YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1935 | ----- | z | ----- | z | ----- | z | ----- | z | 74.40 | p | 86.07 | 91.19 | 93.42 | 88.50 | 66.45 | 45.53 | 43.16 | 73.48 | e | |||||||
1936 | 44.39 | 45.24 | 57.39 | 69.27 | 77.26 | 83.93 | 94.84 | 92.23 | 79.07 | a | 69.90 | 56.67 | 42.19 | 67.70 | ||||||||||||
1937 | 21.68 | c | 36.79 | 52.10 | 59.66 | a | 78.06 | 81.97 | 95.65 | 92.48 | 85.77 | 72.65 | 55.47 | 45.16 | 64.78 | |||||||||||
1938 | 42.35 | 44.18 | 49.00 | 63.20 | 70.94 | 82.67 | 89.77 | 90.19 | 84.83 | 67.32 | 44.93 | 46.52 | 64.66 | |||||||||||||
1939 | 43.61 | 39.29 | 58.26 | 71.60 | 76.23 | 82.13 | 94.06 | 94.39 | 80.83 | 66.29 | 59.13 | 50.55 | 68.03 | |||||||||||||
1940 | 40.43 | a | 47.46 | e | 54.77 | r | 64.17 | 80.06 | 89.47 | 91.61 | 94.97 | 77.87 | 70.28 | b | 48.83 | ----- | z | 70.51 | b | |||||||
1941 | 43.61 | 50.07 | 58.81 | 58.77 | 73.10 | 78.40 | 93.10 | 86.52 | 74.83 | 64.42 | 55.23 | 45.13 | 65.17 | |||||||||||||
1942 | 32.55 | 42.00 | 53.19 | 62.80 | 66.10 | 78.93 | 94.97 | 91.74 | 81.52 | a | 70.19 | 54.34 | a | 42.90 | a | 64.27 | ||||||||||
1943 | 41.61 | 51.46 | 55.26 | 68.73 | 71.10 | 76.27 | 92.71 | 90.00 | 88.47 | 67.06 | 55.03 | 42.97 | 66.72 | |||||||||||||
1944 | 37.61 | 43.72 | 51.81 | 58.97 | 72.71 | 74.30 | 90.61 | 89.94 | 83.48 | a | 73.45 | 52.97 | 45.87 | 64.62 | ||||||||||||
1945 | 41.65 | 46.68 | 51.10 | 61.10 | 71.26 | 77.53 | 94.90 | 90.52 | 79.70 | 69.81 | 51.10 | 41.87 | 64.77 | |||||||||||||
1946 | 44.47 | a | 49.36 | 55.55 | 68.60 | 73.00 | 83.67 | 92.87 | 93.84 | 79.57 | 58.55 | 48.50 | 44.81 | 66.06 | ||||||||||||
1947 | 40.83 | a | 55.39 | 59.77 | 65.47 | 80.81 | 80.27 | 91.32 | 89.52 | 82.76 | a | 68.94 | 47.82 | h | 44.03 | 69.01 | a | |||||||||
1948 | 51.53 | a | 46.55 | 48.87 | a | 60.26 | c | 70.57 | c | 79.40 | 89.87 | 87.97 | 81.63 | 69.65 | 50.07 | 39.00 | 64.61 | |||||||||
1949 | 26.70 | k | 39.81 | a | 53.97 | a | 73.57 | 72.52 | 83.57 | 93.06 | 90.29 | 84.67 | 67.13 | 64.07 | 44.42 | 69.73 | a | |||||||||
1950 | 41.06 | 53.93 | 54.90 | 67.77 | 74.03 | 83.03 | 93.73 | a | 92.77 | 79.40 | 73.00 | 59.07 | 47.35 | 68.34 | ||||||||||||
1951 | 44.35 | 48.54 | 54.68 | 68.77 | 73.71 | 83.53 | 93.97 | 89.90 | 86.37 | 67.03 | 52.63 | 37.83 | a | 66.78 | ||||||||||||
1952 | 38.87 | 47.45 | 46.10 | b | 67.27 | 75.42 | 78.63 | 92.10 | 91.81 | 83.63 | 78.35 | 53.00 | a | 43.97 | 66.38 | |||||||||||
1953 | 52.16 | 52.14 | 59.03 | 64.47 | 65.39 | 79.10 | a | 96.47 | a | 88.90 | 88.67 | 69.68 | 58.33 | 44.10 | 68.20 | |||||||||||
