YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | 28.08 | 34.21 | b | 42.94 | 47.98 | 54.53 | 57.33 | d | 60.29 | 60.60 | 58.55 | 46.40 | 49.05 | 36.48 | 48.04 | |||||||||||
1950 | 20.62 | b | 39.20 | 41.71 | 46.32 | 50.87 | 59.62 | 61.52 | 62.05 | 56.92 | 48.81 | 41.92 | 44.32 | 47.82 | ||||||||||||
1951 | 36.19 | 38.89 | 37.60 | 48.37 | 54.00 | 60.32 | 62.71 | 61.48 | 58.12 | a | 49.11 | 42.75 | 33.81 | 48.61 | ||||||||||||
1952 | 34.47 | 39.91 | 42.06 | 47.32 | 53.50 | 55.35 | 60.84 | 61.66 | 58.35 | 51.87 | 40.65 | 41.24 | 48.94 | |||||||||||||
1953 | 43.13 | 40.34 | 43.39 | 47.82 | 53.71 | 55.88 | 61.74 | 62.56 | 57.48 | 51.56 | 47.02 | 42.11 | 50.56 | |||||||||||||
1954 | 31.98 | 41.48 | 39.89 | 45.07 | 52.77 | 55.30 | 58.69 | 59.19 | 57.48 | 48.68 | 47.72 | 40.97 | 48.27 | |||||||||||||
1955 | 37.94 | 37.14 | 37.71 | 44.48 | 49.69 | 57.07 | 58.68 | 58.84 | 55.43 | 48.94 | 37.73 | d | 35.50 | 46.60 | ||||||||||||
1956 | 37.11 | 34.43 | 40.23 | 48.72 | 55.79 | 56.55 | 63.06 | 62.73 | 56.57 | 48.48 | 40.70 | 38.92 | 48.61 | |||||||||||||
1957 | 28.02 | 36.34 | 42.89 | 49.60 | 56.89 | 59.18 | 59.74 | 60.60 | 60.30 | 49.19 | 42.08 | 42.63 | 48.95 | |||||||||||||
1958 | 42.71 | 44.89 | 43.35 | 48.63 | 58.40 | 63.50 | 67.97 | 65.11 | 58.03 | 51.52 | 42.05 | 41.44 | 52.30 | |||||||||||||
1959 | 38.13 | 39.07 | 43.84 | 47.85 | 53.26 | 59.18 | 63.60 | 59.85 | 55.58 | 49.97 | 40.90 | 39.29 | 49.21 | |||||||||||||
1960 | 37.15 | 40.76 | 42.37 | 49.25 | 52.77 | 57.53 | 64.31 | 60.73 | 55.87 | 51.77 | 43.02 | 38.35 | 49.49 | |||||||||||||
1961 | 41.77 | 44.38 | 46.08 | 48.05 | 54.31 | 60.83 | 64.60 | 65.16 | 55.97 | 48.65 | 40.58 | 39.15 | 50.79 | |||||||||||||
1962 | 37.19 | 42.00 | 41.13 | 49.25 | 51.10 | 57.67 | 61.31 | 60.68 | 57.02 | 51.68 | 46.30 | 41.98 | 49.77 | |||||||||||||
1963 | 32.06 | 45.36 | 43.18 | 47.93 | 54.16 | 57.97 | 60.32 | 63.23 | 60.48 | 52.24 | 44.75 | 40.03 | 50.14 | |||||||||||||
1964 | 41.89 | 39.90 | 42.76 | 45.55 | 51.68 | 57.42 | 60.68 | 60.08 | 55.35 | 51.08 | 40.88 | 32.81 | 48.34 | |||||||||||||
1965 | 36.68 | 40.89 | 42.19 | 48.42 | 51.13 | 58.38 | 63.35 | a | 62.52 | 55.45 | 52.77 | 45.62 | 37.18 | 49.55 | ||||||||||||
1966 | 37.10 | 39.71 | 42.68 | 47.15 | 51.50 | 56.73 | 59.58 | 61.02 | 58.10 | 48.23 | 43.65 | 42.73 | 49.01 | |||||||||||||
1967 | 39.95 | 40.95 | 41.23 | 44.42 | 53.11 | 61.87 | 63.18 | 66.11 | 60.57 | 52.26 | 44.67 | 39.58 | 50.66 | |||||||||||||
1968 | 39.31 | 43.14 | 46.27 | 46.67 | 54.53 | 58.57 | 64.39 | 61.81 | 56.47 | 50.26 | 45.05 | 35.23 | 50.14 | |||||||||||||
1969 | 28.03 | 40.21 | 43.32 | 46.32 | 55.11 | 61.47 | 60.37 | 58.66 | 56.17 | 48.94 | 44.80 | 41.61 | 48.75 | |||||||||||||
1970 | 37.58 | 43.91 | 44.21 | 46.80 | 52.81 | 60.28 | 62.10 | 61.56 | 55.90 | 48.94 | 43.25 | 37.35 | 49.56 | |||||||||||||
1971 | 36.45 | 39.64 | 40.11 | 46.13 | 52.42 | 54.75 | 61.74 | 63.95 | 55.15 | 47.61 | 43.25 | 33.47 | 47.89 | |||||||||||||
1972 | 32.40 | 39.60 | 44.35 | 44.95 | 54.61 | 57.13 | 61.79 | 62.89 | 53.20 | 46.50 | 44.15 | 35.48 | 48.09 | |||||||||||||
1973 | 36.56 | 39.64 | 42.53 | 47.00 | 53.76 | 57.58 | 62.48 | 60.08 | 59.55 | 50.39 | 41.33 | 42.87 | 49.48 | |||||||||||||
1974 | 38.44 | 42.59 | 45.02 | 48.82 | 51.69 | 58.80 | 60.81 | 62.29 | 61.22 | 50.63 | 44.25 | 42.02 | 50.55 | |||||||||||||
1975 | 36.76 | 37.02 | 41.50 | 44.30 | 52.50 | 56.50 | 62.89 | 60.21 | 58.13 | 49.06 | 44.33 | 38.85 | 48.50 | |||||||||||||
1976 | 40.82 | 39.88 | 39.69 | 47.57 | 52.53 | 56.75 | 62.61 | 60.98 | 58.75 | 51.11 | 44.62 | 42.85 | 49.85 | |||||||||||||
1977 | 35.45 | 45.38 | 44.24 | 51.36 | a | 53.05 | 60.70 | 61.74 | 66.85 | 57.52 | 51.06 | 43.87 | 37.92 | 50.76 | ||||||||||||
1978 | 38.90 | 43.43 | 47.00 | 50.15 | 55.08 | 61.60 | 63.44 | 62.65 | 56.83 | 50.50 | 38.15 | 35.37 | 50.26 | |||||||||||||
1979 | 30.19 | 38.77 | 44.41 | b | 48.33 | 54.60 | 57.80 | 63.56 | 62.90 | 60.08 | 51.44 | 40.65 | 43.27 | 49.67 | ||||||||||||
1980 | 32.58 | 42.71 | 42.85 | 50.42 | 53.40 | 57.00 | 60.85 | 59.97 | 57.88 | 51.10 | 44.97 | 40.26 | 49.50 | |||||||||||||
1981 | 41.89 | 41.50 | 46.05 | 48.05 | 54.10 | 56.17 | 61.66 | 64.31 | 58.15 | 48.82 | 45.65 | 39.16 | 50.46 | |||||||||||||
1982 | 35.13 | 40.16 | 41.79 | 45.28 | 52.44 | 60.80 | 60.53 | 61.19 | 58.43 | 50.31 | 39.98 | 39.32 | 48.78 | |||||||||||||
1983 | 43.26 | 44.32 | 47.74 | 48.20 | 55.68 | 58.35 | 60.69 | 62.81 | 55.12 | 47.68 | 45.93 | 31.02 | 50.07 | |||||||||||||
1984 | 39.26 | 42.62 | 45.42 | 47.32 | 51.23 | 56.95 | 61.45 | 62.03 | 55.37 | 47.21 | 43.65 | 31.95 | 48.70 | |||||||||||||
1985 | 33.60 | 38.57 | 42.42 | 48.67 | 54.13 | 58.35 | 66.69 | 63.06 | 56.72 | 50.90 | 32.30 | 34.53 | 48.33 | |||||||||||||
1986 | 45.26 | 39.98 | 47.10 | 46.63 | 54.29 | 60.03 | 59.66 | 64.92 | 57.30 | 51.52 | 43.13 | 40.47 | 50.86 | |||||||||||||
1987 | 39.82 | 44.54 | 47.45 | 51.07 | 55.03 | 59.93 | 62.19 | 62.85 | 59.17 | 52.03 | 47.45 | 37.81 | 51.61 | |||||||||||||
1988 | 37.97 | 42.38 | 44.34 | 49.18 | 54.48 | 57.97 | 62.31 | 62.58 | 57.07 | 52.95 | 45.38 | 40.90 | 50.63 | |||||||||||||
