YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1936 | 43.30 | u | 51.69 | c | 60.44 | d | 68.75 | f | 74.58 | 80.07 | b | 91.60 | a | 91.89 | c | 83.62 | a | 77.80 | a | 62.40 | 45.47 | a | 71.96 | b | ||
1937 | 29.90 | a | 42.16 | c | 53.31 | e | 60.59 | c | 76.48 | d | 79.07 | b | 91.33 | a | 90.16 | 84.43 | 72.47 | a | 51.20 | 41.43 | c | 64.38 | ||||
1938 | 42.83 | b | 40.54 | 48.29 | c | 59.57 | b | 72.42 | 86.41 | c | 94.33 | a | 88.94 | 82.97 | 66.77 | i | 53.15 | j | 46.31 | e | 66.26 | b | ||||
1939 | 45.70 | d | 48.48 | a | 61.40 | a | 71.50 | 76.29 | 82.83 | 94.29 | 96.87 | a | 85.17 | 72.48 | 62.43 | 49.39 | 70.57 | |||||||||
1940 | 49.68 | 49.62 | 60.53 | a | 67.54 | b | 78.16 | 90.80 | 89.03 | 95.42 | 75.73 | 68.87 | 47.69 | a | 41.58 | 67.89 | ||||||||||
1941 | 43.68 | 51.46 | 60.81 | 60.68 | b | 67.27 | a | 72.72 | a | 91.26 | 84.97 | 77.40 | 65.80 | f | 57.97 | a | 43.23 | 64.68 | a | |||||||
1942 | 44.35 | 50.57 | 58.32 | 61.97 | 66.35 | 79.50 | d | 91.87 | 93.19 | 84.90 | 73.71 | 55.38 | a | 44.03 | 67.01 | |||||||||||
1943 | 42.33 | d | 54.96 | 60.67 | a | 65.30 | 71.61 | 75.07 | b | 91.13 | 85.84 | 90.77 | 67.10 | a | 53.47 | 46.06 | 67.03 | |||||||||
1944 | 42.77 | 50.36 | a | 58.68 | 60.30 | 72.97 | 77.33 | 89.74 | 88.52 | 84.67 | 75.52 | 50.03 | 40.80 | a | 65.97 | |||||||||||
1945 | 46.00 | 51.29 | 52.68 | 64.63 | 70.00 | 80.47 | 94.23 | 91.32 | 84.23 | 72.06 | 50.10 | 44.97 | 66.83 | |||||||||||||
1946 | 44.03 | 48.21 | 56.90 | a | 67.93 | 75.52 | 78.10 | 89.65 | 93.37 | a | 81.43 | 62.81 | 52.63 | 46.58 | 66.43 | |||||||||||
1947 | 42.77 | 57.78 | a | 62.55 | 68.00 | 80.19 | 78.67 | 86.68 | c | 87.61 | 86.57 | 67.73 | a | 53.33 | 44.26 | 68.01 | ||||||||||
1948 | 47.55 | 49.34 | 52.77 | a | 54.97 | a | 66.39 | 80.86 | a | 88.07 | a | 87.00 | 80.23 | 69.52 | b | 52.97 | 38.77 | a | 64.04 | |||||||
1949 | 35.65 | 45.82 | 53.77 | 72.53 | 72.19 | j | 85.33 | 93.29 | 88.52 | 85.63 | 68.42 | 61.07 | 44.65 | 66.79 | a | |||||||||||
1950 | 37.00 | 49.86 | 55.29 | 65.70 | 75.94 | 81.40 | 94.13 | 93.10 | 82.77 | 67.16 | 54.67 | 46.74 | 66.98 | |||||||||||||
1951 | 41.90 | 50.14 | 57.17 | a | 72.41 | a | 73.55 | 87.80 | 93.00 | 91.06 | 88.50 | 66.32 | 52.90 | 40.06 | 67.90 | |||||||||||
1952 | 36.65 | 48.10 | 52.29 | 68.77 | 75.00 | 76.70 | 94.39 | 90.35 | 87.07 | 76.87 | 50.50 | 37.74 | 66.20 | |||||||||||||
