YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1973 | 23.21 | g | 32.39 | 35.79 | 41.31 | a | 53.55 | 61.60 | 68.87 | 67.34 | 58.10 | 47.77 | 37.83 | 28.94 | 48.50 | a | ||||||||||
1974 | 27.26 | 28.82 | 42.53 | 43.18 | 57.15 | 67.62 | 69.50 | 67.10 | 59.98 | 51.26 | 37.53 | 25.77 | 48.14 | |||||||||||||
1975 | 26.89 | 30.27 | 37.55 | 41.20 | 50.19 | 61.73 | 69.03 | 66.82 | 59.68 | 48.32 | 34.13 | 26.02 | 45.99 | |||||||||||||
1976 | 27.47 | 36.90 | 36.10 | 45.18 | 55.92 | 63.72 | 70.92 | 66.76 | 60.57 | 46.69 | 35.17 | 26.85 | 47.69 | |||||||||||||
1977 | 22.79 | 33.27 | 35.56 | 46.92 | 53.53 | 66.43 | 70.97 | 70.76 | 63.77 | 52.82 | 40.22 | 35.05 | 49.34 | |||||||||||||
1978 | 32.65 | 34.32 | 42.66 | 48.08 | 54.00 | 66.48 | 71.98 | 68.45 | 62.42 | 52.31 | 40.72 | 25.79 | 49.99 | |||||||||||||
1979 | 24.10 | 30.89 | 37.94 | 46.92 | 53.55 | 63.38 | 70.87 | 66.81 | 63.75 | 52.35 | 33.05 | 31.32 | 47.91 | |||||||||||||
1980 | 33.35 | 35.90 | 37.06 | 44.73 | 52.63 | 65.87 | 72.39 | 69.61 | 62.08 | 47.29 | 37.82 | 36.73 | 49.62 | |||||||||||||
1981 | 33.19 | 35.12 | 37.98 | 50.13 | 55.53 | 68.42 | 72.32 | 69.60 | a | 62.45 | 49.45 | 39.88 | 33.10 | 50.60 | ||||||||||||
1982 | 26.73 | 32.34 | 39.97 | 47.52 | 53.97 | 63.18 | 69.37 | 69.23 | 62.35 | 45.55 | 37.17 | 28.79 | 48.01 | |||||||||||||
1983 | 29.11 | 35.70 | 39.61 | 40.93 | 52.37 | 62.32 | 69.63 | 69.92 | 64.43 | 50.84 | 36.47 | 33.66 | 48.75 | |||||||||||||
1984 | 28.79 | 31.67 | 37.74 | 42.15 | 60.27 | 65.08 | 71.19 | 68.77 | 62.68 | 44.95 | 37.15 | 31.95 | 48.53 | |||||||||||||
1985 | 29.94 | 30.82 | 40.29 | 48.20 | 56.23 | 66.47 | 70.52 | 69.76 | 57.67 | 49.92 | 38.25 | 31.24 | 49.11 | |||||||||||||
1986 | 33.40 | 35.50 | 42.31 | 47.87 | 55.56 | 65.90 | 69.40 | 70.45 | 58.68 | 47.42 | 38.53 | 31.50 | 49.71 | |||||||||||||
1987 | 26.10 | 33.27 | 35.81 | 48.00 | 54.77 | 65.15 | 68.77 | 66.85 | 59.40 | 51.90 | 37.20 | 27.55 | 47.90 | |||||||||||||
1988 | 27.18 | 36.33 | 36.24 | 46.60 | 54.39 | 66.80 | 70.85 | 68.76 | 59.23 | 53.37 | 37.13 | 29.47 | 48.86 | |||||||||||||
1989 | 25.53 | 34.12 | 44.74 | 52.23 | 58.84 | 65.58 | 72.56 | 68.66 | 62.97 | 49.19 | 38.08 | 29.05 | 50.13 | |||||||||||||
1990 | 27.21 | 31.43 | 41.23 | 49.88 | 56.66 | 69.35 | 70.32 | 67.90 | 63.97 | 50.29 | 37.92 | 20.69 | 48.90 | |||||||||||||
1991 | 24.05 | 36.14 | 37.10 | 45.75 | 54.92 | 62.47 | 70.02 | 68.95 | 61.97 | 48.69 | 35.45 | 28.08 | 47.80 | |||||||||||||
