YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | 42.50 | 49.60 | 60.61 | 70.08 | 73.89 | 74.42 | 66.97 | 56.97 | 44.05 | 34.23 | 57.33 | b | ||||||||||
1945 | 36.19 | 42.73 | 46.11 | 49.17 | 63.58 | 69.67 | 74.21 | 74.23 | 67.13 | 56.69 | 46.65 | 35.87 | 55.19 | |||||||||||||
1946 | 34.73 | 40.25 | 47.32 | 59.52 | 60.52 | 74.18 | 75.11 | 73.16 | 67.48 | 55.60 | 41.60 | 45.32 | n | 57.22 | a | |||||||||||
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.35 | r | 67.62 | a | 62.98 | 55.65 | 39.17 | 36.47 | a | 52.38 | g | |||
1948 | 34.03 | a | 37.45 | 38.10 | 57.54 | f | 61.77 | 69.72 | 73.92 | 72.85 | 68.36 | a | 56.00 | m | 47.06 | l | 40.88 | c | 55.23 | c | ||||||
1949 | 28.22 | b | 37.41 | 45.52 | 51.83 | 61.66 | 68.33 | a | 72.77 | 70.71 | 65.93 | a | 53.45 | 49.72 | 37.05 | a | 53.55 | |||||||||
1950 | 39.30 | a | 43.14 | 46.02 | 54.48 | 59.39 | 70.38 | 70.58 | 69.42 | 62.60 | 60.73 | 46.26 | a | 41.81 | 55.34 | |||||||||||
1951 | 35.24 | 39.57 | a | 43.32 | 50.77 | 60.29 | 68.37 | 77.45 | 72.32 | 66.73 | 54.15 | 44.55 | 34.81 | 53.96 | ||||||||||||
1952 | 40.34 | b | 39.50 | 42.27 | 52.65 | 61.05 | 72.08 | 73.48 | 73.44 | 65.03 | 54.97 | 35.02 | 32.21 | 53.50 | ||||||||||||
1953 | 40.79 | ----- | z | 46.90 | 45.93 | 56.45 | 74.15 | 73.10 | 70.52 | 65.22 | 54.58 | 45.58 | 30.53 | 54.89 | a | |||||||||||
1954 | 36.57 | a | 43.57 | ----- | z | 55.57 | 59.23 | a | ----- | z | 75.03 | 70.58 | 64.17 | 56.24 | 44.90 | a | 38.90 | k | 56.21 | c | ||||||
1955 | 34.85 | 34.91 | 45.90 | a | 50.25 | 58.06 | 67.17 | 69.45 | 68.31 | 64.97 | 53.03 | ----- | z | 38.71 | 53.24 | a | ||||||||||
1956 | 34.55 | 35.88 | 41.90 | 48.50 | 63.50 | 72.73 | 71.87 | 71.85 | 66.65 | 54.13 | a | 36.67 | 36.56 | 52.90 | ||||||||||||
1957 | 37.92 | 48.80 | 42.34 | 48.47 | 57.48 | 71.68 | 77.13 | 71.29 | 62.80 | 49.19 | 38.28 | 36.00 | a | 53.45 | ||||||||||||
1958 | 31.38 | a | 43.46 | 36.88 | a | 49.68 | 64.73 | 73.18 | b | 74.11 | 69.02 | 64.43 | 51.82 | 46.34 | a | 36.68 | 53.48 | |||||||||
1959 | 30.43 | p | 36.80 | c | ----- | z | 48.30 | 59.42 | a | 70.52 | 72.53 | 71.48 | 64.44 | e | 51.65 | 39.46 | b | 38.02 | e | 55.26 | b | |||||
1960 | 33.48 | g | 31.52 | c | 43.58 | a | 55.32 | 59.65 | 68.32 | e | 70.13 | 73.82 | 62.90 | 52.48 | b | 43.83 | 30.43 | j | 56.16 | b | ||||||
