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 | 40.88 | e | 40.88 | k |
1942 | 37.50 | a | 36.61 | 44.94 | 57.53 | 68.55 | 77.60 | 80.74 | 78.23 | 73.17 | 63.39 | 53.47 | 39.94 | 59.30 | ||||||||||||
1943 | 36.81 | 45.14 | ----- | z | 73.58 | r | 70.29 | 78.40 | 84.00 | 79.42 | 73.77 | 59.32 | 46.20 | 25.23 | 59.86 | b | ||||||||||
1944 | 23.48 | 30.66 | 42.00 | a | 54.43 | 67.77 | 78.93 | 79.97 | 79.03 | 72.24 | a | 60.39 | 42.97 | 31.74 | 55.30 | |||||||||||
1945 | 33.13 | 40.93 | 47.07 | a | 55.57 | 71.55 | 76.63 | 81.16 | 78.48 | 71.73 | 60.26 | 44.77 | 32.06 | 57.78 | ||||||||||||
1946 | 33.10 | 40.18 | 51.00 | 66.40 | 66.06 | 82.53 | 82.39 | 77.61 | 73.90 | 56.71 | 40.23 | 39.65 | 59.15 | |||||||||||||
1947 | 33.58 | 44.39 | 48.52 | 56.37 | 70.68 | 75.30 | 81.97 | 77.65 | 71.43 | 62.39 | 39.30 | 29.52 | 57.59 | |||||||||||||
1948 | 29.94 | 29.69 | 35.97 | 61.27 | ----- | z | 76.00 | n | 81.81 | 79.77 | 74.00 | 58.79 | b | 39.73 | 34.48 | b | 52.54 | b | ||||||||
1949 | 24.10 | 29.85 | a | 47.29 | 57.61 | g | 68.19 | 73.83 | 79.06 | 77.10 | 69.67 | c | 54.46 | g | 52.63 | 34.39 | 55.61 | b | ||||||||
1950 | 34.89 | c | 45.88 | b | 48.19 | e | 62.39 | b | 68.14 | c | 79.23 | 77.74 | 75.97 | 68.53 | 66.35 | e | 48.83 | 39.71 | 59.66 | |||||||
1951 | 37.61 | 38.04 | 46.87 | 56.67 | 70.90 | a | 77.57 | 86.26 | 79.20 | a | 76.07 | 64.16 | 44.77 | 35.71 | 59.48 | |||||||||||
1952 | 33.71 | 36.31 | 42.27 | a | 60.93 | 69.55 | 82.30 | 83.00 | 81.21 | b | 76.97 | 69.26 | 42.13 | 31.10 | 59.06 | |||||||||||
1953 | 43.06 | 42.32 | 53.03 | 58.33 | 64.29 | 80.97 | 82.55 | 80.23 | 78.63 | 65.00 | a | 48.23 | 32.48 | 60.76 | ||||||||||||
1954 | 38.06 | 50.43 | 50.68 | 68.00 | 72.77 | 83.30 | 86.74 | 83.13 | 77.17 | 70.12 | e | 54.81 | d | 39.77 | 64.58 | |||||||||||
1955 | 35.94 | 39.79 | 52.32 | 57.47 | 68.19 | 78.17 | 84.77 | 82.84 | 77.90 | 66.94 | 49.23 | 42.71 | 61.36 | |||||||||||||
1956 | 41.87 | 37.59 | 54.26 | 58.23 | 73.48 | 83.20 | 85.68 | 80.45 | 80.97 | 66.19 | 44.73 | 42.35 | 62.42 | |||||||||||||
1957 | 37.16 | 50.18 | 50.29 | 55.03 | 62.03 | 78.60 | 79.90 | 78.84 | 74.40 | 60.55 | 39.63 | 39.87 | 58.87 | |||||||||||||
1958 | 38.52 | 46.00 | 46.23 | 56.67 | 74.23 | 81.40 | 82.10 | 81.58 | 74.73 | 65.00 | 48.97 | 47.06 | 61.87 | |||||||||||||
1959 | 37.13 | 42.18 | 48.90 | 58.83 | 67.23 | 81.77 | 82.65 | 78.29 | 72.73 | 61.67 | a | 47.97 | 43.23 | 60.21 | ||||||||||||
1960 | 29.90 | 31.14 | 49.94 | 62.17 | 68.23 | 79.13 | 80.61 | 80.74 | 74.40 | 61.19 | 51.17 | 32.26 | 58.41 | |||||||||||||
1961 | 33.74 | 44.96 | 50.39 | 59.13 | 68.97 | 78.53 | 79.39 | 78.19 | 69.27 | 63.94 | 40.10 | 31.77 | 58.20 | |||||||||||||
