YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.50 | m | 39.93 | 24.59 | b | 32.26 | j | |
1951 | 24.39 | 28.68 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.10 | t | 56.81 | 36.83 | 29.55 | 35.25 | g | |||||
1952 | 30.03 | 34.52 | 36.35 | 56.47 | 64.58 | 76.13 | 78.29 | 76.58 | 70.07 | a | 57.18 | c | 46.23 | 36.03 | 55.21 | |||||||||||
1953 | 32.71 | 32.29 | 39.45 | 48.90 | 58.61 | 73.87 | 78.03 | 79.74 | 70.63 | 61.45 | 49.73 | 35.90 | 55.11 | |||||||||||||
1954 | 30.10 | 37.82 | 38.19 | 51.80 | 58.35 | 72.40 | 76.84 | 77.16 | 70.27 | 58.23 | 46.30 | 33.39 | 54.24 | |||||||||||||
1955 | 27.55 | 30.52 | a | 37.84 | 58.20 | 63.97 | 69.77 | 79.52 | 83.23 | 69.37 | 58.84 | 42.00 | d | 27.06 | m | 56.44 | a | |||||||||
1956 | 30.71 | 32.41 | 37.13 | 47.93 | 59.35 | 71.67 | 74.81 | 76.83 | a | 65.29 | b | 58.60 | a | 43.27 | 34.06 | 52.67 | ||||||||||
1957 | 22.19 | 32.71 | 38.81 | 50.38 | a | 59.55 | 70.34 | a | 78.52 | 77.84 | 68.67 | 58.10 | 42.63 | 35.71 | 52.95 | |||||||||||
1958 | 30.19 | 26.32 | 39.74 | 53.38 | a | 63.58 | 67.38 | a | 75.34 | b | 77.68 | 68.73 | 57.97 | a | 46.43 | 25.74 | 52.71 | |||||||||
1959 | 22.06 | 27.29 | 36.29 | 52.20 | 61.55 | 71.30 | 74.15 | d | 78.29 | 68.40 | 52.71 | 37.30 | 36.58 | 51.51 | ||||||||||||
1960 | 31.10 | 34.43 | v | 36.00 | h | 50.83 | 58.13 | 69.65 | j | 75.13 | 75.87 | 71.03 | 58.42 | 45.60 | 29.45 | 55.06 | c | |||||||||
1961 | 27.29 | 36.93 | 40.29 | 47.97 | 60.16 | 71.80 | 75.77 | 79.35 | 71.43 | 57.32 | 43.87 | 30.19 | 53.53 | |||||||||||||
1962 | 23.61 | 26.75 | 37.61 | 51.93 | 62.71 | 70.33 | 75.00 | 75.55 | 66.21 | a | 58.58 | 44.37 | 30.45 | 51.93 | ||||||||||||
1963 | 17.84 | 24.21 | 40.32 | 55.20 | 60.29 | 69.53 | 77.61 | 74.06 | 69.20 | 64.97 | 48.63 | 25.06 | 52.25 | |||||||||||||
1964 | 33.84 | 34.52 | 38.68 | 52.43 | ----- | z | 72.93 | 77.97 | 74.61 | 65.50 | 54.68 | 45.93 | 31.10 | 52.93 | a | |||||||||||
1965 | 27.35 | 29.07 | 33.29 | 47.27 | 59.03 | 69.37 | 74.74 | 75.52 | 65.03 | 57.35 | 45.53 | 37.55 | 51.76 | |||||||||||||
1966 | 22.97 | 29.93 | 41.00 | 48.93 | 58.29 | 70.57 | 79.65 | 75.97 | 70.63 | 56.06 | 42.40 | 32.16 | 52.38 | |||||||||||||
1967 | 31.87 | 27.36 | 37.71 | 50.43 | 56.94 | 69.80 | 73.90 | 73.00 | 68.27 | 55.81 | 40.07 | 33.23 | 51.53 | |||||||||||||
1968 | 28.58 | 28.21 | 44.39 | 50.83 | 58.71 | 68.63 | 72.90 | 75.30 | a | 69.73 | 56.03 | 44.97 | 32.48 | 52.56 | ||||||||||||
1969 | 25.23 | 33.21 | 37.48 | 49.90 | 60.10 | 63.53 | 73.73 | a | 78.32 | 70.07 | 54.77 | 42.10 | 32.84 | 51.77 | ||||||||||||
