datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,07 0:30:00,31 ,0.410603, 3.82992,1.222383,0.791688
sgpcmbeC1.c1,2007,07 1:30:00,31 ,0.390798,2.786974,1.196917,0.545422
sgpcmbeC1.c1,2007,07 2:30:00,31 ,0.268293, 2.09808,0.960043,0.404566
sgpcmbeC1.c1,2007,07 3:30:00,31 ,0.160696,4.443119,1.245692,0.980855
sgpcmbeC1.c1,2007,07 4:30:00,31 ,0.165474,3.856983,1.231471,0.741565
sgpcmbeC1.c1,2007,07 5:30:00,31 ,0.439426,3.058889,1.390685,0.790212
sgpcmbeC1.c1,2007,07 6:30:00,31 ,0.463088,6.923856,3.207459,1.688987
sgpcmbeC1.c1,2007,07 7:30:00,31 ,0.722143,7.933823,3.787343,2.097191
sgpcmbeC1.c1,2007,07 8:30:00,31 ,1.098286,13.67728,5.706753,2.611791
sgpcmbeC1.c1,2007,07 9:30:00,31 ,1.907487,10.55437,4.267799,1.548726
sgpcmbeC1.c1,2007,0710:30:00,31 ,1.226508,9.558685,4.376758,2.203824
sgpcmbeC1.c1,2007,0711:30:00,30 ,1.554239,9.540004, 4.72916,2.155527
sgpcmbeC1.c1,2007,0712:30:00,28 ,1.693402,12.35007,5.062347,2.538903
sgpcmbeC1.c1,2007,0713:30:00,28 ,1.398353,11.16652, 4.18038,2.308321
sgpcmbeC1.c1,2007,0714:30:00,27 ,1.146881,15.72701,4.975646,3.819042
sgpcmbeC1.c1,2007,0715:30:00,30 ,1.300869,13.46571,4.206905,3.333173
sgpcmbeC1.c1,2007,0716:30:00,29 ,1.222684,6.636132,3.191808,1.577878
sgpcmbeC1.c1,2007,0717:30:00,30 ,0.813289,12.83786,3.397458,2.213415
sgpcmbeC1.c1,2007,0718:30:00,30 ,1.891919,9.201662,4.071335,1.640414
sgpcmbeC1.c1,2007,0719:30:00,30 ,0.923568,7.336685,4.910627,1.564526
sgpcmbeC1.c1,2007,0720:30:00,30 ,0.360942,3.668874,2.080866,0.768993
sgpcmbeC1.c1,2007,0721:30:00,31 , 0.47873,2.904691,1.345223, 0.66751
sgpcmbeC1.c1,2007,0722:30:00,31 , 0.50646,3.085463, 1.40126,0.699757
sgpcmbeC1.c1,2007,0723:30:00,31 ,0.300782,4.230133,1.338995,0.791989