YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | 28.29 | 30.17 | 33.87 | 54.53 | 65.03 | 72.40 | 80.90 | 80.74 | 74.93 | 58.87 | 35.97 | 32.71 | 54.04 | |||||||||||||
1949 | 20.87 | 31.07 | 40.68 | 54.33 | 61.45 | 69.70 | 80.19 | 80.19 | 71.90 | 54.55 | 54.80 | 34.90 | 54.55 | |||||||||||||
1950 | 32.45 | 42.43 | 40.61 | 51.80 | 57.42 | 72.73 | 75.35 | 77.06 | 66.53 | 66.97 | 44.57 | 41.45 | 55.78 | |||||||||||||
1951 | 30.48 | 39.07 | 40.10 | 48.07 | 63.30 | a | 66.27 | 81.65 | 77.52 | 69.83 | 53.65 | 39.80 | 31.65 | 53.45 | ||||||||||||
1952 | 32.26 | 35.66 | 34.97 | 53.00 | 62.84 | 78.77 | 80.29 | 78.84 | 74.43 | 64.19 | 37.43 | 33.32 | 55.50 | |||||||||||||
1953 | 40.55 | 33.25 | 46.94 | 47.00 | 56.35 | 75.13 | 81.81 | 77.90 | 73.97 | 60.68 | 47.33 | 33.00 | 56.16 | |||||||||||||
1954 | 39.71 | 46.79 | 36.32 | 56.53 | 63.00 | 74.23 | 83.87 | 79.00 | 72.47 | 58.16 | 48.83 | 36.68 | 57.97 | |||||||||||||
1955 | 31.65 | 29.07 | 36.13 | 52.27 | 62.19 | 67.83 | 82.61 | 78.48 | 71.60 | 59.52 | 38.20 | 37.10 | 53.89 | |||||||||||||
1956 | 36.13 | 25.72 | 39.16 | 50.40 | 64.00 | 78.47 | 77.81 | 74.90 | 74.17 | 61.77 | 36.69 | a | 34.23 | 54.45 | ||||||||||||
1957 | 26.94 | 40.11 | 38.68 | 45.40 | 56.13 | 69.47 | 78.65 | 78.45 | 67.97 | 57.10 | 36.27 | 39.90 | 52.92 | |||||||||||||
1958 | 36.26 | 42.75 | 33.39 | 46.43 | 67.03 | 74.97 | 77.35 | 80.94 | 71.80 | 61.97 | 47.17 | 37.52 | 56.46 | |||||||||||||
1959 | 33.16 | 34.93 | 38.58 | 50.80 | 59.19 | 77.00 | 80.42 | 78.94 | 65.90 | 53.19 | 44.63 | 42.39 | 54.93 | |||||||||||||
1960 | 32.58 | 26.62 | 42.81 | 54.60 | 63.00 | 74.83 | 80.65 | 79.48 | 72.90 | 58.16 | 42.37 | 29.32 | 54.78 | |||||||||||||
1961 | 32.84 | 37.25 | 39.65 | 47.43 | 62.52 | 74.60 | 78.87 | 77.55 | 60.27 | 54.90 | 37.43 | 29.77 | 52.76 | |||||||||||||
1962 | 25.55 | 34.29 | 36.06 | 55.73 | 63.71 | 71.03 | 78.61 | 80.39 | 70.97 | 61.10 | 48.40 | 39.26 | 55.42 | |||||||||||||
1963 | 25.35 | 39.14 | 41.90 | 51.17 | 67.13 | 74.90 | 83.65 | 77.06 | 74.77 | 65.39 | 50.23 | 35.55 | 57.19 | |||||||||||||
1964 | 31.03 | 27.83 | 33.74 | 47.03 | 63.10 | 70.30 | 85.23 | 76.90 | 70.93 | a | 61.65 | 42.00 | 33.32 | 53.59 | ||||||||||||
1965 | 37.00 | 31.89 | 31.58 | 52.93 | 58.84 | 69.00 | 78.97 | 75.68 | 58.67 | 63.42 | 48.43 | 37.87 | 53.69 | |||||||||||||
1966 | 32.61 | 33.14 | 47.06 | 51.23 | 67.48 | 72.77 | 84.71 | 77.45 | 70.43 | 56.06 | 46.70 | 35.55 | 56.27 | |||||||||||||
1967 | 33.87 | 35.18 | 45.90 | 53.00 | 57.58 | 66.87 | 78.77 | 77.97 | 68.13 | 58.58 | 42.43 | 26.65 | 53.74 | |||||||||||||
