datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,02 0:30:00,28 ,0.191253,5.184193,1.375902,1.249018
sgpcmbeC1.c1,2001,02 1:30:00,28 ,0.137984,5.089417,1.267203, 1.01992
sgpcmbeC1.c1,2001,02 2:30:00,28 ,0.222459,2.976703,1.264617,0.821689
sgpcmbeC1.c1,2001,02 3:30:00,28 ,  0.1753,3.911785,1.210541,1.025706
sgpcmbeC1.c1,2001,02 4:30:00,28 ,0.155465,3.121734,0.937612,0.608486
sgpcmbeC1.c1,2001,02 5:30:00,28 ,0.230321,2.894315,1.235058,0.725188
sgpcmbeC1.c1,2001,02 6:30:00,28 ,0.205752,4.733407,1.136906, 1.10307
sgpcmbeC1.c1,2001,02 7:30:00,28 ,0.194496,8.345319,1.981525,2.025931
sgpcmbeC1.c1,2001,02 8:30:00,28 ,0.378631,7.787263, 3.09015,2.442549
sgpcmbeC1.c1,2001,02 9:30:00,28 ,0.330441,6.373621,3.317158,1.995736
sgpcmbeC1.c1,2001,0210:30:00,28 ,0.486764,12.59108,4.355509,3.165582
sgpcmbeC1.c1,2001,0211:30:00,28 ,0.789044,14.95184,  4.3038,3.404804
sgpcmbeC1.c1,2001,0212:30:00,28 , 0.76153,8.723233,3.791919,2.229262
sgpcmbeC1.c1,2001,0213:30:00,28 ,0.545539,12.16848,3.337014,2.705443
sgpcmbeC1.c1,2001,0214:30:00,28 ,0.583637, 9.08355,3.151923, 2.26879
sgpcmbeC1.c1,2001,0215:30:00,28 ,0.589367,10.20838,3.058485,2.092333
sgpcmbeC1.c1,2001,0216:30:00,28 ,0.702622,11.39174,3.578565,2.285459
sgpcmbeC1.c1,2001,0217:30:00,28 ,0.346372,10.88546,4.019264,3.053982
sgpcmbeC1.c1,2001,0218:30:00,27 , 0.28883,6.259722,2.267637,1.800383
sgpcmbeC1.c1,2001,0219:30:00,28 ,0.277118, 3.91775,1.262062,0.992732
sgpcmbeC1.c1,2001,0220:30:00,28 ,0.152722,7.457177,1.659541, 1.66264
sgpcmbeC1.c1,2001,0221:30:00,28 ,0.137469,5.134025,1.247565,1.192871
sgpcmbeC1.c1,2001,0222:30:00,28 ,0.208341,6.607251,1.454745,1.488088
sgpcmbeC1.c1,2001,0223:30:00,28 ,0.196832,5.197565,1.621952,1.334025