1962 | 35.06 | 45.57 | 45.84 | 63.77 | 69.65 | 75.87 | 77.68 | 79.61 | 72.40 | 66.26 | 51.53 | 44.90 | 60.68 | |||||||||||||
1963 | 32.90 | 42.32 | 49.23 | 59.54 | b | 71.77 | 77.10 | 83.16 | 77.90 | 76.30 | 68.68 | 51.27 | 41.16 | 60.94 | ||||||||||||
1964 | 35.94 | 31.86 | 41.06 | 56.53 | 69.48 | 75.97 | 84.35 | 78.94 | 72.50 | 67.71 | 44.40 | 28.03 | 57.23 | |||||||||||||
1965 | 33.29 | 36.32 | 43.19 | 58.63 | 65.03 | 73.30 | 79.40 | a | 76.77 | 68.50 | 66.65 | 52.57 | 40.26 | 57.83 | ||||||||||||
1966 | 31.03 | 32.25 | 51.26 | 61.47 | 71.52 | 75.57 | 82.23 | 78.84 | 75.93 | 64.13 | 53.80 | 41.43 | a | 59.95 | ||||||||||||
1967 | 39.68 | 44.93 | 56.39 | 59.96 | b | 67.23 | 73.67 | 79.81 | 77.19 | 71.77 | 67.32 | 53.07 | 29.23 | 60.02 | ||||||||||||
1968 | 25.00 | 35.69 | 48.61 | 55.23 | 66.52 | 77.97 | 78.42 | 75.26 | 72.03 | 65.71 | 47.00 | 38.26 | 57.14 | |||||||||||||
1969 | 42.35 | 43.54 | 47.58 | 62.40 | 71.55 | 72.13 | 81.00 | 82.06 | 73.10 | 54.13 | 50.33 | 37.00 | 59.76 | |||||||||||||
1970 | 37.45 | 49.25 | 48.13 | 54.70 | 70.58 | 75.43 | 80.26 | 80.48 | 69.97 | a | 53.90 | 48.90 | 40.06 | 59.09 | ||||||||||||
1971 | 38.83 | a | 39.68 | 50.45 | 58.50 | 63.84 | 75.57 | 77.39 | 76.52 | 70.21 | a | 59.37 | a | 43.83 | 32.00 | 57.18 | ||||||||||
1972 | 33.87 | 45.07 | 56.55 | 60.27 | 66.35 | 75.27 | 77.94 | 74.94 | 69.80 | 59.68 | 32.87 | 26.23 | 56.57 | |||||||||||||
1973 | 23.39 | 31.18 | 42.42 | 52.93 | a | 66.48 | 75.73 | 77.26 | 76.32 | 70.37 | 62.87 | 50.43 | 39.32 | 55.73 | ||||||||||||
1974 | 26.13 | 33.07 | 53.58 | 56.83 | 72.32 | 78.30 | 77.94 | 74.42 | 71.03 | 60.77 | 45.40 | 30.90 | a | 56.72 | ||||||||||||
1975 | 25.29 | 33.32 | 43.70 | a | 52.77 | 64.16 | 73.00 | 77.39 | 76.58 | 70.07 | a | 62.32 | 43.43 | 29.48 | 54.29 | |||||||||||
1976 | 27.00 | 42.62 | 48.19 | 57.53 | 65.74 | 73.30 | 79.32 | 75.16 | 70.70 | 58.70 | a | 47.03 | 28.80 | a | 56.18 | |||||||||||
1977 | 28.19 | 39.36 | 45.00 | 59.00 | 68.16 | 80.20 | 79.03 | 79.06 | 73.70 | 64.55 | 47.33 | 41.94 | 58.79 | |||||||||||||
1978 | 38.87 | 43.25 | 54.26 | 60.30 | 62.32 | 75.20 | 78.48 | 79.00 | 72.47 | 63.03 | 45.03 | 21.55 | 57.81 | |||||||||||||
1979 | 20.33 | a | 28.61 | 41.10 | 58.52 | a | 65.48 | 73.03 | 78.77 | 74.26 | 74.73 | 64.39 | 39.27 | 37.55 | 54.67 | |||||||||||
1980 | 33.03 | 42.62 | 45.29 | 53.97 | 61.77 | 76.90 | 81.19 | 76.87 | 72.77 | 59.29 | 50.43 | 47.94 | 58.51 | |||||||||||||
1981 | 44.39 | 47.18 | 47.26 | 63.87 | 63.03 | 77.13 | 77.77 | 75.39 | 71.77 | 58.45 | 51.86 | a | 39.52 | 59.80 | ||||||||||||
1982 | 36.87 | 37.54 | 48.87 | 56.55 | a | 63.03 | 71.77 | 77.90 | 75.53 | a | 68.60 | 57.29 | 46.03 | 36.63 | a | 56.39 | ||||||||||
