YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.05 | k | ----- | z |
1943 | 32.07 | d | 36.43 | 42.89 | c | 45.17 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.14 | h | |
1944 | ----- | z | ----- | z | 35.73 | e | 39.20 | 49.13 | a | 53.33 | c | 58.67 | m | 55.81 | 54.93 | 48.63 | d | 39.10 | 34.29 | 45.57 | c | |||||
1945 | 32.77 | 37.46 | 37.19 | 41.30 | 50.71 | 56.41 | a | 63.68 | 59.65 | 56.00 | 50.65 | 37.40 | 36.97 | 46.68 | ||||||||||||
1946 | 29.26 | 33.14 | 38.48 | 44.41 | a | 50.32 | 56.10 | 63.48 | 60.61 | 55.80 | 42.84 | 37.30 | g | 38.00 | 46.59 | a | ||||||||||
1947 | 28.55 | b | 41.20 | h | 41.77 | a | 44.70 | 54.23 | a | 58.63 | 58.81 | o | 58.46 | e | ----- | z | ----- | z | ----- | z | ----- | z | 47.72 | f | ||
1948 | ----- | z | ----- | z | ----- | z | 42.80 | t | 48.14 | c | 60.27 | 60.19 | 58.57 | c | ----- | z | ----- | z | ----- | z | 35.28 | f | 56.79 | h | ||
1949 | 27.58 | 32.96 | 41.10 | 46.27 | 50.48 | 57.43 | 61.23 | 57.97 | 56.90 | 45.58 | 41.50 | 33.35 | 46.03 | |||||||||||||
1950 | 32.87 | 38.29 | 40.29 | 45.60 | 50.16 | 54.77 | 64.19 | 60.74 | 57.20 | 50.93 | a | 46.10 | 44.29 | 48.79 | ||||||||||||
1951 | 36.77 | 36.54 | 38.00 | 45.93 | 50.37 | a | 57.70 | 61.13 | 60.16 | 58.57 | 48.32 | 42.60 | 36.52 | 47.72 | ||||||||||||
1952 | 36.10 | 38.03 | 37.94 | 45.33 | 52.19 | 53.53 | 64.77 | 60.93 | b | 58.30 | 51.55 | 38.00 | 40.26 | 48.08 | ||||||||||||
1953 | 40.29 | 34.43 | 38.19 | 44.67 | 46.19 | 53.63 | 63.94 | 58.10 | 58.03 | 45.19 | 40.87 | 30.75 | c | 46.19 | ||||||||||||
1954 | 33.50 | a | 38.89 | 39.00 | 47.47 | 49.74 | 54.03 | 62.61 | 55.04 | h | 52.43 | 46.27 | t | ----- | z | 42.42 | g | 47.21 | d | |||||||
1955 | ----- | z | ----- | z | 44.75 | w | 40.63 | 50.87 | 54.47 | 59.57 | h | 61.90 | 55.90 | 49.35 | 37.60 | 42.55 | 49.16 | d | ||||||||
1956 | ----- | z | ----- | z | ----- | z | ----- | z | 50.74 | 56.20 | 60.76 | b | 56.38 | b | 55.83 | 45.77 | 33.40 | 29.23 | 48.54 | d | ||||||
1957 | 30.39 | 41.23 | o | 42.32 | 46.73 | 48.32 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.00 | y | 35.48 | 40.65 | g | |||||
1958 | 34.29 | 42.43 | 40.84 | 45.47 | 53.10 | 56.07 | 60.04 | h | 65.37 | a | 55.60 | 50.96 | c | 37.00 | 33.35 | 46.77 | a | |||||||||
1959 | 38.77 | a | ----- | z | 41.67 | g | 46.73 | 47.65 | 56.80 | 63.29 | 60.86 | i | 56.90 | 49.89 | c | 37.33 | 32.45 | 47.76 | c | |||||||