1953 | 45.35 | 54.61 | 56.94 | 62.67 | 62.90 | 73.37 | 92.84 | 85.90 | 88.87 | 67.71 | 55.17 | 45.10 | 65.95 | |||||||||||||
1954 | 45.03 | 55.96 | 56.16 | 66.57 | b | 78.35 | 77.27 | 91.97 | 82.45 | 78.27 | 68.19 | 57.47 | 42.39 | 66.67 | ||||||||||||
1955 | 38.29 | 49.43 | 58.26 | 57.40 | 74.47 | a | 84.90 | a | 88.07 | a | 94.39 | 81.07 | 71.68 | 49.18 | b | 44.55 | 65.97 | |||||||||
1956 | 45.40 | a | 43.07 | 58.68 | 69.00 | a | 73.19 | 79.23 | 92.40 | a | 87.68 | 83.03 | 64.84 | 53.75 | f | 43.93 | b | 67.31 | a | |||||||
1957 | 38.83 | a | 51.75 | 54.58 | 64.07 | 72.61 | 85.47 | 88.29 | 86.19 | 85.20 | 60.79 | b | 52.07 | 43.97 | 65.32 | |||||||||||
1958 | 43.16 | 53.07 | 52.48 | 62.57 | 80.19 | 79.53 | 92.29 | c | 94.48 | 82.69 | a | 76.87 | 52.17 | 47.42 | 68.08 | |||||||||||
1959 | 47.42 | 48.79 | 62.13 | a | 72.55 | a | 71.61 | 87.17 | 96.16 | 91.16 | 77.07 | 74.23 | 62.30 | 45.87 | 69.70 | |||||||||||
1960 | 43.06 | 51.38 | 60.63 | a | 63.57 | 70.00 | 87.77 | 95.16 | 89.16 | 86.50 | 71.35 | 53.20 | 42.55 | 67.86 | ||||||||||||
1961 | 48.65 | 51.89 | 52.71 | 66.07 | 67.00 | 87.67 | 92.45 | 91.65 | 78.73 | 70.68 | 52.59 | a | 43.77 | 66.99 | ||||||||||||
1962 | 42.52 | 47.89 | a | 54.35 | 72.60 | 68.17 | a | 85.03 | 91.53 | a | 87.42 | 87.00 | 67.43 | c | 55.75 | b | 48.11 | d | 67.32 | |||||||
1963 | 46.68 | 57.86 | 57.47 | a | 55.73 | 74.00 | 80.93 | 86.97 | 88.29 | 86.48 | a | 68.55 | 51.14 | i | 47.67 | a | 68.24 | a | ||||||||
1964 | 44.19 | 53.24 | 56.58 | 67.20 | 71.55 | b | 78.67 | 91.00 | 91.61 | 83.97 | 77.55 | 50.93 | 45.00 | 67.62 | ||||||||||||
1965 | 40.73 | a | 55.96 | 62.10 | 62.53 | 71.70 | a | 81.90 | 91.19 | 85.42 | 81.13 | 78.39 | 56.63 | c | 43.21 | b | 67.57 | |||||||||
1966 | 43.81 | 50.48 | a | 58.42 | 70.93 | 80.61 | 81.10 | 89.55 | 93.87 | 85.18 | b | 73.20 | a | 53.44 | c | 43.74 | 68.69 | |||||||||
1967 | 45.00 | 56.25 | 53.42 | 53.00 | c | 76.47 | a | 83.27 | 94.55 | 97.35 | 90.13 | 70.76 | b | 57.00 | a | 32.77 | a | 67.50 | ||||||||
1968 | 39.35 | 54.86 | a | 60.65 | 67.27 | 74.48 | 85.93 | a | 95.26 | 85.03 | 86.80 | 70.17 | b | 49.96 | f | 40.43 | c | 69.11 | a | |||||||
1969 | 38.13 | a | 44.44 | a | 59.00 | b | 64.17 | 79.92 | e | 81.97 | 92.10 | 93.87 | 87.90 | 66.83 | b | 57.77 | 46.65 | 67.73 | ||||||||