1954 | 47.74 | 57.75 | 53.77 | 71.20 | 81.90 | 81.87 | 95.35 | 88.39 | 84.04 | c | 71.93 | a | 59.37 | 43.77 | 69.76 | |||||||||||
1955 | 34.87 | 43.50 | 55.23 | a | 61.03 | a | 73.19 | 85.10 | 90.52 | 95.52 | 83.10 | a | 73.71 | 50.97 | 45.06 | 65.98 | ||||||||||
1956 | 44.39 | 43.48 | 61.03 | 69.37 | 76.16 | 88.33 | 94.26 | 90.84 | 86.77 | 68.52 | b | 58.47 | 50.52 | 69.34 | ||||||||||||
1957 | 39.29 | 55.37 | a | 57.94 | 65.59 | a | 70.48 | 88.93 | 96.06 | 92.65 | 87.87 | 66.74 | 50.93 | 50.50 | a | 68.53 | ||||||||||
1958 | 48.29 | 56.89 | a | 52.29 | 64.62 | a | 83.68 | 84.73 | 93.48 | 96.68 | 86.00 | 76.71 | 59.43 | 55.73 | a | 71.54 | ||||||||||
1959 | 50.97 | 49.54 | 62.57 | a | 73.47 | 70.97 | 89.73 | 98.23 | 92.77 | 79.17 | 72.52 | 61.00 | 47.48 | 70.70 | ||||||||||||
1960 | 40.74 | 47.79 | 64.23 | 68.87 | 75.48 | 92.00 | 97.74 | 93.63 | a | 87.63 | 71.45 | 56.75 | b | 48.90 | 70.44 | |||||||||||
1961 | 53.48 | 54.46 | 58.07 | b | 67.10 | a | 74.84 | 92.50 | 96.97 | 93.23 | 78.48 | a | 70.74 | 52.67 | 46.45 | 69.92 | ||||||||||
1962 | 39.77 | 43.68 | 53.61 | 74.07 | 71.61 | 85.67 | 92.87 | 91.29 | 86.10 | 73.65 | 60.97 | a | 50.58 | 68.66 | ||||||||||||
1963 | 44.87 | 59.86 | 55.97 | 59.77 | 75.35 | 78.63 | 91.06 | 91.81 | 84.83 | 75.03 | 55.03 | 48.00 | 68.35 | |||||||||||||
1964 | 43.68 | 49.69 | 55.55 | 63.53 | 72.67 | a | 77.38 | a | 94.48 | 91.74 | 80.93 | a | 77.52 | 50.39 | b | 46.60 | a | 67.01 | ||||||||
1965 | 43.87 | 54.19 | b | 58.13 | a | 63.90 | 70.32 | 81.07 | 91.97 | 86.97 | a | 77.30 | 77.27 | a | 56.00 | 44.71 | 67.14 | |||||||||
1966 | 46.29 | 46.18 | 61.45 | 71.41 | a | 82.57 | a | 85.33 | 93.03 | 94.58 | 85.33 | 73.19 | 58.21 | a | 42.81 | 70.03 | ||||||||||
1967 | 45.90 | 55.18 | 56.48 | 53.60 | 76.77 | 79.70 | 95.90 | 97.63 | a | 86.40 | 74.42 | 60.63 | 41.65 | 68.69 | ||||||||||||
1968 | 46.55 | 55.41 | 60.97 | 64.00 | 75.23 | 87.10 | 96.74 | 83.52 | 83.30 | 70.77 | 50.13 | 41.55 | 67.94 | |||||||||||||
1969 | 45.97 | 43.18 | 54.10 | 66.93 | 80.90 | 80.03 | 94.29 | 95.74 | 86.10 | 61.45 | 55.79 | a | 45.23 | 67.48 | ||||||||||||
1970 | 43.52 | 55.96 | 55.42 | 57.63 | 76.16 | 83.60 | 94.52 | 95.10 | 80.27 | 66.48 | 55.27 | 40.68 | 67.05 | |||||||||||||
1971 | 47.39 | 52.39 | 56.97 | 63.37 | 69.65 | 81.70 | 95.23 | 96.19 | 79.70 | 64.81 | 52.80 | 37.77 | 66.50 | |||||||||||||
1972 | 37.81 | 52.69 | 64.74 | 64.69 | a | 78.48 | 85.37 | 95.48 | 93.13 | 80.07 | 67.93 | a | 49.72 | a | 37.19 | 67.28 | ||||||||||
