YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.64 | t | 39.59 | a | 40.74 | 40.16 | j | |
1941 | 38.94 | 45.79 | 53.48 | 59.53 | 63.55 | 70.73 | 85.39 | 79.87 | a | 63.03 | 57.48 | 49.67 | 40.45 | b | 58.99 | |||||||||||
1942 | 28.48 | 38.07 | 47.45 | 59.67 | 59.42 | 66.60 | 81.55 | 84.29 | 74.53 | 62.42 | 40.80 | 37.00 | 56.69 | |||||||||||||
1943 | 30.24 | b | 41.00 | 43.26 | 57.70 | 58.81 | 65.43 | 79.68 | 78.58 | 77.30 | 60.40 | a | 45.50 | 34.65 | 56.05 | |||||||||||
1944 | 37.71 | 36.93 | 42.55 | 56.20 | 65.58 | 69.63 | 81.68 | 78.90 | 75.53 | 70.63 | a | 42.63 | 32.68 | 57.56 | ||||||||||||
1945 | 37.40 | a | 40.50 | 43.10 | a | 51.93 | a | 64.94 | 68.50 | 83.77 | 83.48 | 66.90 | 63.06 | 41.70 | 35.16 | 56.70 | ||||||||||
1946 | 36.57 | a | 39.04 | 46.65 | 57.67 | 67.10 | 69.07 | 81.19 | 83.13 | 69.69 | a | 52.77 | a | 41.62 | a | 38.79 | c | 56.94 | ||||||||
1947 | 31.84 | 43.54 | 51.32 | 56.93 | 72.03 | 67.73 | 81.13 | 78.77 | 71.66 | a | 57.39 | 40.97 | 37.50 | a | 57.57 | |||||||||||
1948 | 35.42 | 37.32 | a | 42.84 | 51.73 | 60.68 | 73.80 | 76.39 | 76.74 | 72.57 | 61.58 | 40.83 | 29.23 | 54.93 | ||||||||||||
1949 | 19.10 | b | 35.63 | a | 47.16 | 61.93 | 68.81 | 73.23 | 81.06 | 83.10 | 75.13 | 54.58 | 52.90 | 36.46 | c | 57.43 | ||||||||||
1950 | 20.90 | b | 38.61 | 43.94 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.48 | i | ||
1951 | ----- | z | ----- | z | ----- | z | 60.63 | ----- | z | ----- | z | 88.32 | l | 87.14 | x | 68.09 | s | 55.10 | 42.73 | 31.55 | b | 47.50 | h | |||
1952 | 31.13 | 37.34 | 44.07 | a | 61.87 | 65.26 | 69.60 | 82.58 | 80.58 | 76.10 | 69.45 | 42.50 | 37.13 | a | 58.13 | |||||||||||
1953 | 45.16 | 42.04 | 47.77 | 54.33 | 62.81 | 65.07 | 81.81 | 80.55 | 76.69 | a | 64.61 | 49.45 | a | 40.77 | 59.25 | |||||||||||
1954 | 35.32 | 43.71 | 45.23 | 53.43 | 65.55 | 65.93 | 78.97 | 75.61 | 70.67 | 58.97 | 50.47 | 36.29 | 56.68 | |||||||||||||
1955 | 33.87 | 36.21 | 37.61 | 48.93 | 59.29 | 73.63 | 78.06 | 83.77 | 72.87 | 58.71 | 36.13 | 34.77 | 54.49 | |||||||||||||
1956 | 35.65 | 31.62 | 44.13 | 60.87 | 68.39 | 71.04 | c | 85.32 | 82.50 | a | 75.23 | 56.45 | 41.30 | 39.15 | e | 57.64 | ||||||||||
1957 | 21.43 | c | 37.43 | 47.50 | a | 56.70 | 66.68 | 72.67 | 80.06 | 79.23 | 78.47 | 55.61 | 43.33 | 41.22 | h | 58.10 | a | |||||||||
