YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1937 | ----- | z | ----- | z | 42.74 | 45.80 | 57.48 | 63.02 | 71.11 | 68.61 | 62.10 | 51.90 | 43.48 | 36.08 | 54.23 | b | ||||||||||
1938 | 36.05 | 32.96 | 39.06 | 48.42 | 55.63 | 64.28 | 69.45 | 68.24 | 62.57 | 48.95 | 35.82 | 35.39 | 49.74 | |||||||||||||
1939 | 35.87 | 32.88 | 43.87 | 52.33 | 56.82 | 61.90 | 73.24 | 74.29 | 63.00 | 50.10 | 45.05 | 39.81 | 52.43 | |||||||||||||
1940 | 34.19 | 39.69 | 43.77 | 48.28 | 60.21 | 69.15 | 68.76 | 71.18 | 58.65 | 52.40 | 38.40 | 36.68 | 51.78 | |||||||||||||
1941 | 37.29 | 41.18 | 42.32 | 44.87 | 55.19 | 60.63 | 70.79 | 66.40 | 56.17 | 48.24 | 42.35 | 35.58 | 50.08 | |||||||||||||
1942 | 26.53 | 34.95 | 40.18 | 47.13 | 51.03 | 60.25 | 70.48 | 69.02 | 60.45 | 51.58 | 41.93 | 36.60 | 49.18 | |||||||||||||
1943 | 34.35 | 39.75 | 43.85 | 50.77 | 55.00 | 57.22 | 70.42 | 65.02 | 64.03 | 50.21 | 40.27 | 30.10 | 50.08 | |||||||||||||
1944 | 32.56 | 35.09 | 39.58 | 43.77 | 54.98 | 57.45 | 67.29 | 65.95 | 61.20 | 52.76 | 38.12 | 33.39 | 48.51 | |||||||||||||
1945 | 33.18 | 37.27 | 37.48 | 45.58 | 53.42 | 60.35 | 71.18 | 67.52 | 60.18 | 53.60 | 40.25 | 33.45 | 49.45 | |||||||||||||
1946 | 33.58 | 34.54 | 40.66 | 49.15 | 55.71 | 60.40 | 69.34 | 69.89 | 59.30 | 45.50 | 38.08 | 35.21 | 49.28 | |||||||||||||
1947 | 31.50 | 41.95 | 43.23 | 48.48 | 60.29 | 60.28 | 66.55 | 66.10 | 61.45 | 51.65 | 35.50 | 32.40 | 49.95 | |||||||||||||
1948 | 35.95 | 32.48 | 36.42 | 44.67 | 51.95 | 62.18 | 67.74 | 65.24 | 60.48 | 50.84 | 38.18 | 27.03 | 47.76 | |||||||||||||
1949 | 14.08 | 30.21 | 40.18 | 51.52 | 54.69 | 62.75 | 68.84 | 65.23 | 60.92 | 47.74 | 44.23 | 31.52 | 47.66 | |||||||||||||
1950 | 29.24 | 38.93 | 39.19 | 47.95 | 53.97 | 60.42 | 69.98 | 68.15 | 59.42 | 53.24 | 45.43 | 38.56 | 50.37 | |||||||||||||
1951 | 33.08 | 36.45 | 38.44 | 49.70 | 53.82 | 63.33 | 69.98 | 66.48 | 62.27 | 46.77 | 40.05 | 30.53 | 49.24 | |||||||||||||
1952 | 26.15 | 35.72 | 33.95 | 47.75 | 55.44 | 58.95 | 70.39 | 67.27 | 61.92 | 54.13 | 34.50 | 33.98 | 48.35 | |||||||||||||
1953 | 40.26 | 35.52 | 40.24 | 45.42 | 47.79 | 56.97 | 70.47 | 65.58 | 63.95 | 49.10 | 42.28 | 32.66 | 49.19 | |||||||||||||
1954 | 35.23 | 39.91 | 37.23 | 50.35 | 58.97 | 59.98 | 69.40 | 63.61 | 57.70 | 49.61 | 41.38 | 32.21 | 49.63 | |||||||||||||
