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 Fourche12 Feb 20263.13-44-3.746%28 Mar 6.87 01 May
Bighorn15 Feb 20265.52-68-6.247%24 Apr 11.74 21 Jun
Cheyenne12 Feb 20263.80-44-3.751%28 Mar 7.50 01 May
Laramie13 Feb 20265.69-61-10.236%15 Apr 15.90 13 Jun
Little Snake14 Feb 20269.75-51-10.848%06 Apr 20.50 19 Jun
Lower Green15 Feb 20266.22-52-7.446%08 Apr 13.58 12 Jun
Lower North Platte15 Feb 20262.55-58-10.220%14 Apr 12.75 29 May
Madison15 Feb 202612.16-57-8.858%13 Apr 20.98 25 Jun
Powder15 Feb 20264.46-58-6.142%14 Apr 10.61 10 Jun
Shoshone15 Feb 202612.43-67-5.669%23 Apr 17.98 27 Jun
Snake15 Feb 202613.41-55-7.564%11 Apr 20.89 29 Jun
South Platte15 Feb 20260.60254-5.710%29 Mar 6.30 25 Apr
Sweetwater12 Feb 20267.73-65-7.351%18 Apr 15.03 06 Jun
Tongue07 Feb 20264.11-83-9.231%01 May 13.30 10 Jun
Upper Bear15 Feb 20268.55-53-9.348%09 Apr 17.81 16 Jun
Upper Green15 Feb 202610.10-55-5.963%11 Apr 15.96 16 Jun
Upper North Platte14 Feb 202610.48-61-13.943%16 Apr 24.35 29 Jun
Wind15 Feb 20268.19-64-5.859%20 Apr 13.97 25 Jun
Yellowstone15 Feb 202616.47-68-4.379%24 Apr 20.81 01 Jul
Data from Natural Resources Conservation Service SnoTel Network