datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,02 0:30:00,26 ,0.366427, 2.30907,1.197835,0.631531
sgpcmbeC1.c1,1999,02 1:30:00,25 ,0.227628,5.996171,1.495334, 1.39324
sgpcmbeC1.c1,1999,02 2:30:00,23 ,0.369684,4.742611,1.792126,1.500854
sgpcmbeC1.c1,1999,02 3:30:00,25 ,0.159397,3.294223,1.399653,0.752148
sgpcmbeC1.c1,1999,02 4:30:00,25 ,0.200149,5.582961,1.451181,1.239033
sgpcmbeC1.c1,1999,02 5:30:00,26 ,0.165156,6.457624,1.669752,1.513408
sgpcmbeC1.c1,1999,02 6:30:00,26 ,0.216326, 3.38586,1.455185,0.878288
sgpcmbeC1.c1,1999,02 7:30:00,26 ,0.500109,6.907422,2.332806,1.693522
sgpcmbeC1.c1,1999,02 8:30:00,26 , 0.82081,10.43244, 4.30868,2.668308
sgpcmbeC1.c1,1999,02 9:30:00,26 ,0.681835,10.19629,  4.9462,2.921849
sgpcmbeC1.c1,1999,0210:30:00,26 ,1.450276,9.196692,5.162025,1.827485
sgpcmbeC1.c1,1999,0211:30:00,26 ,2.396863,10.41287, 5.11981,1.932241
sgpcmbeC1.c1,1999,0212:30:00,26 ,1.227064,9.501688,4.799994,2.385639
sgpcmbeC1.c1,1999,0213:30:00,26 ,1.275511,9.753196, 3.95777,2.230728
sgpcmbeC1.c1,1999,0214:30:00,26 ,1.028703,9.374845, 3.60911,2.124541
sgpcmbeC1.c1,1999,0215:30:00,26 ,0.678609,10.64394,4.109638, 2.38479
sgpcmbeC1.c1,1999,0216:30:00,26 ,0.490914,9.731667,4.277465,1.929301
sgpcmbeC1.c1,1999,0217:30:00,26 ,0.740322,12.94342, 6.28802, 3.31978
sgpcmbeC1.c1,1999,0218:30:00,26 ,0.414045,9.485227,4.164857,2.470416
sgpcmbeC1.c1,1999,0219:30:00,26 ,0.710619,6.114267,2.353701,1.363332
sgpcmbeC1.c1,1999,0220:30:00,26 ,0.580061,5.640186,2.179786,1.361099
sgpcmbeC1.c1,1999,0221:30:00,26 ,0.703205,6.280186,2.165156,1.347312
sgpcmbeC1.c1,1999,0222:30:00,26 , 0.50239,4.070562,1.934881,1.115749
sgpcmbeC1.c1,1999,0223:30:00,26 ,0.460018, 7.98711,1.622701,1.402671