datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,05 0:30:00,25 ,0.133738,140.0821,20.41744,33.75344
sgpcmbeC1.c1,2007,05 1:30:00,26 ,0.251494,117.8042,20.97223,26.75598
sgpcmbeC1.c1,2007,05 2:30:00,26 ,0.041737,385.9788,59.45694,101.0763
sgpcmbeC1.c1,2007,05 3:30:00,26 ,0.050222,156.9043,38.32026,43.03737
sgpcmbeC1.c1,2007,05 4:30:00,25 ,0.147047,412.4612,58.04391,103.3907
sgpcmbeC1.c1,2007,05 5:30:00,25 ,       0,248.0547,58.97789, 71.3221
sgpcmbeC1.c1,2007,05 6:30:00,22 ,       0,203.4369,44.09433, 61.0811
sgpcmbeC1.c1,2007,05 7:30:00,26 ,0.121138,193.4865,48.25893,54.51078
sgpcmbeC1.c1,2007,05 8:30:00,25 ,0.258611,224.3078,58.36173,62.40029
sgpcmbeC1.c1,2007,05 9:30:00,28 , 0.38794, 343.998,88.77958,  101.36
sgpcmbeC1.c1,2007,0510:30:00,28 ,0.206017,234.4624,63.95618,68.00462
sgpcmbeC1.c1,2007,0511:30:00,27 ,0.601002,262.8039, 52.0906,71.48559
sgpcmbeC1.c1,2007,0512:30:00,28 ,0.159929,399.6556,74.75066, 110.042
sgpcmbeC1.c1,2007,0513:30:00,26 ,0.410984,370.7674,52.25653,89.53971
sgpcmbeC1.c1,2007,0514:30:00,28 ,0.126912,292.8876,67.69905,94.27507
sgpcmbeC1.c1,2007,0515:30:00,28 ,0.130281,260.8121,43.11811,65.00619
sgpcmbeC1.c1,2007,0516:30:00,27 ,1.282439,358.7361,45.09044,75.59232
sgpcmbeC1.c1,2007,0517:30:00,27 ,1.034553,369.7867,51.39295,81.71102
sgpcmbeC1.c1,2007,0518:30:00,28 ,1.207987,294.9008,31.45206,58.88631
sgpcmbeC1.c1,2007,0519:30:00,28 ,1.244665, 357.412,44.77049,93.27862
sgpcmbeC1.c1,2007,0520:30:00,28 ,1.158487,259.4345, 23.6195,53.15629
sgpcmbeC1.c1,2007,0521:30:00,28 ,0.692881,107.5191,21.41751,31.05016
sgpcmbeC1.c1,2007,0522:30:00,28 ,0.410795,201.2093,27.60646,52.06388
sgpcmbeC1.c1,2007,0523:30:00,26 ,0.632755, 127.091,23.88756, 37.0629