1958 | 38.58 | 48.00 | 48.19 | 53.40 | 72.90 | 75.43 | 86.32 | 88.39 | 71.73 | 64.58 | 43.77 | 40.97 | 61.02 | |||||||||||||
1959 | 37.86 | b | 37.75 | 47.48 | 57.37 | 61.00 | a | 72.27 | 84.55 | 76.68 | 65.80 | 57.55 | 42.20 | 38.19 | 56.56 | |||||||||||
1960 | 30.69 | b | 38.52 | 49.03 | 56.90 | 61.84 | 74.20 | 89.45 | 77.13 | 76.13 | 61.19 | 43.73 | 35.32 | 57.85 | ||||||||||||
1961 | 38.52 | 44.29 | 47.52 | 54.17 | 63.58 | 79.47 | 86.06 | 89.42 | 67.83 | 56.65 | 42.07 | a | 35.16 | 58.73 | ||||||||||||
1962 | 33.90 | 41.11 | 43.42 | 60.17 | 58.00 | 71.29 | b | 80.52 | 77.65 | 74.20 | 58.29 | 45.23 | 40.65 | 57.03 | ||||||||||||
1963 | 29.74 | 46.96 | 49.47 | a | 53.20 | 66.42 | 70.63 | 77.32 | 82.10 | 79.57 | 62.94 | 46.23 | 34.29 | 58.24 | ||||||||||||
1964 | 36.32 | 39.59 | 43.26 | 52.60 | 64.06 | 69.43 | 80.42 | 75.68 | 68.17 | 62.06 | 41.33 | 35.35 | 55.69 | |||||||||||||
1965 | 36.26 | 42.39 | 46.29 | 57.43 | 63.26 | 71.83 | 82.52 | 80.48 | 67.53 | 66.19 | 48.28 | a | 39.13 | 58.47 | ||||||||||||
1966 | 36.81 | 39.44 | a | 48.30 | a | 56.87 | 69.48 | 69.40 | 80.71 | 81.19 | 75.97 | 58.97 | 47.23 | 39.97 | 58.70 | |||||||||||
1967 | 40.48 | 44.57 | 44.16 | 50.57 | 63.29 | 74.33 | 85.13 | 90.35 | 79.47 | 58.94 | 46.77 | 35.70 | a | 59.48 | ||||||||||||
1968 | 37.00 | 45.79 | 52.19 | 54.45 | a | 65.00 | 72.03 | 85.52 | 77.03 | 70.67 | 55.65 | 43.59 | a | 34.45 | 57.78 | |||||||||||
1969 | 29.00 | 36.44 | a | 46.81 | 57.23 | 66.90 | 75.70 | 80.39 | 81.35 | 72.70 | 54.58 | 47.47 | 36.10 | 57.06 | ||||||||||||
1970 | 35.06 | 45.82 | 45.10 | 48.83 | 64.13 | 76.00 | 82.65 | 84.68 | 65.50 | 57.45 | 45.37 | 35.10 | 57.14 | |||||||||||||
1971 | 38.65 | 42.96 | 41.55 | 53.47 | 65.61 | 64.80 | 81.65 | 88.58 | 66.83 | 56.35 | 42.87 | 33.87 | a | 56.43 | ||||||||||||
1972 | 33.94 | 38.69 | 49.68 | 50.73 | 65.94 | 71.31 | a | 80.48 | 84.94 | 66.97 | 59.71 | 44.93 | 31.45 | 56.56 | ||||||||||||
1973 | 34.42 | 41.79 | 48.32 | 56.20 | 66.84 | 71.77 | 84.48 | 82.13 | 70.83 | 57.26 | 39.10 | 39.94 | 57.76 | |||||||||||||
1974 | 30.65 | 41.39 | 45.84 | 52.50 | 59.48 | 75.53 | ----- | z | 81.03 | 76.60 | 64.10 | 45.17 | 38.84 | 55.56 | a | |||||||||||
1975 | 34.52 | 34.11 | 42.94 | 48.37 | 61.06 | 67.90 | 83.00 | 75.68 | 75.20 | 55.19 | 42.97 | a | 40.16 | 55.09 | ||||||||||||