1983 | 39.23 | 42.93 | 48.10 | a | 51.17 | 61.84 | 70.53 | 80.26 | 79.68 | 74.90 | a | 62.90 | 44.59 | a | 30.50 | a | 57.22 | |||||||||
1984 | 20.68 | 30.62 | 42.43 | a | 56.18 | b | 71.74 | 74.77 | 80.00 | 78.32 | 73.10 | 52.68 | 46.67 | 34.65 | 55.15 | |||||||||||
1985 | 28.58 | 34.89 | 46.60 | a | 59.73 | 66.13 | a | 77.90 | 79.87 | 80.39 | 68.10 | 61.03 | 43.60 | 32.29 | 56.59 | |||||||||||
1986 | 38.45 | 44.04 | 55.87 | 59.72 | a | 66.71 | 74.20 | 76.55 | 77.81 | 67.77 | 57.55 | 43.79 | a | 34.23 | a | 58.06 | ||||||||||
1987 | 29.42 | 36.32 | 41.87 | 59.40 | 65.13 | 76.37 | 80.23 | 75.90 | 71.00 | 66.16 | 43.00 | 29.10 | b | 56.16 | ||||||||||||
1988 | 21.93 | b | 33.72 | 45.68 | 60.87 | 65.63 | a | 76.83 | 80.03 | 78.19 | 73.03 | 66.48 | 45.07 | 33.77 | 56.77 | |||||||||||
1989 | 30.74 | 33.46 | 56.10 | 63.93 | 70.61 | 74.80 | 81.84 | 76.90 | 73.50 | 61.90 | 52.53 | 40.35 | 59.72 | |||||||||||||
1990 | 33.87 | 43.93 | 50.77 | 59.33 | 64.13 | 79.40 | 77.26 | 76.81 | 76.53 | 62.48 | 47.67 | 33.00 | 58.77 | |||||||||||||
1991 | 28.35 | 44.29 | 47.58 | 57.87 | 67.35 | 76.10 | a | 79.65 | 79.45 | 74.23 | 68.06 | 36.37 | 23.45 | 56.90 | ||||||||||||
1992 | 20.19 | 30.17 | 43.42 | 63.10 | 68.84 | 73.53 | 77.03 | 76.55 | 74.90 | 66.35 | 39.53 | 25.60 | a | 54.94 | ||||||||||||
1993 | 31.10 | 35.57 | 48.16 | 58.20 | 65.71 | 76.43 | 80.52 | 75.16 | 71.93 | 59.26 | 41.57 | 35.10 | 56.56 | |||||||||||||
1994 | 37.52 | 39.71 | 53.39 | 57.27 | 67.39 | 79.63 | 79.13 | 78.55 | 72.33 | 59.65 | 41.93 | 36.35 | 58.57 | |||||||||||||
1995 | 37.84 | 51.46 | 50.52 | 53.77 | 62.74 | 73.17 | 76.71 | 79.58 | 70.90 | 64.26 | 52.27 | 42.35 | 59.63 | |||||||||||||
1996 | 38.65 | 48.17 | 51.58 | 58.67 | 73.84 | 77.20 | 80.97 | 79.84 | 69.97 | 58.29 | 46.29 | b | 36.19 | 59.97 | ||||||||||||
1997 | 29.43 | a | 36.37 | a | 51.70 | a | 53.33 | 66.19 | 75.33 | 78.13 | a | 76.65 | 73.41 | a | 59.87 | 41.70 | 25.65 | 55.65 | ||||||||
1998 | 32.03 | 34.89 | 47.00 | 51.54 | b | 67.19 | 73.63 | 79.55 | 79.45 | 76.40 | 57.37 | a | 49.17 | 41.55 | 57.48 | |||||||||||
1999 | 42.90 | 46.89 | 56.10 | a | 55.23 | 62.42 | 74.93 | 77.81 | 75.26 | 70.90 | 65.55 | 52.48 | c | 39.55 | 60.00 | |||||||||||
2000 | 41.42 | 45.10 | 49.42 | 61.04 | d | 73.29 | 77.93 | 81.65 | 82.13 | 75.23 | 61.68 | 40.77 | 39.68 | 60.78 | ||||||||||||
2001 | 33.84 | 37.57 | 47.71 | 61.27 | 70.19 | 79.10 | 80.06 | 78.65 | 76.23 | 63.84 | 49.20 | 36.35 | 59.50 | |||||||||||||
2002 | 34.10 | 39.64 | 50.19 | 65.93 | 70.32 | 81.93 | 83.65 | 80.74 | 71.10 | 59.35 | 47.93 | 33.19 | 59.84 | |||||||||||||
