Surprisingly, when we have got the terrarium thermostat set on 84°F, things were changed dramatically. Look at the graph!
Frogs are cold-blooded animals (in many aspects 🙂 and their metabolism depends on the environment temperature. While the natural temperature range for Pacman frogs is between 75 and 85 degrees Fahrenheit, higher temperature means faster metabolism for the Pacman frog and, as far as you can see, the substantial growth.