Open Access is designed for educational institute research purposes and for weather enthusiasts. As a Public Benefit Corporation (PBC), it is a part of our mission to help academic institutes have easy access to publicly available weather and environmental data to facilitate learning and enhance their research. Please use a .edu account for ease of verification.
Open Access (non-commercial)
Empowering educational institutes and weather enthusiasts with weather and environmental data for learning and research.
Features* Click on the feature to see description
Number of Simultaneous Responses *
Number of Simultaneous Responses Also known as concurrency, this is the number of allowed requests that can be active in the system at the same time for a given user.
Server Resource *
Server Resource In the community server resource, API response time varies greatly based on the number of active users and the volume of requests. In the enterprise server resource, API response time is generally much faster than the community server resource and will remain consistent over time regardless of user demand.
API Uptime Guarantee
Data Explore Tool *
Data Explore Tool Webpage data viewer that allows users to explore metadata and current conditions for all public stations.
CSV Data Download Tool *
CSV Data Download Tool A tool where customers can easily download historical data for a station.
Data Availability Dashboard *
Data Availability Dashboard High-level view of network station and observation counts and short-term historical trends.
Basic Quality Control *
Basic Quality Control Performs checks for physically implausible values, rates of change, and persistence. Learn more
Advanced Quality Control *
Advanced Quality Control Performs all Basic Quality Control plus percentile and spatial value checks. Learn more
Basic Precipitation Service *
Basic Precipitation Service Includes precipitation intervals and/or accumulations returned at the reporting frequency of the station. Learn more
Advanced Precipitation Service *
Advanced Precipitation Service Includes precipitation totals and/or intervals over a large range of customer-defined periods. Learn more
Service Level Agreement Available
Push Streaming Service *
Push Streaming Service Receive a real-time feed of data pushed to the user automatically. Learn more
International Datasets *
International Datasets Observational data outside of the United States
Personal API Demo Training
Custom Data Solutions *
Custom Data Solutions Beyond the data outputs available via our API, we offer most industry standard data formats and multiple delivery mechanisms.
Commercial Service Extension Licence *
Commercial Service Extension Licence Licensing to extend Synoptic Data Services to third parties through an online page, tool, or other application (B2B2B and B2B2C).
Real-Time Observations ArcGIS Layer Licence *
Real-Time Observations ArcGIS Layer Licence Real-Time observation Feature Layer within ArcGIS built by Synoptic to easily integrate into your ESRI integrations for situational awareness.
Historical Data Access
Email Support Response Time *
Email Support Response Time Applies to common business hours Monday through Friday, excluding federally observed holidays.