datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,05 0:30:00,28 ,       0,164.5793,21.33093,38.87625
sgpcmbeC1.c1,1999,05 1:30:00,27 ,0.083075,100.5136,12.86815,24.56459
sgpcmbeC1.c1,1999,05 2:30:00,27 ,       0,308.1138,37.77675,73.33418
sgpcmbeC1.c1,1999,05 3:30:00,26 ,       0,240.6951,37.52392,68.86101
sgpcmbeC1.c1,1999,05 4:30:00,24 ,       0, 128.378,20.71302,37.31514
sgpcmbeC1.c1,1999,05 5:30:00,24 ,       0,402.6482,31.99577,85.84093
sgpcmbeC1.c1,1999,05 6:30:00,24 ,       0,397.5219,39.37717,84.68193
sgpcmbeC1.c1,1999,05 7:30:00,27 ,       0,143.0892,25.68132,43.60201
sgpcmbeC1.c1,1999,05 8:30:00,27 ,       0,225.5465,31.14414,57.16269
sgpcmbeC1.c1,1999,05 9:30:00,26 ,       0,96.00918,17.56201,26.06623
sgpcmbeC1.c1,1999,0510:30:00,25 ,       0,68.22094,12.28609,19.64307
sgpcmbeC1.c1,1999,0511:30:00,25 ,       0,171.0034,21.12396,39.21585
sgpcmbeC1.c1,1999,0512:30:00,25 ,       0,99.18291,17.13004,26.98836
sgpcmbeC1.c1,1999,0513:30:00,26 ,       0,202.8745,  20.802,42.67497
sgpcmbeC1.c1,1999,0514:30:00,26 ,       0,77.86713, 15.0658,  18.824
sgpcmbeC1.c1,1999,0515:30:00,27 ,       0,240.4647,28.10133,51.59374
sgpcmbeC1.c1,1999,0516:30:00,27 ,       0,212.1992, 30.5772,54.66927
sgpcmbeC1.c1,1999,0517:30:00,27 ,       0,184.4754,22.42201, 45.2134
sgpcmbeC1.c1,1999,0518:30:00,29 ,0.139517,184.8918,14.29014,35.70448
sgpcmbeC1.c1,1999,0519:30:00,29 ,0.522964,166.0988,22.14218,40.38492
sgpcmbeC1.c1,1999,0520:30:00,29 ,0.323172,220.8246,23.07116,53.96217
sgpcmbeC1.c1,1999,0521:30:00,29 ,0.038977,212.0428,20.59424,51.46259
sgpcmbeC1.c1,1999,0522:30:00,27 ,       0,306.3407, 23.6788,66.62778
sgpcmbeC1.c1,1999,0523:30:00,27 ,       0,148.5445,15.25243,35.41508