YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | ----- | z | 36.30 | a | 37.17 | 42.52 | 48.00 | 54.10 | 57.39 | 50.37 | 44.03 | 36.43 | 32.87 | a | 43.92 | b | ||||||||
1951 | 30.87 | 37.32 | 32.71 | 39.73 | 45.77 | 50.40 | 54.48 | 53.87 | 51.13 | 44.87 | 38.87 | 36.90 | 43.08 | |||||||||||||
1952 | 36.39 | 32.10 | 33.29 | 34.00 | 42.97 | 48.53 | 51.23 | 52.87 | 50.00 | 44.55 | 39.38 | a | 29.10 | 41.20 | ||||||||||||
1953 | 30.45 | 30.04 | 30.26 | 37.93 | 44.00 | 52.37 | 57.65 | 56.90 | 50.57 | 41.13 | a | ----- | z | ----- | z | 43.13 | b | |||||||||
1954 | 30.95 | j | 27.18 | 36.97 | 37.77 | 43.74 | ----- | z | 55.90 | 56.97 | 53.77 | 46.87 | 40.80 | 30.13 | 43.01 | b | ||||||||||
1955 | 35.35 | 36.14 | 36.97 | 36.50 | 43.29 | 47.87 | 54.48 | 54.03 | 50.07 | 40.81 | 38.80 | 33.55 | 42.32 | |||||||||||||
1956 | 23.45 | 30.10 | 28.58 | 35.97 | 43.35 | 48.47 | 54.74 | 55.39 | 51.33 | 43.19 | 33.20 | 31.19 | 39.91 | |||||||||||||
1957 | 38.19 | 34.18 | 35.10 | 41.20 | 45.42 | 54.10 | 54.23 | 56.48 | 52.87 | 49.03 | 42.10 | 31.48 | 44.53 | |||||||||||||
1958 | 30.45 | 34.54 | 38.42 | 42.03 | 45.32 | 49.80 | 53.03 | 53.68 | 52.33 | 45.13 | 37.80 | 35.52 | 43.17 | |||||||||||||
1959 | 32.87 | 36.82 | 26.06 | 36.10 | 46.48 | 47.83 | 51.48 | 55.48 | 52.30 | 46.87 | 40.83 | 30.45 | 41.97 | |||||||||||||
1960 | 36.16 | 35.17 | 30.94 | 30.97 | 44.61 | 48.87 | 56.16 | 55.10 | 52.30 | 45.29 | 38.23 | 37.55 | 42.61 | |||||||||||||
1961 | 35.65 | 28.29 | 30.19 | 38.07 | 46.35 | 49.80 | 54.10 | 54.55 | 52.60 | 44.48 | 40.20 | 31.00 | 42.11 | |||||||||||||
1962 | 27.74 | 36.79 | 35.35 | 35.27 | 42.42 | 49.70 | 55.35 | 55.74 | 50.40 | 43.52 | 39.13 | 33.26 | 42.06 | |||||||||||||
1963 | 37.55 | 32.18 | 39.42 | 38.13 | 45.71 | 50.23 | 54.58 | 55.16 | 52.20 | 41.74 | 33.30 | 35.58 | 42.98 | |||||||||||||
1964 | 34.03 | 31.17 | 34.23 | 37.83 | 43.74 | 51.70 | 52.42 | 53.03 | 50.80 | 44.19 | 37.67 | 34.29 | 42.09 | |||||||||||||
1965 | 32.52 | 29.86 | 38.90 | 40.50 | 39.94 | 48.03 | 52.77 | 54.23 | 53.03 | 40.81 | 40.33 | 33.06 | 42.00 | |||||||||||||
1966 | 35.35 | 35.71 | 27.39 | 38.00 | 41.52 | 48.40 | 52.55 | 52.61 | 49.07 | 38.48 | 36.67 | 31.55 | 40.61 | |||||||||||||
1967 | 31.16 | 33.11 | 39.06 | 43.17 | 46.42 | 51.13 | 58.42 | 55.97 | 51.60 | 43.26 | 42.87 | 34.84 | 44.25 | |||||||||||||
1968 | 32.45 | 28.34 | 34.39 | 38.27 | 48.42 | 50.33 | 58.23 | 55.06 | 51.53 | 43.74 | 40.17 | 34.97 | 42.99 | |||||||||||||
1969 | 35.77 | 32.61 | 35.90 | 39.10 | 46.23 | 50.27 | 57.58 | 58.45 | 54.63 | 46.71 | 37.97 | 35.06 | 44.19 | |||||||||||||
