YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.45 | 37.45 | k | |
1933 | 44.36 | f | 38.68 | 53.06 | 63.30 | 65.87 | a | 78.67 | 91.35 | 90.00 | a | 74.21 | a | 70.63 | a | 50.17 | 49.42 | 65.94 | a | |||||||
1934 | 51.16 | 51.46 | b | 62.71 | 71.27 | 77.97 | a | 79.20 | e | 89.69 | b | 89.93 | a | 75.07 | c | 72.10 | u | 52.21 | b | 41.67 | a | 67.49 | a | |||
1935 | 42.42 | 45.12 | b | 50.53 | a | 60.00 | 70.52 | 78.97 | 86.97 | 86.23 | 81.86 | i | 57.20 | f | 41.56 | c | 36.79 | c | 59.91 | b | ||||||
1936 | 42.43 | c | 26.34 | 51.77 | 65.26 | c | 76.06 | 79.79 | a | 88.35 | 87.16 | ----- | z | ----- | z | ----- | z | ----- | z | 64.65 | d | |||||
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | 40.58 | 42.50 | 54.03 | 63.37 | 71.60 | a | 82.73 | 92.81 | 87.52 | 84.10 | 64.97 | 46.00 | 43.19 | 64.45 | ||||||||||||
1939 | 47.00 | 43.29 | 55.48 | 67.33 | 75.97 | 77.90 | 90.94 | 91.48 | 80.77 | 66.23 | a | 56.14 | a | 49.70 | a | 66.85 | ||||||||||
1940 | 37.13 | 48.17 | 59.58 | 62.80 | 77.03 | a | 86.07 | 89.16 | 89.68 | 78.20 | 66.58 | 42.20 | 44.50 | a | 65.09 | |||||||||||
1941 | 39.97 | 50.64 | 61.03 | 64.83 | a | 68.90 | a | 76.33 | 92.71 | 85.90 | 71.30 | 61.16 | 57.07 | a | ----- | z | 66.35 | a | ||||||||
1942 | 29.45 | 45.74 | a | 57.03 | 66.28 | a | 68.38 | e | 75.33 | 90.45 | 91.32 | 82.10 | 69.39 | 48.17 | 45.90 | 64.13 | ||||||||||
1943 | 33.48 | 44.04 | 52.29 | 65.27 | 66.68 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.35 | g | |||||
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.63 | 62.58 | 42.93 | 43.42 | 57.39 | h | ||||
1957 | 25.84 | 41.57 | 51.45 | 62.50 | 71.39 | 81.07 | 87.19 | 85.00 | 81.90 | 57.65 | 51.48 | a | 48.85 | d | 62.16 | |||||||||||
1958 | 43.23 | 55.68 | 52.90 | a | 58.73 | 78.37 | a | 83.40 | 93.81 | 93.71 | 76.60 | 69.37 | a | 49.00 | 43.71 | 66.54 | ||||||||||
1959 | 42.32 | 43.11 | 55.03 | 63.48 | a | 67.61 | 78.97 | 93.10 | 84.42 | 73.30 | 65.42 | 49.67 | 40.55 | 63.08 | ||||||||||||
1960 | 32.90 | 47.21 | 55.00 | 63.27 | 68.10 | 83.40 | 97.29 | 85.58 | 80.43 | 66.35 | 51.87 | 35.77 | 63.93 | |||||||||||||
1961 | 43.29 | 55.14 | 55.74 | 61.77 | 69.94 | 88.00 | 94.58 | 95.48 | 75.60 | 64.23 | 45.53 | 41.83 | a | 65.93 | ||||||||||||
1962 | 39.65 | 47.68 | 52.29 | 68.37 | 64.55 | 80.87 | 89.71 | 84.94 | 80.90 | 64.19 | 52.73 | 46.52 | 64.37 | |||||||||||||
1963 | 36.10 | 51.21 | 56.74 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.48 | 52.67 | 37.68 | 50.65 | f | ||||||
1964 | 47.61 | 50.97 | 51.26 | 60.27 | 68.90 | 77.23 | 88.26 | 82.58 | 75.50 | 65.19 | 46.70 | 40.26 | 62.89 | |||||||||||||
1965 | 39.97 | 49.29 | 52.42 | 64.17 | 68.26 | 76.90 | 88.84 | 85.58 | 73.67 | 71.90 | 53.87 | 43.68 | 64.04 | |||||||||||||
