Precipitation annual maximum series (inches)
Station ID: 86-0482
Station name: Flattop Mtn.
State: MT
Latitude (decimal degrees): 48.8022
Longitude (decimal degrees): -113.8571
Elevation (feet): 6300

Duration: 1 day
11/08/1978    3.00
05/25/1980    2.30
03/29/1981    2.40
01/04/1982    2.30
11/17/1982    1.70
05/19/1984    2.20
06/06/1985    1.80
04/22/1986    2.40
04/17/1987    2.20
09/25/1988    1.40
06/21/1989    2.20
03/19/1990    2.60
12/10/1990    2.60
02/12/1992    1.70
06/12/1993    1.80
12/04/1993    2.50
06/06/1995    4.30
11/08/1995    2.20
12/29/1996    2.00
01/06/1998    1.40
12/28/1998    2.20
10/08/1999    2.80
06/03/2001    1.70
02/22/2002    2.60
03/05/2003    1.80
11/18/2003    2.50
03/27/2005    2.00
06/15/2006    2.40
11/06/2006    5.13
12/03/2007    2.00
01/07/2009    2.50
03/29/2010    2.00
01/14/2011    2.20
11/22/2011    2.10
11/20/2012    2.30
06/17/2014    3.10
11/28/2014    2.30
05/22/2016    3.00
02/05/2017    2.00
11/23/2017    2.40
10/02/2018    2.50
12/20/2019    2.40
11/04/2020    1.90
10/28/2021    3.85
08/30/2023    2.80

Duration: 2 days
11/07/1978    3.31
05/25/1980    3.00
03/29/1981    3.40
02/13/1982    3.10
07/01/1983    2.70
01/03/1984    2.70
06/06/1985    3.50
04/22/1986    3.20
04/17/1987    2.50
01/13/1988    2.10
10/15/1988    2.60
03/19/1990    3.10
12/09/1990    3.50
12/05/1991    2.10
03/14/1993    2.30
12/03/1993    2.80
06/06/1995    4.80
10/10/1995    4.00
12/29/1996    3.10
06/15/1998    2.40
12/28/1998    3.40
10/07/1999    3.09
06/03/2001    2.10
02/21/2002    3.90
03/05/2003    2.80
11/17/2003    3.40
09/29/2005    3.70
01/10/2006    3.20
11/06/2006    9.00
12/02/2007    3.50
01/07/2009    4.20
04/28/2010    2.90
01/13/2011    3.30
11/22/2011    3.30
11/19/2012    3.70
06/17/2014    4.60
11/27/2014    4.20
05/22/2016    4.00
02/05/2017    3.30
11/22/2017    4.20
10/01/2018    2.76
12/20/2019    3.60
11/04/2020    3.10
10/28/2021    4.80
08/29/2023    3.09

Duration: 3 days
11/06/1978    4.20
12/02/1979    3.10
12/25/1980    4.00
02/12/1982    3.90
11/17/1982    3.20
01/02/1984    2.90
06/05/1985    4.20
02/23/1986    3.63
04/16/1987    2.70
12/09/1987    2.90
10/14/1988    3.20
01/25/1990    4.90
11/22/1990    4.30
12/04/1991    2.50
12/08/1992    2.40
12/02/1993    3.10
06/05/1995    5.00
01/13/1996    4.70
12/29/1996    4.50
01/05/1998    3.10
12/26/1998    4.50
11/11/1999    3.40
06/03/2001    2.30
02/21/2002    4.60
11/18/2002    3.00
01/28/2004    4.50
09/29/2005    5.10
01/06/2006    3.70
11/05/2006    9.70
12/02/2007    4.70
01/06/2009    5.20
04/27/2010    3.50
01/14/2011    4.40
11/21/2011    4.00
11/19/2012    4.50
06/17/2014    4.80
11/26/2014    5.40
05/21/2016    4.40
02/04/2017    4.50
11/21/2017    5.00
12/18/2018    2.90
12/20/2019    4.40
11/04/2020    3.40
10/27/2021    5.20
08/29/2023    3.20

