YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1938 | ----- | z | ----- | z | ----- | z | 57.67 | 68.19 | 78.03 | 84.10 | 84.03 | 72.90 | 66.16 | 44.17 | 30.52 | 65.09 | c | |||||||||
1939 | 30.55 | 25.21 | 41.35 | 54.03 | 77.29 | 79.37 | 87.13 | 82.19 | 78.10 | 60.65 | 47.13 | 37.84 | 58.40 | |||||||||||||
1940 | 17.19 | 29.83 | 33.71 | 54.03 | 67.68 | 78.77 | 85.06 | 77.65 | 75.20 | 63.61 | 38.70 | 30.13 | 54.30 | |||||||||||||
1941 | 27.26 | 26.61 | 37.19 | 63.93 | 74.32 | 78.43 | 83.61 | 84.35 | 73.80 | 60.39 | 46.73 | 36.00 | 57.72 | |||||||||||||
1942 | 27.81 | 27.68 | 43.65 | 64.73 | 65.87 | 76.23 | 81.35 | 79.71 | 67.37 | 61.77 | 42.87 | 23.23 | 55.19 | |||||||||||||
1943 | 20.16 | 29.43 | 34.03 | 55.67 | 65.42 | 79.17 | 83.55 | 81.26 | 67.23 | 59.81 | 38.07 | 33.45 | 53.94 | |||||||||||||
1944 | 35.55 | 31.72 | 34.32 | 52.27 | 71.90 | 78.93 | 81.00 | 82.10 | 71.00 | 62.23 | 44.73 | 26.23 | 56.00 | |||||||||||||
1945 | 22.16 | 29.07 | 51.87 | 54.47 | 62.32 | 72.00 | 79.42 | 80.13 | 70.00 | 58.94 | 40.77 | 21.84 | 53.58 | |||||||||||||
1946 | 27.19 | 29.29 | 52.48 | 62.77 | 66.48 | 76.60 | 82.58 | 78.06 | 70.03 | 64.06 | 44.40 | 32.03 | 57.17 | |||||||||||||
1947 | 31.42 | 24.32 | 36.90 | 51.70 | 62.32 | 74.23 | 81.87 | 88.55 | 73.93 | 69.06 | 36.07 | 27.94 | 54.86 | |||||||||||||
1948 | 22.23 | 28.17 | 40.47 | a | 62.83 | 68.32 | 77.80 | 85.77 | 86.00 | 79.90 | 61.48 | 43.63 | 30.10 | 57.23 | ||||||||||||
1949 | 27.03 | 27.07 | 39.19 | 59.43 | 73.16 | 82.20 | 86.29 | 84.97 | 70.07 | 65.06 | 45.73 | 31.55 | 57.65 | |||||||||||||
1950 | 24.97 | 27.89 | 33.81 | 47.40 | 67.90 | 76.83 | 79.19 | 75.71 | 71.43 | 65.94 | 38.83 | 22.61 | 52.71 | |||||||||||||
1951 | 21.19 | 28.36 | 33.32 | 51.03 | 73.29 | 75.00 | 82.03 | 76.45 | 67.77 | 59.45 | 35.27 | 27.42 | 52.55 | |||||||||||||
1952 | 25.81 | 33.10 | 36.81 | 61.33 | 67.35 | 80.27 | 84.68 | 78.94 | 74.63 | 57.48 | 46.77 | 31.06 | 56.52 | |||||||||||||
1953 | 27.94 | 30.04 | 40.35 | 50.17 | 68.84 | 80.63 | 80.45 | 82.77 | 74.53 | 68.74 | 49.20 | 34.13 | 57.32 | |||||||||||||
1954 | 25.55 | 41.32 | 39.16 | 59.87 | 63.45 | 81.40 | 82.84 | 79.71 | 70.73 | 56.90 | 46.10 | 30.55 | 56.47 | |||||||||||||
1955 | 25.06 | 27.57 | 38.26 | 64.90 | 73.97 | 77.07 | 88.45 | 87.61 | 76.37 | 61.10 | 37.10 | 24.58 | 56.84 | |||||||||||||
