YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | 62.03 | 68.93 | 72.24 | b | 80.73 | 95.16 | 87.61 | 72.00 | b | 62.06 | ----- | z | 40.00 | 71.20 | c | |||||||
1942 | ----- | z | 42.50 | 55.61 | 67.47 | 71.03 | a | 79.03 | 92.81 | 94.16 | 83.73 | ----- | z | 41.90 | 34.06 | 66.23 | b | |||||||||
1943 | 27.65 | 41.14 | 52.26 | 67.03 | 69.45 | 77.40 | 92.70 | a | 86.84 | 85.40 | 64.29 | 43.92 | e | 38.19 | 62.19 | |||||||||||
1944 | 34.74 | 42.14 | a | 52.33 | a | 64.23 | 75.87 | a | 82.43 | 91.61 | 89.89 | l | 83.17 | 72.26 | 43.34 | a | 35.89 | m | 64.21 | b | ||||||
1945 | ----- | z | ----- | z | 51.65 | 63.03 | 76.42 | 81.20 | 94.00 | 92.45 | ----- | z | 69.63 | a | 45.03 | a | 36.97 | b | 67.82 | c | ||||||
1946 | 38.33 | a | 43.68 | 55.17 | a | 65.47 | 78.03 | 78.43 | 90.06 | 90.29 | 75.97 | 59.77 | 41.38 | a | 37.81 | 62.87 | ||||||||||
1947 | 33.87 | 50.86 | 60.71 | 68.20 | 80.67 | a | 78.45 | a | 88.43 | a | 86.33 | a | 78.39 | b | 61.40 | a | 47.24 | a | 36.17 | a | 64.23 | |||||
1948 | 36.00 | d | 38.56 | b | 51.29 | 58.17 | 67.69 | b | 82.71 | b | 85.67 | a | 84.32 | 76.73 | 62.81 | 45.87 | 26.87 | 59.72 | ||||||||
1949 | 18.03 | 34.14 | 52.68 | 67.93 | 79.10 | 81.10 | 88.14 | b | 86.35 | 79.30 | 60.27 | a | 53.30 | 39.42 | 61.65 | |||||||||||
1950 | 17.39 | 35.39 | 49.97 | 59.07 | 70.86 | b | 76.50 | 88.72 | b | 89.31 | b | 81.17 | a | 58.00 | 44.67 | 37.48 | 59.04 | |||||||||
1951 | 36.10 | 41.54 | b | 46.29 | 66.93 | 72.77 | 79.93 | a | 89.32 | 86.03 | 78.72 | a | 61.22 | d | 44.43 | 29.39 | 61.06 | |||||||||
1952 | 26.06 | 38.28 | 51.35 | 67.70 | 74.10 | 77.70 | 89.77 | 87.03 | 82.77 | 72.55 | 42.43 | 36.61 | 62.20 | |||||||||||||
1953 | 44.84 | 48.29 | 55.42 | 59.60 | 68.52 | 72.17 | 86.94 | 85.52 | 79.48 | a | 67.10 | 50.23 | 43.13 | 63.44 | ||||||||||||
1954 | 32.68 | 41.82 | 50.35 | 60.60 | 74.35 | 74.63 | 85.90 | 81.10 | 75.24 | a | 62.03 | 51.07 | a | 37.00 | 60.57 | |||||||||||
1955 | 32.10 | 39.71 | 46.71 | 56.93 | 66.61 | 80.20 | 83.48 | 87.81 | 77.67 | 63.81 | 34.47 | 30.00 | a | 58.29 | ||||||||||||
1956 | 32.71 | 30.17 | 47.77 | 68.43 | 75.77 | 75.30 | 88.77 | 86.07 | a | 81.03 | 60.37 | a | 36.37 | 37.58 | 60.03 | |||||||||||
1957 | 20.55 | 37.56 | a | 48.77 | 64.40 | 76.57 | a | 81.20 | 86.00 | 82.07 | a | 81.40 | 58.32 | 47.53 | 41.55 | 60.49 | ||||||||||
1958 | 39.32 | 50.18 | 50.26 | 60.83 | 80.61 | 84.57 | 91.97 | 91.71 | 75.60 | 65.55 | 45.53 | 36.90 | 64.42 | |||||||||||||
