Welcome to California Cooperative Snow Surveys Website

Snow Course Information

• Monthly Snow Course Measurements: Latest | Previous
• Current Year: January | February | March | April | May | June
• Active Snow Courses:Sorted by Basin | Alphabetical Listing
• Snow Course Measurement Schedule includes Cooperating Agencies
• Snow Course includesactive Snow Courses, and active Snow Sensors
• Preliminary Snow Course Measurements
• Individual Snow Course Historical Data
• Description of a Snow Survey

Snow Sensor Information

• Daily Snow Sensor Summary: Latest | Previous
• Daily Statewide Summary of Snow Water Content: Latest | Previous
• Daily Statewide Summary of Snow Water Content: Interactive
• Daily Regional Snowpack Plots from Snow Sensors (HTML): Latest | Previous
• Daily Regional Snowpack Plots from Snow Sensors (PDF): Latest | Previous
• Daily Regional Snowpack Plots from Snow Sensors: Interactive
• Daily Statewide Summary of Snow Water Content Map: Latest
• Daily Regional Snow Water Content: Data Retrieval
• Daily Snow Depth Summary: Latest | Previous
• Latest Real-time Snow Water Content Data or narrow by River Basin
• Snow Sensor Control (field verification) Measurements Latest | Previous
• Individual Snow Sensor Historical Data
• List of Active Snow Sensors Sorted by Basin
• Relationship between Snow Water Content and Snow Depth
• Peak Snowmelt Forecast
• Photo of a Snow Sensor Pillow

Snow Sensor Plots

Select a river basin using these links or the highlighted area on the map for 14 day plots of snow water content & precipitation: North Coast Region: Trinity & Scott Rivers | Eel River Area Sacramento River Region: Sacramento River above Lake Shasta | Feather River | Yuba & American Rivers San Joaquin River Region: Mokelumne & Stanislaus Rivers | Tuolumne & Merced Rivers | San Joaquin River Tulare Region: Kings River | Kaweah & Tule Rivers | Kern River Lahontan Regions: Surprise Valley Area | Truckee River below Lake Tahoe | Mono & Owens Lake Basins

Other Snow Information

• Daily Lahontan Region SNOTEL report from Natural Resources Conservation Service (NRCS) Latest | Previous
• Individual SNOTEL historical data
• Satellite Based Snow Maps from National Operational Hydrologic Remote Sensing Center
• Western Snow Conference
• Avalanche Bulletins from the CSAC
• Road conditions (CalTrans)