1960 | 35.72 | b | 38.97 | 43.68 | 44.13 | 50.03 | a | 61.00 | 65.21 | b | 59.20 | a | 55.39 | g | 46.43 | c | 40.11 | c | 33.83 | b | 47.12 | a | ||||
1961 | 33.03 | 39.35 | b | 39.75 | c | 44.43 | 47.93 | a | 60.70 | 63.32 | 64.03 | 53.20 | e | 47.21 | g | 35.80 | 36.03 | a | 47.05 | a | ||||||
1962 | 28.65 | 38.39 | 35.61 | c | 44.38 | d | 45.07 | c | 57.37 | c | 62.11 | l | 60.16 | f | 56.93 | c | 49.04 | c | 41.59 | a | 36.62 | b | 43.36 | b | ||
1963 | 29.97 | a | 47.32 | c | 39.46 | c | 43.15 | c | 50.13 | 54.62 | a | 58.32 | 58.78 | h | 59.50 | ----- | z | 40.33 | o | 34.19 | 46.30 | c | ||||
1964 | 33.27 | e | ----- | z | ----- | z | 41.20 | t | 44.97 | b | 54.20 | ----- | z | 60.38 | b | 51.33 | 51.93 | b | ----- | z | 39.13 | 47.89 | e | |||
1965 | 39.35 | 37.12 | b | 40.48 | 47.00 | 47.76 | b | ----- | z | 62.35 | ----- | z | ----- | z | ----- | z | 45.14 | b | 34.81 | 44.25 | d | |||||
1966 | 31.56 | d | ----- | z | 40.75 | g | 46.40 | 51.83 | b | 56.48 | i | ----- | z | 63.19 | 56.14 | h | 49.10 | 43.00 | b | 39.74 | 46.40 | e | ||||
1967 | 35.52 | 38.25 | 40.48 | d | 40.14 | a | 49.32 | 52.96 | b | 65.40 | a | 66.06 | 60.50 | 47.00 | i | 43.44 | c | ----- | z | 49.21 | b | |||||
1968 | 31.54 | c | 47.04 | b | 42.62 | j | 42.83 | l | 46.57 | c | 57.82 | h | 62.90 | j | 59.61 | h | 56.14 | h | 48.12 | g | 42.38 | f | 31.45 | k | 41.71 | i |
1969 | 36.74 | h | 39.17 | e | 40.20 | a | 43.12 | d | 52.61 | c | 56.46 | b | 62.97 | a | 61.45 | b | 60.52 | a | 46.00 | c | 39.04 | e | 31.86 | i | 50.15 | b |
1970 | 40.08 | e | 40.04 | e | 40.08 | g | 38.78 | g | 48.79 | g | 57.45 | a | 62.68 | 59.93 | d | 54.15 | c | 46.38 | b | 40.31 | a | 39.50 | e | 48.95 | c | |
1971 | 33.70 | a | 33.39 | 38.61 | 42.70 | c | 48.63 | d | 53.19 | d | 62.03 | b | 63.59 | b | 56.79 | f | 41.45 | i | 37.17 | a | 31.64 | c | 44.47 | b | ||
1972 | 32.71 | 37.90 | 42.40 | a | 44.27 | d | 50.97 | b | 57.77 | 60.97 | 60.31 | b | 54.70 | 49.40 | a | 39.45 | h | 32.33 | j | 49.14 | b | |||||
1973 | 35.14 | i | 40.70 | h | 38.59 | i | 43.05 | h | 53.09 | i | 59.23 | h | 59.91 | h | 59.43 | h | 54.80 | j | 45.05 | i | 38.95 | k | 35.18 | n | ----- | z |
1974 | 36.80 | k | 35.11 | i | 42.57 | j | 41.91 | h | 50.80 | f | 59.50 | f | 64.32 | 63.74 | 61.23 | 55.96 | h | 39.05 | k | 36.25 | c | 56.39 | h | |||
1975 | 33.16 | 38.93 | 41.23 | 40.47 | 52.23 | 57.47 | 60.16 | 59.58 | 59.20 | 48.00 | b | 38.40 | 32.65 | 46.79 | ||||||||||||
1976 | 33.23 | 40.74 | b | 39.54 | c | 42.97 | a | 52.22 | d | 53.84 | k | 60.94 | 57.58 | 57.73 | 50.39 | 44.14 | a | 30.42 | 46.35 | a | ||||||