1959 | 35.57 | a | 36.36 | 54.06 | 65.03 | 66.90 | 77.27 | 89.07 | a | 82.52 | 70.41 | a | 60.39 | 42.43 | 37.61 | 59.80 | ||||||||||
1960 | 29.26 | 44.17 | 54.06 | 62.23 | 67.58 | 80.40 | 93.03 | 81.97 | 78.63 | 64.81 | 48.60 | 35.48 | 61.69 | |||||||||||||
1961 | 39.59 | b | 49.50 | 52.45 | 61.70 | 73.03 | 86.67 | 89.67 | y | 93.21 | b | 74.83 | a | 61.53 | a | 44.03 | 36.48 | 61.18 | a | |||||||
1962 | 34.29 | 43.29 | 51.48 | 68.38 | a | 68.03 | 83.41 | h | 87.43 | a | 83.10 | 80.47 | 63.05 | j | 49.30 | 40.87 | 60.66 | b | ||||||||
1963 | 33.23 | 46.86 | 56.55 | 59.63 | 73.06 | 80.03 | 83.61 | 87.65 | 83.53 | 66.52 | 48.40 | 33.35 | 62.70 | |||||||||||||
1964 | 37.23 | 44.31 | 52.94 | 62.17 | 71.16 | 78.57 | 87.50 | a | 81.55 | 74.87 | 65.97 | 42.83 | 34.67 | m | 63.55 | a | ||||||||||
1965 | 37.89 | m | 44.39 | 54.61 | 66.33 | 71.68 | 81.53 | 88.06 | 84.87 | ----- | z | 67.94 | 48.00 | 36.70 | a | 64.41 | b | |||||||||
1966 | 34.33 | a | 42.32 | 53.60 | a | 64.23 | 73.61 | 74.90 | 82.10 | 83.93 | a | 78.76 | a | 61.28 | b | 50.31 | a | 41.23 | a | 61.72 | ||||||
1967 | 43.58 | 52.29 | 53.39 | 58.17 | 70.58 | 82.47 | 87.61 | 91.52 | 82.47 | 62.35 | 48.70 | 35.52 | 64.05 | |||||||||||||
1968 | 38.35 | 47.83 | 57.84 | 62.00 | 71.07 | a | 77.60 | 88.03 | 79.74 | 75.70 | 58.29 | 46.03 | 32.74 | 61.27 | ||||||||||||
1969 | 21.74 | 34.50 | 54.13 | 62.40 | 76.94 | 83.87 | 85.23 | 84.42 | 75.21 | a | 60.35 | 46.27 | 35.71 | 60.06 | ||||||||||||
1970 | 32.81 | 45.14 | 53.87 | 59.43 | 74.87 | a | 86.10 | 88.87 | 87.32 | 72.97 | 62.48 | 45.27 | 33.58 | 61.89 | ||||||||||||
1971 | 35.81 | 46.29 | 49.23 | 63.83 | 76.26 | 75.57 | 88.77 | 91.35 | 73.10 | 62.00 | 47.33 | 31.71 | 61.77 | |||||||||||||
1972 | 34.29 | 42.45 | 57.23 | 60.23 | 76.06 | 81.93 | a | 86.23 | 87.39 | 72.97 | 64.77 | 45.50 | 34.10 | 61.93 | ||||||||||||
1973 | 33.45 | 43.52 | a | 58.13 | 67.40 | 76.58 | 80.31 | a | 89.13 | 86.32 | 78.03 | 63.42 | 40.33 | 42.13 | 63.23 | |||||||||||
1974 | 35.32 | 49.14 | 55.23 | 63.23 | 68.94 | 84.47 | 85.06 | 88.16 | 81.70 | 66.43 | a | 47.79 | a | 40.41 | b | 63.82 | ||||||||||
1975 | 34.87 | 38.54 | 50.94 | 61.30 | 72.90 | a | 79.03 | 91.06 | 81.58 | 81.60 | 61.93 | a | 47.80 | 40.57 | a | 61.84 | ||||||||||
1976 | 36.74 | 45.31 | 52.74 | 62.73 | 74.24 | b | 77.47 | 85.35 | 82.45 | 82.23 | 64.03 | b | 50.63 | 38.38 | b | 62.69 | ||||||||||
1977 | 31.64 | c | 50.11 | 55.33 | a | 71.23 | 69.68 | 84.73 | 84.74 | 89.32 | c | 72.66 | a | 64.43 | c | 45.27 | 37.74 | 63.07 | ||||||||