1970 | 46.58 | 56.04 | a | 59.88 | g | 60.10 | a | 78.61 | 87.17 | 95.48 | 95.19 | 85.10 | 71.55 | 54.47 | 39.44 | d | 69.98 | a | ||||||||
1971 | 44.37 | l | 53.96 | 53.97 | 62.37 | 72.87 | 79.37 | 92.30 | a | 94.48 | 81.20 | 68.32 | 54.97 | 42.48 | j | 71.38 | b | |||||||||
1972 | 46.48 | h | 50.80 | i | 63.35 | 62.60 | 76.07 | a | 86.43 | 94.10 | 92.10 | 79.57 | 71.42 | e | 51.52 | i | 39.26 | l | 78.20 | d | ||||||
1973 | 42.95 | j | 53.05 | i | 55.00 | i | 68.29 | i | 80.28 | f | 82.90 | 92.48 | 90.87 | 81.07 | 67.70 | d | 51.14 | h | 45.67 | m | 83.01 | g | ||||
1974 | 43.83 | h | 49.11 | i | 53.91 | h | 59.41 | h | 70.96 | c | 83.07 | 86.00 | 89.97 | a | 89.63 | 72.48 | 55.55 | j | 46.50 | o | 82.02 | f | ||||
1975 | 41.87 | h | 47.26 | i | 49.85 | k | 54.82 | h | 73.12 | g | 81.03 | 87.37 | a | 85.29 | 88.10 | 66.38 | g | 50.84 | k | 44.81 | j | 85.45 | h | |||
1976 | 46.45 | k | 51.68 | j | 55.61 | h | 60.05 | h | 75.43 | j | 78.90 | a | 88.45 | 79.90 | 82.90 | 75.15 | e | 60.38 | i | 50.19 | j | 81.06 | g | |||
1977 | 34.30 | k | 54.68 | i | 52.70 | h | 71.17 | g | 61.71 | c | 85.40 | 90.29 | 91.94 | 79.44 | e | 70.65 | k | 54.05 | i | 48.29 | j | 81.76 | g | |||
1978 | 50.33 | j | 52.32 | i | 61.95 | i | 60.47 | k | 69.87 | h | 81.90 | 89.35 | 86.16 | 72.50 | f | 77.10 | j | 53.76 | i | 41.15 | k | 85.81 | i | |||
1979 | 44.36 | i | 48.79 | i | 60.09 | i | 59.67 | i | 74.20 | f | 83.53 | 89.47 | a | 84.65 | 86.00 | d | 72.14 | i | 51.62 | i | 49.11 | l | 85.91 | h | ||
1980 | 46.05 | i | 54.05 | i | 55.33 | j | 64.32 | h | 70.77 | i | 74.64 | b | 90.32 | 89.42 | 83.19 | c | 74.65 | k | 56.59 | m | 48.14 | j | 84.39 | h | ||
1981 | 46.81 | j | 52.50 | j | 57.82 | i | 67.27 | h | 71.76 | b | 85.50 | 93.45 | 94.42 | 85.33 | 65.36 | i | 55.50 | l | 47.25 | k | 86.09 | g | ||||
1982 | ----- | z | 48.79 | i | 53.68 | i | 59.18 | h | 76.90 | k | 80.00 | c | 87.07 | a | 88.88 | g | 77.09 | g | 66.00 | k | 52.15 | j | 42.10 | k | 83.53 | j |
1983 | 46.71 | j | 48.65 | k | 53.22 | h | 58.62 | i | 73.77 | i | 79.73 | h | 83.63 | l | 86.88 | g | 78.04 | g | 69.75 | k | 49.70 | j | 44.75 | k | ----- | z |
1984 | 44.52 | j | 51.70 | i | 60.38 | j | 57.95 | i | 71.55 | i | 77.60 | j | 94.14 | j | 92.61 | m | 83.16 | k | 62.73 | i | 46.84 | k | 42.55 | k | ----- | z |