1961 | 32.35 | k | 37.70 | 43.95 | 48.38 | 62.55 | 71.07 | 72.52 | 72.61 | 61.14 | h | ----- | z | ----- | z | ----- | z | 58.40 | e | |||||||
1962 | ----- | z | ----- | z | ----- | z | 55.45 | 61.15 | 68.13 | 71.09 | d | 72.71 | 67.22 | 57.17 | a | 51.02 | 40.23 | 60.46 | c | |||||||
1963 | ----- | z | ----- | z | 46.82 | 55.63 | ----- | z | 79.98 | 80.05 | 71.53 | 72.17 | 62.81 | 53.00 | r | ----- | z | 67.00 | e | |||||||
1964 | 34.68 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.79 | e | 67.27 | 58.09 | b | 46.53 | a | 36.35 | a | 52.95 | f | ||
1965 | 39.81 | b | 37.12 | 39.23 | 54.38 | 60.31 | 68.07 | 75.74 | 71.55 | 64.09 | a | ----- | z | 49.02 | 37.40 | 54.25 | a | |||||||||
1966 | 30.11 | 34.23 | 46.03 | 53.77 | b | 63.84 | 69.65 | 77.58 | 70.53 | 67.48 | 55.39 | 46.38 | a | 34.76 | 54.15 | |||||||||||
1967 | 37.45 | 40.02 | ----- | z | ----- | z | 60.18 | 70.03 | 74.61 | 69.74 | ----- | z | 57.37 | 47.03 | 30.77 | a | 54.13 | c | ||||||||
1968 | 37.92 | 44.16 | 43.37 | 49.86 | a | 58.69 | 71.68 | 72.95 | 71.24 | 65.77 | 56.97 | 44.10 | 35.84 | 54.38 | ||||||||||||
1969 | 41.82 | 37.20 | 38.23 | 56.43 | 63.13 | 69.18 | 77.26 | 75.68 | 67.92 | 52.79 | 42.57 | 40.37 | 55.21 | |||||||||||||
1970 | 35.56 | 43.62 | 41.79 | 50.75 | 64.73 | 70.62 | 76.71 | 74.73 | 66.33 | 51.97 | 46.03 | 38.82 | 55.14 | |||||||||||||
1971 | 35.52 | 39.32 | 46.47 | a | 50.95 | 59.84 | 71.02 | 73.45 | 70.71 | 65.33 | 54.15 | 45.61 | b | 34.82 | a | 53.93 | ||||||||||
1972 | 37.31 | 41.67 | 50.60 | 53.91 | a | 61.60 | 71.43 | 72.73 | 70.87 | 65.35 | 55.67 | a | 37.48 | 36.56 | 54.60 | |||||||||||
1973 | 33.68 | a | 36.78 | a | 41.21 | 45.00 | 58.53 | 68.27 | 73.08 | 73.08 | 66.22 | 57.77 | 47.52 | 37.23 | 53.20 | |||||||||||
1974 | 35.42 | 38.91 | 50.92 | 52.14 | a | 67.24 | 72.45 | 74.45 | 70.65 | 62.70 | 56.68 | 44.05 | 34.97 | a | 55.05 | |||||||||||
1975 | 32.97 | 35.54 | 43.73 | 50.77 | 60.08 | a | 70.17 | 73.34 | 73.48 | 64.43 | 55.39 | 43.67 | 37.00 | 53.38 | ||||||||||||
1976 | 35.28 | a | 45.76 | 46.21 | 54.50 | a | 60.77 | 70.57 | a | 72.84 | 72.26 | 65.23 | 50.63 | a | 41.27 | 38.33 | a | 54.47 | ||||||||
1977 | 33.65 | 39.50 | 41.67 | a | 53.57 | 62.71 | 74.62 | 76.41 | b | 75.16 | 68.85 | 58.74 | 46.46 | c | 44.10 | 56.29 | ||||||||||
