YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.68 | 82.90 | 79.40 | 61.13 | 38.47 | 22.93 | a | 61.25 | f | |||||
1949 | 13.61 | 14.63 | a | 31.52 | 60.90 | 70.03 | 77.80 | 83.29 | 86.39 | 71.17 | 55.87 | 46.97 | 18.65 | 52.57 | ||||||||||||
1950 | -0.87 | 18.29 | 29.23 | 40.23 | 58.81 | 76.63 | 76.81 | 77.58 | 71.00 | 60.35 | 31.73 | 18.68 | 46.54 | |||||||||||||
1951 | 11.52 | 20.64 | 22.61 | 50.83 | 70.52 | 69.80 | 80.87 | 76.87 | 64.60 | 52.45 | 32.20 | 15.06 | 47.33 | |||||||||||||
1952 | 12.23 | 25.59 | 26.71 | 61.63 | 69.13 | 79.53 | 82.39 | 82.58 | 77.00 | 57.19 | 41.00 | 26.32 | 53.44 | |||||||||||||
1953 | 22.39 | 28.61 | 36.84 | 47.33 | 63.61 | 73.53 | 79.84 | 84.00 | 72.40 | 67.03 | 45.33 | 28.74 | 54.14 | |||||||||||||
1954 | 9.58 | 40.57 | 33.61 | 52.37 | 64.19 | 72.57 | 81.87 | 80.39 | 66.60 | 56.23 | 46.60 | 31.87 | 53.04 | |||||||||||||
1955 | 22.35 | 16.07 | 30.94 | 63.13 | 72.84 | 74.70 | 82.90 | 84.03 | 70.43 | 62.58 | 26.40 | 14.87 | 51.77 | |||||||||||||
1956 | 16.52 | 18.41 | 29.74 | 45.63 | 64.71 | 80.40 | 77.87 | 79.81 | 68.23 | 63.45 | 38.40 | 28.19 | 50.95 | |||||||||||||
1957 | 12.29 | 22.43 | 38.16 | 53.93 | 67.13 | 74.10 | 86.81 | 78.87 | 67.23 | 54.45 | 36.80 | 31.87 | 52.01 | |||||||||||||
1958 | 26.87 | 21.96 | 37.65 | 55.70 | 71.87 | 69.90 | 78.16 | 84.19 | 72.47 | 61.71 | 39.03 | 22.35 | 53.49 | |||||||||||||
1959 | 14.29 | 20.79 | 44.45 | 57.03 | 64.29 | 78.87 | 84.71 | 86.42 | 69.27 | 49.39 | 28.47 | 32.58 | 52.55 | |||||||||||||
1960 | 19.39 | 20.66 | 26.48 | 51.23 | 68.87 | a | 73.43 | 85.61 | 82.87 | 74.30 | 60.58 | 40.80 | 22.94 | 52.26 | ||||||||||||
1961 | 20.94 | 26.68 | 41.90 | 48.00 | 66.00 | 84.43 | 80.94 | 88.07 | a | 64.80 | 59.23 | 41.13 | 18.13 | 53.35 | ||||||||||||
1962 | 17.03 | 16.75 | 30.16 | 52.90 | 63.29 | 74.27 | 78.00 | 82.42 | 67.73 | 61.68 | 43.10 | 28.77 | 51.34 | |||||||||||||
1963 | 12.58 | 24.00 | 47.03 | 53.60 | 65.52 | 80.73 | 85.03 | 82.61 | 75.17 | 71.03 | 44.93 | 18.03 | 55.02 | |||||||||||||
1964 | 26.77 | 31.31 | 32.03 | 55.23 | 70.77 | 75.40 | 85.29 | 77.61 | 67.27 | 59.58 | 37.27 | 12.23 | 52.56 | |||||||||||||
1965 | 10.52 | 21.70 | a | 25.00 | 49.57 | 64.68 | 75.47 | 80.81 | 80.03 | 56.10 | 61.58 | 38.67 | 31.16 | 49.61 | ||||||||||||
1966 | 4.16 | 20.11 | 39.90 | 45.80 | 65.90 | 76.30 | 85.61 | 77.90 | 73.17 | 58.77 | 31.63 | 24.10 | 50.28 | |||||||||||||
1967 | 20.74 | 19.39 | 37.03 | 47.30 | 63.58 | 75.67 | 85.03 | 82.84 | 74.07 | 54.48 | 37.37 | 23.42 | 51.74 | |||||||||||||
1968 | 17.45 | 21.52 | 44.77 | 53.70 | 61.74 | 72.30 | 81.19 | 80.23 | 70.43 | 57.29 | 39.60 | 16.19 | 51.37 | |||||||||||||
