datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,06 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,06 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,06 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,06 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,06 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,06 5:30:00,30 ,       0,15.15755,2.812532, 4.62463
sgpcmbeC1.c1,1999,06 6:30:00,30 ,0.060795,135.2438,   39.15,46.54004
sgpcmbeC1.c1,1999,06 7:30:00,30 ,       0,317.9272,122.4488,117.4423
sgpcmbeC1.c1,1999,06 8:30:00,30 ,0.059668,498.5719,199.4106,186.3619
sgpcmbeC1.c1,1999,06 9:30:00,30 ,0.091568, 662.747,306.7785,230.8571
sgpcmbeC1.c1,1999,0610:30:00,30 ,0.150239,795.7869,352.6701, 283.719
sgpcmbeC1.c1,1999,0611:30:00,30 ,0.113671,875.0757,382.8247,299.9439
sgpcmbeC1.c1,1999,0612:30:00,30 ,0.114605,903.1521,356.7996,321.0499
sgpcmbeC1.c1,1999,0613:30:00,30 ,       0,868.4094,323.3939,309.6638
sgpcmbeC1.c1,1999,0614:30:00,30 ,       0,782.4013,306.4842,290.9738
sgpcmbeC1.c1,1999,0615:30:00,30 ,       0,653.7069,276.3626,254.3825
sgpcmbeC1.c1,1999,0616:30:00,30 ,0.024389,487.4167,202.8609, 172.959
sgpcmbeC1.c1,1999,0617:30:00,30 , 0.00193,321.4162,115.2573,120.9757
sgpcmbeC1.c1,1999,0618:30:00,30 ,       0,138.6312, 42.6221, 53.7427
sgpcmbeC1.c1,1999,0619:30:00,30 ,       0,17.04732,4.796591,6.494376
sgpcmbeC1.c1,1999,0620:30:00,30 ,       0,0.006029,0.000201,0.001101
sgpcmbeC1.c1,1999,0621:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0622:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0623:30:00,30 ,       0,       0,       0,       0