YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1981 | ----- | z | 45.65 | k | 40.29 | 55.35 | 55.68 | 69.35 | 73.48 | a | 69.76 | 65.40 | 51.19 | 44.25 | 35.79 | 56.05 | b | |||||||||
1982 | 33.35 | a | 34.07 | 43.30 | a | 49.78 | 55.72 | b | 63.26 | a | 72.70 | c | 72.95 | 62.12 | 49.63 | 36.97 | 33.70 | a | 50.63 | |||||||
1983 | 36.52 | 38.44 | b | 39.26 | 43.30 | 53.81 | 64.28 | 73.23 | 72.03 | ----- | z | ----- | z | 35.93 | 18.24 | 47.50 | b | |||||||||
1984 | 27.30 | a | 33.16 | 35.56 | 40.43 | 58.25 | a | 63.37 | 71.65 | 68.95 | 58.15 | 42.40 | 38.77 | 33.11 | 47.59 | |||||||||||
1985 | 25.05 | 28.46 | 40.31 | 49.92 | 58.24 | 66.28 | 70.73 | a | 70.10 | 56.98 | 49.17 | a | 29.58 | 30.31 | 47.93 | |||||||||||
1986 | 39.29 | 35.98 | 46.71 | 48.53 | 55.08 | 67.60 | 72.63 | 71.52 | 60.18 | 49.55 | 40.02 | 32.08 | 51.60 | |||||||||||||
1987 | 32.53 | 36.54 | 39.34 | 50.25 | 57.73 | 66.48 | 71.24 | 68.39 | 59.78 | 50.90 | 39.20 | 29.08 | 50.12 | |||||||||||||
1988 | 26.37 | a | 34.00 | ----- | z | ----- | z | 57.18 | 69.30 | 72.23 | 71.60 | 61.07 | 53.53 | 40.22 | 31.80 | a | 51.73 | b | ||||||||
1989 | ----- | z | 23.29 | 42.76 | 49.27 | 57.34 | 63.10 | 72.84 | ----- | z | 60.67 | 49.87 | a | 42.15 | 28.15 | 48.94 | b | |||||||||
1990 | 36.00 | 33.09 | 38.92 | 47.18 | 54.53 | 69.13 | 69.47 | 69.29 | 65.60 | 52.00 | 43.38 | 25.97 | 50.38 | |||||||||||||
1991 | 29.26 | 39.71 | 42.48 | 46.25 | 58.39 | 66.83 | 70.48 | 69.31 | 60.88 | 50.24 | 35.63 | 34.74 | 50.35 | |||||||||||||
1992 | 34.02 | 39.90 | 42.77 | 53.53 | 58.69 | 64.23 | 68.31 | 66.39 | 63.90 | 52.82 | 34.17 | 29.31 | 50.67 | |||||||||||||
1993 | 28.61 | 29.93 | 41.69 | 47.22 | 57.00 | 64.03 | 70.32 | 67.21 | 58.02 | 47.13 | 34.17 | 34.08 | 48.28 | |||||||||||||
1994 | 33.74 | 32.80 | 42.45 | a | 47.07 | 60.74 | 70.30 | 70.26 | 70.92 | 63.72 | 50.55 | 37.82 | 35.76 | 51.34 | ||||||||||||
1995 | 34.29 | 38.20 | 41.13 | 44.00 | 50.63 | 62.38 | 69.87 | 73.11 | 59.98 | 49.82 | 43.12 | 34.82 | 50.11 | |||||||||||||
1996 | 28.98 | 36.86 | 37.65 | 49.00 | 58.61 | 67.43 | 71.76 | 69.26 | 59.50 | 51.08 | 39.72 | 35.24 | 50.42 | |||||||||||||
1997 | 30.03 | 32.41 | 43.55 | 42.08 | 56.89 | 67.00 | 71.16 | 69.15 | 63.88 | 50.69 | 36.87 | 31.74 | 49.62 | |||||||||||||
1998 | 35.06 | 35.54 | 39.02 | 45.80 | 59.40 | 62.62 | 72.66 | 70.47 | 66.43 | 50.42 | 43.28 | 31.56 | 51.02 | |||||||||||||
1999 | 36.45 | 40.96 | 44.47 | 43.74 | a | 55.19 | 64.28 | 73.34 | 70.23 | 58.45 | 51.23 | 46.82 | 35.34 | 51.71 | ||||||||||||
2000 | 35.29 | 40.95 | 41.61 | 50.78 | 60.06 | 66.53 | 74.24 | 72.18 | 62.10 | 49.76 | 31.82 | 30.90 | 51.35 | |||||||||||||
2001 | 32.53 | 31.00 | 40.68 | 49.53 | 57.00 | 67.83 | 73.94 | 70.60 | 63.80 | 51.18 | 42.22 | 33.85 | 51.18 | |||||||||||||
2002 | 32.47 | 34.54 | 36.06 | 51.62 | 55.50 | 70.12 | 75.55 | 70.52 | 62.78 | 44.65 | 39.12 | 35.82 | 50.73 | |||||||||||||
2003 | 39.44 | 30.25 | 42.48 | 50.68 | b | 57.40 | 63.23 | 75.77 | 71.87 | h | 59.73 | 54.41 | b | 36.87 | 35.02 | 49.57 | a | |||||||||
2004 | 33.16 | 32.36 | 47.00 | 47.57 | c | 58.85 | 63.05 | a | 69.48 | 66.56 | 61.63 | 50.61 | 38.47 | 34.58 | a | 50.28 | ||||||||||
