Create Google Charts with real time data for Temperatue and Humidity from up to 16 spreadsheets - Title/DateTime/Temperature/Humidity

I have 16 google sheets with real time data from 16 sensors - Temperature and Humidity, and each sheet contain 4 columns- Title, DateTime, Temperature, Humidity. What i need - to have 2 Google Charts: 1- for Temperature and another one for Humidity where to can monitor data(temp & hum) from all 16 sheets by Title / DateTime Temperature & Humidity in Real Time