1955 | 24.74 | 32.02 | 38.65 | 41.38 | 53.40 | 62.30 | 66.68 | 69.50 | 59.82 | 50.71 | 39.40 | 35.60 | 47.85 | |||||||||||||
1956 | 34.05 | 27.57 | 41.37 | 46.23 | 54.89 | 61.62 | 68.61 | 64.79 | 61.27 | 47.68 | 36.80 | 30.52 | 47.95 | |||||||||||||
1957 | 25.77 | 38.84 | 42.37 | 45.70 | 53.45 | 64.87 | 68.53 | 64.95 | 61.47 | 46.84 | 36.55 | 35.16 | 48.71 | |||||||||||||
1958 | 34.31 | 41.20 | 36.94 | 45.07 | 59.15 | 61.37 | 68.35 | 72.02 | 60.17 | 52.56 | 38.70 | 37.66 | 50.62 | |||||||||||||
1959 | 36.45 | 33.84 | 42.61 | 50.28 | 51.27 | 65.25 | 72.90 | 66.74 | 57.35 | 51.76 | 39.58 | 29.40 | 49.79 | |||||||||||||
1960 | 27.48 | 36.10 | 44.24 | 48.20 | 51.74 | 65.17 | 70.40 | 65.50 | 61.00 | 48.90 | 40.03 | 32.03 | 49.23 | |||||||||||||
1961 | 33.37 | 40.70 | 41.53 | 47.02 | 53.37 | 66.60 | 69.37 | 69.10 | 55.90 | 49.65 | 36.50 | 31.69 | 49.57 | |||||||||||||
1962 | 26.69 | 34.05 | 39.55 | 50.08 | 51.53 | 61.67 | 66.97 | 61.48 | 60.80 | 51.16 | 40.80 | 33.82 | 48.22 | |||||||||||||
1963 | 28.15 | 44.34 | 40.50 | 41.72 | 57.13 | 58.98 | 65.06 | 64.71 | 63.23 | 52.37 | 40.17 | 35.10 | 49.29 | |||||||||||||
1964 | 32.42 | 34.12 | 37.69 | 45.25 | 51.89 | 61.28 | 70.66 | 66.87 | 58.07 | 55.23 | 37.98 | 35.97 | 48.95 | |||||||||||||
1965 | 33.55 | 40.02 | 43.16 | 49.63 | 53.98 | 59.20 | 66.11 | 65.79 | 54.90 | 52.35 | 41.58 | 29.94 | 49.19 | |||||||||||||
1966 | 33.34 | 34.79 | 43.37 | 50.17 | 60.65 | 63.63 | 65.68 | 67.48 | 58.65 | 49.55 | 41.00 | 34.02 | 50.19 | |||||||||||||
1967 | 37.02 | 40.32 | 40.53 | 40.23 | 54.87 | 59.85 | 69.63 | 70.95 | 62.60 | 50.97 | 42.70 | 28.24 | 49.83 | |||||||||||||
1968 | 31.73 | 42.36 | 42.42 | 44.55 | 52.79 | 62.83 | 72.94 | 64.47 | 59.53 | 50.58 | 40.77 | 31.40 | 49.70 | |||||||||||||
1969 | 36.97 | 34.18 | 40.74 | 48.33 | 58.11 | 61.97 | 70.79 | 68.76 | 63.32 | 45.24 | 39.02 | 36.65 | 50.34 | |||||||||||||
1970 | 37.31 | 41.93 | 41.40 | 44.05 | 57.98 | 65.08 | 73.03 | 71.53 | 57.15 | 48.00 | 45.33 | 29.21 | 51.00 | |||||||||||||
1971 | 32.95 | 36.89 | 40.85 | 45.90 | 50.89 | 59.70 | 71.48 | 70.73 | 56.47 | 45.79 | 37.47 | 26.56 | 47.97 | |||||||||||||
1972 | 25.48 | 40.21 | 47.11 | 46.15 | 56.82 | 65.03 | 70.63 | 67.58 | 56.57 | 48.47 | 38.02 | 25.05 | 48.93 | |||||||||||||
1973 | 28.37 | 37.61 | 37.89 | 43.77 | 58.79 | 64.32 | 70.05 | 67.40 | 58.47 | 49.15 | 42.78 | 38.26 | 49.74 | |||||||||||||
