YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.57 | o | 71.47 | o | 66.61 | l | 58.20 | o | 47.31 | o | 33.40 | t | 33.41 | t | ----- | z |
1974 | 25.73 | r | 34.17 | p | 37.32 | l | 42.31 | q | 51.66 | o | 66.44 | l | 67.42 | m | 68.06 | m | 61.97 | k | 48.43 | h | 36.65 | q | 30.18 | l | ----- | z |
1975 | 26.05 | k | 30.18 | n | 34.22 | f | 39.27 | q | 51.50 | s | 58.94 | m | 73.19 | j | 64.57 | i | 62.17 | j | 45.47 | m | 34.69 | l | 31.82 | n | ----- | z |
1976 | 27.22 | o | 30.53 | m | 33.13 | l | 43.41 | s | 53.75 | m | 57.46 | q | 69.63 | l | 61.53 | m | 62.32 | p | 49.62 | k | 39.53 | k | 30.61 | l | ----- | z |
1977 | 22.23 | r | 35.39 | j | 34.31 | j | 47.38 | m | 46.61 | m | 66.81 | i | 68.50 | j | 69.21 | j | 57.50 | o | 48.23 | k | 35.05 | i | 32.75 | i | ----- | z |
1978 | 29.36 | j | 32.05 | i | 42.74 | n | 44.78 | n | 49.64 | q | 59.92 | l | 68.44 | g | 63.43 | i | 55.38 | m | 50.59 | h | 31.08 | l | 22.94 | m | ----- | z |
1979 | 14.97 | p | 30.90 | g | 38.47 | m | 43.58 | l | 54.65 | n | 62.00 | m | 68.98 | g | 68.73 | i | 61.76 | k | 51.33 | e | 32.72 | n | 30.52 | i | 51.33 | k |
1980 | 26.74 | j | 35.35 | l | 36.52 | j | 45.20 | 50.84 | 54.13 | 65.73 | 61.03 | 55.58 | 44.47 | 35.77 | 29.00 | 49.08 | c | |||||||||
1981 | 30.11 | 29.20 | 37.53 | 44.60 | 49.11 | 56.57 | 64.15 | 66.50 | 55.52 | 42.29 | 35.57 | 29.05 | 45.02 | |||||||||||||
1982 | 17.61 | 24.68 | 35.27 | 39.03 | 49.10 | 57.75 | 64.84 | 64.29 | 52.92 | 43.48 | 29.02 | 22.77 | 41.73 | |||||||||||||
1983 | 28.73 | 33.32 | 39.13 | 40.82 | 51.55 | 54.98 | 61.08 | 64.61 | 53.83 | 47.19 | 35.62 | 21.65 | 44.38 | |||||||||||||
1984 | 16.98 | 23.09 | 35.82 | 40.70 | 49.92 | 54.43 | 66.95 | 64.90 | 52.70 | 39.69 | 33.60 | 18.95 | 41.48 | |||||||||||||
1985 | 16.81 | 22.95 | 31.31 | 46.27 | 51.05 | 59.08 | 70.69 | 61.37 | 48.90 | 41.71 | 20.92 | 11.90 | 40.25 | |||||||||||||
1986 | 27.39 | 33.54 | 42.24 | 42.57 | 51.74 | 63.13 | 61.58 | 69.23 | 50.80 | 46.85 | 36.30 | 26.68 | 46.00 | |||||||||||||
1987 | 19.76 | 32.62 | 38.76 | 48.93 | 54.11 | 61.02 | 63.19 | 65.13 | 60.50 | ----- | z | ----- | z | ----- | z | 49.34 | c | |||||||||
1988 | ----- | z | 32.57 | 37.47 | 45.03 | 50.61 | 60.62 | 68.69 | 64.50 | 55.85 | 52.79 | 33.03 | 22.18 | 47.58 | a | |||||||||||
1989 | 18.42 | 17.95 | 38.03 | 47.42 | 49.68 | 60.17 | 65.87 | 61.50 | 55.72 | 44.39 | 33.07 | 27.13 | 43.28 | |||||||||||||
1990 | 30.06 | 27.12 | 38.23 | ----- | z | 48.61 | 59.08 | 69.18 | 65.65 | 61.35 | 42.98 | 33.92 | 16.87 | 44.82 | a | |||||||||||
