Precipitation annual maximum series (inches) Station ID: 79-0059 Station name: HELENA RGNL AP State: MT Latitude (decimal degrees): 46.6056 Longitude (decimal degrees): -111.9636 Elevation (feet): 3828 Duration: 15 minutes 08/04/2001 0.21 07/14/2002 0.36 06/19/2003 0.27 08/02/2004 0.63 06/22/2005 0.26 07/12/2006 0.16 06/15/2009 0.39 08/28/2011 0.37 08/10/2012 0.22 06/12/2013 0.32 09/23/2014 0.22 09/17/2015 0.22 06/07/2016 0.44 06/12/2017 0.22 05/09/2018 0.39 08/11/2019 0.51 05/19/2020 0.25 08/17/2021 0.19 Duration: 30 minutes 08/04/2001 0.24 07/14/2002 0.53 06/19/2003 0.36 08/02/2004 0.87 06/22/2005 0.29 07/12/2006 0.23 05/21/2007 0.17 06/15/2009 0.46 08/28/2011 0.41 08/10/2012 0.24 06/12/2013 0.49 09/23/2014 0.26 09/17/2015 0.24 06/07/2016 0.48 06/12/2017 0.44 06/07/2018 0.47 08/11/2019 0.56 05/19/2020 0.34 08/17/2021 0.23 Duration: 45 minutes 02/21/2001 0.27 07/14/2002 0.54 06/19/2003 0.37 08/02/2004 0.96 06/22/2005 0.29 07/12/2006 0.29 05/21/2007 0.23 04/05/2008 0.14 07/27/2009 0.53 06/06/2011 0.42 08/10/2012 0.25 06/12/2013 0.57 09/23/2014 0.27 09/16/2015 0.25 06/07/2016 0.49 06/12/2017 0.48 06/07/2018 0.48 08/11/2019 0.57 05/19/2020 0.36 08/17/2021 0.31 Duration: 1 hour 05/29/1949 0.31 08/05/1950 0.49 07/25/1951 0.62 07/19/1952 0.21 06/28/1953 0.27 05/30/1954 0.36 07/10/1955 0.89 08/24/1956 0.24 08/22/1957 0.45 06/08/1958 0.56 06/21/1959 0.29 08/15/1960 0.28 07/27/1961 0.29 06/13/1962 0.53 08/19/1963 0.28 08/19/1964 0.30 06/12/1965 0.36 06/30/1966 0.15 08/05/1967 0.30 08/04/1968 0.79 06/20/1969 0.38 06/27/1970 0.56 07/09/1971 0.20 06/08/1972 0.54 05/25/1973 0.21 08/20/1974 0.39 07/03/1975 0.83 06/06/1976 0.46 06/14/1977 0.43 07/02/1978 0.35 06/18/1979 1.23 09/11/1980 0.48 05/19/1981 0.39 06/28/1982 0.90 08/21/1983 1.60 05/15/1984 0.41 05/29/1985 0.24 08/31/1986 0.44 06/18/1987 0.44 06/26/1988 0.46 07/26/1989 0.26 08/24/1990 0.55 06/19/1991 0.49 06/29/1992 0.33 07/25/1993 0.48 06/03/1995 0.34 05/16/1996 0.33 08/17/1997 0.45 07/28/1998 0.73 05/03/1999 0.27 08/04/2000 0.29 05/28/2001 0.76 07/14/2002 0.48 06/19/2003 0.33 08/02/2004 0.91 06/22/2005 0.24 07/12/2006 0.28 05/21/2007 0.25 05/23/2008 0.17 07/27/2009 0.54 08/10/2010 0.42 06/06/2011 0.43 08/10/2012 0.23 06/12/2013 0.54 09/23/2014 0.24 09/16/2015 0.23 06/07/2016 0.41 06/12/2017 0.56 06/07/2018 0.48 08/11/2019 0.45 05/19/2020 0.32 08/17/2021 0.35 07/03/2022 0.73 06/08/2023 0.52 Duration: 2 hours 05/29/1949 0.35 06/14/1950 0.56 07/25/1951 0.67 03/25/1952 0.34 05/24/1953 0.38 05/30/1954 0.60 07/10/1955 0.98 06/15/1956 0.35 08/22/1957 0.48 06/08/1958 0.65 06/15/1959 0.38 08/15/1960 0.41 06/12/1961 0.34 06/13/1962 0.57 07/09/1963 0.36 08/19/1964 0.53 06/12/1965 0.53 11/06/1965 0.20 08/05/1967 0.32 08/04/1968 0.85 06/20/1969 0.41 06/27/1970 0.61 05/30/1971 0.24 06/08/1972 0.58 05/25/1973 0.36 08/20/1974 0.67 