YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.53 | 58.48 | 41.40 | 24.27 | a | 48.42 | h | |||
1945 | 18.97 | a | 26.96 | 46.87 | 53.13 | 61.63 | a | 68.50 | 78.81 | ----- | z | 69.34 | a | 56.55 | 41.90 | a | 22.00 | 49.51 | a | |||||||
1946 | 26.57 | c | 26.71 | 50.26 | 61.37 | 69.76 | b | 80.53 | 85.30 | a | 80.06 | 73.07 | 65.71 | 43.40 | ----- | z | 60.25 | a | ||||||||
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.94 | m | 26.45 | 26.45 | k | |
1948 | 20.03 | 25.62 | 38.42 | 62.00 | 69.81 | 78.23 | 84.87 | 83.45 | 79.73 | 61.87 | a | 41.93 | 28.26 | 56.19 | ||||||||||||
1949 | 25.26 | 25.25 | 37.32 | 58.20 | 74.10 | j | 82.85 | c | 85.77 | 85.19 | 69.93 | 62.03 | 42.77 | 27.61 | 54.75 | a | ||||||||||
1950 | 21.07 | c | 24.75 | 30.06 | 43.70 | 65.29 | 76.87 | 79.10 | 76.55 | 70.27 | 63.29 | 35.83 | 19.77 | 50.55 | ||||||||||||
1951 | 18.42 | 25.21 | 30.45 | 49.67 | 71.65 | 73.17 | 79.19 | 74.52 | 65.13 | 55.71 | 32.57 | 22.97 | 49.89 | |||||||||||||
1952 | 23.68 | 29.46 | a | 32.70 | a | 60.37 | 67.81 | 77.57 | 82.26 | 76.71 | 72.83 | a | 54.29 | 42.87 | 28.67 | a | 54.10 | |||||||||
1953 | 25.47 | a | 24.64 | 36.94 | 48.69 | a | 69.63 | l | 78.83 | 80.60 | a | 81.10 | 72.63 | 67.71 | 47.73 | 29.13 | 53.95 | a | ||||||||
1954 | 19.97 | 37.46 | 36.10 | 57.20 | 61.23 | 78.83 | 80.06 | 78.19 | 67.43 | 54.23 | 43.30 | 28.32 | 53.53 | |||||||||||||
1955 | 21.58 | 24.14 | 35.48 | 62.90 | 72.37 | a | 75.60 | 86.13 | 83.57 | c | 72.93 | 59.29 | 34.33 | 20.97 | a | 54.11 | ||||||||||
1956 | 23.83 | b | 25.28 | 34.06 | 51.48 | e | 69.22 | d | 80.57 | 77.00 | b | 78.81 | 69.40 | 66.71 | 40.30 | 29.55 | 53.85 | |||||||||
1957 | 17.55 | 28.43 | 39.23 | 56.07 | b | 67.10 | 76.10 | 84.42 | 79.26 | 68.43 | 55.87 | 38.54 | b | 30.23 | 53.43 | |||||||||||
1958 | 26.03 | 22.64 | 40.13 | 57.77 | 69.63 | a | 72.63 | 79.88 | n | 79.61 | 71.63 | 61.13 | a | 42.87 | 21.45 | 51.41 | a | |||||||||
1959 | 18.43 | a | 24.00 | 40.35 | 57.03 | 70.30 | h | 78.93 | b | 82.03 | b | 81.48 | 71.63 | 51.26 | 32.54 | b | 34.39 | 52.01 | a | |||||||
1960 | 24.39 | 28.28 | 32.87 | 57.20 | 67.65 | 74.77 | 81.92 | g | 79.90 | a | 71.70 | 59.65 | 43.70 | 26.81 | 51.54 | a | ||||||||||