1985 | 48.18 | i | 52.79 | i | 54.24 | j | 69.50 | h | 72.86 | i | 85.54 | q | 94.59 | i | 87.17 | h | 74.83 | f | 69.04 | h | 48.71 | m | 47.62 | j | ----- | z |
1986 | 52.14 | j | 54.84 | i | 63.48 | j | 65.29 | i | 71.70 | k | 87.29 | i | 88.91 | i | 96.38 | j | 72.55 | h | 72.17 | h | 58.39 | l | 42.50 | k | ----- | z |
1987 | 45.70 | k | 51.21 | i | 57.05 | i | 75.27 | h | 79.05 | i | 86.64 | h | 87.09 | i | 91.86 | j | 85.95 | i | 81.00 | j | 57.53 | k | 45.85 | k | ----- | z |
1988 | 41.47 | l | 58.52 | h | 61.52 | h | 66.95 | i | 71.40 | k | 79.82 | h | 96.20 | k | 95.17 | h | 87.95 | j | 80.80 | k | 54.32 | k | 45.86 | j | ----- | z |
1989 | 41.60 | k | 48.37 | i | 55.87 | h | 70.40 | j | 70.86 | i | 82.50 | h | 90.75 | k | 86.04 | g | 83.10 | j | 69.38 | j | 56.25 | j | 48.45 | k | ----- | z |
1990 | 46.52 | j | 44.17 | j | 61.68 | i | 71.57 | i | 69.88 | g | 80.05 | i | 91.76 | j | 89.61 | h | 84.39 | l | 72.70 | k | 51.11 | k | 42.25 | k | ----- | z |
1991 | 49.20 | k | 59.26 | i | 51.95 | j | 62.61 | l | 67.24 | j | 77.45 | j | 92.82 | c | 90.10 | 90.33 | 76.50 | g | 56.29 | i | 44.29 | g | 91.08 | i | ||
1992 | 48.00 | j | 58.16 | j | 63.45 | i | 68.48 | i | 82.25 | k | 84.54 | f | 89.71 | j | 95.68 | i | 85.57 | i | 72.71 | j | 54.63 | k | 42.55 | i | ----- | z |
1993 | 38.33 | m | 47.53 | i | 59.71 | j | 60.48 | i | 69.86 | i | 76.13 | g | 83.38 | j | 87.26 | h | 85.40 | j | 71.90 | k | 55.75 | f | 44.78 | h | ----- | z |
1994 | 47.05 | l | 50.17 | j | 63.96 | h | 68.05 | j | 75.11 | l | 81.50 | j | 97.10 | k | 92.59 | i | 87.95 | i | 71.37 | l | 45.50 | j | 46.90 | j | ----- | z |
1995 | 49.25 | k | 60.21 | i | 55.65 | h | 63.50 | j | 70.89 | m | 76.48 | i | 86.25 | k | 88.40 | f | 85.81 | i | 72.41 | i | 62.09 | h | 50.43 | q | ----- | z |
1996 | 43.76 | n | 55.85 | i | 60.64 | i | 63.23 | h | 70.91 | i | 82.10 | a | 93.61 | c | 93.62 | g | 79.92 | f | 68.34 | b | 55.95 | k | 44.79 | l | 81.35 | i |
1997 | 43.76 | j | 52.21 | i | 62.95 | j | 62.67 | i | 79.36 | i | 80.88 | f | 88.41 | i | 88.50 | i | 82.00 | d | 67.82 | i | 55.21 | k | 44.19 | j | 82.00 | k |
1998 | 45.05 | k | 48.16 | i | 57.32 | i | 63.59 | h | 62.25 | k | 80.40 | j | 94.23 | i | 94.95 | j | 87.62 | i | 70.19 | j | 50.62 | i | 43.32 | i | ----- | z |