1956 | 25.06 | 28.59 | 35.52 | 53.07 | 68.39 | 84.37 | 79.26 | 81.55 | 70.73 | 68.68 | 41.93 | 32.32 | 55.79 | |||||||||||||
1957 | 21.13 | 33.36 | 41.68 | 57.97 | 66.45 | 77.67 | 85.03 | 79.32 | 69.83 | 57.71 | 40.40 | 34.45 | 55.42 | |||||||||||||
1958 | 28.55 | 25.57 | 42.42 | 59.70 | 73.29 | 74.67 | 80.65 | 83.48 | 72.30 | 64.58 | 46.40 | 24.58 | 56.35 | |||||||||||||
1959 | 19.71 | 26.32 | 38.23 | 57.47 | 72.48 | 79.47 | 82.26 | 82.84 | 72.30 | 53.32 | 33.93 | 36.74 | 54.59 | |||||||||||||
1960 | 27.87 | 29.31 | 32.48 | 58.23 | 68.42 | 74.37 | 82.58 | 81.71 | 72.83 | 60.42 | 46.67 | 29.65 | 55.38 | |||||||||||||
1961 | 25.00 | 37.39 | 41.77 | 50.83 | 68.81 | 80.33 | 81.81 | 83.26 | 70.20 | 62.65 | 41.97 | 26.32 | 55.86 | |||||||||||||
1962 | 20.74 | 24.50 | 37.68 | 55.80 | 71.84 | 77.60 | 77.58 | 81.32 | 68.23 | 61.71 | 44.83 | 29.16 | 54.25 | |||||||||||||
1963 | 14.81 | 24.93 | a | 45.06 | 59.83 | 67.58 | 83.30 | 84.65 | 78.74 | 72.57 | 71.32 | 48.83 | 19.74 | 55.95 | ||||||||||||
1964 | 32.94 | 37.31 | 37.97 | 58.57 | 74.32 | 81.33 | 87.19 | 79.65 | 70.20 | 60.00 | 46.53 | 26.42 | 57.70 | |||||||||||||
1965 | 21.42 | 25.68 | 30.97 | 52.53 | 71.26 | 77.77 | 81.65 | 78.42 | 64.80 | 61.65 | 43.43 | 37.48 | 53.92 | |||||||||||||
1966 | 18.61 | 30.82 | 47.35 | 54.57 | 68.00 | 82.13 | 87.65 | 81.81 | 74.17 | 62.29 | 43.50 | 30.48 | 56.78 | |||||||||||||
1967 | 29.03 | 24.89 | 42.58 | 58.17 | 66.42 | 78.73 | 83.71 | 79.68 | 73.47 | 58.77 | 40.13 | 33.00 | 55.72 | |||||||||||||
1968 | 28.00 | 29.38 | 52.35 | 62.93 | 66.74 | 78.43 | 82.26 | 82.87 | 72.27 | 60.97 | 42.63 | 27.23 | 57.17 | |||||||||||||
1969 | 20.65 | 30.00 | 35.87 | 60.70 | 71.48 | 71.00 | 82.32 | 86.48 | 74.10 | 56.71 | 44.10 | 29.42 | 55.24 | |||||||||||||
1970 | 17.97 | 30.54 | 40.06 | 59.73 | 70.48 | 81.33 | 85.19 | 82.16 | 71.07 | 60.84 | 42.20 | 28.23 | 55.82 | |||||||||||||
1971 | 17.65 | 26.36 | 36.74 | 60.03 | 68.71 | 83.13 | 79.58 | 80.48 | 75.27 | 64.74 | 43.60 | 30.68 | 55.58 | |||||||||||||
1972 | 20.74 | 25.31 | 37.42 | 53.03 | 76.32 | 79.23 | 80.29 | 80.65 | 71.37 | 54.87 | 39.83 | 22.97 | 53.50 | |||||||||||||
1973 | 28.16 | 32.68 | 49.94 | 53.37 | 64.81 | 81.37 | 84.81 | 82.00 | 71.97 | 67.65 | 44.23 | 26.58 | 57.30 | |||||||||||||
1974 | 25.39 | 29.54 | 40.55 | 59.97 | 65.00 | 76.60 | 87.77 | 79.65 | 68.20 | 60.58 | 44.47 | 32.48 | 55.85 | |||||||||||||
