datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,05 0:30:00,29 ,       0,171.5132,20.69597,37.59039
sgpcmbeC1.c1,1997,05 1:30:00,29 ,       0,403.5627,46.41296,108.4574
sgpcmbeC1.c1,1997,05 2:30:00,31 ,       0,947.4116,112.5917,236.0399
sgpcmbeC1.c1,1997,05 3:30:00,30 ,       0,695.1645,66.84788,137.5146
sgpcmbeC1.c1,1997,05 4:30:00,30 ,       0,550.9978,59.75125,113.9194
sgpcmbeC1.c1,1997,05 5:30:00,30 ,       0,640.9673,80.88352,165.6909
sgpcmbeC1.c1,1997,05 6:30:00,31 ,       0,691.0872,52.94941,130.8037
sgpcmbeC1.c1,1997,05 7:30:00,31 ,       0,732.3605,50.85828,142.3908
sgpcmbeC1.c1,1997,05 8:30:00,31 ,       0,244.2617,32.00209,57.99224
sgpcmbeC1.c1,1997,05 9:30:00,30 ,       0,94.75761,18.80924,30.26005
sgpcmbeC1.c1,1997,0510:30:00,29 ,       0,111.2691,16.65064,30.51631
sgpcmbeC1.c1,1997,0511:30:00,30 ,       0,121.9587,21.75231,36.45887
sgpcmbeC1.c1,1997,0512:30:00,29 ,       0,166.7739,19.21917,39.96846
sgpcmbeC1.c1,1997,0513:30:00,28 ,       0,91.31052,15.59789,23.82211
sgpcmbeC1.c1,1997,0514:30:00,28 ,       0,112.5904,20.70387,27.45789
sgpcmbeC1.c1,1997,0515:30:00,28 ,       0,60.57148,11.96263,17.52381
sgpcmbeC1.c1,1997,0516:30:00,28 ,       0, 113.943,11.69577,22.87865
sgpcmbeC1.c1,1997,0517:30:00,28 ,       0,156.1556, 18.1114,32.32264
sgpcmbeC1.c1,1997,0518:30:00,31 ,       0, 155.192,16.48964,34.59478
sgpcmbeC1.c1,1997,0519:30:00,31 ,       0,533.1854,35.88931,99.09716
sgpcmbeC1.c1,1997,0520:30:00,29 ,       0,202.9502,14.95963,39.17106
sgpcmbeC1.c1,1997,0521:30:00,29 ,       0,370.2791,27.63944,75.83224
sgpcmbeC1.c1,1997,0522:30:00,30 ,       0,645.1866,53.22353,144.4743
sgpcmbeC1.c1,1997,0523:30:00,30 ,       0, 759.356,42.88014,140.4925