datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,04 0:30:00,30 ,0.332804,16.04592,2.914453,3.630967
sgpcmbeC1.c1,2001,04 1:30:00,30 ,0.419293, 15.7903,3.335878, 4.21152
sgpcmbeC1.c1,2001,04 2:30:00,30 ,0.348349,12.88797,3.447954,3.672026
sgpcmbeC1.c1,2001,04 3:30:00,30 ,0.284701,13.69512,3.764445,4.212965
sgpcmbeC1.c1,2001,04 4:30:00,30 ,0.257671,19.76361,5.356955,6.253614
sgpcmbeC1.c1,2001,04 5:30:00,30 ,0.372682,18.46352,3.659472,3.925462
sgpcmbeC1.c1,2001,04 6:30:00,30 ,0.412919,37.22659,5.859825,8.542101
sgpcmbeC1.c1,2001,04 7:30:00,30 ,0.310214,31.05182,4.603548,6.144972
sgpcmbeC1.c1,2001,04 8:30:00,30 ,0.505291,26.69842,4.873098,6.001609
sgpcmbeC1.c1,2001,04 9:30:00,30 ,0.632119,17.13857,4.625925,4.404671
sgpcmbeC1.c1,2001,0410:30:00,30 ,0.825182,11.54151, 3.66419,  2.9623
sgpcmbeC1.c1,2001,0411:30:00,30 ,0.627048,12.21914,3.411061,2.689034
sgpcmbeC1.c1,2001,0412:30:00,30 ,0.725346,16.23399,4.778186,4.241068
sgpcmbeC1.c1,2001,0413:30:00,30 ,0.966998,23.20143,5.776464,5.099378
sgpcmbeC1.c1,2001,0414:30:00,30 ,0.660304,26.26852,6.668722,6.753317
sgpcmbeC1.c1,2001,0415:30:00,30 ,0.604683,18.65889,4.950538,4.521577
sgpcmbeC1.c1,2001,0416:30:00,30 ,0.603054, 22.3982,4.463006,4.897921
sgpcmbeC1.c1,2001,0417:30:00,30 ,0.611878,17.48321,4.937575,5.132657
sgpcmbeC1.c1,2001,0418:30:00,30 ,0.612073,18.25205,4.826533,5.206262
sgpcmbeC1.c1,2001,0419:30:00,30 , 0.47638,13.46593,  3.3967,3.447767
sgpcmbeC1.c1,2001,0420:30:00,30 ,0.384846,18.96338,3.205473,4.138239
sgpcmbeC1.c1,2001,0421:30:00,30 , 0.34934,18.24616,3.953949,  4.9986
sgpcmbeC1.c1,2001,0422:30:00,30 , 0.40401,27.81462,4.026947,6.553348
sgpcmbeC1.c1,2001,0423:30:00,30 ,0.338783,29.05272,3.730057,6.008846