07/03/1975 0.96 08/23/1976 0.50 06/14/1977 0.52 07/02/1978 0.38 06/18/1979 1.44 09/11/1980 0.83 05/21/1981 0.53 06/28/1982 1.55 08/21/1983 1.72 05/15/1984 0.44 08/11/1985 0.40 08/31/1986 0.63 09/15/1987 0.53 06/26/1988 0.62 09/17/1989 0.33 08/24/1990 0.59 06/19/1991 0.53 06/29/1992 0.49 07/25/1993 0.52 06/03/1995 0.54 05/16/1996 0.52 08/17/1997 0.48 07/28/1998 1.20 05/03/1999 0.48 08/04/2000 0.31 05/28/2001 1.07 07/14/2002 0.65 06/19/2003 0.39 08/02/2004 1.06 06/01/2005 0.45 06/08/2006 0.43 05/21/2007 0.51 05/23/2008 0.27 07/27/2009 0.82 08/10/2010 0.63 08/30/2011 0.70 08/10/2012 0.25 06/12/2013 0.60 08/23/2014 0.32 05/27/2015 0.31 06/07/2016 0.44 06/12/2017 0.61 06/07/2018 0.52 05/26/2019 0.81 06/06/2020 0.39 08/17/2021 0.38 07/03/2022 0.80 06/08/2023 0.60 Duration: 3 hours 05/19/1949 0.36 06/14/1950 0.57 07/25/1951 0.68 03/25/1952 0.46 05/24/1953 0.54 05/30/1954 0.69 07/10/1955 1.00 08/06/1956 0.46 09/17/1957 0.54 05/06/1958 0.67 06/15/1959 0.39 08/15/1960 0.61 06/12/1961 0.35 06/13/1962 0.89 07/09/1963 0.39 08/19/1964 0.65 06/12/1965 0.61 06/02/1966 0.22 02/04/1967 0.40 08/04/1968 0.87 07/06/1969 0.43 06/27/1970 0.62 05/30/1971 0.33 06/08/1972 0.59 05/25/1973 0.38 08/20/1974 0.82 07/03/1975 0.98 08/23/1976 0.54 05/14/1977 0.57 07/02/1978 0.38 06/18/1979 1.67 09/11/1980 1.06 05/21/1981 0.67 06/28/1982 1.58 08/21/1983 1.76 05/15/1984 0.45 08/11/1985 0.51 08/31/1986 0.74 09/15/1987 0.68 06/26/1988 0.63 09/17/1989 0.44 08/24/1990 0.61 09/11/1991 0.64 06/29/1992 0.50 07/07/1993 0.53 05/11/1995 0.72 05/16/1996 0.58 08/17/1997 0.49 07/28/1998 1.22 08/11/1999 0.64 05/30/2000 0.32 05/28/2001 1.10 07/14/2002 0.66 06/19/2003 0.40 08/02/2004 1.09 06/01/2005 0.64 04/05/2006 0.48 05/21/2007 0.61 05/23/2008 0.33 07/27/2009 0.97 08/10/2010 0.84 06/07/2011 0.81 08/10/2012 0.26 06/12/2013 0.64 08/23/2014 0.49 05/27/2015 0.35 06/07/2016 0.46 06/12/2017 0.63 06/07/2018 0.54 05/26/2019 0.90 06/06/2020 0.40 08/21/2021 0.45 07/03/2022 0.82 06/08/2023 0.61 Duration: 6 hours 09/11/1949 0.47 06/14/1950 0.58 04/30/1951 0.69 03/25/1952 0.71 05/24/1953 0.73 05/30/1954 0.73 07/10/1955 1.01 06/15/1956 0.58 09/17/1957 0.67 06/03/1958 0.78 05/25/1959 0.45 08/15/1960 0.65 06/12/1961 0.40 06/13/1962 1.15 10/14/1962 0.50 05/03/1964 1.03 06/12/1965 0.74 05/10/1967 0.58 08/04/1968 0.88 07/06/1969 0.69 06/27/1970 0.63 05/30/1971 0.50 06/08/1972 0.60 05/25/1973 0.48 08/20/1974 1.05 07/30/1975 1.07 08/23/1976 0.70 05/14/1977 0.95 07/07/1978 0.52 06/18/1979 1.73 09/11/1980 1.24 05/21/1981 1.17 06/28/1982 1.60 08/21/1983 1.77 06/11/1984 0.64 08/11/1985 0.62 08/31/1986 0.83 09/15/1987 0.80 06/26/1988 0.80 09/17/1989 0.62 08/24/1990 0.80 09/11/1991 0.88 06/29/1992 0.50 10/04/1992 0.61 05/11/1995 0.82 05/16/1996 0.62 05/24/1997 0.57 07/28/1998 1.24 08/11/1999 0.86 06/15/2000 0.36 05/28/2001 1.12 