Upper Colorado snowpack › Colorado Headwaters › Lake Irene

Lake Irene snowpack

NRCS SNOTEL station 565 at 10,680 ft in Grand County, Colorado, in the Colorado Headwaters 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 1.2 in · average 1.4 in
Water-year precipitation
46%
of average since Oct 1 · 1.2 in vs. 2.6 in
Toward the normal peak
0%
of the average peak, 24.6 in around Apr 24

This water year against the normals

Water year 2027Water year 20261991–2020 median1991–2020 average
0 10 20 OctNovDecJanFebMarAprMayJunJulAugSep normal peak, Apr 24
Daily snow water equivalent at Lake Irene, 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 1981 this station's snowpack has peaked as high as 45.1 in (May 3, 2011) and as low as 13.9 in (Mar 16, 2026). The 1991–2020 average peak is 24.6 in around Apr 24.

Water yearPeak SWE (in)Peak date% of normal peakApril 1 SWE (in)Days of data
2026 13.9 Mar 16, 2026 57% 10.4 365
2025 24.2 Apr 5, 2025 98% 23.8 365
2024 23.9 May 9, 2024 97% 21.6 366
2023 28.3 Apr 27, 2023 115% 26.4 365
2022 24.2 May 5, 2022 98% 21 365
2021 21.2 Apr 27, 2021 86% 20 365
2020 29.4 Apr 26, 2020 120% 25.8 366
2019 26.3 Apr 13, 2019 107% 25 365
2018 22.4 Apr 9, 2018 91% 19.4 365
2017 25.6 Apr 6, 2017 104% 24.9 365
2016 24.5 May 1, 2016 100% 23 366
2015 21.9 May 23, 2015 89% 19.9 365
2014 33.5 Apr 15, 2014 136% 32 365
2013 24.1 May 8, 2013 98% 16.4 365
2012 15.7 Mar 9, 2012 64% 14.2 366
2011 45.1 May 3, 2011 183% 35.1 365
2010 23.7 May 15, 2010 96% 17.7 365
2009 29.8 May 5, 2009 121% 25.5 365
2008 27.6 Apr 12, 2008 112% 24.6 366
2007 24.2 Apr 24, 2007 98% 22.6 365
2006 25.3 Apr 8, 2006 103% 24.7 365
2005 20.8 May 8, 2005 85% 20.2 365
2004 17.5 Apr 12, 2004 71% 14.9 366
2003 30.2 May 11, 2003 123% 27.7 365
2002 17 Mar 28, 2002 69% 16.9 365
2001 23.6 Apr 14, 2001 96% 21.7 365
2000 25.5 Apr 4, 2000 104% 24.7 366
1999 25.4 May 6, 1999 103% 23.6 365
1998 24.3 Apr 23, 1998 99% 20.6 365
1997 36.4 May 3, 1997 148% 29.5 365
1996 37.5 May 1, 1996 152% 35.6 366
1995 33.6 May 31, 1995 137% 21.6 365
1994 26.3 Apr 9, 1994 107% 25 365
1993 36 Apr 25, 1993 146% 29.8 365
1992 24.1 Apr 24, 1992 98% 22.2 366
1991 20.9 Apr 30, 1991 85% 18.1 365
1990 25.7 May 17, 1990 104% 22.7 365
1989 27.7 Apr 13, 1989 113% 25 365
1988 31.1 Apr 30, 1988 126% 29.7 366
1987 19.3 Apr 5, 1987 78% 19.1 365
1986 41.3 Apr 28, 1986 168% 35.1 365
1985 29.3 Apr 26, 1985 119% 25.8 365
1984 39.2 May 8, 1984 159% 29.3 366
1983 39.4 May 19, 1983 160% 28.6 365
1982 36.4 May 20, 1982 148% 32.2 365
1981 14.9 Apr 11, 1981 61% 13.3 365

Water years with fewer than 150 days of data are omitted. Data: NRCS National Water and Climate Center AWDB (station 565:CO:SNTL), pulled nightly; current-year values are provisional. Station location: 40.4145, -105.8194. Other stations in the Colorado Headwaters basin are listed on the basin page.