1970 | 26.48 | 32.04 | 36.13 | 35.97 | 44.42 | 51.97 | 54.94 | 54.06 | 50.30 | 44.74 | 42.57 | 35.71 | 42.44 | |||||||||||||
1971 | 27.53 | a | 31.11 | 26.71 | 33.00 | 38.23 | 44.77 | 53.13 | 52.71 | 49.66 | a | 43.23 | a | 37.07 | 37.65 | 39.57 | ||||||||||
1972 | 32.32 | 27.66 | 24.13 | 34.77 | 44.35 | 45.97 | 53.77 | 54.26 | 53.47 | 45.16 | 39.07 | 34.58 | 40.79 | |||||||||||||
1973 | 28.13 | 34.57 | 33.94 | 35.93 | 40.68 | 47.00 | 51.39 | 54.06 | 50.70 | 42.77 | 41.93 | 34.35 | 41.29 | |||||||||||||
1974 | 33.77 | 23.50 | 35.06 | 36.77 | 46.87 | 51.43 | 53.94 | 56.68 | 53.73 | 45.58 | 38.97 | 33.35 | 42.47 | |||||||||||||
1975 | 30.81 | 28.82 | 31.81 | 36.37 | 43.48 | 51.73 | 55.16 | 57.55 | 50.37 | 43.48 | 34.23 | 32.61 | 41.37 | |||||||||||||
1976 | 31.13 | 29.97 | 27.71 | 31.87 | 41.13 | 50.43 | 54.74 | 56.13 | 49.77 | 43.58 | 35.70 | 33.35 | 40.46 | |||||||||||||
1977 | 38.97 | 37.93 | 35.97 | 36.63 | 45.06 | 54.23 | 60.39 | 57.61 | 56.13 | 43.97 | 36.10 | 34.00 | 44.75 | |||||||||||||
1978 | 36.77 | 32.57 | 35.74 | 41.73 | 44.71 | 51.37 | 54.03 | 59.10 | 53.37 | 44.90 | 42.70 | 39.65 | 44.72 | |||||||||||||
1979 | 39.00 | 33.04 | 38.81 | 45.33 | 48.35 | 55.20 | 56.55 | 55.81 | 54.20 | 46.26 | 39.80 | 31.29 | 45.30 | |||||||||||||
1980 | 28.87 | 29.86 | 37.84 | 39.43 | 46.23 | 49.87 | 58.19 | 56.35 | 52.30 | 46.29 | 40.43 | 35.16 | 43.40 | |||||||||||||
1981 | 35.26 | 33.61 | 40.48 | 44.60 | 51.03 | 53.80 | 57.29 | 56.13 | 52.53 | 45.10 | 38.37 | 34.19 | 45.20 | |||||||||||||
1982 | 33.77 | 32.07 | 38.10 | 36.57 | 42.61 | 49.50 | 51.23 | 54.94 | 49.17 | 42.39 | 39.33 | 33.84 | 41.96 | |||||||||||||
1983 | 28.87 | 35.79 | 37.26 | 41.43 | 46.16 | 54.10 | 56.06 | 56.35 | 51.90 | 44.16 | 38.90 | 40.19 | 44.27 | |||||||||||||
1984 | 34.77 | 23.55 | 38.10 | 35.90 | 42.77 | 51.97 | 53.68 | 59.94 | 54.43 | 45.77 | 40.73 | 40.94 | 43.55 | |||||||||||||
1985 | 39.81 | 33.14 | 34.61 | 32.27 | 43.19 | 47.63 | 54.97 | 55.35 | 54.17 | a | 44.00 | 42.30 | 39.16 | 43.38 | ||||||||||||
1986 | 28.97 | 32.68 | 32.19 | 36.77 | 43.13 | 48.90 | 56.23 | 55.06 | 53.57 | 47.65 | 41.60 | 38.61 | 42.95 | |||||||||||||
1987 | 35.42 | 36.21 | 39.00 | 38.43 | 43.71 | 48.90 | 55.45 | 57.74 | 51.03 | 46.48 | 34.63 | 33.55 | 43.38 | |||||||||||||
1988 | 35.77 | 34.48 | 31.71 | 35.80 | 45.32 | 50.90 | 55.29 | 55.94 | 51.77 | 45.52 | 37.40 | 35.23 | 42.93 | |||||||||||||
1989 | 28.65 | 38.64 | 35.90 | 38.37 | 45.23 | 50.60 | 55.52 | 57.94 | 53.87 | 46.94 | 36.77 | 35.97 | 43.70 | |||||||||||||
