datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,12 0:30:00,31 ,0.280626,6.571748,1.794299,1.717918
sgpcmbeC1.c1,2006,12 1:30:00,31 ,0.357166,4.435086,1.249093,0.841208
sgpcmbeC1.c1,2006,12 2:30:00,31 ,0.323862,2.869816,1.403098,0.755698
sgpcmbeC1.c1,2006,12 3:30:00,31 ,0.272168,2.570281,1.141109,0.695665
sgpcmbeC1.c1,2006,12 4:30:00,31 ,0.300787,5.641386,1.348521,1.143733
sgpcmbeC1.c1,2006,12 5:30:00,31 ,0.363162,4.218971,1.366218,1.039917
sgpcmbeC1.c1,2006,12 6:30:00,31 ,0.203363,4.618099,1.211608,0.997077
sgpcmbeC1.c1,2006,12 7:30:00,31 ,0.370326,4.838326,1.550809,1.173132
sgpcmbeC1.c1,2006,12 8:30:00,31 ,0.426922, 8.84269,3.934205,2.294934
sgpcmbeC1.c1,2006,12 9:30:00,31 ,0.781707,10.75481,4.279872,2.454672
sgpcmbeC1.c1,2006,1210:30:00,31 , 0.69166,14.00142, 4.45098,3.142258
sgpcmbeC1.c1,2006,1211:30:00,31 ,0.660163,  10.277,4.568123,2.570872
sgpcmbeC1.c1,2006,1212:30:00,31 ,0.930389,12.32421,4.108703,2.740424
sgpcmbeC1.c1,2006,1213:30:00,31 ,0.600532,14.16428,3.189502,2.610318
sgpcmbeC1.c1,2006,1214:30:00,31 ,0.482201,10.79399,2.684209,1.940088
sgpcmbeC1.c1,2006,1215:30:00,31 ,0.612621,8.232398,3.997564,2.160907
sgpcmbeC1.c1,2006,1216:30:00,31 ,0.347877,11.11837, 4.76659,3.150862
sgpcmbeC1.c1,2006,1217:30:00,31 ,0.467871,7.859401,2.979917,1.992093
sgpcmbeC1.c1,2006,1218:30:00,31 ,0.404877,5.605966,1.935459,1.256233
sgpcmbeC1.c1,2006,1219:30:00,31 ,0.224883,6.509901, 1.79017,1.572873
sgpcmbeC1.c1,2006,1220:30:00,31 ,0.290141, 4.09818,1.621638,1.131604
sgpcmbeC1.c1,2006,1221:30:00,31 ,0.399592,4.275325, 1.60489,0.948513
sgpcmbeC1.c1,2006,1222:30:00,31 , 0.28574,5.051991,1.746804,1.177545
sgpcmbeC1.c1,2006,1223:30:00,31 , 0.31579,6.023859,1.592436,1.411104