datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,10 0:30:00,24 ,       0,13.72773,1.434281,2.981586
sgpcmbeC1.c1,2001,10 1:30:00,24 ,       0,10.23079,1.258144,2.356834
sgpcmbeC1.c1,2001,10 2:30:00,24 ,       0,17.03918,2.096022,4.237679
sgpcmbeC1.c1,2001,10 3:30:00,23 ,       0,16.62145,1.751194,4.188813
sgpcmbeC1.c1,2001,10 4:30:00,23 ,       0,48.94422,4.456034,12.00595
sgpcmbeC1.c1,2001,10 5:30:00,23 ,       0,13.47901, 1.34814,3.151485
sgpcmbeC1.c1,2001,10 6:30:00,23 ,       0,17.65625,1.181088,3.710686
sgpcmbeC1.c1,2001,10 7:30:00,22 ,       0, 9.84576,0.946019, 2.46259
sgpcmbeC1.c1,2001,10 8:30:00,23 ,       0,16.45317,1.160125,3.449508
sgpcmbeC1.c1,2001,10 9:30:00,26 ,       0,124.3539,10.38614, 29.3684
sgpcmbeC1.c1,2001,1010:30:00,29 ,       0,163.0383,13.40084, 35.1877
sgpcmbeC1.c1,2001,1011:30:00,29 ,       0,137.2827,10.64255,29.06712
sgpcmbeC1.c1,2001,1012:30:00,29 ,       0,123.4069,11.61557,30.12313
sgpcmbeC1.c1,2001,1013:30:00,29 ,       0,223.7382,11.22701,41.34373
sgpcmbeC1.c1,2001,1014:30:00,29 ,       0, 488.188,20.19701,90.23584
sgpcmbeC1.c1,2001,1015:30:00,29 ,       0,258.3913,12.13567,47.72852
sgpcmbeC1.c1,2001,1016:30:00,29 ,       0,75.45701,7.201991,16.16254
sgpcmbeC1.c1,2001,1017:30:00,29 ,       0,63.56597,6.932132,13.62382
sgpcmbeC1.c1,2001,1018:30:00,29 ,       0,80.27328,8.598096,19.39467
sgpcmbeC1.c1,2001,1019:30:00,28 ,       0,15.65135,3.461278,4.437371
sgpcmbeC1.c1,2001,1020:30:00,27 ,       0,14.04092,3.092086,4.531051
sgpcmbeC1.c1,2001,1021:30:00,27 ,       0,100.2568,6.359555,19.20913
sgpcmbeC1.c1,2001,1022:30:00,24 ,       0,12.06371,1.734283,3.352398
sgpcmbeC1.c1,2001,1023:30:00,24 ,       0,10.96841, 1.31478, 2.77979