1978 | 35.58 | a | 36.07 | 48.35 | 56.02 | 60.27 | 72.72 | 77.81 | 72.43 | a | 61.38 | 57.74 | 44.97 | 33.07 | a | 54.70 | ||||||||||
1979 | 29.06 | 38.43 | 45.16 | 53.47 | 60.23 | 68.97 | 76.80 | a | 72.11 | 68.60 | 60.35 | a | 39.75 | 39.15 | 54.34 | |||||||||||
1980 | 39.19 | b | 40.16 | 45.12 | a | 51.27 | 59.52 | 75.95 | 80.29 | 74.98 | b | 68.52 | 54.89 | 42.52 | a | 44.84 | 56.44 | |||||||||
1981 | 38.42 | 41.00 | 45.47 | a | 59.33 | c | 62.13 | 75.62 | 77.55 | 72.97 | 67.90 | 56.37 | 49.65 | 41.15 | a | 57.30 | ||||||||||
1982 | 37.48 | a | 36.12 | 46.50 | 54.81 | a | 62.76 | 71.07 | 76.84 | 74.92 | 66.67 | 53.52 | a | 43.95 | 33.50 | b | 54.84 | |||||||||
1983 | 36.74 | 39.58 | c | 44.63 | 49.30 | 58.63 | 69.36 | a | 76.74 | 76.77 | 70.65 | 58.13 | 45.52 | a | 33.17 | a | 54.94 | |||||||||
1984 | 35.31 | b | 41.47 | 44.39 | 50.82 | 66.66 | 70.72 | 75.63 | 72.95 | 65.82 | 51.75 | a | 44.15 | 38.19 | 54.82 | |||||||||||
1985 | 31.88 | a | 37.22 | a | 47.18 | a | 56.33 | 62.93 | a | 72.05 | a | 75.02 | 75.19 | 64.97 | 56.53 | a | 46.52 | 38.68 | a | 55.38 | ||||||
1986 | 43.26 | 42.26 | a | 50.76 | 57.07 | a | 62.87 | 71.48 | 75.81 | 75.39 | 66.62 | 53.23 | 42.77 | 36.58 | 56.51 | |||||||||||
1987 | 34.69 | 39.79 | 43.40 | 53.57 | 60.61 | 70.07 | 75.10 | 72.13 | 65.58 | 58.73 | 44.60 | 35.90 | a | 54.51 | ||||||||||||
1988 | 32.19 | 42.26 | 45.26 | 53.48 | 61.42 | 71.22 | 74.24 | 73.16 | 64.66 | a | 59.34 | 47.18 | 36.65 | a | 55.09 | |||||||||||
1989 | 38.40 | 37.71 | 50.97 | 58.42 | 66.50 | a | 70.93 | 74.76 | 73.07 | a | 63.93 | b | 57.08 | 47.92 | 35.35 | 56.25 | ||||||||||
1990 | 36.77 | 39.55 | 47.40 | 54.25 | 61.48 | 78.15 | 72.61 | 71.16 | 67.67 | 57.69 | 48.33 | 34.88 | a | 55.83 | ||||||||||||
1991 | 35.73 | 42.91 | 46.29 | 54.30 | 64.13 | 72.03 | 72.47 | a | 72.10 | a | 65.15 | 58.18 | 43.70 | 37.97 | 55.41 | |||||||||||
1992 | 35.61 | 42.38 | 47.90 | 57.15 | 61.94 | 69.78 | 74.89 | 74.11 | 68.60 | a | 58.55 | 41.31 | a | 35.98 | 55.68 | |||||||||||
1993 | 37.87 | 39.67 | a | 48.69 | b | 56.17 | a | 62.42 | 71.37 | 76.61 | 73.00 | 66.48 | 55.55 | b | 42.88 | 39.47 | a | 55.85 | ||||||||
1994 | 37.87 | 39.54 | a | 47.28 | a | 53.32 | 62.05 | a | 73.45 | 75.52 | a | 74.35 | a | 66.86 | a | 54.70 | a | 44.57 | c | 40.52 | a | 55.84 | ||||
