YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | 32.68 | 35.61 | 41.87 | 54.93 | 59.29 | 68.40 | 80.84 | 75.26 | 73.57 | 55.97 | a | 53.68 | k | 39.03 | 56.13 | a | ||||||||||
1950 | 32.03 | 42.04 | 40.84 | 54.13 | 62.87 | 68.00 | 82.94 | 80.71 | 67.83 | 57.35 | 50.57 | 46.29 | 57.13 | |||||||||||||
1951 | 37.53 | a | 39.36 | 44.77 | 56.00 | 59.55 | 74.60 | 81.65 | 78.84 | 75.10 | 54.61 | 44.43 | 38.32 | 57.06 | ||||||||||||
1952 | 34.19 | 39.76 | 38.37 | d | 56.50 | b | 63.42 | 62.47 | 81.61 | 78.52 | 72.71 | b | 68.97 | 46.07 | 37.81 | 56.70 | ||||||||||
1953 | 43.10 | 43.21 | 43.65 | 49.90 | 51.52 | 63.33 | 82.00 | 74.03 | 76.70 | 59.13 | 49.45 | a | 44.77 | 56.73 | ||||||||||||
1954 | 37.74 | 52.18 | 42.48 | 57.47 | 67.06 | 65.21 | b | 81.64 | c | 72.10 | 68.80 | 59.16 | 51.00 | 39.77 | 57.89 | |||||||||||
1955 | 38.24 | b | 37.78 | e | 42.61 | 41.80 | 59.97 | 69.87 | 73.76 | f | 81.86 | c | 72.63 | 62.19 | 43.37 | 37.48 | 53.44 | a | ||||||||
1956 | 37.32 | 36.83 | 45.17 | a | 48.43 | 58.68 | 69.93 | 79.06 | 75.16 | 70.90 | 53.87 | 52.83 | 47.71 | 56.33 | ||||||||||||
1957 | 33.94 | 42.46 | 42.52 | 49.97 | 55.65 | 73.64 | b | 77.19 | 76.45 | 72.40 | 50.55 | 44.83 | 42.52 | b | 55.18 | |||||||||||
1958 | 40.58 | 39.46 | 36.71 | 48.00 | 63.84 | 64.87 | 76.71 | 80.52 | 70.87 | 65.87 | 49.37 | 50.39 | 57.26 | |||||||||||||
1959 | 42.42 | 38.32 | 48.81 | 59.66 | a | 55.42 | 72.07 | 79.68 | 78.39 | 65.87 | 62.87 | 58.13 | 48.10 | 59.14 | ||||||||||||
1960 | 34.06 | 38.79 | 46.32 | 49.10 | 56.87 | 77.83 | 83.48 | 79.77 | 75.37 | 60.06 | 42.93 | 44.42 | 57.42 | |||||||||||||
1961 | 47.48 | 41.50 | 40.87 | 52.00 | 55.52 | 76.33 | 82.61 | 77.48 | 67.50 | 59.48 | 47.13 | 40.55 | 57.37 | |||||||||||||
1962 | 43.97 | 38.96 | 39.45 | 56.87 | 55.06 | 72.70 | 80.29 | 77.13 | 73.40 | 59.03 | 49.17 | 47.67 | a | 57.81 | ||||||||||||
1963 | 44.58 | 48.29 | 41.71 | 40.03 | 59.55 | 65.73 | 74.48 | 76.00 | 70.73 | 59.61 | 45.63 | 45.94 | 56.02 | |||||||||||||
1964 | 38.65 | 44.69 | 42.19 | 49.73 | 55.90 | 65.03 | 79.29 | 79.23 | 67.57 | 66.71 | 41.97 | 38.45 | 55.78 | |||||||||||||
1965 | 40.39 | 44.11 | 45.97 | 47.53 | 59.23 | 67.63 | 79.10 | 73.35 | 66.10 | 68.61 | 46.87 | 38.58 | 56.46 | |||||||||||||
1966 | 38.23 | 38.89 | 46.00 | 58.57 | 68.84 | 69.70 | 76.58 | 81.52 | 71.83 | 64.74 | 47.63 | 40.58 | 58.59 | |||||||||||||
1967 | 42.26 | 48.18 | 40.68 | 37.57 | 59.42 | 66.10 | 80.23 | 81.68 | 73.57 | 61.03 | 51.37 | 36.35 | 56.54 | |||||||||||||
1968 | 40.29 | 44.31 | 45.81 | 51.83 | 59.48 | 72.70 | 82.45 | 69.74 | 71.97 | 59.84 | 44.97 | 36.19 | 56.63 | |||||||||||||
1969 | 37.32 | 34.39 | 41.42 | 48.00 | 65.03 | 66.53 | 80.77 | 81.97 | 74.83 | 53.90 | 54.77 | 42.77 | 56.81 | |||||||||||||
1970 | 39.48 | 47.07 | 46.03 | 46.53 | 63.16 | 70.20 | 80.71 | 81.35 | 71.38 | a | 59.71 | 46.83 | 35.23 | 57.31 | ||||||||||||
1971 | 41.45 | 43.29 | 41.90 | 48.10 | 55.55 | 65.30 | 80.23 | 82.26 | 68.80 | 53.52 | 44.67 | 35.00 | 55.00 | |||||||||||||
1972 | 40.93 | a | 42.45 | 49.83 | a | 48.27 | 63.60 | a | 73.86 | a | 82.33 | a | 78.63 | a | 66.30 | 55.10 | 42.67 | 36.71 | 56.72 | |||||||
1973 | 37.03 | 42.36 | 40.58 | 51.17 | 66.39 | 72.37 | 80.77 | 78.81 | 69.40 | 58.13 | 38.97 | 40.29 | 56.35 | |||||||||||||
1974 | 36.94 | 40.48 | a | 43.14 | b | 46.43 | 61.90 | 73.63 | 76.94 | 78.58 | 78.70 | 62.84 | 47.57 | 39.39 | 57.21 | |||||||||||
1975 | 42.81 | 38.25 | 38.58 | 40.60 | 58.40 | a | 70.60 | 77.32 | 74.10 | 75.47 | 55.58 | 46.17 | 48.32 | 55.52 | ||||||||||||
1976 | 47.00 | 43.62 | 46.81 | 48.90 | 66.90 | 68.37 | 78.35 | 67.97 | 71.33 | 65.03 | 58.90 | 52.26 | 59.62 | |||||||||||||
1977 | 47.32 | 51.36 | 42.52 | 58.57 | 50.10 | 74.97 | 77.52 | 78.77 | 67.07 | 62.45 | 48.67 | 44.23 | 58.63 | |||||||||||||
1978 | 42.97 | 43.46 | 51.74 | 47.17 | a | 59.84 | 68.07 | 75.00 | 71.52 | 66.40 | 69.10 | 47.03 | 41.13 | 56.95 | ||||||||||||
1979 | 40.26 | 38.54 | 48.35 | 50.23 | 63.84 | 71.90 | a | 74.94 | 69.74 | 72.00 | 58.10 | a | 46.00 | b | 45.19 | 56.59 | ||||||||||
1980 | 44.71 | 45.69 | 44.45 | 54.13 | 57.84 | 62.77 | 76.45 | 76.10 | 71.47 | 64.00 | 53.43 | 51.55 | 58.55 | |||||||||||||
1981 | 48.69 | b | 46.68 | 46.00 | 56.30 | 62.13 | 72.87 | 77.03 | 79.39 | 73.23 | 55.87 | 49.87 | 45.81 | 59.49 | ||||||||||||
1982 | 40.81 | 45.46 | 42.23 | 48.17 | a | 65.26 | 67.07 | 73.71 | 76.35 | 66.47 | 56.42 | 45.57 | 41.16 | 55.72 | ||||||||||||
1983 | 45.57 | a | 42.68 | 42.84 | 46.00 | 62.10 | 68.10 | 70.71 | 74.52 | 70.60 | 62.29 | 42.97 | 38.97 | 55.61 | ||||||||||||
1984 | 49.00 | 45.59 | 49.61 | 49.07 | 64.70 | a | 67.93 | 80.74 | 76.81 | 71.59 | a | 52.73 | a | 42.18 | b | 41.34 | b | 57.61 | ||||||||
1985 | 47.68 | 45.61 | 44.69 | b | 61.29 | b | 62.79 | b | 74.14 | a | 81.45 | b | 76.77 | 64.24 | a | 59.19 | 42.76 | a | 49.00 | 59.13 | ||||||
1986 | 48.06 | 44.07 | a | 53.70 | a | 52.43 | 61.94 | 73.66 | a | 74.42 | 79.03 | 63.54 | f | 60.10 | 51.93 | a | 45.87 | 58.66 | a | |||||||
1987 | 41.10 | 45.89 | 45.80 | a | 62.38 | a | 64.83 | a | 75.17 | 72.83 | b | 81.10 | a | 76.85 | d | 68.16 | 47.57 | 35.72 | b | 59.78 | ||||||
1988 | 41.27 | a | 51.52 | 49.97 | b | 55.73 | 57.87 | a | 69.93 | a | 83.29 | 81.10 | 75.23 | 70.55 | 43.13 | 41.81 | 60.12 | |||||||||
1989 | 42.71 | 37.46 | 44.81 | 58.20 | 60.33 | a | 71.83 | 78.45 | 74.74 | 70.43 | 57.97 | 52.77 | 51.03 | 58.40 | ||||||||||||
1990 | 43.48 | 40.14 | 49.61 | 59.23 | 58.29 | 64.34 | a | 80.03 | 75.16 | 72.50 | 63.32 | 48.17 | 37.61 | 57.66 | ||||||||||||
1991 | 45.16 | 52.07 | 39.74 | 47.30 | 56.61 | c | 67.80 | 81.06 | 76.23 | a | 79.07 | 67.23 | 51.10 | 44.29 | 58.97 | |||||||||||
1992 | 44.16 | 45.34 | 48.90 | 57.60 | 70.84 | 70.57 | 74.97 | 81.71 | 74.10 | 64.19 | 47.20 | 37.82 | c | 59.78 | ||||||||||||
1993 | 35.60 | a | 37.39 | 46.84 | ----- | z | 60.94 | 66.43 | 74.45 | 76.80 | a | 74.03 | a | 61.19 | 48.77 | 40.71 | 56.65 | a | ||||||||
1994 | 45.35 | 38.71 | 51.68 | 54.70 | 61.52 | 71.07 | 83.00 | 80.42 | 72.33 | 58.48 | 36.70 | 38.27 | a | 57.69 | ||||||||||||
1995 | 37.60 | a | 50.89 | 43.07 | b | 48.21 | a | 55.42 | 65.97 | 74.94 | 78.23 | 73.97 | 64.29 | 54.40 | 41.77 | a | 57.39 | |||||||||
1996 | 40.53 | a | 43.96 | a | 48.50 | a | 51.47 | 59.65 | 71.80 | 82.84 | 82.03 | 70.13 | 58.81 | 48.40 | 39.93 | a | 58.17 | |||||||||
1997 | 39.97 | 44.78 | a | 51.84 | 51.43 | 67.39 | 68.23 | 78.29 | 77.19 | 71.10 | 57.23 | 46.47 | 40.55 | b | 57.87 | |||||||||||
1998 | 38.29 | 35.39 | 45.65 | 48.07 | 46.23 | a | 64.97 | 79.10 | b | 81.16 | 72.40 | 56.35 | 42.03 | 39.94 | 54.13 | |||||||||||
1999 | 43.94 | 37.68 | 41.87 | 47.93 | 62.65 | 68.90 | 76.97 | 73.55 | 75.70 | 66.23 | 50.43 | 43.81 | 57.47 | |||||||||||||
2000 | 39.23 | 40.21 | 46.65 | 55.80 | 61.58 | 74.37 | 74.97 | 78.68 | 68.66 | a | 57.03 | 43.45 | a | 45.10 | 57.14 | |||||||||||
