YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 94.75 | n | 95.87 | 93.48 | 84.00 | 71.61 | 57.83 | 47.81 | 75.10 | f | ||||||
1963 | 33.26 | 52.33 | a | 59.13 | a | 66.13 | 83.42 | 88.93 | 96.74 | 90.10 | 87.67 | 76.90 | 56.00 | 43.06 | 69.47 | |||||||||||
1964 | 41.77 | 44.90 | 52.42 | 65.00 | 78.42 | 88.53 | 96.29 | 89.94 | 81.30 | 75.74 | 52.83 | 41.52 | 67.39 | |||||||||||||
1965 | 42.97 | 48.79 | 53.71 | 68.60 | 73.87 | 84.33 | 91.52 | 91.45 | 78.03 | 71.97 | 61.37 | 44.74 | 67.61 | |||||||||||||
1966 | 40.00 | 42.93 | 61.90 | 70.43 | 83.23 | 89.30 | 96.23 | 92.84 | 82.37 | 70.90 | 62.00 | 44.25 | c | 69.70 | ||||||||||||
1967 | 39.30 | u | 54.55 | f | 64.87 | 69.25 | j | 78.19 | 87.00 | 94.39 | 91.16 | 81.87 | 73.58 | 59.43 | 34.87 | 73.93 | c | |||||||||
1968 | 34.03 | 52.79 | 58.74 | 64.48 | a | 76.94 | 90.57 | 92.77 | 85.45 | 83.40 | 71.77 | 53.03 | 37.87 | 66.82 | ||||||||||||
1969 | 43.39 | 47.21 | 53.45 | 70.83 | 82.29 | 86.53 | 94.03 | 93.27 | a | 84.77 | 63.16 | 51.63 | 43.42 | 67.83 | ||||||||||||
1970 | 44.42 | 54.93 | 52.94 | 60.97 | 80.58 | 86.97 | 91.06 | 93.19 | 79.27 | 63.97 | a | 54.87 | 44.03 | 67.27 | ||||||||||||
1971 | 44.27 | a | 50.14 | 59.84 | 68.73 | 74.00 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.75 | h | |||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.73 | 37.58 | 43.16 | j | ||
1973 | 33.03 | 43.61 | 52.23 | 63.77 | 79.48 | 89.70 | ----- | z | 91.63 | a | 78.13 | 67.32 | 56.14 | b | 45.58 | 63.69 | a | |||||||||
1974 | 34.48 | 40.30 | h | 67.86 | j | 69.63 | 85.13 | 96.20 | 96.11 | m | 94.77 | 83.28 | e | 70.16 | 54.50 | n | 40.00 | g | 76.24 | e | ||||||
1975 | 40.65 | 48.23 | f | 56.13 | 65.60 | e | 79.16 | 88.67 | 96.18 | i | 93.63 | a | 85.29 | w | 73.61 | ----- | z | ----- | z | 71.06 | e | |||||
1976 | 46.06 | n | 54.17 | 56.39 | 67.07 | 76.26 | 87.23 | 93.52 | 89.16 | 78.37 | 66.48 | 56.10 | 44.60 | a | 69.94 | a | ||||||||||
1977 | 33.90 | 50.89 | 55.77 | 70.80 | 76.00 | 91.47 | 91.10 | 89.74 | 83.93 | 71.81 | 56.17 | 48.43 | c | 68.33 | ||||||||||||
1978 | 42.23 | a | 45.14 | 59.52 | 66.80 | 72.06 | 89.90 | 94.53 | a | 89.77 | 81.80 | 72.42 | 52.73 | 33.94 | 66.74 | |||||||||||
1979 | 32.29 | 42.82 | 54.48 | 67.14 | a | 74.55 | 82.60 | 87.16 | 85.81 | 80.23 | 73.87 | 47.87 | 47.50 | c | 64.69 | |||||||||||
1980 | 48.07 | a | 57.74 | b | 56.27 | a | 71.03 | a | 76.48 | 90.57 | 94.61 | 89.90 | 83.00 | b | 69.94 | 58.93 | b | 52.45 | b | 70.75 | ||||||
1981 | 50.61 | 53.44 | a | 55.77 | 71.69 | a | 70.10 | 92.30 | 93.45 | 91.13 | 82.53 | 68.80 | a | 58.80 | 47.14 | b | 69.65 | |||||||||
1982 | 43.33 | a | 42.18 | 56.38 | b | 65.67 | 73.97 | a | 86.43 | 92.20 | a | 87.68 | 81.46 | b | 66.43 | a | 51.57 | 43.86 | b | 65.93 | ||||||
1983 | 42.29 | 48.93 | 54.40 | a | 60.36 | b | 74.52 | 84.07 | 90.32 | 90.65 | 84.33 | 70.14 | b | 54.55 | a | 44.72 | b | 66.61 | ||||||||
1984 | 41.52 | 49.93 | 57.35 | 64.30 | 83.84 | 87.66 | a | 93.10 | a | 89.42 | 83.53 | 61.42 | 54.60 | 44.52 | 67.60 | |||||||||||
1985 | 40.35 | 46.50 | 57.03 | 70.50 | 77.45 | 90.97 | 93.03 | 92.23 | a | 77.03 | 68.23 | 52.53 | 46.52 | 67.70 | ||||||||||||
1986 | 49.62 | b | 53.43 | 62.30 | a | 68.31 | a | 77.73 | a | 88.81 | c | 89.21 | b | 90.89 | c | 77.74 | c | 65.26 | 53.57 | b | 43.87 | a | 68.40 | |||
1987 | 39.90 | 48.16 | c | 55.19 | d | 70.30 | 75.81 | 89.87 | 90.63 | a | 87.50 | c | 81.32 | b | 71.25 | c | 50.75 | b | 39.69 | e | 66.70 | |||||
1988 | 34.52 | 47.82 | a | 57.19 | d | 68.32 | b | 77.00 | 88.24 | a | 93.33 | a | 88.20 | a | 80.46 | b | 74.33 | a | 53.25 | b | 43.00 | 67.14 | ||||
1989 | 38.26 | 45.63 | a | 66.26 | d | 75.00 | a | 80.74 | 88.00 | a | 94.71 | c | 88.27 | a | 83.83 | 69.42 | 56.21 | a | 46.03 | 69.36 | ||||||
1990 | 40.50 | c | 46.86 | 59.03 | 70.33 | 78.06 | 93.77 | 92.45 | b | 88.82 | c | 84.20 | 69.80 | a | 54.33 | 35.03 | a | 67.77 | ||||||||
1991 | 35.20 | a | 49.14 | 55.07 | a | ----- | z | 79.50 | u | 86.50 | 92.00 | a | 89.71 | 82.14 | a | 73.53 | a | 55.76 | a | 38.62 | b | 65.77 | b | |||
1992 | 39.74 | 50.97 | 60.13 | a | 74.37 | 77.13 | 85.72 | a | 89.97 | 88.90 | a | 83.17 | 72.23 | 50.43 | 36.48 | 67.44 | ||||||||||
1993 | 46.06 | 47.93 | a | 57.97 | a | 67.59 | a | 76.20 | a | 86.45 | a | 92.45 | 87.53 | a | 82.63 | c | 65.87 | 50.63 | 43.59 | b | 67.07 | |||||
1994 | 46.81 | 46.85 | a | 61.71 | 66.55 | a | 78.77 | 93.13 | 95.03 | a | 92.97 | 82.43 | 66.19 | 50.13 | 44.33 | a | 68.74 | |||||||||
1995 | 43.10 | 57.70 | a | 58.42 | 65.63 | 71.16 | f | 84.11 | c | 92.21 | b | 92.30 | a | 83.48 | c | 71.81 | e | 60.21 | a | 46.81 | 68.71 | a | ||||
1996 | 45.97 | 55.29 | a | 60.32 | 70.70 | 83.13 | a | 90.07 | b | 95.29 | 91.23 | 78.62 | a | 68.68 | c | 52.30 | 44.57 | a | 69.68 | |||||||
