datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,07 0:30:00,24 ,       0,349.3514,37.68603,81.54659
sgpcmbeC1.c1,1998,07 1:30:00,24 ,       0,253.2958, 39.8383,64.44793
sgpcmbeC1.c1,1998,07 2:30:00,23 ,       0,220.4608,31.22799,61.36319
sgpcmbeC1.c1,1998,07 3:30:00,23 ,       0,  364.62,50.41154,97.28419
sgpcmbeC1.c1,1998,07 4:30:00,24 ,       0,340.9226,71.00193,113.8334
sgpcmbeC1.c1,1998,07 5:30:00,22 ,       0,407.3391,70.10779,113.2098
sgpcmbeC1.c1,1998,07 6:30:00,22 ,       0,751.7986,75.87715, 166.102
sgpcmbeC1.c1,1998,07 7:30:00,21 ,       0,351.0592,41.98959,85.39282
sgpcmbeC1.c1,1998,07 8:30:00,25 ,       0,406.7763,53.25768,107.8996
sgpcmbeC1.c1,1998,07 9:30:00,26 ,       0,531.6611,59.25628,132.3052
sgpcmbeC1.c1,1998,0710:30:00,26 ,       0,509.0089,35.31009,101.1617
sgpcmbeC1.c1,1998,0711:30:00,26 ,       0,228.7104,21.07219,46.83181
sgpcmbeC1.c1,1998,0712:30:00,27 ,       0,48.62293,8.601613,10.37641
sgpcmbeC1.c1,1998,0713:30:00,27 ,       0,47.87457,9.382134,12.36684
sgpcmbeC1.c1,1998,0714:30:00,27 ,       0,50.25933,10.55331,12.54465
sgpcmbeC1.c1,1998,0715:30:00,27 ,       0,58.16558, 11.3964, 16.0124
sgpcmbeC1.c1,1998,0716:30:00,27 ,       0, 112.105,12.37331,22.26693
sgpcmbeC1.c1,1998,0717:30:00,26 ,       0,43.51305,13.06248,13.94302
sgpcmbeC1.c1,1998,0718:30:00,26 ,       0,32.93524,7.863441,9.051932
sgpcmbeC1.c1,1998,0719:30:00,26 ,       0, 21.1907,6.786648,6.833568
sgpcmbeC1.c1,1998,0720:30:00,26 ,       0,41.19761,7.288786,9.575079
sgpcmbeC1.c1,1998,0721:30:00,26 ,       0,126.4574,12.36614,24.72897
sgpcmbeC1.c1,1998,0722:30:00,25 ,       0,336.5933,20.89086,66.29494
sgpcmbeC1.c1,1998,0723:30:00,25 ,       0,61.60055,15.87933,19.03416