datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,07 0:30:00,28 ,       0, 201.322,13.05184,40.73319
sgpcmbeC1.c1,2006,07 1:30:00,28 ,       0,88.57638,11.33357,24.33307
sgpcmbeC1.c1,2006,07 2:30:00,27 ,       0,63.54947,6.174477,13.57043
sgpcmbeC1.c1,2006,07 3:30:00,27 ,       0,466.3248,25.65411,90.13408
sgpcmbeC1.c1,2006,07 4:30:00,28 ,       0,541.8013,29.88249,103.1483
sgpcmbeC1.c1,2006,07 5:30:00,28 ,       0,186.0426,13.68726,37.74266
sgpcmbeC1.c1,2006,07 6:30:00,28 ,       0,419.4879,22.64262,80.89541
sgpcmbeC1.c1,2006,07 7:30:00,29 ,       0,397.1338,24.87908,79.50815
sgpcmbeC1.c1,2006,07 8:30:00,30 ,       0,152.0053,14.21787,36.60752
sgpcmbeC1.c1,2006,07 9:30:00,29 ,       0, 483.182,38.19114,107.5013
sgpcmbeC1.c1,2006,0710:30:00,30 ,       0,1158.118,66.76762,221.8743
sgpcmbeC1.c1,2006,0711:30:00,30 ,       0,770.7789, 52.0435,166.0226
sgpcmbeC1.c1,2006,0712:30:00,30 ,       0,678.3643,33.96193,125.9876
sgpcmbeC1.c1,2006,0713:30:00,29 ,       0,921.8965,51.35507,173.8734
sgpcmbeC1.c1,2006,0714:30:00,28 ,       0,175.4763,22.61394,47.66702
sgpcmbeC1.c1,2006,0715:30:00,25 ,       0,96.40099,11.36366,24.76352
sgpcmbeC1.c1,2006,0716:30:00,27 ,       0,51.38374,  7.8173,14.14557
sgpcmbeC1.c1,2006,0717:30:00,28 ,       0, 93.7066,7.422089,20.34081
sgpcmbeC1.c1,2006,0718:30:00,28 ,       0,157.5363,12.13684,34.98371
sgpcmbeC1.c1,2006,0719:30:00,27 ,       0,57.88856,5.181699,12.04102
sgpcmbeC1.c1,2006,0720:30:00,28 ,       0,115.8946,13.05648,31.30589
sgpcmbeC1.c1,2006,0721:30:00,27 ,       0,366.9547, 19.8327,70.96816
sgpcmbeC1.c1,2006,0722:30:00,27 ,       0,91.95209,8.322687,19.69127
sgpcmbeC1.c1,2006,0723:30:00,28 ,       0,130.2304,11.70905,32.19809