1961 | 24.19 | 35.79 | 42.23 | 50.83 | 67.65 | 79.53 | 81.58 | 82.29 | 68.70 | 60.32 | 40.10 | 24.10 | 54.78 | |||||||||||||
1962 | 17.84 | 22.46 | 37.45 | 54.17 | 70.26 | 75.72 | a | 79.33 | g | 80.13 | 67.73 | 60.84 | 41.80 | 27.45 | 50.53 | a | ||||||||||
1963 | 12.45 | b | 23.25 | 43.39 | 59.77 | 65.83 | b | 81.14 | a | 85.32 | 78.94 | 72.53 | 69.07 | a | 46.33 | 18.13 | 54.68 | |||||||||
1964 | 29.19 | 33.93 | a | 37.06 | 57.90 | 74.90 | b | 81.85 | j | 88.52 | 80.87 | 68.25 | b | 57.35 | 43.60 | 22.29 | 53.99 | a | ||||||||
1965 | 19.87 | 23.14 | 30.32 | 50.43 | 72.61 | 76.70 | 80.16 | 78.00 | 62.36 | b | 60.71 | 40.67 | 32.23 | 52.27 | ||||||||||||
1966 | 14.42 | 27.64 | 43.48 | 52.03 | 67.63 | a | 78.86 | i | 87.00 | 78.71 | 73.21 | a | 59.13 | 39.43 | 26.35 | 51.73 | a | |||||||||
1967 | 25.52 | 21.86 | 39.45 | 55.73 | 64.61 | 77.37 | 81.00 | 79.76 | j | 73.03 | 56.48 | 37.70 | 30.06 | 51.17 | a | |||||||||||
1968 | 23.39 | 25.41 | 51.03 | a | 60.63 | 65.48 | 76.97 | 80.77 | a | 81.29 | 70.47 | 59.84 | 40.90 | 25.90 | 55.17 | |||||||||||
1969 | 19.42 | 30.64 | 35.90 | 59.23 | 71.19 | 70.00 | 81.52 | 86.19 | 73.57 | 54.06 | 41.17 | 28.16 | 54.26 | |||||||||||||
1970 | 15.90 | 28.57 | 36.77 | a | 57.23 | 68.29 | 79.93 | 85.84 | 82.97 | 70.83 | 58.81 | 38.67 | 27.10 | 54.24 | ||||||||||||
1971 | 16.32 | 26.43 | 35.84 | 59.03 | 67.68 | 82.77 | 80.13 | 80.00 | 72.57 | 62.84 | 41.47 | 26.97 | 54.34 | |||||||||||||
1972 | 18.16 | 23.52 | 35.10 | 52.50 | 74.87 | 78.73 | 79.96 | e | 80.76 | f | 69.00 | 53.84 | 37.67 | 21.13 | 49.50 | a | ||||||||||
1973 | 25.65 | 30.14 | 48.77 | 54.21 | a | 64.77 | 78.93 | 83.50 | a | 82.00 | 68.50 | 63.61 | 40.79 | b | 24.39 | 55.44 | ||||||||||
1974 | 21.58 | 26.89 | 37.52 | 57.73 | 65.35 | 75.67 | 87.52 | 79.35 | 67.86 | a | 59.32 | 42.31 | a | 31.26 | 54.36 | |||||||||||
1975 | 24.29 | 26.50 | 33.10 | 48.37 | 71.90 | 76.77 | 85.06 | 80.23 | 67.33 | 64.35 | 47.67 | 26.97 | 54.38 | |||||||||||||
1976 | 22.23 | 35.41 | 41.26 | 61.83 | 69.42 | 82.60 | 86.97 | 82.94 | 73.47 | 54.48 | 35.27 | 18.13 | 55.33 | |||||||||||||
1977 | 9.23 | 28.29 | 44.61 | 63.83 | 78.55 | 75.57 | 82.23 | 75.58 | 67.83 | 57.10 | 38.47 | 21.48 | 53.56 | |||||||||||||