1974 | 31.60 | 36.16 | 42.82 | 46.50 | 54.82 | 63.88 | 66.92 | 65.71 | 61.42 | 49.31 | 40.37 | 31.05 | 49.21 | |||||||||||||
1975 | 32.24 | 34.11 | 38.42 | 39.83 | 54.18 | 62.35 | 70.37 | 64.76 | 64.17 | 49.50 | 35.88 | 33.76 | 48.30 | |||||||||||||
1976 | 32.06 | 34.98 | 38.29 | 44.48 | 57.48 | 61.02 | 68.95 | 62.10 | 62.03 | 51.29 | 42.37 | 30.45 | 48.79 | |||||||||||||
1977 | 32.27 | 39.93 | 38.03 | 51.32 | 48.52 | 68.52 | 69.45 | 69.81 | 60.73 | 52.18 | 41.83 | 38.26 | 50.90 | |||||||||||||
1978 | 37.06 | 38.38 | 47.24 | 45.28 | 52.29 | 61.52 | 69.47 | 67.18 | 57.57 | 53.50 | 37.23 | 24.90 | 49.30 | |||||||||||||
1979 | 28.85 | 36.88 | 41.85 | 46.88 | 57.05 | 63.87 | 69.92 | 67.73 | 64.23 | 53.97 | 37.98 | 35.45 | 50.39 | |||||||||||||
1980 | 36.89 | 40.55 | 38.52 | 49.78 | 54.44 | 60.77 | 71.32 | 67.47 | 63.03 | 50.94 | 41.78 | 36.19 | 50.97 | |||||||||||||
1981 | 36.02 | 38.80 | 41.63 | 50.70 | 57.48 | 68.28 | 67.92 | 69.42 | 64.68 | 46.92 | 42.47 | 38.94 | 51.94 | |||||||||||||
1982 | 28.52 | 40.27 | 40.19 | 43.98 | 54.95 | 61.78 | 70.35 | 68.81 | 57.00 | 46.85 | 36.20 | 32.31 | 48.43 | |||||||||||||
1983 | 34.18 | 38.62 | 40.48 | 43.77 | 53.27 | 62.50 | 67.13 | 69.92 | 62.90 | 54.06 | 41.20 | 38.76 | 50.57 | |||||||||||||
1984 | 31.89 | 37.17 | 44.21 | 45.77 | 59.42 | 61.65 | 73.31 | 69.74 | 63.08 | 46.19 | 39.58 | 30.68 | 50.22 | |||||||||||||
1985 | 30.61 | 36.93 | 38.63 | 52.68 | 56.27 | 68.57 | 73.42 | 68.42 | 57.35 | 50.34 | 34.83 | 31.19 | 49.94 | |||||||||||||
1986 | 40.26 | 42.73 | 47.66 | 49.17 | 57.32 | 67.47 | 69.39 | 72.94 | 56.33 | 50.94 | 42.95 | 35.26 | 52.70 | |||||||||||||
1987 | 31.61 | 38.36 | 43.42 | 54.77 | 59.71 | 67.85 | 68.15 | 71.29 | 65.00 | 56.26 | 41.82 | 31.94 | 52.51 | |||||||||||||
1988 | 33.00 | 40.19 | 44.05 | 51.18 | 56.53 | 66.97 | 75.18 | 73.23 | 63.33 | 58.34 | 42.68 | 31.11 | 52.98 | |||||||||||||
1989 | 30.87 | 31.09 | 46.40 | 53.97 | 56.98 | 66.28 | 72.52 | 67.61 | 61.85 | 51.32 | 41.80 | 35.81 | 51.38 | |||||||||||||
1990 | 34.31 | 30.77 | 45.69 | 54.43 | 56.42 | 65.67 | 73.66 | 71.13 | 65.33 | 54.69 | 40.92 | 25.71 | 51.56 | |||||||||||||
1991 | 31.79 | 43.68 | 39.82 | 46.82 | 51.76 | 62.47 | 74.31 | 71.53 | 65.80 | 56.60 | 43.38 | 33.65 | 51.80 | |||||||||||||
1992 | 34.35 | 41.74 | 46.85 | 55.78 | 64.89 | 66.48 | 70.79 | 72.69 | 64.80 | 55.29 | 39.82 | 30.63 | 53.68 | |||||||||||||