1989 | 38.77 | 33.83 | a | 42.45 | 51.95 | 54.18 | 61.22 | 62.10 | 61.97 | 59.23 | 51.19 | 45.15 | 41.02 | 50.26 | ||||||||||||
1990 | 41.27 | 37.89 | 45.11 | 51.23 | 54.95 | 59.08 | 65.84 | 65.65 | 59.85 | 49.81 | 45.32 | 33.61 | 50.80 | |||||||||||||
1991 | 35.56 | 46.27 | 42.44 | 48.95 | 53.94 | 57.25 | 63.35 | 63.98 | 59.27 | 48.73 | 45.33 | 42.52 | 50.63 | |||||||||||||
1992 | 43.48 | 45.09 | 48.47 | 51.68 | 57.24 | 62.47 | 63.74 | 63.08 | 56.50 | 52.40 | 43.85 | 36.34 | 52.03 | |||||||||||||
1993 | 32.77 | 39.05 | 46.45 | 50.48 | 58.69 | 59.52 | 60.90 | 62.79 | 57.58 | 52.77 | 39.38 | 40.18 | 50.05 | |||||||||||||
1994 | 44.98 | 38.91 | 47.06 | 51.40 | 56.29 | 58.28 | 64.32 | 64.56 | 60.37 | 50.39 | 41.28 | 40.27 | 51.51 | |||||||||||||
1995 | 41.06 | 43.34 | 45.55 | 49.62 | 57.58 | 61.58 | 64.48 | 60.55 | 61.68 | 50.29 | 47.53 | 40.63 | 51.99 | |||||||||||||
1996 | 36.19 | 41.19 | 44.73 | 51.32 | 53.18 | 58.77 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.56 | f | ||||||
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.92 | l | 50.43 | a | 45.72 | 39.08 | 45.08 | i | ||
1999 | 41.18 | 42.77 | 43.19 | 46.32 | 50.95 | 56.57 | 60.34 | 62.52 | 56.22 | 48.31 | 45.40 | 40.21 | 49.50 | |||||||||||||
2000 | 37.81 | 41.05 | 42.84 | 48.93 | 51.63 | 58.10 | 61.50 | 59.84 | 56.55 | 50.13 | 40.63 | 36.79 | 48.82 | |||||||||||||
2001 | 40.03 | 38.05 | 44.10 | 47.28 | 52.69 | 55.90 | 60.44 | 61.76 | 56.30 | 48.21 | 45.55 | a | 38.74 | 49.09 | ||||||||||||
2002 | 39.06 | 39.93 | 38.23 | 46.90 | 51.26 | 59.28 | 61.55 | 61.69 | 56.37 | 47.76 | 45.67 | a | 41.66 | 49.11 | ||||||||||||
2003 | 43.27 | 39.64 | 45.19 | 48.78 | a | 52.94 | 59.77 | 63.89 | 62.77 | 58.37 | 52.39 | 39.98 | 40.35 | 50.61 | ||||||||||||
2004 | 38.58 | 41.88 | 46.11 | 50.95 | 54.73 | 60.17 | 64.90 | 64.56 | 55.93 | 50.31 | 43.23 | 41.03 | 51.03 | |||||||||||||
2005 | 38.60 | 39.45 | 46.65 | 49.50 | 56.76 | 58.23 | 62.29 | 62.94 | 55.13 | 51.48 | 41.40 | 39.65 | 50.17 | |||||||||||||
2006 | 44.32 | 39.77 | 43.76 | 47.78 | 53.68 | 59.98 | a | 62.81 | 61.34 | 57.35 | 48.79 | 43.02 | 40.75 | a | 50.28 | |||||||||||
2007 | 36.42 | 42.02 | 45.34 | 47.63 | 53.18 | 57.58 | 64.00 | 61.24 | 55.82 | 49.08 | 41.43 | 38.40 | 49.35 | |||||||||||||
2008 | 36.85 | 40.95 | 41.31 | 44.72 | 52.90 | 55.27 | 60.40 | 61.42 | 56.45 | 47.84 | 45.93 | 33.10 | 48.09 | |||||||||||||
2009 | 36.48 | 37.96 | 40.33 | b | 47.73 | 53.35 | 61.08 | 65.35 | 62.53 | 59.25 | 48.97 | b | 45.53 | 35.08 | 49.47 | |||||||||||
