 const int MONITOR_POINTS = 60; // number of data points to store
 struct monitor_t {
   unsigned long timestamp;
-  float celsius;
-  float fahrenheit;
-};
+  float waterCelsius;
+  };
 monitor_t monitorData[MONITOR_POINTS];
 int monitorCursor = 0;
 int monitorSize = 0;

/////////////////////////////////////////////////////////////////////////////
// temperature sensor stuff /////////////////////////////////////////////////
OneWire ds(2); // DS1820 on pin 2 (a 4.7K resistor is necessary)
void getTemperature(float* celsius, float* fahrenheit);
const boolean GOT_TEMP_SENSOR = true;

/////////////////////////////////////////////////////////////////////////////

    else if(cfg == 0x40) raw = raw & ~1; // 11 bit res, 375 ms
    // default is 12 bit resolution, 750 ms conversion time
  }
  _waterCelsius = (float) raw / 16.0;
  Serial.print("; temp: ");
  Serial.print(_waterCelsius);
  Serial.print(" C, ");

  *waterCelsius = _waterCelsius;
  return;
}

