While individuals can put up weather stations to report to weather underground, it's also a great place to go find local weather data and history. In this activity we'll walk through how to collect recent rainfall data for the New Orleans area from the Lakefront Airport station.
This is the link for the Lakefront weather station on Weather Underground: https://www.wunderground.com/q/zmw:70146.3.99999. From here you can see the forecast as well as the weather history for the site. Click the tab that says "History"
To find historical rain data from a specific set of days, click the button "Custom" to enter your desired dates:
Enter your desired dates and click "Get History":
This page will show you the total amount of precipitation for that date range:
If you scroll all the way down the page, it will also show you the rainfall for each individual day, note "T" means "Trace" or not a measureable amount: