YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | ----- | z | ----- | z | ----- | z | ----- | z | 72.46 | c | 79.67 | 81.97 | 83.35 | 75.97 | 60.65 | 40.27 | 37.03 | 66.42 | d | |||||||
1941 | 34.06 | 43.54 | 59.39 | 64.20 | 66.03 | 73.33 | 87.26 | 79.97 | 67.00 | 60.48 | 49.53 | 36.97 | 60.15 | |||||||||||||
1942 | 29.97 | 41.50 | 51.77 | 62.30 | 66.23 | 71.93 | 85.87 | 86.55 | 78.33 | 64.71 | 39.87 | 35.58 | 59.55 | |||||||||||||
1943 | 26.35 | 40.64 | 49.35 | 63.10 | 64.00 | 72.87 | 86.26 | 81.29 | 81.00 | 61.23 | 44.17 | 37.00 | 58.94 | |||||||||||||
1944 | 33.87 | 41.45 | 50.65 | 60.63 | 69.42 | 75.07 | 84.58 | 81.29 | 77.83 | 68.52 | 42.83 | 32.52 | 59.89 | |||||||||||||
1945 | 37.58 | 43.32 | 48.74 | 57.23 | 70.48 | 74.90 | 87.26 | 86.00 | 72.47 | 65.58 | 42.00 | 34.23 | 59.98 | |||||||||||||
1946 | 37.45 | 40.79 | 51.00 | 61.10 | 72.84 | 72.67 | 83.16 | 84.58 | 71.90 | 56.10 | 41.53 | 37.81 | 59.24 | |||||||||||||
1947 | 34.48 | 45.21 | 57.16 | 63.77 | 76.26 | 73.07 | 82.00 | 80.55 | 75.07 | 57.45 | 46.30 | 36.68 | 60.67 | |||||||||||||
1948 | 33.48 | 37.66 | 47.71 | 54.13 | 63.52 | 78.63 | 79.94 | 78.68 | 73.03 | 60.19 | 44.90 | 27.77 | 56.64 | |||||||||||||
1949 | 19.16 | 34.50 | 48.32 | 63.83 | 74.16 | 76.13 | 82.00 | 82.06 | 75.40 | 59.00 | 50.33 | 38.55 | 58.62 | |||||||||||||
1950 | 17.32 | 35.14 | 45.94 | 55.37 | 66.21 | g | 73.70 | 83.74 | 85.90 | 77.77 | 55.81 | 43.27 | 37.03 | 55.54 | a | |||||||||||
1951 | 33.52 | 38.57 | 45.77 | 64.07 | 68.06 | 77.63 | 85.39 | 82.48 | 76.10 | 57.55 | 43.93 | 31.87 | 58.75 | |||||||||||||
1952 | 26.39 | 38.07 | 49.45 | 63.73 | 70.10 | 72.43 | 85.68 | 82.29 | 79.20 | 69.35 | 40.57 | 35.26 | 59.38 | |||||||||||||
1953 | 41.61 | 46.32 | 52.03 | 55.93 | 64.10 | 68.43 | 83.23 | 80.26 | 75.10 | 64.90 | 48.07 | 42.42 | 60.20 | |||||||||||||
1954 | 32.68 | 39.11 | 49.03 | 57.43 | 69.29 | 69.87 | 80.84 | 76.52 | 71.63 | 58.90 | 50.07 | 36.77 | 57.68 | |||||||||||||
1955 | 35.19 | 41.68 | 42.97 | 53.17 | 62.48 | 75.53 | 79.42 | 82.90 | 72.50 | 58.48 | 36.00 | 28.00 | 55.69 | |||||||||||||
1956 | 31.74 | 31.72 | 44.29 | 64.17 | 72.06 | 70.50 | 86.00 | 83.19 | 73.90 | 57.32 | 40.93 | 36.19 | 57.67 | |||||||||||||
