datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,05 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,05 1:30:00,31 ,       0,1.303968,0.042063,  0.2342
sgpcmbeC1.c1,2000,05 2:30:00,31 ,       0,1.912823, 0.10346,0.372888
sgpcmbeC1.c1,2000,05 3:30:00,31 ,       0,0.919963,0.029676, 0.16523
sgpcmbeC1.c1,2000,05 4:30:00,31 ,       0, 1.41698, 0.07774,0.305858
sgpcmbeC1.c1,2000,05 5:30:00,30 ,       0,25.62204, 11.3352,9.646323
sgpcmbeC1.c1,2000,05 6:30:00,23 ,       0,81.87665,43.35149,23.12509
sgpcmbeC1.c1,2000,05 7:30:00,22 ,11.74271,150.9456,58.12876,25.43754
sgpcmbeC1.c1,2000,05 8:30:00,21 ,21.24643,156.2808,64.26996,27.32217
sgpcmbeC1.c1,2000,05 9:30:00,21 , 26.8258,221.8747,69.85861,49.46428
sgpcmbeC1.c1,2000,0510:30:00,21 ,7.443037,182.9381,63.90692,46.97545
sgpcmbeC1.c1,2000,0511:30:00,22 ,14.56322,370.4284,102.5829,103.1278
sgpcmbeC1.c1,2000,0512:30:00,22 ,2.723228,314.6208,89.06033,111.5558
sgpcmbeC1.c1,2000,0513:30:00,22 ,15.42557,271.5475,100.0391,87.78619
sgpcmbeC1.c1,2000,0514:30:00,22 ,21.05079,207.6989,82.64404,60.90306
sgpcmbeC1.c1,2000,0515:30:00,22 ,43.89315,221.2556,84.09934,51.04199
sgpcmbeC1.c1,2000,0516:30:00,23 , 2.81149,160.3601,82.24885,44.61957
sgpcmbeC1.c1,2000,0517:30:00,23 ,10.65239,86.96365,59.14928,20.95969
sgpcmbeC1.c1,2000,0518:30:00,23 ,       0,61.88596,38.15317, 16.4567
sgpcmbeC1.c1,2000,0519:30:00,30 ,       0,24.69097,10.94209,7.860336
sgpcmbeC1.c1,2000,0520:30:00,30 ,       0,2.115457,0.137261,0.522575
sgpcmbeC1.c1,2000,0521:30:00,30 ,       0,2.002204,0.109307,0.426742
sgpcmbeC1.c1,2000,0522:30:00,30 ,       0,1.811171,0.114793,0.437487
sgpcmbeC1.c1,2000,0523:30:00,30 ,       0,1.262618,0.060337,0.248078