Upper Colorado snowpack › Duchesne-Lower Green › Mosby Mtn.
Mosby Mtn. snowpack
NRCS SNOTEL station 643 at 9,550 ft in Uintah County, Utah, in the Duchesne-Lower Green basin, with daily records since Oct 1, 1978. Latest reading Oct 29, 2026.
Snow water equivalent
0%
of the 1991–2020 median for this date · 0% of average
SWE today
0 in
median 0.8 in · average 1.4 in
Water-year precipitation
223%
of average since Oct 1 · 5.8 in vs. 2.6 in
Toward the normal peak
0%
of the average peak, 12.4 in around Apr 8
This water year against the normals
Water year 2027Water year 20261991–2020 median1991–2020 average
Water-year precipitation
Water year 2027Water year 20261991–2020 average
Peak snowpack by water year
Since 1981 this station's snowpack has peaked as high as 30.3 in (May 20, 1983) and as low as 5.6 in (Mar 23, 2015). The 1991–2020 average peak is 12.4 in around Apr 8.
| Water year | Peak SWE (in) | Peak date | % of normal peak | April 1 SWE (in) | Days of data |
|---|---|---|---|---|---|
| 2026 | 6.8 | Mar 7, 2026 | 55% | 2.2 | 365 |
| 2025 | 10.4 | Mar 16, 2025 | 84% | 9.9 | 365 |
| 2024 | 13.1 | Mar 31, 2024 | 106% | 13.1 | 366 |
| 2023 | 23.5 | Apr 5, 2023 | 190% | 22.6 | 365 |
| 2022 | 12.4 | Apr 5, 2022 | 100% | 12.1 | 365 |
| 2021 | 9 | Mar 27, 2021 | 73% | 9 | 365 |
| 2020 | 11.9 | Apr 4, 2020 | 96% | 11.7 | 366 |
| 2019 | 17.1 | Apr 17, 2019 | 138% | 15.6 | 365 |
| 2018 | 6.6 | Mar 27, 2018 | 53% | 6.6 | 365 |
| 2017 | 22 | Apr 8, 2017 | 177% | 21.4 | 365 |
| 2016 | 8.6 | Apr 1, 2016 | 69% | 8.6 | 366 |
| 2015 | 5.6 | Mar 23, 2015 | 45% | 4.4 | 365 |
| 2014 | 10.4 | Apr 7, 2014 | 84% | 9.6 | 365 |
| 2013 | 13.4 | Apr 20, 2013 | 108% | 10.6 | 365 |
| 2012 | 10.5 | Mar 21, 2012 | 85% | 8.3 | 366 |
| 2011 | 17.5 | Apr 13, 2011 | 141% | 15.7 | 365 |
| 2010 | 10.4 | Apr 5, 2010 | 84% | 9.1 | 365 |
| 2009 | 12.2 | Apr 15, 2009 | 98% | 9.5 | 365 |
| 2008 | 14.1 | Apr 12, 2008 | 114% | 13.2 | 366 |
| 2007 | 8.6 | Mar 16, 2007 | 69% | 8.3 | 365 |
| 2006 | 15.2 | Apr 6, 2006 | 123% | 14 | 365 |
| 2005 | 25.7 | Mar 29, 2005 | 207% | 25.7 | 365 |
| 2004 | 12.9 | Mar 16, 2004 | 104% | 10.8 | 366 |
| 2003 | 10.7 | Mar 28, 2003 | 86% | 10.2 | 365 |
| 2002 | 8.1 | Mar 26, 2002 | 65% | 7.5 | 365 |
| 2001 | 18.3 | Apr 14, 2001 | 148% | 12.4 | 365 |
| 2000 | 12 | Mar 31, 2000 | 97% | 11.7 | 366 |
| 1999 | 19.7 | May 4, 1999 | 159% | 10.5 | 365 |
| 1998 | 19.1 | Apr 20, 1998 | 154% | 12.1 | 365 |
| 1997 | 21.4 | Apr 11, 1997 | 173% | 18.7 | 365 |
| 1996 | 9.4 | Apr 17, 1996 | 76% | 8.2 | 366 |
| 1995 | 26.2 | May 12, 1995 | 211% | 21.8 | 365 |
| 1994 | 10.3 | Apr 15, 1994 | 83% | 8.9 | 365 |
| 1993 | 22 | Apr 17, 1993 | 177% | 19.7 | 365 |
| 1992 | 8.5 | Mar 31, 1992 | 69% | 8.5 | 366 |
| 1991 | 18.2 | May 4, 1991 | 147% | 11.7 | 365 |
| 1990 | 12 | Apr 9, 1990 | 97% | 11.2 | 365 |
| 1989 | 9.4 | Apr 3, 1989 | 76% | 9.2 | 365 |
| 1988 | 7.5 | Mar 30, 1988 | 60% | 7.5 | 366 |
| 1987 | 8.5 | Apr 12, 1987 | 69% | 7.7 | 365 |
| 1986 | 20.8 | Apr 18, 1986 | 168% | 18.1 | 365 |
| 1985 | 11.4 | Mar 31, 1985 | 92% | 11.4 | 365 |
| 1984 | 16.1 | May 3, 1984 | 130% | 13 | 366 |
| 1983 | 30.3 | May 20, 1983 | 244% | 21.5 | 365 |
| 1982 | 15.4 | Apr 3, 1982 | 124% | 15.2 | 365 |
| 1981 | 11.2 | Apr 7, 1981 | 90% | 10.8 | 365 |
Water years with fewer than 150 days of data are omitted. Data: NRCS National Water and Climate Center AWDB (station 643:UT:SNTL), pulled nightly; current-year values are provisional. Station location: 40.608, -109.8881. Other stations in the Duchesne-Lower Green basin are listed on the basin page.