The Davis Instruments Vantage Pro 2 Weather Station is a relatively low cost, professional weather station designed for home use. This article describes the hardware and software necessary to get weather data from a Davis Vantage Pro2 Weather Station to one or more html web pages via a Linux server.
In order to get RS-232 serial data in and out of the console, you have to buy the Davis Weatherlink 6510SER Windows software.
If the console is located within 25 feet of your server, you can simply plug the serial port into your server and your good to go.
As an alternative, you could spend more money and get a USB to RS232 dongle. Just be careful which one you choose because some of these won’t work under Linux.
project & source code