1957 | 23.81 | 40.43 | 47.94 | 61.47 | 72.87 | 75.07 | 79.32 | 78.45 | 78.57 | 56.00 | 47.47 | 40.71 | 58.51 | |||||||||||||
1958 | 37.94 | 48.18 | 49.94 | 58.23 | 77.00 | 80.13 | 89.10 | 87.77 | 71.27 | 63.10 | 43.83 | 37.61 | 62.01 | |||||||||||||
1959 | 35.39 | 38.96 | 50.32 | 60.30 | 64.16 | 73.47 | 84.68 | 78.03 | 67.83 | 60.06 | 47.00 | o | ----- | z | 61.32 | b | ||||||||||
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 85.03 | 81.07 | 60.38 | b | 46.57 | 34.23 | 61.45 | g | ||||
1999 | 40.26 | 43.32 | 50.42 | 58.70 | 62.68 | 70.04 | b | 79.90 | 83.16 | 75.13 | 58.93 | b | 47.40 | 42.35 | h | 60.90 | a | |||||||||
2000 | 31.63 | d | 37.07 | 50.29 | 61.87 | 65.06 | 74.39 | b | 81.23 | 80.84 | 71.33 | 58.29 | 37.83 | 28.90 | 56.56 | |||||||||||
2001 | 32.61 | 35.96 | 51.71 | 56.90 | 70.29 | 69.93 | 82.37 | a | 86.30 | a | 78.40 | 58.55 | 46.77 | 34.48 | 58.69 | |||||||||||
2002 | 38.32 | 44.11 | 46.90 | 58.67 | 64.26 | 76.77 | 84.52 | 81.69 | b | 74.37 | 61.29 | 47.40 | 37.42 | 59.64 | ||||||||||||
2003 | 36.87 | 46.82 | 53.84 | 57.50 | 66.68 | 78.90 | 88.03 | 84.81 | 78.00 | 64.45 | 43.37 | 33.00 | 61.02 | |||||||||||||
2004 | 32.81 | 41.72 | 59.39 | 68.60 | 70.29 | 82.50 | 89.71 | 88.03 | 74.03 | 64.94 | 49.37 | 43.03 | 63.70 | |||||||||||||
2005 | 34.19 | 50.36 | 59.13 | 63.20 | 72.59 | b | 76.00 | 87.26 | 89.55 | 75.87 | 63.48 | 43.86 | a | 34.90 | 62.53 | |||||||||||
2006 | 41.42 | 45.50 | 53.74 | 62.48 | a | 72.71 | 79.30 | 89.90 | 87.45 | 79.83 | 64.00 | 44.80 | 31.83 | a | 62.75 | |||||||||||
2007 | 32.16 | 42.79 | 56.35 | 61.37 | 73.29 | 77.30 | 91.35 | 83.84 | 76.20 | 60.48 | 45.37 | 37.84 | 61.53 | |||||||||||||
2008 | 32.97 | 47.45 | 51.39 | 57.40 | 72.35 | 76.57 | 86.55 | 84.45 | 79.13 | 63.16 | 48.97 | 31.84 | 61.02 | |||||||||||||
2009 | 38.87 | 44.00 | 49.06 | 62.07 | 72.58 | 80.97 | 91.55 | 87.35 | 80.03 | 57.97 | 50.00 | 31.97 | 62.20 | |||||||||||||
2010 | 40.61 | 49.64 | 56.74 | 60.03 | 65.79 | b | 74.20 | 87.45 | 84.68 | 74.83 | 64.00 | 43.37 | 35.06 | 61.37 | ||||||||||||
2011 | 37.77 | 44.46 | 50.90 | 55.33 | 65.68 | 73.80 | 81.06 | 86.55 | 82.73 | 61.71 | 47.20 | 38.68 | 60.49 | |||||||||||||
2012 | 37.39 | 44.82 | a | 52.48 | 63.60 | 69.97 | 73.50 | 89.65 | 90.35 | 81.60 | 62.90 | 48.43 | 39.19 | 62.82 | ||||||||||||