2005 | 36.34 | 36.95 | 40.63 | 46.93 | 57.68 | 65.78 | 74.95 | 68.79 | 63.53 | 50.77 | 43.32 | 31.39 | 51.42 | |||||||||||||
2006 | 38.52 | 31.95 | 39.60 | 51.82 | 59.77 | 70.10 | 73.44 | 70.06 | 57.05 | 49.42 | 41.12 | 32.00 | 51.24 | |||||||||||||
2007 | 24.53 | 32.88 | 44.89 | 45.67 | 57.81 | 67.38 | 74.15 | 71.98 | 63.25 | 52.42 | 41.67 | 28.05 | 50.39 | |||||||||||||
2008 | 27.89 | 34.38 | 39.27 | 45.43 | 55.77 | 65.87 | 73.87 | 68.66 | 59.73 | 50.24 | 43.27 | 28.65 | 49.42 | |||||||||||||
2009 | 34.53 | 38.52 | 42.44 | 44.63 | 58.18 | 63.13 | 69.90 | b | 68.40 | 60.78 | 42.26 | 42.05 | 25.19 | 49.17 | ||||||||||||
2010 | 32.15 | 28.34 | 40.15 | 47.56 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.54 | i | |||
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.06 | d | 74.08 | 61.82 | 50.68 | 38.93 | 28.00 | 54.59 | f | |||||
2012 | 36.03 | 29.14 | 47.19 | 53.00 | 59.16 | 72.05 | 75.47 | 71.73 | 62.42 | 47.58 | 41.72 | 31.53 | 52.25 | |||||||||||||
2013 | 29.39 | 29.55 | 36.81 | 41.60 | 57.02 | 68.52 | 71.76 | 71.45 | 63.93 | 46.18 | 40.13 | 29.18 | 48.79 | |||||||||||||
2014 | 32.37 | 29.71 | 40.00 | 48.13 | 55.61 | 65.62 | 71.71 | 68.08 | 62.45 | 52.58 | 36.42 | 31.34 | 49.50 | |||||||||||||
2015 | 33.24 | 34.12 | 42.24 | 48.15 | 52.34 | 68.72 | 71.06 | 71.29 | 66.65 | 55.00 | 39.18 | 30.71 | 51.06 | |||||||||||||
2016 | 32.26 | 37.59 | 41.00 | 47.55 | 53.55 | 70.93 | 74.08 | 69.52 | 63.30 | 55.53 | 44.77 | 28.39 | 51.54 | |||||||||||||
2017 | 29.56 | 40.61 | 47.55 | 48.53 | 55.10 | 68.67 | 73.53 | 68.94 | 62.43 | 48.74 | 44.60 | 33.42 | 51.81 | |||||||||||||
2018 | 34.13 | 28.82 | 42.13 | 47.25 | 60.11 | 70.93 | 73.50 | 70.23 | 65.18 | 47.71 | 37.18 | 31.73 | 50.74 | |||||||||||||
2019 | 30.87 | 28.21 | 35.40 | 49.23 | 50.31 | 65.17 | 73.58 | 72.97 | 66.18 | 43.29 | 36.00 | 32.89 | 48.68 | |||||||||||||
2020 | 33.94 | 28.81 | 41.92 | 45.37 | 59.06 | 69.17 | 73.89 | 73.56 | 61.35 | 47.65 | 41.42 | 32.26 | 50.70 | |||||||||||||
2021 | 32.31 | 26.84 | 38.03 | 44.37 | 55.45 | 68.77 | 73.58 | 71.61 | 64.83 | 51.15 | 43.03 | 37.60 | 50.63 | |||||||||||||
2022 | 29.23 | 26.25 | 38.27 | 47.47 | 56.31 | 68.12 | 74.94 | 72.85 | 65.20 | 51.23 | 34.12 | 30.24 | 49.52 | |||||||||||||
2023 | 27.42 | 30.41 | 35.35 | 45.92 | 57.79 | 63.22 | 71.77 | 71.58 | 64.27 | 50.21 | 40.92 | 36.00 | 49.57 | |||||||||||||
2024 | 28.24 | 36.21 | 39.77 | 50.00 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.74 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.26 | 33.37 | 41.00 | 47.60 | 56.80 | 66.69 | 72.54 | 70.41 | 62.17 | 49.89 | 39.53 | 31.66 | 50.33 | |||||||||||||
S.D. | 3.73 | 4.42 | 3.10 | 3.26 | 2.40 | 2.73 | 1.85 | 1.89 | 2.58 | 2.99 | 3.75 | 3.60 | 1.13 | |||||||||||||
SKEW | -0.12 | -0.04 | 0.20 | 0.04 | -0.84 | 0.03 | -0.29 | -0.13 | -0.20 | -0.82 | -0.47 | -1.25 | -0.65 | |||||||||||||
MAX | 39.44 | 40.96 | 47.55 | 55.35 | 60.74 | 72.05 | 75.77 | 74.08 | 66.65 | 55.53 | 46.82 | 37.60 | 52.25 | |||||||||||||
MIN | 24.53 | 23.29 | 35.35 | 40.43 | 50.31 | 62.38 | 68.31 | 66.39 | 56.98 | 42.26 | 29.58 | 18.24 | 47.59 | |||||||||||||
YRS | 41 | 42 | 42 | 40 | 41 | 41 | 42 | 40 | 41 | 41 | 42 | 42 | 36 |