1968 | 32.71 | 35.21 | 44.90 | 43.40 | 58.39 | 73.73 | 78.77 | 74.52 | 67.93 | 58.90 | 39.53 | 33.16 | 53.43 | |||||||||||||
1969 | 38.39 | 35.43 | 32.84 | 55.87 | 66.97 | 65.37 | 82.13 | 82.65 | 72.70 | 41.94 | 40.47 | 36.58 | 54.28 | |||||||||||||
1970 | 33.06 | 42.50 | 35.90 | 43.93 | 64.42 | 71.70 | 80.32 | 81.87 | 65.00 | 48.77 | 39.97 | 34.87 | 53.53 | |||||||||||||
1971 | 33.32 | 32.43 | 38.94 | 51.03 | 58.48 | 75.30 | 79.39 | 80.48 | 65.03 | 55.61 | 43.80 | 34.29 | 54.01 | |||||||||||||
1972 | 33.06 | 39.79 | 48.52 | 52.63 | 62.03 | 73.37 | 77.58 | 76.90 | 67.90 | 54.23 | 34.37 | 28.61 | 54.08 | |||||||||||||
1973 | 25.48 | 30.75 | 35.39 | 41.57 | 60.19 | 72.33 | 75.81 | 78.84 | 64.87 | 59.84 | 40.70 | 32.87 | 51.55 | |||||||||||||
1974 | 27.13 | 33.50 | 43.03 | 48.60 | 65.16 | 74.83 | 79.81 | 76.81 | 66.10 | 58.32 | 44.00 | 32.61 | 54.16 | |||||||||||||
1975 | 32.42 | 33.71 | 39.52 | 46.43 | 57.16 | 69.33 | 79.84 | 78.39 | 68.30 | 59.19 | 42.03 | 36.74 | 53.59 | |||||||||||||
1976 | 31.71 | 38.72 | 40.03 | 52.13 | 62.65 | 72.77 | 82.61 | 78.06 | 70.10 | 55.68 | 43.90 | 38.00 | 55.53 | |||||||||||||
1977 | 32.68 | 40.29 | 39.65 | 53.93 | a | 63.94 | 78.93 | 81.45 | 75.90 | 72.40 | 60.23 | 44.13 | 37.94 | 56.79 | ||||||||||||
1978 | 32.94 | 35.86 | 47.61 | 53.07 | 58.45 | 74.57 | 83.13 | 78.23 | 72.07 | 59.58 | 43.77 | 25.55 | 55.40 | |||||||||||||
1979 | 22.90 | 34.39 | 41.58 | 53.47 | 59.94 | 73.97 | 82.16 | 75.90 | 74.27 | 58.97 | 31.47 | 37.03 | 53.84 | |||||||||||||
1980 | 30.23 | 35.21 | 38.29 | 50.23 | 59.74 | 78.30 | 83.03 | 78.58 | 71.93 | 54.84 | 43.33 | 46.42 | 55.84 | |||||||||||||
1981 | 40.81 | 39.89 | 41.45 | 57.87 | 55.32 | 74.63 | 78.90 | 75.48 | 71.77 | 53.06 | 48.33 | 36.58 | 56.18 | |||||||||||||
1982 | 32.26 | 37.18 | 44.52 | 51.77 | 58.87 | 69.63 | 79.94 | 80.10 | 64.83 | 51.13 | 36.43 | 28.65 | 52.94 | |||||||||||||
1983 | 36.68 | 37.93 | 35.68 | 38.37 | 53.81 | 66.93 | 78.39 | 79.65 | 71.83 | 57.61 | 39.17 | 23.16 | 51.60 | |||||||||||||
1984 | 26.74 | 28.59 | 34.06 | 41.90 | 65.52 | 72.20 | 81.10 | 77.52 | 65.50 | 47.65 | 43.00 | 33.00 | 51.40 | |||||||||||||
1985 | 23.13 | 29.93 | 42.74 | 54.27 | 64.52 | 74.27 | 80.16 | 80.03 | 63.70 | 54.87 | 35.43 | 30.45 | 52.79 | |||||||||||||
1986 | 41.13 | 37.25 | 51.03 | 51.60 | 60.00 | 75.37 | 77.26 | 77.52 | 64.13 | 54.57 | a | 40.23 | 33.74 | 55.32 | ||||||||||||
1987 | 33.97 | 37.86 | 40.35 | 56.00 | 62.26 | 73.53 | 78.32 | 74.52 | 69.47 | 59.81 | 40.07 | 29.52 | 54.64 | |||||||||||||
1988 | 26.61 | 33.45 | 36.03 | 55.33 | 63.00 | 79.30 | 81.65 | 78.94 | 68.37 | 62.16 | 41.37 | 33.19 | 54.95 | |||||||||||||
