YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 91.00 | c | 91.00 | 94.00 | 84.00 | 82.00 | 59.00 | 60.00 | ----- | z | ||||||
1963 | 40.00 | 41.00 | 75.00 | 76.00 | e | 86.00 | 98.00 | b | 96.00 | 91.00 | 85.00 | 86.00 | 61.00 | 44.00 | 98.00 | g | ||||||||||
1964 | 48.00 | 57.00 | 57.00 | 87.00 | 91.00 | 97.00 | ----- | z | 88.00 | f | 89.00 | 79.00 | 71.00 | 31.00 | p | ----- | z | |||||||||
1965 | 42.00 | a | 47.00 | 39.00 | b | 76.00 | b | 86.00 | a | 87.00 | 94.00 | ----- | z | 80.00 | 81.00 | 71.00 | 54.00 | ----- | z | |||||||
1966 | 40.00 | 52.00 | 68.00 | 71.00 | 91.00 | 91.00 | 98.00 | 95.00 | 90.00 | 84.00 | 59.00 | b | 48.00 | a | 98.00 | c | ||||||||||
1967 | 45.00 | 47.00 | 80.00 | 74.00 | a | 92.00 | 90.00 | a | 93.00 | 88.00 | b | 81.00 | 88.00 | a | 55.00 | 52.00 | c | 93.00 | h | |||||||
1968 | 48.00 | 48.00 | a | 80.00 | a | 86.00 | a | 85.00 | a | 96.00 | 88.00 | 95.00 | 90.00 | 84.00 | 68.00 | 60.00 | 96.00 | d | ||||||||
1969 | 38.00 | 43.00 | 54.00 | 74.00 | 92.00 | 87.00 | 93.00 | 90.00 | b | 88.00 | 85.00 | 68.00 | 51.00 | 93.00 | b | |||||||||||
1970 | 40.00 | a | 49.00 | 48.00 | 90.00 | 90.00 | 96.00 | 92.00 | 92.00 | 86.00 | 84.00 | 55.00 | 57.00 | 96.00 | a | |||||||||||
1971 | 39.00 | 48.00 | 65.00 | 80.00 | 81.00 | 95.00 | 88.00 | a | 95.00 | 91.00 | 82.00 | a | 58.00 | 38.00 | 95.00 | b | ||||||||||
1972 | 41.00 | 38.00 | 53.00 | 74.00 | 89.00 | 90.00 | 86.00 | 96.00 | 81.00 | 72.00 | 54.00 | 41.00 | 96.00 | |||||||||||||
1973 | 53.00 | 40.00 | 60.00 | 73.00 | 79.00 | 91.00 | 93.00 | a | 91.00 | a | 80.00 | 78.00 | ----- | z | 46.00 | ----- | z | |||||||||
1974 | 41.00 | 42.00 | 59.00 | 86.00 | 83.00 | 87.00 | 98.00 | 92.00 | 84.00 | 76.00 | 67.00 | 46.00 | 98.00 | |||||||||||||
1975 | 41.00 | 39.00 | a | 45.00 | 68.00 | 88.00 | 90.00 | 96.00 | 90.00 | a | 84.00 | 87.00 | a | 73.00 | 53.00 | 96.00 | c | |||||||||
1976 | 42.00 | 58.00 | 67.00 | 80.00 | 79.00 | 93.00 | 99.00 | b | 93.00 | a | 90.00 | 88.00 | 59.00 | 42.00 | a | 99.00 | d | |||||||||
1977 | 31.00 | s | 48.00 | c | 64.00 | 86.00 | 92.00 | 90.00 | 99.00 | 92.00 | a | 87.00 | 71.00 | a | 65.00 | a | 42.00 | b | ----- | z | ||||||
1978 | ----- | z | 39.00 | 78.00 | 73.00 | 94.00 | 92.00 | 93.00 | 94.00 | 99.00 | 76.00 | 75.00 | 41.00 | a | ----- | z | ||||||||||
