Abstract
Past and current weather data are needed for many agriculture and natural resource management applications. With the rapid development and popularity of web technology solutions, the Internet has become a major means for collecting and presenting information. The WeatherInfo system prototype was developed as a framework platform to provide end users a way to automatically retrieve weather information over the Internet to support simulation models or other applications needing these kinds of data. To make data retrieval and manipulation easy by users, WeatherInfo was implemented with a relational database to store weather data extracted directly from the U.S. National Weather Service (NWS) website. The database is automatically updated daily. Based on daily updated data, weekly and monthly data are automatically calculated using the daily updated data. The system also includes a Web service implemented in ASP. NET to support data retrieval by clients who desire weather data in either graphic or table form. The system framework was set up to demonstrate data retrieval over the web from the NWS website (http://www.nws.noaa.gov; verified 22 Oct. 2004) for 19 locations in California for periods from 1 February 2003 to the present date. The WeatherInfo system demonstration can be accessed at: http://yolo.een.orst.edu/WeatherInfo/index.htm (verified 22 Oct. 2004).
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