1989 | 35.97 | 22.43 | 46.97 | 54.17 | 62.65 | 70.50 | 81.97 | 76.84 | 68.23 | 54.74 | 44.50 | 32.55 | 54.29 | |||||||||||||
1990 | 36.35 | 32.96 | 40.55 | 52.53 | 60.06 | 76.53 | 75.03 | 76.58 | 70.50 | 54.90 | 44.70 | 28.19 | 54.08 | |||||||||||||
1991 | 31.32 | 42.79 | 43.16 | 48.40 | 61.74 | 71.60 | 76.23 | 76.19 | 67.97 | 57.29 | 36.17 | 36.68 | 54.13 | |||||||||||||
1992 | 32.45 | 38.83 | 45.26 | 58.03 | 63.77 | 69.20 | 73.84 | 74.19 | 70.63 | 59.94 | 33.07 | 28.71 | 53.99 | |||||||||||||
1993 | 30.48 | 27.36 | 39.77 | 48.70 | 62.26 | 68.20 | 76.29 | 74.68 | 65.27 | 52.32 | 35.07 | 34.13 | 51.21 | |||||||||||||
1994 | 35.68 | 35.39 | 46.94 | 51.62 | a | 65.94 | 78.40 | 79.74 | 79.81 | 71.30 | 54.97 | 40.77 | 39.42 | 56.66 | ||||||||||||
1995 | 34.32 | 42.18 | 44.94 | 48.33 | 52.97 | 67.13 | 76.45 | 81.52 | 66.07 | 54.58 | 46.13 | 37.90 | 54.38 | |||||||||||||
1996 | 32.71 | 39.10 | 43.10 | 50.63 | 62.06 | 74.80 | 80.58 | 78.81 | 66.00 | 54.13 | 43.13 | 34.97 | 55.00 | |||||||||||||
1997 | 32.03 | 32.46 | 48.84 | 43.37 | 61.94 | 72.60 | 79.23 | 76.73 | a | 69.30 | 56.10 | 38.37 | 28.65 | 53.30 | ||||||||||||
1998 | 36.19 | 37.64 | 40.00 | 50.50 | 64.55 | 66.37 | 80.16 | 77.97 | 74.97 | 55.84 | 46.60 | 31.26 | 55.17 | |||||||||||||
1999 | 33.77 | 39.86 | 48.35 | 45.03 | 59.23 | 70.20 | 80.58 | 77.58 | 65.27 | 61.13 | 54.67 | 34.48 | 55.85 | |||||||||||||
2000 | 36.35 | 43.10 | 45.39 | 56.40 | 65.16 | 73.80 | 83.26 | 81.55 | 69.23 | 56.26 | 26.27 | 28.77 | 55.46 | |||||||||||||
2001 | 28.52 | 31.75 | 40.87 | 52.47 | 62.90 | 77.07 | 84.19 | 79.65 | 73.13 | 57.84 | 44.90 | 34.13 | 55.62 | |||||||||||||
2002 | 32.10 | 36.43 | 36.65 | 55.17 | 62.81 | 80.50 | 85.74 | 78.19 | 69.50 | 50.00 | 38.73 | 37.58 | 55.28 | |||||||||||||
2003 | 41.77 | 30.11 | 39.81 | 52.07 | 62.97 | 68.77 | 85.71 | 81.00 | 67.43 | 62.39 | 36.63 | 34.16 | 55.23 | |||||||||||||
2004 | 34.71 | 33.07 | 52.03 | 51.90 | 64.77 | 69.73 | 77.81 | 73.58 | 66.10 | 55.97 | 41.00 | 36.74 | 54.78 | |||||||||||||
2005 | 38.94 | 37.61 | 42.00 | 52.43 | 61.32 | 69.80 | 84.39 | 77.32 | 73.10 | 57.97 | 43.43 | 32.16 | 55.87 | |||||||||||||
2006 | 38.58 | 34.54 | 41.16 | 57.47 | 65.90 | 79.47 | 82.52 | 78.81 | 63.40 | 51.29 | 45.27 | 32.74 | 55.93 | |||||||||||||
2007 | 21.90 | 35.96 | 48.68 | 51.93 | 62.71 | 76.03 | 83.32 | 80.52 | 69.67 | 58.16 | 46.37 | 27.71 | 55.25 | |||||||||||||
2008 | 27.52 | 32.28 | 41.58 | 48.77 | 58.29 | 70.57 | 82.61 | 78.00 | 67.90 | 58.52 | 46.33 | 31.35 | 53.64 | |||||||||||||
2009 | 36.71 | 38.96 | 46.00 | 48.30 | 62.90 | 68.90 | 77.97 | 77.68 | 70.73 | 47.10 | 42.03 | 22.29 | 53.30 | |||||||||||||
