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MONTANA SNOTEL Year-to-Date Precipitation Update Graph



As of THURSDAY: SEPTEMBER 24 , 2020
BasinYear-to-Date Precipitation Percent of Average
KOOTENAI RIVER BASINPercentage Bar 86% 86%
FLATHEAD RIVER BASINPercentage Bar 94% 94%
UPPER CLARK FORK RIVER BASINPercentage Bar 96% 96%
BITTERROOT RIVER BASINPercentage Bar 98% 98%
LOWER CLARK FORK RIVER BASINPercentage Bar 88% 88%
JEFFERSON RIVER BASINPercentage Bar 93% 93%
MADISON RIVER BASINPercentage Bar 87% 87%
GALLATIN RIVER BASINPercentage Bar 96% 96%
MISSOURI HEADWATERSPercentage Bar 92% 92%
MISSOURI HEADWATERS MAINSTEMPercentage Bar 92% 92%
SMITH, JUDITH, AND MUSSELSHELL RIVER BASINSPercentage Bar 95% 95%
SUN, TETON AND MARIAS RIVER BASINSPercentage Bar 91% 91%
MISSOURI MAINSTEM RIVER BASINPercentage Bar 93% 93%
ST MARYS RIVER BASINPercentage Bar 94% 94%
MILK RIVER BASINPercentage Bar 98% 98%
UPPER YELLOWSTONE RIVER BASINPercentage Bar 93% 93%
WIND RIVER BASIN (WYOMING)Percentage Bar 82% 82%
SHOSHONE RIVER BASIN (WYOMING)Percentage Bar 97% 97%
BIGHORN RIVER BASIN (WYOMING)Percentage Bar 85% 85%
TONGUE RIVER BASIN (WYOMING)Percentage Bar 81% 81%
POWDER RIVER BASIN (WYOMING)Percentage Bar 80% 80%
LOWER YELLOWSTONE RIVER BASINPercentage Bar 84% 84%

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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