1973 | 38.87 | 48.89 | 52.68 | 63.80 | 79.19 | 87.40 | 95.00 | 91.68 | 81.83 | 69.90 | 52.07 | 49.19 | 67.54 | |||||||||||||
1974 | 41.10 | 50.82 | 59.58 | 63.13 | 77.42 | 92.41 | a | 93.39 | 92.42 | 87.53 | 70.52 | 56.37 | 42.48 | 68.93 | ||||||||||||
1975 | 43.57 | a | 46.21 | 52.97 | 54.57 | 73.39 | 82.30 | 94.97 | 88.29 | 86.20 | 67.90 | 53.43 | 49.65 | 66.12 | ||||||||||||
1976 | 47.26 | 52.32 | a | 56.55 | 63.38 | a | 79.26 | 81.70 | 93.39 | 82.68 | 80.77 | 70.13 | 62.07 | a | 49.13 | 68.22 | ||||||||||
1977 | 41.65 | 56.07 | 55.26 | 71.17 | 65.42 | 89.30 | 93.57 | a | 92.90 | 82.47 | 73.65 | 58.53 | 50.32 | 69.19 | ||||||||||||
1978 | 46.16 | 50.57 | 61.74 | 60.13 | 70.97 | 83.53 | 94.00 | 91.77 | 76.83 | 76.19 | 50.79 | a | 39.16 | 66.82 | ||||||||||||
1979 | 38.33 | a | 48.25 | 58.81 | 65.10 | 77.68 | 87.80 | 93.42 | 88.52 | 88.27 | 74.03 | 50.50 | 48.65 | 68.28 | ||||||||||||
1980 | 43.00 | 53.41 | 54.16 | 68.60 | 71.97 | 80.20 | 93.58 | 90.90 | 83.60 | 73.16 | 56.97 | 50.90 | 68.37 | |||||||||||||
1981 | 50.10 | 55.07 | 57.42 | 69.90 | 73.32 | 88.80 | 95.61 | 96.61 | 86.45 | a | 64.87 | 56.37 | 50.58 | 70.43 | ||||||||||||
1982 | 36.40 | a | 50.26 | a | 53.45 | 63.45 | a | 76.29 | 82.28 | a | 90.68 | 93.32 | 78.33 | 65.68 | 49.63 | 42.87 | 65.22 | |||||||||
1983 | 47.35 | 52.00 | a | 54.37 | a | 58.67 | 74.03 | 82.27 | 89.19 | 89.23 | 83.70 | 70.61 | 52.31 | a | 43.20 | a | 66.41 | |||||||||
1984 | 34.00 | a | 47.41 | 58.74 | 61.62 | a | 76.96 | c | 82.48 | c | 95.43 | c | 94.00 | b | 85.46 | b | 61.72 | b | 52.20 | 41.39 | 65.95 | |||||
1985 | 35.63 | a | 46.37 | a | 53.76 | b | 72.42 | d | 77.52 | b | 90.62 | a | 97.33 | a | 91.68 | c | 75.66 | a | 68.80 | a | 48.33 | 40.85 | e | 66.58 | ||
1986 | 50.29 | j | 53.14 | f | 63.71 | g | 65.69 | a | 76.84 | 90.67 | 91.52 | 96.94 | 74.72 | a | 71.33 | a | 58.17 | 49.06 | 74.99 | c | ||||||
1987 | 41.20 | a | 50.29 | 55.65 | 75.79 | b | 76.03 | 87.03 | a | 90.13 | 95.06 | 89.13 | 77.68 | 57.00 | i | 43.94 | 71.08 | a | ||||||||
1988 | 38.32 | 51.52 | 59.93 | a | 67.56 | c | 73.86 | c | 87.03 | a | 98.13 | 96.06 | 83.45 | a | 80.42 | 52.93 | 41.65 | 69.24 | ||||||||
1989 | 37.00 | a | 41.46 | 59.40 | a | 72.28 | a | 73.33 | a | 86.53 | 96.68 | 89.23 | a | 82.82 | b | 68.61 | 60.24 | m | 48.97 | 68.76 | a | |||||
1990 | 45.71 | 44.96 | b | 61.16 | 71.30 | 72.80 | a | 85.47 | 95.52 | 92.47 | a | 87.17 | 73.11 | c | 59.06 | l | 32.93 | d | 69.33 | a | ||||||
1991 | 38.83 | a | 58.93 | 52.35 | 62.43 | 68.54 | c | 82.53 | 97.10 | 93.45 | 86.79 | a | 73.23 | 55.07 | a | 44.77 | a | 67.84 | ||||||||