1978 | 36.52 | 42.43 | 56.83 | a | 63.10 | a | 70.90 | 82.79 | a | 87.55 | 84.07 | a | 73.97 | 65.42 | 40.76 | a | 34.50 | a | 61.57 | |||||||
1979 | 24.00 | a | 38.41 | a | 57.81 | 64.03 | 75.45 | 82.47 | 88.06 | 87.29 | 81.59 | a | 68.70 | a | 40.33 | 40.43 | a | 62.38 | ||||||||
1980 | 27.77 | 38.41 | 55.23 | 68.00 | 72.03 | a | 75.43 | 87.19 | 82.68 | 77.77 | 64.03 | 46.07 | 38.00 | 61.05 | ||||||||||||
1981 | 43.00 | a | 45.18 | 59.77 | 64.20 | 71.90 | 76.80 | 85.00 | a | 90.00 | a | 77.69 | a | 61.74 | 51.23 | 37.85 | e | 63.70 | ||||||||
1982 | ----- | z | 45.08 | c | 55.37 | a | 60.67 | f | 71.56 | f | 83.04 | d | 84.53 | a | 87.31 | e | 76.68 | e | 61.18 | c | 42.17 | a | 35.50 | a | 63.43 | c |
1983 | 40.60 | a | 45.81 | b | 55.86 | b | 64.29 | b | 77.15 | d | 78.48 | c | 83.82 | c | 86.81 | e | 75.92 | f | 64.21 | c | 48.04 | e | 26.57 | a | 61.06 | a |
1984 | 38.13 | a | 44.74 | b | 57.63 | a | 61.39 | b | 67.04 | d | 75.96 | e | 91.00 | l | 87.10 | 74.27 | 60.93 | b | 44.48 | c | 26.70 | d | 58.03 | a | ||
1985 | 28.81 | 32.96 | 52.06 | 67.47 | 76.45 | 81.87 | 94.35 | 82.57 | a | 71.10 | a | 62.39 | 31.87 | 24.52 | 58.87 | |||||||||||
1986 | 36.93 | a | 41.78 | a | 58.45 | 63.03 | 73.10 | 84.70 | 82.81 | 90.93 | a | 71.57 | 67.32 | 48.10 | 33.77 | 62.71 | ||||||||||
1987 | 31.37 | a | 44.57 | 56.32 | 67.07 | 74.39 | 79.73 | 82.52 | 84.45 | 81.13 | 67.65 | 51.40 | 33.90 | 62.87 | ||||||||||||
1988 | 33.20 | a | 46.85 | b | 56.35 | 66.17 | 69.23 | 75.53 | 84.71 | 84.77 | 75.57 | 69.84 | 48.70 | 35.23 | a | 62.18 | ||||||||||
1989 | 39.53 | a | 33.67 | g | 49.40 | a | 66.69 | a | 70.35 | 80.57 | 85.90 | b | 82.30 | a | 79.67 | 61.72 | b | 49.37 | 35.68 | 63.74 | a | |||||
1990 | 44.29 | 43.43 | 58.00 | 67.83 | 69.42 | 78.81 | d | 90.31 | e | 85.37 | d | 84.33 | 59.47 | a | 52.50 | 30.61 | 63.70 | |||||||||
1991 | 33.87 | a | 51.44 | c | 51.61 | c | 64.25 | b | 68.47 | a | 73.20 | 85.53 | a | 86.40 | a | 81.00 | b | 61.93 | a | 43.53 | 42.40 | a | 61.97 | |||
1992 | 39.41 | d | 47.15 | b | 61.27 | a | 64.40 | 76.24 | b | 84.38 | a | 83.50 | a | 85.17 | a | 74.28 | e | 62.50 | c | 43.93 | b | 29.79 | c | 62.67 | ||
1993 | 27.46 | c | 34.35 | b | 48.04 | c | 59.13 | 80.18 | c | 76.00 | d | 78.43 | a | 81.58 | 79.07 | c | 66.00 | e | 43.76 | e | 35.77 | a | 59.15 | |||
1994 | 42.04 | e | 40.58 | d | 59.52 | d | 66.00 | g | 73.83 | h | 76.96 | c | 89.31 | e | 83.65 | e | 80.17 | f | 61.67 | g | 44.08 | f | 36.96 | g | 65.34 | f |