1978 | 16.45 | 21.82 | 38.23 | 54.37 | 71.29 | 75.23 | 75.81 | 77.97 | 73.87 | 55.71 | 37.50 | 19.39 | 51.47 | |||||||||||||
1979 | 9.32 | 17.93 | 33.90 | 49.77 | 63.00 | 73.00 | 78.65 | 74.84 | 73.83 | 56.81 | 40.07 | 34.26 | 50.45 | |||||||||||||
1980 | 22.58 | 25.59 | 36.00 | 61.70 | 75.06 | 78.17 | 84.55 | 79.55 | 69.77 | 54.77 | 44.43 | 26.74 | 54.91 | |||||||||||||
1981 | 28.65 | 31.68 | 45.65 | 59.03 | 68.39 | 76.90 | 80.39 | 78.35 | 69.77 | 55.71 | 46.57 | 25.55 | 55.55 | |||||||||||||
1982 | 14.39 | 26.07 | 36.61 | 52.93 | 73.65 | 73.20 | 83.29 | 79.42 | 68.17 | 58.68 | 38.67 | 32.13 | 53.10 | |||||||||||||
1983 | 27.16 | 32.89 | 40.23 | 52.20 | 63.84 | 78.90 | 85.90 | 83.74 | 71.50 | 57.81 | 40.37 | 14.74 | 54.11 | |||||||||||||
1984 | 22.06 | 36.38 | 35.55 | 59.23 | 66.74 | 78.83 | 83.06 | 83.97 | 70.30 | 61.81 | 42.73 | 27.90 | 55.71 | |||||||||||||
1985 | 20.19 | 25.46 | 47.32 | 64.07 | 76.03 | 76.20 | 83.68 | 78.84 | 70.04 | b | 59.32 | 34.13 | 17.57 | a | 54.40 | |||||||||||
1986 | 24.97 | a | 24.70 | a | 46.03 | a | 63.27 | 72.53 | a | 80.50 | b | 84.28 | b | 78.07 | b | 70.30 | 58.84 | 38.73 | 29.71 | 55.99 | ||||||
1987 | 29.70 | a | 39.75 | 48.48 | 68.52 | a | 75.55 | 84.63 | 86.68 | 79.84 | 75.07 | 53.71 | 45.80 | 31.26 | 59.92 | |||||||||||
1988 | 20.45 | 24.52 | 42.79 | b | 60.57 | 79.97 | 87.76 | a | 92.23 | 87.48 | 74.43 | 53.87 | a | 42.50 | 28.55 | 57.93 | ||||||||||
1989 | 31.03 | 21.52 | a | 35.74 | 56.41 | a | 70.35 | 77.50 | 86.13 | 82.13 | 74.00 | 63.16 | 37.53 | 19.39 | 54.58 | |||||||||||
1990 | 34.55 | 32.75 | 46.10 | 61.00 | 67.68 | 79.07 | a | 83.61 | 81.87 | 74.17 | 60.45 | 49.00 | 26.61 | 58.07 | ||||||||||||
1991 | 21.26 | 35.25 | 44.32 | 62.23 | 71.81 | 83.20 | 82.32 | 82.00 | 67.13 | 55.45 | 31.47 | 27.58 | 55.34 | |||||||||||||
1992 | 27.07 | a | 32.83 | 39.16 | 49.70 | 71.35 | 74.87 | 74.84 | 76.71 | 68.63 | 56.71 | 36.60 | 27.74 | 53.02 | ||||||||||||
1993 | 23.07 | a | 25.11 | 39.10 | 50.87 | 65.23 | 72.40 | 78.00 | 79.52 | 62.77 | 55.32 | 37.13 | 26.32 | 51.24 | ||||||||||||
1994 | 11.94 | 20.36 | 41.16 | 54.57 | 70.35 | 79.97 | 78.74 | 77.19 | 72.63 | 59.71 | 44.40 | 30.55 | 53.46 | |||||||||||||
1995 | 22.65 | 25.89 | 39.90 | 47.80 | 66.58 | 83.57 | 81.94 | 82.19 | 70.07 | 56.19 | 31.30 | 23.06 | 52.60 | |||||||||||||
