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 Fourche14 Jan 20243.60-73-3.352%28 Mar 6.87 01 May
Bighorn14 Jan 20244.73-100-7.040%24 Apr 11.74 21 Jun
Cheyenne14 Jan 20243.50-73-4.047%28 Mar 7.50 01 May
Laramie12 Jan 20246.49-93-9.441%15 Apr 15.90 13 Jun
Little Snake14 Jan 20249.44-82-11.545%06 Apr 20.90 20 Jun
Lower Green14 Jan 20246.23-84-7.645%08 Apr 13.84 13 Jun
Lower North Platte14 Jan 20244.75-90-8.037%14 Apr 12.75 29 May
Madison14 Jan 20249.40-90-14.340%14 Apr 23.75 25 Jun
Powder14 Jan 20243.79-90-6.836%14 Apr 10.61 10 Jun
Shoshone13 Jan 20246.70-101-11.437%24 Apr 18.08 29 Jun
Snake13 Jan 20249.79-88-11.147%11 Apr 20.85 29 Jun
South Platte13 Jan 20241.40-78-5.221%01 Apr 6.60 26 Apr
Sweetwater13 Jan 20244.87-95-10.232%18 Apr 15.03 06 Jun
Tongue14 Jan 20244.97-104-8.337%28 Apr 13.30 09 Jun
Upper Bear14 Jan 20247.44-85-10.442%09 Apr 17.81 15 Jun
Upper Green12 Jan 20247.04-89-8.944%11 Apr 15.96 19 Jun
Upper North Platte14 Jan 202410.57-92-13.843%16 Apr 24.35 28 Jun
Wind14 Jan 20244.81-96-9.234%20 Apr 13.97 25 Jun
Yellowstone14 Jan 20249.08-100-12.243%24 Apr 21.24 01 Jul
Data from Natural Resources Conservation Service SnoTel Network