datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,05 0:30:00,25 ,       0, 86.9839,11.00734,21.12767
sgpcmbeC1.c1,1998,05 1:30:00,25 ,       0,180.4349,14.32902,37.14036
sgpcmbeC1.c1,1998,05 2:30:00,26 ,       0,432.9468,30.31789,91.85591
sgpcmbeC1.c1,1998,05 3:30:00,25 ,       0,165.8196,15.25698,36.68666
sgpcmbeC1.c1,1998,05 4:30:00,24 ,       0,205.6004,12.88462,41.65575
sgpcmbeC1.c1,1998,05 5:30:00,24 ,       0,402.5828,23.29248,81.51459
sgpcmbeC1.c1,1998,05 6:30:00,24 ,       0,220.3351,16.18055,47.83968
sgpcmbeC1.c1,1998,05 7:30:00,25 ,       0,365.2562, 24.3558, 75.3944
sgpcmbeC1.c1,1998,05 8:30:00,24 ,       0,753.6196,36.83203,153.1773
sgpcmbeC1.c1,1998,05 9:30:00,27 ,       0,91.55525,11.67295,22.24192
sgpcmbeC1.c1,1998,0510:30:00,27 ,       0,49.69971,9.128173,13.01755
sgpcmbeC1.c1,1998,0511:30:00,27 ,       0,186.5803,17.22252,37.26369
sgpcmbeC1.c1,1998,0512:30:00,27 ,       0, 68.1037,11.41652,15.47613
sgpcmbeC1.c1,1998,0513:30:00,27 ,       0,70.28712,12.90627,18.20386
sgpcmbeC1.c1,1998,0514:30:00,26 ,       0, 43.2599,11.41968,12.27491
sgpcmbeC1.c1,1998,0515:30:00,25 ,       0,104.5321,12.01576,21.56976
sgpcmbeC1.c1,1998,0516:30:00,26 ,       0,353.6339,31.76798,85.73525
sgpcmbeC1.c1,1998,0517:30:00,26 ,       0,453.0916, 27.4961,87.81947
sgpcmbeC1.c1,1998,0518:30:00,25 ,       0,330.1155,23.17746,65.38882
sgpcmbeC1.c1,1998,0519:30:00,26 ,       0,246.7736,25.27474, 55.1778
sgpcmbeC1.c1,1998,0520:30:00,26 ,       0,153.7817,17.56561,38.00872
sgpcmbeC1.c1,1998,0521:30:00,25 ,       0,245.5293,16.52537,48.21809
sgpcmbeC1.c1,1998,0522:30:00,25 ,       0,92.87424,10.59511,18.88334
sgpcmbeC1.c1,1998,0523:30:00,25 ,       0,55.94395,7.556174,11.82809