07/14/2002 0.67 04/18/2003 0.52 08/02/2004 1.11 06/01/2005 1.09 04/05/2006 0.69 05/21/2007 1.01 05/23/2008 0.51 07/27/2009 1.12 08/10/2010 0.88 06/07/2011 1.21 01/18/2012 0.32 08/01/2013 0.70 08/23/2014 0.82 05/16/2015 0.57 06/07/2016 0.46 06/12/2017 0.64 05/31/2018 0.72 09/08/2019 1.28 05/19/2020 0.72 08/17/2021 0.66 07/03/2022 0.82 09/22/2023 0.86 Duration: 12 hours 06/16/1949 0.77 05/01/1950 0.69 04/29/1951 0.93 03/25/1952 0.74 05/24/1953 0.99 06/10/1954 0.77 07/10/1955 1.01 06/15/1956 0.99 05/19/1957 1.02 06/03/1958 1.11 05/25/1959 0.53 08/15/1960 0.66 03/26/1961 0.51 06/13/1962 1.15 10/14/1962 0.56 05/03/1964 1.66 06/25/1965 0.81 05/10/1967 0.91 09/19/1968 0.95 07/06/1969 0.93 06/27/1970 1.00 05/30/1971 0.63 08/22/1972 0.61 05/24/1973 0.67 08/20/1974 1.48 07/30/1975 1.42 08/23/1976 0.84 05/14/1977 1.09 07/04/1978 0.62 06/18/1979 1.76 09/11/1980 1.54 05/21/1981 1.65 06/28/1982 1.60 08/21/1983 1.80 04/19/1984 0.97 08/10/1985 0.95 08/31/1986 1.08 09/15/1987 0.80 09/17/1988 0.92 09/17/1989 0.89 08/24/1990 0.80 06/19/1991 0.95 06/29/1992 0.60 06/15/1993 0.89 06/03/1995 0.88 05/16/1996 0.62 05/24/1997 0.83 07/28/1998 1.24 08/11/1999 0.92 06/15/2000 0.50 05/28/2001 1.15 05/22/2002 0.86 04/18/2003 0.63 08/02/2004 1.14 06/01/2005 1.41 04/05/2006 1.08 05/21/2007 1.22 05/23/2008 0.64 07/27/2009 1.14 08/10/2010 0.88 06/06/2011 1.59 01/18/2012 0.61 08/01/2013 0.93 10/02/2013 0.84 05/16/2015 0.80 06/07/2016 0.48 05/17/2017 0.66 05/31/2018 0.78 09/08/2019 1.34 05/19/2020 0.88 10/23/2020 0.78 07/03/2022 1.07 06/08/2023 0.98 Duration: 1 day 06/18/1928 0.61 09/12/1930 1.13 05/26/1931 0.60 06/16/1932 1.05 08/21/1933 2.56 06/07/1934 0.86 03/04/1935 0.80 06/03/1936 0.67 09/21/1937 1.21 05/20/1938 0.81 06/18/1939 0.64 09/28/1940 0.65 09/20/1941 1.00 05/12/1942 0.76 06/02/1943 1.20 05/18/1944 1.10 06/10/1945 0.80 09/16/1946 0.73 06/09/1947 1.55 05/08/1948 1.01 06/16/1949 0.71 05/01/1950 0.75 04/29/1951 1.07 03/25/1952 0.67 05/24/1953 1.40 06/10/1954 0.72 07/09/1955 0.86 06/15/1956 0.85 05/19/1957 1.70 06/03/1958 1.04 05/25/1959 0.51 08/15/1960 0.84 03/26/1961 0.50 05/12/1962 1.16 06/03/1963 0.56 05/03/1964 1.76 06/25/1965 1.09 05/09/1967 0.95 09/19/1968 1.15 07/06/1969 1.28 06/27/1970 0.90 08/29/1971 0.59 08/22/1972 0.53 05/24/1973 0.59 08/19/1974 1.59 07/30/1975 1.39 09/17/1976 1.01 05/14/1977 0.94 07/04/1978 0.80 06/18/1979 1.52 09/11/1980 1.38 05/21/1981 1.97 06/28/1982 1.32 07/09/1983 1.93 04/19/1984 0.96 08/10/1985 1.08 08/31/1986 1.14 07/17/1987 0.88 09/17/1988 1.02 09/17/1989 0.87 08/24/1990 0.69 06/19/1991 0.84 08/22/1992 0.56 06/15/1993 0.94 07/05/1994 0.37 05/11/1995 1.00 05/16/1996 0.54 05/24/1997 0.92 07/28/1998 1.05 08/11/1999 0.82 06/15/2000 0.69 09/05/2001 1.08 06/09/2002 1.26 04/18/2003 0.55 08/22/2004 0.97 06/01/2005 1.25 04/05/2006 1.34 05/21/2007 1.18 05/22/2008 