YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.50 | 90.77 | 87.03 | 77.57 | 64.48 | 64.13 | 48.86 | b | 73.48 | e | ||||||
1950 | 43.64 | c | 53.29 | 50.00 | 62.97 | a | 69.63 | a | 85.79 | a | 85.00 | 83.03 | 74.24 | a | 79.38 | e | 54.66 | a | 49.57 | a | 65.93 | |||||
1951 | 42.67 | a | 48.11 | a | 49.83 | a | 57.57 | 72.35 | 74.77 | 84.55 | 87.19 | 76.20 | 64.97 | 50.70 | 40.55 | 62.45 | ||||||||||
1952 | 45.58 | 47.69 | 43.87 | 61.90 | 71.39 | 91.47 | 92.00 | 90.68 | 84.20 | 70.81 | 48.27 | 37.48 | 65.44 | |||||||||||||
1953 | 49.32 | 47.36 | 58.90 | 57.17 | 69.55 | 89.33 | 91.52 | 87.10 | 85.90 | 72.61 | 52.37 | 39.03 | 66.68 | |||||||||||||
1954 | 41.97 | 57.63 | i | 50.13 | a | 70.53 | 67.16 | 89.50 | 96.48 | 91.77 | 87.20 | 65.32 | 59.47 | 47.87 | 69.76 | a | ||||||||||
1955 | 38.63 | a | 40.25 | 52.42 | 66.17 | a | 75.10 | 78.13 | 95.61 | 93.35 | 82.03 | 73.16 | 49.43 | 43.42 | 65.64 | |||||||||||
1956 | 44.42 | 38.76 | 55.30 | a | 61.30 | 76.42 | 92.37 | 89.32 | 87.87 | 84.77 | 74.94 | 46.93 | 47.71 | 66.68 | ||||||||||||
1957 | 34.77 | a | 50.89 | 47.81 | 54.60 | 66.68 | 80.20 | 90.67 | d | 89.06 | 78.93 | 62.61 | 49.07 | 52.94 | 63.19 | |||||||||||
1958 | 47.03 | 45.32 | 35.74 | 58.07 | 75.42 | 81.50 | 84.68 | 89.35 | 82.40 | 70.13 | 54.87 | 45.26 | 64.15 | |||||||||||||
1959 | 40.58 | 40.82 | 50.74 | 61.23 | 71.55 | 89.38 | a | 89.19 | 93.26 | 78.20 | 62.71 | 50.90 | 50.19 | 64.90 | ||||||||||||
1960 | 36.61 | 29.66 | 42.90 | 66.57 | 71.45 | 81.93 | 88.32 | 91.55 | 82.30 | 69.42 | 56.30 | 42.55 | 63.30 | |||||||||||||
1961 | 43.84 | 50.29 | 51.55 | 58.73 | 67.90 | 83.37 | 89.45 | 89.03 | a | 73.97 | 68.81 | 48.47 | 39.39 | 63.73 | ||||||||||||
1962 | 36.29 | 48.93 | 51.32 | 66.57 | 79.65 | 79.87 | 88.39 | 90.97 | 77.67 | 72.10 | 56.87 | 48.70 | a | 66.44 | ||||||||||||
1963 | 31.00 | 52.75 | 53.32 | 69.37 | 77.84 | 88.17 | 95.94 | 89.90 | 80.87 | 77.87 | 57.67 | 38.39 | 67.76 | |||||||||||||
1964 | 48.45 | 40.66 | 47.26 | 59.70 | 75.87 | 81.27 | 95.39 | 88.65 | 80.23 | 71.87 | 53.50 | 46.45 | 65.77 | |||||||||||||
1965 | 48.52 | 43.52 | a | 41.23 | 68.83 | 76.71 | 79.30 | 88.84 | 85.55 | 66.00 | 71.65 | 58.97 | 47.77 | 64.74 | ||||||||||||
1966 | 35.48 | 36.61 | 56.81 | 60.63 | 77.42 | 83.63 | 92.90 | 84.48 | 79.10 | 67.65 | 54.92 | d | 42.52 | 64.35 | ||||||||||||
1967 | 48.13 | 50.00 | 61.40 | a | 65.63 | 67.29 | 77.17 | 86.26 | 86.61 | 77.13 | 71.23 | 53.23 | 39.87 | 65.33 | ||||||||||||
1968 | 43.19 | 48.03 | 58.58 | 60.57 | 67.52 | 87.17 | 89.06 | 83.48 | 80.57 | 71.68 | 50.79 | a | 38.58 | 64.94 | ||||||||||||
1969 | 42.97 | 45.00 | 44.16 | 67.27 | 74.03 | 78.97 | 94.06 | 90.23 | 81.13 | 54.58 | 53.97 | 46.03 | 64.37 | |||||||||||||