1970 | 21.77 | 30.96 | 37.68 | 51.50 | 59.90 | 71.60 | 77.23 | 78.77 | 67.53 | 56.29 | 43.93 | 32.42 | 52.47 | |||||||||||||
1971 | 23.16 | 28.00 | 35.03 | 48.20 | 59.94 | 69.43 | 74.65 | 72.84 | 69.43 | 62.03 | 43.90 | 35.06 | 51.81 | |||||||||||||
1972 | 25.65 | 28.07 | 35.32 | 46.00 | 62.13 | 66.73 | 72.84 | 73.10 | 66.77 | 54.81 | 42.13 | 29.42 | 50.25 | |||||||||||||
1973 | 30.97 | 32.29 | 44.29 | 46.57 | 59.06 | 71.20 | 76.74 | 76.23 | 68.83 | 61.29 | 43.70 | 31.29 | 53.54 | |||||||||||||
1974 | 27.84 | 29.43 | 38.55 | 49.17 | 57.48 | 65.97 | 76.57 | a | 73.48 | 65.03 | 55.19 | 44.03 | 35.45 | 51.52 | ||||||||||||
1975 | 31.13 | 30.71 | 36.61 | 46.10 | a | 63.03 | 70.60 | 79.23 | 76.26 | 66.30 | 59.19 | 46.93 | 33.00 | 53.26 | ||||||||||||
1976 | 25.48 | 35.45 | 40.68 | 50.23 | 60.29 | 75.70 | 81.37 | a | 74.10 | 70.70 | 54.74 | 38.70 | 24.35 | 52.65 | ||||||||||||
1977 | 16.39 | 31.18 | 44.03 | 53.73 | 66.26 | 68.03 | 76.23 | 71.26 | 66.73 | 55.90 | 42.67 | 28.58 | 51.75 | |||||||||||||
1978 | 22.74 | 24.43 | 36.97 | 49.47 | 58.84 | 66.50 | 69.94 | 72.29 | 70.55 | a | 55.23 | 42.07 | 28.00 | 49.75 | ||||||||||||
1979 | 16.87 | 22.08 | b | 36.26 | 45.47 | 56.19 | 67.37 | 75.84 | 74.35 | 71.17 | 54.58 | 42.90 | 37.77 | 50.07 | ||||||||||||
1980 | 28.35 | 28.76 | 36.58 | 52.80 | 63.84 | 69.53 | 74.97 | 75.94 | 68.80 | 54.55 | 44.50 | 31.23 | 52.49 | |||||||||||||
1981 | 27.13 | 32.07 | 43.29 | 52.57 | 58.29 | 72.53 | 74.32 | 74.58 | 68.63 | 53.35 | 46.23 | 32.97 | 53.00 | |||||||||||||
1982 | 21.45 | 28.21 | 37.45 | 47.50 | 62.55 | 66.47 | 74.10 | 75.32 | 64.87 | 57.13 | ----- | z | 38.23 | a | 52.12 | a | ||||||||||
1983 | 31.27 | a | 34.86 | 39.53 | a | 46.04 | b | 55.07 | a | 69.66 | a | 78.58 | 80.10 | 67.45 | a | 56.65 | 45.45 | a | 22.00 | a | 52.22 | |||||
1984 | 24.57 | a | 35.03 | 33.97 | 50.14 | a | 59.29 | 72.67 | c | 75.45 | 78.23 | 63.07 | a | 57.43 | a | 43.46 | d | 36.60 | f | 53.94 | a | |||||
1985 | 22.97 | b | 26.41 | a | 42.66 | b | 50.52 | a | 63.37 | a | 68.10 | 75.10 | b | 73.10 | 65.79 | a | 54.00 | a | 40.10 | a | 21.90 | a | 50.33 | |||
1986 | 27.16 | 27.19 | a | 39.77 | 52.59 | c | 63.27 | a | 67.17 | a | 74.77 | 73.16 | 66.53 | 55.55 | 39.77 | 31.90 | 51.57 | |||||||||
1987 | 30.23 | 36.75 | 42.81 | 51.52 | a | 61.38 | b | 76.30 | 75.42 | 74.70 | a | 67.67 | 53.00 | a | 44.47 | 35.39 | 54.13 | |||||||||
1988 | 24.19 | 26.59 | 40.06 | 50.83 | a | 64.58 | 75.79 | b | 77.00 | 78.07 | a | 67.00 | 50.94 | 42.75 | b | 31.00 | 52.40 | |||||||||
1989 | 35.45 | 23.50 | 33.26 | 46.17 | 57.32 | 65.27 | 74.48 | 75.67 | a | 66.33 | 53.23 | 39.67 | 20.16 | 49.21 | ||||||||||||