1969 | 5.52 | 21.36 | 26.26 | 55.63 | 68.74 | 69.00 | 80.35 | 87.74 | 72.67 | 48.58 | 40.70 | 25.55 | 50.17 | |||||||||||||
1970 | 10.77 | 25.11 | 28.45 | 47.43 | 63.90 | 80.60 | 85.84 | 85.61 | 72.40 | 55.35 | 33.37 | 20.00 | 50.74 | |||||||||||||
1971 | 8.45 | 22.11 | 34.81 | 55.77 | 66.26 | 77.53 | 78.94 | 85.77 | 70.37 | 54.97 | 35.23 | 19.42 | 50.80 | |||||||||||||
1972 | 12.90 | 16.24 | 32.94 | 48.30 | 70.35 | 79.33 | 79.94 | 82.74 | 67.33 | 51.61 | 34.17 | 15.42 | 49.27 | |||||||||||||
1973 | 24.23 | 29.61 | 43.13 | 53.47 | 69.74 | 78.87 | 84.65 | 87.58 | 67.33 | 60.19 | 31.40 | 18.23 | 54.03 | |||||||||||||
1974 | 15.32 | 22.71 | 31.61 | 52.27 | 60.39 | 77.97 | 89.06 | 77.13 | 67.53 | 60.71 | 37.57 | 29.48 | 51.81 | |||||||||||||
1975 | 23.48 | 19.68 | 30.26 | 39.77 | 66.84 | 74.57 | 85.29 | 79.26 | 66.97 | 59.74 | 41.57 | 26.19 | 51.13 | |||||||||||||
1976 | 19.77 | 31.34 | 35.00 | 58.53 | 70.87 | 80.70 | 85.87 | 87.84 | 76.70 | 52.71 | 34.90 | 21.00 | 54.60 | |||||||||||||
1977 | 6.29 | 30.54 | 41.81 | 64.50 | 77.29 | 79.50 | 83.13 | 73.35 | 66.70 | 58.35 | 34.23 | 14.55 | 52.52 | |||||||||||||
1978 | 6.87 | 15.25 | 35.13 | 51.00 | 71.10 | 77.23 | 81.84 | 83.26 | 76.63 | 57.77 | 33.40 | 17.55 | 50.59 | |||||||||||||
1979 | 3.84 | 7.82 | 29.42 | 42.10 | 59.26 | 75.67 | 82.26 | 78.23 | 75.50 | 54.71 | 33.67 | 32.84 | 47.94 | |||||||||||||
1980 | 17.77 | a | 20.83 | 32.10 | 65.17 | 75.97 | 76.73 | 84.42 | 75.45 | 69.47 | 52.65 | 44.07 | 25.19 | 53.32 | ||||||||||||
1981 | 25.16 | 30.82 | 45.65 | 60.52 | a | 67.23 | 74.30 | 83.61 | 83.39 | 71.43 | 55.20 | a | 45.03 | 19.23 | 55.13 | |||||||||||
1982 | 4.23 | a | 21.00 | 31.71 | 52.20 | 67.00 | 72.52 | a | 85.23 | 82.48 | 71.10 | 55.63 | a | 32.96 | b | 30.43 | a | 50.54 | ||||||||
1983 | 29.83 | b | 31.82 | 34.97 | 50.87 | 64.81 | 77.83 | 87.10 | 91.06 | 70.53 | 53.97 | 35.47 | 6.77 | 52.92 | ||||||||||||
1984 | 21.87 | 32.10 | 30.16 | 54.67 | 66.77 | 75.77 | 84.65 | 87.13 | 65.20 | 55.61 | 37.00 | a | 19.68 | 52.55 | ||||||||||||
1985 | 16.79 | b | 22.93 | 43.74 | 63.77 | 75.81 | 73.53 | 88.16 | 78.00 | 64.03 | 56.16 | 24.73 | 16.60 | a | 52.02 | |||||||||||
1986 | 26.53 | a | 19.25 | 47.45 | 52.67 | 70.77 | 81.07 | 83.65 | 80.52 | 64.97 | 59.06 | 32.47 | 30.77 | 54.10 | ||||||||||||
1987 | 28.13 | 35.21 | 35.84 | 69.03 | 75.70 | a | 84.13 | 86.45 | 79.68 | 75.07 | 56.55 | 45.57 | 29.45 | 58.40 | ||||||||||||
1988 | 18.29 | 23.00 | 40.48 | 60.13 | 75.97 | 88.63 | 90.87 | 84.39 | 68.77 | 55.90 | 34.33 | 25.32 | 55.51 | |||||||||||||
