YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.43 | 63.23 | 37.87 | 36.29 | 54.45 | h | ||||
1980 | 31.16 | 37.66 | 38.00 | a | 55.37 | 64.33 | a | 80.11 | b | 86.07 | a | 81.48 | 74.90 | 61.90 | 49.57 | 47.10 | 58.97 | |||||||||
1981 | 45.65 | 42.71 | 50.45 | 63.97 | 63.55 | 81.03 | 86.81 | 85.10 | 80.34 | a | 57.45 | 49.77 | 39.07 | a | 62.16 | |||||||||||
1982 | 36.94 | 37.75 | 48.07 | a | 56.86 | a | 64.93 | c | 78.93 | 86.48 | 86.71 | 72.80 | 56.79 | b | 39.93 | 32.48 | 58.22 | |||||||||
1983 | 39.50 | a | 39.48 | a | 44.87 | a | 49.86 | a | 61.90 | a | 76.34 | a | 90.77 | a | 76.89 | d | 71.37 | 59.61 | 41.55 | a | 24.10 | b | 56.35 | |||
1984 | 21.45 | 29.00 | 41.81 | 54.23 | 71.59 | b | 75.72 | a | 83.65 | 81.84 | 72.14 | b | 53.26 | 46.59 | a | 32.17 | b | 55.29 | ||||||||
1985 | 23.72 | b | 28.70 | a | 44.21 | b | 62.25 | b | 73.24 | b | 83.00 | 89.00 | 89.65 | 70.70 | 62.00 | b | 41.83 | 32.76 | b | 58.42 | ||||||
1986 | 36.52 | 41.11 | a | 55.00 | 58.31 | a | 67.17 | a | 82.27 | ----- | z | 84.20 | a | 73.00 | d | 60.50 | c | 38.10 | a | 39.57 | a | 57.79 | a | |||
1987 | 37.94 | 46.12 | b | 49.17 | a | 69.67 | 74.03 | a | 82.32 | b | 86.50 | a | 82.35 | 75.77 | 65.30 | a | 43.77 | 32.13 | 62.09 | |||||||
1988 | 26.81 | 34.97 | 41.90 | 61.27 | 68.19 | 83.83 | 86.52 | 85.06 | 72.50 | 68.23 | 42.80 | 32.42 | 58.71 | |||||||||||||
1989 | 31.71 | 24.21 | 48.74 | 63.43 | 70.74 | 78.13 | 89.03 | 82.13 | a | 75.23 | 70.46 | c | 49.03 | 34.81 | 59.81 | |||||||||||
1990 | 37.81 | 34.57 | 48.55 | 62.63 | 67.83 | a | 81.63 | 84.81 | 84.61 | 79.90 | 61.58 | 46.76 | a | 26.45 | b | 59.76 | ||||||||||
1991 | 26.70 | a | 36.82 | 45.45 | 55.67 | 69.00 | 78.57 | 83.68 | 82.39 | 73.63 | 63.32 | 38.62 | a | 29.55 | b | 56.95 | ||||||||||
1992 | 27.74 | 38.48 | 51.06 | 64.48 | a | 71.16 | 77.30 | 81.03 | 82.71 | c | 75.77 | 65.03 | b | 36.07 | 29.77 | 58.39 | ||||||||||
1993 | 30.52 | 28.89 | a | 44.48 | 53.03 | a | 67.48 | 74.47 | 82.19 | 79.65 | 73.20 | 57.57 | a | 37.14 | b | 31.55 | 55.01 | |||||||||
1994 | 34.81 | 34.86 | 51.97 | 59.50 | 74.48 | 82.77 | 85.84 | 85.10 | 75.93 | a | 57.65 | 38.80 | 35.29 | 59.75 | ||||||||||||
1995 | 33.56 | d | 43.43 | 49.13 | 54.37 | 58.71 | 73.86 | b | 81.65 | 83.58 | 73.83 | 60.86 | b | 50.52 | a | 40.73 | a | 58.68 | ||||||||