1966 | 42.84 | 47.61 | 55.03 | 64.43 | 74.55 | 76.70 | 85.10 | 87.52 | 80.00 | 66.61 | 53.83 | 47.77 | 65.17 | |||||||||||||
1967 | 49.52 | 51.18 | 53.19 | 55.50 | 68.81 | 81.23 | 91.90 | 95.52 | 85.23 | 66.68 | 50.80 | 43.97 | 66.13 | |||||||||||||
1968 | 46.00 | 49.79 | 59.55 | 60.57 | 71.58 | 80.53 | 92.71 | 81.87 | 77.73 | 64.29 | 49.57 | 41.06 | 64.60 | |||||||||||||
1969 | 27.65 | 42.04 | 55.16 | 60.63 | 72.32 | 81.63 | 88.00 | 85.39 | 78.17 | 60.42 | 54.50 | 40.84 | 62.23 | |||||||||||||
1970 | 39.68 | 47.64 | 52.26 | 56.40 | 71.06 | 82.97 | 91.16 | 90.45 | 71.67 | 61.55 | 50.60 | 43.90 | 63.28 | |||||||||||||
1971 | 46.26 | 50.64 | 49.90 | 59.53 | 70.58 | 70.47 | 89.71 | 94.23 | 72.77 | 62.19 | 51.13 | 42.90 | 63.36 | |||||||||||||
1972 | 40.58 | 43.62 | 56.42 | 58.57 | 72.42 | 79.73 | 87.00 | 89.42 | 73.50 | 63.35 | 50.67 | 35.23 | 62.54 | |||||||||||||
1973 | 39.13 | 45.46 | 55.06 | 62.00 | 73.19 | 79.27 | 89.65 | 87.13 | 75.43 | 63.45 | 47.07 | 47.55 | 63.70 | |||||||||||||
1974 | 35.90 | 50.43 | 54.71 | 58.50 | 66.71 | 82.93 | 86.26 | 87.87 | 82.37 | 67.19 | 50.73 | 46.42 | 64.17 | |||||||||||||
1975 | 41.77 | 42.75 | 50.32 | 54.63 | 67.71 | 73.63 | 89.90 | 82.55 | 80.40 | 62.39 | 50.63 | 44.71 | 61.78 | |||||||||||||
1976 | 45.06 | 45.17 | 51.13 | 58.60 | 71.61 | 74.43 | 87.74 | 79.61 | 81.70 | 67.16 | 50.17 | 44.77 | 63.10 | |||||||||||||
1977 | 31.39 | 48.11 | 51.23 | 67.27 | 64.06 | 83.43 | 85.74 | 91.16 | 71.23 | 63.13 | 48.47 | 41.58 | 62.23 | |||||||||||||
1978 | 38.81 | 46.32 | 56.26 | 58.07 | 66.00 | 79.67 | 87.39 | 83.55 | 72.73 | 67.74 | 43.63 | 38.77 | 61.58 | |||||||||||||
1979 | 23.58 | 44.00 | 55.48 | 59.77 | 71.19 | 81.60 | 89.55 | 85.32 | 81.53 | 67.65 | 42.63 | 46.90 | 62.43 | |||||||||||||
1980 | 34.65 | 44.03 | 50.90 | 65.57 | 68.26 | 72.13 | 87.81 | 83.45 | 77.37 | 64.32 | 50.27 | 46.32 | 62.09 | |||||||||||||
1981 | 42.71 | 47.57 | 56.06 | 60.70 | 67.48 | 72.77 | 85.42 | 92.19 | 78.97 | 61.52 | 54.67 | 44.58 | 63.72 | |||||||||||||
1982 | 41.61 | 46.32 | 52.52 | 59.33 | 68.74 | 80.50 | 86.45 | 87.45 | 75.33 | 62.61 | 43.93 | a | 41.29 | 62.17 | ||||||||||||
1983 | 48.00 | 52.04 | 56.48 | 61.60 | 72.32 | 75.73 | 82.32 | 88.29 | 73.23 | 64.97 | 53.27 | 30.10 | 63.20 | |||||||||||||
1984 | 41.74 | 46.79 | 55.19 | 58.20 | 65.42 | 72.97 | 89.81 | 88.35 | 74.50 | 61.58 | 49.87 | 36.74 | 61.76 | |||||||||||||
1985 | 29.77 | 42.71 | 53.32 | 66.20 | 72.19 | 80.37 | 95.23 | 82.97 | 69.60 | 62.29 | 35.40 | 25.52 | 59.63 | |||||||||||||
1986 | 42.87 | 45.93 | 58.52 | 60.67 | 69.48 | 85.47 | 82.71 | 93.03 | 72.33 | 68.32 | 48.97 | 37.10 | 63.78 | |||||||||||||
1987 | 37.52 | 47.32 | 55.68 | 68.20 | 73.58 | 82.43 | 85.06 | 87.19 | 83.20 | 71.52 | 52.03 | 40.81 | 65.38 | |||||||||||||
