | 54.90 | 56.42 | 64.35 | 67.39 | 59.05 | 48.23 | 40.57 | 31.32 | 47.39 | |||||||||||||
2002 | 32.69 | 36.73 | 36.81 | 44.98 | 50.92 | 61.38 | 68.45 | 62.21 | 56.25 | 42.87 | 38.18 | 34.56 | 47.17 | |||||||||||||
2003 | 40.23 | 34.41 | 42.58 | 42.13 | 51.34 | 60.98 | 70.66 | 66.15 | 59.88 | 50.71 | 33.75 | 34.35 | 48.93 | |||||||||||||
2004 | 31.23 | 35.76 | 43.60 | 46.27 | 51.03 | 59.90 | 67.50 | 67.21 | 54.82 | 47.47 | 38.12 | 36.13 | 48.25 | |||||||||||||
2005 | 32.98 | 35.30 | 41.98 | 44.58 | 52.68 | 55.42 | 67.63 | 66.18 | 55.87 | 48.63 | 35.60 | 28.23 | 47.09 | |||||||||||||
2006 | 37.37 | 32.52 | 37.00 | 44.95 | 52.82 | 60.57 | 68.82 | 63.73 | 57.20 | 45.24 | 38.78 | 32.73 | 47.64 | |||||||||||||
2007 | 29.27 | 36.18 | 43.27 | 43.80 | 52.81 | 58.60 | 70.27 | 64.11 | 55.27 | 45.32 | 38.13 | 32.34 | 47.45 | |||||||||||||
2008 | 28.84 | 37.36 | 35.58 | 39.43 | 52.27 | 56.93 | 66.18 | 64.85 | 57.43 | 48.31 | 42.98 | 26.71 | 46.41 | |||||||||||||
2009 | 32.94 | 35.55 | 36.39 | 42.63 | 53.32 | 59.82 | 68.76 | 66.00 | 59.42 | 43.69 | 38.02 | 27.08 | 46.97 | |||||||||||||
2010 | 38.56 | 38.05 | 39.42 | 41.83 | 48.06 | 56.12 | 65.26 | 63.05 | 57.63 | 48.23 | 37.30 | 33.19 | 47.23 | |||||||||||||
2011 | 34.77 | 31.77 | 39.84 | 38.82 | 47.03 | 55.50 | 62.16 | 65.77 | 62.18 | 46.39 | 36.98 | 31.71 | 46.08 | |||||||||||||
2012 | 34.85 | 33.57 | 39.15 | 45.92 | 50.50 | 56.12 | 65.98 | 66.68 | 59.38 | 47.40 | 40.42 | 31.61 | 47.63 | |||||||||||||
2013 | 29.73 | 35.00 | 40.29 | 44.13 | 52.48 | 59.97 | 69.53 | 67.35 | 58.32 | 43.42 | 36.17 | 28.92 | 47.11 | |||||||||||||
2014 | 34.69 | 30.38 | 41.53 | 45.43 | 52.74 | 57.33 | 69.98 | 66.66 | 59.00 | 52.76 | 33.03 | 33.87 | 48.12 | |||||||||||||
2015 | 37.52 | 40.55 | 44.71 | 42.90 | 53.47 | 65.80 | 67.47 | 66.77 | 55.40 | 51.71 | 33.65 | 32.25 | g | 50.90 | a | |||||||||||
2016 | 34.19 | 41.16 | 41.24 | 50.10 | 54.65 | 61.05 | 65.50 | 66.52 | 55.80 | 48.87 | 44.30 | 24.15 | 48.96 | |||||||||||||
2017 | 22.11 | 34.96 | 42.85 | 43.33 | 53.65 | 60.53 | 69.98 | 69.34 | 59.22 | 45.69 | 39.97 | 28.21 | 47.49 | |||||||||||||
2018 | 36.65 | 34.46 | 39.90 | 45.97 | 58.31 | 61.27 | 70.68 | 67.08 | 56.25 | 48.24 | 38.30 | 34.79 | 49.32 | |||||||||||||
2019 | 36.65 | 29.27 | 34.42 | 48.02 | 55.15 | 60.77 | 66.24 | 69.13 | 58.65 | 43.66 | 38.70 | 35.34 | 48.00 | |||||||||||||
2020 | 38.95 | 36.98 | 38.35 | 47.22 | 54.23 | 60.97 | 67.95 | 68.42 | 62.42 | 51.27 | 40.78 | 36.16 | 50.31 | |||||||||||||
2021 | 36.42 | 34.89 | 39.85 | 46.78 | 53.98 | 67.68 | 72.34 | 67.95 | 59.75 | 49.40 | 44.05 | 34.97 | 50.67 | |||||||||||||
2022 | 37.44 | 36.95 | 43.76 | 41.93 | 50.45 | a | 61.52 | 72.26 | 72.69 | 61.78 | 53.40 | 34.88 | 28.98 | 49.67 | ||||||||||||
2023 | 34.87 | 34.89 | 35.58 | 45.48 | 57.66 | 62.60 | 70.58 | 69.89 | 58.72 | 50.08 | 39.80 | 40.03 | 50.02 | |||||||||||||
2024 | 33.71 | 37.90 | 41.06 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.55 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.04 | 35.68 | 39.50 | 44.48 | 51.74 | 59.19 | 66.52 | 65.33 | 57.78 | 48.06 | 38.24 | 32.27 | 47.49 | |||||||||||||
S.D. | 5.49 | 3.48 | 2.67 | 3.02 | 2.82 | 2.89 | 3.00 | 3.02 | 2.92 | 2.79 | 3.53 | 3.80 | 1.35 | |||||||||||||
SKEW | -1.14 | -0.48 | 0.02 | 0.04 | 0.12 | 0.16 | -0.22 | 0.21 | -0.05 | 0.38 | -0.53 | -0.23 | 0.26 | |||||||||||||
MAX | 41.40 | 42.71 | 45.61 | 51.07 | 58.31 | 67.68 | 72.34 | 72.69 | 64.83 | 56.21 | 44.40 | 40.61 | 50.67 | |||||||||||||
MIN | 15.26 | 25.23 | 34.42 | 38.50 | 45.92 | 52.13 | 57.68 | 59.21 | 51.63 | 42.87 | 27.83 | 23.02 | 44.31 | |||||||||||||
YRS | 72 | 72 | 72 | 73 | 73 | 75 | 73 | 74 | 74 | 73 | 73 | 69 | 65 |