0.90 07/27/2009 0.96 06/16/2010 0.98 06/06/2011 1.41 01/18/2012 0.72 11/08/2012 0.93 08/23/2014 0.70 05/16/2015 0.74 05/20/2016 0.44 09/14/2017 0.89 06/18/2018 0.99 09/08/2019 1.18 06/28/2020 0.84 10/23/2020 0.85 07/03/2022 0.93 09/22/2023 1.08 Duration: 2 days 07/18/1928 0.88 09/12/1930 1.25 05/26/1931 0.95 06/05/1932 1.35 08/21/1933 2.83 06/06/1934 1.22 03/04/1935 0.96 06/02/1936 1.01 09/21/1937 1.37 05/19/1938 1.30 06/05/1939 0.95 06/07/1940 1.20 09/19/1941 1.11 05/11/1942 0.95 06/01/1943 1.32 05/18/1944 1.42 09/21/1945 0.97 09/16/1946 1.41 06/08/1947 2.32 06/03/1948 1.65 06/16/1949 0.78 05/01/1950 1.11 04/29/1951 1.19 03/24/1952 1.00 05/23/1953 1.91 05/30/1954 1.08 07/10/1955 1.28 06/14/1956 1.05 05/19/1957 2.27 06/02/1958 1.26 05/25/1959 0.91 04/22/1960 0.96 03/25/1961 0.80 06/13/1962 1.38 05/09/1963 0.70 05/01/1964 2.09 06/24/1965 1.29 05/09/1967 1.19 09/19/1968 1.49 06/24/1969 1.82 06/26/1970 1.16 08/29/1971 0.95 12/25/1971 0.75 05/24/1973 0.66 08/19/1974 1.76 06/17/1975 1.86 09/17/1976 1.11 05/14/1977 1.04 07/04/1978 1.04 06/17/1979 1.79 05/08/1980 1.56 05/20/1981 3.01 06/27/1982 1.49 07/09/1983 2.20 04/18/1984 1.07 08/10/1985 1.31 08/30/1986 1.31 07/17/1987 1.41 09/17/1988 1.13 09/17/1989 0.96 08/24/1990 1.15 06/19/1991 0.96 06/14/1992 0.76 06/14/1993 1.21 05/17/1994 0.59 05/11/1995 1.75 05/22/1996 0.63 05/23/1997 1.29 07/28/1998 1.16 05/28/1999 1.09 06/15/2000 0.92 10/11/2000 1.27 06/09/2002 1.91 06/19/2003 0.62 09/18/2004 1.13 06/01/2005 1.65 05/27/2006 1.61 05/20/2007 1.53 05/22/2008 1.35 07/27/2009 1.19 06/15/2010 1.31 06/06/2011 2.08 01/18/2012 1.06 11/08/2012 1.34 08/23/2014 1.29 09/03/2015 1.00 06/07/2016 0.70 09/14/2017 1.58 06/18/2018 1.29 09/08/2019 1.38 05/19/2020 1.15 05/19/2021 1.02 09/29/2022 1.52 09/21/2023 1.38 Duration: 3 days 05/28/1927 2.09 07/18/1928 1.05 09/10/1930 1.27 05/26/1931 0.99 06/05/1932 1.42 08/21/1933 2.88 06/06/1934 1.39 03/04/1935 0.98 06/01/1936 1.17 09/21/1937 1.55 05/18/1938 1.86 06/05/1939 1.03 06/06/1940 1.22 06/03/1941 1.35 05/11/1942 0.97 06/01/1943 1.35 05/17/1944 1.45 06/08/1945 1.20 09/15/1946 1.44 06/08/1947 2.59 05/07/1948 2.02 05/29/1949 0.94 05/01/1950 1.16 04/29/1951 1.21 03/24/1952 1.02 05/23/1953 1.95 05/30/1954 1.35 07/09/1955 1.34 06/14/1956 1.08 05/19/1957 2.32 06/01/1958 1.38 05/25/1959 1.23 04/22/1960 1.04 03/24/1961 0.93 05/12/1962 1.70 05/08/1963 0.82 04/30/1964 2.88 06/23/1965 1.42 05/09/1967 1.21 09/18/1968 1.59 06/24/1969 2.13 06/26/1970 1.20 08/29/1971 0.98 12/25/1971 0.77 05/24/1973 0.68 08/19/1974 1.79 06/17/1975 1.90 10/11/1975 1.45 05/14/1977 1.33 07/02/1978 1.37 06/16/1979 1.84 05/23/1980 1.81 05/19/1981 3.47 06/28/1982 1.63 07/09/1983 2.24 04/18/1984 1.09 08/10/1985 1.66 08/30/1986 1.34 07/17/1987 1.49 09/17/1988 1.15 09/17/1989 0.98 08/24/1990 1.17 06/19/1991 1.44 06/13/1992 1.04 