1990 | 35.48 | 32.43 | 39.29 | 47.47 | 56.32 | 67.53 | 72.74 | 72.26 | 68.63 | 54.29 | 47.23 | 32.10 | 52.15 | |||||||||||||
1991 | 24.35 | 33.07 | 39.65 | 50.80 | 59.58 | 71.07 | 74.87 | 76.52 | 64.97 | 53.10 | 37.23 | 33.29 | 51.54 | |||||||||||||
1992 | 29.84 | 33.83 | 37.16 | 43.40 | 59.10 | 65.30 | 70.13 | 70.06 | 60.93 | 52.77 | a | 39.27 | 32.97 | 49.56 | ||||||||||||
1993 | 28.52 | 27.75 | 36.65 | 46.10 | 57.65 | 65.53 | 73.26 | 75.42 | 61.32 | b | 53.00 | 40.93 | 31.81 | 49.83 | ||||||||||||
1994 | 17.58 | 22.75 | 38.32 | 50.57 | 57.71 | 67.40 | 72.87 | 70.19 | 69.17 | 56.71 | 45.17 | a | 36.42 | 50.41 | ||||||||||||
1995 | 27.93 | a | 28.00 | 37.87 | 46.41 | a | 58.00 | 71.73 | 74.19 | 77.68 | 65.50 | 54.29 | 35.43 | 26.87 | 50.33 | |||||||||||
1996 | 25.84 | 27.25 | a | 32.87 | a | 45.79 | a | 55.87 | 65.80 | 71.58 | 74.74 | 66.87 | 53.87 | 35.80 | 30.16 | 48.87 | ||||||||||
1997 | 24.90 | 30.32 | 36.23 | 47.00 | 54.90 | b | 68.13 | 72.29 | 71.70 | a | 67.90 | 54.23 | 39.39 | b | 35.06 | 50.17 | ||||||||||
1998 | 30.06 | 36.93 | 38.94 | 50.80 | 63.42 | 71.03 | 77.19 | 76.16 | 71.73 | 57.23 | a | 46.57 | 36.77 | 54.74 | ||||||||||||
1999 | 24.00 | 34.25 | 40.16 | 50.00 | 60.42 | 66.87 | 77.74 | 73.68 | 67.40 | 54.45 | 49.77 | 32.79 | b | 52.63 | ||||||||||||
2000 | 27.77 | 33.79 | 45.77 | a | 47.47 | 58.00 | 68.47 | 72.77 | 74.10 | 66.37 | 57.26 | 41.07 | 22.77 | 51.30 | ||||||||||||
2001 | 29.81 | 27.68 | 36.32 | 52.87 | 58.84 | 66.00 | 75.52 | 77.65 | 65.73 | 54.74 | 49.14 | a | 36.53 | a | 52.57 | |||||||||||
2002 | 33.90 | a | 35.75 | 34.81 | 47.10 | 54.84 | 67.87 | 78.52 | 74.84 | 69.77 | 51.97 | 41.63 | 33.48 | 52.04 | ||||||||||||
2003 | 24.71 | 24.96 | a | 35.35 | 45.66 | a | 58.50 | a | 65.63 | 72.94 | 76.00 | 66.13 | 54.52 | 42.57 | 34.77 | 50.15 | ||||||||||
2004 | 21.87 | 30.66 | 39.87 | 50.37 | 56.03 | 65.93 | a | 71.90 | ----- | z | 65.67 | o | 56.77 | 47.07 | 33.41 | b | 47.39 | b | ||||||||
2005 | 25.71 | 32.71 | 35.89 | c | 51.04 | b | 57.07 | a | 72.97 | 77.19 | 77.10 | 70.86 | b | 56.03 | 43.45 | a | 27.55 | 52.30 | ||||||||
2006 | 35.68 | 28.07 | 38.94 | 53.72 | a | 58.30 | a | 69.17 | 77.81 | 76.03 | 65.60 | 51.23 | 43.73 | 36.10 | a | 52.86 | ||||||||||
2007 | 30.97 | 21.82 | 41.97 | 47.33 | 60.13 | a | 70.03 | 75.10 | 75.94 | 67.00 | 58.19 | 43.40 | 29.39 | 51.77 | ||||||||||||
2008 | 25.50 | a | 24.93 | 34.35 | 47.43 | 57.81 | 68.83 | 74.10 | 76.94 | 68.67 | 54.90 | 41.21 | a | 27.03 | 50.14 | |||||||||||
2009 | 18.74 | 30.78 | a | 36.81 | 48.03 | 58.39 | 67.30 | 73.19 | 70.48 | 69.27 | 50.23 | 48.00 | 29.65 | 50.07 | ||||||||||||
