Upper Colorado snowpack › Colorado Headwaters › Arapaho Ridge

Arapaho Ridge snowpack

NRCS SNOTEL station 1030 at 10,960 ft in Grand County, Colorado, in the Colorado Headwaters basin, with daily records since Aug 13, 2002. Latest reading Oct 29, 2026.

Snow water equivalent
27%
of the 1991–2020 median for this date · 30% of average
SWE today
0.7 in
median 2.6 in · average 2.3 in
Water-year precipitation
94%
of average since Oct 1 · 3.1 in vs. 3.3 in
Toward the normal peak
3%
of the average peak, 23.6 in around Apr 26

This water year against the normals

Water year 2027Water year 20261991–2020 median1991–2020 average
0 10 20 OctNovDecJanFebMarAprMayJunJulAugSep normal peak, Apr 26
Daily snow water equivalent at Arapaho Ridge, 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 30 OctNovDecJanFebMarAprMayJunJulAugSep
Precipitation accumulated since October 1, in inches (rain and snow together), against the 1991–2020 average.

Peak snowpack by water year

Since 2003 this station's snowpack has peaked as high as 36.6 in (May 3, 2011) and as low as 13.8 in (Mar 14, 2026). The 1991–2020 average peak is 23.6 in around Apr 26.

Water yearPeak SWE (in)Peak date% of normal peakApril 1 SWE (in)Days of data
2026 13.8 Mar 14, 2026 58% 10.2 365
2025 21 Apr 4, 2025 89% 20.4 365
2024 23.9 May 10, 2024 101% 21.2 366
2023 28.8 Apr 29, 2023 122% 25.4 365
2022 21.4 May 4, 2022 91% 19.1 365
2021 21.8 Apr 28, 2021 92% 20.4 365
2020 25.4 Apr 26, 2020 108% 22.9 366
2019 26.9 May 29, 2019 114% 25.2 365
2018 24 Apr 24, 2018 102% 19.6 365
2017 26.9 May 2, 2017 114% 24.3 365
2016 28.8 May 11, 2016 122% 24.4 366
2015 19.6 May 25, 2015 83% 16.6 365
2014 31.1 May 16, 2014 132% 27.6 365
2013 23.1 Apr 22, 2013 98% 17.8 365
2012 16.1 Mar 5, 2012 68% 14.6 366
2011 36.6 May 3, 2011 155% 29.6 365
2010 25 May 15, 2010 106% 16.6 365
2009 25 Apr 19, 2009 106% 20.8 365
2008 27.4 Apr 12, 2008 116% 23.7 366
2007 20.9 Apr 25, 2007 89% 18.8 365
2006 27 Apr 18, 2006 114% 25.7 365
2005 25.5 May 13, 2005 108% 21.5 365
2004 20.9 Apr 25, 2004 89% 18.7 366
2003 24.3 May 11, 2003 103% 18.8 365

Water years with fewer than 150 days of data are omitted. Data: NRCS National Water and Climate Center AWDB (station 1030:CO:SNTL), pulled nightly; current-year values are provisional. Station location: 40.351, -106.3814. Other stations in the Colorado Headwaters basin are listed on the basin page.