This site is no longer available. As an alternative, take a look at the activities on National Geographic Kids Weather site.
From site: Welcome to the Weather Lab! Here you can test drive the tools meteorologists use every day.
Click on each tool below for more information about the tool along with instructions on building it and using it in an experiment. Print the Weather Data Sheet (PDF) to record the results of your experiment.
LearningReviews.com note: Measurement instruments include anemometer, wind vane, barometer, rain gauge, snow gauge and thermometer.