Produced by GNUPLOT 4.3 patchlevel 0 1660 1670 1680 1690 1700 1710 1720 1730 1740 1750 01.03.87 01.05.87 01.07.87 01.09.87 01.11.87 01.01.88 01.03.88 01.05.88 01.07.88 Demonstrate use of assignment and serial evaluation operators to accumulate statistics as successive data lines are read in CH4 raw data CH4 running mean CH4 weighted running mean