gistfile1.txt

var temperature = 15;
var itsRaining = false;

var minutes;

var MIN_TEMP = 0;
var MAX_TEMP = 35;
var PERFECT_TEMP = 20;


var conditionsAreNotSatisfied = temperature < MIN_TEMP || temperature > MAX_TEMP || itsRaining;

if (conditionsAreNotSatisfied) {
  minutes = 0;
} else {
  minutes = PERFECT_TEMP - Math.abs(PERFECT_TEMP - temperature)
}

console.log(minutes);