1992 | 24.34 | 35.34 | 39.02 | 49.08 | 55.94 | 60.73 | 67.06 | 67.10 | 59.98 | 50.08 | 31.47 | 20.27 | 46.70 | |||||||||||||
1993 | 33.90 | 34.62 | 39.16 | 44.00 | 55.31 | 61.48 | 68.76 | 67.06 | 57.50 | 46.73 | 33.38 | 27.84 | 47.48 | |||||||||||||
1994 | 27.10 | 31.04 | 40.16 | 45.60 | 54.21 | 66.65 | 70.52 | 71.27 | 60.67 | 46.10 | 33.60 | 31.32 | 48.19 | |||||||||||||
1995 | 31.19 | 39.02 | 40.18 | 42.90 | 50.87 | 59.43 | 68.08 | 70.87 | 61.27 | 46.52 | 39.52 | 28.50 | 48.20 | |||||||||||||
1996 | 31.37 | 37.21 | 37.50 | 46.35 | 58.05 | 65.80 | 71.82 | 69.65 | 58.18 | 47.63 | 37.65 | 31.76 | 49.41 | |||||||||||||
1997 | 27.03 | 33.46 | 41.15 | 44.03 | 56.79 | 62.30 | 67.92 | 68.66 | 65.13 | 46.73 | 37.95 | 26.90 | 48.17 | |||||||||||||
1998 | 32.47 | 31.98 | 38.52 | 42.37 | 52.90 | 61.13 | 71.39 | 69.74 | 63.48 | 48.27 | 38.70 | 30.89 | 48.49 | |||||||||||||
1999 | 31.32 | 34.20 | 41.45 | 42.18 | 52.95 | 62.22 | 70.19 | 67.42 | 59.18 | 48.63 | 40.30 | 26.24 | 48.02 | |||||||||||||
2000 | 32.39 | 37.71 | 39.45 | 49.35 | 58.52 | 68.05 | 72.37 | 70.87 | 63.52 | 49.16 | 30.93 | 29.95 | 50.19 | |||||||||||||
2001 | 23.65 | 31.80 | 40.19 | 47.92 | 56.58 | 65.85 | 72.02 | 68.15 | 62.32 | 51.90 | 39.73 | 26.98 | 48.92 | |||||||||||||
2002 | 28.85 | 30.48 | 36.42 | a | 51.33 | 56.24 | 67.78 | 71.74 | 68.44 | 60.65 | 48.13 | 37.33 | 27.32 | 48.73 | ||||||||||||
2003 | 35.31 | 33.09 | 37.81 | 44.98 | 56.85 | 64.73 | 74.23 | 70.31 | 61.65 | 53.76 | 37.72 | 30.26 | 50.06 | |||||||||||||
2004 | 29.73 | a | 30.16 | 44.68 | 46.30 | 56.00 | 64.78 | 69.08 | 66.37 | 59.23 | 48.31 | 36.15 | 29.94 | 48.39 | ||||||||||||
2005 | 35.61 | 36.14 | 37.92 | 46.32 | 56.95 | 62.17 | 72.42 | 67.79 | 62.83 | 50.79 | 37.85 | 28.89 | 49.64 | |||||||||||||
2006 | 29.79 | 32.55 | 37.37 | 49.48 | 58.37 | 67.85 | 72.39 | 67.68 | 56.70 | 48.19 | 37.60 | 28.52 | 48.87 | |||||||||||||
2007 | 25.39 | 34.21 | 41.31 | 47.78 | 56.18 | 66.63 | 72.15 | 70.90 | 62.63 | 49.40 | 41.18 | 28.27 | 49.67 | |||||||||||||
2008 | 23.88 | a | 32.59 | 38.48 | 44.27 | 52.19 | 64.17 | 69.84 | 69.97 | 60.67 | 49.02 | 38.35 | 29.68 | 47.76 | ||||||||||||
2009 | 30.87 | 35.45 | 40.13 | 44.87 | 59.18 | 62.60 | 72.85 | 68.68 | 61.37 | 46.60 | 39.10 | 25.95 | 48.97 | |||||||||||||
2010 | 27.18 | 30.57 | 38.48 | 46.02 | 52.76 | 66.32 | 72.58 | 68.97 | 63.60 | 51.82 | 34.02 | 35.15 | 48.95 | |||||||||||||