1995 | 37.11 | c | 49.00 | a | 53.97 | a | 61.64 | e | 73.82 | c | 78.61 | g | 84.76 | f | 80.13 | h | 79.15 | d | 59.60 | k | 49.17 | g | 34.08 | f | 59.11 | f |
1996 | 29.14 | c | 37.37 | b | 51.67 | g | 64.00 | g | 66.48 | d | 77.38 | d | 88.11 | d | 85.72 | f | 73.00 | e | 59.79 | g | 42.62 | d | 29.56 | d | 55.46 | d |
1997 | 32.76 | b | 38.69 | b | 51.27 | a | 60.19 | c | 72.20 | a | 74.46 | b | 82.96 | c | 85.10 | b | 75.03 | a | 59.86 | c | 47.14 | a | 37.33 | d | 59.75 | |
1998 | 35.41 | d | 46.79 | d | 55.33 | a | 63.19 | d | 72.08 | g | 78.37 | c | 90.24 | b | 87.50 | a | 81.00 | 61.58 | 50.10 | 36.37 | a | 62.35 | a | |||
1999 | 41.39 | 47.73 | b | 54.77 | 63.17 | a | 67.21 | c | 77.14 | a | 84.11 | d | 86.89 | c | 77.33 | 62.96 | f | 50.17 | a | 41.84 | 62.89 | a | ||||
2000 | 34.52 | 42.24 | 53.37 | a | 67.10 | a | 70.73 | a | 80.07 | 86.59 | b | 86.13 | 75.23 | 63.00 | c | 38.70 | c | 31.53 | a | 60.77 | ||||||
2001 | 35.23 | 39.42 | b | 56.38 | b | 60.92 | d | 75.17 | b | 76.46 | b | 86.45 | b | 88.90 | b | 81.33 | c | 62.33 | a | 49.57 | 37.90 | 62.51 | ||||
2002 | 41.32 | 44.32 | 51.96 | f | 62.70 | 68.58 | 80.79 | a | 89.41 | b | 86.13 | 78.75 | b | 63.71 | 49.11 | b | 39.86 | c | 64.06 | a | ||||||
2003 | 39.87 | 48.67 | a | 57.81 | 61.62 | a | 69.34 | b | 82.17 | a | 89.70 | a | 87.11 | d | 79.52 | a | 69.13 | 45.20 | 35.00 | 63.76 | ||||||
2004 | 32.39 | 42.38 | 60.87 | a | 67.39 | b | 71.45 | b | 80.62 | a | 89.07 | c | 87.86 | c | 74.21 | b | 63.96 | f | 48.39 | b | 40.73 | e | 63.21 | a | ||
2005 | 34.17 | a | 49.43 | 59.13 | a | 63.67 | 73.61 | 76.67 | 87.10 | a | 87.79 | c | 75.47 | 62.80 | a | 43.28 | e | 30.33 | a | 61.95 | ||||||
2006 | 41.73 | a | 44.21 | 53.50 | a | 63.18 | b | 72.65 | 79.34 | a | 91.28 | b | 86.71 | 80.15 | c | 63.35 | h | 45.46 | f | 31.93 | c | 64.47 | b | |||
2007 | 32.60 | f | 41.57 | e | 55.79 | g | 61.46 | b | 73.70 | h | 78.27 | h | 89.00 | f | 83.05 | j | 77.35 | j | 61.45 | i | 45.56 | e | 33.62 | g | 49.53 | i |
2008 | 28.36 | c | 42.43 | h | 52.83 | g | 58.24 | e | 74.05 | i | 79.35 | j | 85.91 | i | 84.41 | i | 77.88 | f | 61.95 | i | 47.23 | d | 30.95 | l | 44.61 | i |
2009 | 31.21 | g | 41.00 | i | 49.93 | d | 63.96 | f | 75.21 | c | 80.60 | e | 89.59 | b | 86.59 | b | 78.50 | h | 57.29 | g | 47.38 | f | 30.07 | d | 68.66 | f |
2010 | 39.50 | k | 48.45 | f | 56.69 | e | 62.88 | e | 67.83 | g | 75.45 | a | 86.21 | c | 84.07 | b | 73.53 | 63.74 | 42.17 | 33.87 | 64.29 | c | ||||