1990 | 35.19 | 31.54 | 37.10 | 41.40 | 45.77 | 51.03 | 53.81 | 56.26 | 52.83 | 44.81 | 39.43 | 40.74 | 44.16 | |||||||||||||
1991 | 34.77 | 27.36 | 39.97 | 40.47 | 45.16 | 49.40 | 56.35 | 55.10 | 52.90 | 46.87 | 40.20 | 34.94 | 43.62 | |||||||||||||
1992 | 33.61 | 29.86 | 35.00 | 38.00 | 46.94 | 53.17 | 53.52 | 54.65 | 51.77 | 43.03 | 37.87 | 36.74 | 42.85 | |||||||||||||
1993 | 31.94 | 35.39 | 37.52 | 42.90 | 46.52 | 51.90 | 56.29 | 56.55 | 53.83 | 47.90 | 43.50 | 35.94 | 45.01 | |||||||||||||
1994 | 35.61 | 36.39 | 32.26 | 37.90 | 43.16 | 50.67 | 54.87 | 57.52 | 52.43 | 43.55 | 40.27 | 35.52 | 43.35 | |||||||||||||
1995 | 31.16 | 33.96 | 32.19 | 36.37 | 45.68 | 51.47 | 54.97 | 54.26 | 54.03 | 46.13 | 37.57 | 37.77 | 42.96 | |||||||||||||
1996 | 34.68 | 34.24 | 42.23 | 39.93 | 49.97 | 49.90 | 55.26 | 55.94 | 51.23 | 44.81 | 41.00 | 34.71 | 44.49 | |||||||||||||
1997 | 32.26 | 36.61 | 34.45 | 40.30 | 50.45 | 52.63 | 57.68 | 59.68 | 52.63 | 45.71 | 40.73 | 31.10 | 44.52 | |||||||||||||
1998 | 29.52 | 33.11 | 40.00 | 42.30 | 45.61 | 52.43 | 55.13 | 56.06 | 51.57 | 44.35 | 39.50 | 32.74 | 43.53 | |||||||||||||
1999 | 33.26 | 25.68 | 30.42 | 36.57 | 42.23 | 50.27 | 55.13 | 54.61 | 51.90 | 42.32 | 36.40 | 27.06 | 40.49 | |||||||||||||
2000 | 24.61 | 35.93 | 36.06 | 38.00 | 43.65 | 51.77 | 53.26 | 56.71 | 53.00 | 45.87 | 41.27 | 39.84 | 43.33 | |||||||||||||
2001 | 34.45 | 37.04 | 34.52 | 40.60 | 42.19 | 53.23 | 56.45 | 57.90 | 52.33 | 44.58 | 38.47 | 31.61 | 43.61 | |||||||||||||
2002 | 35.61 | 30.89 | 37.90 | 42.27 | 48.39 | 53.73 | 56.71 | 58.52 | 53.77 | 49.42 | 42.90 | 36.45 | 45.55 | |||||||||||||
2003 | 37.87 | 40.71 | 34.35 | 43.80 | 48.32 | 52.60 | 55.48 | 57.52 | 53.97 | 46.35 | 42.10 | 34.48 | 45.63 | |||||||||||||
2004 | 32.23 | 37.38 | 33.71 | 40.50 | 47.94 | 52.77 | 57.06 | 58.16 | 53.93 | 48.26 | 40.93 | 36.32 | 44.93 | |||||||||||||
2005 | 38.74 | 37.14 | 39.10 | 40.07 | 46.94 | 52.77 | 57.06 | 57.68 | 55.00 | 46.45 | 34.07 | a | 37.81 | 45.23 | ||||||||||||
2006 | 26.65 | 34.39 | 37.03 | 37.80 | 46.81 | 50.77 | 56.29 | 54.16 | 52.50 | 46.42 | 37.13 | 31.81 | 42.65 | |||||||||||||
2007 | 31.94 | 37.32 | 25.20 | a | 39.63 | 42.55 | 48.13 | 55.35 | 58.13 | 54.10 | 45.10 | 39.00 | 35.23 | 42.64 | ||||||||||||
2008 | 30.55 | 28.69 | 29.74 | 37.43 | 44.68 | 49.40 | 53.16 | 55.16 | 52.53 | 43.58 | 35.20 | 36.29 | 41.37 | |||||||||||||
2009 | 29.13 | 35.75 | 30.94 | 37.33 | 46.77 | 53.43 | 55.52 | 54.19 | 51.93 | 45.90 | 36.43 | 38.61 | 43.00 | |||||||||||||
