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California Data Exchange Center
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Home
Department of Water Resources
DWR Home page.
Div. of Flood Management
DFM Home page.
State Climatology and Meteorology
State Climatology and Meteorology.
California Cooperative Snow Surveys
California Cooperative Snow Surveys Website.
Query Tools
Real-Time Data
Single Station Real-Time data query. Supports download data in CSV, PDF EXCEL Formats.
Daily Data
Single Station Daily data query. Supports download data in CSV, PDF EXCEL Formats.
Monthly Data
Single Station Monthly data query. Supports download data in CSV, PDF EXCEL Formats.
Real-Time Data Sensor Groups
Real-Time Data Sensor Groups data query. Supports download data in CSV, PDF EXCEL Formats.
Daily Data Sensor Groups
Daily Data Sensor Groups data query. Supports download data in CSV, PDF EXCEL Formats.
Historical Data JSON and CSV format
Web Service to download Historical Data JSON and CSV format (Hourly,Event,Daily,Monthly).
Historical Data
Historical Data Query (Hourly,Event,Daily,Monthly). Supports download data in CSV, PDF EXCEL Formats.
Sensor Group Data
Historical Data Sensor Group download (JSON and CSV format - Sensor Groups).
Real-Time, Daily and Monthly Station Plots
Single Station Real-Time, Daily and Monthly Sensor Plots.
Real-Time, Daily Sensor Group Plots
Sensor Group Plots.
Station Search
Station search. Supports many options.
Station Meta Data Lookup
CDEC Station Meta Data lookup.
Station Locator Map
New CDEC Station Locator Map.
Precipitation
Daily 24-hour rainfall totals
Daily 24-hour rainfall totals for selected automatic-reporting rain gages.
Monthly precipitation summary
Monthly precipitation summary only (by hydrologic area.)
Monthly precipitation summary
Monthly precipitation summary only (by hydrologic area/river basin).
Listing of monthly precip
Listing of monthly precip data only (alphabetical order).
San Joaquin 5 station precip index plot
San Joaquin 5 station precipitation index water year plot.
Northern Sierra 8 station precip index plot
Northern Sierra 8 station precipitation index water year plot.
Tulare Basin 6 station precip index plot
Tulare Basin 6 station precipitation index water year plot.
San Joaquin 5 station El Nino Years
Precipitation Charts Including Historical Strong El Nino Years (PDF).
Northern Sierra 8 station El Nino Years
Precipitation Charts Including Historical Strong El Nino Years (PDF).
Tulare Basin 6 station El Nino Years
Precipitation Charts Including Historical Strong El Nino Years (PDF).
River Forecast
Delta Tide Forecast Bulletin
Delta Tide Forecast Bulletin.
Upper Sacramento River System
Upper Sacramento River System Forecast Bulletin.
Lower Sacramento River System
Lower Sacramento River System Forecast Bulletin.
San Joaquin River System
San Joaquin River System Forecast Bulletin.
North Coast River System
North Coast River System Forecast Bulletin.
Russian/Napa River System
Russian/Napa River System Forecast Bulletin.
Central Coast River System
Central Coast River System Forecast Bulletin.
Southern California River System
Southern California River System Forecast Bulletin.
East Side Sierra Basins
East Side Sierra Basins Forecast Bulletin.
River Guidance Points Forecast Specified Stage Definitions
River Guidance Points Forecast Specified Stage Definitions.
River Stages
River Stage Maps (Real-Time)
River Stage Maps (Real-Time).
River Stage Guidance Plots
River Stage Guidance Plots.
Latest Real-Time Stage Data (by River Basin)
Latest Real-Time Stage Data (by River Basin).
Latest Real-Time Stage Data (All Stations)
Latest Real-Time Stage Data (All Stations).
Central Valley Rivers Summary
Central Valley Rivers Summary (as of 6AM).
North Coastal Rivers Summary (as of 6AM)
North Coastal Rivers Summary (as of 6AM).
What is Rating
What is Rating?
Current Rating Table
Current Rating Table.
Latest Real-time Flow Data (All Stations)
Latest Real-time Flow Data (All Stations).
Current Seasonal Flow Summary
Current Seasonal Flow Summary.
Current Monthly Flow Summary
Current Monthly Flow Summary.
Current Daily Flow Summary
Current Daily Flow Summary.
Reservoirs
Statewide end of month reservoir storage
Summary of statewide end of month reservoir storage
Multi-year regional summary of end-of-month major Reservoir Storage (By Hydrologic Region)
Multi-year end-of-month major reservoir storage grouped by water supply project area
Scheduled Releases from Reservoirs
All Scheduled Releases from Reservoirs
Most Recent Scheduled Releases from Reservoirs
Latest Real-time Reservoir Storage Data
Hourly Reservoir Storage
Hourly Reservoir Storage, updated daily.
Daily Reservoir Storage
Daily Reservoir Storage, updated daily.
Monthly Reservoir Storage
Monthly Reservoir Storage, updated daily.
Snow
Latest Snow Course Report
Daily Snow Sensor Summary
Daily summary of Snow Water Equivalent.
Daily Statewide Summary of Snow Water Content
Daily Statewide Summary of Snow Water Equivalents (inches).
Interactive
Daily Statewide Summary of Snow Water Content.
Daily Regional Snowpack Plots
PDF - Daily Regional Snowpack Plots.
Daily Statewide Summary of SWC Map
PDF - Daily Statewide Summary of Snow Water Content Map.
Daily Snow Depth Summary
Daily Snow Depth Summary Report.
Latest Real-time SWC Data
Most Recent Snow ( Water Content ) Data.
Importance of Snow
PDF - Daily Regional Snowpack Plots.
History
History of Snow Survey.
The Snow Surveyor
Stations
Hourly Reservoir Storage
Hourly Reservoir Storage, updated daily.
Daily Reservoir Storage
Daily Reservoir Storage, updated daily.
Monthly Reservoir Storage
Monthly Reservoir Storage, updated daily.
Hourly Precipitation
Hourly Precipitation, updated daily.
Daily Precipitation
Daily Precipitation, updated daily.
Monthly Precipitation
Monthly Precipitation, updated daily.
Hourly Stations
Hourly Active Stations, updated daily.
Daily Stations
Daily Active Stations, updated daily.
Monthly Stations
Monthly Active Stations, updated daily.
Station Search
Station search. Supports many options.
Station Meta Data Lookup
CDEC Station Meta Data lookup.
Station Locator Map
New CDEC Station Locator Map.
Weather
Eureka
Zonal Forecast: Eureka.
Sacramento
Zonal Forecast: Sacramento.
San Francisco
Zonal Forecast: San Francisco.
San Joaquin
Zonal Forecast: San Joaquin.
Los Angeles
Zonal Forecast: Los Angeles.
San Diego
Zonal Forecast: San Diego.
Eureka
Area Forecast: Eureka.
Sacramento
Area Forecast: Sacramento.
San Francisco
Area Forecast: San Francisco.
San Joaquin
Area Forecast: San Joaquin.
Los Angeles
Area Forecast: Los Angeles.
San Diego
Area Forecast: San Diego.
Eureka
Coastal Forecast: Eureka.
San Francisco
Coastal Forecast: San Francisco.
Los Angeles
Coastal Forecast: Los Angeles.
San Diego
Coastal Forecast: San Diego.
More...
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