1975 | 27.16 | 27.93 | 33.45 | 50.23 | 72.87 | 77.90 | 85.32 | 82.71 | 67.90 | 65.35 | 48.93 | 30.39 | 55.85 | |||||||||||||
1976 | 23.74 | 38.79 | 43.45 | 62.03 | 69.68 | 82.27 | 85.84 | 83.94 | 73.73 | 55.29 | 36.97 | 22.90 | 56.55 | |||||||||||||
1977 | 12.10 | 30.50 | 48.42 | 66.13 | 78.97 | 78.67 | 85.68 | 77.00 | 70.30 | 58.29 | 41.00 | 23.97 | 55.92 | |||||||||||||
1978 | 16.97 | 22.00 | 39.94 | 55.77 | 71.52 | 78.70 | 79.71 | 85.03 | 79.70 | 60.61 | 44.30 | 28.03 | 55.19 | |||||||||||||
1979 | 15.58 | 23.39 | 40.19 | 55.40 | 70.06 | 78.10 | 83.26 | 78.10 | 74.83 | 56.45 | 41.40 | 36.35 | 54.43 | |||||||||||||
1980 | 26.29 | 27.31 | 39.55 | 60.37 | 75.13 | 81.23 | 90.16 | 82.90 | 73.47 | 54.52 | 45.00 | 28.13 | 57.00 | |||||||||||||
1981 | 30.13 | 34.25 | 49.32 | 61.87 | 70.55 | 79.57 | 83.16 | 79.90 | 71.30 | 57.19 | 46.53 | 27.39 | 57.60 | |||||||||||||
1982 | 14.65 | 26.79 | 39.00 | 55.37 | 71.90 | 75.13 | 85.39 | 80.42 | 69.77 | 59.94 | 42.00 | 34.35 | 54.56 | |||||||||||||
1983 | 26.84 | 32.07 | 40.97 | 51.87 | 64.00 | 80.57 | 87.26 | 86.32 | 72.83 | 59.19 | 42.20 | 14.03 | 54.85 | |||||||||||||
1984 | 22.29 | 38.93 | 36.74 | 58.63 | 66.39 | 80.23 | 82.87 | 84.29 | 70.93 | 61.58 | 43.57 | 29.77 | 56.35 | |||||||||||||
1985 | 21.03 | 25.61 | 46.84 | 63.30 | 74.74 | 76.93 | 84.45 | 78.48 | 70.63 | ----- | z | ----- | z | ----- | z | 60.22 | c | |||||||||
1986 | 30.94 | n | 25.93 | 45.84 | 63.00 | 72.61 | 79.70 | 84.45 | 78.13 | 70.90 | 60.68 | 38.77 | 31.42 | 59.22 | a | |||||||||||
1987 | 29.42 | 40.96 | 48.06 | 65.83 | 75.23 | 84.50 | 87.42 | 78.84 | 73.93 | 55.58 | 47.60 | 33.65 | 60.09 | |||||||||||||
1988 | 21.87 | 25.03 | 44.87 | 60.23 | 79.32 | 87.53 | 89.58 | 87.26 | 75.93 | 55.39 | 44.13 | 30.45 | 58.47 | |||||||||||||
1989 | 33.19 | 23.00 | 38.23 | 56.53 | 70.55 | 79.60 | 87.29 | 82.65 | 73.00 | 63.35 | 40.17 | 20.45 | 55.67 | |||||||||||||
1990 | 37.06 | 36.39 | 47.81 | 59.93 | 67.29 | 79.70 | 83.45 | 82.48 | 76.23 | 60.87 | 51.07 | 28.10 | 59.20 | |||||||||||||
1991 | 23.40 | a | 34.31 | b | 45.64 | c | 60.93 | 73.32 | 85.43 | 83.74 | 83.16 | 70.47 | 59.10 | 35.37 | 31.45 | 57.19 | ||||||||||
1992 | 30.94 | 36.90 | 42.77 | 54.40 | 73.97 | 78.83 | 78.03 | 77.81 | 70.54 | b | 59.16 | 37.83 | 30.55 | 55.98 | ||||||||||||
