The data logger fits seamlessly into the weather station console or the Weather Envoy and stores weather data even if your computer is not connected. With the data logger you can set the recording interval to: all, 1, 5, 10, 15 and 30, 60 or 120 minutes. Depending on the recording interval, you can record up to six months' worth of data record before having to upload it to a PC. After uploading you can create detailed analyses and diagrams or export the data to the most commonly used spreadsheet, database or word-processing software.New features: The latest versions of WeatherLink include a whole host of new and improved functions.Weather forecast: Uses quick-view icons to show you the weather forecast at a glance and with expandable text alerts for further details of what to expect.Moon phase: With eight phases from new moon to full moon.Updated wind chill factor: Uses a new formula developed by the American National Weather Service that includes modern heat transfer theory and a lowe