Supercell over Laramie
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Peak Snow Water Equivalent Dates and Totals by Basin With Meltout Dates

This year's "to-date" peak snow water equivalent (SWE) compared to median.

Red indicates earlier peak date or lower SWE compared to median

Blue indicates later peak date or higher SWE compared to median

Click Column Headers to Sort

Basin
Click to View Chart		This Year
Peak Date		This Year Peak
SWE (inches)		Days
Early/Late		Peak SWE
Dif (inches)		Percent of
Median Peak SWE		Median
Peak Date		Median Peak
SWE (inches)		Current
SWE		Median
Meltout Date
Belle Fourche15 Mar 20243.43-14-3.748%29 Mar 7.10 0.0503 May
Bighorn10 May 202410.9716-0.893%24 Apr 11.77 10.8721 Jun
Cheyenne08 Mar 20243.90-20-3.652%29 Mar 7.55 0.0001 May
Laramie11 Apr 202415.13-7-1.293%18 Apr 16.31 10.8413 Jun
Little Snake01 Apr 202422.79-52.3111%06 Apr 20.50 13.7319 Jun
Lower Green09 Apr 202414.4210.8106%08 Apr 13.58 7.9713 Jun
Lower North Platte11 Apr 20249.97-3-3.176%14 Apr 13.05 5.3529 May
Madison01 Apr 202419.23-13-4.581%14 Apr 23.75 15.8325 Jun
Powder11 Apr 20248.24-3-2.875%14 Apr 11.01 7.1010 Jun
Shoshone01 Apr 202415.50-23-2.686%24 Apr 18.08 13.5829 Jun
Snake11 Apr 202420.89-10.0100%12 Apr 20.85 13.2830 Jun
South Platte04 Apr 20245.506-1.183%29 Mar 6.60 0.0026 Apr
Sweetwater14 May 202417.15241.9112%20 Apr 15.25 16.2006 Jun
Tongue10 May 202410.8112-2.681%28 Apr 13.38 10.3409 Jun
Upper Bear03 Apr 202419.31-61.5108%09 Apr 17.81 10.7716 Jun
Upper Green03 Apr 202414.69-8-1.392%11 Apr 15.96 10.9819 Jun
Upper North Platte11 Apr 202423.06-5-1.694%16 Apr 24.63 20.2028 Jun
Wind02 Apr 202413.50-20-0.696%22 Apr 14.11 11.0626 Jun
Yellowstone11 Apr 202417.25-13-4.978%24 Apr 22.12 14.1102 Jul
Data from Natural Resources Conservation Service SnoTel Network