2010 | 32.84 | 30.82 | 27.32 | 35.57 | 44.65 | 49.13 | 53.87 | 55.32 | 54.17 | 44.74 | 38.27 | 32.03 | 41.56 | |||||||||||||
2011 | 35.58 | 36.18 | 37.26 | 38.40 | 46.94 | 49.87 | 52.77 | 56.84 | 50.33 | 46.35 | 38.90 | 34.29 | 43.64 | |||||||||||||
2012 | 23.97 | 33.89 | b | 25.32 | 35.20 | 41.61 | 49.83 | 52.94 | 56.45 | 51.00 | 45.80 | a | 34.71 | b | 34.00 | 40.39 | ||||||||||
2013 | 36.90 | 34.31 | b | 36.39 | 39.73 | 44.58 | 53.03 | 58.35 | 58.00 | 53.87 | 50.71 | 42.80 | 41.87 | 45.88 | ||||||||||||
2014 | 41.55 | 35.14 | 38.94 | 44.83 | 51.52 | 55.57 | 61.26 | 62.00 | 55.90 | 45.29 | 42.57 | 38.61 | 47.76 | |||||||||||||
2015 | 35.48 | 39.89 | 39.32 | 40.10 | 48.52 | 55.53 | 56.35 | 57.35 | 53.53 | 47.71 | 39.93 | 36.84 | 45.88 | |||||||||||||
2016 | 36.52 | 39.31 | 39.06 | 45.03 | 50.42 | 54.87 | 60.45 | 61.55 | 57.07 | 50.58 | 41.03 | 37.61 | 47.79 | |||||||||||||
2017 | 32.94 | 32.68 | 34.52 | 40.47 | 48.48 | 54.07 | 56.74 | 56.23 | 52.63 | 48.19 | 43.63 | 38.65 | 44.94 | |||||||||||||
2018 | 34.61 | 40.57 | 40.87 | 43.97 | 46.29 | 53.20 | 56.77 | 58.35 | 56.23 | 49.65 | 44.63 | 34.90 | 46.67 | |||||||||||||
2019 | 37.52 | 42.11 | 41.32 | 44.70 | 49.10 | 54.00 | 60.94 | 63.77 | 56.80 | 50.52 | 45.80 | 36.74 | 48.61 | |||||||||||||
2020 | 28.77 | 37.59 | 38.00 | 44.83 | 50.39 | 54.73 | 58.94 | 58.10 | 53.70 | 47.97 | 41.27 | 35.97 | 45.85 | |||||||||||||
2021 | 33.81 | 40.39 | 38.68 | 44.17 | 48.29 | 53.53 | 56.74 | 58.45 | 52.53 | 45.00 | 32.37 | 40.10 | 45.34 | |||||||||||||
2022 | 33.42 | 39.36 | 34.77 | 40.17 | 46.74 | 53.63 | 55.81 | 55.52 | 54.53 | 47.97 | 43.20 | 39.84 | 45.41 | |||||||||||||
2023 | 33.70 | a | 38.61 | 38.32 | 39.48 | a | 44.81 | 52.43 | 56.71 | 58.16 | 54.07 | 48.45 | 43.50 | 33.32 | 45.13 | |||||||||||
2024 | 34.52 | b | 36.03 | 33.26 | 39.19 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.60 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.12 | 33.77 | 34.86 | 38.86 | 45.36 | 51.11 | 55.45 | 56.37 | 52.62 | 45.37 | 39.31 | 35.15 | 43.49 | |||||||||||||
S.D. | 3.80 | 4.02 | 4.24 | 3.30 | 2.71 | 2.37 | 2.20 | 2.11 | 1.78 | 2.35 | 2.90 | 3.03 | 1.88 | |||||||||||||
SKEW | -0.41 | -0.35 | -0.71 | 0.07 | 0.08 | -0.18 | 0.42 | 0.83 | 0.22 | 0.00 | -0.27 | 0.01 | 0.27 | |||||||||||||
MAX | 41.55 | 42.11 | 42.23 | 45.33 | 51.52 | 55.57 | 61.26 | 63.77 | 57.07 | 50.71 | 45.80 | 41.87 | 48.61 | |||||||||||||
MIN | 23.45 | 23.50 | 24.13 | 30.97 | 38.23 | 44.77 | 51.23 | 52.61 | 49.07 | 38.48 | 32.37 | 27.06 | 39.57 | |||||||||||||
YRS | 73 | 74 | 75 | 74 | 74 | 73 | 74 | 74 | 74 | 74 | 73 | 73 | 71 |