07/24/1993 1.28 05/17/1994 0.73 05/11/1995 1.86 05/22/1996 0.70 05/23/1997 1.46 07/28/1998 1.21 05/28/1999 1.12 06/15/2000 0.94 10/11/2000 1.48 06/07/2002 2.60 06/19/2003 0.64 08/22/2004 1.33 06/01/2005 1.81 06/07/2006 2.12 05/20/2007 1.66 05/21/2008 1.84 07/24/2009 1.25 08/10/2010 1.47 06/06/2011 2.73 01/18/2012 1.10 11/08/2012 1.38 08/22/2014 1.62 09/03/2015 1.02 04/12/2016 0.76 09/14/2017 1.63 06/16/2018 1.73 09/06/2019 1.94 06/27/2020 1.28 05/20/2021 1.24 09/29/2022 1.63 09/21/2023 1.41 Duration: 4 days 05/27/1927 2.21 07/17/1928 1.20 09/09/1930 1.28 05/26/1931 1.00 06/05/1932 1.51 08/19/1933 2.91 06/06/1934 1.40 03/04/1935 0.99 06/01/1936 1.18 09/21/1937 1.81 05/18/1938 1.88 10/15/1938 1.11 06/06/1940 1.23 07/24/1941 1.43 05/09/1942 0.99 05/30/1943 1.67 05/16/1944 1.55 06/07/1945 1.21 09/15/1946 1.45 06/08/1947 2.62 05/06/1948 2.06 05/28/1949 1.07 06/12/1950 1.24 04/29/1951 1.22 03/24/1952 1.03 05/21/1953 1.98 05/30/1954 1.36 07/08/1955 1.38 06/14/1956 1.09 05/19/1957 2.35 05/31/1958 1.84 05/25/1959 1.24 04/20/1960 1.11 03/24/1961 0.94 05/12/1962 1.90 05/08/1963 0.90 04/30/1964 3.21 06/12/1965 1.84 05/09/1967 1.22 09/17/1968 1.67 06/23/1969 2.16 06/26/1970 1.21 08/29/1971 1.00 12/23/1971 0.83 05/24/1973 0.72 08/19/1974 1.81 06/17/1975 1.92 10/11/1975 1.47 05/14/1977 1.35 07/04/1978 1.57 06/16/1979 1.86 09/07/1980 2.01 05/19/1981 3.74 06/27/1982 1.68 07/06/1983 2.29 04/18/1984 1.10 08/10/1985 1.68 08/30/1986 1.35 07/17/1987 1.50 09/17/1988 1.16 09/17/1989 0.99 08/20/1990 1.21 06/19/1991 1.46 06/13/1992 1.32 07/03/1993 1.34 05/17/1994 0.81 05/11/1995 1.90 06/22/1996 0.83 05/23/1997 1.56 07/28/1998 1.57 05/28/1999 1.18 06/13/2000 0.95 10/11/2000 1.50 06/07/2002 2.67 04/14/2003 0.78 08/22/2004 1.36 06/01/2005 1.83 06/07/2006 2.16 05/21/2007 1.79 05/21/2008 1.99 07/24/2009 1.26 08/10/2010 1.69 06/06/2011 2.76 01/18/2012 1.16 11/08/2012 1.39 08/21/2014 1.64 05/12/2015 1.06 06/07/2016 0.81 09/13/2017 1.66 06/16/2018 2.04 09/06/2019 1.99 05/18/2020 1.32 05/19/2021 1.59 09/29/2022 1.72 09/21/2023 1.42 Duration: 7 days 05/26/1927 2.46 07/16/1928 1.21 12/07/1929 1.48 05/26/1931 1.09 06/05/1932 1.58 08/19/1933 2.94 06/01/1934 1.95 03/04/1935 1.00 06/02/1936 1.86 09/21/1937 1.83 05/18/1938 1.92 10/12/1938 1.19 06/03/1940 1.25 05/30/1941 1.61 05/29/1942 1.39 05/29/1943 1.72 06/12/1944 1.79 06/04/1945 1.99 09/15/1946 1.47 06/04/1947 2.99 05/04/1948 2.09 05/27/1949 1.26 04/27/1950 1.40 05/31/1951 1.32 05/14/1952 1.09 05/23/1953 2.40 05/30/1954 1.68 07/04/1955 1.65 06/14/1956 1.12 05/14/1957 2.41 06/03/1958 2.40 05/25/1959 1.25 04/18/1960 1.19 03/24/1961 0.95 05/12/1962 2.16 06/03/1963 1.22 04/30/1964 3.43 06/12/1965 2.30 06/06/1967 1.27 06/06/1968 1.82 06/20/1969 2.65 06/26/1970 1.23 08/29/1971 1.27 12/23/1971 0.84 05/24/1973 0.73 08/13/1974 2.14 06/17/1975 1.95 10/07/1975 