2001 | 40.65 | 38.74 | a | 50.06 | 48.47 | 73.13 | 71.77 | 78.58 | 80.61 | 74.53 | 65.90 | 46.43 | 36.78 | d | 58.80 | |||||||||||
2002 | 38.50 | a | 47.50 | 46.60 | a | 53.92 | e | 60.32 | 74.23 | 83.42 | 79.79 | b | 74.52 | c | 64.59 | i | 51.89 | k | 40.26 | 59.91 | b | |||||
2003 | 47.42 | 43.07 | a | 47.42 | e | 41.48 | e | 60.67 | g | 76.46 | d | 82.42 | e | 75.38 | e | 77.62 | d | 66.61 | c | 41.27 | d | 38.50 | a | 57.97 | a | |
2004 | 39.96 | d | 39.96 | f | 54.56 | d | 56.00 | e | 64.64 | i | 72.58 | f | 79.35 | k | 78.44 | d | 71.07 | b | 55.21 | c | 44.77 | 44.92 | e | 55.62 | d | |
2005 | 40.76 | b | 44.24 | c | 48.17 | a | 50.13 | g | 57.89 | d | 63.53 | k | 82.36 | i | 80.96 | e | 68.10 | i | 59.97 | a | 48.90 | 43.61 | h | 54.41 | e | |
2006 | 39.36 | f | 44.50 | d | 37.96 | d | 45.67 | i | 64.32 | c | 74.33 | i | 83.19 | e | 78.85 | k | 75.96 | e | 57.94 | m | 47.04 | e | 43.00 | f | 58.83 | f |
2007 | 42.92 | e | 44.94 | j | 53.74 | l | 55.10 | i | 67.61 | m | 72.58 | k | 80.19 | o | 81.53 | l | 69.38 | n | 55.29 | c | 53.38 | d | 35.92 | e | 46.88 | h |
2008 | 34.00 | l | 43.87 | f | 48.64 | i | 47.22 | u | 59.62 | r | 74.92 | f | 81.35 | e | 81.50 | i | 76.08 | d | 63.22 | v | 54.39 | l | 42.22 | h | 78.71 | j |
2009 | 47.78 | h | 37.95 | g | 45.17 | g | 56.00 | f | 66.62 | e | 66.17 | f | 81.64 | c | 78.00 | g | 77.00 | c | 59.14 | j | 48.70 | j | 37.82 | i | 75.09 | i |
2010 | 40.52 | f | 40.86 | f | 46.20 | k | 46.83 | l | 53.08 | e | 64.69 | n | 80.89 | m | 76.85 | k | 69.19 | i | 56.83 | h | 45.88 | f | 38.71 | g | 53.08 | k |
2011 | 44.57 | j | 39.26 | e | 40.91 | i | 48.91 | h | 53.05 | k | 60.81 | i | 74.22 | h | 78.91 | i | 77.19 | i | 60.43 | j | 44.08 | e | 43.79 | c | 42.38 | i |
2012 | 45.90 | j | 44.42 | e | 43.61 | c | 52.05 | k | 64.35 | h | 71.82 | h | 78.00 | g | 82.41 | i | 78.26 | c | 59.37 | d | 47.95 | h | 36.41 | d | 52.41 | g |
2013 | 43.58 | e | 44.05 | h | 51.63 | d | 63.73 | s | 63.86 | i | 76.29 | m | 84.44 | d | 77.68 | f | 71.65 | d | 61.20 | p | 51.83 | g | 41.82 | t | 62.83 | h |
2014 | 49.75 | g | 43.23 | f | 48.71 | c | 53.19 | i | 68.33 | p | 75.33 | o | 84.80 | p | 77.18 | n | 76.47 | k | 59.36 | i | 48.28 | e | 41.36 | f | 48.50 | j |