1992 | 44.90 | 55.38 | 62.19 | 73.97 | 85.81 | 86.43 | 92.55 | 94.45 | 85.77 | 68.93 | p | 52.17 | 39.13 | 70.25 | a | |||||||||||
1993 | 33.32 | 40.39 | 61.63 | a | 65.45 | a | 79.81 | 80.17 | 89.21 | b | 91.43 | h | 85.77 | 70.23 | a | 55.17 | l | 43.48 | 64.95 | b | ||||||
1994 | 49.65 | 49.32 | 64.71 | 68.80 | 77.74 | 90.48 | a | 98.65 | 96.03 | 86.70 | 69.03 | 44.00 | 41.87 | 69.75 | ||||||||||||
1995 | 45.71 | 62.29 | 56.45 | 64.13 | 70.16 | 80.38 | a | 93.27 | a | 94.94 | 88.86 | a | 74.90 | ----- | z | ----- | z | 73.11 | b | |||||||
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 97.69 | r | 94.06 | 81.53 | 69.97 | 56.17 | 46.00 | d | 69.55 | g | ||||
1997 | 43.03 | b | 48.50 | 62.23 | 61.63 | 80.58 | 81.83 | 90.87 | 93.90 | 83.17 | 68.00 | 57.04 | c | 42.81 | e | 67.80 | ||||||||||
1998 | 47.28 | f | 46.81 | b | 55.16 | 60.53 | 64.17 | a | 77.67 | 96.13 | 96.00 | 79.37 | 64.16 | 51.18 | h | 41.25 | g | 71.11 | c | |||||||
1999 | 46.74 | 50.57 | 58.23 | a | 61.08 | d | 72.00 | c | 82.74 | c | 93.68 | 90.06 | 84.13 | 74.26 | 62.84 | e | 47.04 | f | 70.58 | a | ||||||
2000 | 47.16 | 51.79 | 59.13 | 69.93 | 75.77 | 89.00 | 93.87 | 93.84 | 81.54 | f | 67.68 | 46.20 | 48.10 | 67.50 | a | |||||||||||
2001 | 41.13 | 46.82 | 63.16 | 64.40 | 83.39 | 87.70 | 93.84 | 96.68 | 87.80 | e | 75.26 | 57.22 | g | 43.39 | h | 74.02 | b | |||||||||
2002 | 46.39 | 52.61 | 57.33 | a | 68.50 | 76.61 | 88.87 | 98.29 | 93.03 | 84.46 | f | 67.36 | i | 55.63 | c | 47.88 | e | 68.51 | b | |||||||
2003 | 55.77 | 49.29 | 61.74 | 60.60 | 77.04 | c | 91.17 | l | 101.00 | f | 93.23 | ----- | z | 78.48 | 49.37 | 44.84 | 63.37 | c | ||||||||
2004 | 42.19 | 45.50 | e | 68.10 | 69.57 | 77.55 | 87.83 | 96.58 | 92.74 | ----- | z | 50.50 | q | 51.20 | 42.48 | 67.37 | b | |||||||||
2005 | 33.65 | 42.79 | 60.23 | 63.20 | 73.10 | 82.07 | ----- | z | 96.97 | 82.00 | ----- | z | 58.23 | h | 37.21 | l | 66.75 | d | ||||||||
2006 | 41.39 | 50.32 | 48.32 | l | 61.87 | 78.77 | ----- | z | ----- | z | ----- | z | 82.30 | 71.94 | 56.20 | 43.55 | 60.79 | d | ||||||||
2007 | 41.94 | 53.64 | 66.16 | 67.37 | 79.00 | 88.53 | 99.52 | 86.35 | 68.67 | 67.06 | 63.70 | 42.77 | 68.73 | |||||||||||||
2008 | 36.35 | 51.24 | 59.77 | 64.57 | 69.32 | 88.37 | 97.29 | 97.65 | 86.60 | 73.61 | 61.80 | 41.55 | 69.01 | |||||||||||||
2009 | 48.27 | a | 51.43 | 58.10 | 64.97 | 82.35 | 83.03 | 96.03 | 92.07 | a | 89.13 | 71.90 | 61.63 | 36.77 | 69.64 | |||||||||||