1.77 05/14/1977 1.37 07/01/1978 2.07 06/14/1979 1.89 09/07/1980 2.24 05/16/1981 4.35 06/22/1982 1.97 07/06/1983 2.33 04/19/1984 1.25 08/10/1985 2.09 09/12/1986 1.67 07/17/1987 1.76 09/11/1988 1.18 06/09/1989 1.05 08/18/1990 2.13 06/19/1991 1.56 06/11/1992 1.39 07/19/1993 1.87 05/16/1994 0.91 05/06/1995 2.62 05/16/1996 1.10 05/20/1997 1.61 06/13/1998 1.86 05/28/1999 2.15 06/10/2000 1.25 05/28/2001 2.27 06/04/2002 2.71 04/18/2003 1.01 05/16/2004 1.75 06/01/2005 2.15 06/04/2006 2.28 05/20/2007 2.05 05/20/2008 2.08 07/24/2009 1.49 06/10/2010 2.25 06/06/2011 3.10 05/21/2012 1.18 05/22/2013 1.49 08/21/2014 1.66 05/12/2015 1.07 05/15/2016 0.95 09/14/2017 1.72 06/16/2018 2.32 09/06/2019 2.21 05/15/2020 1.46 05/19/2021 1.98 09/29/2022 1.74 06/01/2023 1.98 Duration: 10 days 05/21/1927 3.97 06/14/1928 1.36 12/08/1929 1.65 05/26/1931 1.17 05/30/1932 1.63 08/19/1933 3.00 05/31/1934 2.13 03/04/1935 1.02 06/01/1936 2.05 09/21/1937 2.11 05/18/1938 1.96 10/09/1938 1.71 05/31/1940 1.73 05/27/1941 1.69 05/29/1942 1.70 05/29/1943 1.85 06/12/1944 2.53 06/01/1945 2.23 09/08/1946 1.70 05/31/1947 3.60 05/26/1948 2.23 05/23/1949 1.35 06/06/1950 1.70 05/29/1951 1.95 05/12/1952 1.19 05/24/1953 3.05 06/01/1954 1.74 07/03/1955 1.81 06/15/1956 1.48 05/12/1957 2.59 05/31/1958 2.96 05/19/1959 1.48 08/15/1960 1.46 03/25/1961 0.98 05/12/1962 2.67 06/02/1963 1.33 04/30/1964 3.63 06/12/1965 2.35 06/04/1967 1.70 06/04/1968 1.90 06/20/1969 2.77 06/26/1970 1.25 05/28/1971 1.38 08/13/1972 1.29 05/20/1973 0.76 08/11/1974 2.65 07/29/1975 2.57 10/06/1975 1.82 05/14/1977 1.49 07/01/1978 2.29 06/17/1979 1.94 09/07/1980 2.36 05/16/1981 4.62 06/22/1982 2.18 07/01/1983 2.81 04/18/1984 1.29 08/10/1985 2.24 09/12/1986 1.81 07/09/1987 2.23 09/10/1988 2.06 09/09/1989 1.13 08/17/1990 2.37 06/19/1991 1.92 06/09/1992 1.43 07/17/1993 2.34 05/15/1994 0.97 05/04/1995 2.70 05/16/1996 1.41 05/23/1997 1.82 06/11/1998 2.05 05/28/1999 2.27 06/10/2000 1.38 05/25/2001 2.41 06/01/2002 3.59 04/15/2003 1.18 05/16/2004 1.95 06/01/2005 2.19 06/03/2006 2.42 05/20/2007 2.63 05/20/2008 2.14 08/05/2009 1.63 06/09/2010 2.33 05/31/2011 3.36 01/18/2012 1.24 05/20/2013 1.65 08/15/2014 1.76 05/26/2015 1.28 06/07/2016 1.28 09/13/2017 1.90 06/16/2018 2.50 09/06/2019 2.25 05/12/2020 1.50 05/19/2021 2.03 09/22/2022 1.96 06/02/2023 2.18 Duration: 20 days 05/17/1927 4.50 06/15/1928 1.77 12/06/1929 1.93 05/26/1931 1.31 06/05/1932 2.92 08/21/1933 3.15 05/31/1934 2.27 03/04/1935 1.09 06/01/1936 2.29 09/21/1937 2.27 06/17/1938 3.10 05/31/1939 2.34 05/25/1940 2.57 09/19/1941 2.49 05/23/1942 2.50 05/29/1943 2.41 06/09/1944 4.10 05/22/1945 2.75 09/02/1946 2.43 05/31/1947 4.42 06/03/1948 2.99 05/14/1949 2.54 06/06/1950 1.98 05/25/1951 2.10 05/02/1952 1.79 05/19/1953 3.86 05/22/1954 2.77 06/24/1955 3.17 06/14/1956 1.92 05/03/1957 3.23 05/31/1958 4.11 