1976 | 37.65 | 39.03 | 41.55 | 52.97 | 65.61 | 66.03 | 78.74 | 75.97 | 77.03 | 61.84 | 46.73 | 38.77 | 56.83 | |||||||||||||
1977 | 29.90 | 45.11 | 44.65 | 62.07 | 59.58 | 77.50 | 78.13 | 85.30 | a | 64.97 | 57.81 | 41.80 | 36.61 | 56.95 | ||||||||||||
1978 | 35.97 | 40.71 | 50.97 | 53.17 | 59.94 | 72.87 | 79.42 | 77.16 | 67.33 | 62.48 | 38.23 | 30.58 | 55.74 | |||||||||||||
1979 | 21.71 | 36.57 | 49.23 | 53.03 | 64.48 | 73.43 | 81.42 | 82.29 | 76.57 | 61.68 | 39.53 | 41.23 | 56.76 | |||||||||||||
1980 | 30.10 | 40.34 | 44.35 | 59.97 | a | 61.58 | 65.57 | 78.13 | 75.97 | 71.23 | 61.26 | 45.00 | 41.45 | 56.25 | ||||||||||||
1981 | 40.42 | 41.50 | 51.77 | 54.20 | 61.13 | 64.57 | 77.58 | 86.06 | 73.93 | 55.45 | 49.78 | c | 37.74 | 57.84 | ||||||||||||
1982 | 33.16 | 36.57 | 46.74 | 51.13 | 62.87 | 73.10 | 77.13 | 81.13 | 70.87 | 56.42 | 38.52 | a | 35.71 | 55.28 | ||||||||||||
1983 | 42.45 | 45.29 | 50.74 | 56.07 | 67.55 | 70.31 | a | 75.26 | 84.06 | 68.20 | 60.52 | 46.17 | 27.39 | 57.83 | ||||||||||||
1984 | 37.83 | a | 41.76 | 48.39 | 53.23 | 60.42 | 69.33 | 82.84 | 83.52 | 69.27 | 55.81 | 43.27 | 31.74 | 56.45 | ||||||||||||
1985 | 27.81 | 33.25 | 45.90 | 60.03 | 67.94 | 73.40 | 89.61 | 79.00 | 64.63 | 56.39 | 30.47 | 25.94 | 54.53 | |||||||||||||
1986 | 39.47 | a | 40.71 | 53.00 | 55.60 | 65.16 | 78.33 | 76.00 | 87.16 | 65.03 | 63.13 | 42.18 | b | 34.68 | 58.37 | |||||||||||
1987 | 33.55 | 43.86 | 49.29 | 64.40 | 69.19 | 75.57 | 79.07 | a | 80.87 | 79.03 | 67.77 | 47.27 | 34.26 | 60.34 | ||||||||||||
1988 | 33.94 | 45.21 | 48.47 | a | 58.33 | 64.23 | 71.00 | 80.55 | 83.48 | 73.43 | 68.87 | 44.07 | 35.61 | 58.93 | ||||||||||||
1989 | 35.45 | 29.71 | 44.90 | 59.23 | 63.32 | 73.73 | 82.00 | 77.06 | 75.47 | 59.48 | 46.80 | 37.48 | 57.05 | |||||||||||||
1990 | 38.48 | 39.21 | 51.52 | 60.77 | 61.81 | 69.90 | 84.29 | 82.90 | 82.87 | 56.77 | 46.14 | a | 28.77 | 58.62 | ||||||||||||
1991 | 34.52 | 48.57 | 45.45 | 56.10 | 60.10 | 65.50 | 81.48 | 85.48 | 78.43 | 62.65 | 42.93 | a | 40.68 | 58.49 | ||||||||||||
1992 | 38.29 | 47.48 | 56.52 | 59.63 | 70.87 | 79.60 | 79.77 | 84.32 | 70.83 | 63.29 | 40.27 | 34.33 | a | 60.43 | ||||||||||||
1993 | 29.74 | 35.00 | 47.39 | 54.50 | 70.42 | 71.43 | 71.68 | 79.55 | 75.40 | 64.23 | 41.33 | 36.97 | b | 56.47 | ||||||||||||