2010 | 42.68 | 52.72 | j | 59.04 | f | 64.37 | 67.21 | c | 81.83 | 98.58 | 87.55 | 85.07 | 68.33 | a | 48.30 | 41.87 | a | 68.58 | b | |||||||
2011 | 43.23 | 47.39 | 54.39 | 61.50 | 69.06 | 83.00 | 95.55 | 92.33 | a | 87.53 | 70.23 | 49.73 | 45.10 | 66.59 | ||||||||||||
2012 | 47.39 | 50.03 | 59.26 | 67.83 | 80.35 | 87.10 | 96.42 | 95.81 | 85.07 | 71.61 | 57.13 | 41.87 | 69.99 | |||||||||||||
2013 | 33.47 | a | 49.86 | 62.45 | 68.97 | 76.13 | 87.90 | 100.29 | 93.19 | 81.93 | 65.97 | 55.63 | 36.81 | 67.72 | ||||||||||||
2014 | 51.16 | 53.79 | 59.52 | 69.60 | 77.97 | 89.70 | 99.19 | 91.35 | 84.37 | 74.48 | 53.73 | 46.97 | 70.99 | |||||||||||||
2015 | 50.26 | 56.61 | 66.06 | 66.03 | 72.77 | 92.10 | 92.16 | 93.35 | 85.33 | 72.35 | 48.77 | 42.81 | 69.88 | |||||||||||||
2016 | 42.00 | 56.17 | 63.55 | 69.20 | 74.52 | 92.77 | 97.52 | 95.74 | 82.93 | 66.90 | 57.77 | 40.10 | 69.93 | |||||||||||||
2017 | 38.45 | 49.75 | 61.13 | 62.97 | 75.90 | 87.67 | 99.61 | 95.03 | 81.47 | 69.42 | 55.93 | 46.23 | 68.63 | |||||||||||||
2018 | 52.35 | 48.14 | 55.61 | 66.53 | 75.13 | 87.00 | 100.10 | 95.84 | 85.70 | 67.58 | 53.93 | 42.45 | 69.20 | |||||||||||||
2019 | 46.77 | 43.14 | 53.45 | 66.27 | 68.55 | 84.03 | 94.23 | 96.16 | 80.03 | 62.77 | 57.57 | 44.23 | 66.43 | |||||||||||||
2020 | 49.16 | 54.21 | 57.52 | 67.93 | 77.06 | 84.03 | 97.10 | 97.61 | 88.43 | 75.06 | 54.97 | 45.23 | 70.69 | |||||||||||||
2021 | 46.58 | 49.04 | 55.81 | 68.07 | 75.84 | 94.83 | 101.19 | 93.45 | 93.71 | w | 61.81 | o | 59.23 | 43.16 | 68.72 | b | ||||||||||
2022 | 48.19 | 52.00 | 60.19 | 64.57 | 72.13 | 85.77 | 98.26 | 97.65 | 87.38 | a | 74.55 | 47.93 | 41.68 | 69.19 | ||||||||||||
2023 | 40.68 | 47.29 | 48.87 | 65.47 | 78.35 | 81.73 | 99.06 | 97.68 | 78.41 | a | 61.07 | d | 56.37 | 49.23 | 67.02 | |||||||||||
2024 | ----- | z | 48.93 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.93 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.13 | 49.73 | 57.45 | 65.63 | 74.92 | 84.61 | 94.74 | 92.70 | 83.35 | 70.40 | 54.50 | 44.41 | 67.88 | |||||||||||||
S.D. | 5.56 | 4.95 | 4.30 | 4.45 | 4.38 | 4.34 | 2.80 | 3.18 | 3.94 | 4.30 | 4.55 | 3.97 | 1.80 | |||||||||||||
SKEW | -0.61 | -0.12 | 0.01 | -0.10 | -0.09 | 0.07 | 0.09 | -0.68 | -0.86 | -0.19 | -0.07 | -0.01 | -0.15 | |||||||||||||
MAX | 55.77 | 62.29 | 68.10 | 75.79 | 85.81 | 94.83 | 101.19 | 97.68 | 89.13 | 80.42 | 64.07 | 55.73 | 71.54 | |||||||||||||
MIN | 21.68 | 36.79 | 46.10 | 53.60 | 64.17 | 74.30 | 89.19 | 82.68 | 68.67 | 58.55 | 44.00 | 32.93 | 64.27 | |||||||||||||
YRS | 84 | 86 | 83 | 87 | 87 | 86 | 85 | 87 | 84 | 84 | 80 | 83 | 66 |