1991 | 25.60 | 37.25 | 35.50 | 40.25 | 47.74 | 54.42 | 68.35 | 66.98 | 59.15 | 44.98 | 35.50 | 28.76 | 45.37 | |||||||||||||
1992 | 27.71 | 37.10 | 41.81 | 46.57 | 57.24 | 62.40 | 64.65 | 66.03 | 55.90 | 47.40 | 30.08 | 19.77 | 46.39 | |||||||||||||
1993 | 14.81 | 18.38 | 33.37 | 41.70 | 54.34 | 54.37 | 56.66 | 60.31 | 56.30 | 46.55 | 27.18 | 28.52 | 41.04 | |||||||||||||
1994 | 31.84 | 29.02 | 39.71 | 44.43 | 53.39 | 58.57 | 69.92 | 66.18 | 58.62 | 43.21 | 26.07 | 22.77 | 45.31 | |||||||||||||
1995 | 30.11 | 40.28 | s | 37.79 | 41.45 | 51.48 | e | ----- | z | 64.48 | f | 60.44 | 56.35 | 41.34 | 38.53 | 28.37 | 42.87 | c | ||||||||
1996 | 26.85 | 29.74 | d | 38.95 | 42.37 | d | 48.39 | 57.92 | 68.77 | c | 64.56 | 52.78 | 44.42 | a | 35.87 | 29.65 | 45.02 | |||||||||
1997 | 27.52 | 31.62 | 39.00 | 41.75 | 54.74 | 57.33 | 64.02 | 64.65 | 56.78 | 43.31 | 36.28 | 24.56 | 45.13 | |||||||||||||
1998 | 31.53 | 29.64 | 37.82 | 42.88 | 48.08 | 55.82 | 68.90 | 66.82 | 60.08 | 42.42 | 34.87 | 22.85 | 45.14 | |||||||||||||
1999 | 28.00 | 25.86 | 33.95 | 40.97 | 48.23 | 57.18 | 62.50 | 63.50 | 54.23 | 45.15 | 39.28 | 26.39 | 43.77 | |||||||||||||
2000 | 27.21 | 34.91 | 36.87 | 47.40 | 51.52 | 59.77 | 65.76 | 65.29 | 54.27 | 44.44 | 28.62 | 24.18 | 45.02 | |||||||||||||
2001 | 19.71 | 23.98 | 38.18 | 39.88 | 53.45 | 56.95 | 65.18 | 68.31 | 58.37 | 45.40 | 34.33 | 22.48 | 43.85 | |||||||||||||
2002 | 22.90 | 23.73 | 33.31 | 43.55 | 49.87 | 60.50 | 70.11 | 61.29 | 55.60 | 40.98 | 34.28 | 29.68 | 43.82 | |||||||||||||
2003 | 33.13 | 30.82 | 40.02 | 40.08 | 51.58 | 60.72 | 71.42 | 66.29 | 58.47 | 48.92 | 31.10 | 30.16 | 46.89 | |||||||||||||
2004 | 22.55 | 23.60 | 40.26 | 46.50 | 50.34 | 60.32 | 68.31 | 66.23 | 54.25 | 45.69 | 34.95 | 30.39 | 45.28 | |||||||||||||
2005 | 23.24 | 29.82 | 40.31 | 43.47 | 52.90 | 55.33 | 68.24 | 66.89 | 54.48 | 45.92 | 34.13 | 21.76 | 44.71 | |||||||||||||
2006 | 26.44 | 25.71 | 34.74 | 44.58 | 54.50 | 62.50 | 72.52 | 64.55 | 56.87 | 44.05 | 35.67 | 25.34 | 45.62 | |||||||||||||
2007 | 24.27 | 32.79 | 40.97 | 43.03 | 52.89 | 59.72 | 72.15 | 65.27 | 54.25 | 42.45 | 34.35 | 20.37 | 45.21 | |||||||||||||
2008 | 16.81 | 24.31 | 31.69 | 37.83 | 51.50 | 57.47 | 67.61 | 65.24 | 56.50 | 45.58 | 37.63 | 22.50 | 42.89 | |||||||||||||
2009 | 28.35 | 28.50 | 35.53 | 41.28 | 53.27 | 58.82 | 68.40 | 65.03 | 59.78 | 41.15 | 31.78 | 20.37 | 44.36 | |||||||||||||
2010 | 30.52 | 31.98 | 36.85 | 40.52 | 46.19 | 57.43 | 65.69 | 62.76 | 56.47 | 49.11 | 31.33 | 23.77 | 44.39 | |||||||||||||
