datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,03 0:30:00,28 , 0.52786,2.770159,1.346909,0.666008
sgpcmbeC1.c1,2003,03 1:30:00,28 ,0.434366,2.485521,1.310814, 0.60574
sgpcmbeC1.c1,2003,03 2:30:00,28 ,0.383414,2.480008,1.287709,0.594334
sgpcmbeC1.c1,2003,03 3:30:00,28 ,0.315739,2.602677,1.264144,0.586492
sgpcmbeC1.c1,2003,03 4:30:00,28 ,0.299259,2.653559,1.246068,0.584217
sgpcmbeC1.c1,2003,03 5:30:00,28 ,0.298824,2.752656,1.258363,0.591521
sgpcmbeC1.c1,2003,03 6:30:00,28 ,0.304654,2.851465,1.306687,0.644853
sgpcmbeC1.c1,2003,03 7:30:00,27 ,0.299922,2.700863,1.247578,0.600582
sgpcmbeC1.c1,2003,03 8:30:00,28 ,0.295006,3.262018,1.307339,0.697857
sgpcmbeC1.c1,2003,03 9:30:00,29 ,0.319318,3.636648,1.387523,0.765373
sgpcmbeC1.c1,2003,0310:30:00,29 , 0.33817,2.846926,1.365183,0.681782
sgpcmbeC1.c1,2003,0311:30:00,29 ,0.379125, 2.99068,1.362469,0.668427
sgpcmbeC1.c1,2003,0312:30:00,28 ,0.422873,2.811419,1.331659,0.631993
sgpcmbeC1.c1,2003,0313:30:00,28 ,0.421209,3.035102,1.338233,0.646939
sgpcmbeC1.c1,2003,0314:30:00,28 ,0.380121, 3.10605,1.330842,0.648534
sgpcmbeC1.c1,2003,0315:30:00,28 ,0.394874,2.911378,1.315898,0.622563
sgpcmbeC1.c1,2003,0316:30:00,28 ,0.356059,2.775592,1.322475,0.622415
sgpcmbeC1.c1,2003,0317:30:00,29 ,0.358562,3.431077,1.380532,0.709962
sgpcmbeC1.c1,2003,0318:30:00,29 ,0.397374, 3.41644,1.407257,0.708671
sgpcmbeC1.c1,2003,0319:30:00,28 ,0.425876,3.123731,1.358032,0.640399
sgpcmbeC1.c1,2003,0320:30:00,28 ,0.458712,3.513849,1.415496,0.767577
sgpcmbeC1.c1,2003,0321:30:00,27 ,0.461311, 3.12365,1.322127,0.613958
sgpcmbeC1.c1,2003,0322:30:00,28 ,0.486312,3.389937,1.386902,0.707872
sgpcmbeC1.c1,2003,0323:30:00,28 ,0.516472,  3.0972,1.366495,0.706833