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Upper Colorado snowpack › Upper Green › EF Blacks Fork GS

EF Blacks Fork GS snowpack

NRCS SNOTEL station 1163 at 9,360 ft in Summit County, Utah, in the Upper Green basin, with daily records since Oct 21, 2010. Latest reading Oct 29, 2026.

Snow water equivalent
—
of the 1991–2020 median for this date · 0% of average
SWE today
0 in
median 0 in · average 0.3 in
Water-year precipitation
100%
of average since Oct 1 · 1.9 in vs. 1.9 in
Toward the normal peak
0%
of the average peak, 12 in around Apr 1

This water year against the normals

Water year 2027Water year 20261991–2020 median1991–2020 average
0 5 10 OctNovDecJanFebMarAprMayJunJulAugSep normal peak, Apr 1
Daily snow water equivalent at EF Blacks Fork GS, in inches, October through September, against the station's 1991–2020 median and average.

Water-year precipitation

Water year 2027Water year 20261991–2020 average
0 10 20 OctNovDecJanFebMarAprMayJunJulAugSep
Precipitation accumulated since October 1, in inches (rain and snow together), against the 1991–2020 average.

Peak snowpack by water year

Since 2011 this station's snowpack has peaked as high as 28.6 in (May 3, 2011) and as low as 4.6 in (Mar 6, 2026). The 1991–2020 average peak is 12 in around Apr 1.

Water yearPeak SWE (in)Peak date% of normal peakApril 1 SWE (in)Days of data
2026 4.6 Mar 6, 2026 38% 0.3 365
2025 10 Apr 3, 2025 83% 9.7 365
2024 11.8 Mar 30, 2024 98% 11.8 366
2023 15.6 Apr 6, 2023 130% 14 365
2022 7.8 Apr 16, 2022 65% 7.6 365
2021 12.6 Mar 23, 2021 105% 12.6 365
2020 14.8 Apr 3, 2020 123% 14.7 366
2019 13.5 Apr 16, 2019 113% 11.9 365
2018 10.8 Mar 29, 2018 90% 10.8 365
2017 15.6 Apr 2, 2017 130% 15.3 365
2016 10.6 Mar 31, 2016 88% 10.5 366
2015 6.7 Mar 12, 2015 56% 3.9 365
2014 11.3 Apr 6, 2014 94% 10.8 365
2013 16.6 Apr 22, 2013 138% 12.8 365
2012 9.4 Mar 6, 2012 78% 5.9 366
2011 28.6 May 3, 2011 238% 23 345

Water years with fewer than 150 days of data are omitted. Data: NRCS National Water and Climate Center AWDB (station 1163:UT:SNTL), pulled nightly; current-year values are provisional. Station location: 40.8847, -110.5406. Other stations in the Upper Green basin are listed on the basin page.