Upper Colorado snowpack › Upper Green › Loomis Park
Loomis Park snowpack
NRCS SNOTEL station 597 at 8,240 ft in Sublette County, Wyoming, in the Upper Green basin, with daily records since Sep 30, 1980. Latest reading Oct 29, 2026.
Snow water equivalent
25%
of the 1991–2020 median for this date · 17% of average
SWE today
0.1 in
median 0.4 in · average 0.6 in
Water-year precipitation
200%
of average since Oct 1 · 3.6 in vs. 1.8 in
Toward the normal peak
1%
of the average peak, 16 in around Mar 30
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 29.4 in (Apr 27, 1986) and as low as 8.9 in (Mar 28, 1992). The 1991–2020 average peak is 16 in around Mar 30.
| Water year | Peak SWE (in) | Peak date | % of normal peak | April 1 SWE (in) | Days of data |
|---|---|---|---|---|---|
| 2026 | 12.7 | Mar 16, 2026 | 79% | 6.3 | 365 |
| 2025 | 15.6 | Mar 23, 2025 | 98% | 14.9 | 365 |
| 2024 | 12.6 | Mar 31, 2024 | 79% | 12.6 | 366 |
| 2023 | 17.5 | Apr 6, 2023 | 109% | 17 | 365 |
| 2022 | 11 | Apr 16, 2022 | 69% | 9.6 | 365 |
| 2021 | 11.8 | Mar 27, 2021 | 74% | 11.8 | 365 |
| 2020 | 15.8 | Apr 17, 2020 | 99% | 14.9 | 366 |
| 2019 | 16.7 | Apr 16, 2019 | 104% | 15.5 | 365 |
| 2018 | 19.3 | Apr 9, 2018 | 121% | 17.8 | 365 |
| 2017 | 27.1 | Apr 10, 2017 | 169% | 26.3 | 365 |
| 2016 | 14.5 | Mar 31, 2016 | 91% | 14.4 | 366 |
| 2015 | 14 | Mar 6, 2015 | 88% | 13.2 | 365 |
| 2014 | 25.5 | Apr 8, 2014 | 159% | 25.1 | 365 |
| 2013 | 11.4 | Apr 22, 2013 | 71% | 10.2 | 365 |
| 2012 | 13.7 | Mar 22, 2012 | 86% | 12.5 | 366 |
| 2011 | 25.4 | Apr 28, 2011 | 159% | 21.6 | 365 |
| 2010 | 9.1 | Apr 14, 2010 | 57% | 7.4 | 365 |
| 2009 | 17.9 | Apr 16, 2009 | 112% | 16.3 | 365 |
| 2008 | 17.4 | Apr 6, 2008 | 109% | 17.1 | 366 |
| 2007 | 10.3 | Mar 10, 2007 | 64% | 9.7 | 365 |
| 2006 | 20.7 | Apr 6, 2006 | 129% | 20 | 365 |
| 2005 | 15.1 | Mar 29, 2005 | 94% | 15.1 | 365 |
| 2004 | 14.8 | Mar 14, 2004 | 93% | 12.6 | 366 |
| 2003 | 17.3 | Mar 28, 2003 | 108% | 17.3 | 365 |
| 2002 | 14.5 | Mar 26, 2002 | 91% | 14.5 | 365 |
| 2001 | 12.6 | Apr 9, 2001 | 79% | 11.5 | 365 |
| 2000 | 17.7 | Mar 28, 2000 | 111% | 17.7 | 366 |
| 1999 | 19.5 | Apr 13, 1999 | 122% | 18.9 | 365 |
| 1998 | 18 | Apr 15, 1998 | 113% | 16.6 | 365 |
| 1997 | 27.4 | Mar 31, 1997 | 171% | 27.4 | 365 |
| 1996 | 24.2 | Apr 5, 1996 | 151% | 24 | 366 |
| 1995 | 13.6 | Mar 30, 1995 | 85% | 13.6 | 365 |
| 1994 | 12 | Apr 11, 1994 | 75% | 11.2 | 365 |
| 1993 | 17.7 | Apr 14, 1993 | 111% | 16.3 | 365 |
| 1992 | 8.9 | Mar 28, 1992 | 56% | 8.1 | 366 |
| 1991 | 14.2 | Mar 30, 1991 | 89% | 13.9 | 365 |
| 1990 | 14.5 | Mar 28, 1990 | 91% | 14.1 | 365 |
| 1989 | 20 | Apr 5, 1989 | 125% | 19.5 | 365 |
| 1988 | 13.1 | Mar 28, 1988 | 82% | 12.9 | 366 |
| 1987 | 13 | Mar 28, 1987 | 81% | 12.9 | 365 |
| 1986 | 29.4 | Apr 27, 1986 | 184% | 29.3 | 365 |
| 1985 | 13.4 | Apr 1, 1985 | 84% | 13.4 | 365 |
| 1984 | 16.8 | May 3, 1984 | 105% | 12.5 | 366 |
| 1983 | 14.4 | Apr 14, 1983 | 90% | 13.3 | 365 |
| 1982 | 23.6 | Apr 28, 1982 | 148% | 21 | 365 |
| 1981 | 13.7 | Apr 6, 1981 | 86% | 12.9 | 365 |
Water years with fewer than 150 days of data are omitted. Data: NRCS National Water and Climate Center AWDB (station 597:WY:SNTL), pulled nightly; current-year values are provisional. Station location: 43.1739, -110.1401. Other stations in the Upper Green basin are listed on the basin page.