1997 | 38.30 | a | 47.07 | a | 63.90 | a | 63.81 | c | 79.90 | b | 86.93 | 91.39 | 88.14 | c | 82.03 | 69.00 | a | 54.00 | a | 42.13 | a | 67.22 | ||||
1998 | 45.13 | 46.25 | 58.56 | d | 63.93 | 77.37 | a | 86.57 | 93.39 | 90.87 | 84.67 | 68.13 | 54.72 | a | 46.03 | a | 67.97 | |||||||||
1999 | 49.67 | a | 54.86 | 64.90 | 63.07 | 75.80 | a | 86.75 | b | 89.71 | 85.97 | 80.76 | a | 73.72 | b | 62.41 | a | 44.37 | d | 69.33 | ||||||
2000 | 46.39 | 53.48 | 56.93 | a | 72.83 | 85.29 | 91.83 | 95.90 | a | 92.87 | a | 86.93 | 68.83 | b | 47.00 | a | 46.29 | 70.38 | ||||||||
2001 | 42.13 | a | 50.22 | a | 60.13 | 69.71 | b | 83.82 | c | 92.55 | a | 92.77 | a | 89.71 | 86.77 | 73.77 | 57.76 | a | 43.88 | f | 72.67 | a | ||||
2002 | 45.86 | i | 52.37 | i | 60.29 | c | 75.74 | c | 81.82 | c | 95.17 | g | 97.75 | k | 92.70 | k | 81.18 | m | 65.33 | j | 55.11 | k | 43.45 | k | 72.62 | i |
2003 | 51.73 | i | 47.21 | i | 59.38 | j | 69.30 | j | 82.47 | l | 89.35 | j | 99.86 | j | 93.62 | j | 84.20 | j | 75.50 | i | 53.39 | l | 47.80 | k | ----- | z |
2004 | 42.67 | p | 47.88 | l | 67.88 | f | 67.96 | f | 82.45 | k | 91.48 | g | 94.26 | h | 90.77 | e | 81.77 | h | 70.68 | l | 53.08 | e | 45.30 | d | 63.05 | i |
2005 | 50.62 | g | 51.20 | h | 59.78 | d | 74.16 | e | 81.54 | g | 89.89 | c | 98.80 | f | 88.92 | f | 85.04 | d | 73.40 | k | 63.96 | g | 49.33 | j | 77.22 | h |
2006 | 50.04 | f | 57.30 | h | 60.59 | b | 74.22 | l | 85.04 | c | 95.36 | e | 96.35 | k | 89.65 | h | 82.35 | j | 66.00 | c | 61.45 | j | 43.78 | h | 76.75 | h |
2007 | 40.17 | a | 51.36 | 65.90 | b | 69.93 | b | 78.29 | g | 93.43 | b | 96.70 | h | 92.45 | i | 90.16 | k | 74.09 | h | 61.25 | j | 52.00 | i | 64.16 | g | |
2008 | 37.62 | e | 46.78 | b | 63.00 | a | 69.75 | b | 75.65 | e | 92.72 | e | 95.77 | 93.35 | h | 86.76 | e | 73.85 | d | 61.23 | h | 55.82 | i | 71.32 | c | |
2009 | 46.50 | g | 52.71 | d | 68.91 | i | 70.27 | h | 82.53 | l | 85.45 | j | 96.18 | i | 96.60 | f | 85.26 | g | 70.10 | j | 59.58 | k | 43.74 | l | 52.71 | k |
2010 | 35.67 | g | 44.29 | g | 59.74 | h | 70.59 | h | 79.00 | k | 91.12 | f | 93.54 | e | 88.21 | g | 85.82 | h | 70.86 | i | 59.64 | h | 53.00 | h | 93.54 | k |
2011 | 41.48 | j | 52.19 | b | 62.71 | 74.63 | 81.32 | 91.57 | 93.74 | 94.28 | b | 83.89 | c | 70.03 | b | 57.71 | b | 44.52 | 73.33 | a | ||||||
