datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,06 0:30:00,30 ,0.356738,19.08099,5.649662,5.375989
sgpcmbeC1.c1,1999,06 1:30:00,30 ,0.435176,  11.032,3.483454,2.950801
sgpcmbeC1.c1,1999,06 2:30:00,30 ,0.564017,12.65353,3.345024, 3.04799
sgpcmbeC1.c1,1999,06 3:30:00,30 ,0.653594,21.44088,4.830271,4.826611
sgpcmbeC1.c1,1999,06 4:30:00,30 ,0.467632,13.29167,3.417698,3.076421
sgpcmbeC1.c1,1999,06 5:30:00,30 ,0.664315,23.12505,5.552165,5.725091
sgpcmbeC1.c1,1999,06 6:30:00,30 ,0.459638,15.36535,4.258457,  4.3743
sgpcmbeC1.c1,1999,06 7:30:00,30 ,0.416735,22.13561,4.932601, 4.87758
sgpcmbeC1.c1,1999,06 8:30:00,30 ,0.584298,22.92024,6.364959,5.992532
sgpcmbeC1.c1,1999,06 9:30:00,30 , 0.65673,16.77732,5.591582,3.729053
sgpcmbeC1.c1,1999,0610:30:00,30 ,1.391232,14.70149,5.027009,3.174721
sgpcmbeC1.c1,1999,0611:30:00,30 ,1.204788,18.16109,5.521817, 4.67531
sgpcmbeC1.c1,1999,0612:30:00,30 ,0.829013,15.79867,5.433209,3.877465
sgpcmbeC1.c1,1999,0613:30:00,30 ,1.225899,14.58763,5.134727,3.340653
sgpcmbeC1.c1,1999,0614:30:00,30 , 1.31935,16.11858, 5.38736, 3.69607
sgpcmbeC1.c1,1999,0615:30:00,30 ,0.915114,14.99284,5.016168,3.733653
sgpcmbeC1.c1,1999,0616:30:00,30 ,0.936932, 14.0386,  5.5136,3.404588
sgpcmbeC1.c1,1999,0617:30:00,30 ,1.010802,14.15738,4.333703,3.372159
sgpcmbeC1.c1,1999,0618:30:00,30 ,0.683723,13.50659,4.146576, 3.46955
sgpcmbeC1.c1,1999,0619:30:00,30 , 0.96255,11.65717,3.552258,2.601245
sgpcmbeC1.c1,1999,0620:30:00,30 ,0.380929,10.19409,3.156108,2.288871
sgpcmbeC1.c1,1999,0621:30:00,30 ,0.565781,12.79688,4.412395,3.693308
sgpcmbeC1.c1,1999,0622:30:00,30 ,0.717827,18.95639,4.839048,4.580223
sgpcmbeC1.c1,1999,0623:30:00,30 ,0.629805,21.74879,4.482129,4.691801