datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,06 0:30:00,27 ,       0,802.0817,  71.682,202.3962
sgpcmbeC1.c1,2004,06 1:30:00,27 ,       0,730.2536,  91.175,212.7822
sgpcmbeC1.c1,2004,06 2:30:00,28 ,       0,1143.869,144.6535,302.1417
sgpcmbeC1.c1,2004,06 3:30:00,25 ,       0,1428.226,91.23319,287.3537
sgpcmbeC1.c1,2004,06 4:30:00,24 ,       0,1298.908,84.79082,271.3399
sgpcmbeC1.c1,2004,06 5:30:00,24 ,       0,872.6644,161.2762,278.3494
sgpcmbeC1.c1,2004,06 6:30:00,28 ,       0,997.7631, 118.989, 221.011
sgpcmbeC1.c1,2004,06 7:30:00,26 ,       0,670.4096,90.03699, 172.638
sgpcmbeC1.c1,2004,06 8:30:00,27 ,       0,592.7048,85.08916, 164.854
sgpcmbeC1.c1,2004,06 9:30:00,27 ,       0,956.3141,79.96928, 197.381
sgpcmbeC1.c1,2004,0610:30:00,27 ,       0, 930.863,93.80652,221.3883
sgpcmbeC1.c1,2004,0611:30:00,29 ,       0,1171.236,121.9963,256.6803
sgpcmbeC1.c1,2004,0612:30:00,29 ,       0,935.8058,123.9465, 254.822
sgpcmbeC1.c1,2004,0613:30:00,30 ,       0,775.1937,101.2277,205.5885
sgpcmbeC1.c1,2004,0614:30:00,30 ,       0,702.4468,60.73902,145.5922
sgpcmbeC1.c1,2004,0615:30:00,29 ,       0,  312.51,38.78463,78.28995
sgpcmbeC1.c1,2004,0616:30:00,29 ,       0,528.4584,31.30636,96.81745
sgpcmbeC1.c1,2004,0617:30:00,29 ,       0,121.3877,14.94412,26.18544
sgpcmbeC1.c1,2004,0618:30:00,29 ,       0,118.5034,13.75574,24.78237
sgpcmbeC1.c1,2004,0619:30:00,29 ,       0,287.0872,22.69152,55.35308
sgpcmbeC1.c1,2004,0620:30:00,30 ,       0,989.4662,71.41009,201.6706
sgpcmbeC1.c1,2004,0621:30:00,29 ,       0,590.3689,52.81722,124.1318
sgpcmbeC1.c1,2004,0622:30:00,29 ,       0,437.8154,53.14021,115.6996
sgpcmbeC1.c1,2004,0623:30:00,28 ,       0,418.9863,39.18969,94.80943