The Samsara Dashboard shows you your sensor data organized by type. A tab is displayed for Temperature, Humidity, Power, Fleet and Current Loop data.
Click the relevant tab to see live data from the past 24 hours. Select a time period and date to display historical data. You can also click and drag on any graph to zoom in to the period selected. Return to live data at any time by clicking the 'Live' button at the top right of the display pane.