datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,02 0:30:00,26 ,0.367689,2.761454,1.163325,0.610951
sgpcmbeC1.c1,2003,02 1:30:00,26 ,0.392125,2.659495,1.166106,0.574527
sgpcmbeC1.c1,2003,02 2:30:00,26 ,0.411219,2.690772, 1.17294,0.556438
sgpcmbeC1.c1,2003,02 3:30:00,26 ,0.424733,2.767584,1.166801,0.541113
sgpcmbeC1.c1,2003,02 4:30:00,26 ,0.427971,2.676761,1.158394,0.528149
sgpcmbeC1.c1,2003,02 5:30:00,26 ,0.415743,2.616239,1.142948, 0.52306
sgpcmbeC1.c1,2003,02 6:30:00,26 ,0.394515,2.590017,1.127972,0.518398
sgpcmbeC1.c1,2003,02 7:30:00,26 ,0.418411,2.487893,1.122649, 0.51303
sgpcmbeC1.c1,2003,02 8:30:00,26 ,0.415993,2.308281,1.112646,0.499327
sgpcmbeC1.c1,2003,02 9:30:00,26 ,0.418243,2.460808,1.131178,0.525867
sgpcmbeC1.c1,2003,0210:30:00,26 ,0.415884,2.620324,1.164729,0.562572
sgpcmbeC1.c1,2003,0211:30:00,26 ,0.403495,2.805222,1.173431,0.568349
sgpcmbeC1.c1,2003,0212:30:00,26 ,0.407514, 3.02967,1.210349,0.643523
sgpcmbeC1.c1,2003,0213:30:00,26 ,0.393486,3.082547,1.203142,0.622232
sgpcmbeC1.c1,2003,0214:30:00,26 , 0.37642, 3.21491,1.205764, 0.60659
sgpcmbeC1.c1,2003,0215:30:00,26 , 0.36056,3.278462, 1.18855,0.597404
sgpcmbeC1.c1,2003,0216:30:00,24 ,0.356762,2.523741,1.127167,0.486674
sgpcmbeC1.c1,2003,0217:30:00,26 ,0.367338,3.558752,1.198887,  0.6557
sgpcmbeC1.c1,2003,0218:30:00,26 ,0.379974,3.558876,1.198713,0.660142
sgpcmbeC1.c1,2003,0219:30:00,26 ,0.367719,3.351005,1.167677,0.632671
sgpcmbeC1.c1,2003,0220:30:00,26 ,0.406894,3.256272,1.158175,0.620338
sgpcmbeC1.c1,2003,0221:30:00,25 ,0.438556,3.161948,1.116326,0.600051
sgpcmbeC1.c1,2003,0222:30:00,26 ,0.392595,3.225607,1.192949,0.714977
sgpcmbeC1.c1,2003,0223:30:00,26 , 0.34734,3.030938,1.180304,0.683474