Duration: 4 days
11/05/1978    4.80
05/22/1980    3.70
03/29/1981    4.30
01/04/1982    5.50
01/07/1983    4.20
05/19/1984    4.10
06/05/1985    4.80
11/01/1985    4.40
08/13/1987    3.30
03/23/1988    3.60
07/13/1989    3.60
01/25/1990    5.60
11/22/1990    4.90
12/03/1991    3.00
01/24/1993    2.90
12/01/1993    3.80
06/05/1995    5.05
01/13/1996    5.30
12/29/1996    4.90
01/04/1998    3.60
12/26/1998    5.70
12/12/1999    4.00
06/03/2001    2.80
06/08/2002    4.80
03/05/2003    3.30
01/27/2004    5.80
09/29/2005    5.15
01/10/2006    5.30
11/04/2006   10.30
12/01/2007    4.80
01/05/2009    5.70
04/27/2010    3.80
01/13/2011    5.50
11/21/2011    4.70
11/18/2012    5.00
06/15/2014    4.85
11/25/2014    5.80
12/07/2015    4.70
02/03/2017    5.10
11/20/2017    6.10
12/18/2018    3.30
12/19/2019    4.80
11/04/2020    3.80
02/28/2022    6.20
12/24/2022    3.60

Duration: 7 days
02/06/1979    5.70
05/20/1980    4.60
12/21/1980    6.30
02/13/1982    7.30
01/04/1983    6.10
05/19/1984    5.30
06/02/1985    5.20
02/19/1986    6.57
11/15/1986    4.50
03/21/1988    4.70
12/29/1988    4.70
01/25/1990    8.30
11/19/1990    5.70
12/03/1991    4.70
12/20/1992    4.60
12/03/1993    5.50
10/26/1994    7.20
11/28/1995    6.70
12/27/1996    7.50
01/01/1998    4.90
11/20/1998    7.10
12/09/1999    5.80
01/20/2002    5.80
03/05/2003    5.70
01/24/2004    7.00
06/01/2005    6.20
01/08/2006    7.90
11/06/2006   12.20
02/07/2008    6.10
01/05/2009    6.80
04/28/2010    5.80
01/12/2011    7.40
11/21/2011    6.10
11/18/2012    6.70
03/03/2014    6.30
11/22/2014    7.60
11/11/2015    6.10
02/03/2017    7.00
11/17/2017    6.90
12/29/2018    4.00
12/17/2019    5.30
10/10/2020    5.90
10/23/2021    7.40
12/23/2022    5.60

Duration: 10 days
02/03/1979    7.40
12/01/1979    6.40
12/18/1980    7.10
02/10/1982    8.80
01/02/1983    6.80
05/16/1984    6.40
05/29/1985    6.90
02/16/1986    8.77
11/14/1986    5.80
12/02/1987    5.10
07/13/1989    5.50
01/22/1990   10.80
12/09/1990    6.90
12/03/1991    6.00
12/19/1992    5.90
11/30/1993    6.90
10/26/1994    8.10
11/23/1995    8.70
12/26/1996    8.60
12/28/1997    6.00
11/20/1998    8.40
12/09/1999    7.30
04/01/2001    4.80
01/18/2002    6.90
03/02/2003    6.70
01/23/2004    7.70
05/31/2005    6.90
01/06/2006   11.10
11/04/2006   14.30
02/04/2008    7.50
12/31/2008    7.70
04/27/2010    6.80
01/12/2011    8.70
03/12/2012    7.10
11/29/2012    6.90
03/02/2014    7.60
11/20/2014    8.90
12/04/2015    7.20
10/08/2016    7.90
11/14/2017    8.30
10/26/2018    5.70
12/30/2019    6.50
10/10/2020    7.20
10/22/2021    7.90
12/23/2022    6.40

Duration: 20 days
02/04/1979   10.20
12/02/1979   10.80
12/08/1980   10.50
01/04/1982   12.10
12/22/1982    7.80
05/05/1984   10.10
05/22/1985    9.00
02/16/1986   10.27
11/13/1986    8.80
03/19/1988    9.10
12/29/1988    9.80
01/22/1990   17.00
11/06/1990   10.00
11/25/1991    8.80
12/08/1992    9.80
12/29/1993   10.50
10/19/1994   10.10
11/23/1995   13.30
12/21/1996   12.00
12/27/1997    9.70
11/13/1998   16.20
11/30/1999   10.20
03/25/2001    7.60
11/29/2001   10.90
03/05/2003   10.30
11/10/2003   11.10
11/23/2004    9.90
01/04/2006   15.00
11/02/2006   18.50
01/25/2008   13.80
12/24/2008   12.40
10/23/2009    8.90
01/03/2011   11.70
03/11/2012   12.90
11/18/2012   13.70
03/02/2014   12.50
11/20/2014   10.90
10/30/2015   11.40
02/27/2017   11.80
01/20/2018   12.00
12/18/2018    8.60
12/20/2019   11.50
11/04/2020   10.10
10/27/2021   13.30
12/13/2022    8.20

