datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,07 0:30:00,26 ,       0,84.41432,4.239613,16.40392
sgpcmbeC1.c1,2005,07 1:30:00,26 ,       0,29.11783,2.301209,5.679476
sgpcmbeC1.c1,2005,07 2:30:00,27 ,       0,59.13066,3.508078,11.38703
sgpcmbeC1.c1,2005,07 3:30:00,25 ,       0,55.40476,4.844865,11.83831
sgpcmbeC1.c1,2005,07 4:30:00,27 ,       0,115.3447,8.222308,23.16681
sgpcmbeC1.c1,2005,07 5:30:00,24 ,       0,28.44657,4.754528,7.602784
sgpcmbeC1.c1,2005,07 6:30:00,24 ,       0,46.20766,6.913139,13.25809
sgpcmbeC1.c1,2005,07 7:30:00,25 ,       0,101.0133,8.476419, 21.9318
sgpcmbeC1.c1,2005,07 8:30:00,26 ,       0,130.8553,9.194919,26.31866
sgpcmbeC1.c1,2005,07 9:30:00,26 ,       0,61.54491,5.530781,13.02337
sgpcmbeC1.c1,2005,0710:30:00,26 ,       0,38.38345,5.300093,10.26401
sgpcmbeC1.c1,2005,0711:30:00,26 ,       0,121.6666,8.587557,23.58965
sgpcmbeC1.c1,2005,0712:30:00,25 ,       0,128.3889,14.19469,28.20692
sgpcmbeC1.c1,2005,0713:30:00,26 ,       0,136.9232,21.29471,38.48428
sgpcmbeC1.c1,2005,0714:30:00,25 ,       0,214.7471,22.04612,44.29959
sgpcmbeC1.c1,2005,0715:30:00,25 ,       0,221.3926,33.32018,55.49186
sgpcmbeC1.c1,2005,0716:30:00,24 ,       0,171.6834,20.62452,41.86852
sgpcmbeC1.c1,2005,0717:30:00,23 ,       0,198.4822,17.30491,47.81038
sgpcmbeC1.c1,2005,0718:30:00,24 ,       0,143.6047,8.681728,29.59357
sgpcmbeC1.c1,2005,0719:30:00,24 ,       0,93.84474,10.71054,25.32618
sgpcmbeC1.c1,2005,0720:30:00,25 ,       0,249.3228,16.87683,52.51137
sgpcmbeC1.c1,2005,0721:30:00,24 ,       0,267.5208,13.78339, 54.2184
sgpcmbeC1.c1,2005,0722:30:00,27 ,       0,214.5711,8.980713,41.12137
sgpcmbeC1.c1,2005,0723:30:00,26 ,       0,21.84984,2.259408,5.005066