datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,07 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,07 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,07 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,07 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,07 4:30:00,31 ,       0,0.081752,0.002637,0.014683
sgpcmbeC1.c1,1999,07 5:30:00,31 ,       0,7.443323,3.850067, 2.01396
sgpcmbeC1.c1,1999,07 6:30:00,31 ,0.127698,19.92418,11.68267,4.996945
sgpcmbeC1.c1,1999,07 7:30:00,31 ,0.736243,25.16302,13.45866,5.501427
sgpcmbeC1.c1,1999,07 8:30:00,31 ,1.435438,48.54128,12.78354,8.246252
sgpcmbeC1.c1,1999,07 9:30:00,31 ,4.877975,42.24203,12.54619,9.040363
sgpcmbeC1.c1,1999,0710:30:00,31 ,3.560483,68.83861,13.37777,15.27024
sgpcmbeC1.c1,1999,0711:30:00,31 ,1.827836,69.29543,13.91713,17.84532
sgpcmbeC1.c1,1999,0712:30:00,31 ,0.576612, 77.3894,22.29695,22.11985
sgpcmbeC1.c1,1999,0713:30:00,31 , 2.08963,71.00713,28.48959,23.60187
sgpcmbeC1.c1,1999,0714:30:00,31 ,3.957331,66.61557,29.94928,23.55741
sgpcmbeC1.c1,1999,0715:30:00,31 ,6.575887,57.33783,23.16838,16.15358
sgpcmbeC1.c1,1999,0716:30:00,31 , 8.71823, 53.7946,20.98176,12.86346
sgpcmbeC1.c1,1999,0717:30:00,31 ,10.88186,41.32112,15.84398,6.620683
sgpcmbeC1.c1,1999,0718:30:00,31 ,2.794336,31.79133,14.24556,5.166173
sgpcmbeC1.c1,1999,0719:30:00,31 ,       0,10.89576,6.140546,2.441883
sgpcmbeC1.c1,1999,0720:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0721:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0722:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0723:30:00,31 ,       0,       0,       0,       0