2011 | 20.00 | 24.55 | 34.79 | 38.83 | 46.66 | 54.92 | 64.35 | 66.19 | 61.00 | 44.84 | 31.38 | 24.98 | a | 42.71 | ||||||||||||
2012 | 28.05 | 32.02 | 38.40 | 44.83 | 50.74 | 56.47 | 69.90 | 67.84 | 60.03 | 44.24 | 36.42 | 25.44 | 46.20 | |||||||||||||
2013 | 16.06 | 30.71 | 37.92 | 43.00 | 52.21 | 60.28 | 71.71 | 66.19 | 56.90 | 41.26 | 34.70 | 19.21 | 44.18 | |||||||||||||
2014 | 30.10 | 33.62 | 39.45 | 43.42 | 51.76 | 58.90 | 70.98 | 66.34 | 58.09 | b | 48.61 | 32.47 | 32.23 | 47.16 | ||||||||||||
2015 | 31.32 | 38.91 | a | 42.74 | 42.20 | 54.15 | 66.85 | 67.52 | 66.55 | 56.53 | 51.32 | 27.43 | 24.08 | 47.47 | ||||||||||||
2016 | 22.14 | c | 31.37 | b | 40.74 | 48.41 | a | 51.76 | 60.63 | 65.06 | 65.73 | 54.52 | 45.18 | 38.58 | 18.21 | b | 45.19 | |||||||||
2017 | 11.08 | 27.34 | 39.13 | 41.65 | 51.32 | 59.45 | 70.42 | 68.36 | b | 56.33 | 40.76 | 35.10 | 21.79 | 43.56 | ||||||||||||
2018 | 31.47 | 29.23 | 36.45 | 43.50 | 55.35 | 58.58 | 68.63 | 65.18 | 53.98 | 42.68 | 30.40 | 23.89 | 44.95 | |||||||||||||
2019 | 28.73 | 27.68 | 36.81 | 46.82 | 53.35 | 59.18 | 67.58 | 67.82 | 55.75 | 38.71 | 34.13 | 29.52 | 45.51 | |||||||||||||
2020 | 30.08 | 33.91 | 37.98 | 45.00 | 53.00 | 60.65 | 68.48 | 68.23 | 59.73 | 47.06 | 33.58 | 25.85 | 46.96 | |||||||||||||
2021 | 30.02 | 31.39 | 37.56 | 44.35 | 52.52 | 66.85 | 74.52 | 67.26 | 56.55 | 46.63 | 38.97 | 27.26 | 47.82 | |||||||||||||
2022 | 26.53 | 32.68 | 40.94 | 38.75 | 48.71 | 59.22 | 72.34 | 72.73 | 61.72 | 48.89 | 23.40 | 19.18 | 45.42 | |||||||||||||
2023 | 22.50 | 23.71 | 26.15 | 42.37 | 57.13 | 60.37 | 71.00 | 68.26 | 56.25 | 46.89 | 36.20 | 32.90 | 45.31 | |||||||||||||
2024 | 30.29 | b | 35.93 | 37.87 | 45.50 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.40 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.19 | 29.28 | 37.44 | 43.17 | 51.51 | 58.86 | 67.53 | 65.50 | 56.38 | 44.93 | 33.29 | 24.50 | 44.71 | |||||||||||||
S.D. | 5.61 | 4.88 | 3.16 | 2.73 | 2.55 | 2.94 | 3.57 | 2.48 | 2.78 | 3.15 | 4.02 | 4.47 | 1.71 | |||||||||||||
SKEW | -0.68 | -0.30 | -1.15 | 0.14 | 0.08 | 0.60 | -0.62 | -0.07 | -0.15 | 0.41 | -1.10 | -0.33 | -0.64 | |||||||||||||
MAX | 33.13 | 38.91 | 42.74 | 48.93 | 57.24 | 66.85 | 74.52 | 72.73 | 61.72 | 52.79 | 39.28 | 32.90 | 47.82 | |||||||||||||
MIN | 11.08 | 17.95 | 26.15 | 37.83 | 46.19 | 54.13 | 56.66 | 60.31 | 48.90 | 38.71 | 20.92 | 11.90 | 40.25 | |||||||||||||
YRS | 43 | 43 | 44 | 44 | 44 | 43 | 43 | 44 | 44 | 44 | 43 | 43 | 39 |