1993 | 26.42 | 27.29 | 39.74 | 54.17 | 68.39 | 76.43 | 80.26 | 81.94 | 66.13 | 59.06 | 41.20 | 31.48 | 54.38 | |||||||||||||
1994 | 15.87 | 25.43 | 46.13 | 58.43 | 73.52 | 82.93 | 80.32 | 77.77 | 75.77 | 64.03 | 49.53 | 36.06 | 57.15 | |||||||||||||
1995 | 27.00 | 31.07 | 46.35 | 53.33 | 69.81 | 85.30 | 87.26 | 87.13 | 73.33 | 60.32 | 36.47 | 28.10 | 57.12 | |||||||||||||
1996 | 23.16 | 29.00 | 39.16 | 56.17 | 66.68 | 79.33 | 82.48 | 84.84 | 75.27 | 62.48 | 35.97 | 27.13 | 55.14 | |||||||||||||
1997 | 22.94 | 33.21 | 43.45 | 57.77 | 66.55 | 83.30 | 83.23 | 78.77 | 74.30 | 62.94 | 38.90 | 34.55 | 56.66 | |||||||||||||
1998 | 30.45 | 40.96 | 43.35 | 64.23 | 78.81 | 78.83 | 86.52 | 84.00 | 81.43 | 62.39 | 48.37 | 38.13 | 61.46 | |||||||||||||
1999 | 22.87 | 39.54 | 48.16 | 61.73 | 73.77 | 81.23 | 87.19 | 79.87 | 72.90 | 61.42 | 53.50 | 35.61 | 59.82 | |||||||||||||
2000 | 26.90 | 39.97 | 53.26 | 59.70 | 72.03 | 77.80 | 82.16 | 81.87 | 73.37 | 63.90 | 40.07 | 17.03 | 57.34 | |||||||||||||
2001 | 29.06 | 24.82 | 37.71 | 62.60 | 70.74 | 79.20 | 87.61 | 83.97 | 70.27 | 58.39 | 56.43 | 37.13 | 58.16 | |||||||||||||
2002 | 35.81 | 38.71 | 37.77 | 56.97 | 68.19 | 80.70 | 86.90 | 81.06 | 76.27 | 53.03 | 43.57 | 35.52 | 57.88 | |||||||||||||
2003 | 25.32 | 28.82 | 43.06 | 58.93 | 69.58 | 78.97 | 83.77 | 87.10 | 73.97 | 61.90 | 43.77 | 35.16 | 57.53 | |||||||||||||
2004 | 23.16 | 32.72 | 47.45 | 62.87 | 69.16 | 75.87 | 80.81 | 76.32 | 78.43 | 60.03 | 47.60 | 32.16 | 57.22 | |||||||||||||
2005 | 25.35 | 35.75 | 42.81 | 64.03 | 67.03 | 85.03 | 86.65 | 82.03 | 78.17 | 63.97 | 46.80 | 25.77 | 58.62 | |||||||||||||
2006 | 38.13 | 31.32 | 44.16 | 64.37 | 70.32 | 80.77 | 89.19 | 81.29 | 69.60 | 56.10 | 46.93 | 38.03 | 59.18 | |||||||||||||
2007 | 30.48 | 22.32 | 48.74 | 58.87 | 76.23 | 81.87 | 86.06 | 81.13 | 76.37 | 65.29 | 44.43 | 26.58 | 58.20 | |||||||||||||
2008 | 23.16 | 24.55 | 38.39 | 55.90 | 68.26 | 78.30 | 84.00 | 82.19 | 75.00 | 61.35 | 43.40 | 24.68 | 54.93 | |||||||||||||
2009 | 19.03 | 32.18 | 45.06 | 59.40 | 69.61 | 77.50 | 78.58 | 78.77 | 75.27 | 51.42 | 52.07 | 26.81 | 55.48 | |||||||||||||
2010 | 21.90 | 29.11 | 51.71 | 66.20 | 72.39 | 78.97 | 84.77 | 85.58 | 70.97 | 65.84 | 45.53 | 24.58 | 58.13 | |||||||||||||
2011 | 21.48 | 29.32 | 41.90 | 54.97 | 68.55 | 79.43 | 87.42 | 82.84 | 70.47 | 65.06 | 48.13 | 35.23 | 57.07 | |||||||||||||
