datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,04 0:30:00,30 ,0.284958,34.78735,3.938656,6.914259
sgpcmbeC1.c1,2002,04 1:30:00,30 ,0.277526,18.02272,3.054739,3.994629
sgpcmbeC1.c1,2002,04 2:30:00,30 ,0.277077,22.24761,2.691631,4.130398
sgpcmbeC1.c1,2002,04 3:30:00,30 ,0.298904,8.185764,1.862261,1.696147
sgpcmbeC1.c1,2002,04 4:30:00,30 ,0.263544,29.51455,3.434687,5.562599
sgpcmbeC1.c1,2002,04 5:30:00,30 ,0.437577,18.21539,3.352813,3.959612
sgpcmbeC1.c1,2002,04 6:30:00,30 , 0.25969,21.66267,3.454848,4.733107
sgpcmbeC1.c1,2002,04 7:30:00,30 ,0.539992,32.92865,5.681517,7.491695
sgpcmbeC1.c1,2002,04 8:30:00,30 ,0.491199,25.36193,4.155024,5.100046
sgpcmbeC1.c1,2002,04 9:30:00,30 ,0.410321, 21.5122,3.718402,5.023024
sgpcmbeC1.c1,2002,0410:30:00,30 ,0.319039,16.52691,3.035295,3.298407
sgpcmbeC1.c1,2002,0411:30:00,30 ,0.342506,26.71092,4.127443,5.537031
sgpcmbeC1.c1,2002,0412:30:00,30 ,0.727758,23.06737,3.410913,4.470869
sgpcmbeC1.c1,2002,0413:30:00,30 ,0.596323,10.64609,2.913158,2.442231
sgpcmbeC1.c1,2002,0414:30:00,30 ,0.605966,14.35004,3.263979,3.302541
sgpcmbeC1.c1,2002,0415:30:00,30 ,0.576967,17.10491,3.455768,3.936855
sgpcmbeC1.c1,2002,0416:30:00,30 ,0.403534,15.91714, 3.87821,4.221934
sgpcmbeC1.c1,2002,0417:30:00,30 ,0.307815,7.235456,2.389352, 1.74582
sgpcmbeC1.c1,2002,0418:30:00,30 ,0.423656,12.82125, 3.52962,3.273905
sgpcmbeC1.c1,2002,0419:30:00,30 ,0.285469,28.31429,3.333218,5.356862
sgpcmbeC1.c1,2002,0420:30:00,30 ,0.322451,29.45175,3.735505,6.000385
sgpcmbeC1.c1,2002,0421:30:00,30 ,0.301318,22.64754,2.957889,4.204607
sgpcmbeC1.c1,2002,0422:30:00,30 ,0.190095,8.896581,2.384424,2.287714
sgpcmbeC1.c1,2002,0423:30:00,30 ,0.320791,12.76196,2.746336,3.033817