1979 | 28.00 | 40.00 | 49.00 | 76.00 | 89.00 | a | 91.00 | 92.00 | 92.00 | ----- | z | 77.00 | 64.00 | 56.00 | ----- | z | ||||||||||
1980 | 45.00 | d | 40.00 | 56.00 | 92.00 | a | 93.00 | 93.00 | 101.00 | a | 95.00 | a | 92.00 | a | 81.00 | a | 66.00 | 43.00 | 101.00 | i | ||||||
1981 | 56.00 | 65.00 | 71.00 | a | 76.00 | 83.00 | 90.00 | 95.00 | d | 90.00 | a | 88.00 | a | 68.00 | 64.00 | a | 42.00 | a | 95.00 | i | ||||||
1982 | 38.00 | j | 46.00 | c | 60.00 | a | 76.00 | c | 86.00 | h | 88.00 | b | 98.00 | b | 96.00 | a | 87.00 | a | ----- | z | ----- | z | 62.00 | f | ----- | z |
1983 | 39.00 | 46.00 | 64.00 | 75.00 | d | 78.00 | f | 94.00 | e | 98.00 | a | 96.00 | e | 90.00 | b | 80.00 | d | 66.00 | f | 33.00 | e | ----- | z | |||
1984 | 47.00 | h | 54.00 | e | 52.00 | f | 80.00 | f | 82.00 | b | 91.00 | c | 91.00 | b | 95.00 | c | 90.00 | h | 74.00 | i | 60.00 | e | 52.00 | j | ----- | z |
1985 | 40.00 | j | 52.00 | h | 70.00 | g | 90.00 | f | 87.00 | f | 103.00 | f | 96.00 | d | 93.00 | e | 94.00 | e | 72.00 | e | 56.00 | g | 40.00 | h | ----- | z |
1986 | 46.00 | j | 40.00 | i | 83.00 | i | 81.00 | f | 86.00 | d | 92.00 | d | 94.00 | d | 90.00 | e | 87.00 | f | 76.00 | f | 62.00 | h | 39.00 | f | ----- | z |
1987 | 48.00 | g | 55.00 | e | 73.00 | h | 88.00 | g | 92.00 | d | 98.00 | g | 98.00 | 95.00 | h | 89.00 | e | 76.00 | g | 64.00 | j | 49.00 | f | ----- | z | |
1988 | 43.00 | k | 47.00 | h | 58.00 | f | 77.00 | i | 92.00 | e | 100.00 | e | 103.00 | a | 104.00 | c | 92.00 | f | 76.00 | e | 60.00 | m | 46.00 | i | ----- | z |
1989 | 48.00 | i | 42.00 | j | 74.00 | h | 74.00 | g | 85.00 | e | 91.00 | d | 95.00 | b | 98.00 | 83.00 | a | 83.00 | a | 59.00 | a | 46.00 | ----- | z | ||
1990 | 48.00 | 54.00 | a | 69.00 | 84.00 | a | 88.00 | a | 91.00 | 101.00 | a | 93.00 | b | 90.00 | b | 83.00 | 77.00 | 50.00 | c | 101.00 | k | |||||
1991 | 44.00 | 50.00 | a | 76.00 | 88.00 | 92.00 | 100.00 | a | 94.00 | 94.00 | c | 87.00 | 80.00 | a | 50.00 | a | 51.00 | 100.00 | g | |||||||
1992 | 42.00 | a | 48.00 | 62.00 | a | 84.00 | 90.00 | 94.00 | b | 90.00 | 94.00 | 82.00 | i | 87.00 | a | 55.00 | i | 40.00 | j | ----- | z | |||||
1993 | 46.00 | i | 42.00 | j | 62.00 | d | 74.00 | j | 82.00 | i | 92.00 | i | 88.00 | h | 94.00 | f | 80.00 | l | 82.00 | k | 54.00 | j | 44.00 | j | ----- | z |