1970 | 43.10 | 55.15 | a | 45.97 | 60.87 | 79.57 | a | 83.23 | 91.68 | 92.00 | 79.76 | a | 62.29 | 50.87 | 49.45 | 66.16 | ||||||||||
1971 | 43.55 | 41.32 | 52.26 | 62.87 | 68.61 | 88.40 | 87.55 | 90.29 | 77.10 | 68.06 | 52.60 | 44.23 | 64.74 | |||||||||||||
1972 | 41.87 | 51.62 | 63.74 | 65.23 | 73.00 | 84.80 | 85.39 | 86.55 | 78.23 | 65.19 | e | 41.88 | e | 31.90 | 64.12 | |||||||||||
1973 | 38.45 | 45.36 | 50.97 | 58.00 | a | 70.71 | 84.87 | 87.90 | a | 91.81 | 73.53 | 70.10 | 51.50 | 43.74 | 63.91 | |||||||||||
1974 | 34.26 | 50.04 | 56.32 | 64.37 | 79.03 | 84.60 | 94.48 | 83.94 | 76.90 | 69.74 | 52.80 | 43.32 | 65.82 | |||||||||||||
1975 | 41.81 | 41.96 | 48.97 | 67.62 | f | 72.68 | 81.27 | 91.16 | 90.68 | 78.23 | 72.35 | 53.00 | i | 44.19 | 66.33 | b | ||||||||||
1976 | 42.19 | 54.83 | 52.35 | 64.80 | 71.31 | b | 85.43 | 90.90 | b | 90.32 | 78.57 | 63.32 | 52.67 | 47.87 | 66.21 | |||||||||||
1977 | 34.68 | 53.39 | 52.55 | b | 65.33 | 75.90 | 87.47 | 92.23 | a | 84.90 | 83.67 | 70.58 | 54.43 | 47.23 | 66.86 | |||||||||||
1978 | 32.13 | 31.89 | 48.00 | o | 67.79 | p | 74.04 | h | 83.37 | 94.23 | 87.58 | 90.90 | t | 70.54 | c | 52.79 | k | 39.44 | o | 66.62 | f | |||||
1979 | ----- | z | ----- | z | ----- | z | 69.56 | l | 68.82 | i | 86.14 | h | 91.78 | h | 85.00 | d | 83.32 | e | 73.03 | 44.57 | b | 51.33 | j | 71.48 | h | |
1980 | 35.30 | a | 43.59 | 46.10 | 57.73 | 69.19 | 87.00 | 93.32 | 89.74 | 80.63 | 68.89 | c | 58.62 | f | 52.94 | 65.86 | a | |||||||||
1981 | 51.00 | j | 48.21 | 52.03 | 69.70 | 67.23 | 85.67 | 89.19 | 85.77 | 83.53 | 66.26 | 57.57 | 49.23 | 68.58 | a | |||||||||||
1982 | 41.45 | 42.75 | ----- | z | 63.43 | 71.29 | 76.33 | 88.93 | a | 90.03 | a | 79.18 | b | 67.04 | h | 53.00 | h | 45.06 | 66.50 | c | ||||||
1983 | 40.97 | 47.46 | 47.14 | c | 56.55 | a | 68.41 | b | 79.46 | b | 93.45 | 96.25 | c | 85.43 | 69.70 | a | 55.11 | b | 27.00 | b | 63.91 | |||||
1984 | 37.19 | 47.05 | h | 50.88 | f | 53.83 | a | 73.33 | a | 84.35 | j | 91.29 | 92.23 | 77.15 | c | 65.37 | l | 55.54 | d | 41.80 | f | 68.65 | e | |||
1985 | 36.87 | a | 39.77 | b | 57.80 | a | 68.63 | 76.52 | 84.56 | c | 92.58 | g | 93.88 | w | 84.31 | q | 67.04 | h | 46.00 | k | 39.48 | j | 60.69 | f | ||
1986 | 56.24 | j | 48.74 | i | 63.55 | k | 71.50 | j | 76.27 | i | 85.67 | l | 96.64 | t | 90.88 | n | 80.94 | m | 69.55 | i | 54.35 | m | 38.09 | t | ----- | z |
1987 | 47.58 | l | 51.50 | h | 49.70 | k | 65.25 | j | 74.58 | l | 84.75 | n | 94.58 | s | 89.90 | u | 79.24 | m | 72.68 | l | 56.00 | m | 49.38 | w | ----- | z |
