YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.08 | 41.25 | 31.71 | 42.01 | i | |||
1989 | 32.69 | 26.59 | 46.84 | b | 52.33 | a | 60.35 | a | 64.10 | a | 70.85 | 70.24 | 60.72 | 51.37 | 41.93 | a | 26.26 | 50.36 | ||||||||
1990 | 30.71 | 32.14 | 39.08 | 50.38 | 56.30 | a | 71.93 | 70.05 | 67.79 | 64.77 | 50.79 | 42.30 | 26.48 | 50.23 | ||||||||||||
1991 | 27.89 | 37.57 | 41.47 | a | 48.42 | 60.11 | 67.87 | 70.32 | 69.23 | 60.57 | 50.76 | 34.07 | 32.37 | 50.05 | ||||||||||||
1992 | 31.61 | 37.21 | 43.53 | 52.60 | 58.71 | 62.98 | a | 70.27 | 67.45 | 62.65 | 52.65 | 33.13 | 30.16 | 50.25 | ||||||||||||
1993 | 29.40 | 31.29 | 40.53 | 47.74 | a | 57.98 | 67.22 | a | 72.67 | a | 69.23 | 59.82 | 48.39 | 34.98 | 33.34 | 49.38 | ||||||||||
1994 | 32.66 | b | 33.12 | 43.11 | 48.98 | 60.21 | 70.93 | 71.48 | 71.27 | 62.75 | 51.47 | 39.08 | 36.03 | 51.76 | ||||||||||||
1995 | 32.26 | 39.29 | 40.66 | 45.34 | a | 53.52 | 64.26 | a | 70.27 | 73.32 | 62.95 | a | 50.63 | 42.33 | 33.76 | 50.72 | ||||||||||
1996 | 29.53 | a | 35.53 | 36.97 | 49.95 | a | 64.92 | g | 69.59 | a | 71.98 | 69.19 | 59.87 | 50.90 | a | 41.18 | 33.56 | 49.84 | a | |||||||
1997 | 29.65 | 32.61 | 45.00 | 43.09 | a | 58.19 | 66.43 | 72.81 | 69.30 | a | 63.83 | 52.20 | d | 35.93 | 29.58 | 49.89 | ||||||||||
1998 | 34.37 | 35.84 | 38.26 | 45.74 | a | 61.65 | a | 67.17 | 72.69 | 68.87 | 67.28 | 53.35 | 42.47 | a | 31.18 | 51.57 | ||||||||||
1999 | 33.95 | 40.07 | 41.28 | b | 47.55 | a | 56.79 | c | 66.13 | 72.69 | 70.84 | 60.32 | 50.52 | 44.53 | a | 32.74 | 51.45 | |||||||||
2000 | 32.90 | a | 40.73 | a | 42.70 | a | 49.86 | a | 60.63 | 67.39 | c | 72.83 | a | 72.82 | a | 64.96 | b | 51.65 | a | 33.15 | 30.53 | 51.68 | ||||
2001 | 27.45 | b | 33.64 | 39.84 | 51.53 | a | 58.05 | 68.10 | 74.44 | 69.97 | 62.97 | 51.48 | 43.40 | 32.48 | a | 51.11 | ||||||||||
2002 | 30.73 | 31.82 | 37.62 | a | 52.81 | a | 60.08 | a | 73.27 | 72.28 | a | 71.21 | 62.69 | a | 46.22 | a | 38.14 | b | 31.73 | 50.72 | ||||||
2003 | 34.35 | 31.43 | 42.66 | 51.23 | 59.69 | 63.50 | 75.45 | 71.88 | k | 59.93 | c | 55.02 | 40.87 | 35.24 | 49.94 | a | ||||||||||
2004 | 34.13 | 32.07 | 45.69 | 49.60 | a | 61.42 | 65.42 | 71.11 | i | 66.60 | a | 63.08 | 52.60 | 37.78 | 33.66 | b | 49.28 | a | ||||||||
2005 | 35.22 | a | 36.11 | 40.21 | 47.58 | 57.61 | 66.25 | 72.15 | 68.94 | 65.53 | a | 52.00 | 42.26 | a | 30.60 | 51.20 | ||||||||||
2006 | 35.08 | 33.15 | a | 41.52 | a | 54.60 | d | 62.78 | d | 70.60 | a | 74.06 | 70.87 | a | 59.45 | a | 52.63 | a | 46.44 | d | 33.97 | a | 52.93 | |||
2007 | 23.94 | 31.20 | a | 46.25 | a | 45.66 | b | 58.26 | 65.62 | 71.15 | 73.24 | 65.10 | a | 53.02 | a | 41.52 | a | 28.02 | c | 50.25 | ||||||
2008 | 29.09 | b | 33.03 | 40.34 | 47.91 | a | 58.68 | a | 69.59 | a | 72.55 | a | 70.74 | 63.88 | 54.84 | 46.82 | 36.31 | 51.98 | ||||||||
