datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,06 0:30:00,29 ,       0, 0.65084,0.040895,0.131053
sgpcmbeC1.c1,2007,06 1:30:00,29 ,       0,0.766676,0.056247,0.160528
sgpcmbeC1.c1,2007,06 2:30:00,30 ,       0,0.485444,0.045423, 0.11664
sgpcmbeC1.c1,2007,06 3:30:00,28 ,       0,0.747393,0.085754,0.219056
sgpcmbeC1.c1,2007,06 4:30:00,30 ,       0,1.046562,0.114801,0.290483
sgpcmbeC1.c1,2007,06 5:30:00,30 , 0.66419,35.72564,16.45097,10.42392
sgpcmbeC1.c1,2007,06 6:30:00,30 ,2.324477, 184.961,98.82629,55.53528
sgpcmbeC1.c1,2007,06 7:30:00,30 , 12.9775,385.6926,217.7849,119.2419
sgpcmbeC1.c1,2007,06 8:30:00,30 ,43.39899, 588.049,373.8769,177.9708
sgpcmbeC1.c1,2007,06 9:30:00,30 ,84.88692,760.8271,450.0163,221.0965
sgpcmbeC1.c1,2007,0610:30:00,29 ,67.19992,903.2783,600.4539,284.6271
sgpcmbeC1.c1,2007,0611:30:00,29 ,36.09414,991.5255,648.8575,321.8594
sgpcmbeC1.c1,2007,0612:30:00,29 ,63.43135,1018.937,674.7897,312.2596
sgpcmbeC1.c1,2007,0613:30:00,28 , 64.9026,991.2121,628.0103,313.6167
sgpcmbeC1.c1,2007,0614:30:00,29 ,33.74726, 914.965,586.8733,287.6783
sgpcmbeC1.c1,2007,0615:30:00,29 ,43.25423,765.1521,530.5632,193.4432
sgpcmbeC1.c1,2007,0616:30:00,30 ,47.25499,589.2216,367.8371,183.0528
sgpcmbeC1.c1,2007,0617:30:00,30 ,5.669885,417.4681,211.6916,124.0563
sgpcmbeC1.c1,2007,0618:30:00,30 ,0.056998,188.3281,  106.09,58.52588
sgpcmbeC1.c1,2007,0619:30:00,30 ,       0,36.78092, 19.1038,11.19491
sgpcmbeC1.c1,2007,0620:30:00,29 ,       0,1.396225,0.199217,0.419475
sgpcmbeC1.c1,2007,0621:30:00,28 ,       0,1.310027, 0.13535,0.335589
sgpcmbeC1.c1,2007,0622:30:00,29 ,       0, 1.08592,0.076907,0.223159
sgpcmbeC1.c1,2007,0623:30:00,29 ,       0,0.606448, 0.04426,0.128688