datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,06 0:30:00,18 ,       0,389.4701,35.14368,90.62345
sgpcmbeC1.c1,2001,06 1:30:00,18 ,0.009003,106.9244,17.93688,25.35743
sgpcmbeC1.c1,2001,06 2:30:00,18 ,0.000144,404.1639,37.67165,93.41778
sgpcmbeC1.c1,2001,06 3:30:00,18 ,       0,410.8578,34.04244,95.31637
sgpcmbeC1.c1,2001,06 4:30:00,17 ,       0,292.9678,23.18345,69.87541
sgpcmbeC1.c1,2001,06 5:30:00,17 ,       0,111.8727,22.34406,37.27418
sgpcmbeC1.c1,2001,06 6:30:00,18 ,       0, 560.596,51.23971,130.7868
sgpcmbeC1.c1,2001,06 7:30:00,20 ,       0,135.5107,26.67287,39.90313
sgpcmbeC1.c1,2001,06 8:30:00,22 ,       0,411.3479,36.83452,90.17571
sgpcmbeC1.c1,2001,06 9:30:00,22 ,       0,269.3542,48.17411,81.56319
sgpcmbeC1.c1,2001,0610:30:00,21 ,       0,192.1149,31.25434,55.16009
sgpcmbeC1.c1,2001,0611:30:00,21 ,0.025811,104.6797,24.33842,28.10902
sgpcmbeC1.c1,2001,0612:30:00,21 ,       0,117.3716,22.50019,31.03057
sgpcmbeC1.c1,2001,0613:30:00,21 ,0.009084,94.11038,21.64868,29.66119
sgpcmbeC1.c1,2001,0614:30:00,22 ,0.020612,176.6747,24.55184,41.59118
sgpcmbeC1.c1,2001,0615:30:00,22 ,0.098375,124.8419, 17.1877,28.36631
sgpcmbeC1.c1,2001,0616:30:00,21 ,       0,182.0192,20.84764,44.81983
sgpcmbeC1.c1,2001,0617:30:00,21 ,       0,39.67667,10.41427,11.35342
sgpcmbeC1.c1,2001,0618:30:00,21 ,       0,98.03147,14.61718, 23.2064
sgpcmbeC1.c1,2001,0619:30:00,21 , 0.00465,125.3826,16.79727,26.61457
sgpcmbeC1.c1,2001,0620:30:00,21 ,0.199108,187.5808,22.78359,40.46931
sgpcmbeC1.c1,2001,0621:30:00,19 ,       0,81.54836,17.24026,23.33388
sgpcmbeC1.c1,2001,0622:30:00,19 ,       0,116.7393,19.74626,29.29887
sgpcmbeC1.c1,2001,0623:30:00,18 ,       0,203.7696,27.57514,48.10805