Duration: 30 days
02/04/1979   12.50
11/26/1979   12.00
11/28/1980   15.90
01/04/1982   16.20
12/13/1982   13.10
04/25/1984   12.40
03/30/1985   10.80
01/27/1986   13.40
10/30/1986   10.90
03/09/1988   10.50
12/20/1988   11.40
01/22/1990   20.50
10/28/1990   13.50
11/11/1991   11.90
11/30/1992   11.70
12/19/1993   11.50
10/25/1994   12.30
11/05/1995   19.20
12/26/1996   15.50
12/26/1997   13.20
11/13/1998   18.80
11/19/1999   13.70
03/13/2001    9.80
01/03/2002   13.20
03/02/2003   13.00
11/17/2003   13.50
11/16/2004   12.10
01/06/2006   20.20
11/02/2006   21.40
01/15/2008   16.00
12/17/2008   13.50
10/12/2009   11.30
12/26/2010   13.80
03/01/2012   17.40
11/18/2012   17.30
03/02/2014   15.80
11/01/2014   14.10
11/11/2015   13.50
02/03/2017   14.80
01/10/2018   16.30
12/11/2018   12.60
12/19/2019   15.80
12/15/2020   13.50
11/12/2021   18.10
11/30/2022   11.30

Duration: 45 days
01/21/1979   15.50
12/02/1979   16.60
11/13/1980   19.20
01/04/1982   22.40
11/28/1982   16.20
04/12/1984   15.80
03/21/1985   14.50
01/15/1986   18.70
10/27/1986   12.50
03/22/1988   12.90
12/08/1988   14.30
12/28/1989   25.90
12/08/1990   19.10
11/04/1991   15.50
11/16/1992   14.80
12/04/1993   17.50
10/25/1994   18.70
10/31/1995   24.60
11/19/1996   23.00
12/15/1997   16.70
11/15/1998   24.10
11/04/1999   18.80
03/10/2001   11.60
01/11/2002   18.00
02/20/2003   16.00
11/08/2003   16.70
10/29/2004   15.20
12/20/2005   26.20
11/02/2006   26.30
01/02/2008   22.90
11/29/2008   16.90
03/21/2010   14.90
12/08/2010   20.10
02/16/2012   24.50
10/26/2012   22.20
02/09/2014   20.80
10/23/2014   18.40
10/30/2015   19.60
02/03/2017   23.00
12/26/2017   22.00
12/11/2018   14.90
12/02/2019   21.60
10/10/2020   18.90
10/28/2021   25.70
11/22/2022   14.50

Duration: 60 days
02/04/1979   16.50
11/26/1979   18.10
11/01/1980   23.90
01/03/1982   27.40
11/12/1982   20.40
03/26/1984   19.10
11/01/1984   18.40
12/30/1985   21.20
11/05/1986   15.50
02/08/1988   15.70
11/20/1988   17.90
12/28/1989   30.40
11/20/1990   25.00
10/21/1991   18.90
10/30/1992   19.30
11/19/1993   21.30
10/20/1994   23.00
10/16/1995   28.70
11/13/1996   29.20
12/16/1997   17.70
11/12/1998   31.00
10/25/1999   23.50
03/09/2001   13.80
01/19/2002   23.80
01/22/2003   19.90
10/20/2003   20.20
10/14/2004   19.00
12/31/2005   29.40
11/05/2006   30.50
12/16/2007   29.20
11/12/2008   19.30
10/23/2009   20.40
01/12/2011   24.90
01/16/2012   26.50
10/26/2012   29.00
02/09/2014   25.00
10/23/2014   21.70
10/26/2015   24.20
02/03/2017   26.50
12/17/2017   26.90
12/18/2018   17.70
12/03/2019   25.90
11/04/2020   21.60
10/27/2021   33.30
10/31/2022   19.10