1977 | 37.03 | 37.82 | 34.77 | 43.69 | d | 48.03 | 61.30 | 62.71 | 63.39 | 59.17 | a | 51.35 | 42.30 | 42.29 | 48.66 | |||||||||||
1978 | 43.23 | 43.86 | ----- | z | ----- | z | 54.17 | g | 57.57 | 62.17 | a | 62.13 | 55.60 | 51.20 | a | 38.27 | 32.84 | 49.65 | c | |||||||
1979 | 37.39 | 37.54 | d | 44.17 | h | 43.61 | l | 52.14 | i | 56.65 | j | 61.74 | h | 60.58 | 59.30 | 53.94 | 43.00 | 37.21 | c | 46.99 | e | |||||
1980 | 41.65 | e | 43.70 | b | 40.26 | d | 44.25 | j | 49.67 | j | 52.28 | l | 63.30 | h | 60.60 | k | 56.73 | h | 47.83 | m | 41.31 | d | 37.75 | g | 41.73 | h |
1981 | 42.45 | 42.32 | 45.19 | 49.43 | 53.92 | e | 60.81 | d | 61.79 | b | 60.44 | f | 60.21 | a | 47.93 | a | 45.73 | 41.93 | b | 50.16 | a | |||||
1982 | 33.52 | b | 40.18 | 41.86 | b | 45.20 | 51.71 | 57.92 | e | 61.50 | a | 62.41 | b | 57.47 | 50.29 | 42.21 | a | 35.83 | b | 48.34 | ||||||
1983 | 39.79 | b | 42.57 | 45.94 | 44.50 | 53.03 | 56.89 | b | 59.00 | f | 64.32 | 61.40 | 53.29 | 43.48 | a | 42.35 | e | 49.78 | a | |||||||
1984 | 38.43 | a | 37.31 | 43.38 | b | 44.73 | 53.81 | 57.57 | 66.33 | a | 63.46 | c | 62.38 | a | 48.47 | a | 40.90 | a | 39.00 | a | 49.65 | |||||
1985 | 36.45 | b | 36.00 | i | 38.35 | 48.10 | 49.76 | b | 57.33 | ----- | z | 58.66 | b | 53.84 | e | 46.29 | 37.79 | b | 34.07 | c | 46.06 | b | ||||
1986 | 40.35 | 42.32 | 45.67 | a | 44.54 | f | 50.70 | d | 59.00 | 63.62 | g | 63.32 | f | 63.71 | w | 52.52 | h | 42.83 | a | 37.71 | c | 45.51 | e | |||
1987 | 37.07 | a | 38.77 | b | 43.21 | c | 53.71 | i | ----- | z | 59.43 | 67.35 | n | 58.00 | a | 58.76 | e | 57.24 | b | 39.64 | b | 40.68 | l | 49.02 | d | |
1988 | 40.00 | f | 39.92 | e | 46.06 | ----- | z | 53.57 | a | 58.03 | 66.10 | 64.03 | 58.96 | d | 53.52 | 42.90 | 37.56 | f | 53.68 | c | ||||||
1989 | 34.21 | b | 37.52 | g | 46.94 | 50.03 | 52.03 | 58.37 | 60.25 | g | 59.39 | 58.93 | 50.81 | 44.83 | 35.06 | 49.06 | b | |||||||||
1990 | 39.84 | 42.82 | 50.58 | 53.32 | b | 52.94 | 61.30 | 60.56 | o | 64.39 | 59.73 | 52.29 | 39.68 | b | 26.60 | a | 49.41 | a | ||||||||
1991 | 37.13 | 41.52 | a | 42.68 | 44.37 | 51.42 | e | 55.12 | f | 64.79 | l | 63.19 | 61.30 | 55.61 | 41.00 | e | 34.61 | m | 48.69 | c | ||||||
1992 | ----- | z | 47.06 | k | 47.77 | 49.71 | b | 59.68 | 59.07 | 63.55 | 65.18 | i | 61.24 | m | 54.67 | a | 41.67 | f | 39.05 | k | 55.74 | f | ||||