1999 | 46.74 | l | 46.42 | i | 53.78 | h | 61.64 | h | 72.15 | k | 80.95 | h | 91.48 | j | 88.91 | i | 87.38 | i | 74.80 | k | 59.35 | j | 45.43 | j | ----- | z |
2000 | 46.95 | k | 52.10 | i | 57.74 | h | 69.70 | j | 71.55 | i | 86.45 | h | 89.45 | k | 92.73 | i | 84.90 | j | 70.00 | j | 49.33 | i | 45.00 | k | ----- | z |
2001 | 48.62 | j | 49.42 | i | 62.76 | j | 62.29 | i | 81.86 | i | 82.71 | i | 91.90 | j | 93.61 | h | 84.05 | k | 75.77 | i | 53.95 | i | 45.75 | k | ----- | z |
2002 | 46.48 | j | 56.47 | i | 58.48 | j | 69.41 | h | 71.64 | i | 86.90 | j | 97.14 | j | 91.91 | i | 87.80 | j | 73.82 | i | 57.58 | k | 45.62 | j | ----- | z |
2003 | 48.19 | j | 54.37 | i | 60.14 | j | 57.41 | h | 74.48 | j | 90.19 | i | 97.18 | i | 91.00 | j | 86.95 | i | 76.55 | i | 52.11 | l | 48.14 | j | ----- | z |
2004 | 45.11 | l | 51.84 | j | 65.91 | h | 68.45 | h | 74.05 | j | 86.14 | i | 94.33 | j | 91.18 | i | 83.33 | i | 69.58 | l | 54.90 | j | 46.76 | j | ----- | z |
2005 | 41.65 | k | 56.63 | i | 62.26 | h | 63.10 | i | 71.38 | j | 76.27 | h | 95.35 | k | 93.87 | h | 83.62 | i | 72.21 | l | 53.35 | j | 42.00 | j | ----- | z |
2006 | 43.60 | k | 54.42 | i | 49.74 | h | 63.90 | j | 78.68 | i | 84.73 | h | 96.55 | k | 89.30 | h | 86.45 | j | 71.80 | k | 54.75 | j | 47.70 | k | ----- | z |
2007 | 45.50 | k | 49.79 | i | 62.86 | i | 67.57 | i | 78.55 | i | 84.81 | i | 92.70 | k | 92.52 | h | 83.63 | k | 64.82 | i | 57.95 | j | 44.74 | l | ----- | z |
2008 | 39.57 | j | 50.05 | i | 58.71 | j | 61.92 | f | 73.00 | j | 81.90 | i | 92.86 | i | 92.10 | j | 89.29 | i | 73.95 | i | 54.67 | l | 47.10 | j | ----- | z |
2009 | 51.00 | k | 53.88 | t | 58.05 | i | 66.41 | h | 76.35 | k | 82.43 | i | 95.20 | k | 95.23 | r | 88.88 | n | 65.35 | n | 56.00 | r | 43.00 | m | ----- | z |
2010 | 47.20 | p | 51.43 | n | 56.78 | m | 55.50 | l | 61.81 | o | 78.50 | n | 95.22 | m | 92.06 | m | 84.29 | m | 71.38 | o | 54.00 | q | 45.59 | n | ----- | z |
2011 | 46.93 | p | 50.00 | m | 53.37 | l | 58.67 | l | 67.00 | n | 77.94 | m | 87.06 | o | 92.56 | m | 89.53 | m | 66.33 | p | 55.50 | n | 47.88 | n | ----- | z |
2012 | 49.31 | o | 53.75 | m | 52.28 | m | 61.69 | n | 76.28 | m | 80.53 | m | 91.80 | p | 95.68 | l | 92.00 | o | 74.35 | n | 56.05 | h | 45.17 | h | ----- | z |
2013 | 43.06 | o | 53.27 | m | 62.12 | o | 67.29 | m | 74.28 | m | 82.50 | n | 97.67 | p | 91.00 | n | 82.07 | o | 69.00 | v | 59.57 | p | 38.53 | p | ----- | z |