1994 | 39.00 | n | 52.00 | e | 70.00 | d | 87.00 | h | 88.00 | f | 100.00 | g | 92.00 | i | 93.00 | h | 88.00 | j | 75.00 | j | 61.00 | j | 47.00 | h | ----- | z |
1995 | 46.00 | e | 45.00 | i | 67.00 | j | 62.00 | j | 82.00 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 100.00 | 95.00 | 93.00 | 90.00 | 80.00 | 59.00 | a | 39.00 | a | ----- | z | |||||
1997 | 41.00 | a | 50.00 | a | 69.00 | 77.00 | 85.00 | 92.00 | 95.00 | 92.00 | a | 87.00 | a | 94.00 | a | 63.00 | a | 50.00 | 95.00 | f | ||||||
1998 | 49.00 | b | 53.00 | a | 69.00 | 80.00 | b | 92.00 | 88.00 | 94.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.00 | 51.00 | ----- | z | ||
2000 | 41.00 | 59.00 | 78.00 | 82.00 | 88.00 | 90.00 | 90.00 | 89.00 | 90.00 | 83.00 | 74.00 | 35.00 | 90.00 | |||||||||||||
2001 | 39.00 | 37.00 | 46.00 | 64.00 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 94.00 | x | 92.00 | d | 93.00 | 86.00 | 67.00 | b | 50.00 | ----- | z | |||
2003 | 53.00 | 55.00 | a | 70.00 | b | 90.00 | a | 83.00 | a | 91.00 | 90.00 | 97.00 | 94.00 | a | 85.00 | a | 61.00 | c | 50.00 | 97.00 | j | |||||
2004 | 40.00 | b | 47.00 | a | 66.00 | 88.00 | 85.00 | 92.00 | 90.00 | a | 87.00 | 87.00 | b | 80.00 | 71.00 | 52.00 | 92.00 | f | ||||||||
2005 | 44.00 | a | 52.00 | 69.00 | 80.00 | 78.00 | a | 94.00 | a | 96.00 | a | 92.00 | 90.00 | c | 85.00 | 70.00 | a | 46.00 | 96.00 | h | ||||||
2006 | 50.00 | a | 50.00 | a | 59.00 | 82.00 | 95.00 | b | 89.00 | 97.00 | 98.00 | b | 83.00 | 86.00 | 74.00 | 49.00 | 98.00 | f | ||||||||
2007 | 44.00 | 50.00 | 81.00 | 87.00 | 94.00 | 92.00 | 95.00 | 91.00 | 91.00 | 88.00 | 57.00 | 34.00 | a | 95.00 | a | |||||||||||
2008 | 45.00 | 36.00 | 52.00 | 75.00 | 80.00 | 91.00 | 92.00 | 88.00 | 87.00 | 78.00 | 74.00 | 46.00 | a | 92.00 | a | |||||||||||
2009 | 29.00 | a | 49.00 | 65.00 | a | 90.00 | a | 91.00 | a | 94.00 | 87.00 | 88.00 | 83.00 | a | 65.00 | 67.00 | 48.00 | 94.00 | e | |||||||
2010 | 36.00 | 36.00 | 73.00 | c | 82.00 | 94.00 | 91.00 | 92.00 | a | 93.00 | 89.00 | a | 88.00 | 69.00 | 44.00 | 94.00 | e | |||||||||
2011 | 33.00 | 50.00 | 53.00 | 81.00 | 89.00 | 100.00 | a | 98.00 | a | 94.00 | a | 92.00 | 85.00 | 60.00 | a | 48.00 | 100.00 | d | ||||||||
2012 | 55.00 | a | 47.00 | 82.00 | a | 76.00 | a | 91.00 | a | 95.00 | 100.00 | 98.00 | 93.00 | b | 76.00 | 70.00 | b | 62.00 | a | 100.00 | i | |||||