1995 | 36.50 | b | 45.48 | 45.95 | a | 51.69 | c | 60.65 | a | 68.09 | a | 73.32 | 75.32 | 66.65 | c | 55.86 | b | 49.05 | b | 39.85 | a | 55.70 | ||||
1996 | 38.98 | b | 42.79 | a | 44.83 | d | 54.79 | b | 68.84 | 71.91 | a | 75.27 | 72.06 | 64.35 | 55.62 | c | 45.83 | a | 39.50 | a | 56.23 | |||||
1997 | 33.84 | b | 36.79 | b | 48.02 | b | 49.38 | b | 61.68 | a | 68.50 | 73.18 | 74.13 | a | 68.78 | 55.76 | 42.59 | a | 32.97 | 53.80 | ||||||
1998 | 40.39 | 39.59 | 44.22 | a | 50.08 | 62.81 | 70.59 | b | 75.15 | a | 72.50 | 69.05 | 55.31 | b | 47.84 | a | 37.97 | b | 55.46 | |||||||
1999 | 40.82 | a | 45.34 | 46.90 | 51.74 | a | 60.37 | 68.97 | 73.35 | 71.97 | 65.83 | 55.94 | 49.17 | 36.53 | 55.58 | |||||||||||
2000 | 41.77 | a | 45.20 | b | 48.31 | 56.95 | 66.08 | 70.97 | 75.15 | 74.30 | a | 67.92 | 54.94 | 37.82 | b | 35.26 | 56.22 | |||||||||
2001 | 31.32 | a | 40.82 | 46.29 | 56.96 | b | 63.97 | b | 72.27 | 77.29 | 72.61 | 68.29 | a | 57.53 | a | 47.97 | 37.50 | a | 56.07 | |||||||
2002 | 39.03 | a | 38.04 | a | 45.03 | a | 58.12 | 63.03 | 74.86 | a | 74.71 | 73.92 | a | 65.98 | 53.69 | 43.78 | 37.95 | a | 55.68 | |||||||
2003 | 43.15 | 41.02 | 47.88 | b | 55.45 | a | 62.88 | a | 69.97 | 77.02 | 75.00 | 66.98 | 61.47 | 46.76 | a | 40.53 | a | 57.34 | ||||||||
2004 | 39.06 | 36.91 | 51.37 | 53.07 | a | 64.44 | 70.52 | 72.94 | 70.15 | 65.11 | b | 55.63 | a | 43.48 | 39.55 | 55.19 | ||||||||||
2005 | 42.79 | 42.57 | 44.45 | 54.27 | 61.95 | 70.48 | 75.13 | 71.90 | 67.43 | a | 56.27 | 47.63 | 39.18 | 56.17 | ||||||||||||
2006 | 41.83 | a | 41.75 | 47.45 | 58.67 | 66.55 | a | 74.63 | 76.05 | 72.62 | a | 62.35 | 55.50 | 47.47 | a | 37.19 | 56.84 | |||||||||
2007 | 30.62 | b | 41.21 | 48.95 | a | 52.58 | 61.33 | a | 69.12 | 73.63 | 76.21 | 67.97 | 57.73 | a | 48.19 | a | 37.10 | 55.39 | ||||||||
2008 | 34.00 | a | 42.29 | a | 46.84 | 53.72 | 61.10 | 72.97 | 73.03 | a | 72.31 | 65.27 | 55.91 | c | 47.16 | b | 39.25 | a | 55.32 | |||||||
2009 | 40.55 | a | 41.88 | b | 50.56 | 54.22 | a | 65.55 | 70.57 | 75.48 | 72.74 | 66.09 | a | 54.77 | 46.97 | 33.42 | a | 56.07 | ||||||||
2010 | 37.48 | 36.62 | b | 46.07 | b | 56.59 | a | 62.92 | a | 73.50 | 74.79 | 74.57 | b | 70.03 | a | 58.63 | 44.63 | 42.87 | 56.56 | |||||||
2011 | 37.71 | 36.98 | b | 50.74 | b | 57.72 | a | 61.21 | 74.52 | a | 79.32 | 78.69 | 66.57 | 56.03 | a | 47.36 | a | 33.33 | a | 56.68 | ||||||
