datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,06 0:30:00,25 ,0.023171,259.8548,41.09052,67.62909
sgpcmbeC1.c1,1999,06 1:30:00,25 ,       0,240.0303,36.93448,60.45297
sgpcmbeC1.c1,1999,06 2:30:00,25 ,       0,217.6368,39.94514,67.19501
sgpcmbeC1.c1,1999,06 3:30:00,25 ,       0,277.4579,59.10451,86.82264
sgpcmbeC1.c1,1999,06 4:30:00,24 ,       0,213.0405,50.34608,68.01889
sgpcmbeC1.c1,1999,06 5:30:00,25 ,       0,191.8463,35.47744,49.88266
sgpcmbeC1.c1,1999,06 6:30:00,26 ,       0,747.7422,82.52625,168.2966
sgpcmbeC1.c1,1999,06 7:30:00,25 ,       0,880.5198,73.68133, 179.245
sgpcmbeC1.c1,1999,06 8:30:00,25 ,       0,485.9302,42.89366,98.44213
sgpcmbeC1.c1,1999,06 9:30:00,26 ,       0,277.0982,37.72818,72.21897
sgpcmbeC1.c1,1999,0610:30:00,25 ,       0,377.1916,37.48052,82.41978
sgpcmbeC1.c1,1999,0611:30:00,25 ,       0,631.8202,47.16656,126.8006
sgpcmbeC1.c1,1999,0612:30:00,25 ,       0,756.8561,72.07773,183.3028
sgpcmbeC1.c1,1999,0613:30:00,25 ,       0,543.5332,  55.214,126.8357
sgpcmbeC1.c1,1999,0614:30:00,26 ,       0,433.7468,64.98628,118.9679
sgpcmbeC1.c1,1999,0615:30:00,25 ,       0,533.5005,69.31412,138.0523
sgpcmbeC1.c1,1999,0616:30:00,24 ,       0,160.8742,24.30424,40.43294
sgpcmbeC1.c1,1999,0617:30:00,25 ,0.003124,202.6512,35.13619,55.35909
sgpcmbeC1.c1,1999,0618:30:00,26 ,0.035261,327.0728,52.66749,85.99787
sgpcmbeC1.c1,1999,0619:30:00,26 ,       0,464.6217,54.61089,105.4586
sgpcmbeC1.c1,1999,0620:30:00,25 ,       0,291.3831,43.99974, 82.1078
sgpcmbeC1.c1,1999,0621:30:00,24 ,       0,115.0591,27.99365,37.04956
sgpcmbeC1.c1,1999,0622:30:00,25 ,0.000779,134.9814,27.41348,37.22393
sgpcmbeC1.c1,1999,0623:30:00,25 ,       0,148.8975,31.84104,41.22734