1988 | 35.50 | k | 43.00 | j | ----- | z | 66.32 | h | 74.33 | j | 88.00 | s | 91.43 | q | 92.00 | k | 78.05 | j | 69.71 | n | 63.89 | u | 56.17 | y | ----- | z |
1989 | 50.65 | k | 38.21 | i | 60.00 | j | 66.17 | l | 77.56 | v | 84.29 | m | 90.29 | j | 89.33 | v | 76.81 | i | 68.90 | j | ----- | z | 53.56 | v | ----- | z |
1990 | 46.71 | g | 43.21 | 54.94 | 64.73 | 68.42 | 87.37 | 87.16 | 87.13 | 83.24 | a | 67.00 | 55.87 | 38.20 | a | 67.02 | a | |||||||||
1991 | 39.29 | 56.61 | 56.03 | a | 63.23 | 73.87 | 84.43 | 87.16 | 85.97 | a | 79.30 | 68.71 | 47.50 | b | 44.55 | 65.55 | ||||||||||
1992 | 40.42 | 52.10 | 58.45 | 67.53 | 75.19 | 78.43 | 84.90 | 81.32 | 80.17 | 68.39 | 44.97 | 34.55 | 63.87 | |||||||||||||
1993 | 32.58 | 37.00 | a | 53.23 | a | 60.40 | 71.77 | 81.60 | 85.61 | 83.84 | 73.97 | 64.48 | 48.50 | j | 45.73 | a | 62.75 | a | ||||||||
1994 | 43.77 | 39.07 | 59.74 | 63.76 | a | 77.10 | 88.20 | 88.45 | 90.13 | 82.50 | 67.19 | 49.43 | 46.90 | 66.35 | ||||||||||||
1995 | 45.29 | 51.75 | 54.10 | b | 58.00 | 62.07 | b | 79.37 | 88.90 | 92.84 | 77.70 | 65.71 | 56.27 | 46.77 | 64.90 | |||||||||||
1996 | ----- | z | 49.72 | 50.83 | a | 66.96 | e | 70.32 | 84.13 | 86.74 | 85.23 | 73.23 | d | 67.65 | 48.17 | 45.74 | 66.25 | a | ||||||||
1997 | 39.81 | 43.43 | 58.84 | 56.60 | 73.32 | 84.17 | 90.26 | 85.19 | 80.16 | e | 66.50 | a | 49.07 | 38.00 | 63.78 | |||||||||||
1998 | 42.94 | 46.68 | 49.61 | 61.03 | 76.68 | 82.57 | 89.26 | 86.42 | 84.77 | 66.42 | 53.37 | 43.58 | 65.28 | |||||||||||||
1999 | 46.90 | 56.29 | 57.06 | 59.47 | 71.84 | 81.77 | 92.45 | 87.65 | 75.70 | 69.23 | 61.67 | 48.06 | 67.34 | |||||||||||||
2000 | 44.52 | 55.52 | b | 53.90 | 68.50 | 76.77 | 84.90 | 93.00 | 94.71 | 83.13 | 67.23 | 42.87 | 39.26 | 67.03 | ||||||||||||
2001 | 42.26 | 38.18 | 50.65 | 66.63 | 73.84 | 87.69 | d | 93.03 | 91.90 | 81.00 | 68.77 | 58.17 | 46.81 | 66.58 | ||||||||||||
2002 | 45.52 | 47.79 | 47.64 | f | 67.63 | 74.00 | 92.53 | 95.03 | 89.97 | 79.00 | 60.10 | 52.47 | 48.06 | 68.37 | a | |||||||||||
2003 | 46.61 | 41.04 | 56.03 | 67.37 | 71.48 | 79.83 | 95.90 | 92.58 | 80.17 | 74.11 | d | 52.28 | a | 47.19 | 67.05 | |||||||||||
2004 | 45.40 | a | 46.21 | a | 62.73 | a | 66.87 | 77.42 | 82.90 | i | 85.95 | k | 83.42 | 81.03 | 66.35 | 48.13 | 45.97 | a | 62.35 | b | ||||||
2005 | 41.55 | 50.11 | 55.84 | 64.37 | 75.00 | 83.50 | 94.13 | 88.03 | ----- | z | 67.23 | 59.59 | a | 43.26 | 65.69 | a | ||||||||||
2006 | 52.42 | 45.96 | 53.55 | 70.53 | 78.81 | 89.37 | 93.06 | 88.03 | 74.07 | 64.33 | a | 54.63 | 44.13 | 67.41 | ||||||||||||
2007 | 27.84 | 34.25 | 60.23 | 59.80 | 75.48 | 83.37 | 91.65 | 90.90 | 82.97 | 69.13 | a | 57.30 | 34.94 | 63.99 | ||||||||||||