2009 | 39.47 | 42.98 | 46.20 | a | 50.87 | 61.39 | 68.43 | 75.07 | c | 70.12 | g | 61.68 | 47.52 | 45.40 | 29.73 | 51.70 | a | |||||||||
2010 | 34.71 | 31.88 | 42.18 | 52.68 | 59.05 | 72.74 | a | 74.19 | 72.65 | d | 67.30 | 54.94 | 41.93 | 38.02 | 53.52 | |||||||||||
2011 | 33.66 | 32.21 | 46.56 | 53.17 | 59.08 | 72.64 | a | 77.88 | e | 75.97 | b | 63.67 | 54.53 | b | 44.28 | 30.53 | 53.68 | |||||||||
2012 | 38.45 | a | 36.03 | 48.73 | a | 56.09 | b | 61.60 | 74.12 | e | 76.13 | 73.52 | e | 64.84 | a | 52.10 | 46.85 | 35.57 | a | 55.34 | ||||||
2013 | 33.13 | a | 34.41 | 42.89 | 46.25 | 60.80 | c | 74.00 | d | 72.06 | e | 71.67 | e | 66.35 | g | 53.39 | 43.57 | 37.08 | 51.75 | a | ||||||
2014 | 37.48 | 38.88 | 45.76 | 52.15 | 61.13 | 70.73 | 73.89 | 71.73 | 66.73 | 56.29 | 42.97 | 38.81 | 54.71 | |||||||||||||
2015 | 38.11 | 40.52 | 46.92 | 53.47 | 57.79 | 69.98 | 73.27 | 73.06 | 69.73 | 58.18 | 49.65 | m | 32.06 | v | 58.10 | b | ||||||||||
2016 | 38.02 | 43.21 | 47.23 | 52.05 | 58.24 | 71.13 | 75.45 | 71.11 | 66.38 | 59.05 | 47.83 | 35.73 | 55.45 | |||||||||||||
2017 | 37.32 | 46.43 | 51.76 | 53.35 | 58.00 | 70.17 | 73.79 | 68.52 | 64.77 | 54.60 | 48.40 | 39.47 | 55.55 | |||||||||||||
2018 | 38.56 | 39.98 | 48.69 | 50.80 | 66.79 | 72.82 | 74.24 | 71.02 | 66.10 | 52.82 | 42.07 | 38.81 | 55.23 | |||||||||||||
2019 | 39.57 | b | 38.95 | 43.73 | 53.28 | 57.11 | 67.35 | 74.03 | 74.65 | 70.88 | 48.18 | 43.73 | 39.58 | 54.25 | ||||||||||||
2020 | 38.68 | 37.95 | 48.68 | 51.47 | 64.42 | 72.82 | 75.42 | 74.84 | 63.93 | 53.32 | 48.37 | 37.82 | 55.64 | |||||||||||||
2021 | 38.31 | 28.93 | 41.45 | 47.87 | 59.45 | 69.90 | a | 73.87 | 73.06 | 69.50 | 55.73 | 46.48 | 39.92 | 53.71 | ||||||||||||
2022 | 32.16 | 30.05 | 40.44 | 52.45 | 62.26 | 70.22 | 76.26 | 71.58 | 67.40 | 53.03 | 36.70 | 31.11 | 51.97 | |||||||||||||
2023 | 30.71 | 32.66 | 37.63 | 48.62 | a | 60.10 | 64.73 | 72.94 | 72.39 | 65.65 | 52.31 | 42.25 | 34.76 | 51.23 | ||||||||||||
2024 | 27.82 | 39.10 | 41.89 | 49.11 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.27 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.44 | 35.52 | 43.17 | 50.21 | 59.65 | 68.86 | 73.22 | 71.12 | 64.17 | 52.54 | 41.84 | 33.62 | 52.27 | |||||||||||||
S.D. | 3.94 | 4.46 | 3.63 | 2.98 | 2.45 | 3.18 | 1.90 | 2.22 | 2.97 | 2.67 | 4.24 | 3.71 | 2.00 | |||||||||||||
SKEW | -0.21 | 0.37 | 0.31 | -0.36 | 0.43 | -0.10 | 0.26 | 0.07 | 0.29 | 0.04 | -0.50 | -0.02 | 0.45 | |||||||||||||
MAX | 39.57 | 46.43 | 51.76 | 56.09 | 66.79 | 74.12 | 77.88 | 75.97 | 70.88 | 59.05 | 48.40 | 39.92 | 55.64 | |||||||||||||
MIN | 23.94 | 26.59 | 36.97 | 43.09 | 53.52 | 62.98 | 70.05 | 66.60 | 59.45 | 46.22 | 33.13 | 26.26 | 49.38 | |||||||||||||
YRS | 36 | 36 | 36 | 35 | 34 | 35 | 34 | 33 | 34 | 36 | 35 | 35 | 29 |