1989 | 26.48 | 13.96 | 30.29 | 53.30 | 70.10 | 77.23 | 89.00 | 83.29 | 72.07 | 61.06 | 37.83 | 17.52 | 52.68 | |||||||||||||
1990 | 33.19 | 31.11 | 44.00 | 55.83 | 68.97 | 77.33 | 82.10 | 85.16 | 75.80 | 58.81 | 43.33 | 21.19 | 56.40 | |||||||||||||
1991 | 19.45 | 35.32 | 41.32 | 58.53 | 69.71 | 78.00 | 82.77 | 86.61 | 70.07 | 53.61 | 30.70 | 30.42 | 54.71 | |||||||||||||
1992 | 30.35 | 33.83 | 42.61 | 52.37 | 72.39 | 73.70 | 76.65 | 78.13 | 69.30 | 57.39 | 31.67 | 17.48 | 52.99 | |||||||||||||
1993 | 18.45 | 20.14 | 36.61 | 52.73 | 67.55 | 70.03 | 72.87 | 77.19 | 65.10 | 55.71 | 34.30 | 23.19 | 49.49 | |||||||||||||
1994 | 5.42 | 14.25 | 39.68 | 53.00 | 72.87 | 77.13 | 77.03 | 78.71 | 73.43 | 57.29 | 40.83 | 26.87 | 51.38 | |||||||||||||
1995 | 18.03 | 23.50 | 33.06 | 46.40 | 63.97 | 79.70 | 79.29 | 83.61 | 71.20 | 53.65 | 30.57 | 20.68 | 50.30 | |||||||||||||
1996 | 11.03 | 24.52 | 28.13 | 47.03 | 63.74 | 79.33 | 78.45 | 82.29 | 69.43 | 55.06 | 24.67 | 13.13 | 48.07 | |||||||||||||
1997 | 11.32 | 27.25 | 33.10 | 48.10 | 67.45 | 80.30 | 80.81 | 82.81 | 75.83 | 58.77 | 31.10 | 32.10 | 52.41 | |||||||||||||
1998 | 18.35 | 32.54 | 32.65 | 61.13 | 69.68 | 70.13 | 82.74 | 81.68 | 74.87 | 55.32 | 35.52 | a | 26.48 | 53.42 | ||||||||||||
1999 | 13.70 | a | 28.57 | 39.55 | 51.97 | 65.55 | 74.37 | 81.13 | 79.19 | 64.23 | 55.94 | 50.23 | 34.48 | 53.24 | ||||||||||||
2000 | 20.26 | 30.69 | 45.06 | 52.93 | 67.77 | 73.40 | 81.16 | 80.23 | 71.07 | 58.00 | 30.53 | 11.39 | 51.87 | |||||||||||||
2001 | 25.29 | 13.18 | 33.55 | 53.33 | 68.90 | 73.93 | 82.48 | 83.00 | 71.33 | 53.74 | 49.33 | 26.61 | 52.89 | |||||||||||||
2002 | 26.52 | 35.39 | 28.06 | 49.87 | 63.32 | 79.83 | 82.77 | 78.65 | 72.83 | 42.84 | 38.20 | 28.32 | 52.22 | |||||||||||||
2003 | 18.84 | 17.89 | 34.26 | 56.83 | 64.81 | 73.70 | 81.26 | 85.71 | 70.33 | 61.77 | 31.33 | 28.61 | 52.11 | |||||||||||||
2004 | 12.52 | 23.83 | 40.03 | 56.93 | 60.77 | 71.43 | 79.42 | 74.03 | 70.90 | 55.71 | 44.57 | 27.19 | 51.44 | |||||||||||||
2005 | 15.58 | 28.71 | 39.68 | 61.10 | 63.29 | 75.47 | 81.87 | 78.58 | 74.40 | 58.16 | 40.50 | 25.35 | 53.56 | |||||||||||||
2006 | 31.06 | 24.57 | 35.84 | 61.37 | 68.32 | 77.63 | 88.23 | 80.68 | 67.07 | 51.00 | 40.47 | 33.81 | 55.00 | |||||||||||||
2007 | 22.81 | 14.04 | 40.94 | 51.87 | 68.52 | 77.47 | 83.97 | 76.61 | 70.87 | 57.35 | 39.43 | 20.94 | 52.07 | |||||||||||||
2008 | 17.87 | 18.34 | 35.39 | 53.60 | 66.16 | 72.80 | 81.00 | 80.65 | 69.57 | 56.06 | 37.80 | 15.87 | 50.43 | |||||||||||||
2009 | 13.45 | 18.18 | 28.06 | 48.27 | 66.03 | 72.87 | 78.10 | 77.97 | 75.47 | 45.13 | 48.13 | 15.55 | 48.93 | |||||||||||||
