datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,12 0:30:00,27 ,0.273078,2.871315,1.148701,0.669186
sgpcmbeC1.c1,1998,12 1:30:00,27 ,0.272856,2.868557,1.151168, 0.66332
sgpcmbeC1.c1,1998,12 2:30:00,27 ,0.270872,3.059107,1.165518,0.688778
sgpcmbeC1.c1,1998,12 3:30:00,27 ,0.260958,3.213348,1.181716,0.711397
sgpcmbeC1.c1,1998,12 4:30:00,27 ,0.248565,3.172477,1.186632,0.702646
sgpcmbeC1.c1,1998,12 5:30:00,27 ,0.256881,3.232184,1.189815,0.696342
sgpcmbeC1.c1,1998,12 6:30:00,27 ,0.273062,3.262403,1.198784,0.713186
sgpcmbeC1.c1,1998,12 7:30:00,26 ,0.289775,3.142006,1.137813,0.598332
sgpcmbeC1.c1,1998,12 8:30:00,26 ,0.290253,3.237002, 1.13997, 0.61415
sgpcmbeC1.c1,1998,12 9:30:00,27 ,0.295255,4.011195,1.256532,  0.8285
sgpcmbeC1.c1,1998,1210:30:00,26 ,0.318957,3.117287,1.168268,0.642122
sgpcmbeC1.c1,1998,1211:30:00,26 ,0.325823,3.128834,1.250702,0.694182
sgpcmbeC1.c1,1998,1212:30:00,27 ,0.334417, 3.41423, 1.24066,0.735436
sgpcmbeC1.c1,1998,1213:30:00,26 ,0.351096,2.800653,1.146327,0.582796
sgpcmbeC1.c1,1998,1214:30:00,26 , 0.52414,2.697794,1.156216,0.509284
sgpcmbeC1.c1,1998,1215:30:00,27 ,0.382674, 2.75259,1.114253,0.525924
sgpcmbeC1.c1,1998,1216:30:00,27 ,0.393208,3.545382,1.237515,0.714584
sgpcmbeC1.c1,1998,1217:30:00,27 ,0.420318,2.996585,1.230693,0.683629
sgpcmbeC1.c1,1998,1218:30:00,28 ,0.461512,3.354179,1.205766,0.696082
sgpcmbeC1.c1,1998,1219:30:00,28 , 0.44242,3.910367,1.210663,0.767553
sgpcmbeC1.c1,1998,1220:30:00,27 ,0.389002,4.789517,1.238896, 0.88645
sgpcmbeC1.c1,1998,1221:30:00,27 ,0.311216, 2.55071,1.115228,0.565161
sgpcmbeC1.c1,1998,1222:30:00,28 ,0.277097,3.681966,1.191428,0.720874
sgpcmbeC1.c1,1998,1223:30:00,28 ,0.276662, 4.20112,1.212934,  0.8087