1996 | 31.93 | a | 39.20 | i | 47.13 | a | 56.79 | a | 67.73 | a | 80.53 | 87.17 | a | 86.06 | 70.13 | 56.33 | a | 44.82 | b | 34.61 | 60.30 | a | ||||
1997 | 30.74 | 33.14 | 49.65 | 49.47 | 67.90 | 78.00 | a | 84.32 | 81.45 | 72.40 | 59.39 | 41.20 | 30.87 | 56.54 | ||||||||||||
1998 | 37.64 | c | 36.64 | 42.52 | 55.69 | a | 68.10 | 71.93 | 85.68 | 83.61 | 78.53 | 59.52 | 47.20 | 34.57 | a | 58.47 | ||||||||||
1999 | 35.43 | c | 38.07 | 52.13 | 54.43 | 63.55 | 77.40 | 85.32 | 82.55 | 69.90 | 65.13 | 54.34 | a | 34.10 | 59.36 | |||||||||||
2000 | 36.03 | 43.45 | 48.65 | 62.31 | a | 72.03 | a | 80.07 | 87.65 | 85.81 | 73.30 | 59.61 | 30.23 | 31.39 | m | 61.74 | a | |||||||||
2001 | 26.07 | c | 33.85 | a | 46.13 | a | 57.67 | 70.10 | 81.23 | 88.00 | n | 83.24 | n | 78.57 | 62.42 | 49.21 | b | 29.90 | 53.52 | b | ||||||
2002 | 30.07 | a | 33.29 | ----- | z | 62.50 | b | 70.42 | 84.53 | 90.19 | 84.71 | 72.53 | 57.00 | 41.87 | 36.27 | a | 60.31 | a | ||||||||
2003 | 36.26 | 34.36 | 46.57 | a | 58.63 | 69.45 | 76.77 | 92.65 | 86.39 | 73.96 | f | 66.81 | 37.07 | 35.68 | 58.24 | a | ||||||||||
2004 | 31.45 | 34.07 | b | 53.24 | b | 59.97 | 69.19 | 77.55 | a | 83.80 | a | 80.19 | 71.47 | 58.03 | 43.31 | a | 36.48 | 58.23 | ||||||||
2005 | 38.57 | a | 41.50 | r | 47.93 | c | 60.17 | 66.27 | a | 74.43 | 88.93 | a | 82.23 | 74.17 | 60.58 | 44.77 | 32.61 | 60.97 | a | |||||||
2006 | 36.81 | 35.96 | 45.55 | 61.76 | a | 71.32 | f | 83.15 | d | 88.03 | 82.68 | 67.17 | a | 53.70 | a | 46.52 | a | 30.55 | 57.44 | a | ||||||
2007 | 21.53 | a | 37.04 | 52.74 | 59.43 | 69.65 | 82.63 | 90.19 | 85.26 | 73.00 | 58.52 | 51.03 | a | 26.61 | 58.97 | |||||||||||
2008 | 23.63 | a | 31.86 | 38.84 | 52.27 | 63.26 | 75.24 | a | 86.84 | 82.87 | 71.24 | a | 60.52 | 48.21 | a | 34.00 | a | 55.73 | ||||||||
2009 | 33.42 | 38.39 | 48.00 | ----- | z | 67.77 | a | 71.67 | 82.65 | 80.74 | 74.93 | a | 51.77 | a | 43.97 | a | 23.53 | a | 56.08 | a | ||||||
2010 | 27.87 | a | 30.54 | 45.81 | 55.43 | 62.71 | 77.37 | 84.68 | 81.35 | 77.27 | 61.84 | 40.89 | b | 33.60 | a | 56.61 | ||||||||||
2011 | 27.70 | a | 30.18 | 43.60 | a | 52.07 | a | 61.00 | 76.77 | 82.71 | 84.87 | a | 74.10 | 59.58 | 42.17 | 31.81 | 55.55 | |||||||||
2012 | 38.26 | 36.21 | a | 54.19 | 62.27 | 70.71 | 84.17 | 87.45 | 86.48 | 77.07 | 60.00 | 50.60 | 32.70 | a | 61.68 | |||||||||||