1993 | 25.73 | 34.27 | 48.47 | 48.70 | 58.37 | 61.87 | 68.98 | 69.98 | 65.33 | 54.89 | 40.37 | 36.53 | 51.12 | |||||||||||||
1994 | 37.73 | 38.45 | 48.71 | 52.88 | 59.74 | 68.48 | 77.15 | 73.68 | 64.97 | 52.26 | 35.08 | 35.65 | 53.73 | |||||||||||||
1995 | 38.21 | 45.96 | 43.29 | 47.47 | 55.02 | 62.10 | 72.05 | 72.69 | 62.97 | 52.39 | 46.33 | 38.05 | 53.04 | |||||||||||||
1996 | 37.53 | 39.50 | 42.23 | 48.52 | 55.10 | 64.02 | 72.89 | 69.97 | 59.98 | 49.87 | 41.28 | 38.34 | 51.60 | |||||||||||||
1997 | 34.18 | 37.73 | 46.74 | 47.42 | 60.71 | 62.55 | 69.35 | 69.76 | 62.53 | 49.52 | 41.95 | 30.97 | 51.12 | |||||||||||||
1998 | 38.19 | 36.20 | 42.23 | 45.40 | 50.85 | 63.28 | 75.77 | 74.90 | 65.65 | 49.77 | 42.75 | 31.66 | 51.39 | |||||||||||||
1999 | 37.61 | 39.66 | 43.87 | 46.65 | 58.73 | 67.30 | 73.69 | 69.98 | 65.82 | 55.97 | 46.67 | 34.82 | 53.40 | |||||||||||||
2000 | 38.68 | 41.24 | 45.61 | 54.05 | 60.45 | 70.90 | 72.82 | 73.37 | 63.42 | 51.97 | 37.77 | 36.82 | 53.93 | |||||||||||||
2001 | 33.02 | 35.77 | 48.61 | 47.75 | 66.45 | 69.87 | 74.16 | 76.08 | 67.98 | 58.21 | 44.55 | 36.50 | 54.91 | |||||||||||||
2002 | 34.39 | 40.84 | 42.66 | 51.98 | 58.27 | 69.93 | 78.40 | 72.47 | 66.33 | 52.58 | 43.10 | 37.45 | 54.03 | |||||||||||||
2003 | 43.05 | 37.54 | 46.48 | 45.42 | 60.39 | 71.60 | 79.23 | 74.06 | 68.03 | 59.37 | 39.98 | 38.10 | 55.27 | |||||||||||||
2004 | 36.21 | 38.66 | 51.50 | 53.67 | 60.94 | 70.32 | 77.92 | 74.23 | 65.87 | 52.53 | 40.28 | 34.94 | 54.75 | |||||||||||||
2005 | 28.89 | 38.55 | 46.21 | 49.13 | 59.94 | 64.30 | 79.98 | 75.63 | 62.83 | 55.40 | 45.37 | 38.98 | 53.77 | |||||||||||||
2006 | 37.81 | 39.16 | 39.11 | 50.70 | 62.40 | 72.70 | 79.71 | 73.56 | 65.58 | 52.82 | 44.30 | 34.81 | 54.39 | |||||||||||||
2007 | 31.23 | 40.79 | 49.39 | 53.03 | 63.40 | 72.42 | 79.98 | 76.24 | 63.58 | 52.52 | 44.33 | 34.05 | 55.08 | |||||||||||||
2008 | 32.08 | 38.91 | 45.02 | 49.88 | 59.32 | 69.67 | 77.53 | 77.00 | 68.05 | 54.56 | 46.28 | 34.32 | 54.39 | |||||||||||||
2009 | 37.56 | 40.14 | 43.71 | 50.33 | 65.02 | 66.22 | 77.69 | 73.87 | 69.58 | 51.97 | 43.75 | 26.90 | 53.90 | |||||||||||||
2010 | 36.84 | 40.80 | 45.21 | 48.27 | 52.82 | 68.35 | 77.84 | 72.63 | 67.40 | 55.90 | 40.90 | 39.26 | 53.85 | |||||||||||||
2011 | 37.27 | 34.80 | 44.47 | 48.95 | 54.39 | 65.60 | 75.39 | 75.60 | 70.55 | 56.37 | 42.08 | 33.61 | 53.26 | |||||||||||||
