United States Department of Agriculture
Natural Resources Conservation Service
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MONTANA SNOTEL Snow Water Equivalent Update Graph

As of THURSDAY: DECEMBER 3 , 2020

BasinSnow Water Equivalent Percent of Median
KOOTENAI RIVER BASINPercentage Bar 87% 87%
FLATHEAD RIVER BASINPercentage Bar 115% 115%
UPPER CLARK FORK RIVER BASINPercentage Bar 106% 106%
BITTERROOT RIVER BASINPercentage Bar 92% 92%
LOWER CLARK FORK RIVER BASINPercentage Bar 90% 90%
JEFFERSON RIVER BASINPercentage Bar 83% 83%
MADISON RIVER BASINPercentage Bar 77% 77%
GALLATIN RIVER BASINPercentage Bar 80% 80%
MISSOURI HEADWATERSPercentage Bar 82% 82%
HELENA VALLEYPercentage Bar 115% 115%
SMITH, JUDITH, AND MUSSELSHELL RIVER BASINSPercentage Bar 123% 123%
SUN, TETON AND MARIAS RIVER BASINSPercentage Bar 159% 159%
MISSOURI MAINSTEM RIVER BASINPercentage Bar 134% 134%
ST MARYS RIVER BASINPercentage Bar 117% 117%
MILK RIVER BASINPercentage Bar 371% 371%
UPPER YELLOWSTONE RIVER BASINPercentage Bar 116% 116%
WIND RIVER BASIN (WYOMING)Percentage Bar 81% 81%
SHOSHONE RIVER BASIN (WYOMING)Percentage Bar 117% 117%
BIGHORN RIVER BASIN (WYOMING)Percentage Bar 89% 89%
TONGUE RIVER BASIN (WYOMING)Percentage Bar 88% 88%
POWDER RIVER BASIN (WYOMING)Percentage Bar 71% 71%
LOWER YELLOWSTONE RIVER BASINPercentage Bar 90% 90%

Legend: Percentage Bar Below 70% <70% Percentage Bar 70-90% 70-90% Percentage Bar 91-110% 91-110% Percentage Bar 111-130% 111-130% Percentage Bar Above 130% >130%

* = Data are not available or data may not provide a valid measure of conditions for over half of the sites within the basin.

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