datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,02 0:30:00,28 ,0.382439,30.67902,4.141033,7.585559
sgpcmbeC1.c1,2007,02 1:30:00,28 , 0.40984, 6.41322,1.864881,1.638064
sgpcmbeC1.c1,2007,02 2:30:00,28 ,0.399531, 17.0297, 3.46888,4.972329
sgpcmbeC1.c1,2007,02 3:30:00,28 ,0.401125, 20.5073,3.964596,5.251235
sgpcmbeC1.c1,2007,02 4:30:00,28 ,0.402605,21.91306,3.694148, 5.05182
sgpcmbeC1.c1,2007,02 5:30:00,28 ,0.506853,15.10579, 3.53227, 4.30813
sgpcmbeC1.c1,2007,02 6:30:00,28 ,0.476427,19.32021,3.446174,4.553189
sgpcmbeC1.c1,2007,02 7:30:00,28 ,0.402916, 20.9297,4.619844,6.457388
sgpcmbeC1.c1,2007,02 8:30:00,28 ,0.512727,13.39257,2.885286, 3.19147
sgpcmbeC1.c1,2007,02 9:30:00,28 ,0.455713,14.66045,3.533352,3.889099
sgpcmbeC1.c1,2007,0210:30:00,28 ,0.584072,22.82325,4.436851,5.498667
sgpcmbeC1.c1,2007,0211:30:00,28 ,0.674589,7.739195,2.618266,1.805805
sgpcmbeC1.c1,2007,0212:30:00,28 ,0.894434,10.39847,2.717597,2.398797
sgpcmbeC1.c1,2007,0213:30:00,28 , 0.70623,26.04985,4.006889,6.054561
sgpcmbeC1.c1,2007,0214:30:00,28 , 0.63452,11.36868,3.105702,3.178548
sgpcmbeC1.c1,2007,0215:30:00,28 ,0.578152,26.89596,5.370534,7.516336
sgpcmbeC1.c1,2007,0216:30:00,28 ,0.394246,32.10388,4.168583,6.881687
sgpcmbeC1.c1,2007,0217:30:00,28 ,0.364773,16.80956,3.424981, 4.27702
sgpcmbeC1.c1,2007,0218:30:00,28 ,0.435018,24.72852, 3.33389,5.614479
sgpcmbeC1.c1,2007,0219:30:00,28 ,0.600048,21.64197,3.670738,5.049857
sgpcmbeC1.c1,2007,0220:30:00,28 ,0.433459,10.67047,2.630944,3.061224
sgpcmbeC1.c1,2007,0221:30:00,28 ,0.468421,13.18684,3.235617,3.531298
sgpcmbeC1.c1,2007,0222:30:00,28 ,0.414342,20.48755,3.976586,5.465358
sgpcmbeC1.c1,2007,0223:30:00,28 ,0.467392,21.63971, 3.98516,5.190182