2015 | 49.73 | i | 54.88 | l | 55.27 | e | 57.40 | j | 62.00 | f | 78.52 | e | 77.42 | e | 78.60 | f | 72.65 | g | 63.75 | c | 41.24 | e | 36.30 | h | 63.24 | g |
2016 | 39.39 | c | 47.26 | f | 46.92 | f | 57.80 | e | 60.56 | f | 72.59 | m | 80.85 | e | 83.73 | i | 72.52 | e | 55.82 | c | 50.12 | m | 38.43 | h | 61.28 | g |
2017 | 38.87 | h | 39.26 | e | 47.14 | c | 50.40 | j | 66.04 | g | 72.61 | b | 82.46 | e | 81.76 | f | 71.17 | f | 61.84 | f | 43.64 | h | 48.00 | i | 60.37 | h |
2018 | 42.27 | e | 39.90 | h | 39.70 | h | 53.00 | i | 63.18 | i | 73.75 | n | 83.00 | l | 79.12 | f | 72.33 | f | 59.36 | f | 53.00 | p | 39.67 | g | 42.27 | k |
2019 | 42.73 | i | 37.56 | s | ----- | z | 63.54 | q | 58.31 | b | 76.19 | n | 79.68 | l | 78.33 | j | 67.81 | n | 56.28 | f | 52.16 | e | 37.20 | f | 55.24 | j |
2020 | 38.27 | e | 48.53 | l | 42.56 | f | 54.70 | j | 60.62 | o | 74.43 | p | 81.33 | j | 81.30 | h | 75.15 | j | 68.43 | j | 49.12 | m | 43.46 | g | 38.27 | k |
2021 | 40.37 | a | 42.48 | e | 42.93 | p | 57.57 | i | 65.94 | m | 83.29 | w | 85.14 | x | 81.55 | t | 75.18 | s | 64.11 | v | 50.06 | l | 51.83 | y | 41.42 | j |
2022 | ----- | z | 45.75 | t | 53.06 | n | 53.44 | l | 61.62 | o | 75.40 | o | 82.54 | r | 81.82 | n | 75.61 | l | 68.60 | p | 46.86 | p | 39.56 | m | ----- | z |
2023 | 38.35 | n | 42.44 | s | 37.47 | n | 49.55 | s | 62.81 | o | 68.08 | r | 82.72 | m | 79.17 | m | 67.06 | l | 69.92 | r | 53.07 | o | 47.18 | t | ----- | z |
2024 | 42.55 | t | 39.18 | r | 46.85 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.11 | 42.63 | 45.35 | 51.38 | 60.62 | 70.06 | 79.22 | 77.61 | 72.14 | 60.44 | 47.32 | 41.87 | 57.39 | |||||||||||||
S.D. | 4.01 | 4.30 | 4.23 | 5.57 | 4.92 | 3.96 | 3.18 | 3.40 | 3.49 | 4.71 | 4.38 | 4.50 | 1.35 | |||||||||||||
SKEW | -0.04 | 0.37 | 0.24 | -0.22 | -0.16 | 0.03 | -0.52 | -0.78 | -0.16 | 0.23 | 0.30 | 0.52 | 0.03 | |||||||||||||
MAX | 49.00 | 52.18 | 55.27 | 62.38 | 73.13 | 78.52 | 84.44 | 82.26 | 79.07 | 70.55 | 58.90 | 52.26 | 60.12 | |||||||||||||
MIN | 32.03 | 34.39 | 36.71 | 37.57 | 46.23 | 62.47 | 70.71 | 67.97 | 64.24 | 50.55 | 36.70 | 35.00 | 54.13 | |||||||||||||
YRS | 63 | 61 | 63 | 56 | 59 | 57 | 61 | 57 | 61 | 60 | 61 | 59 | 49 |