2014 | 46.56 | o | 54.40 | m | 61.47 | l | 69.17 | l | 78.47 | n | 85.38 | n | 99.56 | m | 92.33 | m | 86.24 | m | 70.22 | m | 55.73 | o | 49.25 | o | ----- | z |
2015 | 52.20 | p | 59.00 | m | 65.35 | n | 68.79 | k | 71.60 | p | 91.35 | m | 94.00 | m | 92.38 | o | 83.50 | n | 77.06 | n | 54.67 | r | 45.94 | m | ----- | z |
2016 | 48.27 | p | 55.87 | n | 59.16 | l | 71.59 | m | 76.88 | o | 88.00 | l | 94.56 | o | 97.06 | m | 84.65 | m | 63.37 | l | 58.44 | l | 41.35 | n | ----- | z |
2017 | 41.27 | p | 51.20 | m | 60.55 | k | 61.00 | l | 80.21 | l | 87.72 | l | 96.21 | q | 96.89 | l | 82.75 | n | 72.44 | o | 56.50 | n | 44.38 | o | ----- | z |
2018 | 50.88 | o | 54.07 | m | 58.78 | m | 67.25 | n | 80.06 | m | 86.94 | m | 99.93 | p | 95.95 | l | 86.00 | o | 71.00 | n | 59.67 | o | 46.64 | t | ----- | z |
2019 | ----- | z | 46.71 | n | 57.59 | n | 68.41 | m | 74.28 | m | 88.12 | m | 92.00 | o | 96.47 | n | 82.13 | o | 67.47 | n | 60.93 | o | 44.64 | q | ----- | z |
2020 | 46.94 | o | 61.27 | n | 64.15 | r | 74.90 | t | 74.93 | p | 89.63 | k | 96.06 | n | 95.08 | s | 91.31 | n | 80.40 | p | 58.25 | r | 45.85 | r | ----- | z |
2021 | 48.60 | u | ----- | z | 60.67 | y | 75.90 | t | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 89.10 | t | 102.33 | s | ----- | z | ----- | z | ----- | z | 54.43 | w | 43.06 | o | ----- | z |
2023 | 51.92 | r | 49.79 | n | 48.94 | m | 64.43 | p | 76.88 | o | 86.56 | n | 97.07 | q | 94.22 | m | 83.62 | n | 72.56 | o | 59.53 | o | 49.67 | p | ----- | z |
2024 | 49.56 | o | 52.60 | n | 58.12 | n | 70.82 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.79 | 50.87 | 57.16 | 64.59 | 73.13 | 81.80 | 91.48 | 89.97 | 84.04 | 70.59 | 54.49 | 43.67 | 67.12 | |||||||||||||
S.D. | 4.15 | 4.23 | 3.67 | 5.10 | 4.61 | 4.09 | 2.60 | 3.90 | 3.67 | 4.11 | 3.84 | 3.34 | 1.41 | |||||||||||||
SKEW | -0.98 | -0.48 | -0.25 | -0.24 | -0.48 | -0.11 | -0.30 | -0.26 | -0.23 | 0.01 | 0.61 | -1.05 | 0.06 | |||||||||||||
MAX | 49.68 | 57.86 | 63.35 | 72.60 | 80.61 | 90.80 | 96.16 | 97.35 | 90.77 | 78.39 | 62.43 | 49.39 | 70.57 | |||||||||||||
MIN | 29.90 | 40.54 | 48.29 | 53.00 | 61.71 | 72.72 | 86.00 | 79.90 | 75.73 | 60.79 | 47.69 | 32.77 | 64.04 | |||||||||||||
YRS | 34 | 36 | 36 | 36 | 39 | 48 | 49 | 47 | 47 | 39 | 32 | 35 | 27 |