1994 | 42.94 | 37.54 | 54.00 | 59.20 | 67.06 | 72.70 | 87.23 | 85.19 | 79.48 | a | 58.87 | 37.23 | 36.13 | 59.80 | ||||||||||||
1995 | 37.87 | 45.79 | 47.93 | a | 55.00 | 65.77 | 68.00 | 79.94 | 77.71 | 75.90 | 53.48 | 47.60 | 36.48 | 57.62 | ||||||||||||
1996 | 35.41 | b | 39.21 | ----- | z | 55.23 | 58.43 | a | 71.80 | 84.87 | 84.87 | 69.63 | 57.55 | 42.30 | 34.65 | 57.63 | a | |||||||||
1997 | 35.74 | 39.07 | ----- | z | 51.93 | 66.84 | 67.73 | 80.06 | 86.53 | a | 74.90 | 58.87 | 47.30 | 35.53 | a | 58.59 | a | |||||||||
1998 | 37.48 | 44.57 | 48.71 | 56.27 | 63.13 | 70.70 | 88.42 | 87.84 | 81.23 | 60.03 | 45.53 | 33.73 | a | 59.80 | ||||||||||||
1999 | 37.61 | 39.46 | 47.71 | 54.27 | 60.65 | 68.63 | 79.26 | 84.65 | 74.57 | 61.48 | 50.73 | 35.83 | a | 57.90 | ||||||||||||
2000 | 33.26 | 40.90 | 44.77 | 58.77 | 63.42 | 70.97 | 81.32 | 83.58 | 68.63 | 58.06 | 35.57 | 32.50 | a | 55.98 | ||||||||||||
2001 | 34.94 | 39.14 | 51.97 | b | 53.90 | 71.70 | a | 73.55 | a | 84.06 | 88.16 | 79.30 | 59.39 | 48.43 | 36.58 | 60.09 | ||||||||||
2002 | 38.03 | 39.82 | 42.27 | a | 56.90 | 63.87 | 73.77 | 84.84 | 80.94 | 75.57 | 58.87 | 47.47 | 39.48 | 58.49 | ||||||||||||
2003 | 41.77 | 41.86 | 49.48 | 55.70 | 64.45 | 76.07 | 88.42 | 85.47 | a | 76.43 | 66.27 | a | 41.90 | a | 38.35 | 60.51 | ||||||||||
2004 | 34.97 | 40.83 | 55.19 | 61.23 | 64.23 | 73.30 | 84.97 | 84.42 | 72.00 | 60.77 | 46.20 | 42.03 | a | 60.01 | ||||||||||||
2005 | 40.23 | 47.93 | 54.35 | 58.67 | 67.00 | 69.27 | 84.39 | 85.84 | 71.57 | 60.58 | 43.00 | 34.06 | 59.74 | |||||||||||||
2006 | 43.29 | 40.79 | 47.52 | 56.10 | 67.68 | 74.00 | 88.42 | 84.39 | 75.80 | 61.10 | 45.93 | 37.68 | 60.22 | |||||||||||||
2007 | 32.42 | 42.36 | 52.61 | 57.47 | 67.16 | 73.20 | 88.26 | 82.65 | 74.43 | 58.94 | 44.87 | 36.00 | 59.20 | |||||||||||||
2008 | 34.13 | 41.28 | 45.94 | 52.67 | 66.97 | a | 71.33 | 83.48 | 83.42 | 75.43 | 62.55 | 49.40 | 33.94 | 58.38 | ||||||||||||
2009 | 35.32 | 41.86 | 42.90 | a | 55.50 | 66.10 | ----- | z | 84.10 | 84.52 | ----- | z | 55.65 | 46.13 | 32.42 | 54.45 | b | |||||||||
2010 | 42.55 | 46.32 | 53.10 | 55.83 | 60.74 | 68.77 | 82.35 | 83.32 | 72.90 | 62.10 | 43.13 | 38.39 | 59.13 | |||||||||||||
2011 | 38.58 | 37.32 | 47.45 | 50.43 | 61.16 | 67.37 | 78.29 | 85.97 | 81.23 | 59.13 | 44.63 | 38.61 | 57.52 | |||||||||||||