2008 | 37.26 | 43.79 | 54.32 | 61.40 | 73.42 | 84.87 | 93.90 | 82.84 | 77.23 | 65.94 | 55.90 | 40.81 | 64.31 | |||||||||||||
2009 | 45.84 | 51.14 | 56.10 | 60.17 | 71.87 | 80.10 | 85.48 | 85.84 | 74.43 | 53.90 | 56.63 | 35.55 | 63.09 | |||||||||||||
2010 | 44.00 | 40.29 | 54.03 | 64.87 | 70.29 | 84.90 | 89.00 | 89.39 | 83.53 | 70.94 | 53.53 | 48.29 | 66.09 | |||||||||||||
2011 | 40.10 | b | 40.79 | 54.94 | 66.38 | a | 69.48 | 86.63 | 94.68 | 92.61 | 78.50 | f | 69.81 | 54.70 | 40.00 | g | 67.01 | b | ||||||||
2012 | 48.61 | ----- | z | 65.87 | 71.00 | 79.71 | 94.13 | 98.45 | 92.17 | a | 83.00 | 66.65 | 61.90 | 45.48 | 73.36 | a | ||||||||||
2013 | 45.29 | 45.61 | 51.80 | f | 58.31 | a | 77.61 | 91.40 | 89.13 | a | 89.32 | 82.62 | a | 63.00 | 53.13 | 43.71 | 67.19 | a | ||||||||
2014 | 44.81 | 35.43 | 55.62 | e | 66.23 | 74.87 | 84.73 | 90.74 | 91.10 | 80.50 | 74.10 | 54.48 | i | 47.10 | a | 67.75 | a | |||||||||
2015 | 44.81 | 50.36 | 62.12 | e | 68.76 | a | 70.10 | 84.77 | 89.26 | 89.87 | a | 86.30 | 67.59 | d | 54.03 | ----- | z | 69.81 | a | |||||||
2016 | 45.10 | a | 49.62 | 61.58 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.30 | ----- | z | 61.93 | ----- | z | 60.11 | g | ||||
2017 | 38.93 | a | 57.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.97 | j | |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2020 | ----- | z | ----- | z | ----- | z | ----- | z | 72.48 | 90.47 | 90.61 | 92.13 | 80.40 | ----- | z | 60.70 | 45.97 | b | 76.11 | e | ||||||
2021 | 42.90 | 34.36 | 56.00 | 60.93 | 71.26 | 85.86 | i | 90.45 | 90.10 | 86.13 | 69.55 | 59.97 | 54.81 | 65.13 | a | |||||||||||
2022 | 43.58 | 43.07 | 52.50 | a | 65.70 | 75.29 | 86.83 | 93.32 | 89.42 | 84.27 | 70.23 | 51.97 | 41.23 | 66.45 | ||||||||||||
2023 | 33.45 | 39.54 | 48.52 | 64.73 | 73.19 | 79.63 | 87.55 | 89.84 | 85.00 | 67.74 | 58.50 | 47.65 | 64.61 | |||||||||||||
2024 | 34.19 | 53.50 | c | 56.47 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.05 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.45 | 45.70 | 53.33 | 63.36 | 72.98 | 84.33 | 90.62 | 88.74 | 80.06 | 68.19 | 53.60 | 44.12 | 65.25 | |||||||||||||
S.D. | 5.04 | 6.45 | 5.72 | 4.31 | 3.78 | 4.25 | 3.33 | 3.21 | 3.96 | 4.47 | 4.80 | 5.21 | 1.33 | |||||||||||||
SKEW | -0.47 | -0.29 | -0.41 | -0.20 | -0.25 | 0.11 | 0.07 | -0.19 | -0.70 | -0.61 | -0.19 | -0.80 | -0.04 | |||||||||||||
MAX | 52.42 | 57.00 | 65.87 | 71.00 | 79.71 | 94.13 | 98.45 | 96.25 | 87.20 | 79.38 | 64.13 | 54.81 | 67.76 | |||||||||||||
MIN | 27.84 | 29.66 | 35.74 | 53.83 | 62.07 | 74.77 | 84.55 | 81.32 | 66.00 | 53.90 | 41.88 | 27.00 | 62.45 | |||||||||||||
YRS | 64 | 64 | 61 | 62 | 64 | 63 | 64 | 66 | 64 | 63 | 61 | 61 | 44 |