1993 | 40.59 | d | 42.67 | a | 49.08 | r | 48.43 | ----- | z | ----- | z | 60.90 | 59.03 | 56.00 | n | 51.26 | 40.10 | 39.38 | r | 49.00 | e | |||||
1994 | 33.44 | m | 41.12 | l | 44.90 | k | 50.42 | k | 52.45 | k | 55.82 | h | 61.37 | l | 59.26 | h | 56.74 | k | 47.35 | k | 32.42 | r | 34.20 | p | ----- | z |
1995 | 42.67 | p | 44.00 | n | 44.42 | s | 44.80 | j | 54.71 | 58.43 | 62.87 | 60.48 | 58.30 | c | 52.90 | b | 56.39 | g | 55.96 | d | 57.66 | e | ||||
1996 | 44.38 | r | 43.65 | l | 43.00 | b | 46.00 | 54.00 | g | 58.44 | l | 65.88 | e | 64.78 | d | 56.96 | d | 49.16 | 44.90 | 43.33 | d | 51.75 | d | |||
1997 | 43.57 | a | 41.09 | e | 47.29 | 50.80 | 58.84 | 59.76 | a | 64.13 | 64.62 | j | 62.38 | a | 48.94 | 49.60 | 37.19 | 51.23 | a | |||||||
1998 | 42.32 | f | 43.26 | a | 44.04 | f | 47.93 | 52.35 | 57.63 | 63.77 | 65.26 | 60.10 | 48.05 | i | 42.92 | q | 29.06 | m | 55.76 | e | ||||||
1999 | 42.30 | u | 41.83 | p | 41.25 | o | 45.32 | b | ----- | z | ----- | z | 55.12 | w | 61.83 | m | ----- | z | ----- | z | ----- | z | ----- | z | 45.32 | k |
2000 | 45.04 | d | 47.21 | j | 45.62 | e | 50.52 | a | ----- | z | 59.82 | h | 59.19 | ----- | z | ----- | z | 50.06 | 36.24 | i | 35.54 | e | 47.66 | f | ||
2001 | 33.65 | k | 38.92 | c | 46.71 | j | 44.42 | d | 59.30 | h | 61.57 | i | 66.71 | 61.74 | 61.11 | c | 55.29 | q | ----- | z | ----- | z | 54.58 | g | ||
2002 | ----- | z | 39.05 | f | 40.87 | 47.93 | 52.45 | 58.30 | 63.03 | 59.65 | 58.67 | c | 48.90 | 43.43 | b | ----- | z | 52.58 | c | |||||||
2003 | 42.55 | i | 38.89 | 44.90 | 44.33 | 49.37 | a | 59.50 | 67.16 | 63.29 | 60.33 | 52.42 | 40.53 | 40.16 | 50.99 | a | ||||||||||
2004 | 38.97 | 39.39 | k | 50.28 | b | 50.63 | 54.58 | 58.00 | 63.42 | 62.13 | 57.17 | 51.45 | 41.50 | 38.39 | 51.50 | a | ||||||||||
2005 | 41.55 | 44.93 | a | 45.83 | a | ----- | z | 54.84 | 58.53 | ----- | z | 64.81 | 56.53 | ----- | z | ----- | z | 41.03 | a | 51.01 | d | |||||
2006 | 38.68 | ----- | z | 41.52 | 51.73 | 56.94 | 63.10 | 67.34 | b | 61.63 | a | 57.55 | a | 48.29 | 42.34 | a | 33.52 | 51.15 | a | |||||||
2007 | 29.42 | 40.25 | 46.23 | 49.87 | 54.83 | a | 58.07 | a | 62.94 | 63.19 | 55.97 | 48.77 | 42.27 | 35.61 | 48.95 | |||||||||||
2008 | 38.74 | 39.79 | 42.19 | 45.07 | a | 53.90 | 59.00 | 64.16 | 65.13 | 59.33 | 50.84 | 43.87 | 35.17 | a | 49.77 | |||||||||||
2009 | 35.16 | 41.09 | e | 41.57 | a | 45.20 | 57.16 | 58.87 | 65.58 | 62.97 | 61.67 | 49.68 | 40.00 | 37.29 | 49.69 | |||||||||||
