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 Fourche08 Dec 20240.7249-6.410%03 Apr 7.1 0.703 May
Bighorn08 Dec 20243.3227-8.528%25 Apr 11.8 3.319 Jun
Cheyenne08 Dec 20241.0249-6.613%03 Apr 7.6 1.001 May
Laramie08 Dec 20242.6233-13.716%19 Apr 16.3 2.612 Jun
Little Snake08 Dec 20244.1246-16.420%06 Apr 20.5 4.119 Jun
Lower Green08 Dec 20242.6243-11.019%09 Apr 13.6 2.612 Jun
Lower North Platte13 Oct 20242.5181-10.519%15 Apr 13.0 1.329 May
Madison08 Dec 20244.5238-19.319%14 Apr 23.8 4.524 Jun
Powder13 Oct 20241.9179-9.117%17 Apr 11.0 1.808 Jun
Shoshone08 Dec 20245.5228-12.630%24 Apr 18.1 5.529 Jun
Snake08 Dec 20244.9239-16.023%13 Apr 20.9 4.929 Jun
South Platte07 Dec 20240.6253-6.09%29 Mar 6.6 0.526 Apr
Sweetwater08 Dec 20243.3232-11.922%20 Apr 15.2 3.305 Jun
Tongue06 Dec 20242.8218-10.621%02 May 13.4 2.709 Jun
Upper Bear08 Dec 20243.6240-14.220%12 Apr 17.8 3.615 Jun
Upper Green08 Dec 20243.0239-13.019%13 Apr 16.0 3.018 Jun
Upper North Platte08 Dec 20244.5236-20.118%16 Apr 24.6 4.526 Jun
Wind08 Dec 20244.0229-10.128%23 Apr 14.1 4.025 Jun
Yellowstone08 Dec 20245.3228-16.824%24 Apr 22.1 5.302 Jul
Data from Natural Resources Conservation Service SnoTel Network