2012 | 42.31 | 40.95 | a | 51.37 | 57.61 | b | 64.32 | 74.03 | 75.50 | 74.92 | 66.83 | 58.19 | ----- | z | 38.65 | 58.61 | a | |||||||||
2013 | 35.53 | 39.27 | ----- | z | 54.33 | 62.39 | 73.97 | 73.87 | 74.52 | 67.82 | 53.98 | 44.83 | 36.06 | 56.05 | a | |||||||||||
2014 | 38.90 | 43.59 | a | 47.71 | 53.63 | 61.71 | 71.67 | 74.13 | 71.71 | 67.48 | 59.13 | 44.23 | 39.35 | 56.10 | ||||||||||||
2015 | 38.60 | 41.43 | 49.35 | 54.32 | 59.63 | a | 71.10 | 74.73 | 75.63 | 71.92 | 58.40 | 45.48 | 39.71 | 56.69 | ||||||||||||
2016 | 37.66 | 43.52 | 49.12 | a | 53.45 | 59.32 | 74.52 | g | 78.79 | 71.71 | 67.63 | 61.00 | 49.18 | 39.87 | 55.57 | a | ||||||||||
2017 | 38.71 | 47.02 | 53.10 | 54.25 | 59.84 | 72.12 | 75.18 | a | 71.42 | 67.12 | 57.47 | 51.70 | 40.98 | 57.41 | ||||||||||||
2018 | 39.65 | 41.62 | 49.74 | 54.95 | 66.92 | 76.23 | 77.63 | 74.68 | 68.37 | ----- | z | ----- | z | 36.27 | 58.61 | b | ||||||||||
2019 | 39.03 | 40.07 | 45.78 | a | 54.16 | e | 59.05 | 69.48 | a | 75.68 | a | 75.68 | c | 71.35 | 53.79 | e | 45.57 | a | 40.42 | g | 57.24 | a | ||||
2020 | 40.30 | f | 40.81 | 49.87 | 54.59 | b | 66.20 | a | 74.04 | c | 76.77 | a | 77.24 | 65.55 | a | 56.89 | 49.78 | e | 39.20 | p | 61.17 | b | ||||
2021 | 36.67 | s | 37.54 | n | 48.60 | 53.04 | e | 64.00 | 71.75 | 74.42 | f | ----- | z | 68.25 | r | 56.65 | h | 53.88 | q | 44.77 | p | 59.35 | h | |||
2022 | ----- | z | ----- | z | ----- | z | 57.69 | c | 65.35 | g | 74.96 | f | 76.12 | g | 73.65 | h | 71.15 | m | ----- | z | ----- | z | ----- | z | 57.69 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.84 | 40.23 | 46.09 | 53.50 | 61.97 | 71.48 | 74.87 | 72.93 | 66.45 | 56.04 | 45.01 | 37.33 | 55.27 | |||||||||||||
S.D. | 3.40 | 3.21 | 3.32 | 3.13 | 2.50 | 2.44 | 2.16 | 2.07 | 2.16 | 2.57 | 3.42 | 2.88 | 1.12 | |||||||||||||
SKEW | -0.30 | 0.06 | -0.47 | -0.37 | 0.48 | 0.91 | 0.11 | 0.04 | 0.21 | -0.01 | -0.73 | 0.05 | -0.20 | |||||||||||||
MAX | 43.26 | 48.80 | 53.10 | 59.52 | 68.84 | 79.98 | 80.29 | 78.69 | 72.17 | 62.81 | 51.70 | 44.84 | 57.41 | |||||||||||||
MIN | 28.22 | 31.52 | 36.88 | 45.00 | 56.45 | 67.17 | 69.45 | 67.62 | 61.38 | 49.19 | 35.02 | 30.53 | 52.90 | |||||||||||||
YRS | 69 | 71 | 71 | 75 | 75 | 74 | 75 | 77 | 75 | 73 | 71 | 70 | 56 |