2010 | 40.16 | 44.11 | 41.39 | 44.09 | g | ----- | z | 58.21 | b | 62.71 | 59.32 | 56.77 | 54.21 | c | 41.88 | e | 43.16 | 50.19 | b | |||||||
2011 | 39.03 | 36.89 | 43.04 | g | 46.04 | f | 48.48 | 57.53 | 62.42 | 60.52 | 60.44 | c | 51.68 | 41.30 | 29.45 | 48.78 | b | |||||||||
2012 | 34.74 | 39.17 | 42.97 | 48.77 | 53.58 | 58.17 | 62.13 | a | 65.60 | a | 61.13 | 52.13 | 40.93 | c | 39.06 | 49.87 | ||||||||||
2013 | 32.90 | 35.50 | 45.35 | 49.00 | 53.58 | 59.83 | 64.94 | 62.61 | 58.93 | 47.52 | 41.90 | 29.90 | 48.50 | |||||||||||||
2014 | 36.45 | 41.92 | c | 47.16 | 49.50 | 55.81 | 60.07 | 67.32 | 64.84 | 62.00 | 52.57 | a | 42.00 | 41.42 | 51.75 | |||||||||||
2015 | 36.87 | 42.32 | 47.13 | 43.70 | c | 41.73 | a | 54.32 | h | 59.45 | i | 64.04 | d | 61.60 | 52.19 | 37.10 | 34.48 | 46.12 | b | |||||||
2016 | 41.68 | 40.59 | 44.06 | 48.53 | ----- | z | 62.00 | n | 64.06 | 63.19 | 56.73 | 50.94 | 44.83 | a | 36.55 | 49.12 | b | |||||||||
2017 | 39.03 | 44.57 | 44.68 | 47.77 | 53.97 | 60.87 | 64.77 | 66.13 | 60.77 | d | 47.26 | 44.20 | 33.16 | 50.60 | ||||||||||||
2018 | 42.16 | 37.04 | 42.81 | 48.60 | 52.67 | a | 50.70 | 65.81 | 54.00 | a | 50.63 | 49.97 | 42.07 | 39.26 | 47.98 | |||||||||||
2019 | 40.55 | 38.96 | 41.83 | a | 49.36 | s | 52.38 | e | 62.23 | 63.35 | 64.97 | 59.96 | d | 48.00 | r | 41.20 | 40.42 | 50.59 | b | |||||||
2020 | 36.52 | 38.96 | b | 43.68 | 49.67 | 55.17 | a | 59.97 | 62.00 | 67.19 | 61.40 | 52.50 | a | 43.00 | y | 34.92 | g | 52.71 | b | |||||||
2021 | 35.39 | 38.79 | 40.94 | 49.47 | 54.39 | 62.50 | 69.29 | c | 62.58 | 59.93 | 50.10 | b | 41.90 | 37.03 | b | 50.19 | ||||||||||
2022 | 35.19 | d | 35.04 | e | 43.45 | 48.21 | b | 50.38 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.47 | h | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.28 | 39.67 | 42.34 | 46.19 | 51.51 | 57.77 | 63.42 | 61.72 | 58.14 | 50.12 | 41.25 | 36.80 | 48.64 | |||||||||||||
S.D. | 4.15 | 3.17 | 3.43 | 3.02 | 3.31 | 2.58 | 2.18 | 2.82 | 2.74 | 2.75 | 2.88 | 4.71 | 1.54 | |||||||||||||
SKEW | -0.09 | 0.14 | 0.12 | -0.04 | -0.20 | -0.39 | 0.23 | -0.36 | -0.63 | -0.06 | -0.06 | 0.97 | -0.02 | |||||||||||||
MAX | 45.04 | 47.32 | 50.58 | 53.32 | 59.68 | 63.10 | 69.29 | 67.19 | 62.38 | 57.24 | 49.60 | 55.96 | 51.75 | |||||||||||||
MIN | 27.58 | 32.96 | 34.77 | 39.20 | 41.73 | 50.70 | 58.32 | 54.00 | 50.63 | 42.84 | 33.40 | 26.60 | 46.03 | |||||||||||||
YRS | 63 | 58 | 61 | 61 | 63 | 60 | 55 | 62 | 62 | 58 | 58 | 58 | 19 |