2011 | 27.43 | a | 28.75 | 42.02 | 47.87 | 51.66 | 65.27 | 71.24 | 71.87 | 62.05 | 49.27 | 37.65 | 28.21 | 48.61 | ||||||||||||
2012 | 31.90 | 33.16 | 40.21 | 49.72 | 57.95 | 68.37 | 71.29 | 71.65 | a | 62.07 | 49.74 | 39.02 | 29.84 | 50.41 | ||||||||||||
2013 | 26.84 | 34.43 | 44.27 | 46.38 | 55.87 | 68.03 | 72.11 | 69.53 | 62.58 | 46.19 | 38.83 | 28.82 | 49.49 | |||||||||||||
2014 | 30.68 | 36.31 | a | 40.88 | c | 46.28 | 54.35 | 67.28 | 73.29 | 67.27 | 64.57 | 52.97 | 39.27 | 32.58 | 50.48 | |||||||||||
2015 | 33.65 | 39.11 | 44.47 | 47.27 | 53.10 | 66.95 | 69.40 | 70.18 | 63.98 | 53.03 | 36.98 | 28.05 | 50.51 | |||||||||||||
2016 | 29.90 | 35.43 | 41.11 | 46.90 | 54.95 | 70.40 | 73.23 | 66.95 | 60.45 | 53.31 | 40.03 | 33.28 | a | 50.50 | ||||||||||||
2017 | 32.39 | 39.07 | 43.89 | 47.07 | 54.37 | 68.90 | a | 72.42 | 68.63 | 62.40 | 51.03 | 44.74 | a | 32.24 | 51.43 | |||||||||||
2018 | 32.08 | 34.79 | 40.34 | 50.91 | b | 58.27 | 68.41 | b | 72.89 | 70.44 | 63.28 | 48.60 | 34.12 | 28.29 | 50.20 | |||||||||||
2019 | 28.19 | 30.30 | 42.48 | 48.88 | 51.00 | 64.78 | 73.02 | 72.47 | 64.82 | 46.05 | 39.10 | 30.48 | 49.30 | |||||||||||||
2020 | 30.85 | 34.76 | 42.69 | 48.52 | 59.48 | 68.55 | 72.65 | 73.60 | 62.47 | 51.63 | 41.45 | 27.27 | 51.16 | |||||||||||||
2021 | 27.66 | 33.32 | 37.73 | 48.43 | 57.69 | 69.85 | 73.92 | 70.42 | 64.03 | 49.31 | 41.95 | 34.82 | 50.76 | |||||||||||||
2022 | 31.32 | 30.54 | 39.19 | 48.62 | 59.25 | a | 69.67 | 73.55 | 70.45 | 66.05 | 49.60 | 34.42 | 39.00 | v | 52.06 | a | ||||||||||
2023 | 28.40 | 32.04 | 38.66 | 46.57 | 56.26 | 62.07 | 75.68 | 71.10 | 63.08 | 51.98 | 40.00 | 33.13 | 49.91 | |||||||||||||
2024 | 27.08 | e | 36.74 | 40.05 | 47.12 | 50.91 | t | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.75 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.13 | 33.76 | 39.72 | 46.59 | 55.39 | 65.43 | 71.21 | 69.16 | 61.74 | 49.43 | 37.64 | 29.46 | 49.07 | |||||||||||||
S.D. | 3.25 | 2.62 | 2.47 | 2.67 | 2.43 | 2.74 | 1.81 | 1.69 | 2.18 | 2.34 | 2.68 | 3.26 | 1.15 | |||||||||||||
SKEW | 0.01 | 0.12 | 0.30 | -0.30 | -0.08 | -0.21 | -0.10 | 0.30 | -0.41 | 0.10 | -0.32 | -0.32 | -0.20 | |||||||||||||
MAX | 35.61 | 39.11 | 44.74 | 52.23 | 60.27 | 70.40 | 75.68 | 73.60 | 66.05 | 53.76 | 44.74 | 36.73 | 51.43 | |||||||||||||
MIN | 22.79 | 28.75 | 35.56 | 40.93 | 50.19 | 59.43 | 67.06 | 66.37 | 56.70 | 44.95 | 30.93 | 20.27 | 45.99 | |||||||||||||
YRS | 51 | 52 | 52 | 52 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 50 | 49 |