2011 | 36.00 | 41.89 | 52.42 | 59.30 | 68.55 | 77.17 | 82.68 | 86.58 | 80.50 | b | 62.42 | 48.60 | 38.48 | 61.22 | ||||||||||||
2012 | 38.90 | 44.86 | a | 54.94 | 62.47 | 71.13 | 77.77 | 87.19 | 88.48 | 78.90 | 64.32 | 48.00 | 39.16 | 63.01 | ||||||||||||
2013 | 31.97 | 47.44 | a | 55.34 | b | 64.66 | a | 72.45 | b | 77.85 | c | 90.10 | 85.67 | a | 78.00 | a | 62.70 | a | 46.20 | 32.68 | 62.09 | |||||
2014 | 38.55 | 37.00 | 53.94 | 62.90 | a | 74.57 | a | 78.20 | 89.65 | 87.00 | 78.17 | a | 65.65 | 46.00 | 40.50 | a | 62.68 | |||||||||
2015 | 37.55 | 51.00 | 61.13 | 62.43 | 74.07 | q | 88.94 | n | 92.75 | s | 90.91 | t | 77.45 | s | 69.29 | 46.27 | 40.71 | q | 54.61 | f | ||||||
2016 | 38.60 | p | 52.54 | p | 57.32 | l | 75.17 | r | 78.10 | u | 82.00 | r | ----- | z | 89.08 | r | 79.36 | p | 64.17 | y | 53.00 | 32.19 | 42.60 | j | ||
2017 | 27.61 | 36.46 | 54.23 | 61.37 | 72.23 | 78.27 | 89.26 | 89.23 | 76.43 | 61.00 | 46.13 | 33.77 | 60.50 | |||||||||||||
2018 | 38.74 | 44.36 | 52.87 | 61.20 | 79.65 | 76.40 | 86.86 | c | 84.42 | 73.50 | 60.81 | 44.90 | 37.90 | 61.80 | ||||||||||||
2019 | 37.58 | 28.64 | 45.55 | 61.57 | 73.65 | 78.10 | 82.06 | 84.13 | 70.77 | 55.35 | 44.47 | ----- | z | 60.17 | a | |||||||||||
2020 | ----- | z | 47.00 | 52.48 | 63.27 | ----- | z | 75.50 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.56 | h | ||||
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 93.00 | t | ----- | z | 61.00 | t | 54.30 | j | 38.40 | a | 38.40 | k |
2022 | 34.16 | 44.86 | 58.65 | 56.63 | 66.65 | 77.63 | 88.65 | 90.39 | 79.87 | 70.55 | 40.77 | 30.68 | 61.62 | |||||||||||||
2023 | ----- | z | ----- | z | 55.42 | 62.97 | 80.39 | 81.33 | 88.06 | 86.35 | 76.00 | 63.58 | 47.73 | 44.19 | 68.60 | b | ||||||||||
2024 | 41.15 | e | 51.03 | 60.06 | 65.18 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.75 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.51 | 43.09 | 54.33 | 63.43 | 72.77 | 79.22 | 87.56 | 86.34 | 77.69 | 63.58 | 45.80 | 35.80 | 61.81 | |||||||||||||
S.D. | 5.81 | 5.17 | 3.68 | 3.15 | 3.74 | 3.13 | 3.20 | 3.02 | 3.63 | 3.43 | 4.00 | 4.27 | 1.46 | |||||||||||||
SKEW | -0.85 | -0.50 | -0.10 | 0.11 | 0.24 | 0.24 | -0.05 | 0.26 | -0.05 | 0.56 | -0.84 | -0.44 | -0.42 | |||||||||||||
MAX | 44.84 | 52.29 | 62.03 | 71.23 | 80.67 | 86.67 | 95.16 | 94.16 | 85.40 | 72.55 | 53.30 | 44.19 | 64.42 | |||||||||||||
MIN | 17.39 | 28.64 | 45.55 | 56.63 | 66.48 | 72.17 | 78.43 | 79.74 | 70.41 | 55.35 | 31.87 | 24.52 | 58.29 | |||||||||||||
YRS | 72 | 75 | 78 | 77 | 73 | 76 | 74 | 74 | 72 | 69 | 76 | 74 | 53 |