2010 | 15.97 | 17.57 | 40.58 | 62.10 | 64.65 | 75.10 | 79.72 | b | 80.90 | 65.57 | 59.94 | 37.33 | 16.58 | 51.33 | ||||||||||||
2011 | 14.10 | 18.54 | 26.77 | 48.00 | 61.71 | 73.63 | 83.03 | 79.81 | 70.70 | 60.13 | 42.90 | 33.61 | 51.08 | |||||||||||||
2012 | 30.03 | 32.41 | 53.52 | 57.87 | 68.71 | 80.03 | 86.68 | 81.16 | 74.40 | 51.39 | 36.97 | 21.32 | 56.21 | |||||||||||||
2013 | 21.71 | 23.36 | 25.29 | 40.07 | 67.19 | 76.13 | 82.13 | 82.29 | 74.93 | 50.77 | 37.37 | 12.94 | 49.51 | |||||||||||||
2014 | 20.55 | 15.32 | 33.19 | 50.07 | 65.71 | 73.73 | 78.48 | 77.00 | 69.97 | 57.74 | 29.13 | 25.03 | 49.66 | |||||||||||||
2015 | 24.58 | 17.39 | 44.39 | 59.10 | 64.13 | 77.47 | 81.19 | 79.71 | 75.93 | 59.81 | 43.77 | 27.35 | 54.57 | |||||||||||||
2016 | 21.77 | 32.59 | 48.84 | 52.17 | 70.10 | 77.73 | 80.71 | 78.97 | 69.93 | 56.58 | 49.27 | 20.29 | 54.91 | |||||||||||||
2017 | 18.90 | 29.39 | 37.39 | 55.10 | 67.52 | 78.27 | 85.58 | 76.65 | 70.63 | 58.71 | 36.33 | 24.39 | 53.24 | |||||||||||||
2018 | 21.23 | 18.04 | 32.65 | 44.17 | 74.87 | 80.83 | 81.81 | 78.35 | 66.53 | 49.19 | 29.23 | 28.55 | 50.45 | |||||||||||||
2019 | 17.13 | 6.86 | 28.97 | 51.83 | 62.06 | 77.13 | 81.29 | 74.90 | 69.10 | 46.03 | 34.80 | 24.10 | 47.85 | |||||||||||||
2020 | 20.48 | 27.17 | 38.61 | 49.57 | 63.19 | 82.13 | 84.58 | 81.00 | 71.17 | 48.55 | 47.57 | 35.81 | 54.15 | |||||||||||||
2021 | 30.39 | 17.61 | 50.55 | 55.63 | 68.58 | 85.80 | 89.03 | 84.61 | 76.43 | 59.90 | 44.37 | 24.45 | 57.28 | |||||||||||||
2022 | 19.29 | 22.64 | 36.68 | 43.20 | 65.17 | a | 78.67 | 84.39 | 81.94 | 74.30 | 61.16 | 34.13 | 15.87 | 51.45 | ||||||||||||
2023 | 21.00 | 25.54 | 24.84 | 43.17 | 74.90 | 83.70 | 79.68 | 79.13 | 74.43 | 55.74 | 43.90 | 38.06 | 53.67 | |||||||||||||
2024 | 22.26 | 38.21 | 38.94 | 57.39 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.13 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 17.97 | 23.44 | 35.79 | 53.10 | 67.47 | 76.77 | 82.61 | 81.32 | 70.69 | 56.57 | 37.71 | 23.37 | 52.19 | |||||||||||||
S.D. | 7.35 | 6.98 | 6.78 | 6.22 | 4.15 | 3.85 | 3.37 | 3.64 | 3.98 | 4.66 | 6.02 | 6.67 | 2.27 | |||||||||||||
SKEW | -0.22 | 0.19 | 0.33 | 0.07 | 0.33 | 0.42 | -0.01 | 0.22 | -0.53 | -0.26 | 0.07 | -0.04 | 0.02 | |||||||||||||
MAX | 33.19 | 40.57 | 53.52 | 69.03 | 77.29 | 88.63 | 90.87 | 91.06 | 79.40 | 71.03 | 50.23 | 38.06 | 58.40 | |||||||||||||
MIN | -0.87 | 6.86 | 22.61 | 39.77 | 58.81 | 69.00 | 72.87 | 73.35 | 56.10 | 42.84 | 24.67 | 6.77 | 46.54 | |||||||||||||
YRS | 76 | 76 | 76 | 75 | 75 | 75 | 76 | 76 | 76 | 76 | 76 | 76 | 75 |