datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,07 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,07 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,07 2:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,07 3:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,07 4:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,07 5:30:00,31 ,0.150471,7.673948,2.783931,1.821058
sgpcmbeC1.c1,2001,07 6:30:00,31 ,7.820649,46.17454,32.48591,11.99962
sgpcmbeC1.c1,2001,07 7:30:00,31 ,16.04954,92.22218,75.70323, 19.8407
sgpcmbeC1.c1,2001,07 8:30:00,31 , 29.5808,134.9509,108.5361,32.66403
sgpcmbeC1.c1,2001,07 9:30:00,31 ,25.26432,167.3213,139.8819,34.13915
sgpcmbeC1.c1,2001,0710:30:00,31 ,100.4889,189.7836, 168.536,19.47731
sgpcmbeC1.c1,2001,0711:30:00,31 ,149.4816,199.5123,182.3131,13.97871
sgpcmbeC1.c1,2001,0712:30:00,30 ,52.34884,201.7172,172.7836,31.36708
sgpcmbeC1.c1,2001,0713:30:00,31 ,70.85051,202.9074,166.7903,30.03601
sgpcmbeC1.c1,2001,0714:30:00,31 ,42.31817,193.2815, 153.335, 38.4775
sgpcmbeC1.c1,2001,0715:30:00,31 ,28.43582,162.9511,133.5296,34.13883
sgpcmbeC1.c1,2001,0716:30:00,31 ,59.02362,133.4838,114.4523,21.59132
sgpcmbeC1.c1,2001,0717:30:00,31 ,30.74534,95.57212,83.94583,15.26654
sgpcmbeC1.c1,2001,0718:30:00,31 , 3.76208,53.16694,42.70674,10.48516
sgpcmbeC1.c1,2001,0719:30:00,31 ,       0,10.92242,6.472657,2.605733
sgpcmbeC1.c1,2001,0720:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0721:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0722:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0723:30:00,27 ,       0,       0,       0,       0