05/19/1959 1.84 08/06/1960 1.98 04/18/1961 1.22 05/08/1962 3.67 06/02/1963 1.92 04/23/1964 4.25 06/12/1965 3.85 05/29/1967 2.85 06/06/1968 2.37 06/20/1969 4.48 06/09/1970 1.97 05/17/1971 2.00 12/25/1971 1.39 08/06/1974 3.93 04/22/1975 3.71 06/03/1976 2.74 09/15/1977 1.90 06/29/1978 2.82 05/31/1979 2.51 05/06/1980 3.85 05/05/1981 5.48 09/10/1982 2.74 06/24/1983 3.38 06/04/1984 2.08 08/02/1985 2.63 08/30/1986 3.39 07/02/1987 2.65 09/10/1988 2.09 05/28/1989 1.60 08/10/1990 2.57 06/04/1991 2.55 06/12/1992 2.18 07/07/1993 3.57 05/15/1994 1.24 04/28/1995 3.20 05/11/1996 2.20 05/23/1997 3.15 06/14/1998 3.21 05/29/1999 2.71 05/29/2000 1.90 05/25/2001 2.97 05/22/2002 4.59 04/15/2003 2.12 05/10/2004 2.21 06/01/2005 3.62 05/26/2006 4.20 05/19/2007 3.62 05/21/2008 3.11 07/27/2009 2.97 05/28/2010 2.94 05/22/2011 5.08 05/26/2012 1.51 05/16/2013 2.46 08/05/2014 2.04 05/14/2015 2.29 05/20/2016 1.51 09/13/2017 2.15 05/31/2018 3.79 09/06/2019 2.46 06/14/2020 2.44 05/07/2021 2.22 09/15/2022 2.70 05/24/2023 2.95 Duration: 30 days 05/17/1927 5.29 06/22/1928 2.17 09/12/1930 2.67 05/26/1931 1.58 05/19/1932 3.19 08/19/1933 3.41 05/31/1934 2.62 03/04/1935 1.23 05/20/1936 2.55 09/06/1937 2.47 06/13/1938 3.56 05/22/1939 2.92 05/25/1940 2.68 09/05/1941 2.99 05/11/1942 3.51 05/29/1943 2.67 06/01/1944 4.74 05/12/1945 4.09 09/03/1946 3.07 05/19/1947 4.61 05/07/1948 4.39 05/19/1949 2.87 04/06/1950 2.20 05/28/1951 2.40 05/02/1952 2.09 05/10/1953 4.07 05/30/1954 3.02 06/14/1955 3.65 06/15/1956 2.24 05/19/1957 4.23 05/31/1958 4.72 05/25/1959 2.65 07/28/1960 2.11 04/18/1961 1.49 05/11/1962 3.92 05/31/1963 2.60 04/30/1964 4.40 06/12/1965 4.06 05/29/1967 3.14 05/13/1968 3.05 06/09/1969 5.17 06/07/1970 2.11 05/13/1971 2.20 07/24/1972 1.67 05/20/1973 1.27 08/06/1974 4.32 07/29/1975 4.35 05/24/1976 2.95 05/14/1977 2.01 06/18/1978 3.16 03/25/1979 2.99 05/08/1980 4.73 05/16/1981 6.12 06/02/1982 3.03 06/11/1983 4.77 05/26/1984 2.23 08/10/1985 2.80 08/21/1986 3.89 07/02/1987 2.88 05/30/1988 2.32 08/20/1989 2.36 08/10/1990 2.68 06/02/1991 3.27 06/12/1992 2.99 06/27/1993 5.32 04/21/1994 1.65 05/06/1995 4.25 05/01/1996 2.42 05/20/1997 3.45 06/05/1998 3.96 05/28/1999 3.15 05/27/2000 2.19 05/24/2001 3.12 05/20/2002 5.06 04/14/2003 2.49 08/22/2004 3.34 06/01/2005 4.55 05/21/2006 4.38 05/19/2007 4.03 05/20/2008 3.72 07/24/2009 3.38 05/22/2010 4.39 05/20/2011 5.65 05/17/2012 1.74 05/16/2013 3.33 08/13/2014 2.20 05/05/2015 2.64 05/19/2016 2.21 05/16/2017 2.42 05/30/2018 4.62 08/10/2019 3.32 06/06/2020 3.26 10/13/2020 2.34 09/15/2022 3.09 05/25/2023 3.34 Duration: 45 days 04/29/1927 5.91 06/08/1928 3.40 09/08/1930 3.10 05/22/1931 2.70 06/05/1932 4.19 07/27/1933 3.57 06/01/1934 2.98 05/23/1935 1.67 04/25/1936 3.35 05/26/1937 2.93 05/18/1938 4.82 05/07/1939 3.37 05/25/1940 3.11 05/24/1941 4.41 05/09/1942 4.02 04/25/1943 