datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,03 0:30:00,31 ,  0.2979,25.90581,3.935715,5.945922
sgpcmbeC1.c1,2001,03 1:30:00,31 ,0.341418,21.62732,3.562839,5.423679
sgpcmbeC1.c1,2001,03 2:30:00,31 ,0.305327,34.61156,4.881733,7.555146
sgpcmbeC1.c1,2001,03 3:30:00,31 ,0.225022,14.96916,3.622901,3.582183
sgpcmbeC1.c1,2001,03 4:30:00,31 ,0.209491,15.21765,4.831628,4.981703
sgpcmbeC1.c1,2001,03 5:30:00,31 ,0.262198,19.43963,4.654741,5.386449
sgpcmbeC1.c1,2001,03 6:30:00,31 ,0.248153,34.93783,5.335657,7.432206
sgpcmbeC1.c1,2001,03 7:30:00,31 , 0.16761,21.70728,3.887318,4.991546
sgpcmbeC1.c1,2001,03 8:30:00,31 ,0.292264,21.52851,3.824596,4.809332
sgpcmbeC1.c1,2001,03 9:30:00,31 ,0.347388,32.99494,4.363842, 6.22572
sgpcmbeC1.c1,2001,0310:30:00,31 ,0.497493,21.58687,3.906159,5.288217
sgpcmbeC1.c1,2001,0311:30:00,31 , 0.53607,27.09538,3.933956,5.098944
sgpcmbeC1.c1,2001,0312:30:00,31 ,0.465882,31.14976,5.432767,6.853674
sgpcmbeC1.c1,2001,0313:30:00,31 ,0.611745,23.11998,4.287699,5.223171
sgpcmbeC1.c1,2001,0314:30:00,31 ,0.384983,13.05959,3.850803,3.402941
sgpcmbeC1.c1,2001,0315:30:00,31 ,0.453151,16.31559,3.630787,4.141959
sgpcmbeC1.c1,2001,0316:30:00,31 , 0.38615,16.60979,3.928802,4.372705
sgpcmbeC1.c1,2001,0317:30:00,31 ,0.257613,20.83361,3.523666,4.798182
sgpcmbeC1.c1,2001,0318:30:00,31 ,0.284979,14.64038,3.882955,3.518155
sgpcmbeC1.c1,2001,0319:30:00,31 ,0.359776, 21.4676,3.412293,4.661907
sgpcmbeC1.c1,2001,0320:30:00,31 ,0.194952,13.02619,3.338104,3.515797
sgpcmbeC1.c1,2001,0321:30:00,31 ,0.128753,31.07372,3.379509,5.673794
sgpcmbeC1.c1,2001,0322:30:00,31 ,0.112529,11.71793,2.456015,2.762974
sgpcmbeC1.c1,2001,0323:30:00,31 ,0.203518,30.47576,4.876133,7.664337