1996 | 18.16 | 23.72 | 31.13 | 50.17 | 63.87 | 76.63 | 78.84 | 81.77 | 71.10 | 58.23 | 31.33 | 22.42 | 50.61 | |||||||||||||
1997 | 17.42 | 29.39 | 36.26 | 54.57 | 62.35 | 80.47 | 79.40 | a | 76.48 | 72.00 | 58.42 | 35.70 | 33.03 | 52.96 | ||||||||||||
1998 | 25.13 | 38.82 | 38.47 | a | 60.72 | a | 76.13 | 74.37 | 82.32 | 80.65 | 77.60 | 57.94 | 43.83 | 32.48 | 57.37 | |||||||||||
1999 | 17.55 | 33.18 | 41.68 | 57.53 | 70.07 | a | 76.77 | 84.19 | 77.42 | 70.10 | 57.50 | a | 48.93 | 30.00 | 55.41 | |||||||||||
2000 | 21.13 | 32.97 | 48.68 | ----- | z | 69.39 | 74.47 | 80.82 | t | 78.97 | 69.20 | 61.00 | 37.80 | 13.97 | a | 50.76 | b | |||||||||
2001 | 26.23 | 20.44 | a | 35.77 | 57.10 | 67.90 | 75.87 | 82.84 | 81.65 | 68.13 | 55.61 | 52.33 | 33.50 | a | 54.78 | |||||||||||
2002 | 29.48 | 33.32 | 30.65 | 52.67 | 63.19 | 77.93 | 84.71 | 78.45 | 72.00 | 48.70 | a | 38.27 | 30.23 | 53.30 | ||||||||||||
2003 | 20.45 | 22.29 | 38.00 | 54.70 | 67.26 | 75.50 | 80.61 | 83.84 | 71.63 | 57.71 | 38.00 | 29.74 | 53.31 | |||||||||||||
2004 | 16.29 | 27.34 | 39.35 | 58.13 | 64.68 | 73.53 | 79.74 | 73.00 | 75.23 | 58.00 | 45.10 | 27.52 | 53.16 | |||||||||||||
2005 | 20.74 | 31.29 | 36.77 | 62.00 | 64.65 | 80.40 | 84.13 | 79.97 | 75.31 | a | 60.71 | 43.07 | 23.45 | 55.21 | ||||||||||||
2006 | 32.94 | 25.25 | 39.58 | 62.10 | 68.84 | 79.67 | 88.26 | 80.29 | 66.80 | 52.90 | 42.67 | 32.52 | 55.98 | |||||||||||||
2007 | 25.68 | 18.36 | 43.45 | 55.13 | 72.35 | 81.30 | 82.71 | 79.65 | 72.93 | 60.87 | 40.20 | 22.10 | 54.56 | |||||||||||||
2008 | 19.39 | 20.21 | 33.90 | a | 51.53 | 65.16 | 75.97 | 81.68 | 79.52 | 72.03 | 57.06 | 41.03 | 21.94 | 51.62 | ||||||||||||
2009 | 14.42 | 28.04 | 39.55 | 55.17 | 67.87 | 75.33 | 75.87 | 76.97 | 75.03 | 48.52 | 48.50 | 23.81 | 52.42 | |||||||||||||
2010 | 20.10 | 27.50 | 49.32 | 64.23 | 69.32 | 75.27 | 82.19 | 81.97 | 67.13 | 61.10 | 41.37 | 21.06 | 55.05 | |||||||||||||
2011 | 17.26 | 24.93 | 36.32 | 51.43 | 64.46 | c | 76.03 | 84.97 | 79.94 | 68.07 | 61.68 | 44.28 | a | 30.90 | 53.36 | |||||||||||
2012 | 27.63 | a | 33.28 | 54.63 | a | 57.07 | 74.03 | 80.23 | 87.61 | 81.10 | b | 74.13 | 54.94 | 43.53 | 30.74 | 58.24 | ||||||||||