2013 | 25.90 | 32.79 | 46.97 | 51.90 | 67.29 | 83.07 | 87.30 | a | 85.07 | a | 74.00 | 54.45 | 42.67 | 28.90 | 56.69 | |||||||||||
2014 | 35.45 | 39.36 | 50.38 | e | ----- | z | 76.10 | u | 79.07 | 86.77 | 78.90 | 73.77 | 62.13 | 42.93 | 35.03 | 58.38 | b | |||||||||
2015 | 36.45 | 44.82 | 60.54 | r | 57.90 | 62.46 | c | 82.70 | 80.05 | l | ----- | z | ----- | z | 63.93 | b | 42.70 | 29.26 | 52.53 | d | ||||||
2016 | 28.45 | 36.97 | 45.42 | 54.93 | 63.71 | 83.00 | 88.18 | t | 82.03 | 72.60 | ----- | z | ----- | z | 31.77 | 55.43 | c | |||||||||
2017 | ----- | z | 40.20 | h | 54.10 | 56.23 | ----- | z | ----- | z | ----- | z | ----- | z | 62.00 | r | 57.26 | 50.47 | 39.87 | 51.59 | g | |||||
2018 | 38.39 | 37.52 | g | 49.61 | 60.50 | 72.26 | 82.60 | 89.68 | 84.90 | 79.31 | a | 55.55 | 41.20 | 32.16 | 62.38 | a | ||||||||||
2019 | 30.16 | 32.11 | 39.10 | 57.63 | 60.97 | 75.77 | 86.65 | 85.32 | 76.07 | 44.81 | j | 43.73 | 32.42 | 56.36 | a | |||||||||||
2020 | 31.42 | 30.21 | a | 44.94 | 55.10 | 67.48 | 76.07 | a | 86.52 | 88.26 | 73.79 | a | 59.45 | 47.07 | 33.26 | 57.80 | ||||||||||
2021 | 32.19 | 32.96 | 45.84 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.92 | f | 49.30 | 37.23 | i | 40.07 | h | ||||
2022 | 31.29 | ----- | z | 42.57 | a | 55.03 | 63.52 | 79.91 | h | 86.42 | ----- | z | 78.43 | 60.59 | b | 41.92 | r | 30.10 | 55.99 | d | ||||||
2023 | 27.94 | 26.71 | 31.48 | j | 47.67 | 70.89 | l | 70.96 | g | 83.96 | d | ----- | z | ----- | z | 58.55 | 42.50 | d | 35.19 | 46.07 | e | |||||
2024 | 33.53 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.53 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.21 | 35.43 | 47.18 | 57.63 | 67.33 | 79.15 | 86.30 | 83.56 | 74.38 | 60.18 | 43.92 | 33.07 | 58.24 | |||||||||||||
S.D. | 5.30 | 5.02 | 4.21 | 4.61 | 3.93 | 3.53 | 2.66 | 2.59 | 3.06 | 3.94 | 4.96 | 4.35 | 1.98 | |||||||||||||
SKEW | -0.05 | 0.09 | -0.19 | 0.11 | -0.20 | -0.29 | 0.11 | -0.16 | 0.24 | 0.29 | -0.23 | 0.51 | 0.29 | |||||||||||||
MAX | 45.65 | 46.12 | 55.00 | 69.67 | 74.48 | 84.53 | 92.65 | 89.65 | 80.43 | 70.46 | 54.34 | 47.10 | 62.16 | |||||||||||||
MIN | 21.45 | 24.21 | 38.00 | 47.67 | 58.71 | 71.67 | 81.03 | 76.89 | 67.17 | 51.77 | 30.23 | 23.53 | 55.01 | |||||||||||||
YRS | 44 | 39 | 41 | 41 | 39 | 40 | 38 | 38 | 40 | 42 | 43 | 43 | 26 |