datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,12 0:30:00,28 ,0.436513,2.021245,0.976293,0.386892
sgpcmbeC1.c1,2002,12 1:30:00,28 ,0.425239,1.890134,0.987802,0.391369
sgpcmbeC1.c1,2002,12 2:30:00,28 ,0.440911,1.784778,0.985912, 0.38216
sgpcmbeC1.c1,2002,12 3:30:00,28 ,0.451669,1.724503,0.979768,0.362752
sgpcmbeC1.c1,2002,12 4:30:00,28 ,0.415237,1.711707,0.962432,0.352214
sgpcmbeC1.c1,2002,12 5:30:00,28 ,0.411097,1.760575,0.949198,0.351759
sgpcmbeC1.c1,2002,12 6:30:00,26 ,0.397052,1.633971,0.943449,0.346136
sgpcmbeC1.c1,2002,12 7:30:00,26 ,0.360745,1.657477,0.924889,0.351247
sgpcmbeC1.c1,2002,12 8:30:00,25 ,0.319675,1.645483,0.910623,0.361245
sgpcmbeC1.c1,2002,12 9:30:00,28 ,0.291065,1.888652,0.979414, 0.42331
sgpcmbeC1.c1,2002,1210:30:00,28 , 0.30404,2.750174,1.020539,0.518059
sgpcmbeC1.c1,2002,1211:30:00,28 ,0.298418,2.973403,1.040332,0.560361
sgpcmbeC1.c1,2002,1212:30:00,28 ,0.299415,2.767277,1.046918,0.555376
sgpcmbeC1.c1,2002,1213:30:00,28 ,0.271089,3.492379,1.057505,0.647851
sgpcmbeC1.c1,2002,1214:30:00,26 ,0.294222,1.782997,0.941811,0.416627
sgpcmbeC1.c1,2002,1215:30:00,26 ,0.331477,1.841768,0.954715,0.433671
sgpcmbeC1.c1,2002,1216:30:00,26 ,0.435354,2.313638,0.963549,0.456564
sgpcmbeC1.c1,2002,1217:30:00,26 ,0.428342,1.728949,0.951491,0.394217
sgpcmbeC1.c1,2002,1218:30:00,27 ,0.433734,1.687274,0.960252,0.376863
sgpcmbeC1.c1,2002,1219:30:00,27 ,0.441329,1.843719, 0.95394,0.378558
sgpcmbeC1.c1,2002,1220:30:00,28 ,0.348761,2.910656,  1.0242,0.523747
sgpcmbeC1.c1,2002,1221:30:00,28 ,0.281438,2.536329, 1.01136,0.484736
sgpcmbeC1.c1,2002,1222:30:00,28 ,0.312561,2.292444,0.997818,0.464327
sgpcmbeC1.c1,2002,1223:30:00,28 ,0.394539,2.173598,0.977521,0.409365