1988 | 39.61 | 50.41 | 55.55 | 63.80 | 69.19 | 76.57 | 89.52 | 88.45 | 78.90 | 73.61 | 51.90 | 41.16 | 64.89 | |||||||||||||
1989 | 44.68 | 33.29 | 51.94 | 64.37 | 68.84 | 81.27 | 87.97 | 82.84 | 79.53 | 64.55 | 53.90 | 39.81 | 62.75 | |||||||||||||
1990 | 44.48 | ----- | z | 56.74 | 67.60 | 68.00 | 77.80 | 91.97 | 87.48 | 85.10 | 63.74 | 54.53 | 35.13 | a | 66.60 | a | ||||||||||
1991 | 39.65 | 54.57 | 52.48 | 62.17 | 65.74 | 72.73 | 88.65 | 91.16 | 82.03 | 66.90 | 47.73 | 43.03 | a | 63.90 | ||||||||||||
1992 | 44.53 | a | 50.97 | 59.29 | 65.13 | 76.45 | 85.67 | 85.81 | 88.00 | 75.60 | 67.19 | 46.47 | 40.00 | 65.43 | ||||||||||||
1993 | 32.84 | 36.44 | c | 50.10 | 60.90 | 73.55 | 75.87 | 79.13 | 83.42 | 80.60 | 68.42 | 46.10 | 40.55 | 60.66 | ||||||||||||
1994 | 49.16 | 41.75 | 58.48 | 65.33 | 71.74 | 78.23 | 92.13 | 88.48 | 82.43 | 63.48 | 46.43 | 43.23 | 65.07 | |||||||||||||
1995 | 40.65 | 51.71 | 55.48 | 60.27 | 69.84 | 75.00 | 87.74 | 83.90 | 81.23 | 62.55 | 54.37 | 40.48 | 63.60 | |||||||||||||
1996 | 43.10 | 41.52 | 52.10 | 63.00 | 64.65 | 77.77 | 92.10 | 89.16 | 75.23 | 63.68 | 47.83 | 44.26 | 62.87 | |||||||||||||
1997 | 41.42 | 45.43 | 55.42 | 60.13 | 73.52 | 77.30 | 86.32 | 90.35 | 79.27 | 65.00 | 50.52 | a | 41.27 | a | 63.83 | |||||||||||
1998 | 46.65 | 52.68 | 55.32 | 60.77 | 66.61 | 77.63 | 95.26 | 91.71 | 83.47 | 65.71 | 53.30 | 44.39 | 66.12 | |||||||||||||
1999 | 49.58 | 50.79 | 55.32 | 60.87 | 68.60 | a | 78.37 | 87.61 | 88.97 | 79.87 | 66.06 | 56.43 | 44.58 | 65.59 | ||||||||||||
2000 | 41.97 | 46.79 | 53.10 | 66.60 | 70.06 | 78.00 | 88.13 | 88.61 | 74.55 | a | 63.03 | 43.70 | 37.61 | 62.68 | ||||||||||||
2001 | 39.23 | 44.32 | 57.55 | 59.57 | 74.71 | 76.83 | 87.45 | 90.90 | 83.33 | 64.81 | 52.37 | 44.26 | 64.61 | |||||||||||||
2002 | 46.03 | 51.39 | 49.48 | 62.17 | 69.23 | 81.07 | 92.90 | 86.39 | 80.17 | 63.61 | 51.63 | 45.32 | 64.95 | |||||||||||||
2003 | 46.13 | 49.29 | 58.35 | 61.23 | 69.55 | 83.60 | 93.74 | 89.81 | 82.67 | 71.47 | a | 48.83 | 44.16 | 66.57 | ||||||||||||
2004 | 33.97 | 47.83 | 61.23 | 65.53 | 67.23 | 78.00 | 90.65 | 88.77 | 76.50 | 66.97 | 52.87 | 46.65 | 64.68 | |||||||||||||
2005 | 43.68 | 51.25 | 60.63 | a | 63.67 | 71.45 | 77.03 | 90.74 | 90.39 | 77.63 | 66.52 | 48.23 | 38.52 | 64.98 | ||||||||||||
2006 | 52.61 | 47.18 | 54.03 | 62.27 | 71.65 | 78.70 | 94.32 | 88.32 | 78.90 | 64.97 | a | 51.87 | 40.42 | 65.44 | ||||||||||||
2007 | 39.13 | 46.82 | 58.74 | 61.38 | a | 72.29 | 79.63 | 92.04 | c | 83.29 | 77.83 | 63.52 | 51.13 | 42.65 | 64.04 | |||||||||||
2008 | 39.90 | a | 49.62 | 53.26 | 59.53 | 70.43 | a | 73.92 | d | 89.61 | 86.87 | 79.34 | a | 65.14 | c | 54.17 | 38.67 | a | 63.37 | |||||||