2013 | 22.81 | 24.11 | 31.87 | 44.40 | 65.35 | 74.60 | 81.97 | 81.68 | 74.93 | 55.65 | 37.70 | 18.19 | 51.10 | |||||||||||||
2014 | 14.81 | 15.21 | 29.48 | 48.27 | 66.35 | 78.23 | 77.94 | 78.77 | 68.97 | 55.35 | 31.27 | 28.32 | 49.41 | |||||||||||||
2015 | 21.35 | 16.04 | 41.26 | 57.40 | 68.58 | 75.77 | 80.48 | 75.58 | 74.47 | 58.65 | 47.57 | 35.06 | 54.35 | |||||||||||||
2016 | 21.03 | 28.79 | 46.26 | 54.70 | 69.42 | 77.93 | 81.00 | 79.68 | 71.55 | a | 59.77 | 50.33 | 25.57 | a | 55.50 | |||||||||||
2017 | 23.77 | 34.89 | 38.19 | 56.57 | 64.83 | a | 77.80 | 81.48 | 74.77 | 73.67 | 59.03 | 37.50 | 22.94 | 53.79 | ||||||||||||
2018 | 20.77 | 23.33 | a | 39.06 | 43.83 | 76.58 | 78.20 | 82.26 | 80.13 | 71.13 | 51.06 | 32.20 | 29.68 | 52.35 | ||||||||||||
2019 | 20.29 | 19.68 | 34.35 | 53.63 | 62.93 | a | 76.90 | 82.45 | 77.84 | 71.37 | 51.74 | 33.27 | 28.16 | 51.05 | ||||||||||||
2020 | 25.94 | 27.69 | 41.42 | 51.25 | b | 65.65 | 79.07 | 83.93 | a | 80.19 | 68.43 | 49.71 | 46.50 | 31.26 | 54.25 | |||||||||||
2021 | 25.87 | 18.22 | a | 48.45 | 55.67 | 67.03 | 84.37 | 82.13 | a | 80.10 | 72.77 | 62.87 | 42.23 | 29.68 | 55.78 | |||||||||||
2022 | 16.32 | 22.00 | 36.06 | 47.14 | b | 68.68 | 78.40 | 81.68 | 78.00 | 70.39 | b | 57.74 | 41.70 | 22.35 | 51.71 | |||||||||||
2023 | 25.54 | c | 27.18 | 35.71 | 51.93 | 70.71 | 81.63 | 81.52 | 80.19 | 73.60 | 57.52 | 42.53 | 37.52 | 55.46 | ||||||||||||
2024 | 24.74 | 40.24 | 45.07 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.68 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.67 | 27.05 | 39.39 | 55.71 | 68.82 | 77.75 | 82.48 | 79.87 | 71.00 | 58.10 | 40.73 | 26.46 | 54.04 | |||||||||||||
S.D. | 5.04 | 5.48 | 5.55 | 5.21 | 4.09 | 3.35 | 3.23 | 2.69 | 3.03 | 4.04 | 4.75 | 4.89 | 2.05 | |||||||||||||
SKEW | -0.07 | 0.36 | 0.48 | -0.16 | 0.48 | 0.16 | 0.16 | 0.11 | -0.16 | 0.10 | -0.08 | -0.33 | 0.11 | |||||||||||||
MAX | 34.55 | 40.24 | 54.63 | 68.52 | 79.97 | 87.76 | 92.23 | 87.48 | 79.73 | 69.07 | 52.33 | 37.52 | 59.92 | |||||||||||||
MIN | 9.23 | 15.21 | 29.48 | 43.70 | 61.23 | 68.50 | 74.84 | 73.00 | 62.36 | 48.52 | 31.27 | 13.97 | 49.41 | |||||||||||||
YRS | 79 | 79 | 79 | 77 | 75 | 76 | 74 | 75 | 79 | 79 | 79 | 79 | 65 |