2012 | 39.48 | 41.68 | a | 46.45 | 58.44 | c | 65.32 | 69.13 | 83.03 | 87.00 | 79.17 | 60.16 | 47.34 | a | 37.94 | 59.60 | ||||||||||
2013 | 33.52 | 43.32 | 50.87 | 56.30 | 67.97 | 72.30 | 87.81 | 87.07 | a | 75.23 | 59.58 | 45.27 | 33.35 | 59.38 | ||||||||||||
2014 | 37.55 | 35.00 | 50.32 | 57.07 | 68.90 | 72.97 | 88.61 | 87.35 | 78.60 | 65.83 | a | 45.40 | 40.77 | 60.70 | ||||||||||||
2015 | 40.35 | 49.32 | 55.97 | 59.43 | 70.74 | 83.40 | 87.87 | 87.58 | 73.11 | c | 68.87 | 43.40 | 37.48 | 63.13 | ||||||||||||
2016 | 38.16 | 48.28 | 50.97 | 65.37 | 67.87 | 75.70 | 80.28 | b | 84.97 | 72.53 | 58.39 | 53.20 | 31.77 | 60.62 | ||||||||||||
2017 | 28.90 | 40.86 | 48.83 | a | 56.00 | a | 67.39 | 74.79 | a | 88.71 | 89.30 | d | 75.70 | 58.42 | 46.47 | 33.26 | 59.05 | |||||||||
2018 | 41.78 | d | 38.89 | 48.26 | 56.50 | 71.29 | 71.53 | 85.74 | 84.97 | 73.33 | 61.27 | a | 47.30 | 37.77 | 59.89 | |||||||||||
2019 | 39.16 | 32.07 | 44.13 | 57.57 | 68.94 | 75.33 | 81.79 | b | 85.32 | 72.53 | 53.87 | 48.17 | 39.52 | 58.20 | ||||||||||||
2020 | 40.13 | 43.97 | 49.26 | 58.70 | 65.81 | 70.20 | 82.06 | 86.23 | 78.57 | 60.55 | 46.03 | 39.97 | 60.12 | |||||||||||||
2021 | 39.52 | b | 36.11 | 50.97 | a | 60.90 | 68.10 | 81.90 | 91.81 | 84.71 | 74.80 | 60.45 | 49.30 | 36.06 | 61.22 | |||||||||||
2022 | 37.42 | 41.71 | 51.65 | 51.20 | 59.52 | 72.10 | 83.80 | a | 90.35 | 80.13 | 67.45 | 39.03 | 33.03 | 58.95 | ||||||||||||
2023 | 39.26 | 40.07 | 46.45 | 55.97 | 74.03 | 77.93 | 89.52 | 86.19 | 74.20 | 62.13 | 45.63 | 42.58 | 61.16 | |||||||||||||
2024 | 35.35 | 43.79 | 51.14 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.43 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.41 | 40.79 | 47.77 | 56.19 | 65.01 | 71.82 | 82.58 | 82.91 | 73.49 | 60.16 | 44.27 | 36.25 | 58.13 | |||||||||||||
S.D. | 5.00 | 4.10 | 3.73 | 3.55 | 3.71 | 3.88 | 3.86 | 3.87 | 4.47 | 3.90 | 3.90 | 3.41 | 1.76 | |||||||||||||
SKEW | -1.07 | -0.14 | 0.09 | 0.06 | 0.13 | 0.41 | 0.07 | -0.24 | -0.31 | 0.57 | -0.48 | -0.53 | 0.15 | |||||||||||||
MAX | 45.16 | 49.32 | 56.52 | 65.37 | 74.03 | 83.40 | 91.81 | 90.35 | 82.87 | 70.63 | 53.20 | 42.58 | 63.13 | |||||||||||||
MIN | 19.10 | 29.71 | 37.61 | 48.37 | 58.00 | 64.57 | 71.68 | 75.61 | 63.03 | 52.77 | 30.47 | 25.94 | 54.49 | |||||||||||||
YRS | 83 | 83 | 81 | 82 | 81 | 80 | 80 | 81 | 80 | 82 | 83 | 82 | 76 |