datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,08 0:30:00,31 ,       0,0.765785,0.107394,0.243092
sgpcmbeC1.c1,2005,08 1:30:00,30 ,       0,1.964793,0.243519,0.470898
sgpcmbeC1.c1,2005,08 2:30:00,31 ,       0,2.841184,0.134286, 0.51351
sgpcmbeC1.c1,2005,08 3:30:00,31 ,       0,2.122372,0.126132,0.401314
sgpcmbeC1.c1,2005,08 4:30:00,31 ,       0,1.288117,0.072963,0.252669
sgpcmbeC1.c1,2005,08 5:30:00,31 ,       0,8.457599,2.612936,2.590956
sgpcmbeC1.c1,2005,08 6:30:00,31 ,8.365659,156.6828,66.43296,32.36386
sgpcmbeC1.c1,2005,08 7:30:00,31 ,19.06591,297.2814,218.8874, 65.7786
sgpcmbeC1.c1,2005,08 8:30:00,31 ,53.16685,517.7977,370.2893,138.1776
sgpcmbeC1.c1,2005,08 9:30:00,31 ,86.12582,671.5555,539.6372,166.9509
sgpcmbeC1.c1,2005,0810:30:00,31 ,119.3015,818.9658,642.1887,199.8428
sgpcmbeC1.c1,2005,0811:30:00,31 ,83.97894,912.7133,738.5991,205.3154
sgpcmbeC1.c1,2005,0812:30:00,31 ,143.2226,968.0019,758.3623,225.3574
sgpcmbeC1.c1,2005,0813:30:00,31 ,163.1349,922.1281,702.9032,218.5975
sgpcmbeC1.c1,2005,0814:30:00,31 ,25.77872,881.4423,615.6129,234.6925
sgpcmbeC1.c1,2005,0815:30:00,31 ,6.096505,731.8095,519.8757,204.9962
sgpcmbeC1.c1,2005,0816:30:00,31 , 2.42192,561.7064,344.1839,169.9606
sgpcmbeC1.c1,2005,0817:30:00,31 ,2.534715,344.0834,196.1374,108.0571
sgpcmbeC1.c1,2005,0818:30:00,31 ,       0, 141.111,69.96618,43.78071
sgpcmbeC1.c1,2005,0819:30:00,31 ,       0,16.43688,4.851095,5.167289
sgpcmbeC1.c1,2005,0820:30:00,31 ,       0,1.572689,0.053998, 0.28214
sgpcmbeC1.c1,2005,0821:30:00,31 ,       0,1.278352,0.104723,0.263796
sgpcmbeC1.c1,2005,0822:30:00,31 ,       0,2.730672,0.146387,0.506834
sgpcmbeC1.c1,2005,0823:30:00,31 ,       0,1.336754, 0.14826,0.329423