2013 | 45.00 | 38.00 | a | 49.00 | 74.00 | 98.00 | 87.00 | 95.00 | 95.00 | 93.00 | 77.00 | 58.00 | a | 42.00 | 98.00 | b | ||||||||||
2014 | 42.00 | 44.00 | 59.00 | 71.00 | a | 88.00 | 88.00 | 89.00 | 89.00 | 87.00 | 71.00 | a | 57.00 | 48.00 | 89.00 | b | ||||||||||
2015 | 42.00 | 37.00 | 65.00 | 79.00 | 85.00 | 92.00 | 90.00 | 90.00 | 89.00 | b | 85.00 | 72.00 | b | 49.00 | 92.00 | d | ||||||||||
2016 | 43.00 | 56.00 | a | 71.00 | a | 80.00 | 89.00 | 94.00 | 94.00 | 92.00 | 84.00 | 76.00 | 74.00 | 42.00 | 94.00 | b | ||||||||||
2017 | 39.00 | 61.00 | a | 63.00 | 73.00 | 86.00 | 95.00 | a | 94.00 | a | 87.00 | a | 93.00 | 80.00 | 61.00 | 63.00 | 95.00 | d | ||||||||
2018 | 46.00 | 52.00 | 53.00 | 71.00 | 99.00 | 97.00 | 97.00 | 93.00 | 94.00 | 83.00 | 54.00 | 45.00 | 99.00 | |||||||||||||
2019 | 48.00 | 41.00 | 63.00 | 85.00 | 85.00 | a | 91.00 | 96.00 | 92.00 | 88.00 | 91.00 | 48.00 | 45.00 | 96.00 | a | |||||||||||
2020 | 39.00 | 46.00 | 59.00 | 75.00 | 87.00 | 97.00 | 97.00 | 94.00 | 86.00 | 83.00 | 78.00 | 54.00 | 97.00 | |||||||||||||
2021 | 42.00 | 49.00 | 72.00 | 83.00 | a | 90.00 | 100.00 | 96.00 | 92.00 | 90.00 | 89.00 | 70.00 | 64.00 | 100.00 | a | |||||||||||
2022 | 43.00 | 46.00 | 68.00 | 72.00 | 96.00 | 101.00 | 99.00 | 94.00 | 97.00 | 83.00 | 79.00 | 46.00 | 101.00 | |||||||||||||
2023 | 41.00 | 45.00 | 50.00 | 95.00 | 87.00 | f | 94.00 | n | 94.00 | r | 93.00 | l | 85.00 | j | 73.00 | d | 69.00 | 55.00 | ----- | z | ||||||
2024 | 52.00 | 70.00 | 78.00 | 85.00 | a | 83.00 | t | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.06 | 47.96 | 63.71 | 79.96 | 88.24 | 92.77 | 94.46 | 92.85 | 88.38 | 81.15 | 65.14 | 48.02 | 95.87 | |||||||||||||
S.D. | 5.76 | 7.44 | 10.39 | 6.50 | 4.94 | 3.81 | 3.79 | 3.18 | 4.24 | 6.01 | 7.81 | 7.19 | 3.17 | |||||||||||||
SKEW | -0.06 | 0.52 | -0.21 | 0.31 | -0.11 | 0.56 | -0.13 | 0.64 | 0.02 | -0.51 | -0.11 | 0.21 | -0.45 | |||||||||||||
MAX | 56.00 | 70.00 | 82.00 | 95.00 | 99.00 | 101.00 | 103.00 | 104.00 | 99.00 | 94.00 | 79.00 | 64.00 | 101.00 | |||||||||||||
MIN | 28.00 | 36.00 | 39.00 | 68.00 | 78.00 | 87.00 | 86.00 | 87.00 | 80.00 | 65.00 | 48.00 | 33.00 | 89.00 | |||||||||||||
YRS | 48 | 53 | 52 | 49 | 51 | 53 | 54 | 52 | 50 | 52 | 49 | 49 | 23 |