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 Fourche20 Feb 20263.23-36-3.647%28 Mar 6.87 01 May
Bighorn20 Feb 20265.75-63-6.049%24 Apr 11.74 21 Jun
Cheyenne20 Feb 20263.95-36-3.553%28 Mar 7.50 01 May
Laramie21 Feb 20266.23-53-9.739%15 Apr 15.90 13 Jun
Little Snake20 Feb 202610.82-45-9.753%06 Apr 20.50 19 Jun
Lower Green21 Feb 20267.01-46-6.652%08 Apr 13.58 12 Jun
Lower North Platte21 Feb 20263.15-52-9.625%14 Apr 12.75 29 May
Madison21 Feb 202613.58-51-7.465%13 Apr 20.98 25 Jun
Powder21 Feb 20264.56-52-6.043%14 Apr 10.61 10 Jun
Shoshone21 Feb 202612.98-61-5.072%23 Apr 17.98 27 Jun
Snake20 Feb 202614.91-50-6.071%11 Apr 20.89 29 Jun
South Platte20 Feb 20260.60254-5.710%29 Mar 6.30 25 Apr
Sweetwater20 Feb 20269.00-57-6.060%18 Apr 15.03 06 Jun
Tongue21 Feb 20264.45-69-8.933%01 May 13.30 10 Jun
Upper Bear20 Feb 20269.52-48-8.353%09 Apr 17.81 16 Jun
Upper Green20 Feb 202610.83-50-5.168%11 Apr 15.96 16 Jun
Upper North Platte21 Feb 202611.44-54-12.947%16 Apr 24.35 29 Jun
Wind21 Feb 20269.01-58-5.064%20 Apr 13.97 25 Jun
Yellowstone21 Feb 202617.14-62-3.782%24 Apr 20.81 01 Jul
Data from Natural Resources Conservation Service SnoTel Network