2010 | 28.68 | 27.18 | 39.42 | 49.77 | 56.19 | 72.90 | 80.81 | 79.39 | 75.43 | 59.42 | 40.10 | 34.57 | a | 53.65 | ||||||||||||
2011 | 29.90 | 29.18 | 44.68 | 48.97 | 55.06 | 74.50 | 82.42 | 83.68 | 70.37 | 56.39 | 41.73 | 27.52 | 53.70 | |||||||||||||
2012 | 39.45 | 31.14 | 53.68 | 59.30 | 65.94 | 82.60 | 83.39 | 82.10 | 72.73 | 54.94 | 50.93 | 32.42 | 59.05 | |||||||||||||
2013 | 29.55 | 32.57 | 43.65 | 44.93 | 61.97 | 80.53 | 81.39 | 80.90 | 69.60 | 50.81 | 44.57 | 30.16 | 54.22 | |||||||||||||
2014 | 33.52 | 33.21 | 44.71 | 51.20 | 60.23 | 72.63 | 80.06 | 75.45 | 71.20 | 61.10 | 40.80 | 34.87 | 54.92 | |||||||||||||
2015 | 37.52 | 38.75 | 50.97 | 51.27 | 55.87 | 77.33 | 78.06 | 80.55 | 75.63 | 61.58 | 41.13 | 30.32 | 56.58 | |||||||||||||
2016 | 29.94 | 41.03 | 42.32 | 49.30 | 58.87 | 78.90 | 82.74 | 78.13 | 72.13 | 63.03 | 50.17 | 33.42 | 56.67 | |||||||||||||
2017 | 26.90 | 40.96 | 52.32 | 52.90 | 61.13 | 77.80 | 84.26 | 77.90 | 69.60 | 54.16 | 50.67 | 38.19 | 57.23 | |||||||||||||
2018 | 40.55 | 35.57 | 44.97 | 54.80 | 66.48 | 79.23 | 83.32 | 79.87 | 76.40 | 53.52 | 38.10 | 32.45 | 57.11 | |||||||||||||
2019 | 33.80 | a | 35.21 | 36.81 | 52.38 | a | 55.23 | 70.93 | 82.97 | 82.35 | 75.17 | 49.26 | 43.03 | 32.65 | 54.15 | |||||||||||
2020 | 35.52 | 32.76 | 46.48 | 50.87 | 64.84 | 77.42 | d | 84.10 | 86.19 | e | 71.50 | 55.29 | 47.57 | 34.45 | 57.25 | |||||||||||
2021 | 34.61 | 30.71 | 43.32 | 49.53 | 61.23 | 80.33 | 83.16 | 80.42 | 74.63 | 56.71 | 50.80 | 39.16 | 57.05 | |||||||||||||
2022 | 32.13 | 30.25 | 42.00 | 51.63 | 61.03 | a | 77.13 | 83.52 | 81.87 | 75.27 | 58.84 | 39.20 | 33.61 | 55.54 | ||||||||||||
2023 | 29.10 | 35.68 | 38.45 | 50.83 | 66.13 | 70.10 | 81.81 | 79.81 | 73.93 | 60.81 | 49.10 | 42.00 | 56.48 | |||||||||||||
2024 | 35.68 | 41.55 | 45.93 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.05 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.63 | 35.15 | 41.84 | 50.96 | 61.57 | 73.48 | 80.68 | 78.58 | 69.87 | 56.90 | 42.46 | 33.76 | 54.81 | |||||||||||||
S.D. | 4.66 | 4.76 | 5.00 | 4.07 | 3.44 | 4.04 | 2.70 | 2.34 | 3.77 | 4.42 | 5.27 | 4.34 | 1.54 | |||||||||||||
SKEW | -0.29 | -0.11 | 0.18 | -0.62 | -0.46 | 0.06 | -0.29 | 0.34 | -0.51 | -0.55 | -0.14 | -0.02 | 0.04 | |||||||||||||
MAX | 41.77 | 46.79 | 53.68 | 59.30 | 67.48 | 82.60 | 85.74 | 86.19 | 76.40 | 66.97 | 54.80 | 46.42 | 59.05 | |||||||||||||
MIN | 20.87 | 22.43 | 31.58 | 38.37 | 52.97 | 65.37 | 73.84 | 73.58 | 58.67 | 41.94 | 26.27 | 22.29 | 51.21 | |||||||||||||
YRS | 77 | 77 | 77 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 |