2012 | 50.43 | a | 51.07 | b | 67.97 | 74.60 | e | 84.81 | 94.82 | b | 94.23 | 94.36 | c | 85.30 | 75.97 | 63.43 | 47.47 | a | 73.70 | |||||||
2013 | 41.30 | a | 51.50 | 66.32 | 70.87 | 80.94 | 94.97 | 96.74 | 90.68 | c | 84.77 | 69.23 | 54.76 | a | 42.97 | a | 70.42 | |||||||||
2014 | 49.87 | 55.88 | d | 63.10 | a | 73.33 | 81.03 | 92.38 | d | 96.29 | 88.10 | b | 85.96 | d | 72.65 | h | 59.37 | k | 48.32 | i | 76.22 | c | ||||
2015 | 46.82 | i | 57.74 | a | 64.65 | 68.53 | 74.16 | 89.47 | 90.35 | 91.13 | a | 86.47 | 73.58 | 55.90 | 45.16 | 72.47 | a | |||||||||
2016 | 41.87 | 55.52 | 64.03 | 68.05 | k | 76.65 | 94.90 | 95.48 | 87.35 | 83.77 | 75.68 | 59.80 | 47.90 | 71.18 | a | |||||||||||
2017 | 45.13 | 58.39 | 68.29 | 70.00 | 77.32 | 94.17 | 95.40 | a | 91.74 | 84.77 | 75.55 | 66.33 | 52.74 | 73.32 | ||||||||||||
2018 | 52.13 | 56.61 | 62.03 | 75.63 | 83.55 | 95.27 | 97.03 | 94.23 | 87.77 | 67.52 | 53.80 | 44.16 | 72.48 | |||||||||||||
2019 | 41.19 | 46.73 | b | 60.29 | 71.97 | 72.19 | 89.03 | 95.60 | a | 95.26 | 86.72 | a | 68.39 | 62.38 | q | 42.12 | e | 69.95 | a | |||||||
2020 | 43.80 | p | 56.07 | n | 61.90 | 71.27 | 84.60 | a | 91.43 | 95.94 | 97.48 | 86.20 | 78.11 | c | 60.72 | a | 43.23 | 77.09 | b | |||||||
2021 | 44.07 | a | 52.50 | 60.13 | 73.73 | 83.26 | 93.93 | 95.81 | d | 92.68 | 84.53 | 67.77 | 61.07 | 47.77 | 71.44 | |||||||||||
2022 | 47.39 | 51.21 | 58.94 | 71.63 | 82.26 | 90.93 | 95.03 | 91.90 | 87.07 | 70.55 | 52.83 | 46.71 | 70.54 | |||||||||||||
2023 | 43.00 | 47.04 | 53.65 | 69.03 | 79.36 | c | 86.67 | 97.90 | 93.19 | 85.07 | 74.52 | 58.67 | 48.26 | 69.70 | ||||||||||||
2024 | 44.58 | 53.41 | 58.19 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.06 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.18 | 50.43 | 59.44 | 69.13 | 78.95 | 89.82 | 93.62 | 90.84 | 83.18 | 70.55 | 55.50 | 44.03 | 68.69 | |||||||||||||
S.D. | 5.05 | 4.27 | 4.08 | 3.79 | 3.87 | 3.32 | 2.35 | 2.58 | 2.74 | 3.69 | 4.20 | 4.01 | 2.03 | |||||||||||||
SKEW | -0.15 | 0.01 | 0.22 | -0.25 | -0.08 | 0.02 | -0.49 | 0.04 | -0.43 | -0.21 | 0.32 | -0.64 | 0.66 | |||||||||||||
MAX | 52.13 | 58.39 | 68.29 | 75.74 | 85.29 | 96.20 | 97.90 | 97.48 | 87.77 | 78.11 | 66.33 | 52.74 | 73.70 | |||||||||||||
MIN | 32.29 | 42.18 | 52.23 | 60.36 | 70.10 | 82.60 | 87.16 | 85.45 | 77.03 | 61.42 | 47.00 | 33.94 | 64.69 | |||||||||||||
YRS | 49 | 51 | 56 | 52 | 51 | 54 | 50 | 52 | 52 | 52 | 49 | 49 | 36 |