2013 | 33.29 | 49.96 | 55.74 | 61.40 | 73.58 | 79.07 | 92.00 | 89.58 | 79.53 | 64.30 | d | 47.40 | 41.68 | 63.96 | ||||||||||||
2014 | 39.81 | 38.75 | 54.35 | 62.93 | 73.29 | 78.13 | 91.94 | 88.71 | 78.63 | 66.45 | 46.50 | 41.39 | 63.41 | |||||||||||||
2015 | 40.74 | 53.68 | 61.81 | 63.97 | 76.77 | 88.70 | 91.55 | 88.71 | 76.43 | 68.39 | c | 46.63 | 35.45 | 66.07 | ||||||||||||
2016 | 35.39 | 47.41 | 56.00 | 70.37 | 73.00 | 79.93 | 83.10 | 88.45 | 76.10 | 59.00 | 53.23 | 32.26 | 62.85 | |||||||||||||
2017 | 27.16 | 36.07 | 50.00 | 58.57 | 72.81 | 79.03 | 90.03 | 92.84 | 78.60 | 61.87 | 44.96 | f | 35.59 | b | 62.05 | a | ||||||||||
2018 | 41.52 | 45.93 | 53.42 | 60.80 | 77.42 | 77.30 | 91.58 | 86.97 | 75.73 | 63.06 | 48.63 | 39.13 | 63.46 | |||||||||||||
2019 | 39.77 | a | 36.74 | a | 47.19 | 61.90 | 75.03 | 78.07 | 84.26 | 87.94 | 72.43 | 57.03 | 49.68 | b | 36.03 | 60.51 | ||||||||||
2020 | 40.52 | 49.14 | 53.97 | 63.87 | 71.29 | 75.53 | 85.90 | 86.42 | 79.83 | 64.29 | 47.24 | a | 39.29 | 63.11 | ||||||||||||
2021 | 41.81 | 40.46 | 55.74 | 65.40 | 71.35 | 85.17 | 91.58 | 85.16 | 75.60 | 60.90 | 50.17 | 36.10 | 63.29 | |||||||||||||
2022 | 30.74 | 46.18 | 56.29 | 54.10 | 63.48 | 75.60 | 91.00 | 92.58 | 81.20 | 71.55 | 41.71 | b | 27.55 | 61.00 | ||||||||||||
2023 | 39.16 | 44.04 | 50.10 | 59.10 | 77.39 | 81.63 | 90.16 | 87.97 | 76.10 | 63.87 | 46.67 | 40.03 | 63.02 | |||||||||||||
2024 | 32.74 | 46.62 | 56.39 | 61.06 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.25 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.50 | 42.66 | 51.89 | 60.78 | 70.12 | 76.16 | 86.03 | 84.82 | 76.19 | 61.75 | 45.56 | 35.84 | 60.71 | |||||||||||||
S.D. | 5.68 | 4.82 | 4.27 | 3.75 | 4.40 | 4.11 | 3.94 | 3.81 | 3.54 | 3.72 | 3.69 | 3.79 | 2.31 | |||||||||||||
SKEW | -1.08 | -0.05 | 0.24 | 0.03 | -0.19 | 0.60 | -0.02 | -0.08 | -0.44 | 0.49 | -0.44 | -0.37 | -0.07 | |||||||||||||
MAX | 41.81 | 53.68 | 61.81 | 70.37 | 77.42 | 88.70 | 92.00 | 92.84 | 82.73 | 71.55 | 53.23 | 43.03 | 66.07 | |||||||||||||
MIN | 17.32 | 31.72 | 42.97 | 53.17 | 62.48 | 68.43 | 79.32 | 76.52 | 67.00 | 55.81 | 36.00 | 27.55 | 55.69 | |||||||||||||
YRS | 45 | 45 | 45 | 44 | 44 | 45 | 45 | 46 | 46 | 46 | 44 | 44 | 40 |