2012 | 32.74 | 36.97 | 60.23 | 60.63 | 75.52 | 84.27 | 91.26 | 82.77 | 74.90 | 58.39 | 46.73 | 33.39 | 61.48 | |||||||||||||
2013 | 29.00 | 28.46 | 34.90 | 51.13 | 69.06 | 77.10 | 85.03 | 84.06 | 78.13 | 60.77 | 43.50 | 23.90 | 55.42 | |||||||||||||
2014 | 19.90 | 19.96 | 37.23 | 54.23 | 71.16 | 81.77 | 80.97 | 83.16 | 73.83 | 60.23 | 37.07 | 33.52 | 54.42 | |||||||||||||
2015 | 28.61 | 21.54 | 47.52 | 63.13 | 72.00 | 79.87 | 82.90 | 81.03 | 79.30 | 63.58 | 51.43 | 39.39 | 59.19 | |||||||||||||
2016 | 26.52 | 33.66 | 50.06 | 59.63 | 73.13 | 82.47 | 84.35 | 83.71 | 76.77 | 65.77 | 56.03 | 29.26 | 60.11 | |||||||||||||
2017 | 30.06 | 42.64 | 44.03 | 62.30 | 69.16 | 83.93 | 86.13 | 81.03 | 80.53 | 61.81 | 45.37 | 28.90 | 59.66 | |||||||||||||
2018 | 27.97 | 30.93 | 45.35 | 50.23 | 78.23 | 82.83 | 85.81 | 83.97 | 75.23 | 56.61 | 36.67 | 34.65 | 57.37 | |||||||||||||
2019 | 23.90 | 25.50 | 40.39 | 58.20 | 67.55 | 80.17 | 87.26 | 82.32 | 78.17 | 57.10 | 38.40 | 34.87 | 56.15 | |||||||||||||
2020 | 31.03 | 33.07 | 47.90 | 57.77 | 70.13 | 83.77 | 87.97 | 85.87 | 71.70 | 55.39 | 51.43 | 36.00 | 59.34 | |||||||||||||
2021 | 30.26 | 22.32 | 53.29 | 60.40 | 71.81 | 88.23 | 85.61 | 84.61 | 79.07 | 66.77 | 47.63 | 37.32 | 60.61 | |||||||||||||
2022 | 23.29 | 29.07 | 43.61 | 53.40 | 72.58 | 82.30 | 85.32 | 82.45 | 75.77 | 62.68 | 46.47 | 28.81 | 57.15 | |||||||||||||
2023 | 29.84 | 35.57 | 42.71 | 59.53 | 75.39 | 85.33 | 84.13 | 85.19 | 78.17 | 61.55 | 48.47 | 41.71 | 60.63 | |||||||||||||
2024 | 28.61 | 47.31 | 50.35 | 58.75 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.09 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.24 | 30.26 | 42.33 | 58.11 | 70.49 | 79.82 | 84.12 | 81.91 | 73.21 | 60.99 | 43.82 | 30.14 | 56.68 | |||||||||||||
S.D. | 5.30 | 5.52 | 5.76 | 4.38 | 3.79 | 3.20 | 2.95 | 2.85 | 3.47 | 3.88 | 4.74 | 5.26 | 1.94 | |||||||||||||
SKEW | -0.05 | 0.70 | 0.42 | -0.21 | 0.21 | 0.06 | -0.06 | 0.05 | 0.15 | 0.07 | 0.18 | -0.40 | 0.36 | |||||||||||||
MAX | 38.13 | 47.31 | 60.23 | 66.20 | 79.32 | 88.23 | 91.26 | 88.55 | 81.43 | 71.32 | 56.43 | 41.71 | 61.48 | |||||||||||||
MIN | 12.10 | 19.96 | 30.97 | 47.40 | 62.32 | 71.00 | 77.58 | 75.71 | 64.80 | 51.42 | 33.93 | 14.03 | 52.55 | |||||||||||||
YRS | 85 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 85 | 85 | 85 | 83 |