2010 | 45.34 | 45.23 | 45.60 | 49.13 | 52.15 | 57.32 | 62.32 | 62.89 | 59.68 | 52.32 | 41.70 | 42.60 | 51.36 | |||||||||||||
2011 | 40.45 | 38.45 | 45.72 | a | 45.35 | 52.23 | 58.71 | a | 61.58 | 63.24 | 60.80 | 50.35 | 41.72 | 39.50 | 49.84 | |||||||||||
2012 | 39.16 | 43.68 | a | 42.52 | 49.52 | 53.32 | 56.12 | 62.00 | 63.85 | 57.97 | 50.74 | 46.28 | 40.42 | 50.46 | ||||||||||||
2013 | 37.32 | 44.21 | 44.82 | 48.35 | 55.52 | 60.75 | 64.60 | 65.26 | 59.95 | 49.13 | 43.63 | 35.94 | 50.79 | |||||||||||||
2014 | 40.82 | 37.59 | 45.65 | 50.62 | 57.44 | 60.28 | 65.35 | 66.27 | 61.12 | 56.35 | 43.95 | 42.35 | 52.32 | |||||||||||||
2015 | 42.45 | 46.98 | 48.50 | 49.08 | 57.44 | 64.03 | 67.23 | 65.76 | 56.80 | 54.52 | 42.07 | 41.82 | 53.06 | |||||||||||||
2016 | 41.19 | 45.97 | 48.77 | 53.95 | 57.42 | 60.42 | 64.32 | 65.26 | 57.98 | 52.98 | 50.35 | 34.15 | 52.73 | |||||||||||||
2017 | 35.52 | 38.16 | 45.23 | 50.65 | 55.58 | 60.47 | 63.53 | 65.24 | 60.93 | 50.18 | 45.32 | 37.05 | 50.65 | |||||||||||||
2018 | 42.63 | 39.11 | 43.35 | 49.32 | 58.00 | 59.92 | 66.26 | 65.06 | 58.62 | 51.05 | 46.80 | 41.08 | a | 51.77 | ||||||||||||
2019 | 41.45 | 32.54 | 44.26 | 50.47 | 57.94 | 60.62 | 64.05 | 65.02 | 60.63 | 49.10 | 45.45 | 42.82 | 51.19 | |||||||||||||
2020 | 41.29 | 40.62 | 42.60 | 49.63 | 56.89 | 59.53 | 63.44 | 63.82 | 62.07 | 51.50 | 44.62 | 41.98 | 51.50 | |||||||||||||
2021 | 42.97 | 38.61 | 44.82 | 50.70 | 55.10 | 64.15 | 65.89 | 64.84 | 59.42 | 50.84 | 46.95 | 34.63 | 51.58 | |||||||||||||
2022 | 39.66 | 40.36 | 45.90 | 46.93 | 52.81 | 60.40 | 65.95 | 67.05 | 61.25 | 53.97 | 39.23 | 34.47 | 50.67 | |||||||||||||
2023 | 42.35 | 39.52 | 43.74 | 47.43 | 59.10 | 59.58 | 64.85 | 65.42 | 58.92 | 51.21 | 42.45 | 43.32 | 51.49 | |||||||||||||
2024 | 37.95 | 42.09 | a | 44.02 | a | 46.71 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.35 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.10 | 40.70 | 43.78 | 48.35 | 54.13 | 58.87 | 62.69 | 62.74 | 57.92 | 50.35 | 43.56 | 38.93 | 50.00 | |||||||||||||
S.D. | 4.48 | 2.97 | 2.45 | 2.04 | 2.13 | 2.10 | 2.05 | 2.00 | 1.95 | 1.87 | 2.87 | 3.22 | 1.31 | |||||||||||||
SKEW | -1.12 | -0.20 | -0.29 | 0.06 | 0.43 | 0.29 | 0.33 | 0.13 | 0.17 | 0.34 | -0.78 | -0.57 | 0.03 | |||||||||||||
MAX | 45.34 | 46.98 | 48.77 | 53.95 | 59.10 | 64.15 | 67.97 | 67.05 | 62.07 | 56.35 | 50.35 | 44.32 | 53.06 | |||||||||||||
MIN | 20.62 | 32.54 | 37.60 | 44.30 | 49.69 | 54.75 | 58.68 | 58.66 | 53.20 | 46.40 | 32.30 | 31.02 | 46.60 | |||||||||||||
YRS | 74 | 74 | 74 | 73 | 73 | 73 | 72 | 72 | 72 | 73 | 73 | 73 | 72 |