2010 | 26.06 | 30.29 | 41.87 | 52.53 | 61.16 | 71.10 | 77.13 | 77.87 | 64.40 | 59.81 | 43.67 | 27.37 | a | 52.77 | ||||||||||||
2011 | 23.42 | 27.46 | 35.48 | 46.10 | 55.53 | a | 68.07 | a | 78.13 | 79.10 | 67.67 | 56.90 | 45.47 | 36.97 | 51.69 | |||||||||||
2012 | 32.39 | 35.90 | 47.18 | c | 49.55 | a | 62.48 | 72.45 | a | 81.42 | 76.84 | 69.03 | 53.74 | 43.30 | 36.63 | a | 55.08 | |||||||||
2013 | 29.16 | 27.75 | 33.00 | 44.23 | 57.87 | 65.52 | a | 74.03 | a | 74.84 | 69.73 | 57.20 | a | 40.43 | 24.65 | 49.87 | ||||||||||
2014 | 18.19 | 19.75 | 29.68 | 44.76 | a | 57.17 | a | 66.37 | 70.87 | 73.17 | a | 66.20 | 55.17 | b | 35.97 | a | 33.61 | 47.58 | ||||||||
2015 | 24.61 | 19.07 | 38.61 | 48.43 | 57.74 | 67.31 | a | 75.74 | 74.45 | 68.83 | 59.40 | a | 46.47 | 40.06 | 51.73 | |||||||||||
2016 | 27.29 | 32.45 | 40.48 | 45.57 | 60.65 | 72.24 | a | 76.55 | 78.83 | a | 73.07 | a | 59.83 | a | 51.31 | a | 31.23 | 54.12 | ||||||||
2017 | 29.26 | 36.43 | 36.90 | a | 52.00 | 57.03 | 72.97 | 75.00 | 74.61 | 70.80 | 59.00 | 42.73 | 27.90 | 52.89 | ||||||||||||
2018 | 26.42 | 28.14 | 36.71 | 41.53 | 63.84 | 69.97 | 76.45 | 77.94 | 69.40 | 53.35 | 37.23 | 34.71 | 51.31 | |||||||||||||
2019 | 24.77 | 26.61 | 34.35 | 47.73 | 54.81 | 65.63 | 74.97 | 74.77 | 67.50 | 54.81 | 37.00 | 34.23 | 49.77 | |||||||||||||
2020 | 32.45 | 30.72 | 39.58 | 45.47 | 57.52 | 70.53 | 78.84 | 76.16 | 66.70 | 51.61 | 47.07 | 34.68 | 52.61 | |||||||||||||
2021 | 30.19 | 22.75 | 43.39 | 49.40 | 58.15 | e | 71.83 | 77.10 | 76.77 | 70.80 | 61.94 | 44.57 | 37.29 | 53.68 | ||||||||||||
2022 | 23.84 | 29.21 | 37.42 | 44.17 | 58.71 | 68.50 | 76.16 | 74.77 | 69.30 | 54.97 | 44.03 | 31.00 | 51.01 | |||||||||||||
2023 | 31.81 | 32.75 | 37.00 | 50.30 | 59.48 | 70.33 | 77.26 | 76.58 | 69.73 | 58.52 | 44.83 | 39.71 | 54.03 | |||||||||||||
2024 | 28.00 | 39.00 | 43.55 | 51.82 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.85 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.83 | 29.87 | 38.36 | 49.21 | 59.42 | 69.46 | 75.59 | 75.64 | 67.95 | 56.10 | 43.20 | 31.88 | 51.91 | |||||||||||||
S.D. | 4.50 | 4.40 | 3.28 | 3.16 | 2.67 | 2.89 | 2.43 | 2.45 | 2.39 | 2.81 | 3.53 | 4.44 | 1.60 | |||||||||||||
SKEW | -0.25 | -0.19 | 0.29 | 0.21 | 0.46 | 0.35 | 0.02 | 0.05 | -0.54 | 0.50 | -0.23 | -0.60 | -0.13 | |||||||||||||
MAX | 35.68 | 39.00 | 47.18 | 58.20 | 66.26 | 76.30 | 81.42 | 83.23 | 73.07 | 64.97 | 51.31 | 40.06 | 55.21 | |||||||||||||
MIN | 16.39 | 19.07 | 29.68 | 41.53 | 54.81 | 63.53 | 69.94 | 70.06 | 60.93 | 50.23 | 35.43 | 20.16 | 47.58 | |||||||||||||
YRS | 74 | 73 | 72 | 72 | 71 | 71 | 72 | 71 | 71 | 73 | 73 | 72 | 66 |