2012 | 38.94 | 39.28 | 45.73 | 53.50 | 61.55 | 68.88 | 77.73 | 78.95 | 70.72 | 58.03 | 45.73 | 36.44 | 56.29 | |||||||||||||
2013 | 30.16 | 38.38 | 49.35 | 53.97 | 61.06 | 71.80 | 80.19 | 74.26 | 66.63 | 51.34 | 44.17 | 28.73 | 54.17 | |||||||||||||
2014 | 39.35 | 44.64 | 48.26 | 54.33 | 61.98 | 71.53 | 80.45 | 73.89 | 68.90 | 58.37 | 45.75 | 40.05 | 57.29 | |||||||||||||
2015 | 40.34 | 46.25 | 52.10 | 52.28 | 59.90 | 74.07 | 75.18 | 76.00 | 69.53 | 59.87 | 38.48 | 35.85 | 56.65 | |||||||||||||
2016 | 37.63 | 43.79 | 48.27 | 54.80 | 60.16 | 73.00 | 76.34 | 75.79 | 66.50 | 55.53 | 46.48 | 36.92 | 56.27 | |||||||||||||
2017 | 33.21 | 41.38 | 48.56 | 51.65 | 62.10 | 72.52 | 80.45 | 78.71 | 65.87 | 53.84 | 48.67 | 36.42 | 56.11 | |||||||||||||
2018 | 42.40 | 37.75 | 42.42 | 53.25 | 61.53 | 71.45 | 81.84 | 77.39 | 68.30 | 54.21 | 44.00 | 37.21 | 55.98 | |||||||||||||
2019 | 39.19 | 35.14 | 44.73 | 55.30 | 58.05 | 70.92 | 76.85 | 77.65 | 64.67 | 50.63 | 45.38 | 38.00 | 54.71 | |||||||||||||
2020 | 40.81 | 42.31 | 42.98 | 53.07 | 60.90 | 68.05 | 77.19 | 78.00 | 69.37 | 57.53 | 42.13 | 35.95 | 55.69 | |||||||||||||
2021 | 37.79 | 40.18 | 43.08 | 53.72 | 61.13 | 75.20 | 81.66 | 75.27 | 68.22 | 52.65 | 47.80 | 36.55 | 56.10 | |||||||||||||
2022 | 37.97 | 39.04 | 48.98 | 51.07 | 58.66 | 69.78 | 79.61 | 78.84 | 71.27 | 58.21 | 38.22 | 35.95 | 55.63 | |||||||||||||
2023 | 31.18 | 35.88 | 38.87 | 51.95 | 60.61 | 66.80 | 80.90 | 76.16 | 66.23 | 56.39 | 44.00 | 40.00 | 54.08 | |||||||||||||
2024 | 39.90 | 41.22 | 44.13 | 52.59 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.75 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.82 | 38.12 | 42.85 | 48.76 | 56.88 | 64.98 | 72.47 | 70.37 | 62.83 | 52.06 | 41.19 | 34.06 | 51.53 | |||||||||||||
S.D. | 4.68 | 3.61 | 3.74 | 3.71 | 3.83 | 4.37 | 4.36 | 4.26 | 3.90 | 3.41 | 3.23 | 3.64 | 2.62 | |||||||||||||
SKEW | -0.94 | -0.29 | 0.24 | -0.13 | 0.04 | 0.36 | 0.55 | 0.19 | 0.08 | 0.20 | -0.01 | -0.58 | 0.45 | |||||||||||||
MAX | 43.05 | 46.25 | 52.10 | 55.78 | 66.45 | 75.20 | 81.84 | 78.95 | 71.27 | 59.87 | 48.67 | 40.05 | 57.29 | |||||||||||||
MIN | 14.08 | 27.57 | 33.95 | 39.83 | 47.79 | 56.97 | 65.06 | 61.48 | 54.90 | 45.24 | 34.50 | 24.90 | 47.66 | |||||||||||||
YRS | 87 | 87 | 88 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 86 |