datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,06 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,06 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,06 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,06 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,06 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,06 5:30:00,30 ,       0,30.82862,14.34849,9.060052
sgpcmbeC1.c1,1999,06 6:30:00,30 ,1.663501, 67.6254,36.88283,20.72192
sgpcmbeC1.c1,1999,06 7:30:00,30 , 2.46964, 154.622,63.13573,38.67569
sgpcmbeC1.c1,1999,06 8:30:00,30 ,14.09388,176.8548,83.22438, 44.8497
sgpcmbeC1.c1,1999,06 9:30:00,30 ,25.62044,256.7128,107.2739,55.98574
sgpcmbeC1.c1,1999,0610:30:00,30 ,2.175061, 253.314,124.1625,72.53516
sgpcmbeC1.c1,1999,0611:30:00,30 ,1.175792,306.3511,129.6494,95.36662
sgpcmbeC1.c1,1999,0612:30:00,30 , 1.88599,336.9635,149.1692,104.6449
sgpcmbeC1.c1,1999,0613:30:00,30 , 14.4807,341.9735,143.9545,103.9374
sgpcmbeC1.c1,1999,0614:30:00,30 ,9.842217,286.6092,137.6241,85.85062
sgpcmbeC1.c1,1999,0615:30:00,30 ,2.951443, 234.785,110.9419, 68.1378
sgpcmbeC1.c1,1999,0616:30:00,30 ,2.325771,194.1862,107.3512,48.56732
sgpcmbeC1.c1,1999,0617:30:00,30 ,2.085078,151.9463, 67.0721,33.57003
sgpcmbeC1.c1,1999,0618:30:00,30 ,       0,84.55874,41.73774,19.56812
sgpcmbeC1.c1,1999,0619:30:00,30 ,       0,39.76292,17.23571,10.23988
sgpcmbeC1.c1,1999,0620:30:00,30 ,       0, 4.33355,0.144452,0.791194
sgpcmbeC1.c1,1999,0621:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0622:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0623:30:00,30 ,       0,       0,       0,       0