3.39 05/18/1944 6.36 05/12/1945 4.42 08/24/1946 3.41 05/31/1947 5.02 05/04/1948 5.39 05/16/1949 3.70 05/01/1950 3.11 05/27/1951 3.67 05/14/1952 2.81 04/23/1953 4.43 05/22/1954 3.83 06/14/1955 4.52 05/23/1956 2.68 05/03/1957 5.04 05/31/1958 5.82 05/16/1959 3.42 07/09/1960 2.84 03/24/1961 2.31 05/03/1962 5.75 06/03/1963 3.28 04/30/1964 5.62 05/14/1965 5.33 05/09/1967 4.41 05/12/1968 3.92 05/30/1969 5.64 06/26/1970 2.66 04/24/1971 2.60 07/11/1972 2.19 05/03/1973 1.55 07/30/1974 4.46 06/17/1975 6.09 05/10/1976 3.50 05/03/1977 3.10 06/18/1978 3.29 03/17/1979 3.44 05/03/1980 6.39 05/01/1981 7.22 05/17/1982 4.61 07/09/1983 5.50 05/13/1984 3.00 08/10/1985 4.05 08/11/1986 4.24 06/05/1987 4.10 04/18/1988 2.87 08/07/1989 2.61 07/24/1990 3.03 05/11/1991 4.32 05/26/1992 3.57 06/14/1993 6.70 04/19/1994 2.03 04/25/1995 5.35 05/12/1996 3.36 05/20/1997 4.57 05/21/1998 5.47 04/27/1999 4.38 05/27/2000 2.89 05/16/2001 3.33 05/18/2002 5.79 04/01/2003 3.17 08/17/2004 3.36 05/09/2005 5.94 05/19/2006 4.46 05/03/2007 4.62 05/06/2008 4.20 07/03/2009 3.67 05/18/2010 4.86 04/29/2011 6.70 05/04/2012 1.86 05/16/2013 3.86 01/30/2014 2.63 04/22/2015 3.01 05/09/2016 2.75 05/06/2017 2.61 05/09/2018 6.08 08/09/2019 4.08 05/18/2020 4.51 04/18/2021 2.90 09/15/2022 3.75 05/24/2023 3.83 Duration: 60 days 05/07/1927 6.32 05/28/1928 3.56 09/08/1930 3.22 05/07/1931 2.85 05/21/1932 4.62 08/21/1933 3.98 05/01/1934 3.18 05/13/1935 2.03 04/23/1936 4.10 06/04/1937 4.57 05/18/1938 5.73 04/24/1939 3.77 05/25/1940 4.11 05/30/1941 5.33 04/29/1942 4.50 04/19/1943 4.01 05/16/1944 6.99 05/04/1945 4.73 04/29/1946 3.88 05/26/1947 5.66 05/05/1948 6.61 05/13/1949 3.92 04/27/1950 3.76 05/27/1951 4.31 05/01/1952 3.50 04/05/1953 4.72 05/16/1954 4.35 05/13/1955 4.92 06/14/1956 3.34 05/03/1957 5.48 05/31/1958 6.01 05/01/1959 3.83 07/09/1960 3.19 03/24/1961 2.74 05/08/1962 6.75 05/03/1963 3.93 04/23/1964 7.69 04/29/1965 6.09 04/19/1967 5.57 05/04/1968 4.30 05/15/1969 6.20 06/07/1970 3.49 05/13/1971 3.10 12/25/1971 2.26 04/19/1973 1.87 07/06/1974 4.71 06/09/1975 6.86 04/25/1976 4.66 05/14/1977 3.81 05/18/1978 3.88 04/22/1979 3.91 05/06/1980 7.80 04/20/1981 7.88 05/16/1982 5.19 06/24/1983 6.55 04/18/1984 3.45 08/10/1985 5.08 07/26/1986 4.56 05/20/1987 5.22 04/28/1988 3.32 07/21/1989 3.76 06/27/1990 3.09 05/11/1991 5.08 05/26/1992 3.86 05/28/1993 7.93 04/19/1994 2.77 04/29/1995 6.11 05/11/1996 4.08 05/23/1997 5.44 05/13/1998 6.37 04/27/1999 5.10 05/09/2000 3.01 05/25/2001 4.98 05/21/2002 6.94 04/15/2003 3.70 08/02/2004 4.60 05/04/2005 6.66 04/16/2006 5.32 04/18/2007 5.21 04/19/2008 4.53 06/19/2009 4.08 04/22/2010 5.14 04/29/2011 7.10 05/21/2012 2.30 05/19/2013 4.38 01/12/2014 2.95 07/21/2015 3.41 04/12/2016 3.25 09/09/2017 3.19 04/29/2018 6.69 08/10/2019 4.76 05/12/2020 4.85 03/30/2021 3.32 05/12/2022 3.79 09/15/2022 4.58