Add offset to temperature at 12:00 to calibrate X axis scale. Assumes data starts at 00:00
src="http://rpiw/gb/gbFa.js" , copy in gbFar.js
src="http://patrickpi:8086/gb/gbFa.js" , copy in gbFap.js
src="http://patrickpi:8086/gb/gbFa.js" , copy in gbFat.js
py_dhr_serial_XT_MD01.py reads temperature and humidity and ouputs to gbFat.js