2009 | 41.03 | 44.54 | 49.10 | 61.79 | b | 65.83 | m | 83.33 | x | ----- | z | 85.18 | i | 80.76 | a | 57.50 | o | ----- | z | ----- | z | 55.44 | g | |||
2010 | 47.47 | a | 51.04 | 57.26 | 58.63 | 63.16 | 72.43 | 87.16 | 88.04 | f | 76.97 | 63.84 | 46.93 | 43.00 | 60.72 | a | ||||||||||
2011 | 43.42 | 45.46 | 54.29 | 55.87 | 64.19 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.65 | g | ||||
2012 | 46.81 | 44.83 | 53.59 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.35 | 47.64 | h | |||
2013 | 36.84 | 48.75 | 56.35 | 61.20 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.79 | h | ||||
2014 | ----- | z | ----- | z | 55.19 | 61.27 | 72.32 | 77.63 | 93.97 | 89.55 | 80.20 | 71.39 | 47.17 | 42.97 | 69.17 | b | ||||||||||
2015 | 43.63 | a | 53.53 | m | 61.32 | l | 61.30 | c | 71.56 | f | 89.45 | h | 91.08 | g | 89.35 | 75.87 | 69.58 | 47.37 | 44.00 | 61.59 | e | |||||
2016 | 42.10 | 52.97 | 56.40 | a | 67.80 | 71.06 | 81.93 | a | 86.10 | 88.32 | 74.60 | 63.03 | 57.47 | 36.03 | 64.82 | |||||||||||
2017 | 30.23 | 41.82 | 54.29 | 60.07 | 70.81 | 78.07 | 92.10 | 92.03 | 78.60 | 62.90 | 54.23 | 36.52 | 62.64 | |||||||||||||
2018 | 46.45 | b | 44.86 | 54.52 | 61.17 | 74.39 | 76.86 | a | 91.94 | 87.71 | 75.07 | 61.52 | 49.70 | 43.71 | 63.99 | |||||||||||
2019 | 44.03 | 34.14 | 42.87 | 60.97 | 71.29 | 78.83 | 86.61 | 88.13 | 75.33 | 58.45 | 49.37 | 43.71 | 61.14 | |||||||||||||
2020 | 47.90 | 50.90 | 52.65 | 64.23 | 70.19 | 76.87 | 87.74 | 89.29 | 80.73 | 66.35 | 51.30 | 43.00 | 65.10 | |||||||||||||
2021 | 46.71 | 41.04 | 55.77 | 64.47 | 70.77 | 86.70 | 95.73 | i | 88.00 | e | 76.29 | f | 65.20 | a | 53.35 | d | 41.84 | 61.38 | b | |||||||
2022 | 41.35 | 48.71 | 57.23 | 55.50 | 64.70 | h | 75.04 | e | 92.52 | 93.29 | 82.00 | b | 72.13 | a | 41.25 | b | 35.17 | y | 65.90 | b | ||||||
2023 | ----- | z | ----- | z | ----- | z | 59.57 | 76.39 | 81.43 | 94.13 | 89.97 | 73.88 | m | 63.25 | g | 49.57 | b | 44.32 | 70.77 | e | ||||||
2024 | 38.33 | a | 49.28 | 56.55 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.05 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.02 | 46.59 | 54.68 | 62.10 | 70.33 | 78.89 | 89.53 | 88.06 | 78.08 | 65.39 | 49.79 | 41.95 | 63.82 | |||||||||||||
S.D. | 5.93 | 5.05 | 3.24 | 3.34 | 3.44 | 3.71 | 3.37 | 3.35 | 3.77 | 3.28 | 4.15 | 4.23 | 1.54 | |||||||||||||
SKEW | -0.75 | -1.20 | -0.29 | 0.18 | 0.21 | 0.13 | -0.27 | -0.07 | -0.18 | 0.36 | -0.76 | -1.07 | -0.24 | |||||||||||||
MAX | 52.61 | 55.68 | 62.71 | 71.27 | 78.37 | 88.00 | 97.29 | 95.52 | 85.23 | 73.61 | 57.47 | 49.70 | 66.85 | |||||||||||||
MIN | 23.58 | 26.34 | 42.87 | 54.63 | 63.16 | 70.47 | 79.13 | 79.61 | 69.60 | 57.65 | 35.40 | 25.52 | 59.63 | |||||||||||||
YRS | 75 | 74 | 76 | 75 | 71 | 70 | 69 | 70 | 69 | 69 | 72 | 72 | 59 |