datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,05 0:30:00,31 ,       0,0.082563,0.006786,0.021414
sgpcmbeC1.c1,1997,05 1:30:00,31 ,       0,0.471378,0.015206,0.084662
sgpcmbeC1.c1,1997,05 2:30:00,31 ,       0, 0.11597,0.003741,0.020829
sgpcmbeC1.c1,1997,05 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,05 4:30:00,31 ,       0,0.242402,0.007819,0.043537
sgpcmbeC1.c1,1997,05 5:30:00,31 ,       0,28.56487,10.72086, 8.17948
sgpcmbeC1.c1,1997,05 6:30:00,31 , 7.73259,180.2677,105.3995,54.33966
sgpcmbeC1.c1,1997,05 7:30:00,31 ,48.63188, 383.959,272.6144,106.8884
sgpcmbeC1.c1,1997,05 8:30:00,31 ,86.61888,584.2911,422.2635,158.3997
sgpcmbeC1.c1,1997,05 9:30:00,31 ,137.1764,766.0335,577.4305,201.7735
sgpcmbeC1.c1,1997,0510:30:00,30 ,301.5587,908.1976,731.3806,205.7782
sgpcmbeC1.c1,1997,0511:30:00,30 ,391.4131,1013.693,810.8377,208.7527
sgpcmbeC1.c1,1997,0512:30:00,30 ,300.2903,1028.606,842.9859,207.6406
sgpcmbeC1.c1,1997,0513:30:00,30 ,364.6328,989.3763,825.3296,169.2751
sgpcmbeC1.c1,1997,0514:30:00,30 ,245.4747,890.0982,705.5393,205.5684
sgpcmbeC1.c1,1997,0515:30:00,30 ,211.3948,749.6263,616.1985,140.4156
sgpcmbeC1.c1,1997,0516:30:00,30 ,143.9967,572.8885,447.3226,117.9269
sgpcmbeC1.c1,1997,0517:30:00,30 ,61.16093,366.6905,267.4568,85.73935
sgpcmbeC1.c1,1997,0518:30:00,30 ,16.05283,174.9888,104.5659,40.20247
sgpcmbeC1.c1,1997,0519:30:00,30 ,0.735876,23.02357,9.457142,6.364293
sgpcmbeC1.c1,1997,0520:30:00,30 ,       0,0.068815,0.002294,0.012564
sgpcmbeC1.c1,1997,0521:30:00,30 ,       0,0.312578,0.010419,0.057069
sgpcmbeC1.c1,1997,0522:30:00,30 ,       0,0.605579,0.020186,0.110563
sgpcmbeC1.c1,1997,0523:30:00,30 ,       0,0.079599, 0.00458,0.017663