Hydrometeorological Networks
National Networks
- AERONET (Aerosol Robotic Network)
- Ameriflux
- NOAA CAP (Cooperative Agency Profiler Network)
- NOAA GPSMet
- NOAA NCOP (National Current Observation Program)
- NOAA NWLON (National Water Level Observation Network)
- USDA SCAN (Soil Climate Analysis Network)
- USDA SNOTEL (Snow Telemetry)
- NOAA SURFRAD (Surface Radiation)
- USDA UV-B Monitoring Program
Regional Networks
- CAMNET
- Network for Environment and Weather Applications
- NOAA NDBC (National Data Buoy Center)
- University of Oregon Solar Radiation Monitoring Laboratory Network
- USBR Great Plains AgriMet
- USBR Great Plains HydroMet
- USBR Pacific Northwest AgriMet
- USBR Pacific Northwest HydroMet
Marine Networks
Ocean Observing System Sites
- IOOS
- AOOS (AK)
- CariCOOS (Caribbean)
- CeNCOOS (CA)
- GCOOS (GoM)
- GLOS (GL)
- MARACOOS (Mid Atl)
- NANOOS (PNW)
- NERACOOS (NE)
- PacICOOS (HI)
- SCCOOS (CA)
- SECOORA (SE)
Other Sites
- Chesapeake Bay Interpretive Buoy System (CBIBS)
- NDBC
- PIRATA
- Texas Automated Buoy System (TABS)
- Texas Coastal Ocean Observation Network (TCOON)
State and Local Networks
Alabama
- Alabama Air Monitoring Network
- Alabama Road Weather Network
- Auburn University Mesonet
- University of South Alabama Mesonet
- CHARM (Huntsville Rain Gauge Network)
Alaska
Arizona
- AZMET (Arizona Meteorological Network)
- Arizona Air Monitoring Network
- Maricopa County Air Monitoring Network
- Maricopa County ALERT Network
- Mohave County ALERT Network
- Pima County Air Monitoring Network
- Yavapai County ALERT Network
Arkansas
Arizona
California
Colorado
Connecticut
Delaware
Florida
Georgia
- Georgia Automated Environmental Monitoring Network
- Georgia Road Weather Network
- Georgia Forestry Commission Fire Weather Network
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
- TCOON (Texas Coastal Ocean Observation Network)
- Texas Road Weather Network
Utah
Vermont
Virginia
Washington
- AgWeatherNet
- Hanford Meteorological Station Network
- Washington Road Weather Network
- Washington Air Quality Monitoring Network