2003 | 45.52 | 41.36 | 51.03 | 59.13 | 70.39 | 75.93 | 85.77 | 79.97 | 73.27 | 66.65 | 45.20 | 35.35 | 60.80 | |||||||||||||
2004 | 35.52 | 31.28 | 57.29 | 55.87 | 70.71 | 77.17 | 79.65 | 78.94 | 72.00 | 59.55 | 46.03 | 37.06 | 58.42 | |||||||||||||
2005 | 38.48 | 39.57 | 47.58 | 59.37 | 69.55 | 76.73 | 84.10 | 77.52 | 74.07 | 61.61 | 51.33 | 40.16 | 60.01 | |||||||||||||
2006 | 40.10 | 45.61 | 49.06 | 63.23 | 71.81 | 80.40 | 80.48 | 77.29 | 70.62 | n | 59.00 | 49.47 | 35.26 | 59.25 | a | |||||||||||
2007 | 24.10 | 34.61 | 52.42 | 58.60 | 66.58 | 78.63 | 82.26 | 81.42 | 73.77 | 63.90 | 51.13 | 24.61 | 57.67 | |||||||||||||
2008 | 21.52 | 33.17 | 44.97 | 58.40 | 66.19 | 76.60 | 81.23 | 78.03 | 73.67 | 63.32 | 48.60 | 30.13 | 56.32 | |||||||||||||
2009 | 27.74 | 37.82 | 51.10 | 56.50 | 70.03 | 72.23 | 82.87 | h | 78.39 | 70.83 | 56.90 | k | 50.53 | m | 35.65 | k | 58.08 | d | ||||||||
2010 | 37.95 | l | 30.58 | i | 49.33 | j | 62.39 | l | 70.19 | o | 81.65 | j | 83.58 | l | 80.95 | i | 78.40 | j | 63.30 | k | 48.38 | i | 44.86 | j | ----- | z |
2011 | 37.29 | n | 35.63 | i | 55.15 | k | 61.62 | n | 62.67 | p | 83.61 | l | 86.06 | m | 84.50 | k | 74.20 | j | 63.05 | k | 47.33 | i | 28.35 | n | ----- | z |
2012 | 40.40 | k | 40.94 | k | 58.35 | n | 70.44 | n | 74.36 | t | 87.38 | n | 85.07 | q | 82.00 | i | 72.73 | o | 65.87 | p | 53.84 | k | 34.06 | n | ----- | z |
2013 | 24.36 | t | 38.07 | n | 52.00 | p | 59.11 | l | 68.26 | l | 84.40 | o | 82.89 | l | 80.40 | k | 73.82 | m | 61.83 | m | 48.12 | m | 23.94 | m | ----- | z |
2014 | 30.00 | n | 41.12 | k | 53.75 | o | 55.71 | p | 65.67 | s | 80.58 | r | 82.47 | n | 80.00 | l | 78.10 | j | 64.83 | m | 48.50 | l | 40.42 | l | ----- | z |
2015 | 41.00 | l | 43.79 | i | 55.53 | n | 62.53 | k | 63.69 | r | 82.06 | m | 79.75 | o | 81.43 | q | 77.39 | l | 66.84 | l | 49.35 | m | 39.05 | k | ----- | z |
2016 | 29.25 | o | 44.38 | m | 53.65 | h | 58.83 | l | 63.64 | q | 83.17 | r | 84.27 | t | 75.94 | o | 75.87 | o | 67.27 | t | 59.29 | w | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.31 | 39.42 | 48.59 | 58.60 | 67.91 | 76.88 | 80.50 | 78.33 | 72.89 | 62.36 | 46.47 | 35.35 | 58.42 | |||||||||||||
S.D. | 6.35 | 5.95 | 4.35 | 3.49 | 3.27 | 2.93 | 2.47 | 2.08 | 2.68 | 3.82 | 4.71 | 5.88 | 2.04 | |||||||||||||
SKEW | -0.37 | 0.01 | -0.19 | 0.26 | -0.09 | 0.23 | 0.60 | 0.12 | 0.40 | -0.23 | -0.41 | -0.22 | 0.22 | |||||||||||||
MAX | 45.52 | 51.46 | 57.29 | 68.00 | 74.23 | 83.30 | 86.74 | 83.13 | 80.97 | 70.12 | 54.81 | 47.94 | 64.58 | |||||||||||||
MIN | 20.19 | 28.61 | 35.97 | 51.17 | 61.77 | 70.53 | 76.55 | 74.26 | 67.77 | 52.68 | 32.87 | 21.55 | 54.29 | |||||||||||||
YRS | 68 | 68 | 67 | 66 | 67 | 67 | 67 | 68 | 67 | 66 | 67 | 68 | 63 |